| #!/usr/bin/env bash |
| |
| # Copyright 2017 The Kubernetes Authors. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| # A library of helper functions and constant for the local config. |
| |
| # Use the config file specified in $KUBE_CONFIG_FILE, or default to |
| # config-default.sh. |
| readonly GCE_MAX_LOCAL_SSD=8 |
| |
| KUBE_ROOT=$(dirname "${BASH_SOURCE}")/../.. |
| source "${KUBE_ROOT}/cluster/gce/${KUBE_CONFIG_FILE-"config-default.sh"}" |
| source "${KUBE_ROOT}/cluster/common.sh" |
| source "${KUBE_ROOT}/hack/lib/util.sh" |
| |
| if [[ "${NODE_OS_DISTRIBUTION}" == "gci" || "${NODE_OS_DISTRIBUTION}" == "ubuntu" || "${NODE_OS_DISTRIBUTION}" == "custom" ]]; then |
| source "${KUBE_ROOT}/cluster/gce/${NODE_OS_DISTRIBUTION}/node-helper.sh" |
| else |
| echo "Cannot operate on cluster using node os distro: ${NODE_OS_DISTRIBUTION}" >&2 |
| exit 1 |
| fi |
| |
| if [[ "${MASTER_OS_DISTRIBUTION}" == "trusty" || "${MASTER_OS_DISTRIBUTION}" == "gci" || "${MASTER_OS_DISTRIBUTION}" == "ubuntu" ]]; then |
| source "${KUBE_ROOT}/cluster/gce/${MASTER_OS_DISTRIBUTION}/master-helper.sh" |
| else |
| echo "Cannot operate on cluster using master os distro: ${MASTER_OS_DISTRIBUTION}" >&2 |
| exit 1 |
| fi |
| |
| if [[ ${NODE_LOCAL_SSDS:-} -ge 1 ]] && [[ ! -z ${NODE_LOCAL_SSDS_EXT:-} ]] ; then |
| echo -e "${color_red}Local SSD: Only one of NODE_LOCAL_SSDS and NODE_LOCAL_SSDS_EXT can be specified at once${color_norm}" >&2 |
| exit 2 |
| fi |
| |
| if [[ "${MASTER_OS_DISTRIBUTION}" == "gci" ]]; then |
| DEFAULT_GCI_PROJECT=google-containers |
| if [[ "${GCI_VERSION}" == "cos"* ]]; then |
| DEFAULT_GCI_PROJECT=cos-cloud |
| fi |
| MASTER_IMAGE_PROJECT=${KUBE_GCE_MASTER_PROJECT:-${DEFAULT_GCI_PROJECT}} |
| # If the master image is not set, we use the latest GCI image. |
| # Otherwise, we respect whatever is set by the user. |
| MASTER_IMAGE=${KUBE_GCE_MASTER_IMAGE:-${GCI_VERSION}} |
| fi |
| |
| # Sets node image based on the specified os distro. Currently this function only |
| # supports gci and debian. |
| function set-node-image() { |
| if [[ "${NODE_OS_DISTRIBUTION}" == "gci" ]]; then |
| DEFAULT_GCI_PROJECT=google-containers |
| if [[ "${GCI_VERSION}" == "cos"* ]]; then |
| DEFAULT_GCI_PROJECT=cos-cloud |
| fi |
| |
| # If the node image is not set, we use the latest GCI image. |
| # Otherwise, we respect whatever is set by the user. |
| NODE_IMAGE=${KUBE_GCE_NODE_IMAGE:-${GCI_VERSION}} |
| NODE_IMAGE_PROJECT=${KUBE_GCE_NODE_PROJECT:-${DEFAULT_GCI_PROJECT}} |
| fi |
| } |
| |
| set-node-image |
| |
| # Verfiy cluster autoscaler configuration. |
| if [[ "${ENABLE_CLUSTER_AUTOSCALER}" == "true" ]]; then |
| if [[ -z $AUTOSCALER_MIN_NODES ]]; then |
| echo "AUTOSCALER_MIN_NODES not set." |
| exit 1 |
| fi |
| if [[ -z $AUTOSCALER_MAX_NODES ]]; then |
| echo "AUTOSCALER_MAX_NODES not set." |
| exit 1 |
| fi |
| fi |
| |
| NODE_INSTANCE_PREFIX=${NODE_INSTANCE_PREFIX:-"${INSTANCE_PREFIX}-minion"} |
| |
| NODE_TAGS="${NODE_TAG}" |
| |
| ALLOCATE_NODE_CIDRS=true |
| PREEXISTING_NETWORK=false |
| PREEXISTING_NETWORK_MODE="" |
| |
| KUBE_PROMPT_FOR_UPDATE=${KUBE_PROMPT_FOR_UPDATE:-"n"} |
| # How long (in seconds) to wait for cluster initialization. |
| KUBE_CLUSTER_INITIALIZATION_TIMEOUT=${KUBE_CLUSTER_INITIALIZATION_TIMEOUT:-300} |
| |
| function join_csv() { |
| local IFS=','; echo "$*"; |
| } |
| |
| # This function returns the first string before the comma |
| function split_csv() { |
| echo "$*" | cut -d',' -f1 |
| } |
| |
| # Verify prereqs |
| function verify-prereqs() { |
| local cmd |
| |
| # we use openssl to generate certs |
| kube::util::test_openssl_installed |
| |
| # ensure a version supported by easyrsa is installed |
| if [ "$(openssl version | cut -d\ -f1)" == "LibreSSL" ]; then |
| echo "LibreSSL is not supported. Please ensure openssl points to an OpenSSL binary" |
| if [ "$(uname -s)" == "Darwin" ]; then |
| echo 'On macOS we recommend using homebrew and adding "$(brew --prefix openssl)/bin" to your PATH' |
| fi |
| exit 1 |
| fi |
| |
| # we use gcloud to create the cluster, gsutil to stage binaries and data |
| for cmd in gcloud gsutil; do |
| if ! which "${cmd}" >/dev/null; then |
| local resp="n" |
| if [[ "${KUBE_PROMPT_FOR_UPDATE}" == "y" ]]; then |
| echo "Can't find ${cmd} in PATH. Do you wish to install the Google Cloud SDK? [Y/n]" |
| read resp |
| fi |
| if [[ "${resp}" != "n" && "${resp}" != "N" ]]; then |
| curl https://sdk.cloud.google.com | bash |
| fi |
| if ! which "${cmd}" >/dev/null; then |
| echo "Can't find ${cmd} in PATH, please fix and retry. The Google Cloud " >&2 |
| echo "SDK can be downloaded from https://cloud.google.com/sdk/." >&2 |
| exit 1 |
| fi |
| fi |
| done |
| update-or-verify-gcloud |
| } |
| |
| # Use the gcloud defaults to find the project. If it is already set in the |
| # environment then go with that. |
| # |
| # Vars set: |
| # PROJECT |
| # NETWORK_PROJECT |
| # PROJECT_REPORTED |
| function detect-project() { |
| if [[ -z "${PROJECT-}" ]]; then |
| PROJECT=$(gcloud config list project --format 'value(core.project)') |
| fi |
| |
| NETWORK_PROJECT=${NETWORK_PROJECT:-${PROJECT}} |
| |
| if [[ -z "${PROJECT-}" ]]; then |
| echo "Could not detect Google Cloud Platform project. Set the default project using " >&2 |
| echo "'gcloud config set project <PROJECT>'" >&2 |
| exit 1 |
| fi |
| if [[ -z "${PROJECT_REPORTED-}" ]]; then |
| echo "Project: ${PROJECT}" >&2 |
| echo "Network Project: ${NETWORK_PROJECT}" >&2 |
| echo "Zone: ${ZONE}" >&2 |
| PROJECT_REPORTED=true |
| fi |
| } |
| |
| # Use gsutil to get the md5 hash for a particular tar |
| function gsutil_get_tar_md5() { |
| # location_tar could be local or in the cloud |
| # local tar_location example ./_output/release-tars/kubernetes-server-linux-amd64.tar.gz |
| # cloud tar_location example gs://kubernetes-staging-PROJECT/kubernetes-devel/kubernetes-server-linux-amd64.tar.gz |
| local -r tar_location=$1 |
| #parse the output and return the md5 hash |
| #the sed command at the end removes whitespace |
| local -r tar_md5=$(gsutil hash -h -m ${tar_location} 2>/dev/null | grep "Hash (md5):" | awk -F ':' '{print $2}' | sed 's/^[[:space:]]*//g') |
| echo "${tar_md5}" |
| } |
| |
| # Copy a release tar and its accompanying hash. |
| function copy-to-staging() { |
| local -r staging_path=$1 |
| local -r gs_url=$2 |
| local -r tar=$3 |
| local -r hash=$4 |
| local -r basename_tar=$(basename ${tar}) |
| |
| #check whether this tar alread exists and has the same hash |
| #if it matches, then don't bother uploading it again |
| |
| #remote_tar_md5 checks the remote location for the existing tarball and its md5 |
| #staging_path example gs://kubernetes-staging-PROJECT/kubernetes-devel |
| #basename_tar example kubernetes-server-linux-amd64.tar.gz |
| local -r remote_tar_md5=$(gsutil_get_tar_md5 "${staging_path}/${basename_tar}") |
| if [[ -n ${remote_tar_md5} ]]; then |
| #local_tar_md5 checks the remote location for the existing tarball and its md5 hash |
| #tar example ./_output/release-tars/kubernetes-server-linux-amd64.tar.gz |
| local -r local_tar_md5=$(gsutil_get_tar_md5 "${tar}") |
| if [[ "${remote_tar_md5}" == "${local_tar_md5}" ]]; then |
| echo "+++ ${basename_tar} uploaded earlier, cloud and local file md5 match (md5 = ${local_tar_md5})" |
| return 0 |
| fi |
| fi |
| |
| echo "${hash}" > "${tar}.sha1" |
| gsutil -m -q -h "Cache-Control:private, max-age=0" cp "${tar}" "${tar}.sha1" "${staging_path}" |
| gsutil -m acl ch -g all:R "${gs_url}" "${gs_url}.sha1" >/dev/null 2>&1 |
| echo "+++ ${basename_tar} uploaded (sha1 = ${hash})" |
| } |
| |
| |
| # Given the cluster zone, return the list of regional GCS release |
| # bucket suffixes for the release in preference order. GCS doesn't |
| # give us an API for this, so we hardcode it. |
| # |
| # Assumed vars: |
| # RELEASE_REGION_FALLBACK |
| # REGIONAL_KUBE_ADDONS |
| # ZONE |
| # Vars set: |
| # PREFERRED_REGION |
| function set-preferred-region() { |
| case ${ZONE} in |
| asia-*) |
| PREFERRED_REGION=("asia" "us" "eu") |
| ;; |
| europe-*) |
| PREFERRED_REGION=("eu" "us" "asia") |
| ;; |
| *) |
| PREFERRED_REGION=("us" "eu" "asia") |
| ;; |
| esac |
| |
| if [[ "${RELEASE_REGION_FALLBACK}" != "true" ]]; then |
| PREFERRED_REGION=( "${PREFERRED_REGION[0]}" ) |
| fi |
| } |
| |
| # Take the local tar files and upload them to Google Storage. They will then be |
| # downloaded by the master as part of the start up script for the master. |
| # |
| # Assumed vars: |
| # PROJECT |
| # SERVER_BINARY_TAR |
| # KUBE_MANIFESTS_TAR |
| # ZONE |
| # Vars set: |
| # SERVER_BINARY_TAR_URL |
| # SERVER_BINARY_TAR_HASH |
| # KUBE_MANIFESTS_TAR_URL |
| # KUBE_MANIFESTS_TAR_HASH |
| function upload-server-tars() { |
| SERVER_BINARY_TAR_URL= |
| SERVER_BINARY_TAR_HASH= |
| KUBE_MANIFESTS_TAR_URL= |
| KUBE_MANIFESTS_TAR_HASH= |
| |
| local project_hash |
| if which md5 > /dev/null 2>&1; then |
| project_hash=$(md5 -q -s "$PROJECT") |
| else |
| project_hash=$(echo -n "$PROJECT" | md5sum | awk '{ print $1 }') |
| fi |
| |
| # This requires 1 million projects before the probability of collision is 50% |
| # that's probably good enough for now :P |
| project_hash=${project_hash:0:10} |
| |
| set-preferred-region |
| |
| if [[ "${ENABLE_DOCKER_REGISTRY_CACHE:-}" == "true" ]]; then |
| DOCKER_REGISTRY_MIRROR_URL="https://mirror.gcr.io" |
| fi |
| |
| SERVER_BINARY_TAR_HASH=$(sha1sum-file "${SERVER_BINARY_TAR}") |
| if [[ -n "${KUBE_MANIFESTS_TAR:-}" ]]; then |
| KUBE_MANIFESTS_TAR_HASH=$(sha1sum-file "${KUBE_MANIFESTS_TAR}") |
| fi |
| |
| local server_binary_tar_urls=() |
| local kube_manifest_tar_urls=() |
| |
| for region in "${PREFERRED_REGION[@]}"; do |
| suffix="-${region}" |
| if [[ "${suffix}" == "-us" ]]; then |
| suffix="" |
| fi |
| local staging_bucket="gs://kubernetes-staging-${project_hash}${suffix}" |
| |
| # Ensure the buckets are created |
| if ! gsutil ls "${staging_bucket}" >/dev/null; then |
| echo "Creating ${staging_bucket}" |
| gsutil mb -l "${region}" "${staging_bucket}" |
| fi |
| |
| local staging_path="${staging_bucket}/${INSTANCE_PREFIX}-devel" |
| |
| echo "+++ Staging server tars to Google Storage: ${staging_path}" |
| local server_binary_gs_url="${staging_path}/${SERVER_BINARY_TAR##*/}" |
| copy-to-staging "${staging_path}" "${server_binary_gs_url}" "${SERVER_BINARY_TAR}" "${SERVER_BINARY_TAR_HASH}" |
| |
| # Convert from gs:// URL to an https:// URL |
| server_binary_tar_urls+=("${server_binary_gs_url/gs:\/\//https://storage.googleapis.com/}") |
| if [[ -n "${KUBE_MANIFESTS_TAR:-}" ]]; then |
| local kube_manifests_gs_url="${staging_path}/${KUBE_MANIFESTS_TAR##*/}" |
| copy-to-staging "${staging_path}" "${kube_manifests_gs_url}" "${KUBE_MANIFESTS_TAR}" "${KUBE_MANIFESTS_TAR_HASH}" |
| # Convert from gs:// URL to an https:// URL |
| kube_manifests_tar_urls+=("${kube_manifests_gs_url/gs:\/\//https://storage.googleapis.com/}") |
| fi |
| done |
| |
| SERVER_BINARY_TAR_URL=$(join_csv "${server_binary_tar_urls[@]}") |
| if [[ -n "${KUBE_MANIFESTS_TAR:-}" ]]; then |
| KUBE_MANIFESTS_TAR_URL=$(join_csv "${kube_manifests_tar_urls[@]}") |
| fi |
| } |
| |
| # Detect minions created in the minion group |
| # |
| # Assumed vars: |
| # NODE_INSTANCE_PREFIX |
| # Vars set: |
| # NODE_NAMES |
| # INSTANCE_GROUPS |
| function detect-node-names() { |
| detect-project |
| INSTANCE_GROUPS=() |
| INSTANCE_GROUPS+=($(gcloud compute instance-groups managed list \ |
| --project "${PROJECT}" \ |
| --filter "name ~ '${NODE_INSTANCE_PREFIX}-.+' AND zone:(${ZONE})" \ |
| --format='value(name)' || true)) |
| NODE_NAMES=() |
| if [[ -n "${INSTANCE_GROUPS[@]:-}" ]]; then |
| for group in "${INSTANCE_GROUPS[@]}"; do |
| NODE_NAMES+=($(gcloud compute instance-groups managed list-instances \ |
| "${group}" --zone "${ZONE}" --project "${PROJECT}" \ |
| --format='value(instance)')) |
| done |
| fi |
| # Add heapster node name to the list too (if it exists). |
| if [[ -n "${HEAPSTER_MACHINE_TYPE:-}" ]]; then |
| NODE_NAMES+=("${NODE_INSTANCE_PREFIX}-heapster") |
| fi |
| |
| echo "INSTANCE_GROUPS=${INSTANCE_GROUPS[*]:-}" >&2 |
| echo "NODE_NAMES=${NODE_NAMES[*]:-}" >&2 |
| } |
| |
| # Detect the information about the minions |
| # |
| # Assumed vars: |
| # ZONE |
| # Vars set: |
| # NODE_NAMES |
| # KUBE_NODE_IP_ADDRESSES (array) |
| function detect-nodes() { |
| detect-project |
| detect-node-names |
| KUBE_NODE_IP_ADDRESSES=() |
| for (( i=0; i<${#NODE_NAMES[@]}; i++)); do |
| local node_ip=$(gcloud compute instances describe --project "${PROJECT}" --zone "${ZONE}" \ |
| "${NODE_NAMES[$i]}" --format='value(networkInterfaces[0].accessConfigs[0].natIP)') |
| if [[ -z "${node_ip-}" ]] ; then |
| echo "Did not find ${NODE_NAMES[$i]}" >&2 |
| else |
| echo "Found ${NODE_NAMES[$i]} at ${node_ip}" |
| KUBE_NODE_IP_ADDRESSES+=("${node_ip}") |
| fi |
| done |
| if [[ -z "${KUBE_NODE_IP_ADDRESSES-}" ]]; then |
| echo "Could not detect Kubernetes minion nodes. Make sure you've launched a cluster with 'kube-up.sh'" >&2 |
| exit 1 |
| fi |
| } |
| |
| # Detect the IP for the master |
| # |
| # Assumed vars: |
| # MASTER_NAME |
| # ZONE |
| # REGION |
| # Vars set: |
| # KUBE_MASTER |
| # KUBE_MASTER_IP |
| function detect-master() { |
| detect-project |
| KUBE_MASTER=${MASTER_NAME} |
| echo "Trying to find master named '${MASTER_NAME}'" >&2 |
| if [[ -z "${KUBE_MASTER_IP-}" ]]; then |
| local master_address_name="${MASTER_NAME}-ip" |
| echo "Looking for address '${master_address_name}'" >&2 |
| if ! KUBE_MASTER_IP=$(gcloud compute addresses describe "${master_address_name}" \ |
| --project "${PROJECT}" --region "${REGION}" -q --format='value(address)') || \ |
| [[ -z "${KUBE_MASTER_IP-}" ]]; then |
| echo "Could not detect Kubernetes master node. Make sure you've launched a cluster with 'kube-up.sh'" >&2 |
| exit 1 |
| fi |
| fi |
| echo "Using master: $KUBE_MASTER (external IP: $KUBE_MASTER_IP)" >&2 |
| } |
| |
| function load-or-gen-kube-bearertoken() { |
| if [[ ! -z "${KUBE_CONTEXT:-}" ]]; then |
| get-kubeconfig-bearertoken |
| fi |
| if [[ -z "${KUBE_BEARER_TOKEN:-}" ]]; then |
| gen-kube-bearertoken |
| fi |
| } |
| |
| # Figure out which binary use on the server and assure it is available. |
| # If KUBE_VERSION is specified use binaries specified by it, otherwise |
| # use local dev binaries. |
| # |
| # Assumed vars: |
| # KUBE_VERSION |
| # KUBE_RELEASE_VERSION_REGEX |
| # KUBE_CI_VERSION_REGEX |
| # Vars set: |
| # KUBE_TAR_HASH |
| # SERVER_BINARY_TAR_URL |
| # SERVER_BINARY_TAR_HASH |
