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#!/bin/bash
set -eu
cluster_sync_timeout=1800
# After migrating the cluster to HA-NG the services not under pacemaker's control
# are still up and running. We need to stop them explicitely otherwise during the yum
# upgrade the rpm %post sections will try to do a systemctl try-restart <service>, which
# is going to take a long time because rabbit is down. By having the service stopped
# systemctl try-restart is a noop
for service in $(services_to_migrate); do
manage_systemd_service stop "${service%%-clone}"
# So the reason for not reusing check_resource_systemd is that
# I have observed systemctl is-active returning unknown with at least
# one service that was stopped (See LP 1627254)
timeout=600
tstart=$(date +%s)
tend=$(( $tstart + $timeout ))
check_interval=3
while (( $(date +%s) < $tend )); do
if [[ "$(systemctl is-active ${service%%-clone})" = "active" ]]; then
echo "$service still active, sleeping $check_interval seconds."
sleep $check_interval
else
# we do not care if it is inactive, unknown or failed as long as it is
# not running
break
fi
done
done
# In case the mysql package is updated, the database on disk must be
# upgraded as well. This typically needs to happen during major
# version upgrades (e.g. 5.5 -> 5.6, 5.5 -> 10.1...)
#
# Because in-place upgrades are not supported across 2+ major versions
# (e.g. 5.5 -> 10.1), we rely on logical upgrades via dump/restore cycle
# https://bugzilla.redhat.com/show_bug.cgi?id=1341968
#
# The default is to determine automatically if upgrade is needed based
# on mysql package versionning, but this can be overriden manually
# to support specific upgrade scenario
# Calling this function will set the DO_MYSQL_UPGRADE variable which is used
# later
mysql_need_update
if [[ -n $(is_bootstrap_node) ]]; then
if [ $DO_MYSQL_UPGRADE -eq 1 ]; then
mysqldump $backup_flags > "$MYSQL_BACKUP_DIR/openstack_database.sql"
cp -rdp /etc/my.cnf* "$MYSQL_BACKUP_DIR"
fi
pcs resource disable redis
check_resource redis stopped 600
pcs resource disable rabbitmq
check_resource rabbitmq stopped 600
pcs resource disable galera
check_resource galera stopped 600
pcs resource disable openstack-cinder-volume
check_resource openstack-cinder-volume stopped 600
# Disable all VIPs before stopping the cluster, so that pcs doesn't use one as a source address:
# https://bugzilla.redhat.com/show_bug.cgi?id=1330688
for vip in $(pcs resource show | grep ocf::heartbeat:IPaddr2 | grep Started | awk '{ print $1 }'); do
pcs resource disable $vip
check_resource $vip stopped 60
done
pcs cluster stop --all
fi
# Swift isn't controlled by pacemaker
systemctl_swift stop
tstart=$(date +%s)
while systemctl is-active pacemaker; do
sleep 5
tnow=$(date +%s)
if (( tnow-tstart > cluster_sync_timeout )) ; then
echo_error "ERROR: cluster shutdown timed out"
exit 1
fi
done
# The reason we do an sql dump *and* we move the old dir out of
# the way is because it gives us an extra level of safety in case
# something goes wrong during the upgrade. Once the restore is
# successful we go ahead and remove it. If the directory exists
# we bail out as it means the upgrade process had issues in the last
# run.
if [ $DO_MYSQL_UPGRADE -eq 1 ]; then
if [ -d $MYSQL_TEMP_UPGRADE_BACKUP_DIR ]; then
echo_error "ERROR: mysql backup dir already exist"
exit 1
fi
mv /var/lib/mysql $MYSQL_TEMP_UPGRADE_BACKUP_DIR
fi
# Special-case OVS for https://bugs.launchpad.net/tripleo/+bug/1635205
if [[ -n $(rpm -q --scripts openvswitch | awk '/postuninstall/,/*/' | grep "systemctl.*try-restart") ]]; then
echo "Manual upgrade of openvswitch - restart in postun detected"
mkdir OVS_UPGRADE || true
pushd OVS_UPGRADE
echo "Attempting to downloading latest openvswitch with yumdownloader"
yumdownloader --resolve openvswitch
echo "Updating openvswitch with nopostun option"
rpm -U --replacepkgs --nopostun ./*.rpm
popd
else
echo "Skipping manual upgrade of openvswitch - no restart in postun detected"
