Updating to Molecule V2

.travis.yml

@@ -4,17 +4,12 @@ language: python
 services:
   - docker
 
-before_install:
-- sudo apt-get -qq update
-- sudo apt-get install -o Dpkg::Options::="--force-confold" --force-yes -y docker-engine
-
 install:
-- pip install molecule ansible docker-py
+  - pip install molecule ansible docker
 
 script:
-- molecule --version
-- ansible --version
-- molecule test
-
+  - molecule --version
+  - ansible --version
+  - molecule test
 notifications:
   webhooks: https://galaxy.ansible.com/api/v1/notifications/

defaults/main.yml

@@ -1,7 +1,6 @@
 ---
 # defaults file for ansible-telegraf
 
-#telegraf_agent_version: 0.10.1
 telegraf_agent_version: 1.0.0
 telegraf_agent_hostname: "{{ ansible_fqdn }}"
 telegraf_agent_interval: 10
@@ -10,13 +9,13 @@ telegraf_agent_round_interval: True
 telegraf_agent_flush_interval: 10
 telegraf_agent_flush_jitter: 0
 
-#v0.13 settings (not sure if supported in older version):
+# v0.13 settings (not sure if supported in older version):
 telegraf_agent_collection_jitter: 0
 telegraf_agent_metric_batch_size: 1000
 telegraf_agent_metric_buffer_limit: 10000
 telegraf_agent_quiet: False
 
-#v1.1 settings:
+# v1.1 settings:
 telegraf_agent_logfile: ""
 telegraf_agent_omit_hostname: False
 

molecule.yml

@@ -1,24 +0,0 @@
----
-ansible:
-  playbook: playbook.yml
-
-driver:
-  name: docker
-
-verifier:
-  name: testinfra
-
-docker:
-  containers:
-  - name: telegraf-centos
-    ansible_groups:
-      - group1
-    image: milcom/centos7-systemd
-    image_version: latest
-    privileged: True
-  - name: telegraf-debian
-    ansible_groups:
-      - group2
-    image: maint/debian-systemd
-    image_version: latest
-    privileged: True

molecule/default/Dockerfile.j2

@@ -0,0 +1,7 @@
+FROM {{ item.image }}
+
+RUN if [ $(command -v apt-get) ]; then apt-get update && apt-get upgrade -y && apt-get install -y python sudo bash ca-certificates && apt-get clean; \
+    elif [ $(command -v dnf) ]; then dnf makecache && dnf --assumeyes install python python-devel python2-dnf bash && dnf clean all; \
+    elif [ $(command -v yum) ]; then yum makecache fast && yum update -y && yum install -y python sudo yum-plugin-ovl bash && sed -i 's/plugins=0/plugins=1/g' /etc/yum.conf && yum clean all; \
+    elif [ $(command -v zypper) ]; then zypper refresh && zypper update -y && zypper install -y python sudo bash python-xml && zypper clean -a; \
+    elif [ $(command -v apk) ]; then apk update && apk add --no-cache python sudo bash ca-certificates; fi

molecule/default/INSTALL.rst

@@ -0,0 +1,46 @@
+*******
+Install
+*******
+
+This set of playbooks have specific dependencies on Ansible due to the modules
+being used.
+
+Requirements
+============
+
+* Ansible 2.2
+* Docker Engine
+* docker-py
+
+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 docker-engine
+  # 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 docker-py
+  $ sudo pip install molecule --pre

