Parametrize jdbc driver version

roles/keycloak/README.md

@@ -53,22 +53,14 @@ The following variables are _required_ only when keycloak_ha_enabled is True:
 |`infinispan_trust_store_password`| Password for opening truststore | `changeit` |
 
 
-The following variables are _required_ only when keycloak_db_enabled is True and keycloak_jdbc_engine is postgres:
+The following variables are _required_ only when keycloak_db_enabled is True:
 
 | Variable | Description | Default |
 |:---------|:------------|:---------|
-|`postgres_jdbc_url` | URL for the postgres backend database | `jdbc:postgresql://localhost:5432/keycloak` |
-|`postgres_db_user` | username for connecting to postgres | `keycloak-user` |
-|`postgres_db_pass` | password for connecting to postgres | `keycloak-pass` |
-
-
-The following variables are _required_ only when keycloak_db_enabled is True and keycloak_jdbc_engine is mariadb:
-
-| Variable | Description | Default |
-|:---------|:------------|:---------|
-|`mariadb_jdbc_url` | URL for the mariadb backend database | `jdbc:mariadb://localhost:3306/keycloak` |
-|`mariadb_db_user` | username for connecting to mariadb | `keycloak-user` |
-|`mariadb_db_pass` | password for connecting to mariadb | `keycloak-pass` |
+|`keycloak_jdbc_url` | URL for the postgres backend database | `jdbc:postgresql://localhost:5432/keycloak` |
+|`keycloak_jdbc_driver_version`| Version for the JDBC driver to download | `9.4.1212` |
+|`keycloak_db_user` | username for connecting to postgres | `keycloak-user` |
+|`keycloak_db_pass` | password for connecting to postgres | `keycloak-pass` |
 
 
 Dependencies

roles/keycloak/defaults/main.yml

@@ -63,9 +63,15 @@ infinispan_trust_store_password: changeit
 ### database backend engine: values [ 'postgres', 'mariadb' ]
 keycloak_jdbc_engine: postgres
 ### database backend credentials
-postgres_jdbc_url: 'jdbc:postgresql://localhost:5432/keycloak'
-postgres_db_user: keycloak-user
-postgres_db_pass: keycloak-pass
-mariadb_jdbc_url: 'jdbc:mariadb://localhost:3306/keycloak'
-mariadb_db_user: keycloak-user
-mariadb_db_pass: keycloak-pass
+keycloak_db_user: keycloak-user
+keycloak_db_pass: keycloak-pass
+keycloak_jdbc_url: "{{ keycloak_default_jdbc[keycloak_jdbc_engine].url }}"
+keycloak_jdbc_driver_version: "{{ keycloak_default_jdbc[keycloak_jdbc_engine].version }}"
+# override the variables above, following defaults show minimum supported versions
+keycloak_default_jdbc:
+  postgres:
+    url: 'jdbc:postgresql://localhost:5432/keycloak'
+    version: 9.4.1212
+  mariadb:
+    url: 'jdbc:mariadb://localhost:3306/keycloak'
+    version: 2.7.4

roles/keycloak/vars/main.yml

@@ -17,12 +17,12 @@ keycloak_jdbc:
     xa_datasource_class: org.postgresql.xa.PGXADataSource
     driver_module_name: "org.postgresql"
     driver_module_dir: "{{ keycloak_jboss_home }}/modules/org/postgresql/main"
-    driver_version: 9.4.1212
-    driver_jar_filename: "postgresql-9.4.1212.jar"
-    driver_jar_url: "https://repo.maven.apache.org/maven2/org/postgresql/postgresql/9.4.1212/postgresql-9.4.1212.jar"
-    connection_url: "{{ postgres_jdbc_url }}"
-    db_user: "{{ postgres_db_user }}"
-    db_password: "{{ postgres_db_pass }}"
+    driver_version: "{{ keycloak_jdbc_driver_version }}"
+    driver_jar_filename: "postgresql-{{ keycloak_jdbc_driver_version }}.jar"
+    driver_jar_url: "https://repo.maven.apache.org/maven2/org/postgresql/postgresql/{{ keycloak_jdbc_driver_version }}/postgresql-{{ keycloak_jdbc_driver_version }}.jar"
+    connection_url: "{{ keycloak_jdbc_url }}"
+    db_user: "{{ keycloak_db_user }}"
+    db_password: "{{ keycloak_db_pass }}"
     initialize_db: >
       CREATE TABLE IF NOT EXISTS JGROUPSPING (
         own_addr varchar(200) NOT NULL,
@@ -36,12 +36,12 @@ keycloak_jdbc:
     xa_datasource_class: org.mariadb.jdbc.MySQLDataSource
     driver_module_name: "org.mariadb"
     driver_module_dir: "{{ keycloak_jboss_home }}/modules/org/mariadb/main"
-    driver_version: 2.7.4
-    driver_jar_filename: "mariadb-java-client-2.7.4.jar"
-    driver_jar_url: "https://repo1.maven.org/maven2/org/mariadb/jdbc/mariadb-java-client/2.7.4/mariadb-java-client-2.7.4.jar"
-    connection_url: "{{ mariadb_jdbc_url }}"
-    db_user: "{{ mariadb_db_user  }}"
-    db_password: "{{ mariadb_db_pass }}"
+    driver_version: "{{ keycloak_jdbc_driver_version }}"
+    driver_jar_filename: "mariadb-java-client-{{ keycloak_jdbc_driver_version }}.jar"
+    driver_jar_url: "https://repo1.maven.org/maven2/org/mariadb/jdbc/mariadb-java-client/{{ keycloak_jdbc_driver_version }}/mariadb-java-client-{{ keycloak_jdbc_driver_version }}.jar"
+    connection_url: "{{ keycloak_jdbc_url }}"
+    db_user: "{{ keycloak_db_user  }}"
+    db_password: "{{ keycloak_db_pass }}"
     initialize_db: >
       CREATE TABLE IF NOT EXISTS JGROUPSPING (
         own_addr varchar(200) NOT NULL,