| function tars_from_version() { |
| local sha1sum="" |
| if which sha1sum >/dev/null 2>&1; then |
| sha1sum="sha1sum" |
| else |
| sha1sum="shasum -a1" |
| fi |
| |
| if [[ -z "${KUBE_VERSION-}" ]]; then |
| find-release-tars |
| upload-server-tars |
| elif [[ ${KUBE_VERSION} =~ ${KUBE_RELEASE_VERSION_REGEX} ]]; then |
| SERVER_BINARY_TAR_URL="https://storage.googleapis.com/kubernetes-release/release/${KUBE_VERSION}/kubernetes-server-linux-amd64.tar.gz" |
| # TODO: Clean this up. |
| KUBE_MANIFESTS_TAR_URL="${SERVER_BINARY_TAR_URL/server-linux-amd64/manifests}" |
| KUBE_MANIFESTS_TAR_HASH=$(curl ${KUBE_MANIFESTS_TAR_URL} --silent --show-error | ${sha1sum} | awk '{print $1}') |
| elif [[ ${KUBE_VERSION} =~ ${KUBE_CI_VERSION_REGEX} ]]; then |
| SERVER_BINARY_TAR_URL="https://storage.googleapis.com/kubernetes-release-dev/ci/${KUBE_VERSION}/kubernetes-server-linux-amd64.tar.gz" |
| # TODO: Clean this up. |
| KUBE_MANIFESTS_TAR_URL="${SERVER_BINARY_TAR_URL/server-linux-amd64/manifests}" |
| KUBE_MANIFESTS_TAR_HASH=$(curl ${KUBE_MANIFESTS_TAR_URL} --silent --show-error | ${sha1sum} | awk '{print $1}') |
| else |
| echo "Version doesn't match regexp" >&2 |
| exit 1 |
| fi |
| if ! SERVER_BINARY_TAR_HASH=$(curl -Ss --fail "${SERVER_BINARY_TAR_URL}.sha1"); then |
| echo "Failure trying to curl release .sha1" |
| fi |
| |
| if ! curl -Ss --head "${SERVER_BINARY_TAR_URL}" >&/dev/null; then |
| echo "Can't find release at ${SERVER_BINARY_TAR_URL}" >&2 |
| exit 1 |
| fi |
| } |
| |
| # Reads kube-env metadata from master |
| # |
| # Assumed vars: |
| # KUBE_MASTER |
| # PROJECT |
| # ZONE |
| function get-master-env() { |
| # TODO(zmerlynn): Make this more reliable with retries. |
| gcloud compute --project ${PROJECT} ssh --zone ${ZONE} ${KUBE_MASTER} --command \ |
| "curl --fail --silent -H 'Metadata-Flavor: Google' \ |
| 'http://metadata/computeMetadata/v1/instance/attributes/kube-env'" 2>/dev/null |
| gcloud compute --project ${PROJECT} ssh --zone ${ZONE} ${KUBE_MASTER} --command \ |
| "curl --fail --silent -H 'Metadata-Flavor: Google' \ |
| 'http://metadata/computeMetadata/v1/instance/attributes/kube-master-certs'" 2>/dev/null |
| } |
| |
| # Quote something appropriate for a yaml string. |
| # |
| # TODO(zmerlynn): Note that this function doesn't so much "quote" as |
| # "strip out quotes", and we really should be using a YAML library for |
| # this, but PyYAML isn't shipped by default, and *rant rant rant ... SIGH* |
| function yaml-quote { |
| echo "'$(echo "${@:-}" | sed -e "s/'/''/g")'" |
| } |
| |
| # Writes the cluster location into a temporary file. |
| # Assumed vars |
| # ZONE |
| function write-cluster-location { |
| cat >"${KUBE_TEMP}/cluster-location.txt" << EOF |
| ${ZONE} |
| EOF |
| } |
| |
| # Writes the cluster name into a temporary file. |
| # Assumed vars |
| # CLUSTER_NAME |
| function write-cluster-name { |
| cat >"${KUBE_TEMP}/cluster-name.txt" << EOF |
| ${CLUSTER_NAME} |
| EOF |
| } |
| |
| function write-master-env { |
| # If the user requested that the master be part of the cluster, set the |
| # environment variable to program the master kubelet to register itself. |
| if [[ "${REGISTER_MASTER_KUBELET:-}" == "true" && -z "${KUBELET_APISERVER:-}" ]]; then |
| KUBELET_APISERVER="${MASTER_NAME}" |
| fi |
| if [[ -z "${KUBERNETES_MASTER_NAME:-}" ]]; then |
| KUBERNETES_MASTER_NAME="${MASTER_NAME}" |
| fi |
| |
| construct-kubelet-flags true |
| build-kube-env true "${KUBE_TEMP}/master-kube-env.yaml" |
| build-kubelet-config true "${KUBE_TEMP}/master-kubelet-config.yaml" |
| build-kube-master-certs "${KUBE_TEMP}/kube-master-certs.yaml" |
| } |
| |
| function write-node-env { |
| if [[ -z "${KUBERNETES_MASTER_NAME:-}" ]]; then |
| KUBERNETES_MASTER_NAME="${MASTER_NAME}" |
| fi |
| |
| construct-kubelet-flags false |
| build-kube-env false "${KUBE_TEMP}/node-kube-env.yaml" |
| build-kubelet-config false "${KUBE_TEMP}/node-kubelet-config.yaml" |
| } |
| |
| function build-node-labels { |
| local master=$1 |
| local node_labels="" |
| if [[ "${KUBE_PROXY_DAEMONSET:-}" == "true" && "${master}" != "true" ]]; then |
| # Add kube-proxy daemonset label to node to avoid situation during cluster |
| # upgrade/downgrade when there are two instances of kube-proxy running on a node. |
| node_labels="beta.kubernetes.io/kube-proxy-ds-ready=true" |
| fi |
| if [[ -n "${NODE_LABELS:-}" ]]; then |
| node_labels="${node_labels:+${node_labels},}${NODE_LABELS}" |
| fi |
| if [[ -n "${NON_MASTER_NODE_LABELS:-}" && "${master}" != "true" ]]; then |
| node_labels="${node_labels:+${node_labels},}${NON_MASTER_NODE_LABELS}" |
| fi |
| echo $node_labels |
| } |
| |
| # yaml-map-string-stringarray converts the encoded structure to yaml format, and echoes the result |
| # under the provided name. If the encoded structure is empty, echoes nothing. |
| # 1: name to be output in yaml |
| # 2: encoded map-string-string (which may contain duplicate keys - resulting in map-string-stringarray) |
| # 3: key-value separator (defaults to ':') |
| # 4: item separator (defaults to ',') |
| function yaml-map-string-stringarray { |
| declare -r name="${1}" |
| declare -r encoded="${2}" |
| declare -r kv_sep="${3:-:}" |
| declare -r item_sep="${4:-,}" |
| |
| declare -a pairs # indexed array |
| declare -A map # associative array |
| IFS="${item_sep}" read -ra pairs <<<"${encoded}" # split on item_sep |
| for pair in "${pairs[@]}"; do |
| declare key |
| declare value |
| IFS="${kv_sep}" read -r key value <<<"${pair}" # split on kv_sep |
| map[$key]="${map[$key]+${map[$key]}${item_sep}}${value}" # append values from duplicate keys |
| done |
| # only output if there is a non-empty map |
| if [[ ${#map[@]} -gt 0 ]]; then |
| echo "${name}:" |
| for k in "${!map[@]}"; do |
| echo " ${k}:" |
| declare -a values |
| IFS="${item_sep}" read -ra values <<<"${map[$k]}" |
| for val in "${values[@]}"; do |
| # declare across two lines so errexit can catch failures |
| declare v |
| v=$(yaml-quote "${val}") |
| echo " - ${v}" |
| done |
| done |
| fi |
| } |
| |
| # yaml-map-string-string converts the encoded structure to yaml format, and echoes the result |
| # under the provided name. If the encoded structure is empty, echoes nothing. |
| # 1: name to be output in yaml |
| # 2: encoded map-string-string (no duplicate keys) |
| # 3: bool, whether to yaml-quote the value string in the output (defaults to true) |
| # 4: key-value separator (defaults to ':') |
| # 5: item separator (defaults to ',') |
| function yaml-map-string-string { |
| declare -r name="${1}" |
| declare -r encoded="${2}" |
| declare -r quote_val_string="${3:-true}" |
| declare -r kv_sep="${4:-:}" |
| declare -r item_sep="${5:-,}" |
| |
| declare -a pairs # indexed array |
| declare -A map # associative array |
| IFS="${item_sep}" read -ra pairs <<<"${encoded}" # split on item_sep # TODO(mtaufen): try quoting this too |
| for pair in "${pairs[@]}"; do |
| declare key |
| declare value |
| IFS="${kv_sep}" read -r key value <<<"${pair}" # split on kv_sep |
| map[$key]="${value}" # add to associative array |
| done |
| # only output if there is a non-empty map |
| if [[ ${#map[@]} -gt 0 ]]; then |
| echo "${name}:" |
| for k in "${!map[@]}"; do |
| if [[ "${quote_val_string}" == "true" ]]; then |
| # declare across two lines so errexit can catch failures |
| declare v |
| v=$(yaml-quote "${map[$k]}") |
| echo " ${k}: ${v}" |
| else |
| echo " ${k}: ${map[$k]}" |
| fi |
| done |
| fi |
| } |
| |
| # $1: if 'true', we're rendering flags for a master, else a node |
| function construct-kubelet-flags { |
| local master=$1 |
| local flags="${KUBELET_TEST_LOG_LEVEL:-"--v=2"} ${KUBELET_TEST_ARGS:-}" |
| flags+=" --allow-privileged=true" |
| flags+=" --cloud-provider=gce" |
| # Keep in sync with CONTAINERIZED_MOUNTER_HOME in configure-helper.sh |
| flags+=" --experimental-mounter-path=/home/kubernetes/containerized_mounter/mounter" |
| flags+=" --experimental-check-node-capabilities-before-mount=true" |
| # Keep in sync with the mkdir command in configure-helper.sh (until the TODO is resolved) |
| flags+=" --cert-dir=/var/lib/kubelet/pki/" |
| # Configure the directory that the Kubelet should use to store dynamic config checkpoints |
| flags+=" --dynamic-config-dir=/var/lib/kubelet/dynamic-config" |
| |
| |
| if [[ "${master}" == "true" ]]; then |
| flags+=" ${MASTER_KUBELET_TEST_ARGS:-}" |
| if [[ "${REGISTER_MASTER_KUBELET:-false}" == "true" ]]; then |
| #TODO(mikedanese): allow static pods to start before creating a client |
| #flags+=" --bootstrap-kubeconfig=/var/lib/kubelet/bootstrap-kubeconfig" |
| #flags+=" --kubeconfig=/var/lib/kubelet/kubeconfig" |
| flags+=" --kubeconfig=/var/lib/kubelet/bootstrap-kubeconfig" |
| flags+=" --register-schedulable=false" |
| fi |
| else # For nodes |
| flags+=" ${NODE_KUBELET_TEST_ARGS:-}" |
| flags+=" --bootstrap-kubeconfig=/var/lib/kubelet/bootstrap-kubeconfig" |
| flags+=" --kubeconfig=/var/lib/kubelet/kubeconfig" |
| fi |
| # Network plugin |
| if [[ -n "${NETWORK_PROVIDER:-}" || -n "${NETWORK_POLICY_PROVIDER:-}" ]]; then |
| flags+=" --cni-bin-dir=/home/kubernetes/bin" |
| if [[ "${NETWORK_POLICY_PROVIDER:-}" == "calico" || "${ENABLE_NETD:-}" == "true" ]]; then |
| # Calico uses CNI always. |
| # Note that network policy won't work for master node. |
| if [[ "${master}" == "true" ]]; then |
| flags+=" --network-plugin=${NETWORK_PROVIDER}" |
| else |
| flags+=" --network-plugin=cni" |
| fi |
| else |
| # Otherwise use the configured value. |
| flags+=" --network-plugin=${NETWORK_PROVIDER}" |
| |
| fi |
| fi |
| if [[ -n "${NON_MASQUERADE_CIDR:-}" ]]; then |
| flags+=" --non-masquerade-cidr=${NON_MASQUERADE_CIDR}" |
| fi |
| flags+=" --volume-plugin-dir=${VOLUME_PLUGIN_DIR}" |
| local node_labels=$(build-node-labels ${master}) |
| if [[ -n "${node_labels:-}" ]]; then |
| flags+=" --node-labels=${node_labels}" |
| fi |
| if [[ -n "${NODE_TAINTS:-}" ]]; then |
| flags+=" --register-with-taints=${NODE_TAINTS}" |
| fi |
| # TODO(mtaufen): ROTATE_CERTIFICATES seems unused; delete it? |
| if [[ -n "${ROTATE_CERTIFICATES:-}" ]]; then |
| flags+=" --rotate-certificates=true" |
| fi |
| if [[ -n "${CONTAINER_RUNTIME:-}" ]]; then |
| flags+=" --container-runtime=${CONTAINER_RUNTIME}" |
| fi |
| if [[ -n "${CONTAINER_RUNTIME_ENDPOINT:-}" ]]; then |
| flags+=" --container-runtime-endpoint=${CONTAINER_RUNTIME_ENDPOINT}" |
| fi |
| if [[ -n "${MAX_PODS_PER_NODE:-}" ]]; then |
| flags+=" --max-pods=${MAX_PODS_PER_NODE}" |
| fi |
| |
| KUBELET_ARGS="${flags}" |
| } |
| |
| # $1: if 'true', we're rendering config for a master, else a node |
| function build-kubelet-config { |
| local master=$1 |
| local file=$2 |
| |
| rm -f "${file}" |
| { |
| declare quoted_dns_server_ip |
| declare quoted_dns_domain |
| quoted_dns_server_ip=$(yaml-quote "${DNS_SERVER_IP}") |
| if [[ "${ENABLE_NODELOCAL_DNS:-}" == "true" ]]; then |
| quoted_dns_server_ip=$(yaml-quote "${LOCAL_DNS_IP}") |
| fi |
| quoted_dns_domain=$(yaml-quote "${DNS_DOMAIN}") |
| cat <<EOF |
| kind: KubeletConfiguration |
| apiVersion: kubelet.config.k8s.io/v1beta1 |
| cgroupRoot: / |
| clusterDNS: |
| - ${quoted_dns_server_ip} |
| clusterDomain: ${quoted_dns_domain} |
| staticPodPath: /etc/kubernetes/manifests |
| readOnlyPort: 10255 |
| EOF |
| |
| # --- begin master-specific config --- |
| if [[ "${master}" == "true" ]]; then |
| cat <<EOF |
| enableDebuggingHandlers: false |
| hairpinMode: none |
| authentication: |
| webhook: |
| enabled: false |
| anonymous: |
| enabled: true |
| authorization: |
| mode: AlwaysAllow |
| EOF |
| if [[ "${REGISTER_MASTER_KUBELET:-false}" == "false" ]]; then |
| # Note: Standalone mode is used by GKE |
| declare quoted_master_ip_range |
| quoted_master_ip_range=$(yaml-quote "${MASTER_IP_RANGE}") |
| cat <<EOF |
| podCidr: ${quoted_master_ip_range} |
| EOF |
| fi |
| # --- end master-specific config --- |
| else |
| # --- begin node-specific config --- |
| # Keep authentication.x509.clientCAFile in sync with CA_CERT_BUNDLE_PATH in configure-helper.sh |
| cat <<EOF |
| enableDebuggingHandlers: true |
| authentication: |
| x509: |
| clientCAFile: /etc/srv/kubernetes/pki/ca-certificates.crt |
| EOF |
| if [[ "${HAIRPIN_MODE:-}" == "promiscuous-bridge" ]] || \ |
| [[ "${HAIRPIN_MODE:-}" == "hairpin-veth" ]] || \ |
| [[ "${HAIRPIN_MODE:-}" == "none" ]]; then |
| declare quoted_hairpin_mode |
| quoted_hairpin_mode=$(yaml-quote "${HAIRPIN_MODE}") |
| cat <<EOF |
| hairpinMode: ${quoted_hairpin_mode} |
| EOF |
| fi |
| # --- end node-specific config --- |
| fi |
| |
| # Note: ENABLE_MANIFEST_URL is used by GKE |
| if [[ "${ENABLE_MANIFEST_URL:-}" == "true" ]]; then |
| declare quoted_manifest_url |
| quoted_manifest_url=$(yaml-quote "${MANIFEST_URL}") |
| cat <<EOF |
| staticPodURL: ${quoted_manifest_url} |
| EOF |
| yaml-map-string-stringarray 'staticPodURLHeader' "${MANIFEST_URL_HEADER}" |
| fi |
| |
| if [[ -n "${EVICTION_HARD:-}" ]]; then |
| yaml-map-string-string 'evictionHard' "${EVICTION_HARD}" true '<' |
| fi |
| |
| if [[ -n "${FEATURE_GATES:-}" ]]; then |
| yaml-map-string-string 'featureGates' "${FEATURE_GATES}" false '=' |
| fi |
| } > "${file}" |
| } |
| |
| function build-kube-master-certs { |
| local file=$1 |
| rm -f ${file} |
| cat >$file <<EOF |
| KUBEAPISERVER_CERT: $(yaml-quote ${KUBEAPISERVER_CERT_BASE64:-}) |
| KUBEAPISERVER_KEY: $(yaml-quote ${KUBEAPISERVER_KEY_BASE64:-}) |
| CA_KEY: $(yaml-quote ${CA_KEY_BASE64:-}) |
| AGGREGATOR_CA_KEY: $(yaml-quote ${AGGREGATOR_CA_KEY_BASE64:-}) |
| REQUESTHEADER_CA_CERT: $(yaml-quote ${REQUESTHEADER_CA_CERT_BASE64:-}) |
| PROXY_CLIENT_CERT: $(yaml-quote ${PROXY_CLIENT_CERT_BASE64:-}) |
| PROXY_CLIENT_KEY: $(yaml-quote ${PROXY_CLIENT_KEY_BASE64:-}) |
| EOF |
| } |
| |
| # $1: if 'true', we're building a master yaml, else a node |
| function build-kube-env { |
| local master=$1 |
| local file=$2 |
| |
| local server_binary_tar_url=$SERVER_BINARY_TAR_URL |
| local kube_manifests_tar_url="${KUBE_MANIFESTS_TAR_URL:-}" |
| if [[ "${master}" == "true" && "${MASTER_OS_DISTRIBUTION}" == "ubuntu" ]] || \ |
| [[ "${master}" == "false" && ("${NODE_OS_DISTRIBUTION}" == "ubuntu" || "${NODE_OS_DISTRIBUTION}" == "custom") ]]; then |
| # TODO: Support fallback .tar.gz settings on Container Linux |
| server_binary_tar_url=$(split_csv "${SERVER_BINARY_TAR_URL}") |
| kube_manifests_tar_url=$(split_csv "${KUBE_MANIFESTS_TAR_URL}") |
| fi |
| |
| rm -f ${file} |
| cat >$file <<EOF |
| CLUSTER_NAME: $(yaml-quote ${CLUSTER_NAME}) |
