diff options
Diffstat (limited to 'extraconfig/tasks/major_upgrade_controller_pacemaker_1.sh')
| -rwxr-xr-x | extraconfig/tasks/major_upgrade_controller_pacemaker_1.sh | 214 |
1 files changed, 21 insertions, 193 deletions
diff --git a/extraconfig/tasks/major_upgrade_controller_pacemaker_1.sh b/extraconfig/tasks/major_upgrade_controller_pacemaker_1.sh index 0b702630..739c01dd 100755 --- a/extraconfig/tasks/major_upgrade_controller_pacemaker_1.sh +++ b/extraconfig/tasks/major_upgrade_controller_pacemaker_1.sh @@ -2,207 +2,35 @@ set -eu -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" - exit 1 +check_cluster +check_pcsd +if [[ -n $(is_bootstrap_node) ]]; then + check_clean_cluster fi - +check_python_rpm +check_galera_root_password +check_disk_for_mysql_dump # We want to disable fencing during the cluster --stop as it might fence # nodes where a service fails to stop, which could be fatal during an upgrade # procedure. So we remember the stonith state. If it was enabled we reenable it # at the end of this script -STONITH_STATE=$(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" = "no" ]; 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 - check_resource openstack-core stopped 1800 - pcs resource disable redis - check_resource redis stopped 600 - pcs resource disable mongod - check_resource mongod stopped 600 - pcs resource disable rabbitmq - check_resource rabbitmq stopped 600 - pcs resource disable memcached - check_resource memcached stopped 600 - pcs resource disable galera - check_resource galera 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 $vip stopped 60 - done - pcs cluster stop --all -fi - -# Swift isn't controled by pacemaker -systemctl_swift stop - -tstart=$(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 +if [[ -n $(is_bootstrap_node) ]]; then + STONITH_STATE=$(pcs property show stonith-enabled | grep "stonith-enabled" | awk '{ print $2 }') + # We create this empty file if stonith was set to true so we can reenable stonith in step2 + rm -f /var/tmp/stonith-true + if [ $STONITH_STATE == "true" ]; then + touch /var/tmp/stonith-true 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 [ $DO_MYSQL_UPGRADE -eq 1 ]; then - # Scripts run via heat have no HOME variable set and this confuses - # mysqladmin - export HOME=/root - - mkdir /var/lib/mysql || /bin/true - chown mysql:mysql /var/lib/mysql - chmod 0755 /var/lib/mysql - restorecon -R /var/lib/mysql/ - mysql_install_db --datadir=/var/lib/mysql --user=mysql - chown -R mysql:mysql /var/lib/mysql/ - - if [ "$(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 + pcs property set stonith-enabled=false fi -# Let's reset the stonith back to true if it was true, before starting the cluster -if [ $STONITH_STATE == "true" ]; then - pcs -f /var/lib/pacemaker/cib/cib.xml property set stonith-enabled=true +# Migrate to HA NG and fix up rabbitmq queues +# We fix up the rabbitmq ha queues after the migration because it will +# restart the rabbitmq resource. Doing it after the migration means no other +# services will be restart as there are no other constraints +if [[ -n $(is_bootstrap_node) ]]; then + migrate_full_to_ng_ha + rabbitmq_mitaka_newton_upgrade fi -# Pin messages sent to compute nodes to kilo, these will be upgraded later -crudini --set /etc/nova/nova.conf upgrade_levels compute "$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 |