chore: Update manifests after change
This commit is contained in:
@@ -0,0 +1,743 @@
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---
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# Source: argocd/charts/argo-cd/charts/redis-ha/templates/redis-ha-configmap.yaml
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: argocd-redis-ha-configmap
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namespace: "argocd"
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labels:
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heritage: Helm
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release: argocd
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chart: redis-ha-4.34.11
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app: argocd-redis-ha
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data:
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redis.conf: |
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dir "/data"
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port 6379
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rename-command FLUSHDB ""
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rename-command FLUSHALL ""
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maxmemory 0
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maxmemory-policy volatile-lru
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min-replicas-max-lag 5
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min-replicas-to-write 1
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rdbchecksum yes
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rdbcompression yes
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repl-diskless-sync yes
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save ""
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sentinel.conf: |
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dir "/data"
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port 26379
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sentinel down-after-milliseconds argocd 10000
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sentinel failover-timeout argocd 180000
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maxclients 10000
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sentinel parallel-syncs argocd 5
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init.sh: |
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echo "$(date) Start..."
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HOSTNAME="$(hostname)"
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INDEX="${HOSTNAME##*-}"
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SENTINEL_PORT=26379
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ANNOUNCE_IP=''
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MASTER=''
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MASTER_GROUP="argocd"
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QUORUM="2"
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REDIS_CONF=/data/conf/redis.conf
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REDIS_PORT=6379
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REDIS_TLS_PORT=
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SENTINEL_CONF=/data/conf/sentinel.conf
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SENTINEL_TLS_PORT=
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SERVICE=argocd-redis-ha
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SENTINEL_TLS_REPLICATION_ENABLED=false
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REDIS_TLS_REPLICATION_ENABLED=false
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set -eu
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sentinel_get_master() {
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set +e
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if [ "$SENTINEL_PORT" -eq 0 ]; then
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redis-cli -h "${SERVICE}" -p "${SENTINEL_TLS_PORT}" --tls --cacert /tls-certs/ca.crt --cert /tls-certs/redis.crt --key /tls-certs/redis.key sentinel get-master-addr-by-name "${MASTER_GROUP}" |\
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grep -E '((^\s*((([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]))\s*$)|(^\s*((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))(%.+)?s*$))'
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else
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redis-cli -h "${SERVICE}" -p "${SENTINEL_PORT}" sentinel get-master-addr-by-name "${MASTER_GROUP}" |\
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grep -E '((^\s*((([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]))\s*$)|(^\s*((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))(%.+)?s*$))'
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fi
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set -e
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}
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sentinel_get_master_retry() {
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master=''
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retry=${1}
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sleep=3
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for i in $(seq 1 "${retry}"); do
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master=$(sentinel_get_master)
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if [ -n "${master}" ]; then
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break
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fi
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sleep $((sleep + i))
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done
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echo "${master}"
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}
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identify_master() {
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echo "Identifying redis master (get-master-addr-by-name).."
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echo " using sentinel (argocd-redis-ha), sentinel group name (argocd)"
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MASTER="$(sentinel_get_master_retry 3)"
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if [ -n "${MASTER}" ]; then
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echo " $(date) Found redis master (${MASTER})"
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else
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echo " $(date) Did not find redis master (${MASTER})"
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fi
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}
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sentinel_update() {
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echo "Updating sentinel config.."
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echo " evaluating sentinel id (\${SENTINEL_ID_${INDEX}})"
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eval MY_SENTINEL_ID="\$SENTINEL_ID_${INDEX}"
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echo " sentinel id (${MY_SENTINEL_ID}), sentinel grp (${MASTER_GROUP}), quorum (${QUORUM})"
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sed -i "1s/^/sentinel myid ${MY_SENTINEL_ID}\\n/" "${SENTINEL_CONF}"
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if [ "$SENTINEL_TLS_REPLICATION_ENABLED" = true ]; then
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echo " redis master (${1}:${REDIS_TLS_PORT})"
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sed -i "2s/^/sentinel monitor ${MASTER_GROUP} ${1} ${REDIS_TLS_PORT} ${QUORUM} \\n/" "${SENTINEL_CONF}"
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else
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echo " redis master (${1}:${REDIS_PORT})"
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sed -i "2s/^/sentinel monitor ${MASTER_GROUP} ${1} ${REDIS_PORT} ${QUORUM} \\n/" "${SENTINEL_CONF}"
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fi
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echo "sentinel announce-ip ${ANNOUNCE_IP}" >> ${SENTINEL_CONF}
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if [ "$SENTINEL_PORT" -eq 0 ]; then
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echo " announce (${ANNOUNCE_IP}:${SENTINEL_TLS_PORT})"
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echo "sentinel announce-port ${SENTINEL_TLS_PORT}" >> ${SENTINEL_CONF}
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else
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echo " announce (${ANNOUNCE_IP}:${SENTINEL_PORT})"
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echo "sentinel announce-port ${SENTINEL_PORT}" >> ${SENTINEL_CONF}
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fi
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}
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redis_update() {
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echo "Updating redis config.."
