add molecule testing

.drone.jsonnet

@@ -0,0 +1,109 @@
+local AnsibleVersions(version="latest", package="ansible") = {
+    name: "ansible-" + version,
+    image: "python:3.7",
+    pull: "always",
+    environment: {
+      PY_COLORS: 1
+    },
+    commands: [
+      "pip install " + package + " ansible-later~=0.2.0 -qq",
+      "git clone https://gitea.rknet.org/ansible/ansible-later-policy.git ~/policy",
+      "ansible-later -c ~/policy/config.yml"
+    ],
+    depends_on: [
+      "clone",
+    ],
+};
+
+local PipelineLinting = {
+  kind: "pipeline",
+  name: "linting",
+  platform: {
+    os: "linux",
+    arch: "amd64",
+  },
+  steps: [
+    AnsibleVersions(version="latest", package="ansible"),
+    AnsibleVersions(version="master", package="git+https://github.com/ansible/ansible.git@devel"),
+  ],
+  trigger: {
+    ref: ["refs/heads/master", "refs/tags/**", "refs/pull/**"],
+  },
+};
+
+local PipelineDeployment = {
+  kind: "pipeline",
+  name: "deployment",
+  platform: {
+    os: "linux",
+    arch: "amd64",
+  },
+  workspace: {
+    base: "/drone/src",
+    path: "xoxys.iptables"
+  },
+  steps: [
+    {
+      name: "molecule",
+      image: "xoxys/molecule:ec2-linux-amd64",
+      pull: "always",
+      environment: {
+        ANSIBLE_ROLES_PATH: "/drone/src",
+        AWS_ACCESS_KEY_ID: { "from_secret": "aws_access_key_id" },
+        AWS_SECRET_ACCESS_KEY: { "from_secret": "aws_secret_access_key" },
+        AWS_REGION: "eu-central-1",
+        MOLECULE_CUSTOM_MODULES_REPO: "https://gitea.rknet.org/ansible/custom_modules",
+        MOLECULE_CUSTOM_FILTERS_REPO: "https://gitea.rknet.org/ansible/custom_filters",
+        PY_COLORS: 1
+      },
+      commands: [
+        "/bin/bash /docker-entrypoint.sh",
+        "molecule test --scenario-name ec2-centos-7",
+      ],
+    },
+  ],
+  depends_on: [
+    "linting",
+  ],
+  trigger: {
+    ref: ["refs/heads/master", "refs/tags/**"],
+  },
+};
+
+local PipelineNotifications = {
+  kind: "pipeline",
+  name: "notifications",
+  platform: {
+    os: "linux",
+    arch: "amd64",
+  },
+  clone: {
+    disable: true,
+  },
+  steps: [
+    {
+      name: "matrix",
+      image: "plugins/matrix",
+      settings: {
+        homeserver: "https://matrix.rknet.org",
+        roomid: "MtidqQXWWAtQcByBhH:rknet.org",
+        template: "Status: **{{ build.status }}**<br/> Build: [{{ repo.Owner }}/{{ repo.Name }}]({{ build.link }}) ({{ build.branch }}) by {{ build.author }}<br/> Message: {{ build.message }}",
+        username: { "from_secret": "matrix_username" },
+        password: { "from_secret": "matrix_password" },
+      },
+    },
+  ],
+  depends_on: [
+    "deployment",
+  ],
+  trigger: {
+    status: [ "success", "failure" ],
+    ref: ["refs/heads/master", "refs/tags/**"],
+  },
+};
+
+[
+  PipelineLinting,
+  PipelineDeployment,
+  PipelineNotifications,
+]

