| #!/bin/sh |
| |
| ############################################################################### |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you 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. |
| ############################################################################### |
| |
| COMMAND_STANDALONE="standalone-job" |
| |
| # If unspecified, the hostname of the container is taken as the JobManager address |
| JOB_MANAGER_RPC_ADDRESS=${JOB_MANAGER_RPC_ADDRESS:-$(hostname -f)} |
| CONF_FILE="${FLINK_HOME}/conf/flink-conf.yaml" |
| |
| drop_privs_cmd() { |
| if [ $(id -u) != 0 ]; then |
| # Don't need to drop privs if EUID != 0 |
| return |
| elif [ -x /sbin/su-exec ]; then |
| # Alpine |
| echo su-exec flink |
| else |
| # Others |
| echo gosu flink |
| fi |
| } |
| |
| copy_plugins_if_required() { |
| if [ -z "$ENABLE_BUILT_IN_PLUGINS" ]; then |
| return 0 |
| fi |
| |
| echo "Enabling required built-in plugins" |
| for target_plugin in $(echo "$ENABLE_BUILT_IN_PLUGINS" | tr ';' ' '); do |
| echo "Linking ${target_plugin} to plugin directory" |
| plugin_name=${target_plugin%.jar} |
| |
| mkdir -p "${FLINK_HOME}/plugins/${plugin_name}" |
| if [ ! -e "${FLINK_HOME}/opt/${target_plugin}" ]; then |
| echo "Plugin ${target_plugin} does not exist. Exiting." |
| exit 1 |
| else |
| ln -fs "${FLINK_HOME}/opt/${target_plugin}" "${FLINK_HOME}/plugins/${plugin_name}" |
| echo "Successfully enabled ${target_plugin}" |
| fi |
| done |
| } |
| |
| set_config_option() { |
| local option=$1 |
| local value=$2 |
| |
| # escape periods for usage in regular expressions |
| local escaped_option=$(echo ${option} | sed -e "s/\./\\\./g") |
| |
| # either override an existing entry, or append a new one |
| if grep -E "^${escaped_option}:.*" "${CONF_FILE}" > /dev/null; then |
| sed -i -e "s/${escaped_option}:.*/$option: $value/g" "${CONF_FILE}" |
| else |
| echo "${option}: ${value}" >> "${CONF_FILE}" |
| fi |
| } |
| |
| set_common_options() { |
| set_config_option jobmanager.rpc.address ${JOB_MANAGER_RPC_ADDRESS} |
| set_config_option blob.server.port 6124 |
| set_config_option query.server.port 6125 |
| } |
| |
| prepare_job_manager_start() { |
| echo "Starting Job Manager" |
| copy_plugins_if_required |
| |
| set_common_options |
| |
| if [ -n "${FLINK_PROPERTIES}" ]; then |
| echo "${FLINK_PROPERTIES}" >> "${CONF_FILE}" |
| fi |
| envsubst < "${CONF_FILE}" > "${CONF_FILE}.tmp" && mv "${CONF_FILE}.tmp" "${CONF_FILE}" |
| } |
| |
| if [ "$1" = "help" ]; then |
| echo "Usage: $(basename "$0") (jobmanager|${COMMAND_STANDALONE}|taskmanager|help)" |
| exit 0 |
| elif [ "$1" = "jobmanager" ]; then |
| shift 1 |
| prepare_job_manager_start |
| |
| exec $(drop_privs_cmd) "$FLINK_HOME/bin/jobmanager.sh" start-foreground "$@" |
| elif [ "$1" = ${COMMAND_STANDALONE} ]; then |
| shift 1 |
| prepare_job_manager_start |
| |
| exec $(drop_privs_cmd) "$FLINK_HOME/bin/standalone-job.sh" start-foreground "$@" |
| elif [ "$1" = "taskmanager" ]; then |
| shift 1 |
| echo "Starting Task Manager" |
| copy_plugins_if_required |
| |
| TASK_MANAGER_NUMBER_OF_TASK_SLOTS=${TASK_MANAGER_NUMBER_OF_TASK_SLOTS:-$(grep -c ^processor /proc/cpuinfo)} |
| |
| set_common_options |
| set_config_option taskmanager.numberOfTaskSlots ${TASK_MANAGER_NUMBER_OF_TASK_SLOTS} |
| |
| if [ -n "${FLINK_PROPERTIES}" ]; then |
| echo "${FLINK_PROPERTIES}" >> "${CONF_FILE}" |
| fi |
| envsubst < "${CONF_FILE}" > "${CONF_FILE}.tmp" && mv "${CONF_FILE}.tmp" "${CONF_FILE}" |
| |
| exec $(drop_privs_cmd) "$FLINK_HOME/bin/taskmanager.sh" start-foreground "$@" |
| fi |
| |
| exec "$@" |