Move Kolla image tags to a separate file

This will make it easier to automate various tasks.

Author: markgoddard

etc/kayobe/kolla-image-tags.yml

@@ -0,0 +1,23 @@
+---
+# Dict of Kolla image tags to deploy for each service.
+# Each key is the tag variable prefix name, and the value is another dict,
+# where the key is the OS distro and the value is the tag to deploy.
+kolla_image_tags:
+  openstack:
+    rocky: zed-rocky-9-20230921T153510
+    ubuntu: zed-ubuntu-jammy-20230921T153510
+  bifrost:
+    rocky: zed-rocky-9-20230927T142529
+    ubuntu: zed-ubuntu-jammy-20230927T154443
+  ovn:
+    rocky: zed-rocky-9-20230925T132313
+    ubuntu: zed-ubuntu-jammy-20230821T155947
+  cloudkitty:
+    rocky: zed-rocky-9-20231114T124701
+    ubuntu: zed-ubuntu-jammy-20231114T124701
+  neutron:
+    rocky: zed-rocky-9-20231115T094053
+    ubuntu: zed-ubuntu-jammy-20231115T094053
+  opensearch:
+    rocky: zed-rocky-9-20231214T095452
+    ubuntu: zed-ubuntu-jammy-20231214T095452

etc/kayobe/kolla/globals.yml

@@ -10,25 +10,12 @@ enable_docker_repo: "{% raw %}{{ 'overcloud' not in group_names }}{% endraw %}"
 # This is necessary for os migrations where mixed clouds might be deployed
 kolla_base_distro: "{% raw %}{{ ansible_facts.distribution | lower }}{% endraw %}"
 
-kayobe_image_tags:
-  openstack:
-    rocky: zed-rocky-9-20230921T153510
-    ubuntu: zed-ubuntu-jammy-20230921T153510
-  bifrost:
-    rocky: zed-rocky-9-20230927T142529
-    ubuntu: zed-ubuntu-jammy-20230927T154443
-  ovn:
-    rocky: zed-rocky-9-20230925T132313
-    ubuntu: zed-ubuntu-jammy-20230821T155947
-  cloudkitty:
-    rocky: zed-rocky-9-20231114T124701
-    ubuntu: zed-ubuntu-jammy-20231114T124701
-  neutron:
-    rocky: zed-rocky-9-20231115T094053
-    ubuntu: zed-ubuntu-jammy-20231115T094053
-  opensearch:
-    rocky: zed-rocky-9-20231214T095452
-    ubuntu: zed-ubuntu-jammy-20231214T095452
+# Dict of Kolla image tags to deploy for each service.
+# Each key is the tag variable prefix name, and the value is another dict,
+# where the key is the OS distro and the value is the tag to deploy.
+# NOTE: This is defined in etc/kayobe/kolla-image-tags.yml.
+kolla_image_tags:
+{{ kolla_image_tags | to_nice_yaml | indent(width=4, first=true) }}
 
 openstack_tag: "{% raw %}{{ kayobe_image_tags['openstack'][kolla_base_distro] }}{% endraw %}"
 bifrost_tag: "{% raw %}{{ kayobe_image_tags['bifrost'][kolla_base_distro] }}{% endraw %}"