.drone.yml

@@ -1,22 +1,116 @@
 ---
 kind: pipeline
-name: default
+name: linting
+
+platform:
+  os: linux
+  arch: amd64
 
 steps:
 - name: ansible-latest
-    image: python:2.7
   pull: always
+  image: python:3.7
   commands:
-      - pip install ansible ansible-later -q
+  - pip install ansible ansible-later~=0.2.0 -qq
   - git clone https://gitea.rknet.org/ansible/ansible-later-policy.git ~/policy
-      - git ls-files *[^LICENSE,.md] | xargs ansible-later -c ~/policy/config.ini
+  - ansible-later -c ~/policy/config.yml
-    depends_on: [ clone ]
+  environment:
+    PY_COLORS: 1
+  depends_on:
+  - clone
 
 - name: ansible-master
-    image: python:2.7
   pull: always
+  image: python:3.7
   commands:
-      - pip install ansible ansible-later -q
+  - "pip install git+https://github.com/ansible/ansible.git@devel ansible-later~=0.2.0 -qq"
   - git clone https://gitea.rknet.org/ansible/ansible-later-policy.git ~/policy
-      - git ls-files *[^LICENSE,.md] | xargs ansible-later -c ~/policy/config.ini
+  - ansible-later -c ~/policy/config.yml
-    depends_on: [ clone ]
+  environment:
+    PY_COLORS: 1
+  depends_on:
+  - clone
+
+trigger:
+  ref:
+  - refs/heads/master
+  - "refs/tags/**"
+  - "refs/pull/**"
+
+---
+kind: pipeline
+name: deployment
+
+platform:
+  os: linux
+  arch: amd64
+
+workspace:
+  base: /drone/src
+  path: xoxys.iptables
+
+steps:
+- name: molecule
+  pull: always
+  image: xoxys/molecule:ec2-linux-amd64
+  commands:
+  - /bin/bash /docker-entrypoint.sh
+  - molecule test --scenario-name ec2-centos-7
+  environment:
+    ANSIBLE_ROLES_PATH: /drone/src
+    AWS_ACCESS_KEY_ID:
+      from_secret: aws_access_key_id
+    AWS_REGION: eu-central-1
+    AWS_SECRET_ACCESS_KEY:
+      from_secret: aws_secret_access_key
+    MOLECULE_CUSTOM_FILTERS_REPO: https://gitea.rknet.org/ansible/custom_filters
+    MOLECULE_CUSTOM_MODULES_REPO: https://gitea.rknet.org/ansible/custom_modules
+    PY_COLORS: 1
+
+trigger:
+  ref:
+  - refs/heads/master
+  - "refs/tags/**"
+
+depends_on:
+- linting
+
+---
+kind: pipeline
+name: notifications
+
+platform:
+  os: linux
+  arch: amd64
+
+clone:
+  disable: true
+
+steps:
+- name: matrix
+  image: plugins/matrix
+  settings:
+    homeserver: https://matrix.rknet.org
+    password:
+      from_secret: matrix_password
+    roomid: MtidqQXWWAtQcByBhH:rknet.org
+    template: "Status: **{{ build.status }}**<br/> Build: [{{ repo.Owner }}/{{ repo.Name }}]({{ build.link }}) ({{ build.branch }}) by {{ build.author }}<br/> Message: {{ build.message }}"
+    username:
+      from_secret: matrix_username
+
+trigger:
+  ref:
+  - refs/heads/master
+  - "refs/tags/**"
+  status:
+  - success
+  - failure
+
+depends_on:
+- deployment
+
+---
+kind: signature
+hmac: e757be9a5a8f68bb72cd6b38fad5d601a344e7ec4e08b92d64de87349e51a9a9
+
+...

