add job for testing that hooks work

this is a simple job that just tests all the hook points. It
should be fast. This is one of the places where we don't test
as part of a normal d-g job, so we should ensure we don't break it.

Change-Id: Ieea3ffd285f3f489df477413018b173b1e54e609

modules/openstack_project/files/jenkins_job_builder/config/devstack-gate.yaml

@@ -51,6 +51,46 @@
       - devstack-logs
       - console-log
 
+- job-template:
+    name: 'check-dg-hooks-dsvm'
+    node: '{node}'
+
+    wrappers:
+      - timeout:
+          timeout: 60
+          fail: true
+      - timestamps
+
+    builders:
+      - devstack-checkout
+      - shell: |
+          #!/bin/bash -xe
+          export PYTHONUNBUFFERED=true
+
+          # place calls for all hooks in here
+          function pre_test_hook {{
+              echo "I'm totally an awesome pre_test_hook"
+          }}
+          export -f pre_test_hook
+
+          function gate_hook {{
+              echo "I'm totally an awesome gate_hook"
+          }}
+          export -f gate_hook
+
+          function post_test_hook {{
+              echo "I'm totally an awesome post_test_hook"
+          }}
+          export -f post_test_hook
+
+          cp devstack-gate/devstack-vm-gate-wrap.sh ./safe-devstack-vm-gate-wrap.sh
+          ./safe-devstack-vm-gate-wrap.sh
+      - link-logs
+
+    publishers:
+      - devstack-logs
+      - console-log
+
 - job-template:
     name: '{pipeline}-tempest-dsvm-full{branch-designator}'
     node: '{node}'
@@ -1099,6 +1139,7 @@
     jobs:
       - 'check-dg-tempest-dsvm-full'
       - 'check-dg-tempest-dsvm-full-reexec'
+      - 'check-dg-hooks-dsvm'
 
 
 - job-group:

modules/openstack_project/files/zuul/layout.yaml

@@ -2728,6 +2728,7 @@ projects:
       - check-devstack-dsvm-cells
       - check-dg-tempest-dsvm-full
       - check-dg-tempest-dsvm-full-reexec
+      - check-dg-hooks-dsvm
       - check-tempest-dsvm-full
       - check-tempest-dsvm-postgres-full
       - check-tempest-dsvm-neutron