molecule/default/create.yml

@@ -0,0 +1,47 @@
+---
+- name: Create
+  hosts: localhost
+  connection: local
+  gather_facts: False
+  no_log: "{{ not lookup('env', 'MOLECULE_DEBUG') | bool }}"
+  vars:
+    molecule_file: "{{ lookup('env', 'MOLECULE_FILE') }}"
+    molecule_ephemeral_directory: "{{ lookup('env', 'MOLECULE_EPHEMERAL_DIRECTORY') }}"
+    molecule_scenario_directory: "{{ lookup('env', 'MOLECULE_SCENARIO_DIRECTORY') }}"
+    molecule_yml: "{{ lookup('file', molecule_file) | from_yaml }}"
+  tasks:
+    - name: Create Dockerfiles from image names
+      template:
+        src: "{{ molecule_scenario_directory }}/Dockerfile.j2"
+        dest: "{{ molecule_ephemeral_directory }}/Dockerfile_{{ item.image | regex_replace('[^a-zA-Z0-9_]', '_') }}"
+      with_items: "{{ molecule_yml.platforms }}"
+      register: platforms
+
+    - name: Discover local Docker images
+      docker_image_facts:
+        name: "molecule_local/{{ item.item.name }}"
+      with_items: "{{ platforms.results }}"
+      register: docker_images
+
+    - name: Build an Ansible compatible image
+      docker_image:
+        path: "{{ molecule_ephemeral_directory }}"
+        name: "molecule_local/{{ item.item.image }}"
+        dockerfile: "{{ item.item.dockerfile | default(item.invocation.module_args.dest) }}"
+        force: "{{ item.item.force | default(True) }}"
+      with_items: "{{ platforms.results }}"
+      when: platforms.changed or docker_images.results | map(attribute='images') | select('equalto', []) | list | count >= 0
+
+    - name: Create molecule instance(s)
+      docker_container:
+        name: "{{ item.name }}"
+        hostname: "{{ item.name }}"
+        image: "molecule_local/{{ item.image }}"
+        state: started
+        recreate: False
+        log_driver: syslog
+        command: "{{ item.command | default('sleep infinity') }}"
+        privileged: "{{ item.privileged | default(omit) }}"
+        volumes: "{{ item.volumes | default(omit) }}"
+        capabilities: "{{ item.capabilities | default(omit) }}"
+      with_items: "{{ molecule_yml.platforms }}"

molecule/default/destroy.yml

@@ -0,0 +1,16 @@
+---
+- name: Destroy
+  hosts: localhost
+  connection: local
+  gather_facts: False
+  no_log: "{{ not lookup('env', 'MOLECULE_DEBUG') | bool }}"
+  vars:
+    molecule_file: "{{ lookup('env', 'MOLECULE_FILE') }}"
+    molecule_yml: "{{ lookup('file', molecule_file) | from_yaml }}"
+  tasks:
+    - name: Destroy molecule instance(s)
+      docker_container:
+        name: "{{ item.name }}"
+        state: absent
+        force_kill: "{{ item.force_kill | default(True) }}"
+      with_items: "{{ molecule_yml.platforms }}"

molecule/default/molecule.yml

@@ -0,0 +1,28 @@
+---
+dependency:
+  name: galaxy
+driver:
+  name: docker
+lint:
+  name: yamllint
+  options:
+    config-file: molecule/default/yaml-lint.yml
+
+platforms:
+  - name: telegraf-centos
+    image: milcom/centos7-systemd
+    privileged: True
+  - name: telegraf-debian
+    image: maint/debian-systemd
+    privileged: True
+
+provisioner:
+  name: ansible
+  lint:
+    name: ansible-lint
+scenario:
+  name: default
+verifier:
+  name: testinfra
+  lint:
+    name: flake8

molecule/default/tests/test_default.py

@@ -1,6 +1,9 @@
-from testinfra.utils.ansible_runner import AnsibleRunner
+import os
 
-testinfra_hosts = AnsibleRunner('.molecule/ansible_inventory').get_hosts('all')
+import testinfra.utils.ansible_runner
+
+testinfra_hosts = testinfra.utils.ansible_runner.AnsibleRunner(
+    os.environ['MOLECULE_INVENTORY_FILE']).get_hosts('all')
 
 
 def test_telegraf_running_and_enabled(Service, SystemInfo):

molecule/default/yaml-lint.yml

@@ -0,0 +1,9 @@
+---
+
+extends: default
+
+rules:
+  line-length:
+    max: 120
+    level: warning
+  truthy: disable

tests/inventory

@@ -1,6 +0,0 @@
-localhost
-[group1]
-telegraf-centos
-
-[group2]
-telegraf-debian

tests/test.yml

@@ -1,5 +0,0 @@
----
-- hosts: localhost
-  remote_user: root
-  roles:
-    - ansible-zabbix-agent