feat(keycloak): allow importing providers and providing build flags to kc.sh build

roles/keycloak/defaults/main.yml

@@ -8,6 +8,9 @@ keycloak_container_image_name: "keycloak:{{ keycloak_version }}-custom"
 
 keycloak_container_database_vendor: postgres
 keycloak_container_build_directory: /opt/keycloak/build
+keycloak_container_build_jar_directory: providers
+keycloak_container_build_flags: {}
+keycloak_provider_jars_directory: "{{ keycloak_container_build_directory }}/{{ keycloak_container_build_jar_directory }}"
 
 keycloak_database_hostname: localhost
 keycloak_database_port: 5432

roles/keycloak/tasks/main.yml

@@ -7,11 +7,18 @@
     recurse: yes
     mode: 0700
 
+- name: Ensure provider jars directory exists
+  file:
+    name: "{{ keycloak_provider_jars_directory }}"
+    state: directory
+    mode: 0775
+
 - name: Ensure Dockerfile is templated
   template:
     src: Dockerfile.j2
     dest: "{{ keycloak_container_build_directory }}/Dockerfile"
-    mode: 0640
+    mode: 0700
+  register: keycloak_buildfile_info
 
 - name: Ensure Keycloak container image is present
   docker_image:
@@ -46,3 +53,5 @@
       --db-password {{ keycloak_database_password }}
       --db-url jdbc:postgresql://{{ keycloak_database_hostname }}:{{ keycloak_database_port }}/{{ keycloak_database_database }}
       --optimized
+  tags:
+    - keycloak-container

roles/keycloak/templates/Dockerfile.j2

@@ -9,7 +9,18 @@ ARG DB_VENDOR
 ENV KC_DB=$DB_VENDOR
 
 WORKDIR {{ keycloak_container_working_directory }}
-RUN {{ keycloak_container_working_directory }}/bin/kc.sh build
+
+ADD ./providers/* providers/
+# Workaround to set correct mode on jar files
+USER root
+RUN chmod -R 0770 providers/*
+USER keycloak
+
+RUN {{ keycloak_container_working_directory }}/bin/kc.sh --verbose \
+{% for argument in keycloak_container_build_flags | dict2items(key_name='flag', value_name='value') %}
+  --{{- argument['flag'] -}}{{- argument['value'] | default(false, true) | ternary('=' + argument['value'], '') }} \
+{% endfor%}
+  build
 
 
 FROM {{ keycloak_container_upstream_image_name }}:{{ keycloak_version }}