Deprecate centos 7 train jobs

As we are going to migrate train jobs from centos 7 to centos 8.

Here this change is going to deprecate dedicated centos 7 train jobs
and remove it from job template.

Job list:

1. tripleo-ci-centos-7-scenario007-standalone
2. tripleo-ci-centos-7-containers-undercloud-minion

tripleo-ci-centos-7-standalone-os-tempest job will run only stable/stein.

[1]: http://lists.openstack.org/pipermail/openstack-discuss/2020-July/016157.html

Change-Id: Ia4ea1bf8830a5b7a9c76b2ba1daf9ec89bb96177
Signed-off-by: Bhagyashri Shewale <bshewale@redhat.com>

README.rst

@@ -168,6 +168,14 @@ predictable placement          X
 introspection              X
 ======================== ===== == =======
 
+How to deprecate job?
+---------------------
+
+1. Move the job definition to zuul.d/deprecated-jobs.yaml
+2. Change the parent job to 'tripleo-ci-deprecated'
+3. Change the branches var value to 'none/deprecated'
+4. Remove job usage from the project-templates and from projects.
+
 Documentation
 -------------
 

zuul.d/deprecated-jobs.yaml

@@ -129,3 +129,36 @@
     vars:
       nodes: 1ctlr
       featureset: '033'
+
+- job:
+    name: tripleo-ci-centos-7-containers-undercloud-minion
+    parent: tripleo-ci-deprecated
+    branches: none/deprecated
+    vars:
+      nodes: 1minion
+      featureset: '061'
+      playbooks:
+        - multinode-minion.yml
+      extra_tags:
+        - undercloud-minion-setup
+        - undercloud-minion-deploy
+
+- job:
+    name: tripleo-ci-centos-7-scenario007-standalone
+    voting: true
+    parent: tripleo-ci-deprecated
+    nodeset: single-centos-7-node
+    branches: none/deprecated
+    vars:
+      featureset: '052'
+      featureset_override:
+        run_tempest: false
+        standalone_environment_files:
+          - 'environments/low-memory-usage.yaml'
+          - 'ci/environments/scenario007-standalone.yaml'
+        tempest_services:
+          - neutron
+        tempest_test_whitelist:
+          - 'tempest.scenario.test_network_basic_ops.TestNetworkBasicOps.test_network_basic_ops'
+        tempest_private_net_provider_type: 'vxlan'
+        use_os_tempest: true

zuul.d/multinode-jobs.yaml

@@ -349,19 +349,6 @@
       playbooks:
         - multinode.yml
 
-- job:
-    name: tripleo-ci-centos-7-containers-undercloud-minion
-    parent: tripleo-ci-base-multinode
-    branches: ^stable/train$
-    vars:
-      nodes: 1minion
-      featureset: '061'
-      playbooks:
-        - multinode-minion.yml
-      extra_tags:
-        - undercloud-minion-setup
-        - undercloud-minion-deploy
-
 - job:
     name: tripleo-ci-centos-7-containers-multinode-train
     parent: tripleo-ci-base-multinode

zuul.d/standalone-jobs.yaml

@@ -400,8 +400,6 @@
               - config/general_config/featureset052.yml
               # puppet-tripleo
               - ^manifests/haproxy.*$
-        - tripleo-ci-centos-7-scenario007-standalone:
-            files: *scen7_files
         - tripleo-ci-centos-7-standalone-rocky
         - tripleo-ci-centos-8-standalone-upgrade
         - tripleo-ci-centos-8-standalone-upgrade-ussuri
@@ -429,8 +427,6 @@
             files: *scen3_files
         - tripleo-ci-centos-7-scenario004-standalone:
             files: *scen4_files
-        - tripleo-ci-centos-7-scenario007-standalone:
-            files: *scen7_files
         - tripleo-ci-centos-8-scenario001-standalone:
             files: *scen1_files
         - tripleo-ci-centos-8-scenario002-standalone:
@@ -549,26 +545,6 @@
           - 'tempest.scenario.test_network_basic_ops.TestNetworkBasicOps.test_network_basic_ops'
           - 'manila_tempest_tests.tests.api.test_shares.SharesCephFSTest.test_create_get_delete_share'
 
-- job:
-    name: tripleo-ci-centos-7-scenario007-standalone
-    voting: true
-    parent: tripleo-ci-base-standalone
-    nodeset: single-centos-7-node
-    branches: ^stable/train$
-    vars:
-      featureset: '052'
-      featureset_override:
-        run_tempest: false
-        standalone_environment_files:
-          - 'environments/low-memory-usage.yaml'
-          - 'ci/environments/scenario007-standalone.yaml'
-        tempest_services:
-          - neutron
-        tempest_test_whitelist:
-          - 'tempest.scenario.test_network_basic_ops.TestNetworkBasicOps.test_network_basic_ops'
-        tempest_private_net_provider_type: 'vxlan'
-        use_os_tempest: true
-
 - job:
     name: tripleo-ci-centos-7-scenario010-standalone
     voting: true
@@ -638,7 +614,7 @@
     name: tripleo-ci-centos-7-standalone-os-tempest
     parent: tripleo-ci-base-standalone
     nodeset: single-centos-7-node
-    branches: ^(?!stable/(newton|ocata|pike|queens|rocky)).*$
+    branches: ^stable/stein$
     vars:
       featureset: '052'
       featureset_override:

zuul.d/undercloud-jobs.yaml

@@ -38,8 +38,6 @@
             irrelevant-files: *undercloud_ignored
         - tripleo-ci-centos-8-undercloud-containers:
             irrelevant-files: *undercloud_ignored
-        - tripleo-ci-centos-7-containers-undercloud-minion:
-            irrelevant-files: *undercloud_ignored
         - tripleo-ci-centos-7-containerized-undercloud-upgrades:
             irrelevant-files: *undercloud_ignored
         - tripleo-ci-centos-8-containerized-undercloud-upgrades:
@@ -53,8 +51,6 @@
             irrelevant-files: *undercloud_ignored
         - tripleo-ci-centos-8-undercloud-containers:
             irrelevant-files: *undercloud_ignored
-        - tripleo-ci-centos-7-containers-undercloud-minion:
-            irrelevant-files: *undercloud_ignored
 
 - job:
     name: tripleo-ci-centos-7-undercloud-containers