container: add molecule tests

galaxy.yml

@@ -8,6 +8,6 @@ readme: README.md
 repository: https://git.uumas.fi/uumas/ansible-docker
 license_file: LICENSE
 dependencies:
-  uumas.general: '>=0.5.8'
+  uumas.general: '>=0.5.9'
 authors:
   - uumas

roles/alpine/meta/argument_specs.yml

@@ -36,4 +36,6 @@ argument_specs:
       docker_entrypoint:
         description: "Passed to container role"
         required: false
-
+      dockerfile:
+        description: "Passed to container role"
+        required: false

roles/authentik/README.md

@@ -0,0 +1 @@
+Sets up an authentik docker container.

roles/authentik/defaults/main.yml

@@ -0,0 +1,5 @@
+---
+
+authentik_env: {}
+docker_networks:
+  - name: authentik

roles/authentik/meta/argument_specs.yml

@@ -0,0 +1,49 @@
+---
+
+argument_specs:
+  main:
+    short_description: Authentik container
+    description: "Sets up an authentik docker container."
+    options:
+      authentik_env:
+        description: "dict of custom environment variables for authentik container"
+        type: dict
+        required: false
+        default: {}
+
+      # All options after this will be passed directly to the container role
+      docker_service_suffix:
+        description: "Passed to container role"
+        required: false
+      docker_host_user:
+        description: "Passed to container role"
+        required: false
+
+      database_passwords:
+        description: "Passed to container role"
+        required: false
+      docker_additional_services:
+        description: "Passed to container role"
+        required: false
+
+      docker_volume_type:
+        description: "Passed to container role"
+        required: false
+      reverse_proxy_type:
+        description: "Passed to container role"
+        required: false
+      ports:
+        description: "Passed to container role"
+        required: false
+      docker_vhost_domains:
+        description: "Passed to container role"
+        required: false
+      docker_entrypoint:
+        description: "Passed to container role"
+        required: false
+      dockerfile:
+        description: "Passed to container role"
+        required: false
+      docker_networks:
+        description: "Passed to container role"
+        required: false

roles/authentik/tasks/main.yml

@@ -0,0 +1,26 @@
+---
+
+- name: Authentik container
+  ansible.builtin.import_role:
+    name: container
+  vars:
+    docker_service: authentik
+    docker_image: beryju/authentik:latest
+    docker_command:
+      - server
+    docker_image_http_port: 9000
+    docker_database: postgres
+    docker_additional_services:
+      - redis
+    docker_env: "{{ authentik_common_env | combine(authentik_env) }}"
+
+- name: Authentik worker container
+  ansible.builtin.import_role:
+    name: container
+  vars:
+    docker_service: authentik_worker
+    docker_image: beryju/authentik:latest
+    docker_command:
+      - worker
+    reverse_proxy_type: none
+    docker_env: "{{ authentik_common_env | combine(authentik_env) }}"

roles/authentik/vars/main.yml

@@ -0,0 +1,15 @@
+---
+
+authentik_common_env:
+  AUTHENTIK_REDIS__HOST: authentik_redis
+  AUTHENTIK_POSTGRESQL__HOST: authentik_db
+  AUTHENTIK_POSTGRESQL__USER: authentik
+  AUTHENTIK_POSTGRESQL__NAME: authentik
+  AUTHENTIK_POSTGRESQL__PASSWORD: "{{ database_passwords.authentik }}"
+  AUTHENTIK_SECRET_KEY: "{{ authentik_secret_key }}"
+  AUTHENTIK_EMAIL__HOST: "{{ smtp_server }}"
+  AUTHENTIK_EMAIL__PORT: '587'
+  AUTHENTIK_EMAIL__USE_TLS: 'true'
+  AUTHENTIK_EMAIL__USERNAME: "{{ smtp_user | default(omit) }}"
+  AUTHENTIK_EMAIL__PASSWORD: "{{ smtp_pw | default(omit) }}"
+  AUTHENTIK_EMAIL__FROM: "{{ smtp_from }}"

