Add unit jobs in zuul v3

Change-Id: I3d21011beb57e66cce8d18efb9f603f218258ee2
(cherry picked from commit 6ce2fca854)

.zuul.yaml

@@ -5,10 +5,6 @@
 - job:
     name: puppet-openstack-integration-base
     parent: puppet-openstack-base
-    pre-run: playbooks/prepare-node-integration.yaml
-    run: playbooks/run-integration-tests.yaml
-    post-run: playbooks/upload-logs.yaml
-    timeout: 5400
     required-projects:
       - openstack/openstack
       - openstack/puppet-aodh
@@ -51,6 +47,14 @@
       - openstack/puppet-zaqar
       - openstack/tempest
       - openstack/tempest-horizon
+
+- job:
+    name: puppet-openstack-integration-run-base
+    parent: puppet-openstack-integration-base
+    pre-run: playbooks/prepare-node-integration.yaml
+    run: playbooks/run-integration-tests.yaml
+    post-run: playbooks/upload-logs.yaml
+    timeout: 5400
     irrelevant-files:
       - ^.*\.md$
       - ^metadata.json$
@@ -62,7 +66,7 @@
 
 - job:
     name: puppet-openstack-integration-4
-    parent: puppet-openstack-integration-base
+    parent: puppet-openstack-integration-run-base
     vars:
       puppet: 4
 
@@ -134,7 +138,7 @@
 
 - job:
     name: puppet-openstack-integration-5
-    parent: puppet-openstack-integration-base
+    parent: puppet-openstack-integration-run-base
     voting: false
     vars:
       puppet: 5
@@ -332,6 +336,67 @@
     run: playbooks/run-build-tests.yaml
     files: ^metadata.json$
 
+- job:
+    name: puppet-openstack-unit-base
+    parent: puppet-openstack-integration-base
+    run: playbooks/run-unit-tests.yaml
+    pre-run: playbooks/prepare-node-unit.yaml
+    timeout: 3600
+    irrelevant-files:
+      - ^.*\.md$
+      - ^.*\.rst$
+      - ^doc/.*$
+      - ^etc/.*$
+      - ^metadata.json$
+      - ^releasenotes/.*$
+      - ^test-requirements.txt$
+
+- job:
+    name: puppet-openstack-unit-3.6-centos-7
+    parent: puppet-openstack-unit-base
+    nodeset: centos-7
+    branches: ^(stable/(newton|ocata)).*$
+    vars:
+      puppet_gem_version: 3.6
+
+- job:
+    name: puppet-openstack-unit-3.8-centos-7
+    parent: puppet-openstack-unit-base
+    nodeset: centos-7
+    branches: ^(stable/(newton|ocata)).*$
+    vars:
+      puppet_gem_version: 3.8
+
+- job:
+    name: puppet-openstack-unit-4.8-centos-7
+    parent: puppet-openstack-unit-base
+    nodeset: centos-7
+    vars:
+      puppet_gem_version: 4.8
+
+- job:
+    name: puppet-openstack-unit-latest-centos-7
+    parent: puppet-openstack-unit-base
+    nodeset: centos-7
+    branches: ^master
+    voting: false
+    vars:
+      puppet_gem_version: latest
+
+- project-template:
+    name: puppet-openstack-module-unit-jobs
+    check:
+      jobs:
+        - puppet-openstack-unit-3.6-centos-7
+        - puppet-openstack-unit-3.8-centos-7
+        - puppet-openstack-unit-4.8-centos-7
+        - puppet-openstack-unit-latest-centos-7
+    gate:
+      jobs:
+        - puppet-openstack-unit-3.6-centos-7
+        - puppet-openstack-unit-3.8-centos-7
+        - puppet-openstack-unit-4.8-centos-7
+
 - project-template:
     name: puppet-openstack-check-jobs
     check:

playbooks/run-unit-tests.yaml

@@ -0,0 +1,14 @@
+- hosts: all
+  tasks:
+    - shell:
+        cmd: |
+          if [ "{{ puppet_gem_version }}" != "latest" ]; then
+            export PUPPET_GEM_VERSION='~> {{ puppet_gem_version }}.0'
+          fi
+          mkdir .bundled_gems
+          export GEM_HOME=`pwd`/.bundled_gems
+          gem install bundler --no-rdoc --no-ri --verbose
+          $GEM_HOME/bin/bundle install --retry 3
+          $GEM_HOME/bin/bundle exec rake spec SPEC_OPTS='--format documentation'
+        chdir: '{{ ansible_user_dir }}/workspace'
+      environment: '{{ zuul | zuul_legacy_vars }}'