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if [ "$REDIS_TLS_REPLICATION_ENABLED" = true ]; then
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echo " we are slave of redis master (${1}:${REDIS_TLS_PORT})"
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echo "slaveof ${1} ${REDIS_TLS_PORT}" >> "${REDIS_CONF}"
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echo "slave-announce-port ${REDIS_TLS_PORT}" >> ${REDIS_CONF}
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else
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echo " we are slave of redis master (${1}:${REDIS_PORT})"
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echo "slaveof ${1} ${REDIS_PORT}" >> "${REDIS_CONF}"
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echo "slave-announce-port ${REDIS_PORT}" >> ${REDIS_CONF}
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fi
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echo "slave-announce-ip ${ANNOUNCE_IP}" >> ${REDIS_CONF}
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}
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copy_config() {
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echo "Copying default redis config.."
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echo " to '${REDIS_CONF}'"
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cp /readonly-config/redis.conf "${REDIS_CONF}"
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echo "Copying default sentinel config.."
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echo " to '${SENTINEL_CONF}'"
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cp /readonly-config/sentinel.conf "${SENTINEL_CONF}"
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}
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setup_defaults() {
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echo "Setting up defaults.."
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echo " using statefulset index (${INDEX})"
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if [ "${INDEX}" = "0" ]; then
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echo "Setting this pod as master for redis and sentinel.."
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echo " using announce (${ANNOUNCE_IP})"
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redis_update "${ANNOUNCE_IP}"
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sentinel_update "${ANNOUNCE_IP}"
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echo " make sure ${ANNOUNCE_IP} is not a slave (slaveof no one)"
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sed -i "s/^.*slaveof.*//" "${REDIS_CONF}"
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else
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echo "Getting redis master ip.."
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echo " blindly assuming (${SERVICE}-announce-0) or (${SERVICE}-server-0) are master"
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DEFAULT_MASTER="$(getent_hosts 0 | awk '{ print $1 }')"
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if [ -z "${DEFAULT_MASTER}" ]; then
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echo "Error: Unable to resolve redis master (getent hosts)."
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exit 1
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fi
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echo " identified redis (may be redis master) ip (${DEFAULT_MASTER})"
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echo "Setting default slave config for redis and sentinel.."
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echo " using master ip (${DEFAULT_MASTER})"
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redis_update "${DEFAULT_MASTER}"
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sentinel_update "${DEFAULT_MASTER}"
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fi
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}
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redis_ping() {
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set +e
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if [ "$REDIS_PORT" -eq 0 ]; then
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redis-cli -h "${MASTER}" -p "${REDIS_TLS_PORT}" --tls --cacert /tls-certs/ca.crt --cert /tls-certs/redis.crt --key /tls-certs/redis.key ping
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else
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redis-cli -h "${MASTER}" -p "${REDIS_PORT}" ping
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fi
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set -e
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}
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redis_ping_retry() {
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ping=''
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retry=${1}
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sleep=3
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for i in $(seq 1 "${retry}"); do
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if [ "$(redis_ping)" = "PONG" ]; then
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ping='PONG'
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break
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fi
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sleep $((sleep + i))
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MASTER=$(sentinel_get_master)
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done
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echo "${ping}"
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}
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find_master() {
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echo "Verifying redis master.."
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if [ "$REDIS_PORT" -eq 0 ]; then
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echo " ping (${MASTER}:${REDIS_TLS_PORT})"
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else
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echo " ping (${MASTER}:${REDIS_PORT})"
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fi
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if [ "$(redis_ping_retry 3)" != "PONG" ]; then
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echo " $(date) Can't ping redis master (${MASTER})"
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echo "Attempting to force failover (sentinel failover).."
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if [ "$SENTINEL_PORT" -eq 0 ]; then
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echo " on sentinel (${SERVICE}:${SENTINEL_TLS_PORT}), sentinel grp (${MASTER_GROUP})"
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if redis-cli -h "${SERVICE}" -p "${SENTINEL_TLS_PORT}" --tls --cacert /tls-certs/ca.crt --cert /tls-certs/redis.crt --key /tls-certs/redis.key sentinel failover "${MASTER_GROUP}" | grep -q 'NOGOODSLAVE' ; then
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echo " $(date) Failover returned with 'NOGOODSLAVE'"
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echo "Setting defaults for this pod.."
