initial commit

Playbook/keycloak_docker.yml

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+---
+
+- hosts: keycloak
+  roles:
+    - docker
+    - keycloak_docker
+
+  vars_files:
+    - ../defaults/main.yml
+  vars:
+    ansible_python_interpreter: /usr/bin/python3

defaults/main.yml

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+---
+keycloak_compose_dir: '/srv/keycloak-compose'
+keycloak_image: 'quay.io/keycloak/keycloak'
+keycloak_version: '25.0.1'
+keycloak_command: '"start-dev"' # set to "start" to run in production mode
+keycloak_db_name: 'keycloak'
+keycloak_db_user: 'keycloak'
+keycloak_db_password: 'password'
+keycloak_db_host: 'postgres'
+keycloak_db_port: '5432'
+keycloak_docker_postgres: 'true'
+keycloak_env:
+  - key: 'POSTGRES_VERSION'
+    value: '15.7-alpine'
+  - key: 'KC_DB' 
+    value: 'postgres'
+  - key: 'KC_DB_USERNAME' 
+    value: '{{ keycloak_db_user }}'
+  - key: 'KC_DB_PASSWORD' 
+    value: '{{ keycloak_db_password }}' 
+  - key: 'KC_DB_URL' 
+    value: '"jdbc:postgresql://{{ keycloak_db_host }}:{{ keycloak_db_port }}/{{ keycloak_db_name }}"'
+  - key: 'KC_METRICS_ENABLED' 
+    value: 'true'
+  - key: 'KC_LOG_LEVEL' 
+    value: 'INFO'
+  - key: 'KEYCLOAK_ADMIN' 
+    value: 'admin'
+  - key: 'KEYCLOAK_ADMIN_PASSWORD' 
+    value: 'admin'
+# Uncomment and modify below to add HTTPS certificates:    
+###  - key: 'KC_HTTPS_CERTIFICATE_FILE' 
+###    value: '"/etc/letsencrypt/live/localhost/fullchain.pem"'
+###  - key: 'KC_HTTPS_CERTIFICATE_KEY_FILE' 
+###  value: '"/etc/letsencrypt/live/localhost/privkey.pem"'
+  - key: 'KC_HOSTNAME' 
+    value: 'http://localhost'
+    env_only: 'true'
+  - key: 'KC_PORT'
+    value: '8080'
+    env_only: 'true'
+    
+keycloak_ports:
+  - '${KC_PORT}:8080'
+# to disable, add empty 'keycloak_volumes' variable to your host_vars
+# Below array mounts path directory volume to a mountpoint on the container
+keycloak_volumes:
+  #  - mountpath: '/etc/letsencrypt/live/localhost/'
+  #  mountpoint: '/etc/letsencrypt/live/localhost'
+  #  perm: 'ro'
+
+# to disable, add empty 'keycloak_extra_hosts' variable to your host_vars.
+# Below array adds edditional hosts to /etc/hosts on the docker container
+keycloak_extra_hosts:
+  #  - hostname: 'example.lan'
+  #    ip: '192.168.1.123'
+    
+keycloak_apt_list:
+  - python3-docker
+  - docker-compose-plugin

tasks/main.yml

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+---
+
+- name: '[Install] - Install dependencies'
+  apt:
+    name: '{{ keycloak_apt_list }}'
+    update_cache: yes
+
+- name: 'Configure] - Create docker compose dir'
+  file: 
+    path: '{{ keycloak_compose_dir }}'
+    state: directory
+
+- name: '[Configure] - Create docker compose file'
+  template: 
+    src: 'templates/compose.yml.j2'
+    dest: '{{ keycloak_compose_dir }}/docker-compose.yml'
+
+- name: '[Configure] - Create kecloak env file'
+  template: 
+    src: 'templates/env.j2'
+    dest: '{{ keycloak_compose_dir }}/.env'
+
+- name: '[RUN DOCKER] - Run docker compose'
+  shell: docker compose up -d 
+  args:
+    chdir: '{{ keycloak_compose_dir }}'

templates/compose.yml.j2

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+x-logging: &logging
+  driver: "json-file"
+  options:
+    max-size: "10m"
+    max-file: "3"
+
+services:
+{% if keycloak_docker_postgres is defined and keycloak_docker_postgres == 'true' %}
+  postgres:
+    image: postgres:${POSTGRES_VERSION}
+    restart: unless-stopped
+    healthcheck:
+      test: ["CMD", "pg_isready", "-U", "{{ keycloak_db_user }}"]
+    environment:
+      POSTGRES_DB: {{ keycloak_db_name }}
+      POSTGRES_USER: {{ keycloak_db_user }}
+      POSTGRES_PASSWORD: {{ keycloak_db_password }}
+    volumes:
+      - type: tmpfs
+        target: /var/lib/postgresql/data
+        tmpfs:
+          size: 100000000
+    logging: *logging
+{% endif %}
+  keycloak:
+    image: {{ keycloak_image }}:{{ keycloak_version }}
+    command: [{{ keycloak_command }}]
+    restart: unless-stopped
+    environment:
+{% for item in keycloak_env %}
+{% if item.env_only is not defined %}
+      {{ item.key }}: {{ item.value }}
+{% endif %}
+{% endfor %}
+{% if keycloak_ports is defined and keycloak_ports is iterable %}
+    ports:
+{% for item in keycloak_ports %}
+      - {{ item }}
+{% endfor %}
+{% endif %}
+{% if keycloak_volumes is defined and keycloak_volumes is iterable %}
+    volumes:
+{% for item in keycloak_volumes %}
+      - {{ item.mountpath }}:{{ item.mountpoint }}:{{ item.perm }}
+{% endfor %}
+{% endif %}
+    logging: *logging
+{% if keycloak_extra_hosts is defined and keycloak_extra_hosts is iterable %}
+    extra_hosts:
+{% for item in keycloak_extra_hosts %}
+      - {{ item.hostname }}:{{ item.ip }}
+{% endfor %}
+{% endif %}
+

templates/env.j2

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+# releases: https://github.com/keycloak/keycloak/releases
+KC_VERSION={{ keycloak_version }}
+
+{% for item in keycloak_env %}
+{{ item.key }}={{ item.value }}
+{% endfor %}