Add flags option for dokku_service_link

README.md

@@ -592,6 +592,7 @@ Links and unlinks a given service to an application
 |Parameter|Choices/Defaults|Comments|
 |---------|----------------|--------|
 |app<br /><sup>*required*</sup>||The name of the app|
+|flags|*Default:* {}|The flags for the service|
 |name<br /><sup>*required*</sup>||The name of the service|
 |service<br /><sup>*required*</sup>||The type of service to link|
 |state|*Choices:* <ul><li>**present** (default)</li><li>absent</li></ul>|The state of the service link|
@@ -604,6 +605,8 @@ Links and unlinks a given service to an application
     app: hello-world
     name: default
     service: redis
+    flags:
+      alias: BLUE_DATABASE
 
 - name: redis:unlink default hello-world
   dokku_service_link:

library/dokku_service_link.py

@@ -1,6 +1,8 @@
 #!/usr/bin/python
 # -*- coding: utf-8 -*-
 # from ansible.module_utils.basic import *
+import pipes
+
 from ansible.module_utils.basic import AnsibleModule
 import subprocess
 
@@ -27,6 +29,12 @@
     required: True
     default: null
     aliases: []
+  flags:
+    description:
+      - The flags for the service
+    required: False
+    default: {}
+    aliases: []
   state:
     description:
       - The state of the service link
@@ -44,6 +52,8 @@
     app: hello-world
     name: default
     service: redis
+    flags:
+      alias: BLUE_DATABASE
 
 - name: redis:unlink default hello-world
   dokku_service_link:
@@ -150,8 +160,12 @@ def dokku_service_link_present(data):
         is_error = False
         return (is_error, has_changed, meta)
 
-    command = "dokku --quiet {0}:link {1} {2}".format(
-        data["service"], data["name"], data["app"]
+    values = []
+    for key, value in data["flags"].items():
+        values.append('--{0}={1}'.format(key, pipes.quote(value)))
+
+    command = "dokku --quiet {0}:link {1} {2} {3}".format(
+        data["service"], data["name"], data["app"], " ".join(values)
     )
     try:
         subprocess.check_call(command, shell=True)