Add openstack/placement as a required project for neutron-grenade*

In order to get openstack/placement installed as part of the
neutron grenade jobs, we have to list it as a required project.

Needed by https://review.openstack.org/604454/

Change-Id: I742660f398b52c62503acf00aaf7faa9a5a8650a

.zuul.yaml

@@ -206,6 +206,10 @@
       - openstack-dev/grenade
       - openstack-infra/devstack-gate
       - openstack/neutron
+      # openstack/placement is not part of legacy-dsvm-base because that is
+      # branchless and openstack/placement only has a master branch (it is
+      # new as of Stein)
+      - openstack/placement
     nodeset: ubuntu-xenial-2-node
     irrelevant-files: *tempest-irrelevant-files
 
@@ -219,6 +223,10 @@
       - openstack-dev/grenade
       - openstack-infra/devstack-gate
       - openstack/neutron
+      # openstack/placement is not part of legacy-dsvm-base because that is
+      # branchless and openstack/placement only has a master branch (it is
+      # new as of Stein)
+      - openstack/placement
     nodeset: ubuntu-xenial-2-node
     irrelevant-files: *tempest-irrelevant-files
     # NOTE(haleyb) revert this as soon as we fix bug 1791989
@@ -260,6 +268,10 @@
       - openstack-dev/grenade
       - openstack-infra/devstack-gate
       - openstack/neutron
+      # openstack/placement is not part of legacy-dsvm-base because that is
+      # branchless and openstack/placement only has a master branch (it is
+      # new as of Stein)
+      - openstack/placement
     irrelevant-files: *tempest-irrelevant-files
 
 - job:

playbooks/legacy/neutron-grenade-dvr-multinode/run.yaml

@@ -32,7 +32,9 @@
           export DEVSTACK_GATE_CONFIGDRIVE=0
           export DEVSTACK_GATE_GRENADE=pullup
           # Test DVR upgrade on multinode
-          export PROJECTS="openstack-dev/grenade $PROJECTS"
+          # Grenade needs to clone the placement repo on the Stein side since
+          # the repo did not exist in Rocky.
+          export PROJECTS="openstack-dev/grenade openstack/placement $PROJECTS"
           export DEVSTACK_GATE_NEUTRON_DVR=1
           export BRANCH_OVERRIDE=default
           if [ "$BRANCH_OVERRIDE" != "default" ] ; then

playbooks/legacy/neutron-grenade-multinode/run.yaml

@@ -31,7 +31,9 @@
           export DEVSTACK_GATE_NEUTRON=1
           export DEVSTACK_GATE_CONFIGDRIVE=0
           export DEVSTACK_GATE_GRENADE=pullup
-          export PROJECTS="openstack-dev/grenade $PROJECTS"
+          # Grenade needs to clone the placement repo on the Stein side since
+          # the repo did not exist in Rocky.
+          export PROJECTS="openstack-dev/grenade openstack/placement $PROJECTS"
           # Default to non DVR
           export DEVSTACK_GATE_NEUTRON_DVR=0
           export BRANCH_OVERRIDE=default

playbooks/legacy/neutron-grenade/run.yaml

@@ -41,7 +41,9 @@
         cmd: |
           set -e
           set -x
-          export PROJECTS="openstack-dev/grenade $PROJECTS"
+          # Grenade needs to clone the placement repo on the Stein side since
+          # the repo did not exist in Rocky.
+          export PROJECTS="openstack-dev/grenade openstack/placement $PROJECTS"
           export PYTHONUNBUFFERED=true
           export DEVSTACK_GATE_TEMPEST=1
           export DEVSTACK_GATE_GRENADE=pullup