set -eu
-cluster_sync_timeout=600
+cluster_sync_timeout=1800
if pcs status 2>&1 | grep -E '(cluster is not currently running)|(OFFLINE:)'; then
echo_error "ERROR: upgrade cannot start with some cluster nodes being offline"
STONITH_STATE=$(pcs property show stonith-enabled | grep "stonith-enabled" | awk '{ print $2 }')
pcs property set stonith-enabled=false
+# If for some reason rpm-python are missing we want to error out early enough
+if [ ! rpm -q rpm-python &> /dev/null ]; then
+ echo_error "ERROR: upgrade cannot start without rpm-python installed"
+ exit 1
+fi
+
+# In case the mysql package is updated, the database on disk must be
+# upgraded as well. This typically needs to happen during major
+# version upgrades (e.g. 5.5 -> 5.6, 5.5 -> 10.1...)
+#
+# Because in-place upgrades are not supported across 2+ major versions
+# (e.g. 5.5 -> 10.1), we rely on logical upgrades via dump/restore cycle
+# https://bugzilla.redhat.com/show_bug.cgi?id=1341968
+#
+# The default is to determine automatically if upgrade is needed based
+# on mysql package versionning, but this can be overriden manually
+# to support specific upgrade scenario
+
+# Where to backup current database if mysql need to be upgraded
+MYSQL_BACKUP_DIR=/var/tmp/mysql_upgrade_osp
+MYSQL_TEMP_UPGRADE_BACKUP_DIR=/var/lib/mysql-temp-upgrade-backup
+# Spare disk ratio for extra safety
+MYSQL_BACKUP_SIZE_RATIO=1.2
+
+# Shall we upgrade mysql data directory during the stack upgrade?
+if [ "$mariadb_do_major_upgrade" = "auto" ]; then
+ ret=$(is_mysql_upgrade_needed)
+ if [ $ret = "1" ]; then
+ DO_MYSQL_UPGRADE=1
+ else
+ DO_MYSQL_UPGRADE=0
+ fi
+ echo "mysql upgrade required: $DO_MYSQL_UPGRADE"
+elif [ "$mariadb_do_major_upgrade" = 0 ]; then
+ DO_MYSQL_UPGRADE=0
+else
+ DO_MYSQL_UPGRADE=1
+fi
+
if [ "$(hiera -c /etc/puppet/hiera.yaml bootstrap_nodeid)" = "$(facter hostname)" ]; then
+ if [ $DO_MYSQL_UPGRADE -eq 1 ]; then
+ if [ -d "$MYSQL_BACKUP_DIR" ]; then
+ echo_error "Error: $MYSQL_BACKUP_DIR exists already. Likely an upgrade failed previously"
+ exit 1
+ fi
+ mkdir "$MYSQL_BACKUP_DIR"
+ if [ $? -ne 0 ]; then
+ echo_error "Error: could not create temporary backup directory $MYSQL_BACKUP_DIR"
+ exit 1
+ fi
+
+ # the /root/.my.cnf is needed because we set the mysql root
+ # password from liberty onwards
+ backup_flags="--defaults-extra-file=/root/.my.cnf -u root --flush-privileges --all-databases --single-transaction"
+ # While not ideal, this step allows us to calculate exactly how much space the dump
+ # will need. Our main goal here is avoiding any chance of corruption due to disk space
+ # exhaustion
+ backup_size=$(mysqldump $backup_flags 2>/dev/null | wc -c)
+ database_size=$(du -cb /var/lib/mysql | tail -1 | awk '{ print $1 }')
+ free_space=$(df -B1 --output=avail "$MYSQL_BACKUP_DIR" | tail -1)
+
+ # we need at least space for a new mysql database + dump of the existing one,
+ # times a small factor for additional safety room
+ # note: bash doesn't do floating point math or floats in if statements,
+ # so use python to apply the ratio and cast it back to integer
+ required_space=$(python -c "from __future__ import print_function; print(\"%d\" % int((($database_size + $backup_size) * $MYSQL_BACKUP_SIZE_RATIO)))")
+ if [ $required_space -ge $free_space ]; then
+ echo_error "Error: not enough free space in $MYSQL_BACKUP_DIR ($required_space bytes required)"
+ exit 1
+ fi
+
+ mysqldump $backup_flags > "$MYSQL_BACKUP_DIR/openstack_database.sql"
+ cp -rdp /etc/my.cnf* "$MYSQL_BACKUP_DIR"
+ fi
+
pcs resource disable httpd
check_resource httpd stopped 1800
pcs resource disable openstack-core
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 $MYSQL_TEMP_UPGRADE_BACKUP_DIR
+fi
+
yum -y install python-zaqarclient # needed for os-collect-config
yum -y -q update
+# We need to ensure at least those two configuration settings, otherwise
+# mariadb 10.1+ won't activate galera replication.
+# wsrep_cluster_address must only be set though, its value does not
+# matter because it's overriden by the galera resource agent.
+cat >> /etc/my.cnf.d/galera.cnf <<EOF
+[mysqld]
+wsrep_on = ON
+wsrep_cluster_address = gcomm://localhost
+EOF
+
+if [ "$(hiera -c /etc/puppet/hiera.yaml bootstrap_nodeid)" = "$(facter hostname)" ]; then
+ if [ $DO_MYSQL_UPGRADE -eq 1 ]; then
+ # Scripts run via heat have no HOME variable set and this confuses
+ # mysqladmin
+ export HOME=/root
+ mkdir /var/lib/mysql || /bin/true
+ chown mysql:mysql /var/lib/mysql
+ chmod 0755 /var/lib/mysql
+ restorecon -R /var/lib/mysql/
+ mysql_install_db --datadir=/var/lib/mysql --user=mysql
+ chown -R mysql:mysql /var/lib/mysql/
+ mysqld_safe --wsrep-new-cluster &
+ # We have a populated /root/.my.cnf with root/password here so
+ # we need to temporarily rename it because the newly created
+ # db is empty and no root password is set
+ mv /root/.my.cnf /root/.my.cnf.temporary
+ timeout 60 sh -c 'while ! mysql -e "" &> /dev/null; do sleep 1; done'
+ mysql -u root < "$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
+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 [ $STONITH_STATE == "true" ]; then
Code Review / apex-tripleo-heat-templates.git / blobdiff