add experimental molecule support

README.md

@@ -71,6 +71,34 @@ $ deactivate
 
 [Vagrant](https://www.vagrantup.com/) is our preferred Development/Testing framework.
 
+### Experimental molecule support
+
+```
+# clone this repo
+$ git clone [email protected]:ibm/cuttle.git
+
+# install pip, hopefully your system has it already
+# install virtualenv
+$ pip install virtualenv
+
+# create a new virtualenv so python is happy
+$ virtualenv --system-site-packages --no-wheel ~/<username>/venv
+
+# activate your new venv like normal
+$ source ~/<username>/venv/bin/activate
+
+# install ursula-cli, the correct version of ansible, and all other deps
+$ cd cuttle
+$ pip install -r requirements-molecule.txt
+
+# run molecule to deploy dev env for mirror
+$ molecule converge --scenario-name mirror
+
+# cleanup
+$ molecule destroy --scenario-name mirror
+$ deactivate
+```
+
 ### Example Usage
 
 ursula-cli understands how to interact with vagrant using the `--provisioner` flag:

molecule/mirror/INSTALL.rst

@@ -0,0 +1,47 @@
+*******
+Install
+*******
+
+This set of playbooks have specific dependencies on Ansible due to the modules
+being used.
+
+Requirements
+============
+
+* Ansible 2.2
+* Vagrant
+* Virtualbox, Parallels, VMware Fusion, VMware Workstation or VMware Desktop
+* python-vagrant
+
+Install OS dependencies on CentOS 7
+
+.. code-block:: bash
+
+  $ sudo yum install -y epel-release
+  $ sudo yum install -y gcc python-pip python-devel openssl-devel
+  # If installing Molecule from source.
+  $ sudo yum install libffi-devel git
+
+Install OS dependencies on Ubuntu 16.x
+
+.. code-block:: bash
+
+  $ sudo apt-get update
+  $ sudo apt-get install -y python-pip libssl-dev vagrant virtualbox
+  # If installing Molecule from source.
+  $ sudo apt-get install -y libffi-dev git
+
+Install OS dependencies on Mac OS
+
+.. code-block:: bash
+
+  $ brew install python
+  $ brew install git
+
+Install using pip:
+
+.. code-block:: bash
+
+  $ sudo pip install ansible
+  $ sudo pip install python-vagrant
+  $ sudo pip install molecule --pre

molecule/mirror/create.yml

@@ -0,0 +1,53 @@
+---
+- hosts: localhost
+  connection: local
+  vars:
+    molecule_file: "{{ lookup('env','MOLECULE_FILE') }}"
+    molecule_instance_config: "{{ lookup('env','MOLECULE_INSTANCE_CONFIG') }}"
+    molecule_yml: "{{ lookup('file', molecule_file) | from_yaml }}"
+  tasks:
+    - name: Create molecule instance(s)
+      molecule_vagrant:
+        instance_name: "{{ molecule_file | molecule_instance_with_scenario_name(item.name) }}"
+        provider_memory: 1024
+        provider_cpus: 1
+        instance_interfaces:
+          - auto_config: true
+            ip: 172.16.0.115
+            network_name: private_network
+            type: static
+          - auto_config: true
+            ip: 172.16.1.115
+            network_name: private_network
+            type: static
+        platform_box: "{{ item.box }}"
+        state: up
+      register: server
+      with_items: "{{ molecule_yml.platforms }}"
+
+    # Mandatory configuration for Molecule to function.
+
+    - name: Populate instance config dict
+      set_fact:
+        instance_conf_dict: {
+          'instance': "{{ item.Host }}",
+          'address': "{{ item.HostName }}",
+          'user': "{{ item.User }}",
+          'port': "{{ item.Port }}",
+          'identity_file': "{{ item.IdentityFile }}", }
+      with_items: "{{ server.results }}"
+      register: instance_config_dict
+      when: server.changed | bool
+
+    - name: Convert instance config dict to a list
+      set_fact:
+        instance_conf: "{{ instance_config_dict.results | map(attribute='ansible_facts.instance_conf_dict') | list }}"
+      when: server.changed | bool
+
+    - name: Dump instance config
+      copy:
+        # NOTE(retr0h): Workaround for Ansible 2.2.
+        #               https://github.com/ansible/ansible/issues/20885
+        content: "{{ instance_conf | to_json | from_json | molecule_to_yaml | molecule_header }}"
+        dest: "{{ molecule_instance_config }}"
+      when: server.changed | bool

