[install_yamls] Add install_yamls pull repo capability

We're adding new variables: cifmw_install_yamls_src and cifmw_install_yamls_version
This repo is cloned from zuul builting tools, now we can clone this when deploying
outside zuul.

Signed-off-by: Enrique Vallespi Gil <evallesp@redhat.com>

Author: evallesp

roles/install_yamls/README.md

@@ -6,6 +6,8 @@ It contains a set of playbooks to deploy podified control plane.
 
 ## Parameters
 
+* `cifmw_installyamls_repo_url`: (String) Url of the install_yamls repo. Defaults to `https://github.com/openstack-k8s-operators/install_yamls`.
+* `cifmw_install_yamls_version`: (String) Version of the repo to be cloned. Defaults to `HEAD`.
 * `cifmw_install_yamls_envfile`: (String) Environment file containing all the Makefile overrides. Defaults to `install_yamls`.
 * `cifmw_install_yamls_out_dir`: (String) `install_yamls` output directory to store generated output. Defaults to `{{ cifmw_basedir | default(ansible_user_dir ~ '/ci-framework-data') }}/artifacts"`.
 * `cifmw_install_yamls_vars`: (Dict) A dict containing Makefile overrides.

roles/install_yamls/defaults/main.yml

@@ -28,6 +28,8 @@ cifmw_install_yamls_edpm_dir: "{{ cifmw_manifests | default(cifmw_install_yamls_
 #   NAMESPACE: openstack
 #   METALLB_POOL would be removed once https://github.com/openstack-k8s-operators/install_yamls/pull/356 merges.
 cifmw_install_yamls_repo: "{{ cifmw_installyamls_repos | default(ansible_user_dir ~ '/src/github.com/openstack-k8s-operators/install_yamls') }}"
+cifmw_installyamls_repo_url: "https://github.com/openstack-k8s-operators/install_yamls"
+cifmw_install_yamls_version: "{{ cifmw_install_yamls_version_pin | default('HEAD') }}"
 cifmw_install_yamls_tasks_out: "{{ cifmw_install_yamls_out_dir }}/roles/install_yamls_makes/tasks"
 cifmw_install_yamls_whitelisted_vars:
   - DEPLOY_DIR

roles/install_yamls/tasks/main.yml

@@ -26,6 +26,15 @@
     - "{{ cifmw_install_yamls_tasks_out }}"
     - "{{ cifmw_basedir }}/artifacts/parameters"
 
+- name: Ensure install_yamls repo is present at the desired version
+  tags:
+    - bootstrap
+  ansible.builtin.git:
+    repo: "{{ cifmw_installyamls_repo_url }}"
+    dest: "{{ cifmw_install_yamls_repo }}"
+    version: "{{ cifmw_install_yamls_version }}"
+    update: false
+
 - name: Create variables with local repos based on Zuul items
   tags:
     - bootstrap