molecule/default/INSTALL.rst

@@ -0,0 +1,22 @@
+*******
+Amazon Web Services driver installation guide
+*******
+
+Requirements
+============
+
+* An AWS credentials rc file
+
+Install
+=======
+
+Please refer to the `Virtual environment`_ documentation for installation best
+practices. If not using a virtual environment, please consider passing the
+widely recommended `'--user' flag`_ when invoking ``pip``.
+
+.. _Virtual environment: https://virtualenv.pypa.io/en/latest/
+.. _'--user' flag: https://packaging.python.org/tutorials/installing-packages/#installing-to-the-user-site
+
+.. code-block:: bash
+
+    $ pip install 'molecule[ec2]'

molecule/default/create.yml

@@ -0,0 +1,125 @@
+---
+- name: Create
+  hosts: localhost
+  connection: local
+  gather_facts: false
+  no_log: "{{ not (lookup('env', 'MOLECULE_DEBUG') | bool or molecule_yml.provisioner.log|default(false) | bool) }}"
+  vars:
+    ssh_user: ubuntu
+    ssh_port: 22
+
+    security_group_name: molecule
+    security_group_description: Security group for testing Molecule
+    security_group_rules:
+      - proto: tcp
+        from_port: "{{ ssh_port }}"
+        to_port: "{{ ssh_port }}"
+        cidr_ip: '0.0.0.0/0'
+      - proto: icmp
+        from_port: 8
+        to_port: -1
+        cidr_ip: '0.0.0.0/0'
+    security_group_rules_egress:
+      - proto: -1
+        from_port: 0
+        to_port: 0
+        cidr_ip: '0.0.0.0/0'
+
+    keypair_name: molecule_key
+    keypair_path: "{{ lookup('env', 'MOLECULE_EPHEMERAL_DIRECTORY') }}/ssh_key"
+  tasks:
+    - name: Create security group
+      ec2_group:
+        name: "{{ security_group_name }}"
+        description: "{{ security_group_name }}"
+        rules: "{{ security_group_rules }}"
+        rules_egress: "{{ security_group_rules_egress }}"
+
+    - name: Test for presence of local keypair
+      stat:
+        path: "{{ keypair_path }}"
+      register: keypair_local
+
+    - name: Delete remote keypair
+      ec2_key:
+        name: "{{ keypair_name }}"
+        state: absent
+      when: not keypair_local.stat.exists
+
+    - name: Create keypair
+      ec2_key:
+        name: "{{ keypair_name }}"
+      register: keypair
+
+    - name: Persist the keypair
+      copy:
+        dest: "{{ keypair_path }}"
+        content: "{{ keypair.key.private_key }}"
+        mode: 0600
+      when: keypair.changed
+
+    - name: Create molecule instance(s)
+      ec2:
+        key_name: "{{ keypair_name }}"
+        image: "{{ item.image }}"
+        instance_type: "{{ item.instance_type }}"
+        vpc_subnet_id: "{{ item.vpc_subnet_id }}"
+        group: "{{ security_group_name }}"
+        instance_tags:
+          instance: "{{ item.name }}"
+        wait: true
+        assign_public_ip: true
+        exact_count: 1
+        count_tag:
+          instance: "{{ item.name }}"
+      register: server
+      with_items: "{{ molecule_yml.platforms }}"
+      async: 7200
+      poll: 0
+
+    - name: Wait for instance(s) creation to complete
+      async_status:
+        jid: "{{ item.ansible_job_id }}"
+      register: ec2_jobs
+      until: ec2_jobs.finished
+      retries: 300
+      with_items: "{{ server.results }}"
+
+    # Mandatory configuration for Molecule to function.
+
+    - name: Populate instance config dict
+      set_fact:
+        instance_conf_dict: {
+          'instance': "{{ item.instances[0].tags.instance }}",
+          'address': "{{ item.instances[0].public_ip }}",
+          'user': "{{ ssh_user }}",
+          'port': "{{ ssh_port }}",
+          'identity_file': "{{ keypair_path }}",
+          'instance_ids': "{{ item.instance_ids }}", }
+      with_items: "{{ ec2_jobs.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:
+        content: "{{ instance_conf | to_json | from_json | molecule_to_yaml | molecule_header }}"
+        dest: "{{ molecule_instance_config }}"
+      when: server.changed | bool
+
+    - name: Wait for SSH
+      wait_for:
+        port: "{{ ssh_port }}"
+        host: "{{ item.address }}"
+        search_regex: SSH
+        delay: 10
+        timeout: 320
+      with_items: "{{ lookup('file', molecule_instance_config) | molecule_from_yaml }}"
+
+    - name: Wait for boot process to finish
+      pause:
+        minutes: 2

