Remove deployment graph config for patching

Patching feature was obsoleted and is not supported anymore.

Delete deployment graph configuration for patching. Delete condition that
yields this configuration when cluster asked for deployment graph.

Closes-bug: 1511499
Change-Id: I7d73aba5b090a5d24729553fdab76bbbaea34ebd

nailgun/nailgun/objects/cluster.py

@@ -24,7 +24,6 @@ from distutils.version import StrictVersion
 import six
 import sqlalchemy as sa
 from sqlalchemy.dialects import postgresql as psql
-import yaml
 
 
 from nailgun import consts
@@ -38,7 +37,6 @@ from nailgun.objects import NailgunCollection
 from nailgun.objects import NailgunObject
 from nailgun.objects import Release
 from nailgun.objects.serializers.cluster import ClusterSerializer
-from nailgun.orchestrator import graph_configuration
 from nailgun.plugins.manager import PluginManager
 from nailgun.settings import settings
 from nailgun.utils import AttributesGenerator
@@ -812,8 +810,6 @@ class Cluster(NailgunObject):
         """
         if instance.deployment_tasks:
             return instance.deployment_tasks
-        elif instance.pending_release_id:
-            return yaml.load(graph_configuration.PATCHING)
         else:
             release_deployment_tasks = \
                 Release.get_deployment_tasks(instance.release)

nailgun/nailgun/orchestrator/graph_configuration.py

@@ -198,90 +198,3 @@ DEPLOYMENT_50 = """
     puppet_modules: /etc/puppet/modules
     timeout: 3600
 """
-
-PATCHING = """
-
-- id: deploy_start
-  type: stage
-
-- id: deploy_end
-  type: stage
-  requires: [deploy_start]
-
-- id: primary-controller
-  type: group
-  role: [primary-controller]
-  required_for: [deploy_end]
-  requires: [deploy_start]
-  parameters:
-    strategy:
-      type: one_by_one
-- id: controller
-  type: group
-  role: [controller]
-  requires: [primary-controller]
-  required_for: [deploy_end]
-  parameters:
-    strategy:
-      type: one_by_one
-- id: cinder
-  type: group
-  role: [cinder]
-  requires: [controller]
-  required_for: [deploy_end]
-  parameters:
-    strategy:
-      type: one_by_one
-- id: compute
-  type: group
-  role: [compute]
-  requires: [controller]
-  required_for: [deploy_end]
-  parameters:
-    strategy:
-      type: one_by_one
-- id: zabbix-server
-  type: group
-  role: [zabbix-server]
-  required_for: [deploy_end]
-  requires: [deploy_start]
-  parameters:
-    strategy:
-      type: one_by_one
-- id: mongo
-  type: group
-  role: [mongo]
-  requires: [zabbix-server]
-  required_for: [deploy_end, primary-controller, controller]
-  parameters:
-    strategy:
-      type: one_by_one
-- id: primary-mongo
-  type: group
-  role: [primary-mongo]
-  requires: [mongo]
-  required_for: [deploy_end, primary-controller, controller]
-  parameters:
-    strategy:
-      type: one_by_one
-- id: ceph-osd
-  type: group
-  role: [ceph-osd]
-  requires: [controller]
-  required_for: [deploy_end]
-  parameters:
-    strategy:
-      type: one_by_one
-
-- id: deploy_legacy
-  type: puppet
-  groups: [primary-controller, controller,
-           cinder, compute, ceph-osd,
-           zabbix-server, primary-mongo, mongo]
-  required_for: [deploy_end]
-  requires: [deploy_start]
-  parameters:
-    puppet_manifest: /etc/puppet/manifests/site.pp
-    puppet_modules: /etc/puppet/modules
-    timeout: 3600
-"""