zuul: native Zuul v3 version of the grenade job

Also fix the name according the guidelines.
This job should really live inside neutron-lib.

Change-Id: I76043ea43efe1c78ba9637876ed6a8b997b6d0ee

.zuul.yaml

@@ -16,7 +16,7 @@
         - neutronclient-functional
     experimental:
       jobs:
-        - neutron-lib-grenade-dsvm:
+        - neutronclient-grenade-neutron-lib:
             irrelevant-files:
               - ^(test-|)requirements.txt$
               - ^setup.cfg$
@@ -45,15 +45,19 @@
         neutron-vpnaas: https://opendev.org/openstack/neutron-vpnaas
 
 - job:
-    name: neutron-lib-grenade-dsvm
-    # Old name: legacy-grenade-dsvm-neutron-libs
-    parent: legacy-dsvm-base
-    run: playbooks/legacy/grenade-dsvm-neutron-libs/run.yaml
-    post-run: playbooks/legacy/grenade-dsvm-neutron-libs/post.yaml
-    timeout: 10800
+    name: neutronclient-grenade-neutron-lib
+    parent: grenade
+    description: |
+      neutron-lib grenade job.
+      The version of this job on the current branch is py3 based,
+      while any branch before ussuri needs to use the py2 version,
+      which is defined in openstack-zuul-jobs with the old name
+      (legacy-grenade-dsvm-neutron-libs).
+      Users of this job needs to pay attention of the version used.
+      Former names for this job were:
+        * legacy-grenade-dsvm-neutron-libs
+        * neutron-lib-grenade-dsvm
     required-projects:
-      - openstack/grenade
-      - openstack/devstack-gate
       - openstack/keystoneauth
       - openstack/neutron
       - openstack/neutron-lib
@@ -64,8 +68,3 @@
       - openstack/python-keystoneclient
       - openstack/python-neutronclient
       - openstack/python-novaclient
-    # This is py3 version for ussuri onwards rest all branch needs to be py2
-    # version which is present in openstack-zuul-jobs.
-    # We need to take care of this branch variant and python version while
-    # migrating these jobs to zuulv3.
-    branches: ^(?!(stable/(ocata|pike|queens|rocky|stein|train))).*$

playbooks/legacy/grenade-dsvm-neutron-libs/post.yaml

@@ -1,15 +0,0 @@
-- hosts: primary
-  tasks:
-
-    - name: Copy files from {{ ansible_user_dir }}/workspace/ on node
-      synchronize:
-        src: '{{ ansible_user_dir }}/workspace/'
-        dest: '{{ zuul.executor.log_root }}'
-        mode: pull
-        copy_links: true
-        verify_host: true
-        rsync_opts:
-          - --include=/logs/**
-          - --include=*/
-          - --exclude=*
-          - --prune-empty-dirs

playbooks/legacy/grenade-dsvm-neutron-libs/run.yaml

@@ -1,52 +0,0 @@
-- hosts: all
-  name: Autoconverted job legacy-grenade-dsvm-neutron-libs from old job gate-grenade-dsvm-neutron-libs-ubuntu-xenial-nv
-  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/devstack-gate
-              dest: devstack-gate
-          EOF
-          /usr/zuul-env/bin/zuul-cloner -m clonemap.yaml --cache-dir /opt/git \
-              https://opendev.org \
-              openstack/devstack-gate
-        executable: /bin/bash
-        chdir: '{{ ansible_user_dir }}/workspace'
-      environment: '{{ zuul | zuul_legacy_vars }}'
-
-    - shell:
-        cmd: |
-          set -e
-          set -x
-          export PROJECTS="openstack/grenade $PROJECTS"
-          export DEVSTACK_PROJECT_FROM_GIT="os-client-config"
-          export DEVSTACK_PROJECT_FROM_GIT+=",keystoneauth"
-          export DEVSTACK_PROJECT_FROM_GIT+=",python-novaclient"
-          export DEVSTACK_PROJECT_FROM_GIT+=",python-keystoneclient"
-          export DEVSTACK_PROJECT_FROM_GIT+=",python-glanceclient"
-          export DEVSTACK_PROJECT_FROM_GIT+=",python-cinderclient"
-          export DEVSTACK_PROJECT_FROM_GIT+=",python-neutronclient"
-          export DEVSTACK_PROJECT_FROM_GIT+=",python-ironicclient"
-          export PYTHONUNBUFFERED=true
-          export DEVSTACK_GATE_TEMPEST=1
-          export DEVSTACK_GATE_GRENADE=pullup
-          export DEVSTACK_GATE_USE_PYTHON3=True
-          export DEVSTACK_GATE_NEUTRON=1
-          export BRANCH_OVERRIDE=default
-          if [ "$BRANCH_OVERRIDE" != "default" ] ; then
-              export OVERRIDE_ZUUL_BRANCH=$BRANCH_OVERRIDE
-          fi
-          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 }}'