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setup_defaults
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return 0
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fi
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else
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echo " on sentinel (${SERVICE}:${SENTINEL_PORT}), sentinel grp (${MASTER_GROUP})"
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if redis-cli -h "${SERVICE}" -p "${SENTINEL_PORT}" sentinel failover "${MASTER_GROUP}" | grep -q 'NOGOODSLAVE' ; then
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echo " $(date) Failover returned with 'NOGOODSLAVE'"
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echo "Setting defaults for this pod.."
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setup_defaults
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return 0
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fi
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fi
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echo "Hold on for 10sec"
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sleep 10
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echo "We should get redis master's ip now. Asking (get-master-addr-by-name).."
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if [ "$SENTINEL_PORT" -eq 0 ]; then
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echo " sentinel (${SERVICE}:${SENTINEL_TLS_PORT}), sentinel grp (${MASTER_GROUP})"
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else
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echo " sentinel (${SERVICE}:${SENTINEL_PORT}), sentinel grp (${MASTER_GROUP})"
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fi
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MASTER="$(sentinel_get_master)"
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if [ "${MASTER}" ]; then
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echo " $(date) Found redis master (${MASTER})"
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echo "Updating redis and sentinel config.."
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sentinel_update "${MASTER}"
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redis_update "${MASTER}"
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else
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echo "$(date) Error: Could not failover, exiting..."
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exit 1
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fi
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else
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echo " $(date) Found reachable redis master (${MASTER})"
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echo "Updating redis and sentinel config.."
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sentinel_update "${MASTER}"
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redis_update "${MASTER}"
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fi
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}
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redis_ro_update() {
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echo "Updating read-only redis config.."
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echo " redis.conf set 'replica-priority 0'"
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echo "replica-priority 0" >> ${REDIS_CONF}
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}
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getent_hosts() {
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index=${1:-${INDEX}}
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service="${SERVICE}-announce-${index}"
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host=$(getent hosts "${service}")
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echo "${host}"
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}
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identify_announce_ip() {
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echo "Identify announce ip for this pod.."
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echo " using (${SERVICE}-announce-${INDEX}) or (${SERVICE}-server-${INDEX})"
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ANNOUNCE_IP=$(getent_hosts | awk '{ print $1 }')
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echo " identified announce (${ANNOUNCE_IP})"
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}
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mkdir -p /data/conf/
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echo "Initializing config.."
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copy_config
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# where is redis master
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identify_master
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identify_announce_ip
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if [ -z "${ANNOUNCE_IP}" ]; then
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"Error: Could not resolve the announce ip for this pod"
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exit 1
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elif [ "${MASTER}" ]; then
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find_master
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else
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setup_defaults
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fi
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if [ "${AUTH:-}" ]; then
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echo "Setting redis auth values.."
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ESCAPED_AUTH=$(echo "${AUTH}" | sed -e 's/[\/&]/\\&/g');
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sed -i "s/replace-default-auth/${ESCAPED_AUTH}/" "${REDIS_CONF}" "${SENTINEL_CONF}"
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fi
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if [ "${SENTINELAUTH:-}" ]; then
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echo "Setting sentinel auth values"
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ESCAPED_AUTH_SENTINEL=$(echo "$SENTINELAUTH" | sed -e 's/[\/&]/\\&/g');
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sed -i "s/replace-default-sentinel-auth/${ESCAPED_AUTH_SENTINEL}/" "$SENTINEL_CONF"
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fi
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echo "$(date) Ready..."
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fix-split-brain.sh: |
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HOSTNAME="$(hostname)"
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INDEX="${HOSTNAME##*-}"
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SENTINEL_PORT=26379
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ANNOUNCE_IP=''
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MASTER=''
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MASTER_GROUP="argocd"
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QUORUM="2"
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REDIS_CONF=/data/conf/redis.conf
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REDIS_PORT=6379
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REDIS_TLS_PORT=
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SENTINEL_CONF=/data/conf/sentinel.conf
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SENTINEL_TLS_PORT=
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SERVICE=argocd-redis-ha
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SENTINEL_TLS_REPLICATION_ENABLED=false
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REDIS_TLS_REPLICATION_ENABLED=false
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ROLE=''
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REDIS_MASTER=''
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set -eu
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sentinel_get_master() {
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set +e
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if [ "$SENTINEL_PORT" -eq 0 ]; then
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redis-cli -h "${SERVICE}" -p "${SENTINEL_TLS_PORT}" --tls --cacert /tls-certs/ca.crt --cert /tls-certs/redis.crt --key /tls-certs/redis.key sentinel get-master-addr-by-name "${MASTER_GROUP}" |\
|
||||
grep -E '((^\s*((([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]))\s*$)|(^\s*((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))(%.+)?s*$))'
|
||||
else
|
||||
redis-cli -h "${SERVICE}" -p "${SENTINEL_PORT}" sentinel get-master-addr-by-name "${MASTER_GROUP}" |\
|
||||
grep -E '((^\s*((([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]))\s*$)|(^\s*((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))(%.+)?s*$))'
|
||||
fi
|
||||
set -e
|
||||
}
|
||||
|
||||
sentinel_get_master_retry() {
|
||||
master=''
|
||||
retry=${1}
|
||||
sleep=3
|
||||
for i in $(seq 1 "${retry}"); do
|
||||
master=$(sentinel_get_master)
|
||||
if [ -n "${master}" ]; then
|
||||
break
|
||||
fi
|
||||
sleep $((sleep + i))
|
||||
done
|
||||
echo "${master}"
|
||||
}
|
||||
|
||||
identify_master() {
|
||||
echo "Identifying redis master (get-master-addr-by-name).."