| ENV_TIMESTAMP: $(yaml-quote $(date -u +%Y-%m-%dT%T%z)) |
| INSTANCE_PREFIX: $(yaml-quote ${INSTANCE_PREFIX}) |
| NODE_INSTANCE_PREFIX: $(yaml-quote ${NODE_INSTANCE_PREFIX}) |
| NODE_TAGS: $(yaml-quote ${NODE_TAGS:-}) |
| NODE_NETWORK: $(yaml-quote ${NETWORK:-}) |
| NODE_SUBNETWORK: $(yaml-quote ${SUBNETWORK:-}) |
| CLUSTER_IP_RANGE: $(yaml-quote ${CLUSTER_IP_RANGE:-10.244.0.0/16}) |
| SERVER_BINARY_TAR_URL: $(yaml-quote ${server_binary_tar_url}) |
| SERVER_BINARY_TAR_HASH: $(yaml-quote ${SERVER_BINARY_TAR_HASH}) |
| PROJECT_ID: $(yaml-quote ${PROJECT}) |
| NETWORK_PROJECT_ID: $(yaml-quote ${NETWORK_PROJECT}) |
| SERVICE_CLUSTER_IP_RANGE: $(yaml-quote ${SERVICE_CLUSTER_IP_RANGE}) |
| KUBERNETES_MASTER_NAME: $(yaml-quote ${KUBERNETES_MASTER_NAME}) |
| ALLOCATE_NODE_CIDRS: $(yaml-quote ${ALLOCATE_NODE_CIDRS:-false}) |
| ENABLE_CLUSTER_MONITORING: $(yaml-quote ${ENABLE_CLUSTER_MONITORING:-none}) |
| ENABLE_PROMETHEUS_MONITORING: $(yaml-quote ${ENABLE_PROMETHEUS_MONITORING:-false}) |
| ENABLE_METRICS_SERVER: $(yaml-quote ${ENABLE_METRICS_SERVER:-false}) |
| ENABLE_METADATA_AGENT: $(yaml-quote ${ENABLE_METADATA_AGENT:-none}) |
| METADATA_AGENT_CPU_REQUEST: $(yaml-quote ${METADATA_AGENT_CPU_REQUEST:-}) |
| METADATA_AGENT_MEMORY_REQUEST: $(yaml-quote ${METADATA_AGENT_MEMORY_REQUEST:-}) |
| METADATA_AGENT_CLUSTER_LEVEL_CPU_REQUEST: $(yaml-quote ${METADATA_AGENT_CLUSTER_LEVEL_CPU_REQUEST:-}) |
| METADATA_AGENT_CLUSTER_LEVEL_MEMORY_REQUEST: $(yaml-quote ${METADATA_AGENT_CLUSTER_LEVEL_MEMORY_REQUEST:-}) |
| DOCKER_REGISTRY_MIRROR_URL: $(yaml-quote ${DOCKER_REGISTRY_MIRROR_URL:-}) |
| ENABLE_L7_LOADBALANCING: $(yaml-quote ${ENABLE_L7_LOADBALANCING:-none}) |
| ENABLE_CLUSTER_LOGGING: $(yaml-quote ${ENABLE_CLUSTER_LOGGING:-false}) |
| ENABLE_CLUSTER_UI: $(yaml-quote ${ENABLE_CLUSTER_UI:-false}) |
| ENABLE_NODE_PROBLEM_DETECTOR: $(yaml-quote ${ENABLE_NODE_PROBLEM_DETECTOR:-none}) |
| NODE_PROBLEM_DETECTOR_VERSION: $(yaml-quote ${NODE_PROBLEM_DETECTOR_VERSION:-}) |
| NODE_PROBLEM_DETECTOR_TAR_HASH: $(yaml-quote ${NODE_PROBLEM_DETECTOR_TAR_HASH:-}) |
| ENABLE_NODE_LOGGING: $(yaml-quote ${ENABLE_NODE_LOGGING:-false}) |
| LOGGING_DESTINATION: $(yaml-quote ${LOGGING_DESTINATION:-}) |
| ELASTICSEARCH_LOGGING_REPLICAS: $(yaml-quote ${ELASTICSEARCH_LOGGING_REPLICAS:-}) |
| ENABLE_CLUSTER_DNS: $(yaml-quote ${ENABLE_CLUSTER_DNS:-false}) |
| CLUSTER_DNS_CORE_DNS: $(yaml-quote ${CLUSTER_DNS_CORE_DNS:-true}) |
| ENABLE_NODELOCAL_DNS: $(yaml-quote ${ENABLE_NODELOCAL_DNS:-false}) |
| DNS_SERVER_IP: $(yaml-quote ${DNS_SERVER_IP:-}) |
| LOCAL_DNS_IP: $(yaml-quote ${LOCAL_DNS_IP:-}) |
| DNS_DOMAIN: $(yaml-quote ${DNS_DOMAIN:-}) |
| ENABLE_DNS_HORIZONTAL_AUTOSCALER: $(yaml-quote ${ENABLE_DNS_HORIZONTAL_AUTOSCALER:-false}) |
| KUBE_PROXY_DAEMONSET: $(yaml-quote ${KUBE_PROXY_DAEMONSET:-false}) |
| KUBE_PROXY_TOKEN: $(yaml-quote ${KUBE_PROXY_TOKEN:-}) |
| KUBE_PROXY_MODE: $(yaml-quote ${KUBE_PROXY_MODE:-iptables}) |
| NODE_PROBLEM_DETECTOR_TOKEN: $(yaml-quote ${NODE_PROBLEM_DETECTOR_TOKEN:-}) |
| ADMISSION_CONTROL: $(yaml-quote ${ADMISSION_CONTROL:-}) |
| ENABLE_POD_SECURITY_POLICY: $(yaml-quote ${ENABLE_POD_SECURITY_POLICY:-}) |
| MASTER_IP_RANGE: $(yaml-quote ${MASTER_IP_RANGE}) |
| RUNTIME_CONFIG: $(yaml-quote ${RUNTIME_CONFIG}) |
| CA_CERT: $(yaml-quote ${CA_CERT_BASE64:-}) |
| KUBELET_CERT: $(yaml-quote ${KUBELET_CERT_BASE64:-}) |
| KUBELET_KEY: $(yaml-quote ${KUBELET_KEY_BASE64:-}) |
| NETWORK_PROVIDER: $(yaml-quote ${NETWORK_PROVIDER:-}) |
| NETWORK_POLICY_PROVIDER: $(yaml-quote ${NETWORK_POLICY_PROVIDER:-}) |
| HAIRPIN_MODE: $(yaml-quote ${HAIRPIN_MODE:-}) |
| E2E_STORAGE_TEST_ENVIRONMENT: $(yaml-quote ${E2E_STORAGE_TEST_ENVIRONMENT:-}) |
| KUBE_DOCKER_REGISTRY: $(yaml-quote ${KUBE_DOCKER_REGISTRY:-}) |
| KUBE_ADDON_REGISTRY: $(yaml-quote ${KUBE_ADDON_REGISTRY:-}) |
| MULTIZONE: $(yaml-quote ${MULTIZONE:-}) |
| NON_MASQUERADE_CIDR: $(yaml-quote ${NON_MASQUERADE_CIDR:-}) |
| ENABLE_DEFAULT_STORAGE_CLASS: $(yaml-quote ${ENABLE_DEFAULT_STORAGE_CLASS:-}) |
| ENABLE_APISERVER_ADVANCED_AUDIT: $(yaml-quote ${ENABLE_APISERVER_ADVANCED_AUDIT:-}) |
| ENABLE_CACHE_MUTATION_DETECTOR: $(yaml-quote ${ENABLE_CACHE_MUTATION_DETECTOR:-false}) |
| ENABLE_PATCH_CONVERSION_DETECTOR: $(yaml-quote ${ENABLE_PATCH_CONVERSION_DETECTOR:-false}) |
| ADVANCED_AUDIT_POLICY: $(yaml-quote ${ADVANCED_AUDIT_POLICY:-}) |
| ADVANCED_AUDIT_BACKEND: $(yaml-quote ${ADVANCED_AUDIT_BACKEND:-log}) |
| ADVANCED_AUDIT_TRUNCATING_BACKEND: $(yaml-quote ${ADVANCED_AUDIT_TRUNCATING_BACKEND:-true}) |
| ADVANCED_AUDIT_LOG_MODE: $(yaml-quote ${ADVANCED_AUDIT_LOG_MODE:-}) |
| ADVANCED_AUDIT_LOG_BUFFER_SIZE: $(yaml-quote ${ADVANCED_AUDIT_LOG_BUFFER_SIZE:-}) |
| ADVANCED_AUDIT_LOG_MAX_BATCH_SIZE: $(yaml-quote ${ADVANCED_AUDIT_LOG_MAX_BATCH_SIZE:-}) |
| ADVANCED_AUDIT_LOG_MAX_BATCH_WAIT: $(yaml-quote ${ADVANCED_AUDIT_LOG_MAX_BATCH_WAIT:-}) |
| ADVANCED_AUDIT_LOG_THROTTLE_QPS: $(yaml-quote ${ADVANCED_AUDIT_LOG_THROTTLE_QPS:-}) |
| ADVANCED_AUDIT_LOG_THROTTLE_BURST: $(yaml-quote ${ADVANCED_AUDIT_LOG_THROTTLE_BURST:-}) |
| ADVANCED_AUDIT_LOG_INITIAL_BACKOFF: $(yaml-quote ${ADVANCED_AUDIT_LOG_INITIAL_BACKOFF:-}) |
| ADVANCED_AUDIT_WEBHOOK_MODE: $(yaml-quote ${ADVANCED_AUDIT_WEBHOOK_MODE:-}) |
| ADVANCED_AUDIT_WEBHOOK_BUFFER_SIZE: $(yaml-quote ${ADVANCED_AUDIT_WEBHOOK_BUFFER_SIZE:-}) |
| ADVANCED_AUDIT_WEBHOOK_MAX_BATCH_SIZE: $(yaml-quote ${ADVANCED_AUDIT_WEBHOOK_MAX_BATCH_SIZE:-}) |
| ADVANCED_AUDIT_WEBHOOK_MAX_BATCH_WAIT: $(yaml-quote ${ADVANCED_AUDIT_WEBHOOK_MAX_BATCH_WAIT:-}) |
| ADVANCED_AUDIT_WEBHOOK_THROTTLE_QPS: $(yaml-quote ${ADVANCED_AUDIT_WEBHOOK_THROTTLE_QPS:-}) |
| ADVANCED_AUDIT_WEBHOOK_THROTTLE_BURST: $(yaml-quote ${ADVANCED_AUDIT_WEBHOOK_THROTTLE_BURST:-}) |
| ADVANCED_AUDIT_WEBHOOK_INITIAL_BACKOFF: $(yaml-quote ${ADVANCED_AUDIT_WEBHOOK_INITIAL_BACKOFF:-}) |
| GCE_API_ENDPOINT: $(yaml-quote ${GCE_API_ENDPOINT:-}) |
| GCE_GLBC_IMAGE: $(yaml-quote ${GCE_GLBC_IMAGE:-}) |
| ENABLE_NODE_JOURNAL: $(yaml-quote ${ENABLE_NODE_JOURNAL:-false}) |
| PROMETHEUS_TO_SD_ENDPOINT: $(yaml-quote ${PROMETHEUS_TO_SD_ENDPOINT:-}) |
| PROMETHEUS_TO_SD_PREFIX: $(yaml-quote ${PROMETHEUS_TO_SD_PREFIX:-}) |
| ENABLE_PROMETHEUS_TO_SD: $(yaml-quote ${ENABLE_PROMETHEUS_TO_SD:-false}) |
| DISABLE_PROMETHEUS_TO_SD_IN_DS: $(yaml-quote ${DISABLE_PROMETHEUS_TO_SD_IN_DS:-false}) |
| ENABLE_POD_PRIORITY: $(yaml-quote ${ENABLE_POD_PRIORITY:-}) |
| CONTAINER_RUNTIME: $(yaml-quote ${CONTAINER_RUNTIME:-}) |
| CONTAINER_RUNTIME_ENDPOINT: $(yaml-quote ${CONTAINER_RUNTIME_ENDPOINT:-}) |
| CONTAINER_RUNTIME_NAME: $(yaml-quote ${CONTAINER_RUNTIME_NAME:-}) |
| NODE_LOCAL_SSDS_EXT: $(yaml-quote ${NODE_LOCAL_SSDS_EXT:-}) |
| LOAD_IMAGE_COMMAND: $(yaml-quote ${LOAD_IMAGE_COMMAND:-}) |
| ZONE: $(yaml-quote ${ZONE}) |
| REGION: $(yaml-quote ${REGION}) |
| VOLUME_PLUGIN_DIR: $(yaml-quote ${VOLUME_PLUGIN_DIR}) |
| KUBELET_ARGS: $(yaml-quote ${KUBELET_ARGS}) |
| REQUIRE_METADATA_KUBELET_CONFIG_FILE: $(yaml-quote true) |
| ENABLE_NETD: $(yaml-quote ${ENABLE_NETD:-false}) |
| ENABLE_NODE_TERMINATION_HANDLER: $(yaml-quote ${ENABLE_NODE_TERMINATION_HANDLER:-false}) |
| CUSTOM_NETD_YAML: | |
| $(echo "${CUSTOM_NETD_YAML:-}" | sed -e "s/'/''/g") |
| CUSTOM_CALICO_NODE_DAEMONSET_YAML: | |
| $(echo "${CUSTOM_CALICO_NODE_DAEMONSET_YAML:-}" | sed -e "s/'/''/g") |
| CUSTOM_TYPHA_DEPLOYMENT_YAML: | |
| $(echo "${CUSTOM_TYPHA_DEPLOYMENT_YAML:-}" | sed -e "s/'/''/g") |
| EOF |
| if [[ "${master}" == "true" && "${MASTER_OS_DISTRIBUTION}" == "gci" ]] || \ |
| [[ "${master}" == "false" && "${NODE_OS_DISTRIBUTION}" == "gci" ]] || \ |
| [[ "${master}" == "true" && "${MASTER_OS_DISTRIBUTION}" == "cos" ]] || \ |
| [[ "${master}" == "false" && "${NODE_OS_DISTRIBUTION}" == "cos" ]]; then |
| cat >>$file <<EOF |
| REMOUNT_VOLUME_PLUGIN_DIR: $(yaml-quote ${REMOUNT_VOLUME_PLUGIN_DIR:-true}) |
| EOF |
| fi |
| if [ -n "${KUBE_APISERVER_REQUEST_TIMEOUT:-}" ]; then |
| cat >>$file <<EOF |
| KUBE_APISERVER_REQUEST_TIMEOUT: $(yaml-quote ${KUBE_APISERVER_REQUEST_TIMEOUT}) |
| EOF |
| fi |
| if [ -n "${TERMINATED_POD_GC_THRESHOLD:-}" ]; then |
| cat >>$file <<EOF |
| TERMINATED_POD_GC_THRESHOLD: $(yaml-quote ${TERMINATED_POD_GC_THRESHOLD}) |
| EOF |
| fi |
| if [[ "${master}" == "true" && ("${MASTER_OS_DISTRIBUTION}" == "trusty" || "${MASTER_OS_DISTRIBUTION}" == "gci" || "${MASTER_OS_DISTRIBUTION}" == "ubuntu") ]] || \ |
| [[ "${master}" == "false" && ("${NODE_OS_DISTRIBUTION}" == "trusty" || "${NODE_OS_DISTRIBUTION}" == "gci" || "${NODE_OS_DISTRIBUTION}" = "ubuntu" || "${NODE_OS_DISTRIBUTION}" = "custom") ]] ; then |
| cat >>$file <<EOF |
| KUBE_MANIFESTS_TAR_URL: $(yaml-quote ${kube_manifests_tar_url}) |
| KUBE_MANIFESTS_TAR_HASH: $(yaml-quote ${KUBE_MANIFESTS_TAR_HASH}) |
| EOF |
| fi |
| if [ -n "${TEST_CLUSTER:-}" ]; then |
| cat >>$file <<EOF |
| TEST_CLUSTER: $(yaml-quote ${TEST_CLUSTER}) |
| EOF |
| fi |
| if [ -n "${DOCKER_TEST_LOG_LEVEL:-}" ]; then |
| cat >>$file <<EOF |
| DOCKER_TEST_LOG_LEVEL: $(yaml-quote ${DOCKER_TEST_LOG_LEVEL}) |
| EOF |
| fi |
| if [ -n "${DOCKER_LOG_DRIVER:-}" ]; then |
| cat >>$file <<EOF |
| DOCKER_LOG_DRIVER: $(yaml-quote ${DOCKER_LOG_DRIVER}) |
| EOF |
| fi |
| if [ -n "${DOCKER_LOG_MAX_SIZE:-}" ]; then |
| cat >>$file <<EOF |
| DOCKER_LOG_MAX_SIZE: $(yaml-quote ${DOCKER_LOG_MAX_SIZE}) |
| EOF |
| fi |
| if [ -n "${DOCKER_LOG_MAX_FILE:-}" ]; then |
| cat >>$file <<EOF |
| DOCKER_LOG_MAX_FILE: $(yaml-quote ${DOCKER_LOG_MAX_FILE}) |
| EOF |
| fi |
| if [ -n "${FEATURE_GATES:-}" ]; then |
| cat >>$file <<EOF |
| FEATURE_GATES: $(yaml-quote ${FEATURE_GATES}) |
| EOF |
| fi |
| if [ -n "${PROVIDER_VARS:-}" ]; then |
| local var_name |
| local var_value |
| |
| for var_name in ${PROVIDER_VARS}; do |
| eval "local var_value=\$(yaml-quote \${${var_name}})" |
| cat >>$file <<EOF |
| ${var_name}: ${var_value} |
| EOF |
| done |
| fi |
| |
| if [[ "${master}" == "true" ]]; then |
| # Master-only env vars. |
| cat >>$file <<EOF |
| KUBERNETES_MASTER: $(yaml-quote "true") |
| KUBE_USER: $(yaml-quote ${KUBE_USER}) |
| KUBE_PASSWORD: $(yaml-quote ${KUBE_PASSWORD}) |
| KUBE_BEARER_TOKEN: $(yaml-quote ${KUBE_BEARER_TOKEN}) |
| MASTER_CERT: $(yaml-quote ${MASTER_CERT_BASE64:-}) |
| MASTER_KEY: $(yaml-quote ${MASTER_KEY_BASE64:-}) |
| KUBECFG_CERT: $(yaml-quote ${KUBECFG_CERT_BASE64:-}) |
| KUBECFG_KEY: $(yaml-quote ${KUBECFG_KEY_BASE64:-}) |
| KUBELET_APISERVER: $(yaml-quote ${KUBELET_APISERVER:-}) |
| NUM_NODES: $(yaml-quote ${NUM_NODES}) |
| STORAGE_BACKEND: $(yaml-quote ${STORAGE_BACKEND:-etcd3}) |
| STORAGE_MEDIA_TYPE: $(yaml-quote ${STORAGE_MEDIA_TYPE:-}) |
| ENABLE_GARBAGE_COLLECTOR: $(yaml-quote ${ENABLE_GARBAGE_COLLECTOR:-}) |
| ENABLE_LEGACY_ABAC: $(yaml-quote ${ENABLE_LEGACY_ABAC:-}) |
| MASTER_ADVERTISE_ADDRESS: $(yaml-quote ${MASTER_ADVERTISE_ADDRESS:-}) |
| ETCD_CA_KEY: $(yaml-quote ${ETCD_CA_KEY_BASE64:-}) |
| ETCD_CA_CERT: $(yaml-quote ${ETCD_CA_CERT_BASE64:-}) |
| ETCD_PEER_KEY: $(yaml-quote ${ETCD_PEER_KEY_BASE64:-}) |
| ETCD_PEER_CERT: $(yaml-quote ${ETCD_PEER_CERT_BASE64:-}) |
| ENCRYPTION_PROVIDER_CONFIG: $(yaml-quote ${ENCRYPTION_PROVIDER_CONFIG:-}) |
| SERVICEACCOUNT_ISSUER: $(yaml-quote ${SERVICEACCOUNT_ISSUER:-}) |
| EOF |
| # KUBE_APISERVER_REQUEST_TIMEOUT_SEC (if set) controls the --request-timeout |
| # flag |
| if [ -n "${KUBE_APISERVER_REQUEST_TIMEOUT_SEC:-}" ]; then |
| cat >>$file <<EOF |
| KUBE_APISERVER_REQUEST_TIMEOUT_SEC: $(yaml-quote ${KUBE_APISERVER_REQUEST_TIMEOUT_SEC}) |
| EOF |
| fi |
| # ETCD_IMAGE (if set) allows to use a custom etcd image. |
| if [ -n "${ETCD_IMAGE:-}" ]; then |
| cat >>$file <<EOF |
| ETCD_IMAGE: $(yaml-quote ${ETCD_IMAGE}) |
| EOF |
| fi |
| # ETCD_DOCKER_REPOSITORY (if set) allows to use a custom etcd docker repository to pull the etcd image from. |
| if [ -n "${ETCD_DOCKER_REPOSITORY:-}" ]; then |
| cat >>$file <<EOF |
| ETCD_DOCKER_REPOSITORY: $(yaml-quote ${ETCD_DOCKER_REPOSITORY}) |
| EOF |
| fi |
| # ETCD_VERSION (if set) allows you to use custom version of etcd. |
| # The main purpose of using it may be rollback of etcd v3 API, |
| # where we need 3.0.* image, but are rolling back to 2.3.7. |
| if [ -n "${ETCD_VERSION:-}" ]; then |
| cat >>$file <<EOF |
| ETCD_VERSION: $(yaml-quote ${ETCD_VERSION}) |
| EOF |
| fi |
| if [ -n "${ETCD_HOSTNAME:-}" ]; then |
| cat >>$file <<EOF |
| ETCD_HOSTNAME: $(yaml-quote ${ETCD_HOSTNAME}) |
| EOF |
| fi |
| if [ -n "${ETCD_LIVENESS_PROBE_INITIAL_DELAY_SEC:-}" ]; then |
| cat >>$file <<EOF |
| ETCD_LIVENESS_PROBE_INITIAL_DELAY_SEC: $(yaml-quote ${ETCD_LIVENESS_PROBE_INITIAL_DELAY_SEC}) |
| EOF |
| fi |
| if [ -n "${KUBE_APISERVER_LIVENESS_PROBE_INITIAL_DELAY_SEC:-}" ]; then |
| cat >>$file <<EOF |
| KUBE_APISERVER_LIVENESS_PROBE_INITIAL_DELAY_SEC: $(yaml-quote ${KUBE_APISERVER_LIVENESS_PROBE_INITIAL_DELAY_SEC}) |
| EOF |
| fi |
| if [ -n "${ETCD_COMPACTION_INTERVAL_SEC:-}" ]; then |
| cat >>$file <<EOF |
| ETCD_COMPACTION_INTERVAL_SEC: $(yaml-quote ${ETCD_COMPACTION_INTERVAL_SEC}) |
| EOF |
| fi |
| if [ -n "${ETCD_QUOTA_BACKEND_BYTES:-}" ]; then |
| cat >>$file <<EOF |
| ETCD_QUOTA_BACKEND_BYTES: $(yaml-quote ${ETCD_QUOTA_BACKEND_BYTES}) |
| EOF |
| fi |
| if [ -n "${ETCD_EXTRA_ARGS:-}" ]; then |
| cat >>$file <<EOF |
| ETCD_EXTRA_ARGS: $(yaml-quote ${ETCD_EXTRA_ARGS}) |
| EOF |
| fi |
| if [ -n "${ETCD_SERVERS:-}" ]; then |
| cat >>$file <<EOF |
| ETCD_SERVERS: $(yaml-quote ${ETCD_SERVERS}) |
| EOF |
| fi |
| if [ -n "${ETCD_SERVERS_OVERRIDES:-}" ]; then |
| cat >>$file <<EOF |
| ETCD_SERVERS_OVERRIDES: $(yaml-quote ${ETCD_SERVERS_OVERRIDES}) |
| EOF |
| fi |
| if [ -n "${APISERVER_TEST_ARGS:-}" ]; then |
| cat >>$file <<EOF |
| APISERVER_TEST_ARGS: $(yaml-quote ${APISERVER_TEST_ARGS}) |
| EOF |
| fi |
| if [ -n "${CONTROLLER_MANAGER_TEST_ARGS:-}" ]; then |
| cat >>$file <<EOF |
| CONTROLLER_MANAGER_TEST_ARGS: $(yaml-quote ${CONTROLLER_MANAGER_TEST_ARGS}) |
| EOF |
| fi |
| if [ -n "${CONTROLLER_MANAGER_TEST_LOG_LEVEL:-}" ]; then |
| cat >>$file <<EOF |
| CONTROLLER_MANAGER_TEST_LOG_LEVEL: $(yaml-quote ${CONTROLLER_MANAGER_TEST_LOG_LEVEL}) |
| EOF |
| fi |
| if [ -n "${SCHEDULER_TEST_ARGS:-}" ]; then |
| cat >>$file <<EOF |
| SCHEDULER_TEST_ARGS: $(yaml-quote ${SCHEDULER_TEST_ARGS}) |
| EOF |
| fi |
| if [ -n "${SCHEDULER_TEST_LOG_LEVEL:-}" ]; then |
| cat >>$file <<EOF |
| SCHEDULER_TEST_LOG_LEVEL: $(yaml-quote ${SCHEDULER_TEST_LOG_LEVEL}) |
| EOF |
| fi |
| if [ -n "${INITIAL_ETCD_CLUSTER:-}" ]; then |
| cat >>$file <<EOF |
| INITIAL_ETCD_CLUSTER: $(yaml-quote ${INITIAL_ETCD_CLUSTER}) |
| EOF |
| fi |
| if [ -n "${INITIAL_ETCD_CLUSTER_STATE:-}" ]; then |
