Azure acs module (azure_rm_acs.py) (ansible#28522)

* Adding acs module

* linter issue

* Reduce the VM Size for the int. tests

* Short the name of the cluster

* Fixing the asserts and title

* Fixing VM Scale count in int. tests

* Changing the location of the tests

* trying eastus2

* disabling acs CI tests until stabilized

lib/ansible/module_utils/azure_rm_common.py

@@ -105,6 +105,7 @@
     from azure.mgmt.storage import StorageManagementClient
     from azure.mgmt.compute import ComputeManagementClient
     from azure.mgmt.dns import DnsManagementClient
+    from azure.mgmt.containerservice import ContainerServiceClient
     from azure.storage.cloudstorageaccount import CloudStorageAccount
 except ImportError as exc:
     HAS_AZURE_EXC = exc
@@ -184,6 +185,7 @@ def __init__(self, derived_arg_spec, bypass_checks=False, no_log=False,
         self._resource_client = None
         self._compute_client = None
         self._dns_client = None
+        self._containerservice_client = None
         self.check_mode = self.module.check_mode
         self.facts_module = facts_module
         # self.debug = self.module.params.get('debug')
@@ -724,3 +726,14 @@ def dns_client(self):
             )
             self._register('Microsoft.Dns')
         return self._dns_client
+
+    @property
+    def containerservice_client(self):
+        self.log('Getting container service client')
+        if not self._containerservice_client:
+            self._containerservice_client = ContainerServiceClient(
+                self.azure_credentials,
+                self.subscription_id
+            )
+            self._register('Microsoft.ContainerService')
+        return self._containerservice_client