Fix non-matching defaults in docs (#5446)

* Allow to pass options as lookup options.

* Adjust tests.

* Fix non-matching defaults.

plugins/modules/cloud/rackspace/rax.py

@@ -82,17 +82,20 @@ options:
     default: false
   extra_client_args:
     type: dict
+    default: {}
     description:
       - A hash of key/value pairs to be used when creating the cloudservers
         client. This is considered an advanced option, use it wisely and
         with caution.
   extra_create_args:
     type: dict
+    default: {}
     description:
       - A hash of key/value pairs to be used when creating a new server.
         This is considered an advanced option, use it wisely and with caution.
   files:
     type: dict
+    default: {}
     description:
       - Files to insert into the instance. remotefilename:localcontent
   flavor:
@@ -124,6 +127,7 @@ options:
       - keypair
   meta:
     type: dict
+    default: {}
     description:
       - A hash of metadata to associate with the instance
   name:

plugins/modules/cloud/rackspace/rax_cbs.py

@@ -26,6 +26,7 @@ options:
         C(name). This option requires C(pyrax>=1.9.3).
   meta:
     type: dict
+    default: {}
     description:
       - A hash of metadata to associate with the volume.
   name:

plugins/modules/cloud/rackspace/rax_clb.py

@@ -28,6 +28,7 @@ options:
     default: LEAST_CONNECTIONS
   meta:
     type: dict
+    default: {}
     description:
       - A hash of metadata to associate with the instance
   name:

plugins/modules/cloud/rackspace/rax_files.py

@@ -27,6 +27,7 @@ options:
       - The container to use for container or metadata operations.
   meta:
     type: dict
+    default: {}
     description:
       - A hash of items to set as metadata values on a container
   private:

plugins/modules/cloud/rackspace/rax_files_objects.py

@@ -38,6 +38,7 @@ options:
       - Used to set an expiration in seconds on an uploaded file or folder.
   meta:
     type: dict
+    default: {}
     description:
       - Items to set as metadata values on an uploaded file or folder.
   method:

plugins/modules/cloud/rackspace/rax_meta.py

@@ -30,6 +30,7 @@ options:
       - Server name to modify metadata for
   meta:
     type: dict
+    default: {}
     description:
       - A hash of metadata to associate with the instance
 author: "Matt Martz (@sivel)"

plugins/modules/cloud/rackspace/rax_mon_check.py

@@ -87,6 +87,7 @@ options:
       I(ip_addresses) hash to resolve an IP address to target.
   details:
     type: dict
+    default: {}
     description:
     - Additional details specific to the check type. Must be a hash of strings
       between 1 and 255 characters long, or an array or object containing 0 to
@@ -98,6 +99,7 @@ options:
     default: false
   metadata:
     type: dict
+    default: {}
     description:
     - Hash of arbitrary key-value pairs to accompany this check if it fires.
       Keys and values must be strings between 1 and 255 characters long.

plugins/modules/cloud/rackspace/rax_mon_entity.py

@@ -38,6 +38,7 @@ options:
       bound. Necessary to collect C(agent.) rax_mon_checks against this entity.
   named_ip_addresses:
     type: dict
+    default: {}
     description:
     - Hash of IP addresses that may be referenced by name by rax_mon_checks
       added to this entity. Must be a dictionary of with keys that are names
@@ -45,6 +46,7 @@ options:
       addresses.
   metadata:
     type: dict
+    default: {}
     description:
     - Hash of arbitrary C(name), C(value) pairs that are passed to associated
       rax_mon_alarms. Names and values must all be between 1 and 255 characters

plugins/modules/cloud/rackspace/rax_scaling_group.py

@@ -37,6 +37,7 @@ options:
       - manual
   files:
     type: dict
+    default: {}
     description:
       - 'Files to insert into the instance. Hash of C(remotepath: localpath)'
   flavor:
@@ -66,6 +67,7 @@ options:
     required: true
   meta:
     type: dict
+    default: {}
     description:
       - A hash of metadata to associate with the instance
   min_entities: