openstack-helm-infra/rabbitmq/templates/bin/_rabbitmq-start.sh.tpl
sg774j 87afa2fb8c Rabbitmq: Correct reset_rabbit function
Made correction to this function to not attempt to delete
/var/lib/rabbitmq/

Change-Id: Ied16be1ec83d528f2660ef96389c3f236983aa79
2019-08-15 18:22:01 +00:00

100 lines
3.2 KiB
Smarty

#!/bin/bash
{{/*
Copyright 2017 The Openstack-Helm 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.
*/}}
set -ex
function check_if_open () {
HOST=$1
PORT=$2
timeout 10 bash -c "true &>/dev/null </dev/tcp/${HOST}/${PORT}"
}
function check_rabbit_node_health () {
CLUSTER_SEED_NAME=$1
rabbitmq-diagnostics node_health_check -n "${CLUSTER_SEED_NAME}" -t 10 &>/dev/null
}
get_node_name () {
TARGET_POD=$1
POD_NAME_PREFIX="$(echo "${MY_POD_NAME}" | awk 'BEGIN{FS=OFS="-"}{NF--; print}')"
echo "${RABBITMQ_NODENAME}" | awk -F "@${MY_POD_NAME}." "{ print \$1 \"@${POD_NAME_PREFIX}-${TARGET_POD}.\" \$2 }"
}
function check_rabbit_node_ready () {
TARGET_POD=$1
CLUSTER_SEED_NAME="$(get_node_name ${TARGET_POD})"
CLUSTER_SEED_HOST="$(echo "${CLUSTER_SEED_NAME}" | awk -F '@' '{ print $NF }')"
check_rabbit_node_health "${CLUSTER_SEED_NAME}" && \
check_if_open "${CLUSTER_SEED_HOST}" "${PORT_HTTP}" && \
check_if_open "${CLUSTER_SEED_HOST}" "${PORT_AMPQ}" && \
check_if_open "${CLUSTER_SEED_HOST}" "${PORT_CLUSTERING}"
}
POD_INCREMENT=$(echo "${MY_POD_NAME}" | awk -F '-' '{print $NF}')
if ! [ "${POD_INCREMENT}" -eq "0" ] && ! [ -d "/var/lib/rabbitmq/mnesia" ] ; then
echo 'This is not the 1st rabbit pod & has not been initialised'
# disable liveness probe as it may take some time for the pod to come online.
touch /tmp/rabbit-disable-liveness-probe
POD_NAME_PREFIX="$(echo "${MY_POD_NAME}" | awk 'BEGIN{FS=OFS="-"}{NF--; print}')"
for TARGET_POD in $(seq 0 +1 $((POD_INCREMENT - 1 ))); do
END=$(($(date +%s) + 900))
while ! check_rabbit_node_ready "${TARGET_POD}"; do
sleep 5
if [ "$(date +%s)" -gt "$END" ]; then
echo "RabbitMQ pod ${TARGET_POD} not ready in time"
exit 1
fi
done
done
function reset_rabbit () {
rabbitmqctl shutdown || true
find /var/lib/rabbitmq/* ! -name 'definitions.json' ! -name '.erlang.cookie' -exec rm -rf {} +
exit 1
}
# Start RabbitMQ, but disable readiness from being reported so the pod is not
# marked as up prematurely.
touch /tmp/rabbit-disable-readiness
rabbitmq-server &
# Wait for server to start, and reset if it does not
END=$(($(date +%s) + 180))
while ! rabbitmqctl -q cluster_status; do
sleep 5
NOW=$(date +%s)
[ $NOW -gt $END ] && reset_rabbit
done
# Wait for server to join cluster, reset if it does not
POD_INCREMENT=$(echo "${MY_POD_NAME}" | awk -F '-' '{print $NF}')
END=$(($(date +%s) + 180))
while ! rabbitmqctl -l --node $(get_node_name 0) -q cluster_status | grep -q "$(get_node_name ${POD_INCREMENT})"; do
sleep 5
NOW=$(date +%s)
[ $NOW -gt $END ] && reset_rabbit
done
# Shutdown the inital server
rabbitmqctl shutdown
rm -fv /tmp/rabbit-disable-readiness /tmp/rabbit-disable-liveness-probe
fi
exec rabbitmq-server