Support delete compute

Added UT for provisioing action compute node delete.

Change-Id: I39da78d85b152cbbdd58c637057f8dae651e6d0e
Partial-Bug: 1788447

pkg/cluster/ansible.go

@@ -21,11 +21,12 @@ const (
 	updateAction = "update"
 	deleteAction = "delete"
 
-	provisionProvisioningAction  = "PROVISION"
-	upgradeProvisioningAction    = "UPGRADE"
-	importProvisioningAction     = "IMPORT"
-	addComputeProvisioningAction = "ADD_COMPUTE"
-	addCSNProvisioningAction     = "ADD_CSN"
+	provisionProvisioningAction     = "PROVISION"
+	upgradeProvisioningAction       = "UPGRADE"
+	importProvisioningAction        = "IMPORT"
+	addComputeProvisioningAction    = "ADD_COMPUTE"
+	deleteComputeProvisioningAction = "DELETE_COMPUTE"
+	addCSNProvisioningAction        = "ADD_CSN"
 
 	enable  = "yes"
 	disable = "no"
@@ -412,7 +413,7 @@ func (a *ansibleProvisioner) playOrchestratorProvision(ansibleArgs []string) err
 	case orchestratorOpenstack:
 		ansibleArgs = append(ansibleArgs, "-e force_checkout=yes")
 		switch a.clusterData.clusterInfo.ProvisioningAction {
-		case addComputeProvisioningAction:
+		case addComputeProvisioningAction, deleteComputeProvisioningAction:
 			ansibleArgs = append(ansibleArgs, "--tags=nova")
 		}
 		ansibleArgs = append(ansibleArgs, defaultOpenstackProvPlay)
@@ -532,6 +533,19 @@ func (a *ansibleProvisioner) playBook() error {
 		if err := a.playAppformixProvision(); err != nil {
 			return err
 		}
+	case deleteComputeProvisioningAction:
+		if err := a.playInstancesConfig(args); err != nil {
+			return err
+		}
+		if err := a.playOrchestratorProvision(args); err != nil {
+			return err
+		}
+		if err := a.playContrailProvision(args); err != nil {
+			return err
+		}
+		if err := a.playAppformixProvision(); err != nil {
+			return err
+		}
 	case addCSNProvisioningAction:
 		if err := a.playInstancesConfig(args); err != nil {
 			return err

pkg/cluster/cluster_test.go

@@ -21,6 +21,7 @@ const (
 	updatePlaybooks                       = "./test_data/expected_ansible_update_playbook.yml"
 	upgradePlaybooks                      = "./test_data/expected_ansible_upgrade_playbook.yml"
 	addComputePlaybooks                   = "./test_data/expected_ansible_add_compute_playbook.yml"
+	deleteComputePlaybooks                = "./test_data/expected_ansible_delete_compute_playbook.yml"
 	addCSNPlaybooks                       = "./test_data/expected_ansible_add_csn_playbook.yml"
 	createEncryptPlaybooks                = "./test_data/expected_ansible_create_encrypt_playbook.yml"
 	updateEncryptPlaybooks                = "./test_data/expected_ansible_update_encrypt_playbook.yml"
@@ -136,6 +137,12 @@ func runClusterActionTest(t *testing.T, testScenario integration.TestScenario,
 		if expectedInventory != "" {
 			expectedPlaybooks = addComputeEncryptPlaybooks
 		}
+	case deleteComputeProvisioningAction:
+		// remove instances.yml to mock trriger cluster update
+		err = os.Remove(generatedInstancesPath())
+		if err != nil {
+			assert.NoError(t, err, "failed to delete instances.yml")
+		}
 	case addCSNProvisioningAction:
 		// remove instances.yml to mock trriger cluster update
 		err = os.Remove(generatedInstancesPath())
@@ -290,6 +297,11 @@ func runClusterTest(t *testing.T, expectedInstance, expectedInventory string,
 		addComputeProvisioningAction, expectedInstance, expectedInventory,
 		addComputePlaybooks, expectedEndpoints)
 
+	// DELETE_COMPUTE  test
+	runClusterActionTest(t, testScenario, config,
+		deleteComputeProvisioningAction, expectedInstance, "",
+		deleteComputePlaybooks, expectedEndpoints)
+
 	// ADD_CSN  test
 	runClusterActionTest(t, testScenario, config,
 		addCSNProvisioningAction, expectedInstance, expectedInventory,

pkg/cluster/test_data/expected_ansible_delete_compute_playbook.yml

@@ -0,0 +1,6 @@
+playbooks/configure_instances.yml:
+  args: -i inventory/ -e config_file=/var/tmp/contrail_cluster/test_cluster_uuid/instances.yml -e orchestrator=openstack
+playbooks/install_openstack.yml:
+  args: -i inventory/ -e config_file=/var/tmp/contrail_cluster/test_cluster_uuid/instances.yml -e orchestrator=openstack -e force_checkout=yes --tags=nova
+playbooks/install_contrail.yml:
+  args: -i inventory/ -e config_file=/var/tmp/contrail_cluster/test_cluster_uuid/instances.yml -e orchestrator=openstack

schemas/abstract/has_status.yml

@@ -88,6 +88,7 @@ schema:
       enum:
       - "PROVISION"
       - "ADD_COMPUTE"
+      - "DELETE_COMPUTE"
       - "ADD_CSN"
       - "UPGRADE"
       permission: