Heat templates for deploying OpenStack
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 

87 lines
3.6 KiB

#!/bin/bash
set -u
# ./pacemaker_restart_bundle.sh mysql galera galera-bundle Master _
# ./pacemaker_restart_bundle.sh redis redis redis-bundle Slave Master
# ./pacemaker_restart_bundle.sh ovn_dbs ovndb_servers ovn-dbs-bundle Slave Master
RESTART_SCRIPTS_DIR=$(dirname $0)
TRIPLEO_SERVICE=$1
RESOURCE_NAME=$2
BUNDLE_NAME=$3
WAIT_TARGET_LOCAL=$4
WAIT_TARGET_ANYWHERE=${5:-_}
TRIPLEO_MINOR_UPDATE="${TRIPLEO_MINOR_UPDATE:-false}"
bundle_can_be_restarted() {
local bundle=$1
# As long as the resource bundle is managed by pacemaker and is
# not meant to stay stopped, no matter the state of any inner
# pcmk_remote or ocf resource, we should restart it to give it a
# chance to read the new config.
[ "$(crm_resource --meta -r $1 -g is-managed 2>/dev/null)" != "false" ] && \
[ "$(crm_resource --meta -r $1 -g target-role 2>/dev/null)" != "Stopped" ]
}
if [ x"${TRIPLEO_MINOR_UPDATE,,}" != x"true" ]; then
if hiera -c /etc/puppet/hiera.yaml stack_action | grep -q -x CREATE; then
# Do not restart during initial deployment, as the resource
# has just been created.
exit 0
else
# During a stack update, this script is called in parallel on
# every node the resource runs on, after the service's configs
# have been updated on all nodes. So we need to run pcs only
# once (e.g. on the service's boostrap node).
if bundle_can_be_restarted ${BUNDLE_NAME}; then
HOSTNAME=$(/bin/hostname -s)
SERVICE_NODEID=$(/bin/hiera -c /etc/puppet/hiera.yaml "${TRIPLEO_SERVICE}_short_bootstrap_node_name")
if [[ "${HOSTNAME,,}" == "${SERVICE_NODEID,,}" ]]; then
echo "$(date -u): Restarting ${BUNDLE_NAME} globally"
/sbin/pcs resource restart --wait=__PCMKTIMEOUT__ $BUNDLE_NAME
else
echo "$(date -u): Skipping global restart of ${BUNDLE_NAME} on ${HOSTNAME} it will be restarted by node ${SERVICE_NODEID}"
fi
else
echo "$(date -u): No global restart needed for ${BUNDLE_NAME}."
fi
fi
else
# During a minor update workflow however, a host gets fully
# updated before updating the next one. So unlike stack
# update, at the time this script is called, the service's
# configs aren't updated on all nodes yet. So only restart the
# resource locally, where it's guaranteed that the config is
# up to date.
HOST=$(facter hostname)
if bundle_can_be_restarted ${BUNDLE_NAME}; then
# if the resource is running locally, restart it
if crm_resource -r $BUNDLE_NAME --locate 2>&1 | grep -w -q "${HOST}"; then
echo "$(date -u): Restarting ${BUNDLE_NAME} locally on '${HOST}'"
/sbin/pcs resource restart $BUNDLE_NAME "${HOST}"
else
# At this point, if no resource is running locally, it's
# either because a) it has failed previously, or b) because
# it's an A/P resource running elsewhere.
# By cleaning up resource, we ensure that a) it will try to
# restart, or b) it won't do anything if the resource is
# already running elsewhere.
echo "$(date -u): ${BUNDLE_NAME} is currently not running on '${HOST}'," \
"cleaning up its state to restart it if necessary"
/sbin/pcs resource cleanup $BUNDLE_NAME --node "${HOST}"
fi
# Wait until the resource is in the expected target state
$RESTART_SCRIPTS_DIR/pacemaker_wait_bundle.sh \
$RESOURCE_NAME $BUNDLE_NAME \
"$WAIT_TARGET_LOCAL" "$WAIT_TARGET_ANYWHERE" \
"${HOST}" __PCMKTIMEOUT__
else
echo "$(date -u): No restart needed for ${BUNDLE_NAME}."
fi
fi