Automatically removing all resources allocated by VM (#50652)

lib/ansible/modules/cloud/azure/azure_rm_virtualmachine.py

@@ -276,9 +276,11 @@ options:
             - subnet
     remove_on_absent:
         description:
-            - When removing a VM using state 'absent', also remove associated resources
-            - "It can be 'all' or a list with any of the following: ['network_interfaces', 'virtual_storage', 'public_ips']"
-            - Any other input will be ignored
+            - "When removing a VM using state 'absent', also remove associated resources."
+            - "It can be 'all' or 'all_autocreated' or  a list with any of the following: ['network_interfaces', 'virtual_storage', 'public_ips']."
+            - "To remove all resources referred by VM use 'all'."
+            - "To remove all resources that were automatically created while provisioning VM use 'all_autocreated'."
+            - Any other input will be ignored.
         default: ['all']
     plan:
         description:
@@ -497,15 +499,6 @@ EXAMPLES = '''
     name: testvm002
     restarted: yes
 
-- name: remove vm and all resources except public ips
-  azure_rm_virtualmachine:
-    resource_group: Testing
-    name: testvm002
-    state: absent
-    remove_on_absent:
-        - network_interfaces
-        - virtual_storage
-
 - name: Create a VM with an Availability Zone
   azure_rm_virtualmachine:
     resource_group: Testing
@@ -515,6 +508,13 @@ EXAMPLES = '''
     admin_password: password01
     image: customimage001
     zones: [1]
+
+- name: Remove a VM and all resources that were autocreated
+  azure_rm_virtualmachine:
+    resource_group: Testing
+    name: testvm002
+    remove_on_absent: all_autocreated
+    state: absent
 '''
 
 RETURN = '''
@@ -1210,7 +1210,7 @@ class AzureRMVirtualMachine(AzureRMModuleBase):
                                        "from the marketplace. - {2}").format(self.name, self.plan, str(exc)))
 
                     self.log("Create virtual machine with parameters:")
-                    self.create_or_update_vm(vm_resource)
+                    self.create_or_update_vm(vm_resource, 'all_autocreated' in self.remove_on_absent)
 
                 elif self.differences and len(self.differences) > 0:
                     # Update the VM based on detected config differences
@@ -1342,7 +1342,7 @@ class AzureRMVirtualMachine(AzureRMModuleBase):
                         vm_resource.storage_profile.data_disks = data_disks
 
                     self.log("Update virtual machine with parameters:")
-                    self.create_or_update_vm(vm_resource)
+                    self.create_or_update_vm(vm_resource, False)
 
                 # Make sure we leave the machine in requested power state
                 if (powerstate_change == 'poweron' and
@@ -1421,7 +1421,6 @@ class AzureRMVirtualMachine(AzureRMModuleBase):
                     nic_dict = self.serialize_obj(nic, 'NetworkInterface')
                     interface_dict['name'] = int_dict['networkInterfaces']
                     interface_dict['properties'] = nic_dict['properties']
-
         # Expand public IPs to include config properties
         for interface in result['properties']['networkProfile']['networkInterfaces']:
             for config in interface['properties']['ipConfigurations']:
@@ -1493,12 +1492,28 @@ class AzureRMVirtualMachine(AzureRMModuleBase):
             self.fail("Error generalizing virtual machine {0} - {1}".format(self.name, str(exc)))
         return True
 
+    def remove_autocreated_resources(self, tags):
+        if tags:
+            sa_name = tags.get('_own_sa_')
+            nic_name = tags.get('_own_nic_')
+            pip_name = tags.get('_own_pip_')
+            nsg_name = tags.get('_own_nsg_')
+            if sa_name:
+                self.delete_storage_account(self.resource_group, sa_name)
+            if nic_name:
+                self.delete_nic(self.resource_group, nic_name)
+            if pip_name:
+                self.delete_pip(self.resource_group, pip_name)
+            if nsg_name:
+                self.delete_nsg(self.resource_group, nsg_name)
+
     def delete_vm(self, vm):
         vhd_uris = []
         managed_disk_ids = []
         nic_names = []
         pip_names = []
 
+        if 'all_autocreated' not in self.remove_on_absent:
             if self.remove_on_absent.intersection(set(['all', 'virtual_storage'])):
                 # store the attached vhd info so we can nuke it after the VM is gone
                 if(vm.storage_profile.os_disk.managed_disk):
@@ -1550,6 +1565,9 @@ class AzureRMVirtualMachine(AzureRMModuleBase):
         except Exception as exc:
             self.fail("Error deleting virtual machine {0} - {1}".format(self.name, str(exc)))
 