| cat >>$file <<EOF |
| INITIAL_ETCD_CLUSTER_STATE: $(yaml-quote ${INITIAL_ETCD_CLUSTER_STATE}) |
| EOF |
| fi |
| if [ -n "${CLUSTER_SIGNING_DURATION:-}" ]; then |
| cat >>$file <<EOF |
| CLUSTER_SIGNING_DURATION: $(yaml-quote ${CLUSTER_SIGNING_DURATION}) |
| EOF |
| fi |
| if [[ "${NODE_ACCELERATORS:-}" == *"type=nvidia"* ]]; then |
| cat >>$file <<EOF |
| ENABLE_NVIDIA_GPU_DEVICE_PLUGIN: $(yaml-quote "true") |
| EOF |
| fi |
| if [ -n "${ADDON_MANAGER_LEADER_ELECTION:-}" ]; then |
| cat >>$file <<EOF |
| ADDON_MANAGER_LEADER_ELECTION: $(yaml-quote ${ADDON_MANAGER_LEADER_ELECTION}) |
| EOF |
| fi |
| |
| else |
| # Node-only env vars. |
| cat >>$file <<EOF |
| KUBERNETES_MASTER: $(yaml-quote "false") |
| EXTRA_DOCKER_OPTS: $(yaml-quote ${EXTRA_DOCKER_OPTS:-}) |
| EOF |
| if [ -n "${KUBEPROXY_TEST_ARGS:-}" ]; then |
| cat >>$file <<EOF |
| KUBEPROXY_TEST_ARGS: $(yaml-quote ${KUBEPROXY_TEST_ARGS}) |
| EOF |
| fi |
| if [ -n "${KUBEPROXY_TEST_LOG_LEVEL:-}" ]; then |
| cat >>$file <<EOF |
| KUBEPROXY_TEST_LOG_LEVEL: $(yaml-quote ${KUBEPROXY_TEST_LOG_LEVEL}) |
| EOF |
| fi |
| fi |
| if [[ "${ENABLE_CLUSTER_AUTOSCALER}" == "true" ]]; then |
| cat >>$file <<EOF |
| ENABLE_CLUSTER_AUTOSCALER: $(yaml-quote ${ENABLE_CLUSTER_AUTOSCALER}) |
| AUTOSCALER_MIG_CONFIG: $(yaml-quote ${AUTOSCALER_MIG_CONFIG}) |
| AUTOSCALER_EXPANDER_CONFIG: $(yaml-quote ${AUTOSCALER_EXPANDER_CONFIG}) |
| EOF |
| if [[ "${master}" == "false" ]]; then |
| # TODO(kubernetes/autoscaler#718): AUTOSCALER_ENV_VARS is a hotfix for cluster autoscaler, |
| # which reads the kube-env to determine the shape of a node and was broken by #60020. |
| # This should be removed as soon as a more reliable source of information is available! |
| local node_labels=$(build-node-labels false) |
| local node_taints="${NODE_TAINTS:-}" |
| local autoscaler_env_vars="node_labels=${node_labels};node_taints=${node_taints}" |
| cat >>$file <<EOF |
| AUTOSCALER_ENV_VARS: $(yaml-quote ${autoscaler_env_vars}) |
| EOF |
| fi |
| fi |
| if [ -n "${SCHEDULING_ALGORITHM_PROVIDER:-}" ]; then |
| cat >>$file <<EOF |
| SCHEDULING_ALGORITHM_PROVIDER: $(yaml-quote ${SCHEDULING_ALGORITHM_PROVIDER}) |
| EOF |
| fi |
| if [ -n "${MAX_PODS_PER_NODE:-}" ]; then |
| cat >>$file <<EOF |
| MAX_PODS_PER_NODE: $(yaml-quote ${MAX_PODS_PER_NODE}) |
| EOF |
| fi |
| } |
| |
| function sha1sum-file() { |
| if which sha1sum >/dev/null 2>&1; then |
| sha1sum "$1" | awk '{ print $1 }' |
| else |
| shasum -a1 "$1" | awk '{ print $1 }' |
| fi |
| } |
| |
| # Create certificate pairs for the cluster. |
| # $1: The public IP for the master. |
| # |
| # These are used for static cert distribution (e.g. static clustering) at |
| # cluster creation time. This will be obsoleted once we implement dynamic |
| # clustering. |
| # |
| # The following certificate pairs are created: |
| # |
| # - ca (the cluster's certificate authority) |
| # - server |
| # - kubelet |
| # - kubecfg (for kubectl) |
| # |
| # TODO(roberthbailey): Replace easyrsa with a simple Go program to generate |
| # the certs that we need. |
| # |
| # Assumed vars |
| # KUBE_TEMP |
| # MASTER_NAME |
| # |
| # Vars set: |
| # CERT_DIR |
| # CA_CERT_BASE64 |
| # MASTER_CERT_BASE64 |
| # MASTER_KEY_BASE64 |
| # KUBELET_CERT_BASE64 |
| # KUBELET_KEY_BASE64 |
| # KUBECFG_CERT_BASE64 |
| # KUBECFG_KEY_BASE64 |
| function create-certs { |
| local -r primary_cn="${1}" |
| |
| # Determine extra certificate names for master |
| local octets=($(echo "${SERVICE_CLUSTER_IP_RANGE}" | sed -e 's|/.*||' -e 's/\./ /g')) |
| ((octets[3]+=1)) |
| local -r service_ip=$(echo "${octets[*]}" | sed 's/ /./g') |
| local sans="" |
| for extra in $@; do |
| if [[ -n "${extra}" ]]; then |
| sans="${sans}IP:${extra}," |
| fi |
| done |
| sans="${sans}IP:${service_ip},DNS:kubernetes,DNS:kubernetes.default,DNS:kubernetes.default.svc,DNS:kubernetes.default.svc.${DNS_DOMAIN},DNS:${MASTER_NAME}" |
| |
| echo "Generating certs for alternate-names: ${sans}" |
| |
| setup-easyrsa |
| PRIMARY_CN="${primary_cn}" SANS="${sans}" generate-certs |
| AGGREGATOR_PRIMARY_CN="${primary_cn}" AGGREGATOR_SANS="${sans}" generate-aggregator-certs |
| |
| # By default, linux wraps base64 output every 76 cols, so we use 'tr -d' to remove whitespaces. |
| # Note 'base64 -w0' doesn't work on Mac OS X, which has different flags. |
| CA_KEY_BASE64=$(cat "${CERT_DIR}/pki/private/ca.key" | base64 | tr -d '\r\n') |
| CA_CERT_BASE64=$(cat "${CERT_DIR}/pki/ca.crt" | base64 | tr -d '\r\n') |
| MASTER_CERT_BASE64=$(cat "${CERT_DIR}/pki/issued/${MASTER_NAME}.crt" | base64 | tr -d '\r\n') |
| MASTER_KEY_BASE64=$(cat "${CERT_DIR}/pki/private/${MASTER_NAME}.key" | base64 | tr -d '\r\n') |
| KUBELET_CERT_BASE64=$(cat "${CERT_DIR}/pki/issued/kubelet.crt" | base64 | tr -d '\r\n') |
| KUBELET_KEY_BASE64=$(cat "${CERT_DIR}/pki/private/kubelet.key" | base64 | tr -d '\r\n') |
| KUBECFG_CERT_BASE64=$(cat "${CERT_DIR}/pki/issued/kubecfg.crt" | base64 | tr -d '\r\n') |
| KUBECFG_KEY_BASE64=$(cat "${CERT_DIR}/pki/private/kubecfg.key" | base64 | tr -d '\r\n') |
| KUBEAPISERVER_CERT_BASE64=$(cat "${CERT_DIR}/pki/issued/kube-apiserver.crt" | base64 | tr -d '\r\n') |
| KUBEAPISERVER_KEY_BASE64=$(cat "${CERT_DIR}/pki/private/kube-apiserver.key" | base64 | tr -d '\r\n') |
| |
| # Setting up an addition directory (beyond pki) as it is the simplest way to |
| # ensure we get a different CA pair to sign the proxy-client certs and which |
| # we can send CA public key to the user-apiserver to validate communication. |
| AGGREGATOR_CA_KEY_BASE64=$(cat "${AGGREGATOR_CERT_DIR}/pki/private/ca.key" | base64 | tr -d '\r\n') |
| REQUESTHEADER_CA_CERT_BASE64=$(cat "${AGGREGATOR_CERT_DIR}/pki/ca.crt" | base64 | tr -d '\r\n') |
| PROXY_CLIENT_CERT_BASE64=$(cat "${AGGREGATOR_CERT_DIR}/pki/issued/proxy-client.crt" | base64 | tr -d '\r\n') |
| PROXY_CLIENT_KEY_BASE64=$(cat "${AGGREGATOR_CERT_DIR}/pki/private/proxy-client.key" | base64 | tr -d '\r\n') |
| } |
| |
| # Set up easy-rsa directory structure. |
| # |
| # Assumed vars |
| # KUBE_TEMP |
| # |
| # Vars set: |
| # CERT_DIR |
| # AGGREGATOR_CERT_DIR |
| function setup-easyrsa { |
| local -r cert_create_debug_output=$(mktemp "${KUBE_TEMP}/cert_create_debug_output.XXX") |
| # Note: This was heavily cribbed from make-ca-cert.sh |
| (set -x |
| cd "${KUBE_TEMP}" |
| curl -L -O --connect-timeout 20 --retry 6 --retry-delay 2 https://storage.googleapis.com/kubernetes-release/easy-rsa/easy-rsa.tar.gz |
| tar xzf easy-rsa.tar.gz |
| mkdir easy-rsa-master/kubelet |
| cp -r easy-rsa-master/easyrsa3/* easy-rsa-master/kubelet |
| mkdir easy-rsa-master/aggregator |
| cp -r easy-rsa-master/easyrsa3/* easy-rsa-master/aggregator) &>${cert_create_debug_output} || true |
| CERT_DIR="${KUBE_TEMP}/easy-rsa-master/easyrsa3" |
| AGGREGATOR_CERT_DIR="${KUBE_TEMP}/easy-rsa-master/aggregator" |
| if [ ! -x "${CERT_DIR}/easyrsa" -o ! -x "${AGGREGATOR_CERT_DIR}/easyrsa" ]; then |
| # TODO(roberthbailey,porridge): add better error handling here, |
| # see https://github.com/kubernetes/kubernetes/issues/55229 |
| cat "${cert_create_debug_output}" >&2 |
| echo "=== Failed to setup easy-rsa: Aborting ===" >&2 |
| exit 2 |
| fi |
| } |
| |
| # Runs the easy RSA commands to generate certificate files. |
| # The generated files are IN ${CERT_DIR} |
| # |
| # Assumed vars |
| # KUBE_TEMP |
| # MASTER_NAME |
| # CERT_DIR |
| # PRIMARY_CN: Primary canonical name |
| # SANS: Subject alternate names |
| # |
| # |
| function generate-certs { |
| local -r cert_create_debug_output=$(mktemp "${KUBE_TEMP}/cert_create_debug_output.XXX") |
| # Note: This was heavily cribbed from make-ca-cert.sh |
| (set -x |
| cd "${CERT_DIR}" |
| ./easyrsa init-pki |
| # this puts the cert into pki/ca.crt and the key into pki/private/ca.key |
| ./easyrsa --batch "--req-cn=${PRIMARY_CN}@$(date +%s)" build-ca nopass |
| ./easyrsa --subject-alt-name="${SANS}" build-server-full "${MASTER_NAME}" nopass |
| ./easyrsa build-client-full kube-apiserver nopass |
| |
| kube::util::ensure-cfssl "${KUBE_TEMP}/cfssl" |
| |
| # make the config for the signer |
| echo '{"signing":{"default":{"expiry":"43800h","usages":["signing","key encipherment","client auth"]}}}' > "ca-config.json" |
| # create the kubelet client cert with the correct groups |
| echo '{"CN":"kubelet","names":[{"O":"system:nodes"}],"hosts":[""],"key":{"algo":"rsa","size":2048}}' | "${CFSSL_BIN}" gencert -ca=pki/ca.crt -ca-key=pki/private/ca.key -config=ca-config.json - | "${CFSSLJSON_BIN}" -bare kubelet |
| mv "kubelet-key.pem" "pki/private/kubelet.key" |
| mv "kubelet.pem" "pki/issued/kubelet.crt" |
| rm -f "kubelet.csr" |
| |
| # Make a superuser client cert with subject "O=system:masters, CN=kubecfg" |
| ./easyrsa --dn-mode=org \ |
| --req-cn=kubecfg --req-org=system:masters \ |
| --req-c= --req-st= --req-city= --req-email= --req-ou= \ |
| build-client-full kubecfg nopass) &>${cert_create_debug_output} || true |
| local output_file_missing=0 |
| local output_file |
| for output_file in \ |
| "${CERT_DIR}/pki/private/ca.key" \ |
| "${CERT_DIR}/pki/ca.crt" \ |
| "${CERT_DIR}/pki/issued/${MASTER_NAME}.crt" \ |
| "${CERT_DIR}/pki/private/${MASTER_NAME}.key" \ |
| "${CERT_DIR}/pki/issued/kubelet.crt" \ |
| "${CERT_DIR}/pki/private/kubelet.key" \ |
| "${CERT_DIR}/pki/issued/kubecfg.crt" \ |
| "${CERT_DIR}/pki/private/kubecfg.key" \ |
| "${CERT_DIR}/pki/issued/kube-apiserver.crt" \ |
| "${CERT_DIR}/pki/private/kube-apiserver.key" |
| do |
| if [[ ! -s "${output_file}" ]]; then |
| echo "Expected file ${output_file} not created" >&2 |
| output_file_missing=1 |
| fi |
| done |
| if (( $output_file_missing )); then |
| # TODO(roberthbailey,porridge): add better error handling here, |
| # see https://github.com/kubernetes/kubernetes/issues/55229 |
| cat "${cert_create_debug_output}" >&2 |
| echo "=== Failed to generate master certificates: Aborting ===" >&2 |
| exit 2 |
| fi |
| } |
| |
| # Runs the easy RSA commands to generate aggregator certificate files. |
| # The generated files are in ${AGGREGATOR_CERT_DIR} |
| # |
| # Assumed vars |
| # KUBE_TEMP |
| # AGGREGATOR_MASTER_NAME |
| # AGGREGATOR_CERT_DIR |
| # AGGREGATOR_PRIMARY_CN: Primary canonical name |
| # AGGREGATOR_SANS: Subject alternate names |
| # |
| # |
| function generate-aggregator-certs { |
| local -r cert_create_debug_output=$(mktemp "${KUBE_TEMP}/cert_create_debug_output.XXX") |
| # Note: This was heavily cribbed from make-ca-cert.sh |
| (set -x |
| cd "${KUBE_TEMP}/easy-rsa-master/aggregator" |
| ./easyrsa init-pki |
| # this puts the cert into pki/ca.crt and the key into pki/private/ca.key |
| ./easyrsa --batch "--req-cn=${AGGREGATOR_PRIMARY_CN}@$(date +%s)" build-ca nopass |
| ./easyrsa --subject-alt-name="${AGGREGATOR_SANS}" build-server-full "${AGGREGATOR_MASTER_NAME}" nopass |
| ./easyrsa build-client-full aggregator-apiserver nopass |
| |
| kube::util::ensure-cfssl "${KUBE_TEMP}/cfssl" |
| |
| # make the config for the signer |
| echo '{"signing":{"default":{"expiry":"43800h","usages":["signing","key encipherment","client auth"]}}}' > "ca-config.json" |
| # create the aggregator client cert with the correct groups |
| echo '{"CN":"aggregator","hosts":[""],"key":{"algo":"rsa","size":2048}}' | "${CFSSL_BIN}" gencert -ca=pki/ca.crt -ca-key=pki/private/ca.key -config=ca-config.json - | "${CFSSLJSON_BIN}" -bare proxy-client |
| mv "proxy-client-key.pem" "pki/private/proxy-client.key" |
| mv "proxy-client.pem" "pki/issued/proxy-client.crt" |
| rm -f "proxy-client.csr" |
| |
| # Make a superuser client cert with subject "O=system:masters, CN=kubecfg" |
| ./easyrsa --dn-mode=org \ |
| --req-cn=proxy-clientcfg --req-org=system:aggregator \ |
| --req-c= --req-st= --req-city= --req-email= --req-ou= \ |
| build-client-full proxy-clientcfg nopass) &>${cert_create_debug_output} || true |
| local output_file_missing=0 |
| local output_file |
| for output_file in \ |
| "${AGGREGATOR_CERT_DIR}/pki/private/ca.key" \ |
| "${AGGREGATOR_CERT_DIR}/pki/ca.crt" \ |
| "${AGGREGATOR_CERT_DIR}/pki/issued/proxy-client.crt" \ |
| "${AGGREGATOR_CERT_DIR}/pki/private/proxy-client.key" |
| do |
| if [[ ! -s "${output_file}" ]]; then |
| echo "Expected file ${output_file} not created" >&2 |
| output_file_missing=1 |
| fi |
| done |
| if (( $output_file_missing )); then |
| # TODO(roberthbailey,porridge): add better error handling here, |
| # see https://github.com/kubernetes/kubernetes/issues/55229 |
| cat "${cert_create_debug_output}" >&2 |
| echo "=== Failed to generate aggregator certificates: Aborting ===" >&2 |
| exit 2 |
| fi |
| } |
| |
| # |
| # Using provided master env, extracts value from provided key. |
| # |
| # Args: |
| # $1 master env (kube-env of master; result of calling get-master-env) |
| # $2 env key to use |
| function get-env-val() { |
| local match=`(echo "${1}" | grep -E "^${2}:") || echo ""` |
| if [[ -z ${match} ]]; then |
| echo "" |
| fi |
| echo ${match} | cut -d : -f 2 | cut -d \' -f 2 |
| } |
| |
| # Load the master env by calling get-master-env, and extract important values |
| function parse-master-env() { |
| # Get required master env vars |
| local master_env=$(get-master-env) |
| KUBE_PROXY_TOKEN=$(get-env-val "${master_env}" "KUBE_PROXY_TOKEN") |
| NODE_PROBLEM_DETECTOR_TOKEN=$(get-env-val "${master_env}" "NODE_PROBLEM_DETECTOR_TOKEN") |
| CA_CERT_BASE64=$(get-env-val "${master_env}" "CA_CERT") |
| CA_KEY_BASE64=$(get-env-val "${master_env}" "CA_KEY") |
| KUBEAPISERVER_CERT_BASE64=$(get-env-val "${master_env}" "KUBEAPISERVER_CERT") |
| KUBEAPISERVER_KEY_BASE64=$(get-env-val "${master_env}" "KUBEAPISERVER_KEY") |
| EXTRA_DOCKER_OPTS=$(get-env-val "${master_env}" "EXTRA_DOCKER_OPTS") |
| KUBELET_CERT_BASE64=$(get-env-val "${master_env}" "KUBELET_CERT") |
| KUBELET_KEY_BASE64=$(get-env-val "${master_env}" "KUBELET_KEY") |
| MASTER_CERT_BASE64=$(get-env-val "${master_env}" "MASTER_CERT") |
| MASTER_KEY_BASE64=$(get-env-val "${master_env}" "MASTER_KEY") |
| AGGREGATOR_CA_KEY_BASE64=$(get-env-val "${master_env}" "AGGREGATOR_CA_KEY") |
| REQUESTHEADER_CA_CERT_BASE64=$(get-env-val "${master_env}" "REQUESTHEADER_CA_CERT") |
| PROXY_CLIENT_CERT_BASE64=$(get-env-val "${master_env}" "PROXY_CLIENT_CERT") |
| PROXY_CLIENT_KEY_BASE64=$(get-env-val "${master_env}" "PROXY_CLIENT_KEY") |
| ENABLE_LEGACY_ABAC=$(get-env-val "${master_env}" "ENABLE_LEGACY_ABAC") |
| } |
| |
| # Update or verify required gcloud components are installed |
| # at minimum required version. |
| # Assumed vars |
| # KUBE_PROMPT_FOR_UPDATE |
| function update-or-verify-gcloud() { |
