fixes #12831 by updating the boto iam connection method to connect_to_region

lib/ansible/modules/cloud/amazon/iam.py

@@ -574,7 +574,7 @@ def main():
     region, ec2_url, aws_connect_kwargs = get_aws_connection_info(module)
 
     try:
-        iam = boto.iam.connection.IAMConnection(**aws_connect_kwargs)
+        iam = boto.iam.connect_to_region(region, **aws_connect_kwargs)
     except boto.exception.NoAuthHandlerFound, e:
         module.fail_json(msg=str(e))
 

lib/ansible/modules/cloud/amazon/iam_cert.py

@@ -105,6 +105,7 @@ import sys
 try:
     import boto
     import boto.iam
+    import boto.ec2
     HAS_BOTO = True
 except ImportError:
     HAS_BOTO = False
@@ -244,7 +245,7 @@ def main():
     region, ec2_url, aws_connect_kwargs = get_aws_connection_info(module)
 
     try:
-        iam = boto.iam.connection.IAMConnection(**aws_connect_kwargs)
+        iam = boto.iam.connect_to_region(region, **aws_connect_kwargs)
     except boto.exception.NoAuthHandlerFound, e:
         module.fail_json(msg=str(e))
 

lib/ansible/modules/cloud/amazon/iam_policy.py

@@ -305,7 +305,7 @@ def main():
   region, ec2_url, aws_connect_kwargs = get_aws_connection_info(module)
 
   try:
-      iam = boto.iam.connection.IAMConnection(**aws_connect_kwargs)
+      iam = boto.iam.connect_to_region(region, **aws_connect_kwargs)
   except boto.exception.NoAuthHandlerFound, e:
       module.fail_json(msg=str(e))