added 'extensions' options to include_vars

This allows users to override default 'extensions read' when using the dir option

lib/ansible/modules/utilities/logic/include_vars.py

@@ -18,8 +18,7 @@ author: "Allen Sanabria (@linuxdynasty)"
 module: include_vars
 short_description: Load variables from files, dynamically within a task.
 description:
-     - Loads variables from a YAML/JSON files dynamically from within a file or
-       from a directory recursively during task runtime. If loading a directory, the files are sorted alphabetically before being loaded.
+     - Loads variables from a YAML/JSON files dynamically from within a file or from a directory recursively during task runtime. If loading a directory, the files are sorted alphabetically before being loaded.
 version_added: "1.4"
 options:
   file:
@@ -41,66 +40,78 @@ options:
   depth:
     version_added: "2.2"
     description:
-      - By default, this module will recursively go through each sub directory and load up the variables. By explicitly setting the depth, this module will only go as deep as the depth.
+      - When using C(dir), this module will, by default, recursively go through each sub directory and load up the variables.
+        By explicitly setting the depth, this module will only go as deep as the depth.
     default: 0
   files_matching:
     version_added: "2.2"
     description:
-      - Limit the variables that are loaded within any directory to this regular expression.
+      - Limit the files that are loaded within any directory to this regular expression.
     default: null
   ignore_files:
     version_added: "2.2"
     description:
-      - List of file names to ignore. The defaults can not be overridden, but can be extended.
+      - List of file names to ignore.
     default: null
+  extensions:
+    version_added: "2.3"
+    description:
+      - List of file extensions to read when using C(dir).
+    default: ['yaml', 'yml', 'json']
+    required: False
   free-form:
     description:
         - This module allows you to specify the 'file' option directly w/o any other options.
+          There is no 'free-form' option, this is just an indicator, see example below.
 '''
 
 EXAMPLES = """
-# Include vars of stuff.yml into the 'stuff' variable (2.2).
-- include_vars:
+- name: Include vars of stuff.yml into the 'stuff' variable (2.2).
+  include_vars:
     file: stuff.yml
     name: stuff
 
-# Conditionally decide to load in variables into 'plans' when x is 0, otherwise do not. (2.2)
-- include_vars:
+- name: Conditionally decide to load in variables into 'plans' when x is 0, otherwise do not. (2.2)
+  include_vars:
     file: contingency_plan.yml
     name: plans
   when: x == 0
 
-# Load a variable file based on the OS type, or a default if not found.
-- include_vars: "{{ item }}"
+- name: Load a variable file based on the OS type, or a default if not found. Using free-form to specify the file.
+  include_vars: "{{ item }}"
   with_first_found:
     - "{{ ansible_distribution }}.yml"
     - "{{ ansible_os_family }}.yml"
     - "default.yml"
 
-# bare include (free-form)
-- include_vars: myvars.yml
+- name: bare include (free-form)
+  include_vars: myvars.yml
 
-# Include all yml files in vars/all and all nested directories
-- include_vars:
+- name: Include all .json and .jsn files in vars/all and all nested directories (2.3)
+  include_vars:
     dir: 'vars/all'
+    extensions:
+        - json
+        - jsn
 
-# Include all yml files in vars/all and all nested directories and save the output in test.
-- include_vars:
+- name: Include all default extension files in vars/all and all nested directories and save the output in test. (2.2)
+  include_vars:
     dir: 'vars/all'
     name: test
 
-# Include all yml files in vars/services
-- include_vars:
+- name: Include default extension files in vars/services (2.2)
+  include_vars:
     dir: 'vars/services'
     depth: 1
 
-# Include only bastion.yml files
-- include_vars:
+- name: Include only files matching bastion.yml (2.2)
+  include_vars:
     dir: 'vars'
     files_matching: 'bastion.yml'
 
-# Include only all yml files exception bastion.yml
-- include_vars:
+- name: Include all .yml files except bastion.yml (2.3)
+  include_vars:
     dir: 'vars'
     ignore_files: 'bastion.yml'
+    extensions: ['yml']
 """