openstack-helm/rabbitmq/templates/bin/_rabbitmq-liveness.sh.tpl
Seungkyu Ahn d2190de96e Fix rabbitmq readiness script error in k8s v1.7
In Kubernetes version 1.7.x, /proc/1/fd/2 command in rabbitmq readiness
shell script makes an error. Instead of using /proc/1/fd/2, use /dev/null.

Change-Id: Ia4fb7f3130ec1a8fccc125bf11e997b77935e1ba
Closes-bug: 1719763
2017-09-27 11:47:52 +09:00

81 lines
2.5 KiB
Smarty

#!/usr/bin/env 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.
*/}}
# This is taken from https://github.com/openstack/fuel-ccp-rabbitmq/blob/master/service/files/rabbitmq-liveness.sh.j2
set -eu
set -o pipefail
exec 1>/dev/null 2>&1
source $(readlink -f $(dirname $0))/rabbitmq-check-helpers.sh
set-log-prefix "liveness:$$"
log-it "Starting liveness probe at $(date +'%Y-%m-%d %H:%M:%S')"
main() {
local marker_state
marker_state="$(marker-state)"
case $marker_state in
missing)
log-it "Startup marker missing, probably probe was executed too early"
return 0
;;
fresh) # node has recently started - it can still be booting
if ! ping-node; then
log-it "Fresh node, erlang VM hasn't started yet - giving it another chance"
# Erlang VM hasn't started yet
return 0
fi
if is-node-booting; then
log-it "Node is still booting, giving it some time to finish"
return 0
fi
if ! is-node-healthy; then
log-it "Node is unhealthy"
return 1
fi
if ! is-node-properly-clustered; then
log-it "Found clustering inconsistency, giving up"
return 1
fi
return 0
;;
stale) # node has started long ago - it shoud be either ready or dead
if ! is-node-healthy; then
log-it "Long-running node become unhealthy"
return 1
fi
if ! is-node-properly-clustered; then
echo "Long-running node became inconsistent with the rest of the cluster"
return 1
fi
return 0
;;
*)
log-it "Unexpected marker-state '$marker-state'"
return 1
;;
esac
}
if main; then
rc=0
else
rc=$?
fi
log-it "Ready to return $rc"
exit $rc