Ansible devel testing: install ansible-collections from checkout

Allow speculative testing of ansible collections in the -devel test
job by linking in the git checkouts from the dependent change.

Depends-On: https://review.opendev.org/747596
Change-Id: I014701f41fb6870360004aa64990e16e278381ed

playbooks/roles/install-ansible/tasks/install_ansible_collection.yaml

@@ -4,7 +4,8 @@
     state: directory
     mode: 0755
 
-- name: 'Clone  {{ item.namespace }}/{{ item.name }} collection'
-  git:
-    repo: '{{ item.repo }}'
+- name: 'Link in {{ item.namespace }}/{{ item.name }} collection'
+  file:
+    src: '{{ ansible_user_dir}}/src/github.com/{{repo}}'
     dest: '/root/.ansible/collections/ansible_collections/{{ item.namespace }}/{{ item.name }}'
+    state: link

playbooks/roles/install-ansible/tasks/main.yaml

@@ -46,18 +46,18 @@
   include_tasks: install_ansible_collection.yaml
   when: _install_ansible_from_devel is defined
   loop:
+    - namespace: ansible
+      name: netcommon
+      repo: ansible-collections/ansible.netcommon
     - namespace: ansible
       name: posix
-      repo: https://github.com/ansible-collections/ansible.posix
+      repo: ansible-collections/ansible.posix
     - namespace: community
       name: general
-      repo: https://github.com/ansible-collections/community.general
+      repo: ansible-collections/community.general
     - namespace: community
       name: crypto
-      repo: https://github.com/ansible-collections/community.crypto
-    - namespace: ansible
-      name: netcommon
-      repo: https://github.com/ansible-collections/ansible.netcommon
+      repo: ansible-collections/community.crypto
 
 - name: Ensure required Ansible build packages for non-wheel architectures
   apt: