From 1852192c75365b4286af357aa36de3fd01cd00c1 Mon Sep 17 00:00:00 2001
From: troymc <troy@ascribe.io>
Date: Tue, 29 Mar 2016 18:52:57 +0200
Subject: [PATCH] Use require=True in create_hostlist.py

---
 deploy-cluster-aws/create_hostlist.py | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/deploy-cluster-aws/create_hostlist.py b/deploy-cluster-aws/create_hostlist.py
index 0f5253a3..4610c750 100644
--- a/deploy-cluster-aws/create_hostlist.py
+++ b/deploy-cluster-aws/create_hostlist.py
@@ -10,16 +10,12 @@ AWS_SECRET_ACCESS_KEY = os.environ['AWS_SECRET_ACCESS_KEY']
 AWS_REGION = os.environ['AWS_REGION']
 
 parser = argparse.ArgumentParser()
-parser.add_argument("--tag", help="tag instances in aws")
+parser.add_argument("--tag",
+                    help="tag instances in aws",
+                    required=True)
 args = parser.parse_args()
 
-if args.tag:
-    tag = args.tag
-else:
-    # reading credentials from config for remote connection
-    print('usage: python create_hostlist.py --tag <tag>')
-    print('reason: tag missing!!!')
-    exit(1)
+tag = args.tag
 
 # Connect to Amazon EC2
 ec2 = boto3.resource(service_name='ec2',