openstack-helm-infra/mariadb-cluster/templates/bin/_readiness.sh.tpl
Sergiy Markin 29f2b616cc [mariadb-operator] Mariadb-cluster chart
This PS adds mariadb-cluster chart based on mariadb-operator. Also for
some backward compartibility this PS adds mariadb-backup chart and
prometheus-mysql-exporter chart as a separate ones.

Change-Id: I3f652375cce2e3b45e095e08d2e6f4ae73b8d8f0
2023-11-29 21:51:48 -06:00

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="mariadb \
--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 }}