Update ansible README.md

ansible/README.md

@@ -1,38 +1,114 @@
-Role Name
+Ansible Role: paperless-ng
-=========
+==========================
 
-A brief description of the role goes here.
+Installs and configures paperless-ng EDMS on Debian/Ubuntu systems.
 
 Requirements
 ------------
 
-Any pre-requisites that may not be covered by Ansible itself or the role should be mentioned here. For instance, if the role uses the EC2 module, it may be a good idea to mention in this section that the boto package is required.
+No special system requirements. Ansible 2.7 or newer is required.
+
+Note that this role requires root access, so either run it in a playbook with a global `become: yes`, or invoke the role in your playbook like:
+
+    - hosts: all
+      roles:
+        - role: ansible
+          become: yes
 
 Role Variables
 --------------
 
-A description of the settable variables for this role should go here, including any variables that are in defaults/main.yml, vars/main.yml, and any variables that can/should be set via parameters to the role. Any variables that are read from other roles and/or the global scope (ie. hostvars, group vars, etc.) should be mentioned here as well.
+Most configuration variables from paperless-ng itself are available and accept their respective arguments.
+Every `PAPERLESS_*` configuration varaible is lowercased and instead prefixed with `paperlessng_*` in `defaults/main.yml`.
+
+For a full listing including explainations and allowed values, see the current [documentation](https://paperless-ng.readthedocs.io/en/ng-0.9.14/configuration.html).
+
+Additional variables available in this role are listed below, along with default values:
+
+    paperlessng_version: 0.9.14
+
+The [release](https://github.com/jonaswinkler/paperless-ng/releases) archive version of paperless-ng to install.
+
+    paperlessng_redis_host: localhost
+    paperlessng_redis_port: 6379
+
+Seperate configuration values that combine into `PAPERLESS_REDIS`.
+
+    paperlessng_db_type: sqlite
+
+Database to use. Default is file-based SQLite.
+
+    paperlessng_db_host: localhost
+    paperlessng_db_port: 5432
+    paperlessng_db_name: paperlessng
+    paperlessng_db_user: paperlessng
+    paperlessng_db_pass: paperlessng
+    paperlessng_db_sslmode: prefer
+
+Database configuration (only applicable if `paperlessng_db_type == 'postgresql'`).
+
+    paperlessng_directory: /opt/paperless-ng
+
+Root directory paperless-ng is installed into.
+
+    paperlessng_virtualenv: "{{ paperlessng_directory }}/.venv"
+
+Directory used for the virtual environment for paperless-ng.
+
+    paperlessng_ocr_languages:
+      - eng
+
+List of OCR languages to install and configure (`apt search tesseract-ocr-*`).
+
+    paperlessng_use_jbig2enc: True
+
+Whether to install and use [jbig2enc](https://github.com/agl/jbig2enc) for OCRmyPDF.
+
+    paperlessng_big2enc_lossy: False
+
+Whether to use jbig2enc's lossy compression mode.
+
+    paperlessng_superuser_name: paperlessng
+    paperlessng_superuser_email: paperlessng@example.com
+    paperlessng_superuser_password: paperlessng
+
+Credentials of the initial superuser in paperless-ng.
+
+    paperlessng_system_user: paperlessng
+    paperlessng_system_group: paperlessng
+
+System user and group to run the paperless-ng services as (will be created if required).
+
+    paperlessng_listen_address: 127.0.0.1
+    paperlessng_listen_port: 8000
+
+Address and port for the paperless-ng service to listen on.
 
 Dependencies
 ------------
 
-A list of other roles hosted on Galaxy should go here, plus any details in regards to parameters that may need to be set for other roles, or variables that are used from other roles.
+No ansible dependencies.
 
 Example Playbook
 ----------------
+`playbook.yml`:
 
-Including an example of how to use your role (for instance, with variables passed in as parameters) is always nice for users too:
+    - hosts: all
-
+      become: yes
-    - hosts: servers
+      vars_files:
+        - vars/main.yml
       roles:
-         - { role: username.rolename, x: 42 }
+        - ansible
 
-License
+`vars/main.yml`:
--------
 
-BSD
+    paperlessng_media_root: /mnt/media/smbshare
 
-Author Information
+    paperlessng_db_type: postgresql
-------------------
+    paperlessng_db_pass: PLEASEPROVIDEASTRONGPASSWORDHERE
 
-An optional section for the role authors to include contact information, or a website (HTML is not allowed).
+    paperless_secret_key: AGAINPLEASECHANGETHISNOW
+
+    paperlessng_ocr_languages:
+      - eng
+      - deu