openstack-helm-infra/mariadb/templates/bin/_readiness.sh.tpl
Gage Hugo a1bd832b0f Fix comparison error with mariadb and helm v3
The mariadb chart currently fails to deploy due to
differences in handling comparison between helm v2
and v3. This change updates the comparison to work
in both versions.

Change-Id: I9143a16f3011c0c0ae5420e6ec41ad7745a28cab
2022-03-19 01:21:26 +00:00

61 lines
1.5 KiB
Smarty

#!/usr/bin/env bash
{{/*
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 -e
MYSQL="mysql \
--defaults-file=/etc/mysql/admin_user.cnf \
--host=localhost \
{{- if .Values.manifests.certificates }}
--ssl-verify-server-cert=false \
--ssl-ca=/etc/mysql/certs/ca.crt \
--ssl-key=/etc/mysql/certs/tls.key \
--ssl-cert=/etc/mysql/certs/tls.crt \
{{- end }}
--connect-timeout 2"
mysql_status_query () {
STATUS=$1
$MYSQL -e "show status like \"${STATUS}\"" | \
awk "/${STATUS}/ { print \$NF; exit }"
}
if ! $MYSQL -e 'select 1' > /dev/null 2>&1 ; then
exit 1
fi
{{- if gt (int .Values.pod.replicas.server) 1 }}
if [ "x$(mysql_status_query wsrep_ready)" != "xON" ]; then
# WSREP says the node can receive queries
exit 1
fi
if [ "x$(mysql_status_query wsrep_connected)" != "xON" ]; then
# WSREP connected
exit 1
fi
if [ "x$(mysql_status_query wsrep_cluster_status)" != "xPrimary" ]; then
# Not in primary cluster
exit 1
fi
if [ "x$(mysql_status_query wsrep_local_state_comment)" != "xSynced" ]; then
# WSREP not synced
exit 1
fi
{{- end }}