| local sudo_prefix="" |
| if [ ! -w $(dirname `which gcloud`) ]; then |
| sudo_prefix="sudo" |
| fi |
| # update and install components as needed |
| if [[ "${KUBE_PROMPT_FOR_UPDATE}" == "y" ]]; then |
| ${sudo_prefix} gcloud ${gcloud_prompt:-} components install alpha |
| ${sudo_prefix} gcloud ${gcloud_prompt:-} components install beta |
| ${sudo_prefix} gcloud ${gcloud_prompt:-} components update |
| else |
| local version=$(gcloud version --format=json) |
| python -c' |
| import json,sys |
| from distutils import version |
| |
| minVersion = version.LooseVersion("1.3.0") |
| required = [ "alpha", "beta", "core" ] |
| data = json.loads(sys.argv[1]) |
| rel = data.get("Google Cloud SDK") |
| if "CL @" in rel: |
| print("Using dev version of gcloud: %s" %rel) |
| exit(0) |
| if rel != "HEAD" and version.LooseVersion(rel) < minVersion: |
| print("gcloud version out of date ( < %s )" % minVersion) |
| exit(1) |
| missing = [] |
| for c in required: |
| if not data.get(c): |
| missing += [c] |
| if missing: |
| for c in missing: |
| print ("missing required gcloud component \"{0}\"".format(c)) |
| exit(1) |
| ' """${version}""" |
| fi |
| } |
| |
| # Robustly try to create a static ip. |
| # $1: The name of the ip to create |
| # $2: The name of the region to create the ip in. |
| function create-static-ip() { |
| detect-project |
| local attempt=0 |
| local REGION="$2" |
| while true; do |
| if gcloud compute addresses create "$1" \ |
| --project "${PROJECT}" \ |
| --region "${REGION}" -q > /dev/null; then |
| # successful operation - wait until it's visible |
| start="$(date +%s)" |
| while true; do |
| now="$(date +%s)" |
| # Timeout set to 15 minutes |
| if [[ $((now - start)) -gt 900 ]]; then |
| echo "Timeout while waiting for master IP visibility" |
| exit 2 |
| fi |
| if gcloud compute addresses describe "$1" --project "${PROJECT}" --region "${REGION}" >/dev/null 2>&1; then |
| break |
| fi |
| echo "Master IP not visible yet. Waiting..." |
| sleep 5 |
| done |
| break |
| fi |
| |
| if gcloud compute addresses describe "$1" \ |
| --project "${PROJECT}" \ |
| --region "${REGION}" >/dev/null 2>&1; then |
| # it exists - postcondition satisfied |
| break |
| fi |
| |
| if (( attempt > 4 )); then |
| echo -e "${color_red}Failed to create static ip $1 ${color_norm}" >&2 |
| exit 2 |
| fi |
| attempt=$(($attempt+1)) |
| echo -e "${color_yellow}Attempt $attempt failed to create static ip $1. Retrying.${color_norm}" >&2 |
| sleep $(($attempt * 5)) |
| done |
| } |
| |
| # Robustly try to create a firewall rule. |
| # $1: The name of firewall rule. |
| # $2: IP ranges. |
| # $3: Target tags for this firewall rule. |
| function create-firewall-rule() { |
| detect-project |
| local attempt=0 |
| while true; do |
| if ! gcloud compute firewall-rules create "$1" \ |
| --project "${NETWORK_PROJECT}" \ |
| --network "${NETWORK}" \ |
| --source-ranges "$2" \ |
| --target-tags "$3" \ |
| --allow tcp,udp,icmp,esp,ah,sctp; then |
| if (( attempt > 4 )); then |
| echo -e "${color_red}Failed to create firewall rule $1 ${color_norm}" >&2 |
| exit 2 |
| fi |
| echo -e "${color_yellow}Attempt $(($attempt+1)) failed to create firewall rule $1. Retrying.${color_norm}" >&2 |
| attempt=$(($attempt+1)) |
| sleep $(($attempt * 5)) |
| else |
| break |
| fi |
| done |
| } |
| |
| # Format the string argument for gcloud network. |
| function make-gcloud-network-argument() { |
| local network_project="$1" |
| local region="$2" |
| local network="$3" |
| local subnet="$4" |
| local address="$5" # optional |
| local enable_ip_alias="$6" # optional |
| local alias_size="$7" # optional |
| |
| local networkURL="projects/${network_project}/global/networks/${network}" |
| local subnetURL="projects/${network_project}/regions/${region}/subnetworks/${subnet:-}" |
| |
| local ret="" |
| |
| if [[ "${enable_ip_alias}" == 'true' ]]; then |
| ret="--network-interface" |
| ret="${ret} network=${networkURL}" |
| # If address is omitted, instance will not receive an external IP. |
| ret="${ret},address=${address:-}" |
| ret="${ret},subnet=${subnetURL}" |
| ret="${ret},aliases=pods-default:${alias_size}" |
| ret="${ret} --no-can-ip-forward" |
| else |
| if [[ -n ${subnet:-} ]]; then |
| ret="${ret} --subnet ${subnetURL}" |
| else |
| ret="${ret} --network ${networkURL}" |
| fi |
| |
| ret="${ret} --can-ip-forward" |
| if [[ -n ${address:-} ]]; then |
| ret="${ret} --address ${address}" |
| fi |
| fi |
| |
| echo "${ret}" |
| } |
| |
| # $1: version (required) |
| function get-template-name-from-version() { |
| # trim template name to pass gce name validation |
| echo "${NODE_INSTANCE_PREFIX}-template-${1}" | cut -c 1-63 | sed 's/[\.\+]/-/g;s/-*$//g' |
| } |
| |
| # validates the NODE_LOCAL_SSDS_EXT variable |
| function validate-node-local-ssds-ext(){ |
| ssdopts="${1}" |
| |
| if [[ -z "${ssdopts[0]}" || -z "${ssdopts[1]}" || -z "${ssdopts[2]}" ]]; then |
| echo -e "${color_red}Local SSD: NODE_LOCAL_SSDS_EXT is malformed, found ${ssdopts[0]-_},${ssdopts[1]-_},${ssdopts[2]-_} ${color_norm}" >&2 |
| exit 2 |
| fi |
| if [[ "${ssdopts[1]}" != "scsi" && "${ssdopts[1]}" != "nvme" ]]; then |
| echo -e "${color_red}Local SSD: Interface must be scsi or nvme, found: ${ssdopts[1]} ${color_norm}" >&2 |
| exit 2 |
| fi |
| if [[ "${ssdopts[2]}" != "fs" && "${ssdopts[2]}" != "block" ]]; then |
| echo -e "${color_red}Local SSD: Filesystem type must be fs or block, found: ${ssdopts[2]} ${color_norm}" >&2 |
| exit 2 |
| fi |
| local_ssd_ext_count=$((local_ssd_ext_count+ssdopts[0])) |
| if [[ "${local_ssd_ext_count}" -gt "${GCE_MAX_LOCAL_SSD}" || "${local_ssd_ext_count}" -lt 1 ]]; then |
| echo -e "${color_red}Local SSD: Total number of local ssds must range from 1 to 8, found: ${local_ssd_ext_count} ${color_norm}" >&2 |
| exit 2 |
| fi |
| } |
| |
| # Robustly try to create an instance template. |
| # $1: The name of the instance template. |
| # $2: The scopes flag. |
| # $3: String of comma-separated metadata entries (must all be from a file). |
| function create-node-template() { |
| detect-project |
| detect-subnetworks |
| local template_name="$1" |
| |
| # First, ensure the template doesn't exist. |
| # TODO(zmerlynn): To make this really robust, we need to parse the output and |
| # add retries. Just relying on a non-zero exit code doesn't |
| # distinguish an ephemeral failed call from a "not-exists". |
| if gcloud compute instance-templates describe "$template_name" --project "${PROJECT}" &>/dev/null; then |
| echo "Instance template ${1} already exists; deleting." >&2 |
| if ! gcloud compute instance-templates delete "$template_name" --project "${PROJECT}" --quiet &>/dev/null; then |
| echo -e "${color_yellow}Failed to delete existing instance template${color_norm}" >&2 |
| exit 2 |
| fi |
| fi |
| |
| local gcloud="gcloud" |
| |
| local accelerator_args="" |
| # VMs with Accelerators cannot be live migrated. |
| # More details here - https://cloud.google.com/compute/docs/gpus/add-gpus#create-new-gpu-instance |
| if [[ ! -z "${NODE_ACCELERATORS}" ]]; then |
| accelerator_args="--maintenance-policy TERMINATE --restart-on-failure --accelerator ${NODE_ACCELERATORS}" |
| gcloud="gcloud beta" |
| fi |
| |
| local preemptible_minions="" |
| if [[ "${PREEMPTIBLE_NODE}" == "true" ]]; then |
| preemptible_minions="--preemptible --maintenance-policy TERMINATE" |
| fi |
| |
| local local_ssds="" |
| local_ssd_ext_count=0 |
| if [[ ! -z ${NODE_LOCAL_SSDS_EXT:-} ]]; then |
| IFS=";" read -r -a ssdgroups <<< "${NODE_LOCAL_SSDS_EXT:-}" |
| for ssdgroup in "${ssdgroups[@]}" |
| do |
| IFS="," read -r -a ssdopts <<< "${ssdgroup}" |
| validate-node-local-ssds-ext "${ssdopts}" |
| for i in $(seq ${ssdopts[0]}); do |
| local_ssds="$local_ssds--local-ssd=interface=${ssdopts[1]} " |
| done |
| done |
| fi |
| |
| if [[ ! -z ${NODE_LOCAL_SSDS+x} ]]; then |
| # The NODE_LOCAL_SSDS check below fixes issue #49171 |
| # Some versions of seq will count down from 1 if "seq 0" is specified |
| if [[ ${NODE_LOCAL_SSDS} -ge 1 ]]; then |
| for i in $(seq ${NODE_LOCAL_SSDS}); do |
| local_ssds="$local_ssds--local-ssd=interface=SCSI " |
| done |
| fi |
| fi |
| |
| |
| local network=$(make-gcloud-network-argument \ |
| "${NETWORK_PROJECT}" \ |
| "${REGION}" \ |
| "${NETWORK}" \ |
| "${SUBNETWORK:-}" \ |
| "" \ |
| "${ENABLE_IP_ALIASES:-}" \ |
| "${IP_ALIAS_SIZE:-}") |
| |
| local attempt=1 |
| while true; do |
| echo "Attempt ${attempt} to create ${1}" >&2 |
| if ! ${gcloud} compute instance-templates create \ |
| "$template_name" \ |
| --project "${PROJECT}" \ |
| --machine-type "${NODE_SIZE}" \ |
| --boot-disk-type "${NODE_DISK_TYPE}" \ |
| --boot-disk-size "${NODE_DISK_SIZE}" \ |
| --image-project="${NODE_IMAGE_PROJECT}" \ |
| --image "${NODE_IMAGE}" \ |
| --service-account "${NODE_SERVICE_ACCOUNT}" \ |
| --tags "${NODE_TAG}" \ |
| ${accelerator_args} \ |
| ${local_ssds} \ |
| --region "${REGION}" \ |
| ${network} \ |
| ${preemptible_minions} \ |
| $2 \ |
| --metadata-from-file $3 >&2; then |
| if (( attempt > 5 )); then |
| echo -e "${color_red}Failed to create instance template $template_name ${color_norm}" >&2 |
| exit 2 |
| fi |
| echo -e "${color_yellow}Attempt ${attempt} failed to create instance template $template_name. Retrying.${color_norm}" >&2 |
| attempt=$(($attempt+1)) |
| sleep $(($attempt * 5)) |
| |
| # In case the previous attempt failed with something like a |
| # Backend Error and left the entry laying around, delete it |
| # before we try again. |
| gcloud compute instance-templates delete "$template_name" --project "${PROJECT}" &>/dev/null || true |
| else |
| break |
| fi |
| done |
| } |
| |
| # Instantiate a kubernetes cluster |
| # |
| # Assumed vars |
| # KUBE_ROOT |
| # <Various vars set in config file> |
| function kube-up() { |
| kube::util::ensure-temp-dir |
| detect-project |
| |
| load-or-gen-kube-basicauth |
| load-or-gen-kube-bearertoken |
| |
| # Make sure we have the tar files staged on Google Storage |
| find-release-tars |
| upload-server-tars |
| |
| # ensure that environmental variables specifying number of migs to create |
| set_num_migs |
| |
| if [[ ${KUBE_USE_EXISTING_MASTER:-} == "true" ]]; then |
| detect-master |
| parse-master-env |
| create-subnetworks |
| detect-subnetworks |
| create-nodes |
| elif [[ ${KUBE_REPLICATE_EXISTING_MASTER:-} == "true" ]]; then |
| if [[ "${MASTER_OS_DISTRIBUTION}" != "gci" && "${MASTER_OS_DISTRIBUTION}" != "ubuntu" ]]; then |
| echo "Master replication supported only for gci and ubuntu" |
| return 1 |
| fi |
| create-loadbalancer |
| # If replication of master fails, we need to ensure that the replica is removed from etcd clusters. |
| if ! replicate-master; then |
| remove-replica-from-etcd 2379 || true |
| remove-replica-from-etcd 4002 || true |
| fi |
| else |
| check-existing |
| create-network |
| create-subnetworks |
| detect-subnetworks |
| write-cluster-location |
| write-cluster-name |
| create-autoscaler-config |
| create-master |
| create-nodes-firewall |
| create-nodes-template |
| create-nodes |
| check-cluster |
| fi |
| } |
| |
| function check-existing() { |
| local running_in_terminal=false |
| # May be false if tty is not allocated (for example with ssh -T). |
| if [[ -t 1 ]]; then |
| running_in_terminal=true |
| fi |
| |
| if [[ ${running_in_terminal} == "true" || ${KUBE_UP_AUTOMATIC_CLEANUP} == "true" ]]; then |
| if ! check-resources; then |
| local run_kube_down="n" |
| echo "${KUBE_RESOURCE_FOUND} found." >&2 |
| # Get user input only if running in terminal. |
| if [[ ${running_in_terminal} == "true" && ${KUBE_UP_AUTOMATIC_CLEANUP} == "false" ]]; then |
| read -p "Would you like to shut down the old cluster (call kube-down)? [y/N] " run_kube_down |
| fi |
| if [[ ${run_kube_down} == "y" || ${run_kube_down} == "Y" || ${KUBE_UP_AUTOMATIC_CLEANUP} == "true" ]]; then |
| echo "... calling kube-down" >&2 |
| kube-down |
| fi |
| fi |
| fi |
| } |
| |
| function check-network-mode() { |
| local mode="$(gcloud compute networks list --filter="name=('${NETWORK}')" --project ${NETWORK_PROJECT} --format='value(x_gcloud_subnet_mode)' || true)" |
| # The deprecated field uses lower case. Convert to upper case for consistency. |
| echo "$(echo $mode | tr [a-z] [A-Z])" |
| } |
| |
| function create-network() { |
| if ! gcloud compute networks --project "${NETWORK_PROJECT}" describe "${NETWORK}" &>/dev/null; then |
| # The network needs to be created synchronously or we have a race. The |
| # firewalls can be added concurrent with instance creation. |
| local network_mode="auto" |
| if [[ "${CREATE_CUSTOM_NETWORK:-}" == "true" ]]; then |
| network_mode="custom" |
| fi |
| echo "Creating new ${network_mode} network: ${NETWORK}" |
| gcloud compute networks create --project "${NETWORK_PROJECT}" "${NETWORK}" --subnet-mode="${network_mode}" |
| else |
| PREEXISTING_NETWORK=true |
| PREEXISTING_NETWORK_MODE="$(check-network-mode)" |
| echo "Found existing network ${NETWORK} in ${PREEXISTING_NETWORK_MODE} mode." |
| fi |
| |
| if ! gcloud compute firewall-rules --project "${NETWORK_PROJECT}" describe "${CLUSTER_NAME}-default-internal-master" &>/dev/null; then |
| gcloud compute firewall-rules create "${CLUSTER_NAME}-default-internal-master" \ |
| --project "${NETWORK_PROJECT}" \ |
| --network "${NETWORK}" \ |
| --source-ranges "10.0.0.0/8" \ |
| --allow "tcp:1-2379,tcp:2382-65535,udp:1-65535,icmp" \ |
| --target-tags "${MASTER_TAG}"& |
| fi |
| |
| if ! gcloud compute firewall-rules --project "${NETWORK_PROJECT}" describe "${CLUSTER_NAME}-default-internal-node" &>/dev/null; then |
| gcloud compute firewall-rules create "${CLUSTER_NAME}-default-internal-node" \ |
| --project "${NETWORK_PROJECT}" \ |
| --network "${NETWORK}" \ |
| --source-ranges "10.0.0.0/8" \ |
| --allow "tcp:1-65535,udp:1-65535,icmp" \ |
| --target-tags "${NODE_TAG}"& |
| fi |
| |
| if ! gcloud compute firewall-rules describe --project "${NETWORK_PROJECT}" "${NETWORK}-default-ssh" &>/dev/null; then |
| gcloud compute firewall-rules create "${NETWORK}-default-ssh" \ |
| --project "${NETWORK_PROJECT}" \ |
| --network "${NETWORK}" \ |
| --source-ranges "0.0.0.0/0" \ |
| --allow "tcp:22" & |
| fi |
| } |
| |
| function expand-default-subnetwork() { |
| gcloud compute networks update "${NETWORK}" \ |
| --switch-to-custom-subnet-mode \ |
| --project "${NETWORK_PROJECT}" \ |
| --quiet || true |
| gcloud compute networks subnets expand-ip-range "${NETWORK}" \ |
| --region="${REGION}" \ |
| --project "${NETWORK_PROJECT}" \ |
| --prefix-length=19 \ |