|
||||
echo " using sentinel (argocd-redis-ha), sentinel group name (argocd)"
|
||||
MASTER="$(sentinel_get_master_retry 3)"
|
||||
if [ -n "${MASTER}" ]; then
|
||||
echo " $(date) Found redis master (${MASTER})"
|
||||
else
|
||||
echo " $(date) Did not find redis master (${MASTER})"
|
||||
fi
|
||||
}
|
||||
|
||||
sentinel_update() {
|
||||
echo "Updating sentinel config.."
|
||||
echo " evaluating sentinel id (\${SENTINEL_ID_${INDEX}})"
|
||||
eval MY_SENTINEL_ID="\$SENTINEL_ID_${INDEX}"
|
||||
echo " sentinel id (${MY_SENTINEL_ID}), sentinel grp (${MASTER_GROUP}), quorum (${QUORUM})"
|
||||
sed -i "1s/^/sentinel myid ${MY_SENTINEL_ID}\\n/" "${SENTINEL_CONF}"
|
||||
if [ "$SENTINEL_TLS_REPLICATION_ENABLED" = true ]; then
|
||||
echo " redis master (${1}:${REDIS_TLS_PORT})"
|
||||
sed -i "2s/^/sentinel monitor ${MASTER_GROUP} ${1} ${REDIS_TLS_PORT} ${QUORUM} \\n/" "${SENTINEL_CONF}"
|
||||
else
|
||||
echo " redis master (${1}:${REDIS_PORT})"
|
||||
sed -i "2s/^/sentinel monitor ${MASTER_GROUP} ${1} ${REDIS_PORT} ${QUORUM} \\n/" "${SENTINEL_CONF}"
|
||||
fi
|
||||
echo "sentinel announce-ip ${ANNOUNCE_IP}" >> ${SENTINEL_CONF}
|
||||
if [ "$SENTINEL_PORT" -eq 0 ]; then
|
||||
echo " announce (${ANNOUNCE_IP}:${SENTINEL_TLS_PORT})"
|
||||
echo "sentinel announce-port ${SENTINEL_TLS_PORT}" >> ${SENTINEL_CONF}
|
||||
else
|
||||
echo " announce (${ANNOUNCE_IP}:${SENTINEL_PORT})"
|
||||
echo "sentinel announce-port ${SENTINEL_PORT}" >> ${SENTINEL_CONF}
|
||||
fi
|
||||
}
|
||||
|
||||
redis_update() {
|
||||
echo "Updating redis config.."
|
||||
if [ "$REDIS_TLS_REPLICATION_ENABLED" = true ]; then
|
||||
echo " we are slave of redis master (${1}:${REDIS_TLS_PORT})"
|
||||
echo "slaveof ${1} ${REDIS_TLS_PORT}" >> "${REDIS_CONF}"
|
||||
echo "slave-announce-port ${REDIS_TLS_PORT}" >> ${REDIS_CONF}
|
||||
else
|
||||
echo " we are slave of redis master (${1}:${REDIS_PORT})"
|
||||
echo "slaveof ${1} ${REDIS_PORT}" >> "${REDIS_CONF}"
|
||||
echo "slave-announce-port ${REDIS_PORT}" >> ${REDIS_CONF}
|
||||
fi
|
||||
echo "slave-announce-ip ${ANNOUNCE_IP}" >> ${REDIS_CONF}
|
||||
}
|
||||
|
||||
copy_config() {
|
||||
echo "Copying default redis config.."
|
||||
echo " to '${REDIS_CONF}'"
|
||||
cp /readonly-config/redis.conf "${REDIS_CONF}"
|
||||
echo "Copying default sentinel config.."
