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- #!/bin/bash
- # Copyright 2014 The Kubernetes Authors All rights reserved.
- #
- # 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.
- function launchmaster() {
- if [[ ! -e /redis-master-data ]]; then
- echo "Redis master data doesn't exist, data won't be persistent!"
- mkdir /redis-master-data
- fi
- redis-server /redis-master/redis.conf
- }
- function launchsentinel() {
- while true; do
- master=$(redis-cli -h ${REDIS_SENTINEL_SERVICE_HOST} -p ${REDIS_SENTINEL_SERVICE_PORT} --csv SENTINEL get-master-addr-by-name mymaster | tr ',' ' ' | cut -d' ' -f1)
- if [[ -n ${master} ]]; then
- master="${master//\"}"
- else
- master="${REDIS_MASTER_SERVICE_HOST}"
- fi
- redis-cli -h ${master} INFO
- if [[ "$?" == "0" ]]; then
- break
- fi
- echo "Connecting to master failed. Waiting..."
- sleep 10
- done
- sentinel_conf=/redis-sentinel/sentinel.conf
- echo "sentinel monitor mymaster ${master} 6379 2" > ${sentinel_conf}
- echo "sentinel down-after-milliseconds mymaster 60000" >> ${sentinel_conf}
- echo "sentinel failover-timeout mymaster 180000" >> ${sentinel_conf}
- echo "sentinel parallel-syncs mymaster 1" >> ${sentinel_conf}
- redis-sentinel ${sentinel_conf}
- }
- function launchslave() {
- while true; do
- master=$(redis-cli -h ${REDIS_SENTINEL_SERVICE_HOST} -p ${REDIS_SENTINEL_SERVICE_PORT} --csv SENTINEL get-master-addr-by-name mymaster | tr ',' ' ' | cut -d' ' -f1)
- if [[ -n ${master} ]]; then
- master="${master//\"}"
- else
- echo "Failed to find master."
- sleep 60
- exit 1
- fi
- redis-cli -h ${master} INFO
- if [[ "$?" == "0" ]]; then
- break
- fi
- echo "Connecting to master failed. Waiting..."
- sleep 10
- done
- sed -i "s/%master-ip%/${master}/" /redis-slave/redis.conf
- sed -i "s/%master-port%/6379/" /redis-slave/redis.conf
- redis-server /redis-slave/redis.conf
- }
- if [[ "${MASTER}" == "true" ]]; then
- launchmaster
- exit 0
- fi
- if [[ "${SENTINEL}" == "true" ]]; then
- launchsentinel
- exit 0
- fi
- launchslave
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