Extract vars, template fixes, add README

roles/keycloak/README.md

@@ -0,0 +1,75 @@
+keycloak
+========
+
+Install [keycloak](https://keycloak.org/) or [Red Hat Single Sing-On](https://access.redhat.com/products/red-hat-single-sign-on) server configurations.
+
+
+Role Defaults
+-------------
+
+| Variable | Description | Default |
+|:---------|:------------|:---------|
+|`keycloak_ha_enabled`| enable auto configuration for database backend, clustering and remote caches on infinispan | `False` |
+|`keycloak_admin_user`| Administration console user account | `admin` |
+
+
+Role Variables
+--------------
+
+The following are a set of required variables for the role:
+
+| Variable | Description |
+|:---------|:------------|
+|`keycloak_admin_password`| Password for the administration console user account |
+
+The following variables are required when keycloak_ha_enabled is True:
+
+| Variable | Description | Default |
+|:---------|:------------|:---------|
+|`keycloak_modcluster_url` | URL for the modcluster reverse proxy | `localhost` |
+|`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` |
+|`infinispan_url` | URL for the infinispan remote-cache server | `localhost:11122` |
+|`infinispan_user` | username for connecting to infinispan | `supervisor` |
+|`infinispan_pass` | password for connecting to infinispan | `supervisor` |
+
+
+Dependencies
+------------
+
+The roles depends on:
+
+* the redhat_csp_download role of [middleware_automation.redhat_csp_download](https://github.com/ansible-middleware/redhat-csp-download) collection
+* the jcliff role of [middleware_automation.jcliff](https://github.com/ansible-middleware/ansible_collections_jcliff) collection
+
+
+Example Playbook
+----------------
+
+The following is an example playbook that makes use of the role to install keycloak
+
+```yaml
+---
+- hosts: ...
+      collections:
+        - middleware_automation.keycloak
+      tasks:
+        - name: Include keycloak role
+          include_role:
+            name: keycloak
+          vars:
+            keycloak_admin_password: "changeme"
+```
+
+License
+-------
+
+Apache License 2.0
+
+
+Author Information
+------------------
+
+* [Guido Grazioli](https://github.com/guidograzioli)
+* [Romain Pelisse](https://github.com/rpelisse)