diff options
Diffstat (limited to 'extraconfig/tasks/major_upgrade_controller_pacemaker_1.sh')
| -rwxr-xr-x | extraconfig/tasks/major_upgrade_controller_pacemaker_1.sh | 155 |
1 files changed, 141 insertions, 14 deletions
diff --git a/extraconfig/tasks/major_upgrade_controller_pacemaker_1.sh b/extraconfig/tasks/major_upgrade_controller_pacemaker_1.sh index f5399222..d4200e5f 100755 --- a/extraconfig/tasks/major_upgrade_controller_pacemaker_1.sh +++ b/extraconfig/tasks/major_upgrade_controller_pacemaker_1.sh @@ -2,28 +2,83 @@ 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" - 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 + +# Migrate to HA NG +if [[ -n $(is_bootstrap_node) ]]; then + migrate_full_to_ng_ha +fi + +# 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 + +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* "$MYSQL_BACKUP_DIR" + fi -if [ "$(hiera -c /etc/puppet/hiera.yaml bootstrap_nodeid)" = "$(facter hostname)" ]; then - 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 + 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 $1 }'); do @@ -33,7 +88,8 @@ if [ "$(hiera -c /etc/puppet/hiera.yaml bootstrap_nodeid)" = "$(facter hostname) pcs cluster stop --all fi -# Swift isn't controled by pacemaker + +# Swift isn't controlled by pacemaker systemctl_swift stop tstart=$(date +%s) @@ -46,9 +102,74 @@ while systemctl is-active pacemaker; do 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 [ $DO_MYSQL_UPGRADE -eq 1 ]; then + # Scripts run via heat have no HOME variable set and this confuses + # mysqladmin + export HOME=/root + + mkdir /var/lib/mysql || /bin/true + chown mysql:mysql /var/lib/mysql + chmod 0755 /var/lib/mysql + restorecon -R /var/lib/mysql/ + mysql_install_db --datadir=/var/lib/mysql --user=mysql + chown -R mysql:mysql /var/lib/mysql/ + + if [ "$(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 [ $STONITH_STATE == "true" ]; then + pcs -f /var/lib/pacemaker/cib/cib.xml property set stonith-enabled=true +fi + # Pin messages sent to compute nodes to kilo, these will be upgraded later crudini --set /etc/nova/nova.conf upgrade_levels compute "$upgrade_level_nova_compute" # https://bugzilla.redhat.com/show_bug.cgi?id=1284047 @@ -57,3 +178,9 @@ 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 |