Migrate grenade jobs to zuul v3

Needed-By: Ie080d74e54850f2d892b23ebd5e0412b0d139199
Change-Id: I02edcec5b464fc294dd87e1a4e1ef8e0d50592bc

.zuul.yaml

@@ -75,10 +75,46 @@
     vars:
       use_identity_v3_only: 1
 
+- job:
+    name: grenade-heat
+    parent: legacy-dsvm-base
+    run: playbooks/devstack/grenade/run
+    post-run: playbooks/devstack/functional/post
+    timeout: 7800
+    branches: ^(?!(driverfixes|stable/(mitaka|newton))).*$
+    required-projects:
+      - openstack-dev/grenade
+      - openstack-infra/devstack-gate
+      - openstack/heat
+    irrelevant-files:
+      - ^(test-|)requirements.txt$
+      - ^.*\.rst$
+      - ^api-ref/.*$
+      - ^doc/.*$
+      - ^heat/locale/.*$
+      - ^heat/tests/.*$
+      - ^releasenotes/.*$
+      - ^setup.cfg$
+    vars:
+      topology: aio
+      branch_override: default
+
+- job:
+    name: grenade-heat-multinode
+    parent: grenade-heat
+    nodeset: ubuntu-xenial-2-node
+    roles:
+      - zuul: openstack-infra/zuul-jobs
+    pre-run: playbooks/devstack/multinode-networking/pre
+    voting: false
+    vars:
+      topology: multinode
+
 - project:
     name: openstack/heat
     check:
       jobs:
+        - grenade-heat
         - heat-functional-orig-mysql-lbaasv2
         - heat-functional-convg-mysql-lbaasv2
         - heat-functional-convg-mysql-lbaasv2-amqp1
@@ -87,7 +123,11 @@
         - heat-functional-convg-mysql-lbaasv2-identity-v3-only
     gate:
       jobs:
+        - grenade-heat
         - heat-functional-orig-mysql-lbaasv2
         - heat-functional-convg-mysql-lbaasv2
         - heat-functional-convg-mysql-lbaasv2-non-apache
         - heat-functional-convg-mysql-lbaasv2-py35
+    experimental:
+      jobs:
+        - grenade-heat-multinode

playbooks/devstack/grenade/run.yaml

@@ -0,0 +1,57 @@
+- hosts: primary
+  name: job for grenade-heat
+  tasks:
+
+    - name: Ensure legacy workspace directory
+      file:
+        path: '{{ ansible_user_dir }}/workspace'
+        state: directory
+
+    - shell:
+        cmd: |
+          set -e
+          set -x
+          cat > clonemap.yaml << EOF
+          clonemap:
+            - name: openstack-infra/devstack-gate
+              dest: devstack-gate
+          EOF
+          /usr/zuul-env/bin/zuul-cloner -m clonemap.yaml --cache-dir /opt/git \
+              git://git.openstack.org \
+              openstack-infra/devstack-gate
+        executable: /bin/bash
+        chdir: '{{ ansible_user_dir }}/workspace'
+      environment: '{{ zuul | zuul_legacy_vars }}'
+
+    - shell:
+        cmd: |
+          set -e
+          set -x
+          cat << 'EOF' >>"/tmp/dg-local.conf"
+          [[local|localrc]]
+          enable_plugin heat git://git.openstack.org/openstack/heat
+          EOF
+        executable: /bin/bash
+        chdir: '{{ ansible_user_dir }}/workspace'
+      environment: '{{ zuul | zuul_legacy_vars }}'
+
+    - shell:
+        cmd: |
+          set -e
+          set -x
+          export PROJECTS="openstack-dev/grenade $PROJECTS"
+          export PYTHONUNBUFFERED=true
+          export GRENADE_PLUGINRC="enable_grenade_plugin heat https://git.openstack.org/openstack/heat"
+          export DEVSTACK_GATE_NEUTRON=1
+          export DEVSTACK_GATE_TEMPEST=1
+          export DEVSTACK_GATE_TEMPEST_NOTESTS=1
+          export DEVSTACK_GATE_GRENADE=pullup
+          if [ "{{ branch_override }}" != "default" ] ; then
+              export OVERRIDE_ZUUL_BRANCH=$BRANCH_OVERRIDE
+          fi
+          export DEVSTACK_GATE_TOPOLOGY="{{ topology }}"
+          cp devstack-gate/devstack-vm-gate-wrap.sh ./safe-devstack-vm-gate-wrap.sh
+          ./safe-devstack-vm-gate-wrap.sh
+        executable: /bin/bash
+        chdir: '{{ ansible_user_dir }}/workspace'
+      environment: '{{ zuul | zuul_legacy_vars }}'

playbooks/devstack/multinode-networking/pre.yaml

@@ -0,0 +1,3 @@
+- hosts: all
+  roles:
+    - multi-node-firewall