|
||||
echo " to '${SENTINEL_CONF}'"
|
||||
cp /readonly-config/sentinel.conf "${SENTINEL_CONF}"
|
||||
}
|
||||
|
||||
setup_defaults() {
|
||||
echo "Setting up defaults.."
|
||||
echo " using statefulset index (${INDEX})"
|
||||
if [ "${INDEX}" = "0" ]; then
|
||||
echo "Setting this pod as master for redis and sentinel.."
|
||||
echo " using announce (${ANNOUNCE_IP})"
|
||||
redis_update "${ANNOUNCE_IP}"
|
||||
sentinel_update "${ANNOUNCE_IP}"
|
||||
echo " make sure ${ANNOUNCE_IP} is not a slave (slaveof no one)"
|
||||
sed -i "s/^.*slaveof.*//" "${REDIS_CONF}"
|
||||
else
|
||||
echo "Getting redis master ip.."
|
||||
echo " blindly assuming (${SERVICE}-announce-0) or (${SERVICE}-server-0) are master"
|
||||
DEFAULT_MASTER="$(getent_hosts 0 | awk '{ print $1 }')"
|
||||
if [ -z "${DEFAULT_MASTER}" ]; then
|
||||
echo "Error: Unable to resolve redis master (getent hosts)."
|
||||
exit 1
|
||||
fi
|
||||
echo " identified redis (may be redis master) ip (${DEFAULT_MASTER})"
|
||||
echo "Setting default slave config for redis and sentinel.."
|
||||
echo " using master ip (${DEFAULT_MASTER})"
|
||||
redis_update "${DEFAULT_MASTER}"
|
||||
sentinel_update "${DEFAULT_MASTER}"
|
||||
fi
|
||||
}
|
||||
|
||||
redis_ping() {
|
||||
set +e
|
||||
if [ "$REDIS_PORT" -eq 0 ]; then
|
||||
redis-cli -h "${MASTER}" -p "${REDIS_TLS_PORT}" --tls --cacert /tls-certs/ca.crt --cert /tls-certs/redis.crt --key /tls-certs/redis.key ping
|
||||
else
|
||||
redis-cli -h "${MASTER}" -p "${REDIS_PORT}" ping
|
||||
fi
|
||||
set -e
|
||||
}
|
||||
|
||||
redis_ping_retry() {
|
||||
ping=''
|
||||
retry=${1}
|
||||
sleep=3
|
||||
for i in $(seq 1 "${retry}"); do
|
||||
if [ "$(redis_ping)" = "PONG" ]; then
|
||||
ping='PONG'
|
||||
break
|
||||
fi
|
||||
sleep $((sleep + i))
|
||||
MASTER=$(sentinel_get_master)
|
||||
done
|
||||
echo "${ping}"
|
||||
}
|
||||
|
||||
find_master() {
|
||||
echo "Verifying redis master.."
|
||||
if [ "$REDIS_PORT" -eq 0 ]; then
|
||||
echo " ping (${MASTER}:${REDIS_TLS_PORT})"
|
||||
else
|
||||
echo " ping (${MASTER}:${REDIS_PORT})"
|
||||
fi
|
||||
if [ "$(redis_ping_retry 3)" != "PONG" ]; then
|
||||
echo " $(date) Can't ping redis master (${MASTER})"
|
||||
echo "Attempting to force failover (sentinel failover).."
|
||||
|
||||
if [ "$SENTINEL_PORT" -eq 0 ]; then
|
||||
echo " on sentinel (${SERVICE}:${SENTINEL_TLS_PORT}), sentinel grp (${MASTER_GROUP})"
|
||||
if redis-cli -h "${SERVICE}" -p "${SENTINEL_TLS_PORT}" --tls --cacert /tls-certs/ca.crt --cert /tls-certs/redis.crt --key /tls-certs/redis.key sentinel failover "${MASTER_GROUP}" | grep -q 'NOGOODSLAVE' ; then
|
||||
echo " $(date) Failover returned with 'NOGOODSLAVE'"
|
||||
echo "Setting defaults for this pod.."
|
||||
setup_defaults
|
||||
return 0
|
||||
fi
|
||||
else
|
||||
echo " on sentinel (${SERVICE}:${SENTINEL_PORT}), sentinel grp (${MASTER_GROUP})"
|
||||
if redis-cli -h "${SERVICE}" -p "${SENTINEL_PORT}" sentinel failover "${MASTER_GROUP}" | grep -q 'NOGOODSLAVE' ; then
|
||||
echo " $(date) Failover returned with 'NOGOODSLAVE'"
|
||||
echo "Setting defaults for this pod.."
