73 lines
2.1 KiB
Django/Jinja
73 lines
2.1 KiB
Django/Jinja
#!/usr/bin/env bash
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# Copyright 2017, Rackspace US, Inc.
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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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## Shell Opts ----------------------------------------------------------------
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set -e
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## Functions -----------------------------------------------------------------
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function cleanup {
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echo "Running Cleanup."
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systemctl unset-environment _WSREP_NEW_CLUSTER || systemctl set-environment _WSREP_NEW_CLUSTER=''
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if [[ -f "/etc/my.cnf.d/99_bootstrap.cnf" ]]; then
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rm /etc/my.cnf.d/99_bootstrap.cnf
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fi
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}
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function wait_operational {
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WAITCMD="while ! mysql --silent --skip-column-names -e 'SHOW STATUS LIKE \"wsrep_evs_state\"' | grep -wq \"OPERATIONAL\"; do sleep 5; done"
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if ! timeout 180 sh -c "${WAITCMD}"; then
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echo "Cluster failed to return an \"OPERATIONAL\" state"
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return 1
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else
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echo "Cluster is now OPERATIONAL"
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return 0
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fi
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}
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function bootstrap_opts {
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cat > /etc/my.cnf.d/99_bootstrap.cnf <<EOF
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[mysqld]
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wsrep_new_cluster
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EOF
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}
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## Main ----------------------------------------------------------------------
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trap cleanup EXIT INT TERM
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EXIT_CODE=0
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if ! systemctl status {{ mysql_service_name }}> /dev/null; then
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systemctl set-environment _WSREP_NEW_CLUSTER='--wsrep-new-cluster'
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if grep -rniq -e suse -e opensuse /etc/os-release; then
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bootstrap_opts
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fi
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if systemctl start {{ mysql_service_name }}; then
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EXIT_CODE=3
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else
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echo "Cluster bootstrap failed."
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systemctl status {{ mysql_service_name }}
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exit 99
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fi
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fi
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wait_operational
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cat <<EOF
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NOTICE: Exit code 0 and 3 are success.
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Exit 0 is no change, exit 3 is change.
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Current Exit Code "${EXIT_CODE}"
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EOF
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exit ${EXIT_CODE}
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