+        if 'all_autocreated' in self.remove_on_absent:
+            self.remove_autocreated_resources(vm.tags)
+        else:
             # TODO: parallelize nic, vhd, and public ip deletions with begin_deleting
             # TODO: best-effort to keep deleting other linked resources if we encounter an error
             if self.remove_on_absent.intersection(set(['all', 'virtual_storage'])):
@@ -1567,6 +1585,7 @@ class AzureRMVirtualMachine(AzureRMModuleBase):
                 self.log('Deleting public IPs')
                 for pip_dict in pip_names:
                     self.delete_pip(pip_dict['resource_group'], pip_dict['name'])
+
         return True
 
     def get_network_interface(self, resource_group, name):
@@ -1575,6 +1594,7 @@ class AzureRMVirtualMachine(AzureRMModuleBase):
             return nic
         except Exception as exc:
             self.fail("Error fetching network interface {0} - {1}".format(name, str(exc)))
+        return True
 
     def delete_nic(self, resource_group, name):
         self.log("Deleting network interface {0}".format(name))
@@ -1597,6 +1617,15 @@ class AzureRMVirtualMachine(AzureRMModuleBase):
         # Delete returns nada. If we get here, assume that all is well.
         return True
 
+    def delete_nsg(self, resource_group, name):
+        self.results['actions'].append("Deleted NSG {0}".format(name))
+        try:
+            poller = self.network_client.network_security_groups.delete(resource_group, name)
+            self.get_poller_result(poller)
+        except Exception as exc:
+            self.fail("Error deleting {0} - {1}".format(name, str(exc)))
+        return True
+
     def delete_managed_disks(self, managed_disk_ids):
         for mdi in managed_disk_ids:
             try:
@@ -1604,6 +1633,16 @@ class AzureRMVirtualMachine(AzureRMModuleBase):
                 self.get_poller_result(poller)
             except Exception as exc:
                 self.fail("Error deleting managed disk {0} - {1}".format(mdi, str(exc)))
+        return True
+
+    def delete_storage_account(self, resource_group, name):
+        self.log("Delete storage account {0}".format(name))
+        self.results['actions'].append("Deleted storage account {0}".format(name))
+        try:
+            self.storage_client.storage_accounts.delete(self.resource_group, name)
+        except Exception as exc:
+            self.fail("Error deleting storage account {0} - {2}".format(name, str(exc)))
+        return True
 
     def delete_vm_storage(self, vhd_uris):
         # FUTURE: figure out a cloud_env indepdendent way to delete these
@@ -1625,6 +1664,7 @@ class AzureRMVirtualMachine(AzureRMModuleBase):
                 blob_client.delete_blob(container_name, blob_name)
             except Exception as exc:
                 self.fail("Error deleting blob {0}:{1} - {2}".format(container_name, blob_name, str(exc)))
+        return True
 
     def get_marketplace_image_version(self):
         try:
@@ -1681,11 +1721,13 @@ class AzureRMVirtualMachine(AzureRMModuleBase):
         except Exception as exc:
             self.fail("Error fetching storage account {0} - {1}".format(name, str(exc)))
 
-    def create_or_update_vm(self, params):
+    def create_or_update_vm(self, params, remove_autocreated_on_failure):
         try:
             poller = self.compute_client.virtual_machines.create_or_update(self.resource_group, self.name, params)
             self.get_poller_result(poller)
         except Exception as exc:
+            if remove_autocreated_on_failure:
+                self.remove_autocreated_resources(params.tags)
             self.fail("Error creating or updating virtual machine {0} - {1}".format(self.name, str(exc)))
 
     def vm_size_is_valid(self):
@@ -1712,6 +1754,8 @@ class AzureRMVirtualMachine(AzureRMModuleBase):
         '''
         account = None
         valid_name = False
+        if self.tags is None:
+            self.tags = {}
 