roles/container/defaults/main.yml

@@ -3,6 +3,8 @@
 docker_host_user: false
 docker_volume_type: named
 docker_mariadb_config: {}
+docker_redis_persistence: false
+dockerfile: []
 
 docker_phpmyadmin_basicauth: true
 docker_phpmyadmin_basicauth_users: {}

roles/container/meta/argument_specs.yml

@@ -17,6 +17,12 @@ argument_specs:
         description: "Docker image to use for the container. If dockerfile is defined, it will be used as base for locally built image (example: gitea/gitea:latest)"
         type: str
         required: true
+      dockerfile:
+        description: "A list of dockerfile instructions to add to the base image"
+        type: list
+        elements: str
+        required: false
+        default: []
       docker_host_user:
         description: "If true, creates a user on the host for this service. The container will run as this user's uid/gid. Bind mount volumes will be owned by this user."
         type: bool
@@ -57,7 +63,13 @@ argument_specs:
         elements: str
         choices:
           - memcached
+          - redis
         default: []
+      docker_redis_persistence:
+        description: Whether to save redis data to persistent storage
+        type: bool
+        required: false
+        default: false
       docker_phpmyadmin_basicauth:
         description: Whether to enable basicauth for phpmyadmin
         type: bool

roles/container/molecule/default/converge.yml

@@ -0,0 +1,18 @@
+---
+- name: Converge
+  hosts: all
+  tasks:
+    - name: Nginx container
+      import_role:
+        name: container
+      vars:
+        docker_service: nginx
+        docker_image: nginx
+        docker_image_http_port: 80
+        admin_email: test@example.com
+        ports:
+          nginx:
+            http: 28001
+        docker_vhost_domains:
+          nginx:
+            - localhost

roles/container/molecule/default/molecule.yml

@@ -0,0 +1,15 @@
+---
+dependency:
+  name: galaxy
+driver:
+  name: podman
+platforms:
+  - name: bullseye
+    image: git.uumas.fi/uumas/molecule-testbed:bullseye-docker
+    command: /lib/systemd/systemd
+    pre_build_image: true
+    privileged: true
+provisioner:
+  name: ansible
+verifier:
+  name: ansible

