From a45b31290769c16fc24e4fbfb4956aa7c65b8bb9 Mon Sep 17 00:00:00 2001
From: John Jarvis <jarv@edx.org>
Date: Thu, 2 May 2013 21:29:36 -0400
Subject: [PATCH] changing arg name for consistency, absent/present for
 registration

---
 library/cloud/ec2_elb | 36 ++++++++++++++++++------------------
 1 file changed, 18 insertions(+), 18 deletions(-)

diff --git a/library/cloud/ec2_elb b/library/cloud/ec2_elb
index 8259bf3e2e..d656f1b27a 100644
--- a/library/cloud/ec2_elb
+++ b/library/cloud/ec2_elb
@@ -28,7 +28,7 @@ version_added: "1.2"
 requirements: [ "boto" ]
 author: John Jarvis
 options:
-  action:
+  state:
     description:
       - register or deregister the instance
     required: true
@@ -38,7 +38,7 @@ options:
       - EC2 Instance ID
     required: true
 
-  elb_names:
+  ec2_elbs:
     description:
       - List of ELB names, required for registration. The elb_ec2 fact should be used if there was a previous de-register.
     required: false
@@ -65,7 +65,7 @@ pre_tasks:
     local_action: ec2_elb
     args:
       instance_id: "{{ ansible_ec2_instance_id }}"
-      action: 'deregister'
+      state: 'absent'
 roles:
   - myrole
 post_tasks:
@@ -73,8 +73,8 @@ post_tasks:
     local_action: ec2_elb
     args:
       instance_id: "{{ ansible_ec2_instance_id }}"
-      elb_names: "{{ ec2_elbs }}"
-      action: 'register'
+      ec2_elbs: "{{ ec2_elbs }}"
+      state: 'present'
 """
 
 import time
@@ -91,13 +91,13 @@ except ImportError:
 class ElbManager:
     """Handles EC2 instance ELB registration and de-registration"""
 
-    def __init__(self, module, instance_id=None, elb_names=None,
+    def __init__(self, module, instance_id=None, ec2_elbs=None,
                  ec2_access_key=None, ec2_secret_key=None):
         self.ec2_access_key = ec2_access_key
         self.ec2_secret_key = ec2_secret_key
         self.module = module
         self.instance_id = instance_id
-        self.lbs = self._get_instance_lbs(elb_names)
+        self.lbs = self._get_instance_lbs(ec2_elbs)
         # if there are no ELBs to operate on
         # there will be no changes made
         if len(self.lbs) > 0:
@@ -133,7 +133,7 @@ class ElbManager:
             else:
                 time.sleep(1)
 
-    def _get_instance_lbs(self, elb_names=None):
+    def _get_instance_lbs(self, ec2_elbs=None):
         """Returns a list of ELBs attached to self.instance_id"""
 
         try:
@@ -142,8 +142,8 @@ class ElbManager:
             self.module.fail_json(msg=str(e))
         elbs = elb.get_all_load_balancers()
 
-        if elb_names:
-            lbs = sorted(lb for lb in elbs if lb.name in elb_names)
+        if ec2_elbs:
+            lbs = sorted(lb for lb in elbs if lb.name in ec2_elbs)
         else:
             lbs = []
             for lb in elbs:
@@ -157,10 +157,10 @@ def main():
 
     module = AnsibleModule(
         argument_spec=dict(
-            action={'required': True,
-                    'choices': ['register', 'deregister']},
+            state={'required': True,
+                    'choices': ['present', 'absent']},
             instance_id={'required': True},
-            elb_names={'default': None, 'required': False},
+            ec2_elbs={'default': None, 'required': False},
             ec2_secret_key={'default': None, 'aliases': ['EC2_SECRET_KEY']},
             ec2_access_key={'default': None, 'aliases': ['EC2_ACCESS_KEY']}
         )
@@ -168,9 +168,9 @@ def main():
 
     ec2_secret_key = module.params['ec2_secret_key']
     ec2_access_key = module.params['ec2_access_key']
-    elb_names = module.params['elb_names']
+    ec2_elbs = module.params['ec2_elbs']
 
-    if module.params['action'] == 'register' and 'elb_names' not in module.params:
+    if module.params['state'] == 'register' and 'ec2_elbs' not in module.params:
         module.fail_json(msg="ELBs are required for registration")
 
     if not ec2_secret_key and 'EC2_SECRET_KEY' in os.environ:
@@ -179,12 +179,12 @@ def main():
         ec2_access_key = os.environ['EC2_ACCESS_KEY']
 
     instance_id = module.params['instance_id']
-    elb_man = ElbManager(module, instance_id, elb_names, ec2_access_key,
+    elb_man = ElbManager(module, instance_id, ec2_elbs, ec2_access_key,
                          ec2_secret_key)
 
-    if module.params['action'] == 'register':
+    if module.params['state'] == 'register':
         elb_man.register()
-    elif module.params['action'] == 'deregister':
+    elif module.params['state'] == 'deregister':
         elb_man.deregister()
 
     ansible_facts = {'ec2_elbs': [lb.name for lb in elb_man.lbs]}