| #! /bin/bash |
| |
| # |
| # create_cluster_file.bash |
| # |
| # This source file is part of the FoundationDB open source project |
| # |
| # Copyright 2013-2018 Apple Inc. and the FoundationDB project 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. |
| # |
| |
| # This script creates a cluster file for a server or client. |
| # This takes the cluster file path from the FDB_CLUSTER_FILE |
| # environment variable, with a default of /etc/foundationdb/fdb.cluster |
| # |
| # The name of the coordinator must be defined in the FDB_COORDINATOR environment |
| # variable, and it must be a name that can be resolved through DNS. |
| |
| function create_cluster_file() { |
| FDB_CLUSTER_FILE=${FDB_CLUSTER_FILE:-/etc/foundationdb/fdb.cluster} |
| mkdir -p $(dirname $FDB_CLUSTER_FILE) |
| |
| if [[ -n "$FDB_CLUSTER_FILE_CONTENTS" ]]; then |
| echo "$FDB_CLUSTER_FILE_CONTENTS" > $FDB_CLUSTER_FILE |
| elif [[ -n $FDB_COORDINATOR ]]; then |
| coordinator_ip=$(dig +short $FDB_COORDINATOR) |
| if [[ -z "$coordinator_ip" ]]; then |
| echo "Failed to look up coordinator address for $FDB_COORDINATOR" 1>&2 |
| exit 1 |
| fi |
| coordinator_port=${FDB_COORDINATOR_PORT:-4500} |
| echo "docker:docker@$coordinator_ip:$coordinator_port" > $FDB_CLUSTER_FILE |
| else |
| echo "FDB_COORDINATOR environment variable not defined" 1>&2 |
| exit 1 |
| fi |
| } |
| |
| if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then |
| create_cluster_file "$@" |
| fi |