roles/container/molecule/default/verify.yml

@@ -0,0 +1,83 @@
+---
+- name: Verify
+  hosts: all
+  gather_facts: false
+  tasks:
+    - name: Ensure https://localhost returns 200
+      ansible.builtin.uri:
+        url: https://localhost
+        validate_certs: false
+        return_content: true
+      register: get_localhost
+
+    - name: Assert caddy responded on https://localhost
+      ansible.builtin.assert:
+        that: "(get_localhost.server | split(', '))[0] == 'Caddy'"
+    - name: Assert nginx responded on https://localhost
+      ansible.builtin.assert:
+        that: "(get_localhost.server | split(', '))[1].startswith('nginx')"
+
+    - name: Get /opt/nginx directory info
+      ansible.builtin.stat:
+        path: /opt/nginx
+      register: opt_nginx_stat
+    - name: Assert /opt/nginx doesn't exist
+      ansible.builtin.assert:
+        that: not opt_nginx_stat.stat.exists
+        msg: /opt/nginx should not have been created but it was
+
+    - name: Get host passwd nginx user
+      ansible.builtin.getent:
+        database: passwd
+        key: nginx
+        fail_key: false
+    - name: Assert nginx user does not exist
+      ansible.builtin.assert:
+        that: getent_passwd.nginx == None
+        msg: "nginx user should not exist but it does ({{ getent_passwd }})"
+
+    - name: Get nginx container info
+      community.docker.docker_container_info:
+        name: nginx
+      register: container_out
+
+    - name: Assert container port 80 forwarded to host 28001
+      ansible.builtin.assert:
+        that:
+          - "container_out.container.HostConfig.PortBindings['80/tcp'] is defined"
+          - "container_out.container.HostConfig.PortBindings['80/tcp'][0].HostPort == '28001'"
+        msg: "Container port 80 not correctly forwarded to host port. Port bindings output was {{ container_out.container.HostConfig.PortBindings }}"
+
+    - name: Assert container user not set
+      ansible.builtin.assert:
+        that: container_out.container.Config.User == ""
+
+    - name: Get container image info
+      community.docker.docker_image_info:
+        name: "{{ container_out.container.Image }}"
+      register: container_image_out
+    - name: Assert nginx image not built locally
+      assert:
+        that: container_image_out.images[0].RepoTags[0] == 'nginx:latest'
+        msg: "Nginx image tag incorrect. It should have been nginx:latest but it was {{ container_image_out.images[0].RepoTags }}"
+
+    - name: Get docker host info
+      community.docker.docker_host_info:
+        volumes: true
+      register: docker_host_out
+    - name: Assert all containers are running
+      ansible.builtin.assert:
+        that: docker_host_out.host_info.Containers == docker_host_out.host_info.ContainersRunning
+        msg: There should have been {{ docker_host_out.host_info.Containers }} containers running but there were {{ docker_host_out.host_info.Containers }}
+    - name: Assert no extra containers were created
+      ansible.builtin.assert:
+        that: docker_host_out.host_info.Containers == 1
+        msg: There should have been 1 container created but there were {{ docker_host_out.host_info.Containers }}
+    - name: Assert no extra images were pulled
+      ansible.builtin.assert:
+        that: docker_host_out.host_info.Images == 1
+        msg: There should have been 1 image present but there were {{ docker_host_out.host_info.Images }}
+    - name: Assert no volumes were created
+      ansible.builtin.assert:
+        that: docker_host_out.volumes | length == 0
+        msg: There should have been no volumes present but there were {{ docker_host_out.volumes | length }}

roles/container/tasks/additional.yml

@@ -6,6 +6,49 @@
     image: memcached:alpine
     pull: true
     restart_policy: always
-    networks: "{{ container_networks | default(omit) }}"
+    networks:
+      - "{{ container_networks[0] }}"
     log_driver: local
   when: "'memcached' in docker_additional_services"
+
+- name: Redis
+  when: "'redis' in docker_additional_services"
+  block:
+    - name: Reset redis container mount definition var
+      set_fact:
+        redis_container_mount_definition: []
+
+    - name: Set up redis container data bind mount
+      when: docker_volume_type == 'bind'
+      block:
+        - name: Create redis data bind mount directory for {{ docker_service_name }}
+          file:
+            path: "{{ docker_mounts_dir }}/redis"
+            state: directory
+
+        - name: Set redis_container_mount_definition for redis data bind mount
+          set_fact:
+            redis_container_mount_definition:
+              - source: "{{ docker_mounts_dir + '/redis' }}"
+                target: /data
+                type: bind
+
+    - name: Set redis_container_mount_definition for redis data named volume
+      set_fact:
+        redis_container_mount_definition:
+          source: "{{ docker_service_name + '_redis' }}"
+          target: /data
+          type: volume
+      when: docker_volume_type == 'named'
+
+    - name: "Redis container for {{ docker_service_name }}"
+      docker_container:
+        name: "{{ docker_service_name }}_redis"
+        image: redis:alpine
+        pull: true
+        restart_policy: always
+        mounts: "{{ redis_container_mount_definition }}"
+        command: "{{ '--save 60 1' if docker_redis_persistence else omit }}"
+        networks:
+          - "{{ container_networks[0] }}"
+        log_driver: local

roles/container/tasks/database.yml

@@ -75,7 +75,8 @@
     published_ports: "{{ db_published_ports | default(omit) }}"
     restart_policy: always
     mounts: "{{ db_container_mount_definition }}"
-    networks: "{{ container_networks | default(omit) }}"
+    networks:
+      - "{{ container_networks[0] }}"
     log_driver: local
 
 - name: phpMyAdmin container for {{ docker_service_name }}
@@ -89,6 +90,7 @@
     published_ports:
       - "127.0.0.1:{{ ports[docker_service_name]['phpmyadmin'] }}:80"
     restart_policy: always
-    networks: "{{ container_networks | default(omit) }}"
+    networks:
+      - "{{ container_networks[0] }}"
     log_driver: local
   when: docker_database == 'mariadb' and ports[docker_service_name]['phpmyadmin'] is defined

roles/container/tasks/init.yml

@@ -7,6 +7,7 @@
     docker_volumes_new: []
     final_docker_volumes: "{{ docker_volumes }}"
     container_image: ''
+    container_networks: []
 
 - name: Warn about docker_volumes legacy format
   debug:
@@ -39,7 +40,7 @@
   set_fact:
     template_mounts_needed: "{{ docker_mounts | selectattr('template', 'defined') | list | length > 0 }}"
     volumes_needed: "{{ docker_mounts | selectattr('name', 'defined') | list | length > 0 or docker_database != 'none' }}"
-    dockerfile_needed: "{{ dockerfile is defined and dockerfile | length > 0 }}"
+    dockerfile_needed: "{{ dockerfile | length > 0 }}"
     db_config_mounts_needed: "{{ docker_mariadb_config | length > 0 }}"
 - name: Set more assistive variables
   set_fact:

roles/container/tasks/main.yml

@@ -24,10 +24,6 @@
   include_tasks: proxy.yml
   when: reverse_proxy_type != 'none'
 
-- name: Additional services
-  include_tasks: additional.yml
-  when: docker_additional_services is defined
-
 - name: Create directory /opt/{{ docker_service }}
   file:
     path: "/opt/{{ docker_service }}"
@@ -80,6 +76,10 @@
   include_tasks: database.yml
   when: docker_database != 'none'
 
+- name: Additional services
+  include_tasks: additional.yml
+  when: docker_additional_services is defined
+
 - name: Container volumes
   import_tasks: volumes.yml
 
@@ -96,7 +96,7 @@
     command: "{{ docker_command | default(omit) }}"
     restart_policy: always
     network_mode: "{{ docker_network_mode | default(omit) }}"
-    networks: "{{ container_networks | default(omit) }}"
+    networks: "{{ container_networks }}"
     log_driver: local
   register: container_out
 

roles/container/templates/Dockerfile.j2

@@ -1,9 +1,6 @@
 # {{ ansible_managed }}
 
 FROM {{ docker_image }}
-{% if dockerfile.run is iterable %}
-{% for cmd in dockerfile.run %}
-RUN {{ cmd }}
+{% for item in dockerfile %}
+{{ item }}
 {% endfor %}
-{% endif %}
-

roles/docker/handlers/main.yml

@@ -1,6 +1,6 @@
 ---
 
-- name: restart docker
-  systemd:
+- name: Restart docker
+  ansible.builtin.systemd:
     name: docker.service
     state: restarted

roles/docker/molecule/default/converge.yml

@@ -0,0 +1,5 @@
+---
+- name: Converge
+  hosts: all
+  roles:
+    - docker

roles/docker/molecule/default/molecule.yml

@@ -0,0 +1,15 @@
+---
+dependency:
+  name: galaxy
+driver:
+  name: podman
+platforms:
+  - name: bullseye
+    image: git.uumas.fi/uumas/molecule-testbed:bullseye
+    command: /lib/systemd/systemd
+    pre_build_image: true
+    privileged: true
+provisioner:
+  name: ansible
+verifier:
+  name: ansible