molecule/mirror/destroy.yml

@@ -0,0 +1,30 @@
+---
+
+- hosts: localhost
+  connection: local
+  vars:
+    molecule_file: "{{ lookup('env','MOLECULE_FILE') }}"
+    molecule_instance_config: "{{ lookup('env','MOLECULE_INSTANCE_CONFIG') }}"
+    molecule_yml: "{{ lookup('file', molecule_file) | from_yaml }}"
+  tasks:
+    - name: Destroy molecule instance(s)
+      molecule_vagrant:
+        instance_name: "{{ molecule_file | molecule_instance_with_scenario_name(item.name) }}"
+        platform_box: "{{ item.box }}"
+        state: destroy
+      register: server
+      with_items: "{{ molecule_yml.platforms }}"
+
+    # Mandatory configuration for Molecule to function.
+
+    - name: Populate instance config
+      set_fact:
+        instance_conf: {}
+
+    - name: Dump instance config
+      copy:
+        # NOTE(retr0h): Workaround for Ansible 2.2.
+        #               https://github.com/ansible/ansible/issues/20885
+        content: "{{ instance_conf | to_json | from_json | molecule_to_yaml | molecule_header }}"
+        dest: "{{ molecule_instance_config }}"
+      when: server.changed | bool

molecule/mirror/molecule.yml

@@ -0,0 +1,42 @@
+---
+dependency:
+  name: galaxy
+driver:
+  name: vagrant
+lint:
+  name: yamllint
+platforms:
+  - name: mirror01
+    box: bento/ubuntu-14.04
+    groups:
+      - mirror
+provisioner:
+  name: ansible
+  options:
+    extra-vars: "@../../envs/example/vagrant.yml"
+  config_options:
+    defaults:
+      hash_behaviour: merge
+      vars_plugins: ../../plugins/vars
+      connection_plugins: ../../plugins/connection
+      callback_plugins: ../../plugins/callbacks
+      filter_plugins: ../../plugins/filters
+      var_defaults_file: ../../envs/example/defaults.yml
+  connection_options:
+    ansible_become: true
+  lint:
+    name: ansible-lint
+  playbooks:
+    setup: create.yml
+    converge: ../../site.yml
+    teardown: destroy.yml
+  inventory:
+    links:
+      group_vars: ../../../envs/example/mirror/group_vars/
+      #host_vars: ../host_vars/
+scenario:
+  name: default
+verifier:
+  name: testinfra
+  lint:
+    name: flake8

molecule/mirror/playbook.yml

@@ -0,0 +1,12 @@
+---
+- hosts: all
+  gather_facts: no
+  tasks:
+    - name: Install python for Ansible
+      raw: test -e /usr/bin/python || (apt -y update && apt install -y python-minimal)
+      become: yes
+      changed_when: False
+
+- hosts: all
+  roles:
+    - role: bar

molecule/mirror/tests/test_default.py

@@ -0,0 +1,14 @@
+import os
+
+import testinfra.utils.ansible_runner
+
+testinfra_hosts = testinfra.utils.ansible_runner.AnsibleRunner(
+    os.environ['MOLECULE_INVENTORY_FILE']).get_hosts('all')
+
+
+def test_hosts_file(host):
+    f = host.file('/etc/hosts')
+
+    assert f.exists
+    assert f.user == 'root'
+    assert f.group == 'root'

requirements-molecule.txt

@@ -0,0 +1,8 @@
+#urllib3>=1.19.1
+#six>=1.10.0
+#jinja2==2.8.1
+ansible>=2.3,<2.4
+#python-heatclient
+python-vagrant
+#requests[security]
+molecule