Add cirros/cirros project

Since the Travis CI is no longer useable, we want to build new jobs for
CirrOS on the OpenDev platform. Since at a later stage some testing
involving a Devstack deployment may be helpful, this is placed into the
openstack tenant.

Change-Id: I188ad6803015b880f8f952052012fa1c3c8b52fc

gerrit/acls/cirros/cirros.config

@@ -0,0 +1,14 @@
+[access "refs/heads/*"]
+abandon = group cirros-core
+create = group cirros-core
+label-Code-Review = -2..+2 group cirros-core
+label-Workflow = -1..+1 group cirros-core
+
+[access "refs/tags/*"]
+createSignedTag = group cirros-core
+
+[receive]
+requireChangeId = true
+
+[submit]
+mergeContent = true

gerrit/projects.yaml

@@ -141,6 +141,10 @@
     - airship
 - project: airship/zuul-airship-roles
   description: Reusable Ansible roles for use in Airship Zuul jobs
+- project: cirros/cirros
+  description: Provides linux disk and kernel/initramfs images.
+  upstream: https://github.com/osfrickler/cirros.git
+  default-branch: main
 - project: inaugust/inaugust.com
   description: inaugust.com website
   use-storyboard: true

zuul/main.yaml

@@ -148,6 +148,7 @@
           - airship/treasuremap
           - airship/vino
           - airship/zuul-airship-roles
+          - cirros/cirros
           - jjb/jenkins-job-builder
           - jjb/python-jenkins
           - limestone/ci-cloud-config