Cannot wait more than 10 minutes during VNF create

A time out occurs ten minutes after starting VNF create.
If the creation is not complete within ten minutes, it always
fails.

To prevent this, the timeout mins value of Heat Stack create is
changed from "10" to "(retry times) * (wait time)" defined in
Tacker's CONF.

Change-Id: I3b46fff45290904abbdc5e1c356e0215b653b9f5
Closes-Bug: #1885080

tacker/tests/unit/vnfm/infra_drivers/openstack/test_openstack.py

@@ -292,7 +292,8 @@ class TestOpenStack(base.TestCase):
     def _get_expected_fields_tosca(self, template):
         return {'stack_name':
                 'test_openwrt_eb84260e-5ff7-4332-b032-50a14d6c1123',
-                'template': _get_template(template)}
+                'template': _get_template(template),
+                'timeout_mins': 10}
 
     def _get_expected_tosca_vnf(self,
                                 tosca_tpl_name,

tacker/vnfm/infra_drivers/openstack/heat_client.py

@@ -41,12 +41,12 @@ class HeatClient(object):
 
     def create(self, fields):
         fields = fields.copy()
-        fields.update({
-            'timeout_mins': 10,
-            'disable_rollback': True})
+        fields['disable_rollback'] = True
         if 'password' in fields.get('template', {}):
             fields['password'] = fields['template']['password']
 
+        fields.setdefault('timeout_mins')
+
         try:
             return self.stacks.create(**fields)
         except heatException.HTTPException:

tacker/vnfm/infra_drivers/openstack/openstack.py

@@ -233,6 +233,8 @@ class OpenStack(abstract_driver.VnfAbstractDriver,
         fields['stack_name'] = ("vnflcm_" + vnf["id"])
         fields['template'] = self._format_base_hot(base_hot_dict)
         fields['parameters'] = hot_param_dict
+        fields['timeout_mins'] = (
+            self.STACK_RETRIES * self.STACK_RETRY_WAIT // 60)
 
         LOG.debug('fields: %s', fields)
         LOG.debug('template: %s', fields['template'])
@@ -257,6 +259,9 @@ class OpenStack(abstract_driver.VnfAbstractDriver,
                     'failure_count'])
             fields['stack_name'] = name
 
+        fields['timeout_mins'] = (
+            self.STACK_RETRIES * self.STACK_RETRY_WAIT // 60)
+
         # service context is ignored
         LOG.debug('service_context: %s', vnf.get('service_context', []))
         LOG.debug('fields: %s', fields)