| --quiet |
| } |
| |
| function create-subnetworks() { |
| case ${ENABLE_IP_ALIASES} in |
| true) echo "IP aliases are enabled. Creating subnetworks.";; |
| false) |
| echo "IP aliases are disabled." |
| if [[ "${ENABLE_BIG_CLUSTER_SUBNETS}" = "true" ]]; then |
| if [[ "${PREEXISTING_NETWORK}" != "true" ]]; then |
| expand-default-subnetwork |
| else |
| echo "${color_yellow}Using pre-existing network ${NETWORK}, subnets won't be expanded to /19!${color_norm}" |
| fi |
| elif [[ "${CREATE_CUSTOM_NETWORK:-}" == "true" && "${PREEXISTING_NETWORK}" != "true" ]]; then |
| gcloud compute networks subnets create "${SUBNETWORK}" --project "${NETWORK_PROJECT}" --region "${REGION}" --network "${NETWORK}" --range "${NODE_IP_RANGE}" |
| fi |
| return;; |
| *) echo "${color_red}Invalid argument to ENABLE_IP_ALIASES${color_norm}" |
| exit 1;; |
| esac |
| |
| # Look for the alias subnet, it must exist and have a secondary |
| # range configured. |
| local subnet=$(gcloud compute networks subnets describe \ |
| --project "${NETWORK_PROJECT}" \ |
| --region ${REGION} \ |
| ${IP_ALIAS_SUBNETWORK} 2>/dev/null) |
| if [[ -z ${subnet} ]]; then |
| echo "Creating subnet ${NETWORK}:${IP_ALIAS_SUBNETWORK}" |
| gcloud compute networks subnets create \ |
| ${IP_ALIAS_SUBNETWORK} \ |
| --description "Automatically generated subnet for ${INSTANCE_PREFIX} cluster. This will be removed on cluster teardown." \ |
| --project "${NETWORK_PROJECT}" \ |
| --network ${NETWORK} \ |
| --region ${REGION} \ |
| --range ${NODE_IP_RANGE} \ |
| --secondary-range "pods-default=${CLUSTER_IP_RANGE}" \ |
| --secondary-range "services-default=${SERVICE_CLUSTER_IP_RANGE}" |
| echo "Created subnetwork ${IP_ALIAS_SUBNETWORK}" |
| else |
| if ! echo ${subnet} | grep --quiet secondaryIpRanges; then |
| echo "${color_red}Subnet ${IP_ALIAS_SUBNETWORK} does not have a secondary range${color_norm}" |
| exit 1 |
| fi |
| fi |
| } |
| |
| # detect-subnetworks sets the SUBNETWORK var if not already set |
| # Assumed vars: |
| # NETWORK |
| # REGION |
| # NETWORK_PROJECT |
| # |
| # Optional vars: |
| # SUBNETWORK |
| # IP_ALIAS_SUBNETWORK |
| function detect-subnetworks() { |
| if [[ -n ${SUBNETWORK:-} ]]; then |
| echo "Using subnet ${SUBNETWORK}" |
| return 0 |
| fi |
| |
| if [[ -n ${IP_ALIAS_SUBNETWORK:-} ]]; then |
| SUBNETWORK=${IP_ALIAS_SUBNETWORK} |
| echo "Using IP Alias subnet ${SUBNETWORK}" |
| return 0 |
| fi |
| |
| SUBNETWORK=$(gcloud compute networks subnets list \ |
| --network=${NETWORK} \ |
| --regions=${REGION} \ |
| --project=${NETWORK_PROJECT} \ |
| --limit=1 \ |
| --format='value(name)' 2>/dev/null) |
| |
| if [[ -n ${SUBNETWORK:-} ]]; then |
| echo "Found subnet for region ${REGION} in network ${NETWORK}: ${SUBNETWORK}" |
| return 0 |
| fi |
| |
| echo "${color_red}Could not find subnetwork with region ${REGION}, network ${NETWORK}, and project ${NETWORK_PROJECT}" |
| } |
| |
| function delete-all-firewall-rules() { |
| if fws=$(gcloud compute firewall-rules list --project "${NETWORK_PROJECT}" --filter="network=${NETWORK}" --format="value(name)"); then |
| echo "Deleting firewall rules remaining in network ${NETWORK}: ${fws}" |
| delete-firewall-rules "$fws" |
| else |
| echo "Failed to list firewall rules from the network ${NETWORK}" |
| fi |
| } |
| |
| function delete-firewall-rules() { |
| for fw in $@; do |
| if [[ -n $(gcloud compute firewall-rules --project "${NETWORK_PROJECT}" describe "${fw}" --format='value(name)' 2>/dev/null || true) ]]; then |
| gcloud compute firewall-rules delete --project "${NETWORK_PROJECT}" --quiet "${fw}" & |
| fi |
| done |
| kube::util::wait-for-jobs || { |
| echo -e "${color_red}Failed to delete firewall rules.${color_norm}" >&2 |
| } |
| } |
| |
| function delete-network() { |
| if [[ -n $(gcloud compute networks --project "${NETWORK_PROJECT}" describe "${NETWORK}" --format='value(name)' 2>/dev/null || true) ]]; then |
| if ! gcloud compute networks delete --project "${NETWORK_PROJECT}" --quiet "${NETWORK}"; then |
| echo "Failed to delete network '${NETWORK}'. Listing firewall-rules:" |
| gcloud compute firewall-rules --project "${NETWORK_PROJECT}" list --filter="network=${NETWORK}" |
| return 1 |
| fi |
| fi |
| } |
| |
| function delete-subnetworks() { |
| # If running in custom mode network we need to delete subnets manually. |
| mode="$(check-network-mode)" |
| if [[ "${mode}" == "CUSTOM" ]]; then |
| if [[ "${ENABLE_BIG_CLUSTER_SUBNETS}" = "true" ]]; then |
| echo "Deleting default subnets..." |
| # This value should be kept in sync with number of regions. |
| local parallelism=9 |
| gcloud compute networks subnets list --network="${NETWORK}" --project "${NETWORK_PROJECT}" --format='value(region.basename())' | \ |
| xargs -i -P ${parallelism} gcloud --quiet compute networks subnets delete "${NETWORK}" --project "${NETWORK_PROJECT}" --region="{}" || true |
| elif [[ "${CREATE_CUSTOM_NETWORK:-}" == "true" ]]; then |
| echo "Deleting custom subnet..." |
| gcloud --quiet compute networks subnets delete "${SUBNETWORK}" --project "${NETWORK_PROJECT}" --region="${REGION}" || true |
| fi |
| return |
| fi |
| |
| # If we reached here, it means we're not using custom network. |
| # So the only thing we need to check is if IP-aliases was turned |
| # on and we created a subnet for it. If so, we should delete it. |
| if [[ ${ENABLE_IP_ALIASES:-} == "true" ]]; then |
| # Only delete the subnet if we created it (i.e it's not pre-existing). |
| if [[ -z "${KUBE_GCE_IP_ALIAS_SUBNETWORK:-}" ]]; then |
| echo "Removing auto-created subnet ${NETWORK}:${IP_ALIAS_SUBNETWORK}" |
| if [[ -n $(gcloud compute networks subnets describe \ |
| --project "${NETWORK_PROJECT}" \ |
| --region ${REGION} \ |
| ${IP_ALIAS_SUBNETWORK} 2>/dev/null) ]]; then |
| gcloud --quiet compute networks subnets delete \ |
| --project "${NETWORK_PROJECT}" \ |
| --region ${REGION} \ |
| ${IP_ALIAS_SUBNETWORK} |
| fi |
| fi |
| fi |
| } |
| |
| # Generates SSL certificates for etcd cluster. Uses cfssl program. |
| # |
| # Assumed vars: |
| # KUBE_TEMP: temporary directory |
| # NUM_NODES: #nodes in the cluster |
| # |
| # Args: |
| # $1: host name |
| # $2: CA certificate |
| # $3: CA key |
| # |
| # If CA cert/key is empty, the function will also generate certs for CA. |
| # |
| # Vars set: |
| # ETCD_CA_KEY_BASE64 |
| # ETCD_CA_CERT_BASE64 |
| # ETCD_PEER_KEY_BASE64 |
| # ETCD_PEER_CERT_BASE64 |
| # |
| function create-etcd-certs { |
| local host=${1} |
| local ca_cert=${2:-} |
| local ca_key=${3:-} |
| |
| GEN_ETCD_CA_CERT="${ca_cert}" GEN_ETCD_CA_KEY="${ca_key}" \ |
| generate-etcd-cert "${KUBE_TEMP}/cfssl" "${host}" "peer" "peer" |
| |
| pushd "${KUBE_TEMP}/cfssl" |
| ETCD_CA_KEY_BASE64=$(cat "ca-key.pem" | base64 | tr -d '\r\n') |
| ETCD_CA_CERT_BASE64=$(cat "ca.pem" | gzip | base64 | tr -d '\r\n') |
| ETCD_PEER_KEY_BASE64=$(cat "peer-key.pem" | base64 | tr -d '\r\n') |
| ETCD_PEER_CERT_BASE64=$(cat "peer.pem" | gzip | base64 | tr -d '\r\n') |
| popd |
| } |
| |
| function create-master() { |
| echo "Starting master and configuring firewalls" |
| gcloud compute firewall-rules create "${MASTER_NAME}-https" \ |
| --project "${NETWORK_PROJECT}" \ |
| --network "${NETWORK}" \ |
| --target-tags "${MASTER_TAG}" \ |
| --allow tcp:443 & |
| |
| # We have to make sure the disk is created before creating the master VM, so |
| # run this in the foreground. |
| gcloud compute disks create "${MASTER_NAME}-pd" \ |
| --project "${PROJECT}" \ |
| --zone "${ZONE}" \ |
| --type "${MASTER_DISK_TYPE}" \ |
| --size "${MASTER_DISK_SIZE}" |
| |
| # Create rule for accessing and securing etcd servers. |
| if ! gcloud compute firewall-rules --project "${NETWORK_PROJECT}" describe "${MASTER_NAME}-etcd" &>/dev/null; then |
| gcloud compute firewall-rules create "${MASTER_NAME}-etcd" \ |
| --project "${NETWORK_PROJECT}" \ |
| --network "${NETWORK}" \ |
| --source-tags "${MASTER_TAG}" \ |
| --allow "tcp:2380,tcp:2381" \ |
| --target-tags "${MASTER_TAG}" & |
| fi |
| |
| # Generate a bearer token for this cluster. We push this separately |
| # from the other cluster variables so that the client (this |
| # computer) can forget it later. This should disappear with |
| # http://issue.k8s.io/3168 |
| KUBE_PROXY_TOKEN=$(dd if=/dev/urandom bs=128 count=1 2>/dev/null | base64 | tr -d "=+/" | dd bs=32 count=1 2>/dev/null) |
| if [[ "${ENABLE_NODE_PROBLEM_DETECTOR:-}" == "standalone" ]]; then |
| NODE_PROBLEM_DETECTOR_TOKEN=$(dd if=/dev/urandom bs=128 count=1 2>/dev/null | base64 | tr -d "=+/" | dd bs=32 count=1 2>/dev/null) |
| fi |
| |
| # Reserve the master's IP so that it can later be transferred to another VM |
| # without disrupting the kubelets. |
| create-static-ip "${MASTER_NAME}-ip" "${REGION}" |
| MASTER_RESERVED_IP=$(gcloud compute addresses describe "${MASTER_NAME}-ip" \ |
| --project "${PROJECT}" --region "${REGION}" -q --format='value(address)') |
| |
| if [[ "${REGISTER_MASTER_KUBELET:-}" == "true" ]]; then |
| KUBELET_APISERVER="${MASTER_RESERVED_IP}" |
| fi |
| |
| KUBERNETES_MASTER_NAME="${MASTER_RESERVED_IP}" |
| MASTER_ADVERTISE_ADDRESS="${MASTER_RESERVED_IP}" |
| |
| create-certs "${MASTER_RESERVED_IP}" |
| create-etcd-certs ${MASTER_NAME} |
| |
| if [[ "${NUM_NODES}" -ge "50" ]]; then |
| # We block on master creation for large clusters to avoid doing too much |
| # unnecessary work in case master start-up fails (like creation of nodes). |
| create-master-instance "${MASTER_RESERVED_IP}" |
| else |
| create-master-instance "${MASTER_RESERVED_IP}" & |
| fi |
| } |
| |
| # Adds master replica to etcd cluster. |
| # |
| # Assumed vars: |
| # REPLICA_NAME |
| # PROJECT |
| # EXISTING_MASTER_NAME |
| # EXISTING_MASTER_ZONE |
| # |
| # $1: etcd client port |
| # $2: etcd internal port |
| # returns the result of ssh command which adds replica |
| function add-replica-to-etcd() { |
| local -r client_port="${1}" |
| local -r internal_port="${2}" |
| gcloud compute ssh "${EXISTING_MASTER_NAME}" \ |
| --project "${PROJECT}" \ |
| --zone "${EXISTING_MASTER_ZONE}" \ |
| --command \ |
| "curl localhost:${client_port}/v2/members -XPOST -H \"Content-Type: application/json\" -d '{\"peerURLs\":[\"https://${REPLICA_NAME}:${internal_port}\"]}' -s" |
| return $? |
| } |
| |
| # Sets EXISTING_MASTER_NAME and EXISTING_MASTER_ZONE variables. |
| # |
| # Assumed vars: |
| # PROJECT |
| # |
| # NOTE: Must be in sync with get-replica-name-regexp |
| function set-existing-master() { |
| local existing_master=$(gcloud compute instances list \ |
| --project "${PROJECT}" \ |
| --filter "name ~ '$(get-replica-name-regexp)'" \ |
| --format "value(name,zone)" | head -n1) |
| EXISTING_MASTER_NAME="$(echo "${existing_master}" | cut -f1)" |
| EXISTING_MASTER_ZONE="$(echo "${existing_master}" | cut -f2)" |
| } |
| |
| function replicate-master() { |
| set-replica-name |
| set-existing-master |
| |
| echo "Experimental: replicating existing master ${EXISTING_MASTER_ZONE}/${EXISTING_MASTER_NAME} as ${ZONE}/${REPLICA_NAME}" |
| |
| # Before we do anything else, we should configure etcd to expect more replicas. |
| if ! add-replica-to-etcd 2379 2380; then |
| echo "Failed to add master replica to etcd cluster." |
| return 1 |
| fi |
| if ! add-replica-to-etcd 4002 2381; then |
| echo "Failed to add master replica to etcd events cluster." |
| return 1 |
| fi |
| |
| # We have to make sure the disk is created before creating the master VM, so |
| # run this in the foreground. |
| gcloud compute disks create "${REPLICA_NAME}-pd" \ |
| --project "${PROJECT}" \ |
| --zone "${ZONE}" \ |
| --type "${MASTER_DISK_TYPE}" \ |
| --size "${MASTER_DISK_SIZE}" |
| |
| local existing_master_replicas="$(get-all-replica-names)" |
| replicate-master-instance "${EXISTING_MASTER_ZONE}" "${EXISTING_MASTER_NAME}" "${existing_master_replicas}" |
| |
| # Add new replica to the load balancer. |
| gcloud compute target-pools add-instances "${MASTER_NAME}" \ |
| --project "${PROJECT}" \ |
| --zone "${ZONE}" \ |
| --instances "${REPLICA_NAME}" |
| } |
| |
| # Detaches old and ataches new external IP to a VM. |
| # |
| # Arguments: |
| # $1 - VM name |
| # $2 - VM zone |
| # $3 - external static IP; if empty will use an ephemeral IP address. |
| function attach-external-ip() { |
| local NAME=${1} |
| local ZONE=${2} |
| local IP_ADDR=${3:-} |
| local ACCESS_CONFIG_NAME=$(gcloud compute instances describe "${NAME}" \ |
| --project "${PROJECT}" --zone "${ZONE}" \ |
| --format="value(networkInterfaces[0].accessConfigs[0].name)") |
| gcloud compute instances delete-access-config "${NAME}" \ |
| --project "${PROJECT}" --zone "${ZONE}" \ |
| --access-config-name "${ACCESS_CONFIG_NAME}" |
| if [[ -z ${IP_ADDR} ]]; then |
| gcloud compute instances add-access-config "${NAME}" \ |
| --project "${PROJECT}" --zone "${ZONE}" \ |
| --access-config-name "${ACCESS_CONFIG_NAME}" |
| else |
| gcloud compute instances add-access-config "${NAME}" \ |
| --project "${PROJECT}" --zone "${ZONE}" \ |
| --access-config-name "${ACCESS_CONFIG_NAME}" \ |
| --address "${IP_ADDR}" |
| fi |
| } |
| |
| # Creates load balancer in front of apiserver if it doesn't exists already. Assumes there's only one |
| # existing master replica. |
| # |
| # Assumes: |
| # PROJECT |
| # MASTER_NAME |
| # ZONE |
| # REGION |
| function create-loadbalancer() { |
| detect-master |
| |
| # Step 0: Return early if LB is already configured. |
| if gcloud compute forwarding-rules describe ${MASTER_NAME} \ |
| --project "${PROJECT}" --region ${REGION} > /dev/null 2>&1; then |
| echo "Load balancer already exists" |
| return |
| fi |
| |
| local EXISTING_MASTER_NAME="$(get-all-replica-names)" |
| local EXISTING_MASTER_ZONE=$(gcloud compute instances list "${EXISTING_MASTER_NAME}" \ |
| --project "${PROJECT}" --format="value(zone)") |
| |
| echo "Creating load balancer in front of an already existing master in ${EXISTING_MASTER_ZONE}" |
| |
| # Step 1: Detach master IP address and attach ephemeral address to the existing master |
| attach-external-ip "${EXISTING_MASTER_NAME}" "${EXISTING_MASTER_ZONE}" |
| |
| # Step 2: Create target pool. |
| gcloud compute target-pools create "${MASTER_NAME}" --project "${PROJECT}" --region "${REGION}" |
| # TODO: We should also add master instances with suffixes |
| gcloud compute target-pools add-instances "${MASTER_NAME}" --instances "${EXISTING_MASTER_NAME}" --project "${PROJECT}" --zone "${EXISTING_MASTER_ZONE}" |
| |
| # Step 3: Create forwarding rule. |
| # TODO: This step can take up to 20 min. We need to speed this up... |