|
||||
setup_defaults
|
||||
return 0
|
||||
fi
|
||||
fi
|
||||
|
||||
echo "Hold on for 10sec"
|
||||
sleep 10
|
||||
echo "We should get redis master's ip now. Asking (get-master-addr-by-name).."
|
||||
if [ "$SENTINEL_PORT" -eq 0 ]; then
|
||||
echo " sentinel (${SERVICE}:${SENTINEL_TLS_PORT}), sentinel grp (${MASTER_GROUP})"
|
||||
else
|
||||
echo " sentinel (${SERVICE}:${SENTINEL_PORT}), sentinel grp (${MASTER_GROUP})"
|
||||
fi
|
||||
MASTER="$(sentinel_get_master)"
|
||||
if [ "${MASTER}" ]; then
|
||||
echo " $(date) Found redis master (${MASTER})"
|
||||
echo "Updating redis and sentinel config.."
|
||||
sentinel_update "${MASTER}"
|
||||
redis_update "${MASTER}"
|
||||
else
|
||||
echo "$(date) Error: Could not failover, exiting..."
|
||||
exit 1
|
||||
fi
|
||||
else
|
||||
echo " $(date) Found reachable redis master (${MASTER})"
|
||||
echo "Updating redis and sentinel config.."
|
||||
sentinel_update "${MASTER}"
|
||||
redis_update "${MASTER}"
|
||||
fi
|
||||
}
|
||||
|
||||
redis_ro_update() {
|
||||
echo "Updating read-only redis config.."
|
||||
echo " redis.conf set 'replica-priority 0'"
|
||||
echo "replica-priority 0" >> ${REDIS_CONF}
|
||||
}
|
||||
|
||||
getent_hosts() {
|
||||
index=${1:-${INDEX}}
|
||||
service="${SERVICE}-announce-${index}"
|
||||
host=$(getent hosts "${service}")
|
||||
echo "${host}"
|
||||
}
|
||||
|
||||
identify_announce_ip() {
|
||||
echo "Identify announce ip for this pod.."
|
||||
echo " using (${SERVICE}-announce-${INDEX}) or (${SERVICE}-server-${INDEX})"
|
||||
ANNOUNCE_IP=$(getent_hosts | awk '{ print $1 }')
|
||||
echo " identified announce (${ANNOUNCE_IP})"
|
||||
}
|
||||
|
||||
redis_role() {
|
||||
set +e
|
||||
if [ "$REDIS_PORT" -eq 0 ]; then
|
||||
ROLE=$(redis-cli -p "${REDIS_TLS_PORT}" --tls --cacert /tls-certs/ca.crt --cert /tls-certs/redis.crt --key /tls-certs/redis.key info | grep role | sed 's/role://' | sed 's/\r//')
|
||||
else
|
||||
ROLE=$(redis-cli -p "${REDIS_PORT}" info | grep role | sed 's/role://' | sed 's/\r//')
|
||||
fi
|
||||
set -e
|
||||
}
|
||||
|
||||
identify_redis_master() {
|
||||
set +e
|
||||
if [ "$REDIS_PORT" -eq 0 ]; then
|
||||
REDIS_MASTER=$(redis-cli -p "${REDIS_TLS_PORT}" --tls --cacert /tls-certs/ca.crt --cert /tls-certs/redis.crt --key /tls-certs/redis.key info | grep master_host | sed 's/master_host://' | sed 's/\r//')
|
||||
else
|
||||
REDIS_MASTER=$(redis-cli -p "${REDIS_PORT}" info | grep master_host | sed 's/master_host://' | sed 's/\r//')
|
||||
fi
|
||||
set -e
|
||||
}
|
||||
|
||||
reinit() {
|
||||
set +e
|
||||
sh /readonly-config/init.sh
|
||||
|
||||
if [ "$REDIS_PORT" -eq 0 ]; then
|
||||
echo "shutdown" | redis-cli -p "${REDIS_TLS_PORT}" --tls --cacert /tls-certs/ca.crt --cert /tls-certs/redis.crt --key /tls-certs/redis.key
|
||||
else
|
||||
echo "shutdown" | redis-cli -p "${REDIS_PORT}"
|
||||
fi
|
||||
set -e
|
||||
}
|
||||
|
||||
identify_announce_ip
|
||||
|
||||
while [ -z "${ANNOUNCE_IP}" ]; do
|
||||
echo "Error: Could not resolve the announce ip for this pod."
