de20cbb15d
Addresses consistency issues that appear with autoincrement fields in the existing chart, as demonstrated in [1]. It should allow automatic recovery of 2 out of the 3 (default) cluster members. It does not address automatic recovery of a complete shutdown of all cluster nodes. [1] https://review.openstack.org/#/c/465977/ Change-Id: I84c86e1862f03a6d381bf219b821ea3636049f0b
52 lines
1.5 KiB
Smarty
52 lines
1.5 KiB
Smarty
#!/usr/bin/env bash
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# Copyright 2017 The Openstack-Helm Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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set -o pipefail
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PASSWORD={{ .Values.database.root_password | quote }}
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MYSQL="mysql -u root --password=${PASSWORD}"
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if [ ! $($MYSQL -e 'select 1') ]; then
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echo "Could not SELECT 1" 1>&2
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exit 1
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fi
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# Set this late, so that we can give a nicer error message above.
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set -o errexit
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CLUSTER_STATUS=$($MYSQL -e "show status like 'wsrep_cluster_status'" | tail -n 1 | cut -f 2)
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if [ "x${CLUSTER_STATUS}" != "xPrimary" ]; then
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echo "Not in primary cluster: '${CLUSTER_STATUS}'" 1>&2
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exit 1
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fi
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WSREP_READY=$($MYSQL -e "show status like 'wsrep_ready'" | tail -n 1 | cut -f 2)
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if [ "x${WSREP_READY}" != "xON" ]; then
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echo "WSREP not ready: '${WSREP_READY}'" 1>&2
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exit 1
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fi
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WSREP_STATE=$($MYSQL -e "show status like 'wsrep_local_state_comment'" | tail -n 1 | cut -f 2)
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if [ "x${WSREP_STATE}" != "xSynced" ]; then
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echo "WSREP not synced: '${WSREP_STATE}'" 1>&2
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exit 1
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fi
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echo "${POD_NAME} ready." 1>&2
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exit 0
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