| gcloud compute forwarding-rules create ${MASTER_NAME} \ |
| --project "${PROJECT}" --region ${REGION} \ |
| --target-pool ${MASTER_NAME} --address=${KUBE_MASTER_IP} --ports=443 |
| |
| echo -n "Waiting for the load balancer configuration to propagate..." |
| local counter=0 |
| until $(curl -k -m1 https://${KUBE_MASTER_IP} &> /dev/null); do |
| counter=$((counter+1)) |
| echo -n . |
| if [[ ${counter} -ge 1800 ]]; then |
| echo -e "${color_red}TIMEOUT${color_norm}" >&2 |
| echo -e "${color_red}Load balancer failed to initialize within ${counter} seconds.${color_norm}" >&2 |
| exit 2 |
| fi |
| done |
| echo "DONE" |
| } |
| |
| function create-nodes-firewall() { |
| # Create a single firewall rule for all minions. |
| create-firewall-rule "${NODE_TAG}-all" "${CLUSTER_IP_RANGE}" "${NODE_TAG}" & |
| |
| # Report logging choice (if any). |
| if [[ "${ENABLE_NODE_LOGGING-}" == "true" ]]; then |
| echo "+++ Logging using Fluentd to ${LOGGING_DESTINATION:-unknown}" |
| fi |
| |
| # Wait for last batch of jobs |
| kube::util::wait-for-jobs || { |
| echo -e "${color_red}Some commands failed.${color_norm}" >&2 |
| } |
| } |
| |
| function get-scope-flags() { |
| local scope_flags= |
| if [[ -n "${NODE_SCOPES}" ]]; then |
| scope_flags="--scopes ${NODE_SCOPES}" |
| else |
| scope_flags="--no-scopes" |
| fi |
| echo "${scope_flags}" |
| } |
| |
| function create-nodes-template() { |
| echo "Creating nodes." |
| |
| local scope_flags=$(get-scope-flags) |
| |
| write-node-env |
| |
| local template_name="${NODE_INSTANCE_PREFIX}-template" |
| create-node-instance-template $template_name |
| } |
| |
| # Assumes: |
| # - MAX_INSTANCES_PER_MIG |
| # - NUM_NODES |
| # exports: |
| # - NUM_MIGS |
| function set_num_migs() { |
| local defaulted_max_instances_per_mig=${MAX_INSTANCES_PER_MIG:-1000} |
| |
| if [[ ${defaulted_max_instances_per_mig} -le "0" ]]; then |
| echo "MAX_INSTANCES_PER_MIG cannot be negative. Assuming default 1000" |
| defaulted_max_instances_per_mig=1000 |
| fi |
| export NUM_MIGS=$(((${NUM_NODES} + ${defaulted_max_instances_per_mig} - 1) / ${defaulted_max_instances_per_mig})) |
| } |
| |
| # Assumes: |
| # - NUM_MIGS |
| # - NODE_INSTANCE_PREFIX |
| # - NUM_NODES |
| # - PROJECT |
| # - ZONE |
| function create-nodes() { |
| local template_name="${NODE_INSTANCE_PREFIX}-template" |
| |
| if [[ -z "${HEAPSTER_MACHINE_TYPE:-}" ]]; then |
| local -r nodes="${NUM_NODES}" |
| else |
| echo "Creating a special node for heapster with machine-type ${HEAPSTER_MACHINE_TYPE}" |
| create-heapster-node |
| local -r nodes=$(( NUM_NODES - 1 )) |
| fi |
| |
| local instances_left=${nodes} |
| |
| #TODO: parallelize this loop to speed up the process |
| for ((i=1; i<=${NUM_MIGS}; i++)); do |
| local group_name="${NODE_INSTANCE_PREFIX}-group-$i" |
| if [[ $i == ${NUM_MIGS} ]]; then |
| # TODO: We don't add a suffix for the last group to keep backward compatibility when there's only one MIG. |
| # We should change it at some point, but note #18545 when changing this. |
| group_name="${NODE_INSTANCE_PREFIX}-group" |
| fi |
| # Spread the remaining number of nodes evenly |
| this_mig_size=$((${instances_left} / (${NUM_MIGS}-${i}+1))) |
| instances_left=$((instances_left-${this_mig_size})) |
| |
| gcloud compute instance-groups managed \ |
| create "${group_name}" \ |
| --project "${PROJECT}" \ |
| --zone "${ZONE}" \ |
| --base-instance-name "${group_name}" \ |
| --size "${this_mig_size}" \ |
| --template "$template_name" || true; |
| gcloud compute instance-groups managed wait-until-stable \ |
| "${group_name}" \ |
| --zone "${ZONE}" \ |
| --project "${PROJECT}" \ |
| --timeout "${MIG_WAIT_UNTIL_STABLE_TIMEOUT}" || true; |
| done |
| } |
| |
| # Assumes: |
| # - NODE_INSTANCE_PREFIX |
| # - PROJECT |
| # - NETWORK_PROJECT |
| # - REGION |
| # - ZONE |
| # - HEAPSTER_MACHINE_TYPE |
| # - NODE_DISK_TYPE |
| # - NODE_DISK_SIZE |
| # - NODE_IMAGE_PROJECT |
| # - NODE_IMAGE |
| # - NODE_SERVICE_ACCOUNT |
| # - NODE_TAG |
| # - NETWORK |
| # - ENABLE_IP_ALIASES |
| # - SUBNETWORK |
| # - IP_ALIAS_SIZE |
| function create-heapster-node() { |
| local gcloud="gcloud" |
| |
| local network=$(make-gcloud-network-argument \ |
| "${NETWORK_PROJECT}" \ |
| "${REGION}" \ |
| "${NETWORK}" \ |
| "${SUBNETWORK:-}" \ |
| "" \ |
| "${ENABLE_IP_ALIASES:-}" \ |
| "${IP_ALIAS_SIZE:-}") |
| |
| ${gcloud} compute instances \ |
| create "${NODE_INSTANCE_PREFIX}-heapster" \ |
| --project "${PROJECT}" \ |
| --zone "${ZONE}" \ |
| --machine-type="${HEAPSTER_MACHINE_TYPE}" \ |
| --boot-disk-type "${NODE_DISK_TYPE}" \ |
| --boot-disk-size "${NODE_DISK_SIZE}" \ |
| --image-project="${NODE_IMAGE_PROJECT}" \ |
| --image "${NODE_IMAGE}" \ |
| --service-account "${NODE_SERVICE_ACCOUNT}" \ |
| --tags "${NODE_TAG}" \ |
| ${network} \ |
| $(get-scope-flags) \ |
| --metadata-from-file "$(get-node-instance-metadata)" |
| } |
| |
| # Assumes: |
| # - NUM_MIGS |
| # - NODE_INSTANCE_PREFIX |
| # - PROJECT |
| # - ZONE |
| # - AUTOSCALER_MAX_NODES |
| # - AUTOSCALER_MIN_NODES |
| # Exports |
| # - AUTOSCALER_MIG_CONFIG |
| function create-cluster-autoscaler-mig-config() { |
| |
| # Each MIG must have at least one node, so the min number of nodes |
| # must be greater or equal to the number of migs. |
| if [[ ${AUTOSCALER_MIN_NODES} -lt 0 ]]; then |
| echo "AUTOSCALER_MIN_NODES must be greater or equal 0" |
| exit 2 |
| fi |
| |
| # Each MIG must have at least one node, so the min number of nodes |
| # must be greater or equal to the number of migs. |
| if [[ ${AUTOSCALER_MAX_NODES} -lt ${NUM_MIGS} ]]; then |
| echo "AUTOSCALER_MAX_NODES must be greater or equal ${NUM_MIGS}" |
| exit 2 |
| fi |
| |
| # The code assumes that the migs were created with create-nodes |
| # function which tries to evenly spread nodes across the migs. |
| AUTOSCALER_MIG_CONFIG="" |
| |
| local left_min=${AUTOSCALER_MIN_NODES} |
| local left_max=${AUTOSCALER_MAX_NODES} |
| |
| for ((i=1; i<=${NUM_MIGS}; i++)); do |
| local group_name="${NODE_INSTANCE_PREFIX}-group-$i" |
| if [[ $i == ${NUM_MIGS} ]]; then |
| # TODO: We don't add a suffix for the last group to keep backward compatibility when there's only one MIG. |
| # We should change it at some point, but note #18545 when changing this. |
| group_name="${NODE_INSTANCE_PREFIX}-group" |
| fi |
| |
| this_mig_min=$((${left_min}/(${NUM_MIGS}-${i}+1))) |
| this_mig_max=$((${left_max}/(${NUM_MIGS}-${i}+1))) |
| left_min=$((left_min-$this_mig_min)) |
| left_max=$((left_max-$this_mig_max)) |
| |
| local mig_url="https://www.googleapis.com/compute/v1/projects/${PROJECT}/zones/${ZONE}/instanceGroups/${group_name}" |
| AUTOSCALER_MIG_CONFIG="${AUTOSCALER_MIG_CONFIG} --nodes=${this_mig_min}:${this_mig_max}:${mig_url}" |
| done |
| |
| AUTOSCALER_MIG_CONFIG="${AUTOSCALER_MIG_CONFIG} --scale-down-enabled=${AUTOSCALER_ENABLE_SCALE_DOWN}" |
| } |
| |
| # Assumes: |
| # - NUM_MIGS |
| # - NODE_INSTANCE_PREFIX |
| # - PROJECT |
| # - ZONE |
| # - ENABLE_CLUSTER_AUTOSCALER |
| # - AUTOSCALER_MAX_NODES |
| # - AUTOSCALER_MIN_NODES |
| function create-autoscaler-config() { |
| # Create autoscaler for nodes configuration if requested |
| if [[ "${ENABLE_CLUSTER_AUTOSCALER}" == "true" ]]; then |
| create-cluster-autoscaler-mig-config |
| echo "Using autoscaler config: ${AUTOSCALER_MIG_CONFIG} ${AUTOSCALER_EXPANDER_CONFIG}" |
| fi |
| } |
| |
| function check-cluster() { |
| detect-node-names |
| detect-master |
| |
| echo "Waiting up to ${KUBE_CLUSTER_INITIALIZATION_TIMEOUT} seconds for cluster initialization." |
| echo |
| echo " This will continually check to see if the API for kubernetes is reachable." |
| echo " This may time out if there was some uncaught error during start up." |
| echo |
| |
| # curl in mavericks is borked. |
| secure="" |
| if which sw_vers >& /dev/null; then |
| if [[ $(sw_vers | grep ProductVersion | awk '{print $2}') = "10.9."* ]]; then |
| secure="--insecure" |
| fi |
| fi |
| |
| local start_time=$(date +%s) |
| local curl_out=$(mktemp) |
| kube::util::trap_add "rm -f ${curl_out}" EXIT |
| until curl --cacert "${CERT_DIR}/pki/ca.crt" \ |
| -H "Authorization: Bearer ${KUBE_BEARER_TOKEN}" \ |
| ${secure} \ |
| --max-time 5 --fail \ |
| "https://${KUBE_MASTER_IP}/api/v1/pods?limit=100" > "${curl_out}" 2>&1; do |
| local elapsed=$(($(date +%s) - ${start_time})) |
| if [[ ${elapsed} -gt ${KUBE_CLUSTER_INITIALIZATION_TIMEOUT} ]]; then |
| echo -e "${color_red}Cluster failed to initialize within ${KUBE_CLUSTER_INITIALIZATION_TIMEOUT} seconds.${color_norm}" >&2 |
| echo "Last output from querying API server follows:" >&2 |
| echo "-----------------------------------------------------" >&2 |
| cat "${curl_out}" >&2 |
| echo "-----------------------------------------------------" >&2 |
| exit 2 |
| fi |
| printf "." |
| sleep 2 |
| done |
| |
| echo "Kubernetes cluster created." |
| |
| export KUBE_CERT="${CERT_DIR}/pki/issued/kubecfg.crt" |
| export KUBE_KEY="${CERT_DIR}/pki/private/kubecfg.key" |
| export CA_CERT="${CERT_DIR}/pki/ca.crt" |
| export CONTEXT="${PROJECT}_${INSTANCE_PREFIX}" |
| ( |
| umask 077 |
| |
| # Update the user's kubeconfig to include credentials for this apiserver. |
| create-kubeconfig |
| ) |
| |
| # ensures KUBECONFIG is set |
| get-kubeconfig-basicauth |
| echo |
| echo -e "${color_green}Kubernetes cluster is running. The master is running at:" |
| echo |
| echo -e "${color_yellow} https://${KUBE_MASTER_IP}" |
| echo |
| echo -e "${color_green}The user name and password to use is located in ${KUBECONFIG}.${color_norm}" |
| echo |
| |
| } |
| |
| # Removes master replica from etcd cluster. |
| # |
| # Assumed vars: |
| # REPLICA_NAME |
| # PROJECT |
| # EXISTING_MASTER_NAME |
| # EXISTING_MASTER_ZONE |
| # |
| # $1: etcd client port |
| # returns the result of ssh command which removes replica |
| function remove-replica-from-etcd() { |
| local -r port="${1}" |
| [[ -n "${EXISTING_MASTER_NAME}" ]] || return |
| gcloud compute ssh "${EXISTING_MASTER_NAME}" \ |
| --project "${PROJECT}" \ |
| --zone "${EXISTING_MASTER_ZONE}" \ |
| --command \ |
| "curl -s localhost:${port}/v2/members/\$(curl -s localhost:${port}/v2/members -XGET | sed 's/{\\\"id/\n/g' | grep ${REPLICA_NAME}\\\" | cut -f 3 -d \\\") -XDELETE -L 2>/dev/null" |
| local -r res=$? |
| echo "Removing etcd replica, name: ${REPLICA_NAME}, port: ${port}, result: ${res}" |
| return "${res}" |
| } |
| |
| # Delete a kubernetes cluster. This is called from test-teardown. |
| # |
| # Assumed vars: |
| # MASTER_NAME |
| # NODE_INSTANCE_PREFIX |
| # ZONE |
| # This function tears down cluster resources 10 at a time to avoid issuing too many |
| # API calls and exceeding API quota. It is important to bring down the instances before bringing |
| # down the firewall rules and routes. |
| function kube-down() { |
| local -r batch=200 |
| |
| detect-project |
| detect-node-names # For INSTANCE_GROUPS |
| |
| echo "Bringing down cluster" |
| set +e # Do not stop on error |
| |
| if [[ "${KUBE_DELETE_NODES:-}" != "false" ]]; then |
| # Get the name of the managed instance group template before we delete the |
| # managed instance group. (The name of the managed instance group template may |
| # change during a cluster upgrade.) |
| local templates=$(get-template "${PROJECT}") |
| |
| for group in ${INSTANCE_GROUPS[@]:-}; do |
| if gcloud compute instance-groups managed describe "${group}" --project "${PROJECT}" --zone "${ZONE}" &>/dev/null; then |
| gcloud compute instance-groups managed delete \ |
| --project "${PROJECT}" \ |
| --quiet \ |
| --zone "${ZONE}" \ |
| "${group}" & |
| fi |
| done |
| |
| # Wait for last batch of jobs |
| kube::util::wait-for-jobs || { |
| echo -e "Failed to delete instance group(s)." >&2 |
| } |
| |
| for template in ${templates[@]:-}; do |
| if gcloud compute instance-templates describe --project "${PROJECT}" "${template}" &>/dev/null; then |
| gcloud compute instance-templates delete \ |
| --project "${PROJECT}" \ |
| --quiet \ |
| "${template}" |
| fi |
| done |
| |
| # Delete the special heapster node (if it exists). |
| if [[ -n "${HEAPSTER_MACHINE_TYPE:-}" ]]; then |
| local -r heapster_machine_name="${NODE_INSTANCE_PREFIX}-heapster" |
| if gcloud compute instances describe "${heapster_machine_name}" --zone "${ZONE}" --project "${PROJECT}" &>/dev/null; then |
| # Now we can safely delete the VM. |
| gcloud compute instances delete \ |
| --project "${PROJECT}" \ |
| --quiet \ |
| --delete-disks all \ |
| --zone "${ZONE}" \ |
| "${heapster_machine_name}" |
| fi |
| fi |
| fi |
| |
| local -r REPLICA_NAME="${KUBE_REPLICA_NAME:-$(get-replica-name)}" |
| |
| set-existing-master |
| |
| # Un-register the master replica from etcd and events etcd. |
| remove-replica-from-etcd 2379 |
| remove-replica-from-etcd 4002 |
| |
| # Delete the master replica (if it exists). |
| if gcloud compute instances describe "${REPLICA_NAME}" --zone "${ZONE}" --project "${PROJECT}" &>/dev/null; then |
| # If there is a load balancer in front of apiservers we need to first update its configuration. |
| if gcloud compute target-pools describe "${MASTER_NAME}" --region "${REGION}" --project "${PROJECT}" &>/dev/null; then |
| gcloud compute target-pools remove-instances "${MASTER_NAME}" \ |
| --project "${PROJECT}" \ |
| --zone "${ZONE}" \ |
| --instances "${REPLICA_NAME}" |
| fi |
| # Now we can safely delete the VM. |
| gcloud compute instances delete \ |
| --project "${PROJECT}" \ |
| --quiet \ |
| --delete-disks all \ |
| --zone "${ZONE}" \ |
| "${REPLICA_NAME}" |
| fi |
| |
| # Delete the master replica pd (possibly leaked by kube-up if master create failed). |
| # TODO(jszczepkowski): remove also possibly leaked replicas' pds |
| local -r replica_pd="${REPLICA_NAME:-${MASTER_NAME}}-pd" |
| if gcloud compute disks describe "${replica_pd}" --zone "${ZONE}" --project "${PROJECT}" &>/dev/null; then |
| gcloud compute disks delete \ |
| --project "${PROJECT}" \ |
| --quiet \ |
| --zone "${ZONE}" \ |
| "${replica_pd}" |
| fi |
| |
| # Check if this are any remaining master replicas. |
| local REMAINING_MASTER_COUNT=$(gcloud compute instances list \ |
| --project "${PROJECT}" \ |
| --filter="name ~ '$(get-replica-name-regexp)'" \ |
| --format "value(zone)" | wc -l) |
| |
| # In the replicated scenario, if there's only a single master left, we should also delete load balancer in front of it. |
| if [[ "${REMAINING_MASTER_COUNT}" -eq 1 ]]; then |
| if gcloud compute forwarding-rules describe "${MASTER_NAME}" --region "${REGION}" --project "${PROJECT}" &>/dev/null; then |
| detect-master |