molecule/default/destroy.yml

@@ -0,0 +1,47 @@
+---
+- name: Destroy
+  hosts: localhost
+  connection: local
+  gather_facts: false
+  no_log: "{{ not (lookup('env', 'MOLECULE_DEBUG') | bool or molecule_yml.provisioner.log|default(false) | bool) }}"
+  tasks:
+    - block:
+        - name: Populate instance config
+          set_fact:
+            instance_conf: "{{ lookup('file', molecule_instance_config) | molecule_from_yaml }}"
+            skip_instances: false
+      rescue:
+        - name: Populate instance config when file missing
+          set_fact:
+            instance_conf: {}
+            skip_instances: true
+
+    - name: Destroy molecule instance(s)
+      ec2:
+        state: absent
+        instance_ids: "{{ item.instance_ids }}"
+      register: server
+      with_items: "{{ instance_conf }}"
+      when: not skip_instances
+      async: 7200
+      poll: 0
+
+    - name: Wait for instance(s) deletion to complete
+      async_status:
+        jid: "{{ item.ansible_job_id }}"
+      register: ec2_jobs
+      until: ec2_jobs.finished
+      retries: 300
+      with_items: "{{ server.results }}"
+
+    # Mandatory configuration for Molecule to function.
+
+    - name: Populate instance config
+      set_fact:
+        instance_conf: {}
+
+    - name: Dump instance config
+      copy:
+        content: "{{ instance_conf | to_json | from_json | molecule_to_yaml | molecule_header }}"
+        dest: "{{ molecule_instance_config }}"
+      when: server.changed | bool

molecule/default/molecule.yml

@@ -0,0 +1,20 @@
+---
+dependency:
+  name: galaxy
+driver:
+  name: ec2
+lint:
+  name: yamllint
+platforms:
+  - name: instance
+    image: ami-a5b196c0
+    instance_type: t2.micro
+    vpc_subnet_id: subnet-6456fd1f
+provisioner:
+  name: ansible
+  lint:
+    name: ansible-lint
+verifier:
+  name: testinfra
+  lint:
+    name: flake8

molecule/default/playbook.yml

@@ -0,0 +1,5 @@
+---
+- name: Converge
+  hosts: all
+  roles:
+    - role: xoxys.iptables

molecule/default/prepare.yml

@@ -0,0 +1,9 @@
+---
+- name: Prepare
+  hosts: all
+  gather_facts: false
+  tasks:
+    - name: Install python for Ansible
+      raw: test -e /usr/bin/python || (apt -y update && apt install -y python-minimal python-zipstream)
+      become: true
+      changed_when: false

molecule/default/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'

molecule/ec2-centos-7/INSTALL.rst

@@ -0,0 +1,22 @@
+*******
+Amazon Web Services driver installation guide
+*******
+
+Requirements
+============
+
+* An AWS credentials rc file
+
+Install
+=======
+
+Please refer to the `Virtual environment`_ documentation for installation best
+practices. If not using a virtual environment, please consider passing the
+widely recommended `'--user' flag`_ when invoking ``pip``.
+
+.. _Virtual environment: https://virtualenv.pypa.io/en/latest/
+.. _'--user' flag: https://packaging.python.org/tutorials/installing-packages/#installing-to-the-user-site
+
+.. code-block:: bash
+
+    $ pip install 'molecule[ec2]'

