5 cluster_sync_timeout=1800
7 if pcs status 2>&1 | grep -E '(cluster is not currently running)|(OFFLINE:)'; then
8 echo_error "ERROR: upgrade cannot start with some cluster nodes being offline"
13 # We want to disable fencing during the cluster --stop as it might fence
14 # nodes where a service fails to stop, which could be fatal during an upgrade
15 # procedure. So we remember the stonith state. If it was enabled we reenable it
16 # at the end of this script
17 STONITH_STATE=$(pcs property show stonith-enabled | grep "stonith-enabled" | awk '{ print $2 }')
18 pcs property set stonith-enabled=false
20 # If for some reason rpm-python are missing we want to error out early enough
21 if [ ! rpm -q rpm-python &> /dev/null ]; then
22 echo_error "ERROR: upgrade cannot start without rpm-python installed"
26 # In case the mysql package is updated, the database on disk must be
27 # upgraded as well. This typically needs to happen during major
28 # version upgrades (e.g. 5.5 -> 5.6, 5.5 -> 10.1...)
30 # Because in-place upgrades are not supported across 2+ major versions
31 # (e.g. 5.5 -> 10.1), we rely on logical upgrades via dump/restore cycle
32 # https://bugzilla.redhat.com/show_bug.cgi?id=1341968
34 # The default is to determine automatically if upgrade is needed based
35 # on mysql package versionning, but this can be overriden manually
36 # to support specific upgrade scenario
38 # Where to backup current database if mysql need to be upgraded
39 MYSQL_BACKUP_DIR=/var/tmp/mysql_upgrade_osp
40 MYSQL_TEMP_UPGRADE_BACKUP_DIR=/var/lib/mysql-temp-upgrade-backup
41 # Spare disk ratio for extra safety
42 MYSQL_BACKUP_SIZE_RATIO=1.2
44 # Shall we upgrade mysql data directory during the stack upgrade?
45 if [ "$mariadb_do_major_upgrade" = "auto" ]; then
46 ret=$(is_mysql_upgrade_needed)
47 if [ $ret = "1" ]; then
52 echo "mysql upgrade required: $DO_MYSQL_UPGRADE"
53 elif [ "$mariadb_do_major_upgrade" = 0 ]; then
59 if [ "$(hiera -c /etc/puppet/hiera.yaml bootstrap_nodeid)" = "$(facter hostname)" ]; then
60 if [ $DO_MYSQL_UPGRADE -eq 1 ]; then
61 if [ -d "$MYSQL_BACKUP_DIR" ]; then
62 echo_error "Error: $MYSQL_BACKUP_DIR exists already. Likely an upgrade failed previously"
65 mkdir "$MYSQL_BACKUP_DIR"
67 echo_error "Error: could not create temporary backup directory $MYSQL_BACKUP_DIR"
71 # the /root/.my.cnf is needed because we set the mysql root
72 # password from liberty onwards
73 backup_flags="--defaults-extra-file=/root/.my.cnf -u root --flush-privileges --all-databases --single-transaction"
74 # While not ideal, this step allows us to calculate exactly how much space the dump
75 # will need. Our main goal here is avoiding any chance of corruption due to disk space
77 backup_size=$(mysqldump $backup_flags 2>/dev/null | wc -c)
78 database_size=$(du -cb /var/lib/mysql | tail -1 | awk '{ print $1 }')
79 free_space=$(df -B1 --output=avail "$MYSQL_BACKUP_DIR" | tail -1)
81 # we need at least space for a new mysql database + dump of the existing one,
82 # times a small factor for additional safety room
83 # note: bash doesn't do floating point math or floats in if statements,
84 # so use python to apply the ratio and cast it back to integer
85 required_space=$(python -c "from __future__ import print_function; print(\"%d\" % int((($database_size + $backup_size) * $MYSQL_BACKUP_SIZE_RATIO)))")
86 if [ $required_space -ge $free_space ]; then
87 echo_error "Error: not enough free space in $MYSQL_BACKUP_DIR ($required_space bytes required)"
91 mysqldump $backup_flags > "$MYSQL_BACKUP_DIR/openstack_database.sql"
92 cp -rdp /etc/my.cnf* "$MYSQL_BACKUP_DIR"
95 pcs resource disable httpd
96 check_resource httpd stopped 1800
97 pcs resource disable openstack-core
98 check_resource openstack-core stopped 1800
99 pcs resource disable redis
100 check_resource redis stopped 600
101 pcs resource disable mongod
