Create role for molecule prep

Since we need to install the collection (and possibly other actions in
the future), let's create a role that we can share across all the tests.

Change-Id: Ic0214e7c3f1b17a8932b432d6536ef9e44fa84a7

roles/test_molecule_prep/README.md

@@ -0,0 +1,44 @@
+test_molecule_prep
+==================
+
+A role to do collection install for molecule testing. The role assumes it's being
+run from a molecule path.
+
+Requirements
+------------
+
+None.
+
+Role Variables
+--------------
+
+* `test_module_prep_collections_build_root`: (String) Path a directory to output the collection build to. Default: "{{ ansible_env.HOME }}/collection-buildroot"
+* `test_module_prep_execution_root`: (String) Path to the directory where the build action should run in. Default: '../../../..'
+
+Output Variables
+----------------
+
+None.
+
+Dependencies
+------------
+
+None.
+
+Example Playbook
+----------------
+
+Example install execution playbook
+
+```yaml
+- hosts: localhost
+  tasks:
+    - name: Do molecule prep actions
+      import_role:
+        name: test_molecule_prep
+```
+
+License
+-------
+
+Apache-2.0

roles/test_molecule_prep/defaults/main.yml

@@ -0,0 +1,4 @@
+---
+# defaults file for test_molecule_prep
+test_molecule_prep_collections_build_root: "{{ ansible_env.HOME }}/collection-buildroot"
+test_molecule_prep_execution_root: "../../../.."

roles/test_molecule_prep/meta/main.yml

@@ -0,0 +1,42 @@
+---
+# Copyright 2019 Red Hat, Inc.
+# All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+
+galaxy_info:
+  author: OpenStack
+  description: TripleO Operator Role -- test_molecule_prep
+  company: Red Hat
+  license: Apache-2.0
+  min_ansible_version: 2.8
+  #
+  # Provide a list of supported platforms, and for each platform a list of versions.
+  # If you don't wish to enumerate all versions for a particular platform, use 'all'.
+  # To view available platforms and versions (or releases), visit:
+  # https://galaxy.ansible.com/api/v1/platforms/
+  #
+  platforms:
+    - name: CentOS
+      versions:
+        - 7
+        - 8
+
+  galaxy_tags:
+    - tripleo
+
+
+# List your role dependencies here, one per line. Be sure to remove the '[]' above,
+# if you add dependencies to this list.
+dependencies: []

roles/test_molecule_prep/molecule/default/molecule.yml

@@ -0,0 +1,21 @@
+---
+driver:
+  name: delegated
+  options:
+    managed: false
+    ansible_connection_options:
+      ansible_connection: local
+log: true
+lint:
+  name: yamllint
+  enabled: false
+platforms:
+  - name: instance
+provisioner:
+  name: ansible
+scenario:
+  name: default
+  test_sequence:
+    - syntax
+    - converge
+    - verify

roles/test_molecule_prep/molecule/default/playbook.yml

@@ -0,0 +1,17 @@
+---
+- name: Converge
+  hosts: all
+  tasks:
+
+    - name: "Include test_molecule_prep"
+      include_role:
+        name: "test_molecule_prep"
+
+    - name: Test known collection filter
+      set_fact:
+        test_var: "{{ 'test' | tripleo.operator.shell_arg_list(parameter='--test') }}"
+
+    - name: Assert value
+      assert:
+        that:
+          - test_var == "--test test"

roles/test_molecule_prep/tasks/main.yml

@@ -0,0 +1,12 @@
+---
+- name: Build collection
+  shell: >-
+    pwd && ansible-galaxy collection build --force --output-path {{ test_molecule_prep_collections_build_root }}
+  args:
+    chdir: "{{ test_molecule_prep_execution_root }}"
+  changed_when: true
+
+- name: Install collection
+  shell: >-
+    ansible-galaxy collection install --force {{ test_molecule_prep_collections_build_root }}/tripleo-operator*
+  changed_when: true

roles/test_molecule_prep/tests/inventory

@@ -0,0 +1 @@
+localhost

roles/test_molecule_prep/tests/test.yml

@@ -0,0 +1,4 @@
+---
+- hosts: localhost
+  roles:
+    - test_molecule_prep

zuul.d/molecule.yaml

@@ -2,6 +2,7 @@
     name: tripleo-operator-molecule-jobs
     check:
       jobs:
+      - tripleo-operator-molecule-test_molecule_prep
       - tripleo-operator-molecule-tripleo_container_image_delete
       - tripleo-operator-molecule-tripleo_container_image_list
       - tripleo-operator-molecule-tripleo_container_image_push
@@ -12,6 +13,7 @@
 
     gate:
       jobs:
+      - tripleo-operator-molecule-test_molecule_prep
       - tripleo-operator-molecule-tripleo_container_image_delete
       - tripleo-operator-molecule-tripleo_container_image_list
       - tripleo-operator-molecule-tripleo_container_image_push
@@ -20,6 +22,15 @@
       - tripleo-operator-molecule-tripleo_overcloud_failures
       - tripleo-operator-molecule-tripleo_overcloud_node_introspect
 
+- job:
+    files:
+      - ^roles/test_molecule_prep/.*
+      - ^plugins/.*
+    name: tripleo-operator-molecule-test_molecule_prep
+    parent: tripleo-operator-molecule-base
+    vars:
+      tox_extra_args: test_molecule_prep
+
 - job:
     name: tripleo-operator-molecule-base
     abstract: true