Add user_data and config_drive support

cloud/rax

@@ -31,7 +31,18 @@ options:
         created servers. Only applicable when used with the I(group) attribute
         or meta key.
     default: yes
+    choices:
+      - "yes"
+      - "no"
     version_added: 1.5
+  config_drive:
+    description:
+      - Attach read-only configuration drive to server as label config-2
+    default: no
+    choices:
+      - "yes"
+      - "no"
+    version_added: 1.7
   count:
     description:
       - number of instances to launch
@@ -55,6 +66,9 @@ options:
       - Explicitly ensure an exact count of instances, used with
         state=active/present
     default: no
+    choices:
+      - "yes"
+      - "no"
     version_added: 1.4
   extra_client_args:
     description:
@@ -119,6 +133,11 @@ options:
       - present
       - absent
     default: present
+  user_data:
+    description:
+      - Data to be uploaded to the servers config drive. This option implies
+        I(config_drive)
+    version_added: 1.7
   wait:
     description:
       - wait for the instance to be in state 'running' before returning
@@ -216,17 +235,29 @@ def server_to_dict(obj):
 
 def create(module, names, flavor, image, meta, key_name, files,
            wait, wait_timeout, disk_config, group, nics,
-           extra_create_args, existing=[]):
+           extra_create_args, user_data, config_drive, existing=[]):
 
     cs = pyrax.cloudservers
     changed = False
 
-    # Handle the file contents
+    if user_data:
+        config_drive = True
+
+    if user_data and os.path.isfile(user_data):
+        try:
+            f = open(user_data)
+            user_data = f.read()
+            f.close()
+        except Exception, e:
+            module.fail_json(msg='Failed to load %s' % user_data)
+
+     # Handle the file contents
     for rpath in files.keys():
         lpath = os.path.expanduser(files[rpath])
         try:
             fileobj = open(lpath, 'r')
             files[rpath] = fileobj.read()
+            fileobj.close()
         except Exception, e:
             module.fail_json(msg='Failed to load %s' % lpath)
     try:
@@ -237,6 +268,8 @@ def create(module, names, flavor, image, meta, key_name, files,
                                              key_name=key_name,
                                              files=files, nics=nics,
                                              disk_config=disk_config,
+                                             config_drive=config_drive,
+                                             userdata=user_data,
                                              **extra_create_args))
     except Exception, e:
         module.fail_json(msg='%s' % e.message)
@@ -382,7 +415,7 @@ def delete(module, instance_ids, wait, wait_timeout, kept=[]):
 def cloudservers(module, state, name, flavor, image, meta, key_name, files,
                  wait, wait_timeout, disk_config, count, group,
                  instance_ids, exact_count, networks, count_offset,
-                 auto_increment, extra_create_args):
+                 auto_increment, extra_create_args, user_data, config_drive):
     cs = pyrax.cloudservers
     cnw = pyrax.cloud_networks
     if not cnw:
@@ -596,7 +629,7 @@ def cloudservers(module, state, name, flavor, image, meta, key_name, files,
 
         create(module, names, flavor, image, meta, key_name, files,
                wait, wait_timeout, disk_config, group, nics, extra_create_args,
-               existing=servers)
+               user_data, config_drive, existing=servers)
 
     elif state == 'absent':
         if instance_ids is None:
@@ -637,6 +670,7 @@ def main():
     argument_spec.update(
         dict(
             auto_increment=dict(default=True, type='bool'),
+            config_drive=dict(default=False, type='bool'),
             count=dict(default=1, type='int'),
             count_offset=dict(default=1, type='int'),
             disk_config=dict(choices=['auto', 'manual']),
@@ -654,6 +688,7 @@ def main():
             networks=dict(type='list', default=['public', 'private']),
             service=dict(),
             state=dict(default='present', choices=['present', 'absent']),
+            user_data=dict(no_log=True),
             wait=dict(default=False, type='bool'),
             wait_timeout=dict(default=300),
         )
@@ -675,6 +710,7 @@ def main():
                              'playbook pertaining to the "rax" module')
 
     auto_increment = module.params.get('auto_increment')
+    config_drive = module.params.get('config_drive')
     count = module.params.get('count')
     count_offset = module.params.get('count_offset')
     disk_config = module.params.get('disk_config')
@@ -693,6 +729,7 @@ def main():
     name = module.params.get('name')
     networks = module.params.get('networks')
     state = module.params.get('state')
+    user_data = module.params.get('user_data')
     wait = module.params.get('wait')
     wait_timeout = int(module.params.get('wait_timeout'))
 
@@ -714,7 +751,7 @@ def main():
     cloudservers(module, state, name, flavor, image, meta, key_name, files,
                  wait, wait_timeout, disk_config, count, group,
                  instance_ids, exact_count, networks, count_offset,
-                 auto_increment, extra_create_args)
+                 auto_increment, extra_create_args, user_data, config_drive)
 
 
 # import module snippets