New native Zuul v3 version of the tempest jobs

Create the jobs in this repository: they will be used from
zaqar repository, not the other way round as it is now.

The jobs have been renamed according the naming guidelines.
The IPv6 jobs has been added here as well to prevent regressions.

Change-Id: Icffb53316e4a7db67db22aef6988f15a3ff79b1f

.zuul.yaml

@@ -1,20 +1,72 @@
 - job:
-    name: zaqar-tempest-plugin-tempest-mongodb
-    parent: zaqar-tempest-base
-    vars:
-      database_backend: mongodb
+    name: zaqar-tempest-plugin-base
+    abstract: true
+    parent: devstack-tempest
+    description: |
+      Abstract base tempest job for zaqar tempest plugin
+    required-projects: &zaqar-plugin-required-projects
+      - opendev.org/openstack/python-zaqarclient
+      - opendev.org/openstack/zaqar
+      - opendev.org/openstack/zaqar-tempest-plugin
+    vars: &zaqar-plugin-vars
+      devstack_plugins:
+        zaqar: https://opendev.org/openstack/zaqar
+      devstack_services:
+        # probably other services can be disabled;
+        # the old legacy job only uses mysql, keystone, zaqar and tempest
+        s-account: false
+        s-container: false
+        s-object: false
+        s-proxy: false
+        c-bak: false
+      tempest_plugins:
+        - zaqar-tempest-plugin
+      tempest_test_regex: zaqar_tempest_plugin.tests
+      tox_envlist: all
+    irrelevant-files: &zaqar-irrelevant-files
+      - ^(test-|)requirements.txt$
+      - ^setup.cfg$
 
 - job:
-    name: zaqar-tempest-plugin-tempest-redis
-    parent: zaqar-tempest-base
-    vars:
-      database_backend: redis
+    name: zaqar-tempest-plugin-base-ipv6
+    abstract: true
+    parent: devstack-tempest-ipv6
+    description: |
+      Abstract base tempest job for zaqar tempest plugin (IPv6-based)
+    required-projects: *zaqar-plugin-required-projects
+    vars: *zaqar-plugin-vars
+    irrelevant-files: *zaqar-irrelevant-files
 
 - job:
-    name: zaqar-tempest-plugin-tempest-swift
-    parent: zaqar-tempest-base
+    name: zaqar-tempest-plugin-mongodb
+    parent: zaqar-tempest-plugin-base
     vars:
-      database_backend: swift
+      devstack_localrc:
+        ZAQAR_BACKEND: mongodb
+
+- job:
+    name: zaqar-tempest-plugin-redis
+    parent: zaqar-tempest-plugin-base
+    vars:
+      devstack_localrc:
+        ZAQAR_BACKEND: redis
+
+- job:
+    name: zaqar-tempest-plugin-swift
+    parent: zaqar-tempest-plugin-base
+    vars: &zaqar-tempest-swift-vars
+      devstack_localrc:
+        ZAQAR_BACKEND: swift
+      devstack_services:
+        s-account: true
+        s-container: true
+        s-object: true
+        s-proxy: true
+
+- job:
+    name: zaqar-tempest-plugin-swift-ipv6
+    parent: zaqar-tempest-plugin-base-ipv6
+    vars: *zaqar-tempest-swift-vars
 
 - project:
     templates:
@@ -22,12 +74,14 @@
       - tempest-plugin-jobs
     check:
       jobs:
-        - zaqar-tempest-plugin-tempest-redis
-        - zaqar-tempest-plugin-tempest-swift
-        - zaqar-tempest-plugin-tempest-mongodb
+        - zaqar-tempest-plugin-mongodb
+        - zaqar-tempest-plugin-redis
+        - zaqar-tempest-plugin-swift
+        - zaqar-tempest-plugin-swift-ipv6
     gate:
       queue: zaqar
       jobs:
-        - zaqar-tempest-plugin-tempest-redis
-        - zaqar-tempest-plugin-tempest-swift
-        - zaqar-tempest-plugin-tempest-mongodb
+        - zaqar-tempest-plugin-mongodb
+        - zaqar-tempest-plugin-redis
+        - zaqar-tempest-plugin-swift
+        - zaqar-tempest-plugin-swift-ipv6