102 check_resource mongod stopped 600
103 pcs resource disable rabbitmq
104 check_resource rabbitmq stopped 600
105 pcs resource disable memcached
106 check_resource memcached stopped 600
107 pcs resource disable galera
108 check_resource galera stopped 600
109 # Disable all VIPs before stopping the cluster, so that pcs doesn't use one as a source address:
110 # https://bugzilla.redhat.com/show_bug.cgi?id=1330688
111 for vip in $(pcs resource show | grep ocf::heartbeat:IPaddr2 | grep Started | awk '{ print $1 }'); do
112 pcs resource disable $vip
113 check_resource $vip stopped 60
115 pcs cluster stop --all
118 # Swift isn't controled by pacemaker
122 while systemctl is-active pacemaker; do
125 if (( tnow-tstart > cluster_sync_timeout )) ; then
126 echo_error "ERROR: cluster shutdown timed out"
131 # The reason we do an sql dump *and* we move the old dir out of
132 # the way is because it gives us an extra level of safety in case
133 # something goes wrong during the upgrade. Once the restore is
134 # successful we go ahead and remove it. If the directory exists
135 # we bail out as it means the upgrade process had issues in the last
137 if [ $DO_MYSQL_UPGRADE -eq 1 ]; then
138 if [ -d $MYSQL_TEMP_UPGRADE_BACKUP_DIR ]; then
139 echo_error "ERROR: mysql backup dir already exist"
142 mv /var/lib/mysql $MYSQL_TEMP_UPGRADE_BACKUP_DIR
145 yum -y install python-zaqarclient # needed for os-collect-config
148 # We need to ensure at least those two configuration settings, otherwise
149 # mariadb 10.1+ won't activate galera replication.
150 # wsrep_cluster_address must only be set though, its value does not
151 # matter because it's overriden by the galera resource agent.
152 cat >> /etc/my.cnf.d/galera.cnf <<EOF
155 wsrep_cluster_address = gcomm://localhost
158 if [ "$(hiera -c /etc/puppet/hiera.yaml bootstrap_nodeid)" = "$(facter hostname)" ]; then
159 if [ $DO_MYSQL_UPGRADE -eq 1 ]; then
160 # Scripts run via heat have no HOME variable set and this confuses
163 mkdir /var/lib/mysql || /bin/true
164 chown mysql:mysql /var/lib/mysql
165 chmod 0755 /var/lib/mysql
166 restorecon -R /var/lib/mysql/
167 mysql_install_db --datadir=/var/lib/mysql --user=mysql
168 chown -R mysql:mysql /var/lib/mysql/
169 mysqld_safe --wsrep-new-cluster &
170 # We have a populated /root/.my.cnf with root/password here so
171 # we need to temporarily rename it because the newly created
172 # db is empty and no root password is set
173 mv /root/.my.cnf /root/.my.cnf.temporary
174 timeout 60 sh -c 'while ! mysql -e "" &> /dev/null; do sleep 1; done'
175 mysql -u root < "$MYSQL_BACKUP_DIR/openstack_database.sql"
176 mv /root/.my.cnf.temporary /root/.my.cnf
177 mysqladmin -u root shutdown
178 # The import was successful so we may remove the folder
179 rm -r "$MYSQL_BACKUP_DIR"
183 # If we reached here without error we can safely blow away the origin
184 # mysql dir from every controller
185 if [ $DO_MYSQL_UPGRADE -eq 1 ]; then
186 rm -r $MYSQL_TEMP_UPGRADE_BACKUP_DIR
189 # Let's reset the stonith back to true if it was true, before starting the cluster
190 if [ $STONITH_STATE == "true" ]; then
191 pcs -f /var/lib/pacemaker/cib/cib.xml property set stonith-enabled=true
194 # Pin messages sent to compute nodes to kilo, these will be upgraded later
195 crudini --set /etc/nova/nova.conf upgrade_levels compute "$upgrade_level_nova_compute"
196 # https://bugzilla.redhat.com/show_bug.cgi?id=1284047
197 # Change-Id: Ib3f6c12ff5471e1f017f28b16b1e6496a4a4b435
198 crudini --set /etc/ceilometer/ceilometer.conf DEFAULT rpc_backend rabbit
199 # https://bugzilla.redhat.com/show_bug.cgi?id=1284058
200 # Ifd1861e3df46fad0e44ff9b5cbd58711bbc87c97 Swift Ceilometer middleware no longer exists
201 crudini --set /etc/swift/proxy-server.conf pipeline:main pipeline "catch_errors healthcheck cache ratelimit tempurl formpost authtoken keystone staticweb proxy-logging proxy-server"