|
||||
sleep 30
|
||||
identify_announce_ip
|
||||
done
|
||||
|
||||
trap "exit 0" TERM
|
||||
while true; do
|
||||
sleep 60
|
||||
|
||||
# where is redis master
|
||||
identify_master
|
||||
|
||||
if [ "$MASTER" = "$ANNOUNCE_IP" ]; then
|
||||
redis_role
|
||||
if [ "$ROLE" != "master" ]; then
|
||||
echo "waiting for redis to become master"
|
||||
sleep 10
|
||||
identify_master
|
||||
redis_role
|
||||
echo "Redis role is $ROLE, expected role is master. No need to reinitialize."
|
||||
if [ "$ROLE" != "master" ]; then
|
||||
echo "Redis role is $ROLE, expected role is master, reinitializing"
|
||||
reinit
|
||||
fi
|
||||
fi
|
||||
elif [ "${MASTER}" ]; then
|
||||
identify_redis_master
|
||||
if [ "$REDIS_MASTER" != "$MASTER" ]; then
|
||||
echo "Redis master and local master are not the same. waiting."
|
||||
sleep 10
|
||||
identify_master
|
||||
identify_redis_master
|
||||
echo "Redis master is ${MASTER}, expected master is ${REDIS_MASTER}. No need to reinitialize."
|
||||
if [ "${REDIS_MASTER}" != "${MASTER}" ]; then
|
||||
echo "Redis master is ${MASTER}, expected master is ${REDIS_MASTER}, reinitializing"
|
||||
reinit
|
||||
fi
|
||||
fi
|
||||
fi
|
||||
done
|
||||
haproxy.cfg: |
|
||||
defaults REDIS
|
||||
mode tcp
|
||||
timeout connect 4s
|
||||
timeout server 330s
|
||||
timeout client 330s
|
||||
timeout check 2s
|
||||
|
||||
listen health_check_http_url
|
||||
bind [::]:8888 v4v6
|
||||
mode http
|
||||
monitor-uri /healthz
|
||||
option dontlognull
|
||||
# Check Sentinel and whether they are nominated master
|
||||
backend check_if_redis_is_master_0
|
||||
mode tcp
|
||||
option tcp-check
|
||||
tcp-check connect
|
||||
tcp-check send PING\r\n
|
||||
tcp-check expect string +PONG
|
||||
tcp-check send SENTINEL\ get-master-addr-by-name\ argocd\r\n
|
||||
tcp-check expect string REPLACE_ANNOUNCE0
|
||||
tcp-check send QUIT\r\n
|
||||
server R0 argocd-redis-ha-announce-0:26379 check inter 1s
|
||||
server R1 argocd-redis-ha-announce-1:26379 check inter 1s
|
||||
server R2 argocd-redis-ha-announce-2:26379 check inter 1s
|
||||
# Check Sentinel and whether they are nominated master
|
||||
backend check_if_redis_is_master_1
|
||||
mode tcp
|
||||
option tcp-check
|
||||
tcp-check connect
|
||||
tcp-check send PING\r\n
|
||||
tcp-check expect string +PONG
|
||||
tcp-check send SENTINEL\ get-master-addr-by-name\ argocd\r\n
|
||||
tcp-check expect string REPLACE_ANNOUNCE1
|
||||
tcp-check send QUIT\r\n
|
||||
server R0 argocd-redis-ha-announce-0:26379 check inter 1s
|
||||
server R1 argocd-redis-ha-announce-1:26379 check inter 1s
|
||||
server R2 argocd-redis-ha-announce-2:26379 check inter 1s
|
||||
# Check Sentinel and whether they are nominated master
|
||||
backend check_if_redis_is_master_2
|
||||
mode tcp
|
||||
option tcp-check
|
||||
tcp-check connect
|
||||
tcp-check send PING\r\n
|
||||
tcp-check expect string +PONG
|
||||
tcp-check send SENTINEL\ get-master-addr-by-name\ argocd\r\n
|
||||
tcp-check expect string REPLACE_ANNOUNCE2
|
||||
tcp-check send QUIT\r\n
|
||||
server R0 argocd-redis-ha-announce-0:26379 check inter 1s
|
||||
server R1 argocd-redis-ha-announce-1:26379 check inter 1s
|
||||
server R2 argocd-redis-ha-announce-2:26379 check inter 1s
|
||||
|
||||
# decide redis backend to use
|
||||
#master
|
||||
frontend ft_redis_master
|
||||
bind [::]:6379 v4v6
|
||||
use_backend bk_redis_master
|
||||