         # Attempt to find a valid storage account name
         storage_account_name_base = re.sub('[^a-zA-Z0-9]', '', self.name[:20].lower())
@@ -1746,6 +1790,7 @@ class AzureRMVirtualMachine(AzureRMModuleBase):
             self.get_poller_result(poller)
         except Exception as exc:
             self.fail("Failed to create storage account: {0} - {1}".format(storage_account_name, str(exc)))
+        self.tags['_own_sa_'] = storage_account_name
         return self.get_storage_account(storage_account_name)
 
     def check_storage_account_name(self, name):
@@ -1769,6 +1814,8 @@ class AzureRMVirtualMachine(AzureRMModuleBase):
 
         network_interface_name = self.name + '01'
         nic = None
+        if self.tags is None:
+            self.tags = {}
 
         self.log("Create default NIC {0}".format(network_interface_name))
         self.log("Check to see if NIC {0} exists".format(network_interface_name))
@@ -1849,10 +1896,12 @@ class AzureRMVirtualMachine(AzureRMModuleBase):
             sku = self.network_models.PublicIPAddressSku(name="Standard") if self.zones else None
             pip_info = self.create_default_pip(self.resource_group, self.location, self.name + '01', self.public_ip_allocation_method, sku=sku)
             pip = self.network_models.PublicIPAddress(id=pip_info.id, location=pip_info.location, resource_guid=pip_info.resource_guid, sku=sku)
+            self.tags['_own_pip_'] = self.name + '01'
 
         self.results['actions'].append('Created default security group {0}'.format(self.name + '01'))
         group = self.create_default_securitygroup(self.resource_group, self.location, self.name + '01', self.os_type,
                                                   self.open_ports)
+        self.tags['_own_nsg_'] = self.name + '01'
 
         parameters = self.network_models.NetworkInterface(
             location=self.location,
@@ -1877,6 +1926,7 @@ class AzureRMVirtualMachine(AzureRMModuleBase):
                                                                              network_interface_name,
                                                                              parameters)
             new_nic = self.get_poller_result(poller)
+            self.tags['_own_nic_'] = network_interface_name
         except Exception as exc:
             self.fail("Error creating network interface {0} - {1}".format(network_interface_name, str(exc)))
         return new_nic

test/integration/targets/azure_rm_virtualmachine/tasks/virtualmachine.yml

@@ -3,6 +3,7 @@
       storage_account: "{{ resource_group | hash('md5') | truncate(24, True, '') }}"
       vm_name1: "vm1{{ resource_group | hash('md5') | truncate(5, True, '') }}"
       vm_name2: "vm2{{ resource_group | hash('md5') | truncate(5, True, '') }}"
+      vm_name3: "vm3{{ resource_group | hash('md5') | truncate(5, True, '') }}"
       abs_name1: "avbs1{{ resource_group | hash('md5') | truncate(3, True, '') }}"
       abs_name2: "avbs2{{ resource_group | hash('md5') | truncate(3, True, '') }}"
 
@@ -500,3 +501,49 @@
 
 #- assert:
     #that: not output.changed
+
+- name: Create minimal VM with defaults
+  azure_rm_virtualmachine:
+    resource_group: "{{ resource_group }}"
+    name: "{{ vm_name3 }}"
+    admin_username: "testuser"
+    admin_password: "Pass123$$$abx!"
+    vm_size: Standard_B1ms
+    image:
+      offer: UbuntuServer
+      publisher: Canonical
+      sku: 16.04-LTS
+      version: latest
+  register: vm_output
+
+- name: Delete VM
+  azure_rm_virtualmachine:
+    resource_group: "{{ resource_group }}"
+    name: "{{ vm_name3 }}"
+    remove_on_absent: all_autocreated
+    state: absent
+
+- name: Query NIC
+  azure_rm_networkinterface_facts:
+    resource_group: "{{ resource_group }}"
+    name: "{{ vm_name3 }}01"
+  register: output_nic
+      
+- name: Query NSG
+  azure_rm_securitygroup_facts:
+    resource_group: "{{ resource_group }}"
+    name: "{{ vm_name3 }}01"
+  register: output_nsg
+
+- name: Query PIP
+  azure_rm_publicipaddress_facts:
+    resource_group: "{{ resource_group }}"
+    name: "{{ vm_name3 }}01"
+  register: output_pip
+
+- name: Assert that autocreated resources were deleted
+  assert:
+    that: 
+      - output_nic.ansible_facts.azure_networkinterfaces | length == 0
+      - output_nsg.ansible_facts.azure_securitygroups | length == 0
+      - output_pip.ansible_facts.azure_publicipaddresses | length == 0