pacemaker: remove node on delete (SOC-11240)

chef/data_bags/crowbar/migrate/pacemaker/302_add_delete_transition.rb

@@ -0,0 +1,11 @@
+def upgrade(template_attrs, template_deployment, attrs, deployment)
+  deployment["config"]["transition_list"] = template_deployment["config"]["transition_list"]
+  deployment["config"]["transitions"] = template_deployment["config"]["transitions"]
+  return attrs, deployment
+end
+
+def downgrade(template_attrs, template_deployment, attrs, deployment)
+  deployment["config"]["transition_list"] = template_deployment["config"]["transition_list"]
+  deployment["config"]["transitions"] = template_deployment["config"]["transitions"]
+  return attrs, deployment
+end

chef/data_bags/crowbar/template-pacemaker.json

@@ -65,7 +65,7 @@
     "pacemaker": {
       "crowbar-revision": 0,
       "crowbar-applied": false,
-      "schema-revision": 301,
+      "schema-revision": 302,
       "element_states": {
         "pacemaker-cluster-member"    : [ "readying", "ready", "applying" ],
         "hawk-server"                 : [ "readying", "ready", "applying" ],
@@ -80,9 +80,8 @@
       "config": {
         "environment": "pacemaker-base-config",
         "mode": "full",
-        "transitions": false,
-        "transition_list": [
-        ]
+        "transitions": true,
+        "transition_list": [ "delete" ]
       }
     }
   }

crowbar_framework/app/models/pacemaker_service.rb

@@ -955,6 +955,34 @@ def prepare_stonith_attributes(role_attributes, remote_nodes, member_nodes, remo
     end
   end
 
+  def transition(inst, name, state)
+    @logger.debug("Pacemaker transition: entering: #{name} for #{state}")
+
+    if state == "delete"
+      proposal = Proposal.find_by(barclamp: @bc_name, name: inst)
+      stonith_mode = proposal["attributes"]["pacemaker"]["stonith"]["mode"]
+
+      # remove node from stonith cfg
+      proposal["attributes"]["pacemaker"]["stonith"][
+        stonith_mode]["nodes"].delete(name)
+      if proposal["attributes"]["pacemaker"]["stonith"]["per_node"]["nodes"]
+        proposal["attributes"]["pacemaker"]["stonith"][
+          "per_node"]["nodes"].delete(name)
+      end
+
+      # remove from pacemaker-cluster-member
+      proposal["deployment"]["pacemaker"]["elements"][
+        "pacemaker-cluster-member"].delete(name)
+
+      # Save and commit
+      proposal.save
+      proposal_commit(inst, in_queue: false, validate: false, validate_after_save: false)
+    end
+
+    @logger.debug("Pacemaker transition: exiting: #{name} for #{state}")
+    [200, { name: name }]
+  end
+
   private
 
   def pacemaker_node_name(node, remotes)