fi
yum -y install python-zaqarclient # needed for os-collect-config
yum -y -q update
# We need to ensure at least those two configuration settings, otherwise
# mariadb 10.1+ won't activate galera replication.
# wsrep_cluster_address must only be set though, its value does not
# matter because it's overriden by the galera resource agent.
cat >> /etc/my.cnf.d/galera.cnf <<EOF
[mysqld]
wsrep_on = ON
wsrep_cluster_address = gcomm://localhost
EOF
if [ $DO_MYSQL_UPGRADE -eq 1 ]; then
# Scripts run via heat have no HOME variable set and this confuses
# mysqladmin
export HOME=/root
mkdir /var/lib/mysql || /bin/true
chown mysql:mysql /var/lib/mysql
chmod 0755 /var/lib/mysql
restorecon -R /var/lib/mysql/
mysql_install_db --datadir=/var/lib/mysql --user=mysql
chown -R mysql:mysql /var/lib/mysql/
if [ "$(hiera -c /etc/puppet/hiera.yaml bootstrap_nodeid)" = "$(facter hostname)" ]; then
mysqld_safe --wsrep-new-cluster &
# We have a populated /root/.my.cnf with root/password here so
# we need to temporarily rename it because the newly created
# db is empty and no root password is set
mv /root/.my.cnf /root/.my.cnf.temporary
timeout 60 sh -c 'while ! mysql -e "" &> /dev/null; do sleep 1; done'
mysql -u root < "$MYSQL_BACKUP_DIR/openstack_database.sql"
mv /root/.my.cnf.temporary /root/.my.cnf
mysqladmin -u root shutdown
# The import was successful so we may remove the folder
rm -r "$MYSQL_BACKUP_DIR"
fi
fi
# If we reached here without error we can safely blow away the origin
# mysql dir from every controller
# TODO: What if the upgrade fails on the bootstrap node, but not on
# this controller. Data may be lost.
if [ $DO_MYSQL_UPGRADE -eq 1 ]; then
rm -r $MYSQL_TEMP_UPGRADE_BACKUP_DIR
fi
# Let's reset the stonith back to true if it was true, before starting the cluster
if [[ -n $(is_bootstrap_node) ]]; then
if [ -f /var/tmp/stonith-true ]; then
pcs -f /var/lib/pacemaker/cib/cib.xml property set stonith-enabled=true
fi
rm -f /var/tmp/stonith-true
fi
# Pin messages sent to compute nodes to kilo, these will be upgraded later
crudini --set /etc/nova/nova.conf upgrade_levels compute "$upgrade_level_nova_compute"
# https://bugzilla.redhat.com/show_bug.cgi?id=1284047
# Change-Id: Ib3f6c12ff5471e1f017f28b16b1e6496a4a4b435
crudini --set /etc/ceilometer/ceilometer.conf DEFAULT rpc_backend rabbit
# https://bugzilla.redhat.com/show_bug.cgi?id=1284058
# Ifd1861e3df46fad0e44ff9b5cbd58711bbc87c97 Swift Ceilometer middleware no longer exists
crudini --set /etc/swift/proxy-server.conf pipeline:main pipeline "catch_errors healthcheck cache ratelimit tempurl formpost authtoken keystone staticweb proxy-logging proxy-server"
# LP: 1615035, required only for M/N upgrade.
crudini --set /etc/nova/nova.conf DEFAULT scheduler_host_manager host_manager
# LP: 1627450, required only for M/N upgrade
crudini --set /etc/nova/nova.conf DEFAULT scheduler_driver filter_scheduler
crudini --set /etc/sahara/sahara.conf DEFAULT plugins ambari,cdh,mapr,vanilla,spark,storm
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