molecule/ec2-centos-7/create.yml

@@ -0,0 +1,124 @@
+---
+- name: Create
+  hosts: localhost
+  connection: local
+  gather_facts: false
+  no_log: "{{ not (lookup('env', 'MOLECULE_DEBUG') | bool or molecule_yml.provisioner.log|default(false) | bool) }}"
+  vars:
+    ssh_user: centos
+    ssh_port: 22
+
+    security_group_name: molecule
+    security_group_description: Security group for testing Molecule
+    security_group_rules:
+      - proto: tcp
+        from_port: "{{ ssh_port }}"
+        to_port: "{{ ssh_port }}"
+        cidr_ip: '0.0.0.0/0'
+      - proto: icmp
+        from_port: 8
+        to_port: -1
+        cidr_ip: '0.0.0.0/0'
+    security_group_rules_egress:
+      - proto: -1
+        from_port: 0
+        to_port: 0
+        cidr_ip: '0.0.0.0/0'
+
+    keypair_name: molecule_key_iptables
+    keypair_path: "{{ lookup('env', 'MOLECULE_EPHEMERAL_DIRECTORY') }}/ssh_key"
+  tasks:
+    - name: Create security group
+      ec2_group:
+        name: "{{ security_group_name }}"
+        description: "{{ security_group_name }}"
+        rules: "{{ security_group_rules }}"
+        rules_egress: "{{ security_group_rules_egress }}"
+
+    - name: Delete remote keypair
+      ec2_key:
+        name: "{{ keypair_name }}"
+        state: absent
+
+    - name: Create keypair
+      ec2_key:
+        name: "{{ keypair_name }}"
+      register: keypair
+
+    - name: Persist the keypair
+      copy:
+        dest: "{{ keypair_path }}"
+        content: "{{ keypair.key.private_key }}"
+        mode: 0600
+      when: keypair.changed
+
+    - name: Create molecule instance(s)
+      ec2:
+        key_name: "{{ keypair_name }}"
+        image: "{{ item.image }}"
+        instance_type: "{{ item.instance_type }}"
+        vpc_subnet_id: "{{ item.vpc_subnet_id }}"
+        group: "{{ security_group_name }}"
+        instance_tags:
+          instance: "{{ item.name }}"
+        wait: true
+        assign_public_ip: true
+        exact_count: 1
+        count_tag:
+          instance: "{{ item.name }}"
+        volumes:
+          - device_name: /dev/sda1
+            volume_type: gp2
+            volume_size: 8
+            delete_on_termination: yes
+      register: server
+      with_items: "{{ molecule_yml.platforms }}"
+      async: 7200
+      poll: 0
+
+    - name: Wait for instance(s) creation to complete
+      async_status:
+        jid: "{{ item.ansible_job_id }}"
+      register: ec2_jobs
+      until: ec2_jobs.finished
+      retries: 300
+      with_items: "{{ server.results }}"
+
+    # Mandatory configuration for Molecule to function.
+
+    - name: Populate instance config dict
+      set_fact:
+        instance_conf_dict: {
+          'instance': "{{ item.instances[0].tags.instance }}",
+          'address': "{{ item.instances[0].public_ip }}",
+          'user': "{{ ssh_user }}",
+          'port': "{{ ssh_port }}",
+          'identity_file': "{{ keypair_path }}",
+          'instance_ids': "{{ item.instance_ids }}", }
+      with_items: "{{ ec2_jobs.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:
+        content: "{{ instance_conf | to_json | from_json | molecule_to_yaml | molecule_header }}"
+        dest: "{{ molecule_instance_config }}"
+      when: server.changed | bool
+
+    - name: Wait for SSH
+      wait_for:
+        port: "{{ ssh_port }}"
+        host: "{{ item.address }}"
+        search_regex: SSH
+        delay: 10
+        timeout: 320
+      with_items: "{{ lookup('file', molecule_instance_config) | molecule_from_yaml }}"
+
+    - name: Wait for boot process to finish
+      pause:
+        minutes: 2

