scaleway: Misc doc changes (#2776) (#2785)

* Updated example section for ``variables``
* Added link about token generation
* Misc changes in doc

Fixes: #467

Signed-off-by: Abhijeet Kasurde <akasurde@redhat.com>
(cherry picked from commit 4b37b1bca6)

Co-authored-by: Abhijeet Kasurde <akasurde@redhat.com>

plugins/inventory/scaleway.py

@@ -1,24 +1,24 @@
-# Copyright (c) 2017 Ansible Project
+# Copyright: (c) 2017 Ansible Project
 # GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
 
 from __future__ import (absolute_import, division, print_function)
 
 __metaclass__ = type
 
-DOCUMENTATION = '''
+DOCUMENTATION = r'''
     name: scaleway
     author:
       - Remy Leone (@sieben)
     short_description: Scaleway inventory source
     description:
-        - Get inventory hosts from Scaleway
+        - Get inventory hosts from Scaleway.
     options:
         plugin:
-            description: token that ensures this is a source file for the 'scaleway' plugin.
+            description: Token that ensures this is a source file for the 'scaleway' plugin.
             required: True
             choices: ['scaleway', 'community.general.scaleway']
         regions:
-            description: Filter results on a specific Scaleway region
+            description: Filter results on a specific Scaleway region.
             type: list
             default:
                 - ams1
@@ -26,11 +26,13 @@ DOCUMENTATION = '''
                 - par2
                 - waw1
         tags:
-            description: Filter results on a specific tag
+            description: Filter results on a specific tag.
             type: list
         oauth_token:
             required: True
-            description: Scaleway OAuth token.
+            description:
+            - Scaleway OAuth token.
+            - More details on L(how to generate token, https://www.scaleway.com/en/docs/generate-api-keys/).
             env:
                 # in order of precedence
                 - name: SCW_TOKEN
@@ -48,14 +50,14 @@ DOCUMENTATION = '''
                 - hostname
                 - id
         variables:
-            description: 'set individual variables: keys are variable names and
+            description: 'Set individual variables: keys are variable names and
                           values are templates. Any value returned by the
                           L(Scaleway API, https://developer.scaleway.com/#servers-server-get)
                           can be used.'
             type: dict
 '''
 
-EXAMPLES = '''
+EXAMPLES = r'''
 # scaleway_inventory.yml file in YAML format
 # Example command line: ansible-inventory --list -i scaleway_inventory.yml
 
@@ -81,6 +83,15 @@ regions:
   - par1
 variables:
   ansible_host: public_ip.address
+
+# Using static strings as variables
+plugin: community.general.scaleway
+hostnames:
+  - hostname
+variables:
+  ansible_host: public_ip.address
+  ansible_connection: "'ssh'"
+  ansible_user: "'admin'"
 '''
 
 import json
@@ -230,8 +241,7 @@ class InventoryModule(BaseInventoryPlugin, Constructable):
 
         if not matching_tags:
             return set()
-        else:
-            return matching_tags.union((server_zone,))
+        return matching_tags.union((server_zone,))
 
     def _filter_host(self, host_infos, hostname_preferences):