molecule setup

.gitlab-ci.yml

---
variables:
  MOLECULE_VERSION: 3.0.4
  LC_ALL: C.UTF-8
  LANG: C.UTF-8
  PY_COLORS: 1
  ANSIBLE_FORCE_COLOR: "True"

stages:
  - test

.molecule:
  stage: test
  image: molecule-docker:$MOLECULE_VERSION-$ANSIBLE_VERSION
  before_script:
    - pip3 install ansible==$ANSIBLE_VERSION molecule[docker]==$MOLECULE_VERSION
    - ansible --version
    - molecule --version
  script:
    - molecule test --parallel

ansible_2.8:
  extends: [.molecule]
  variables:
    ANSIBLE_VERSION: 2.8.10

ansible_2.9:
  extends: [.molecule]
  variables:
    ANSIBLE_VERSION: 2.9.9

deps.sh

#!/bin/sh

envsubst < molecule/default/requirements.tmpl > molecule/default/requirements.yaml
ansible-galaxy install --force -r molecule/default/requirements.yaml

Dockerfile

FROM debian:buster

ENV container docker
ENV LC_ALL C
ENV DEBIAN_FRONTEND noninteractive

RUN apt-get update \
    && apt-get install -y systemd systemd-sysv procps python3 \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*

RUN rm -f /lib/systemd/system/multi-user.target.wants/* \
    /etc/systemd/system/*.wants/* \
    /lib/systemd/system/local-fs.target.wants/* \
    /lib/systemd/system/sockets.target.wants/*udev* \
    /lib/systemd/system/sockets.target.wants/*initctl* \
    /lib/systemd/system/sysinit.target.wants/systemd-tmpfiles-setup* \
    /lib/systemd/system/systemd-update-utmp*

VOLUME [ "/sys/fs/cgroup" ]

CMD ["/lib/systemd/systemd"]

molecule.yml

---
dependency:
  name: shell
  command: $PWD/molecule/default/deps.sh
driver:
  name: docker
platforms:
  - name: instance
    image: instance
    pre_build_image: no
    command: /sbin/init
    privileged: True
    tmpfs:
      - /run
      - /tmp
    volumes:
      - /sys/fs/cgroup:/sys/fs/cgroup:ro
provisioner:
  name: ansible
  options:
    diff: True
  env:
....
verifier:
  name: ansible

requirements.tmpl

- name: somename
  scm: git
  src: https://gitlab-ci-token:${CI_JOB_TOKEN}@gitlab.....git
  version: 0.1.1

verify.yml

- name: Verify
  hosts: all
  vars_files:
    - ../../defaults/main.yml
  tasks:
    - name: check service is running
      service:
        name: name
        state: started
      register: service_state

    - name: checi if config file exists
      stat:
        path: "{{ config }}"
      register: pc

    - name: read config into var
      slurp:
        src: "{{ config }}"
      register: pcc

    - name: check if config is valid yaml
      set_fact:
        promxy_conf: "{{ pcc.content | b64decode | from_yaml }}"

    - name: Check
      assert:
        that:
          - "service_state.state == 'started'"
          - "pc.stat.exists"