# Check all redis servers to see if they think they are master
|
||||
backend bk_redis_master
|
||||
mode tcp
|
||||
option tcp-check
|
||||
tcp-check connect
|
||||
tcp-check send PING\r\n
|
||||
tcp-check expect string +PONG
|
||||
tcp-check send info\ replication\r\n
|
||||
tcp-check expect string role:master
|
||||
tcp-check send QUIT\r\n
|
||||
tcp-check expect string +OK
|
||||
use-server R0 if { srv_is_up(R0) } { nbsrv(check_if_redis_is_master_0) ge 2 }
|
||||
server R0 argocd-redis-ha-announce-0:6379 check inter 1s fall 1 rise 1
|
||||
use-server R1 if { srv_is_up(R1) } { nbsrv(check_if_redis_is_master_1) ge 2 }
|
||||
server R1 argocd-redis-ha-announce-1:6379 check inter 1s fall 1 rise 1
|
||||
use-server R2 if { srv_is_up(R2) } { nbsrv(check_if_redis_is_master_2) ge 2 }
|
||||
server R2 argocd-redis-ha-announce-2:6379 check inter 1s fall 1 rise 1
|
||||
frontend stats
|
||||
mode http
|
||||
bind [::]:9101 v4v6
|
||||
http-request use-service prometheus-exporter if { path /metrics }
|
||||
stats enable
|
||||
stats uri /stats
|
||||
stats refresh 10s
|
||||
haproxy_init.sh: |
|
||||
HAPROXY_CONF=/data/haproxy.cfg
|
||||
cp /readonly/haproxy.cfg "$HAPROXY_CONF"
|
||||
for loop in $(seq 1 10); do
|
||||
getent hosts argocd-redis-ha-announce-0 && break
|
||||
echo "Waiting for service argocd-redis-ha-announce-0 to be ready ($loop) ..." && sleep 1
|
||||
done
|
||||
ANNOUNCE_IP0=$(getent hosts "argocd-redis-ha-announce-0" | awk '{ print $1 }')
|
||||
if [ -z "$ANNOUNCE_IP0" ]; then
|
||||
echo "Could not resolve the announce ip for argocd-redis-ha-announce-0"
|
||||
exit 1
|
||||
fi
|
||||
sed -i "s/REPLACE_ANNOUNCE0/$ANNOUNCE_IP0/" "$HAPROXY_CONF"
|
||||
for loop in $(seq 1 10); do
|
||||
getent hosts argocd-redis-ha-announce-1 && break
|
||||
echo "Waiting for service argocd-redis-ha-announce-1 to be ready ($loop) ..." && sleep 1
|
||||
done
|
||||
ANNOUNCE_IP1=$(getent hosts "argocd-redis-ha-announce-1" | awk '{ print $1 }')
|
||||
if [ -z "$ANNOUNCE_IP1" ]; then
|
||||
echo "Could not resolve the announce ip for argocd-redis-ha-announce-1"
|
||||
exit 1
|
||||
fi
|
||||
sed -i "s/REPLACE_ANNOUNCE1/$ANNOUNCE_IP1/" "$HAPROXY_CONF"
|
||||
for loop in $(seq 1 10); do
|
||||
getent hosts argocd-redis-ha-announce-2 && break
|
||||
echo "Waiting for service argocd-redis-ha-announce-2 to be ready ($loop) ..." && sleep 1
|
||||
done
|
||||
ANNOUNCE_IP2=$(getent hosts "argocd-redis-ha-announce-2" | awk '{ print $1 }')
|
||||
if [ -z "$ANNOUNCE_IP2" ]; then
|
||||
echo "Could not resolve the announce ip for argocd-redis-ha-announce-2"
|
||||
exit 1
|
||||
fi
|
||||
sed -i "s/REPLACE_ANNOUNCE2/$ANNOUNCE_IP2/" "$HAPROXY_CONF"
|
||||
trigger-failover-if-master.sh: |
|
||||
get_redis_role() {
|
||||
is_master=$(
|
||||
redis-cli \
|
||||
-h localhost \
|
||||
-p 6379 \
|
||||
info | grep -c 'role:master' || true
|
||||
)
|
||||
}
|
||||
get_redis_role
|
||||
if [[ "$is_master" -eq 1 ]]; then
|
||||
echo "This node is currently master, we trigger a failover."
|
||||
response=$(
|
||||
redis-cli \
|
||||
-h localhost \
|
||||
-p 26379 \
|
||||
SENTINEL failover argocd
|
||||
)
|
||||
if [[ "$response" != "OK" ]] ; then
|
||||
echo "$response"
|
||||
exit 1
|
||||
fi
|
||||
timeout=30
|
||||
while [[ "$is_master" -eq 1 && $timeout -gt 0 ]]; do
|
||||
sleep 1
|
||||
get_redis_role
|
||||
timeout=$((timeout - 1))
|
||||
done
|
||||
echo "Failover successful"
|
||||
fi
|
||||
Reference in New Issue
Block a user