roles/docker/molecule/default/verify.yml

@@ -0,0 +1,12 @@
+---
+- name: Verify
+  hosts: all
+  gather_facts: false
+  tasks:
+    - name: Docker hello world container
+      community.docker.docker_container:
+        name: hello-world
+        image: hello-world
+        detach: false
+        cleanup: true
+      register: docker_hello_world

roles/docker/tasks/main.yml

@@ -1,38 +1,27 @@
 ---
 
-- name: Install dependencies
-  apt:
-    name:
-      - apt-transport-https
-      - ca-certificates
-      - curl
-      - gnupg
-      - lsb-release
-    update_cache: true
-
-- name: Set dpkg arch (amd64)
-  set_fact:
-    dpkg_arch: amd64
-  when: ansible_architecture == 'x86_64'
-- name: Set dpkg arch (arm64)
-  set_fact:
-    dpkg_arch: arm64
-  when: ansible_architecture == 'aarch64'
-
-- name: Add docker repo signing key
-  apt_key:
-    id: '9DC858229FC7DD38854AE2D88D81803C0EBFCD88'
-    url: 'https://download.docker.com/linux/debian/gpg'
-- name: Add docker repo
-  apt_repository:
-    repo: "deb [arch={{ dpkg_arch }}] https://download.docker.com/linux/{{ ansible_distribution | lower }} {{ ansible_distribution_release }} stable"
-    filename: 'docker'
-    mode: '644'
+- name: Add docker apt repository
+  ansible.builtin.import_role:
+    name: uumas.general.apt_repository
+  vars:
+    repo_name: docker
+    repo_url: https://download.docker.com/linux/{{ ansible_distribution | lower }}
+    repo_key_url: https://download.docker.com/linux/debian/gpg
+    repo_arch: "{{ apt_arch }}"
+    repo_components:
+      - stable
 
 - name: Install docker
-  apt:
+  ansible.builtin.apt:
     name:
       - docker-ce
       - docker-ce-cli
       - containerd.io
+      - docker-buildx-plugin
       - python3-docker
+
+- name: Ensure docker is started and enabled
+  ansible.builtin.systemd:
+    name: docker.service
+    state: started
+    enabled: true

roles/grafana/meta/argument_specs.yml

@@ -2,8 +2,8 @@
 
 argument_specs:
   main:
-    short_description: Alpine container
-    description: "Sets up an alpine docker container. This role can be used as a template for other roles using the container role."
+    short_description: Grafana
+    description: "Sets up a grafana docker container"
     options:
       database_passwords:
         description: "Passed to container role"

roles/wordpress/tasks/main.yml

@@ -2,7 +2,7 @@
 
 - name: Reset dockerfile variable
   set_fact:
-    dockerfile: {}
+    dockerfile: []
 
 - name: Set docker service full name (required because docker_env uses it)
   set_fact:
@@ -11,14 +11,16 @@
 
 - name: Add memcached php extension to container
   set_fact:
-    dockerfile: "{{ dockerfile | combine({'run': \
-      ['apt-get update && apt-get install -y libmemcached-dev libssl-dev zlib1g-dev && \
-      pecl install memcached-3.2.0 && docker-php-ext-enable memcached']}, list_merge='append') }}"
+    dockerfile: >
+      "{{ dockerfile +
+      ['RUN apt-get update && \
+      apt-get install -y libmemcached-dev libssl-dev zlib1g-dev && \
+      pecl install memcached-3.2.0 && docker-php-ext-enable memcached'] }}"
   when: "'memcached' in docker_additional_services"
 
 - name: Add pdo_mysql php extension to container
   set_fact:
-    dockerfile: "{{ dockerfile | combine({'run': ['docker-php-ext-install -j$(nproc) pdo_mysql']}, list_merge='append') }}"
+    dockerfile: "{{ dockerfile + ['RUN docker-php-ext-install -j$(nproc) pdo_mysql'] }}"
   when: "'pdo_mysql' in wordpress_php_extensions"
 
 - name: Include additional volume vars