molecule/ec2-centos-7/destroy.yml

@@ -0,0 +1,47 @@
+---
+- name: Destroy
+  hosts: localhost
+  connection: local
+  gather_facts: false
+  no_log: "{{ not (lookup('env', 'MOLECULE_DEBUG') | bool or molecule_yml.provisioner.log|default(false) | bool) }}"
+  tasks:
+    - block:
+        - name: Populate instance config
+          set_fact:
+            instance_conf: "{{ lookup('file', molecule_instance_config) | molecule_from_yaml }}"
+            skip_instances: false
+      rescue:
+        - name: Populate instance config when file missing
+          set_fact:
+            instance_conf: {}
+            skip_instances: true
+
+    - name: Destroy molecule instance(s)
+      ec2:
+        state: absent
+        instance_ids: "{{ item.instance_ids }}"
+      register: server
+      with_items: "{{ instance_conf }}"
+      when: not skip_instances
+      async: 7200
+      poll: 0
+
+    - name: Wait for instance(s) deletion to complete
+      async_status:
+        jid: "{{ item.ansible_job_id }}"
+      register: ec2_jobs
+      until: ec2_jobs.finished
+      retries: 300
+      with_items: "{{ server.results }}"
+
+    # Mandatory configuration for Molecule to function.
+
+    - name: Populate instance config
+      set_fact:
+        instance_conf: {}
+
+    - name: Dump instance config
+      copy:
+        content: "{{ instance_conf | to_json | from_json | molecule_to_yaml | molecule_header }}"
+        dest: "{{ molecule_instance_config }}"
+      when: server.changed | bool

molecule/ec2-centos-7/molecule.yml

@@ -0,0 +1,22 @@
+---
+dependency:
+  name: galaxy
+driver:
+  name: ec2
+platforms:
+  - name: centos-7-iptables
+    image: ami-04cf43aca3e6f3de3
+    instance_type: t2.micro
+    vpc_subnet_id: subnet-9b6896f1
+lint:
+  name: yamllint
+  enabled: False
+provisioner:
+  name: ansible
+  lint:
+    name: ansible-lint
+    enabled: False
+verifier:
+  name: testinfra
+  lint:
+    name: flake8

molecule/ec2-centos-7/playbook.yml

@@ -0,0 +1,5 @@
+---
+- name: Converge
+  hosts: all
+  roles:
+    - role: xoxys.iptables

molecule/ec2-centos-7/prepare.yml

@@ -0,0 +1,9 @@
+---
+- name: Prepare
+  hosts: all
+  gather_facts: false
+  tasks:
+    - name: Install python for Ansible
+      raw: test -e /usr/bin/python || (apt -y update && apt install -y python-minimal python-zipstream)
+      become: true
+      changed_when: false

molecule/ec2-centos-7/tests/test_default.py

@@ -0,0 +1,34 @@
+import os
+
+import testinfra.utils.ansible_runner
+
+import warnings
+warnings.filterwarnings("ignore", category=DeprecationWarning)
+
+testinfra_hosts = testinfra.utils.ansible_runner.AnsibleRunner(
+    os.environ['MOLECULE_INVENTORY_FILE']).get_hosts('all')
+
+
+def test_iptables_is_installed(host):
+    iptables = host.package("iptables")
+    assert iptables.is_installed
+
+
+def test_iptables_running_and_enabled(host):
+    iptables = host.service("iptables")
+    assert iptables.is_running
+    assert iptables.is_enabled
+
+
+def test_iptables_default_rules(host)
+    defaults = [
+        "-P INPUT ACCEPT",
+        "-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT",
+        "-A INPUT -i lo -j ACCEPT",
+        "-A INPUT -p icmp --icmp-type echo-request -j ACCEPT",
+        "-A INPUT -p tcp -m tcp --dport 22 -j ACCEPT",
+        "-A INPUT -j REJECT"
+    ]
+
+    rules = host.iptables.rules(chain="INPUT")
+    assertItemsEqual(defaults, rules)

molecule/pytest.ini

@@ -0,0 +1,3 @@
+[pytest]
+filterwarnings =
+    ignore::DeprecationWarning