Raw refactoring of roles

roles/docker-pixelfed/meta/schema.yml

@@ -0,0 +1,10 @@
+credentials:
+  database_password:
+    description: "Password for the Pixelfed database user"
+    algorithm: "bcrypt"
+    validation: "^\\$2[aby]\\$.{56}$"
+
+  app_key:
+    description: "Application key used for encryption in Pixelfed (.env APP_KEY)"
+    algorithm: "plain"
+    validation: "^base64:[A-Za-z0-9+/=]{40,}$"

roles/docker-pixelfed/templates/env.j2

@@ -1,5 +1,5 @@
 ## Crypto
-APP_KEY={{pixelfed_app_key}}
+APP_KEY={{applications[application_id].credentials.app_key}}
 
 ## General Settings
 APP_NAME="{{applications.pixelfed.titel}}"

roles/docker-pixelfed/vars/configuration.yml

@@ -0,0 +1,7 @@
+titel:                "Pictures on {{primary_domain}}"
+version:              "latest"
+features:
+  matomo:             true
+  css:                true
+  landingpage_iframe: false
+  central_database:   true

roles/docker-pixelfed/vars/main.yml

@@ -1,4 +1,4 @@
 application_id:                                 "pixelfed"
 nginx_docker_reverse_proxy_extra_configuration: "client_max_body_size 512M;"
 database_type:                                  "mariadb"
-database_password:                              "{{pixelfed_database_password}}"
+database_password:                              "{{applications[application_id].credentials.database_password}}"