mirror of https://github.com/k3s-io/k3s
86 lines
2.5 KiB
Bash
Executable File
86 lines
2.5 KiB
Bash
Executable File
#!/bin/bash
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# Copyright 2014 The Kubernetes Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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function launchmaster() {
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if [[ ! -e /redis-master-data ]]; then
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echo "Redis master data doesn't exist, data won't be persistent!"
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mkdir /redis-master-data
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fi
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redis-server /redis-master/redis.conf --protected-mode no
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}
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function launchsentinel() {
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while true; do
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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)
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if [[ -n ${master} ]]; then
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master="${master//\"}"
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else
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master=$(hostname -i)
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fi
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redis-cli -h ${master} INFO
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if [[ "$?" == "0" ]]; then
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break
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fi
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echo "Connecting to master failed. Waiting..."
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sleep 10
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done
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sentinel_conf=sentinel.conf
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echo "sentinel monitor mymaster ${master} 6379 2" > ${sentinel_conf}
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echo "sentinel down-after-milliseconds mymaster 60000" >> ${sentinel_conf}
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echo "sentinel failover-timeout mymaster 180000" >> ${sentinel_conf}
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echo "sentinel parallel-syncs mymaster 1" >> ${sentinel_conf}
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echo "bind 0.0.0.0" >> ${sentinel_conf}
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redis-sentinel ${sentinel_conf} --protected-mode no
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}
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function launchslave() {
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while true; do
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master=$(redis-cli -h ${REDIS_SENTINEL_SERVICE_HOST} -p ${REDIS_SENTINEL_SERVICE_PORT} --csv SENTINEL get-master-addr-by-name mymaster | tr ',' ' ' | cut -d' ' -f1)
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if [[ -n ${master} ]]; then
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master="${master//\"}"
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else
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echo "Failed to find master."
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sleep 60
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exit 1
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fi
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redis-cli -h ${master} INFO
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if [[ "$?" == "0" ]]; then
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break
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fi
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echo "Connecting to master failed. Waiting..."
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sleep 10
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done
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sed -i "s/%master-ip%/${master}/" /redis-slave/redis.conf
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sed -i "s/%master-port%/6379/" /redis-slave/redis.conf
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redis-server /redis-slave/redis.conf --protected-mode no
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}
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if [[ "${MASTER}" == "true" ]]; then
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launchmaster
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exit 0
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fi
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if [[ "${SENTINEL}" == "true" ]]; then
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launchsentinel
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exit 0
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fi
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launchslave
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