| local REMAINING_REPLICA_NAME="$(get-all-replica-names)" |
| local REMAINING_REPLICA_ZONE=$(gcloud compute instances list "${REMAINING_REPLICA_NAME}" \ |
| --project "${PROJECT}" --format="value(zone)") |
| gcloud compute forwarding-rules delete \ |
| --project "${PROJECT}" \ |
| --region "${REGION}" \ |
| --quiet \ |
| "${MASTER_NAME}" |
| attach-external-ip "${REMAINING_REPLICA_NAME}" "${REMAINING_REPLICA_ZONE}" "${KUBE_MASTER_IP}" |
| gcloud compute target-pools delete \ |
| --project "${PROJECT}" \ |
| --region "${REGION}" \ |
| --quiet \ |
| "${MASTER_NAME}" |
| fi |
| fi |
| |
| # If there are no more remaining master replicas, we should delete all remaining network resources. |
| if [[ "${REMAINING_MASTER_COUNT}" -eq 0 ]]; then |
| # Delete firewall rule for the master, etcd servers, and nodes. |
| delete-firewall-rules "${MASTER_NAME}-https" "${MASTER_NAME}-etcd" "${NODE_TAG}-all" |
| # Delete the master's reserved IP |
| if gcloud compute addresses describe "${MASTER_NAME}-ip" --region "${REGION}" --project "${PROJECT}" &>/dev/null; then |
| gcloud compute addresses delete \ |
| --project "${PROJECT}" \ |
| --region "${REGION}" \ |
| --quiet \ |
| "${MASTER_NAME}-ip" |
| fi |
| fi |
| |
| if [[ "${KUBE_DELETE_NODES:-}" != "false" ]]; then |
| # Find out what minions are running. |
| local -a minions |
| minions=( $(gcloud compute instances list \ |
| --project "${PROJECT}" \ |
| --filter="name ~ '${NODE_INSTANCE_PREFIX}-.+' AND zone:(${ZONE})" \ |
| --format='value(name)') ) |
| # If any minions are running, delete them in batches. |
| while (( "${#minions[@]}" > 0 )); do |
| echo Deleting nodes "${minions[*]::${batch}}" |
| gcloud compute instances delete \ |
| --project "${PROJECT}" \ |
| --quiet \ |
| --delete-disks boot \ |
| --zone "${ZONE}" \ |
| "${minions[@]::${batch}}" |
| minions=( "${minions[@]:${batch}}" ) |
| done |
| fi |
| |
| # If there are no more remaining master replicas: delete routes, pd for influxdb and update kubeconfig |
| if [[ "${REMAINING_MASTER_COUNT}" -eq 0 ]]; then |
| # Delete routes. |
| local -a routes |
| # Clean up all routes w/ names like "<cluster-name>-<node-GUID>" |
| # e.g. "kubernetes-12345678-90ab-cdef-1234-567890abcdef". The name is |
| # determined by the node controller on the master. |
| # Note that this is currently a noop, as synchronously deleting the node MIG |
| # first allows the master to cleanup routes itself. |
| local TRUNCATED_PREFIX="${INSTANCE_PREFIX:0:26}" |
| routes=( $(gcloud compute routes list --project "${NETWORK_PROJECT}" \ |
| --filter="name ~ '${TRUNCATED_PREFIX}-.{8}-.{4}-.{4}-.{4}-.{12}'" \ |
| --format='value(name)') ) |
| while (( "${#routes[@]}" > 0 )); do |
| echo Deleting routes "${routes[*]::${batch}}" |
| gcloud compute routes delete \ |
| --project "${NETWORK_PROJECT}" \ |
| --quiet \ |
| "${routes[@]::${batch}}" |
| routes=( "${routes[@]:${batch}}" ) |
| done |
| |
| # Delete persistent disk for influx-db. |
| if gcloud compute disks describe "${INSTANCE_PREFIX}"-influxdb-pd --zone "${ZONE}" --project "${PROJECT}" &>/dev/null; then |
| gcloud compute disks delete \ |
| --project "${PROJECT}" \ |
| --quiet \ |
| --zone "${ZONE}" \ |
| "${INSTANCE_PREFIX}"-influxdb-pd |
| fi |
| |
| # Delete all remaining firewall rules and network. |
| delete-firewall-rules \ |
| "${CLUSTER_NAME}-default-internal-master" \ |
| "${CLUSTER_NAME}-default-internal-node" \ |
| "${NETWORK}-default-ssh" \ |
| "${NETWORK}-default-internal" # Pre-1.5 clusters |
| |
| if [[ "${KUBE_DELETE_NETWORK}" == "true" ]]; then |
| # Delete all remaining firewall rules in the network. |
| delete-all-firewall-rules || true |
| delete-subnetworks || true |
| delete-network || true # might fail if there are leaked resources that reference the network |
| fi |
| |
| # If there are no more remaining master replicas, we should update kubeconfig. |
| export CONTEXT="${PROJECT}_${INSTANCE_PREFIX}" |
| clear-kubeconfig |
| else |
| # If some master replicas remain: cluster has been changed, we need to re-validate it. |
| echo "... calling validate-cluster" >&2 |
| # Override errexit |
| (validate-cluster) && validate_result="$?" || validate_result="$?" |
| |
| # We have two different failure modes from validate cluster: |
| # - 1: fatal error - cluster won't be working correctly |
| # - 2: weak error - something went wrong, but cluster probably will be working correctly |
| # We just print an error message in case 2). |
| if [[ "${validate_result}" -eq 1 ]]; then |
| exit 1 |
| elif [[ "${validate_result}" -eq 2 ]]; then |
| echo "...ignoring non-fatal errors in validate-cluster" >&2 |
| fi |
| fi |
| set -e |
| } |
| |
| # Prints name of one of the master replicas in the current zone. It will be either |
| # just MASTER_NAME or MASTER_NAME with a suffix for a replica (see get-replica-name-regexp). |
| # |
| # Assumed vars: |
| # PROJECT |
| # ZONE |
| # MASTER_NAME |
| # |
| # NOTE: Must be in sync with get-replica-name-regexp and set-replica-name. |
| function get-replica-name() { |
| echo $(gcloud compute instances list \ |
| --project "${PROJECT}" \ |
| --filter="name ~ '$(get-replica-name-regexp)' AND zone:(${ZONE})" \ |
| --format "value(name)" | head -n1) |
| } |
| |
| # Prints comma-separated names of all of the master replicas in all zones. |
| # |
| # Assumed vars: |
| # PROJECT |
| # MASTER_NAME |
| # |
| # NOTE: Must be in sync with get-replica-name-regexp and set-replica-name. |
| function get-all-replica-names() { |
| echo $(gcloud compute instances list \ |
| --project "${PROJECT}" \ |
| --filter="name ~ '$(get-replica-name-regexp)'" \ |
| --format "value(name)" | tr "\n" "," | sed 's/,$//') |
| } |
| |
| # Prints the number of all of the master replicas in all zones. |
| # |
| # Assumed vars: |
| # MASTER_NAME |
| function get-master-replicas-count() { |
| detect-project |
| local num_masters=$(gcloud compute instances list \ |
| --project "${PROJECT}" \ |
| --filter="name ~ '$(get-replica-name-regexp)'" \ |
| --format "value(zone)" | wc -l) |
| echo -n "${num_masters}" |
| } |
| |
| # Prints regexp for full master machine name. In a cluster with replicated master, |
| # VM names may either be MASTER_NAME or MASTER_NAME with a suffix for a replica. |
| function get-replica-name-regexp() { |
| echo "^${MASTER_NAME}(-...)?" |
| } |
| |
| # Sets REPLICA_NAME to a unique name for a master replica that will match |
| # expected regexp (see get-replica-name-regexp). |
| # |
| # Assumed vars: |
| # PROJECT |
| # ZONE |
| # MASTER_NAME |
| # |
| # Sets: |
| # REPLICA_NAME |
| function set-replica-name() { |
| local instances=$(gcloud compute instances list \ |
| --project "${PROJECT}" \ |
| --filter="name ~ '$(get-replica-name-regexp)'" \ |
| --format "value(name)") |
| |
| suffix="" |
| while echo "${instances}" | grep "${suffix}" &>/dev/null; do |
| suffix="$(date | md5sum | head -c3)" |
| done |
| REPLICA_NAME="${MASTER_NAME}-${suffix}" |
| } |
| |
| # Gets the instance template for given NODE_INSTANCE_PREFIX. It echos the template name so that the function |
| # output can be used. |
| # Assumed vars: |
| # NODE_INSTANCE_PREFIX |
| # |
| # $1: project |
| function get-template() { |
| gcloud compute instance-templates list \ |
| --filter="name ~ '${NODE_INSTANCE_PREFIX}-template(-(${KUBE_RELEASE_VERSION_DASHED_REGEX}|${KUBE_CI_VERSION_DASHED_REGEX}))?'" \ |
| --project="${1}" --format='value(name)' |
| } |
| |
| # Checks if there are any present resources related kubernetes cluster. |
| # |
| # Assumed vars: |
| # MASTER_NAME |
| # NODE_INSTANCE_PREFIX |
| # ZONE |
| # REGION |
| # Vars set: |
| # KUBE_RESOURCE_FOUND |
| function check-resources() { |
| detect-project |
| detect-node-names |
| |
| echo "Looking for already existing resources" |
| KUBE_RESOURCE_FOUND="" |
| |
| if [[ -n "${INSTANCE_GROUPS[@]:-}" ]]; then |
| KUBE_RESOURCE_FOUND="Managed instance groups ${INSTANCE_GROUPS[@]}" |
| return 1 |
| fi |
| |
| if gcloud compute instance-templates describe --project "${PROJECT}" "${NODE_INSTANCE_PREFIX}-template" &>/dev/null; then |
| KUBE_RESOURCE_FOUND="Instance template ${NODE_INSTANCE_PREFIX}-template" |
| return 1 |
| fi |
| |
| if gcloud compute instances describe --project "${PROJECT}" "${MASTER_NAME}" --zone "${ZONE}" &>/dev/null; then |
| KUBE_RESOURCE_FOUND="Kubernetes master ${MASTER_NAME}" |
| return 1 |
| fi |
| |
| if gcloud compute disks describe --project "${PROJECT}" "${MASTER_NAME}"-pd --zone "${ZONE}" &>/dev/null; then |
| KUBE_RESOURCE_FOUND="Persistent disk ${MASTER_NAME}-pd" |
| return 1 |
| fi |
| |
| # Find out what minions are running. |
| local -a minions |
| minions=( $(gcloud compute instances list \ |
| --project "${PROJECT}" \ |
| --filter="name ~ '${NODE_INSTANCE_PREFIX}-.+' AND zone:(${ZONE})" \ |
| --format='value(name)') ) |
| if (( "${#minions[@]}" > 0 )); then |
| KUBE_RESOURCE_FOUND="${#minions[@]} matching matching ${NODE_INSTANCE_PREFIX}-.+" |
| return 1 |
| fi |
| |
| if gcloud compute firewall-rules describe --project "${NETWORK_PROJECT}" "${MASTER_NAME}-https" &>/dev/null; then |
| KUBE_RESOURCE_FOUND="Firewall rules for ${MASTER_NAME}-https" |
| return 1 |
| fi |
| |
| if gcloud compute firewall-rules describe --project "${NETWORK_PROJECT}" "${NODE_TAG}-all" &>/dev/null; then |
| KUBE_RESOURCE_FOUND="Firewall rules for ${MASTER_NAME}-all" |
| return 1 |
| fi |
| |
| local -a routes |
| routes=( $(gcloud compute routes list --project "${NETWORK_PROJECT}" \ |
| --filter="name ~ '${INSTANCE_PREFIX}-minion-.{4}'" --format='value(name)') ) |
| if (( "${#routes[@]}" > 0 )); then |
| KUBE_RESOURCE_FOUND="${#routes[@]} routes matching ${INSTANCE_PREFIX}-minion-.{4}" |
| return 1 |
| fi |
| |
| if gcloud compute addresses describe --project "${PROJECT}" "${MASTER_NAME}-ip" --region "${REGION}" &>/dev/null; then |
| KUBE_RESOURCE_FOUND="Master's reserved IP" |
| return 1 |
| fi |
| |
| # No resources found. |
| return 0 |
| } |
| |
| # ----------------------------------------------------------------------------- |
| # Cluster specific test helpers used from hack/e2e.go |
| |
| # Execute prior to running tests to build a release if required for env. |
| # |
| # Assumed Vars: |
| # KUBE_ROOT |
| function test-build-release() { |
| # Make a release |
| "${KUBE_ROOT}/build/release.sh" |
| } |
| |
| # Execute prior to running tests to initialize required structure. This is |
| # called from hack/e2e.go only when running -up. |
| # |
| # Assumed vars: |
| # Variables from config.sh |
| function test-setup() { |
| # Detect the project into $PROJECT if it isn't set |
| detect-project |
| |
| if [[ ${MULTIZONE:-} == "true" && -n ${E2E_ZONES:-} ]]; then |
| for KUBE_GCE_ZONE in ${E2E_ZONES}; do |
| KUBE_GCE_ZONE="${KUBE_GCE_ZONE}" KUBE_USE_EXISTING_MASTER="${KUBE_USE_EXISTING_MASTER:-}" "${KUBE_ROOT}/cluster/kube-up.sh" |
| KUBE_USE_EXISTING_MASTER="true" # For subsequent zones we use the existing master |
| done |
| else |
| "${KUBE_ROOT}/cluster/kube-up.sh" |
| fi |
| |
| # Open up port 80 & 8080 so common containers on minions can be reached |
| # TODO(roberthbailey): Remove this once we are no longer relying on hostPorts. |
| local start=`date +%s` |
| gcloud compute firewall-rules create \ |
| --project "${NETWORK_PROJECT}" \ |
| --target-tags "${NODE_TAG}" \ |
| --allow tcp:80,tcp:8080 \ |
| --network "${NETWORK}" \ |
| "${NODE_TAG}-${INSTANCE_PREFIX}-http-alt" 2> /dev/null || true |
| # As there is no simple way to wait longer for this operation we need to manually |
| # wait some additional time (20 minutes altogether). |
| while ! gcloud compute firewall-rules describe --project "${NETWORK_PROJECT}" "${NODE_TAG}-${INSTANCE_PREFIX}-http-alt" 2> /dev/null; do |
| if [[ $(($start + 1200)) -lt `date +%s` ]]; then |
| echo -e "${color_red}Failed to create firewall ${NODE_TAG}-${INSTANCE_PREFIX}-http-alt in ${NETWORK_PROJECT}" >&2 |
| exit 1 |
| fi |
| sleep 5 |
| done |
| |
| # Open up the NodePort range |
| # TODO(justinsb): Move to main setup, if we decide whether we want to do this by default. |
| start=`date +%s` |
| gcloud compute firewall-rules create \ |
| --project "${NETWORK_PROJECT}" \ |
| --target-tags "${NODE_TAG}" \ |
| --allow tcp:30000-32767,udp:30000-32767 \ |
| --network "${NETWORK}" \ |
| "${NODE_TAG}-${INSTANCE_PREFIX}-nodeports" 2> /dev/null || true |
| # As there is no simple way to wait longer for this operation we need to manually |
| # wait some additional time (20 minutes altogether). |
| while ! gcloud compute firewall-rules describe --project "${NETWORK_PROJECT}" "${NODE_TAG}-${INSTANCE_PREFIX}-nodeports" 2> /dev/null; do |
| if [[ $(($start + 1200)) -lt `date +%s` ]]; then |
| echo -e "${color_red}Failed to create firewall ${NODE_TAG}-${INSTANCE_PREFIX}-nodeports in ${PROJECT}" >&2 |
| exit 1 |
| fi |
| sleep 5 |
| done |
| } |
| |
| # Execute after running tests to perform any required clean-up. This is called |
| # from hack/e2e.go |
| function test-teardown() { |
| detect-project |
| echo "Shutting down test cluster in background." |
| delete-firewall-rules \ |
| "${NODE_TAG}-${INSTANCE_PREFIX}-http-alt" \ |
| "${NODE_TAG}-${INSTANCE_PREFIX}-nodeports" |
| if [[ ${MULTIZONE:-} == "true" && -n ${E2E_ZONES:-} ]]; then |
| local zones=( ${E2E_ZONES} ) |
| # tear them down in reverse order, finally tearing down the master too. |
| for ((zone_num=${#zones[@]}-1; zone_num>0; zone_num--)); do |
| KUBE_GCE_ZONE="${zones[zone_num]}" KUBE_USE_EXISTING_MASTER="true" "${KUBE_ROOT}/cluster/kube-down.sh" |
| done |
| KUBE_GCE_ZONE="${zones[0]}" KUBE_USE_EXISTING_MASTER="false" "${KUBE_ROOT}/cluster/kube-down.sh" |
| else |
| "${KUBE_ROOT}/cluster/kube-down.sh" |
| fi |
| } |
| |
| # SSH to a node by name ($1) and run a command ($2). |
| function ssh-to-node() { |
| local node="$1" |
| local cmd="$2" |
| # Loop until we can successfully ssh into the box |
| for try in {1..5}; do |
| if gcloud compute ssh --ssh-flag="-o LogLevel=quiet" --ssh-flag="-o ConnectTimeout=30" --project "${PROJECT}" --zone="${ZONE}" "${node}" --command "echo test > /dev/null"; then |
| break |
| fi |
| sleep 5 |
| done |
| # Then actually try the command. |
| gcloud compute ssh --ssh-flag="-o LogLevel=quiet" --ssh-flag="-o ConnectTimeout=30" --project "${PROJECT}" --zone="${ZONE}" "${node}" --command "${cmd}" |
| } |
| |
| # Perform preparations required to run e2e tests |
| function prepare-e2e() { |
| detect-project |
| } |
| |
| # Delete the image given by $1. |
| function delete-image() { |
| gcloud container images delete --quiet "$1" |
| } |