fix(registry): retrieve bucket name from etcd

Author: krancour

registry/bin/boot

@@ -51,7 +51,7 @@ until confd -onetime -node $ETCD --confdir /app --log-level error; do
 done
 
 # ensure registry bucket exists
-/app/bin/create_bucket ${BUCKET_NAME}
+/app/bin/create_bucket
 
 # spawn the service in the background
 cd /docker-registry

registry/conf.d/create_bucket.toml

@@ -5,5 +5,6 @@ uid = 0
 gid = 0
 mode  = "0755"
 keys = [
+  "/deis/registry",
   "/deis/store/gateway",
 ]

registry/templates/create_bucket

@@ -11,7 +11,7 @@ conn = boto.connect_s3(
     port={{ getv "/deis/store/gateway/port" }},
     is_secure=False,
     calling_format=OrdinaryCallingFormat())
-name = sys.argv[1]
+name = '{{ getv "/deis/registry/bucketName" }}'
 
 if name not in (bucket.name for bucket in conn.get_all_buckets()):
     conn.create_bucket(name)