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Ansible Role: Keycloak

An Ansible Role that installs et configure Keycloak on Linux.

Requirements

You need:

  • At least OpenJDK 11 or newer installed before running this role. To ensure it's installed, you can use the geerlingguy.java role for example.
  • The sudo command and a user allowed to use it (or root user)

And requirements to run Keycloak in production:

Role Variables

Available variables are listed below, along with default values (see defaults/main.yml):

keycloak_version: 20.0.2

The version of Keycloak to install on the system. If not defined, we try to find the latest release on GitHub API.

keycloak_install_dir: /opt/keycloak

The target folder where Keycloak version will be installed.

keycloak_hostname: keycloak.example.com

Hostname for the Keycloak server. If not specified, ansible_fqdn variable will be used.

keycloak_admin_hostname: console.keycloak.example.com

Hostname for the Keycloak Administration console. If not specified, keycloak_hostname variable will be used.

keycloak_https_port: 8443

The port listened by Keycloak for HTTPS traffic.
WARNING: As Keycloak will run as a service user (non-root), it cannot be < 1024. See Keycloak documentation to run Keycloak behind a proxy if you need.

keycloak_tls_certificate_format: keystore

Format of the TLS certificate. Can be either keystore (default) or pem.
See variables below to see related variables.

keycloak_tls_certificate_format: keystore
keycloak_keystore_file: /opt/keycloak/keycloak.jks
keycloak_keystore_password: changeme

The file path and password for the Java Keystore containing the SSL/TLS certificate and associated key.

keycloak_tls_certificate_format: pem
keycloak_cert_file: /etc/ssl/certs/example/example.com.crt
keycloak_key_file: /etc/ssl/private/example.com.key

The file path to SSL/TLS certificate and associated key (ignored if using a Java Keystore).
Please note that for now, there's no way to provide a passphrase for the key to Keycloak.

keycloak_service_user: keycloak

The system user/group name who will be running Keycloak. The role will automatically create & set up the user account if necessary.

keycloak_database_vendor: postgres
keycloak_database_host: localhost
keycloak_database_user: db_user
keycloak_database_password: db_password
keycloak_database_name: keycloak_db

Settings for the database to use with Keycloak. See Keycloak documentation for details on allowed values.

keycloak_database_schema: kc_schema
keycloak_database_port: 1234
keycloak_database_properties: "myProperty1=value1;otherProperty=value2"

Optional parameters for JDBC connection URL.

keycloak_dev_mode: true

Make Keycloak start in dev mode (default: true).
If true, it will bypass Keycloak build step and setup service with start-dev instead of start command.

Dependencies

None

Example Playbook

- hosts: all
  roles:
    - role: sedona_solutions.keycloak
      vars:
        keycloak_version: 20.0.1
        keycloak_keystore_file: /etc/keycloak/keycloak.jks
        keycloak_keystore_password: changeme
        keycloak_hostname: keycloak.example.com
        keycloak_database_host: localhost
        keycloak_database_vendor: postgres
        keycloak_database_user: db_user
        keycloak_database_password: db_password
        keycloak_database_name: keycloak_db

License

MIT / BSD

Author Information

This role was created in 2022 by Sébastien Collado for Sedona Solutions.