Merge "minor update: move VIP before stopping pacemaker on a node"

puppet/services/pacemaker.yaml

@@ -162,6 +162,26 @@ outputs:
           pacemaker_cluster: state=online check_and_fail=true
           async: 30
           poll: 4
+        - name: Move virtual IPs to another node before stopping pacemaker
+          when: step|int == 1
+          shell: |
+            CLUSTER_NODE=$(crm_node -n)
+            echo "Retrieving all the VIPs which are hosted on this node"
+            VIPS_TO_MOVE=$(crm_mon --as-xml | xmllint --xpath '//resource[@resource_agent = "ocf::heartbeat:IPaddr2" and @role = "Started" and @managed = "true" and ./node[@name = "'${CLUSTER_NODE}'"]]/@id' - | sed -e 's/id=//g' -e 's/"//g')
+            for v in ${VIPS_TO_MOVE}; do
+                echo "Moving VIP $v on another node"
+                pcs resource move $v --wait=300
+            done
+            echo "Removing the location constraints that were created to move the VIPs"
+            for v in ${VIPS_TO_MOVE}; do
+                echo "Removing location ban for VIP $v"
+                ban_id=$(cibadmin --query | xmllint --xpath 'string(//rsc_location[@rsc="'${v}'" and @node="'${CLUSTER_NODE}'" and @score="-INFINITY"]/@id)' -)
+                if [ -n "$ban_id" ]; then
+                    pcs constraint remove ${ban_id}
+                else
+                    echo "Could not retrieve and clear location constraint for VIP $v" 2>&1
+                fi
+            done
         - name: Stop pacemaker cluster
           when: step|int == 1
           pacemaker_cluster: state=offline