fi
echo "1"
}
+
+# This function returns the list of services to be migrated away from pacemaker
+# and to systemd. The reason to have these services in a separate function is because
+# this list is needed in three different places: major_upgrade_controller_pacemaker_{1,2}
+# and in the function to migrate the cluster from full HA to HA NG
+function services_to_migrate {
+ # The following PCMK resources the ones the we are going to delete
+ PCMK_RESOURCE_TODELETE="
+ httpd-clone
+ memcached-clone
+ mongod-clone
+ neutron-dhcp-agent-clone
+ neutron-l3-agent-clone
+ neutron-metadata-agent-clone
+ neutron-netns-cleanup-clone
+ neutron-openvswitch-agent-clone
+ neutron-ovs-cleanup-clone
+ neutron-server-clone
+ openstack-aodh-evaluator-clone
+ openstack-aodh-listener-clone
+ openstack-aodh-notifier-clone
+ openstack-ceilometer-central-clone
+ openstack-ceilometer-collector-clone
+ openstack-ceilometer-notification-clone
+ openstack-cinder-api-clone
+ openstack-cinder-scheduler-clone
+ openstack-glance-api-clone
+ openstack-glance-registry-clone
+ openstack-gnocchi-metricd-clone
+ openstack-gnocchi-statsd-clone
+ openstack-heat-api-cfn-clone
+ openstack-heat-api-clone
+ openstack-heat-api-cloudwatch-clone
+ openstack-heat-engine-clone
+ openstack-nova-api-clone
+ openstack-nova-conductor-clone
+ openstack-nova-consoleauth-clone
+ openstack-nova-novncproxy-clone
+ openstack-nova-scheduler-clone
+ openstack-sahara-api-clone
+ openstack-sahara-engine-clone
+ "
+ echo $PCMK_RESOURCE_TODELETE
+}
+
+# This function will migrate a mitaka system where all the resources are managed
+# via pacemaker to a newton setup where only a few services will be managed by pacemaker
+# On a high-level it will operate as follows:
+# 1. Set the cluster in maintenance-mode so no start/stop action will actually take place
+# during the conversion
+# 2. Remove all the colocation constraints and then the ordering constraints, except the
+# ones related to haproxy/VIPs which exist in Newton as well
+# 3. Take the cluster out of maintenance-mode
+# 4. Remove all the resources that won't be managed by pacemaker in newton. The
+# outcome will be
+# that they are stopped and removed from pacemakers control
+# 5. Do a resource cleanup to make sure the cluster is in a clean state
+function migrate_full_to_ng_ha {
+ if [[ -n $(pcmk_running) ]]; then
+ pcs property set maintenance-mode=true
+
+ # First we go through all the colocation constraints (except the ones
+ # we want to keep, i.e. the haproxy/ip ones) and we remove those
+ COL_CONSTRAINTS=$(pcs config show | sed -n '/^Colocation Constraints:$/,/^$/p' | grep -v "Colocation Constraints:" | egrep -v "ip-.*haproxy" | awk '{print $NF}' | cut -f2 -d: |cut -f1 -d\))
+ for constraint in $COL_CONSTRAINTS; do
+ log_debug "Deleting colocation constraint $constraint from CIB"
+ pcs constraint remove "$constraint"
+ done
+
+ # Now we kill all the ordering constraints (except the haproxy/ip ones)
+ ORD_CONSTRAINTS=$(pcs config show | sed -n '/^Ordering Constraints:/,/^Colocation Constraints:$/p' | grep -v "Ordering Constraints:" | awk '{print $NF}' | cut -f2 -d: |cut -f1 -d\))
+ for constraint in $ORD_CONSTRAINTS; do
+ log_debug "Deleting ordering constraint $constraint from CIB"
+ pcs constraint remove "$constraint"
+ done
+ # At this stage all the pacemaker resources are removed from the CIB.
+ # Once we remove the maintenance-mode those systemd resources will keep
+ # on running. They shall be systemd enabled via the puppet converge
+ # step later on
+ pcs property set maintenance-mode=false
+
+ # At this stage there are no constraints whatsoever except the haproxy/ip ones
+ # which we want to keep. We now disable and then delete each resource
+ # that will move to systemd.
+ # We want the systemd resources be stopped before doing "yum update",
+ # that way "systemctl try-restart <service>" is no-op because the
+ # service was down already
+ PCS_STATUS_OUTPUT="$(pcs status)"
+ for resource in $(services_to_migrate) "delay-clone" "openstack-core-clone"; do
+ if echo "$PCS_STATUS_OUTPUT" | grep "$resource"; then
+ log_debug "Deleting $resource from the CIB"
+ if ! pcs resource disable "$resource" --wait=600; then
+ echo_error "ERROR: resource $resource failed to be disabled"
+ exit 1
+ fi
+ pcs resource delete --force "$resource"
+ else
+ log_debug "Service $resource not found as a pacemaker resource, not trying to delete."
+ fi
+ done
+
+ # We need to do a pcs resource cleanup here + crm_resource --wait to
+ # make sure the cluster is in a clean state before we stop everything,
+ # upgrade and restart everything
+ pcs resource cleanup
+ # We are making sure here that the cluster is stable before proceeding
+ if ! timeout -k 10 600 crm_resource --wait; then
+ echo_error "ERROR: cluster remained unstable after resource cleanup for more than 600 seconds, exiting."
+ exit 1
+ fi
+ fi
+}
+
+function disable_standalone_ceilometer_api {
+ if [[ -n $(is_bootstrap_node) ]]; then
+ if [[ -n $(is_pacemaker_managed openstack-ceilometer-api) ]]; then
+ # Disable pacemaker resources for ceilometer-api
+ manage_pacemaker_service disable openstack-ceilometer-api
+ check_resource_pacemaker openstack-ceilometer-api stopped 600
+ pcs resource delete openstack-ceilometer-api --wait=600
+ fi
+ fi
+}
Code Review / apex-tripleo-heat-templates.git / blobdiff