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#!/bin/bash
# A heat-config-script which runs yum update during a stack-update.
# Inputs:
# deploy_action - yum will only be run if this is UPDATE
# update_identifier - yum will only run for previously unused values of update_identifier
# command - yum sub-command to run, defaults to "update"
# command_arguments - yum command arguments, defaults to ""
echo "Started yum_update.sh on server $deploy_server_id at `date`"
echo -n "false" > $heat_outputs_path.update_managed_packages
if [[ -z "$update_identifier" ]]; then
echo "Not running due to unset update_identifier"
exit 0
fi
timestamp_dir=/var/lib/overcloud-yum-update
mkdir -p $timestamp_dir
# sanitise to remove unusual characters
update_identifier=${update_identifier//[^a-zA-Z0-9-_]/}
# seconds to wait for this node to rejoin the cluster after update
cluster_start_timeout=600
galera_sync_timeout=360
cluster_settle_timeout=1800
timestamp_file="$timestamp_dir/$update_identifier"
if [[ -a "$timestamp_file" ]]; then
echo "Not running for already-run timestamp \"$update_identifier\""
exit 0
fi
touch "$timestamp_file"
command_arguments=${command_arguments:-}
list_updates=$(yum list updates)
if [[ "$list_updates" == "" ]]; then
echo "No packages require updating"
exit 0
fi
pacemaker_status=$(systemctl is-active pacemaker)
if [[ "$pacemaker_status" == "active" ]] ; then
echo "Pacemaker running, stopping cluster node and doing full package update"
node_count=$(pcs status xml | grep -o "<nodes_configured.*/>" | grep -o 'number="[0-9]*"' | grep -o "[0-9]*")
if [[ "$node_count" == "1" ]] ; then
echo "Active node count is 1, stopping node with --force"
pcs cluster stop --force
else
pcs cluster stop
fi
else
echo "Upgrading openstack-puppet-modules"
yum -q -y update openstack-puppet-modules
echo "Upgrading other packages is handled by config management tooling"
echo -n "true" > $heat_outputs_path.update_managed_packages
exit 0
fi
command=${command:-update}
full_command="yum -q -y $command $command_arguments"
echo "Running: $full_command"
result=$($full_command)
return_code=$?
echo "$result"
echo "yum return code: $return_code"
if [[ "$pacemaker_status" == "active" ]] ; then
echo "Starting cluster node"
pcs cluster start
hostname=$(hostname -s)
tstart=$(date +%s)
while [[ "$(pcs status | grep "^Online" | grep -F -o $hostname)" == "" ]]; do
sleep 5
tnow=$(date +%s)
if (( tnow-tstart > cluster_start_timeout )) ; then
echo "ERROR $hostname failed to join cluster in $cluster_start_timeout seconds"
pcs status
exit 1
fi
done
tstart=$(date +%s)
while ! clustercheck; do
sleep 5
tnow=$(date +%s)
if (( tnow-tstart > galera_sync_timeout )) ; then
echo "ERROR galera sync timed out"
exit 1
fi
done
echo "Waiting for pacemaker cluster to settle"
if ! timeout -k 10 $cluster_settle_timeout crm_resource --wait; then
echo "ERROR timed out while waiting for the cluster to settle"
exit 1
fi
pcs status
fi
echo "Finished yum_update.sh on server $deploy_server_id at `date`"
exit $return_code
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