swift: Add support for Swift API v1 (without Keystone)

This commit also add a workaround for bug/feature[1]
the password is changed every time :-)

[1]https://github.com/ccollicutt/docker-swift-onlyone/commit/c9f5e41b745eee18e7ddc807481bc9729d8cdac0

.swift.sh

@@ -1,6 +1,6 @@
-export OS_AUTH_URL=http://127.0.0.1:8181/v2.0/
-export OS_USERNAME=user_test
-export OS_PASSWORD=tester
-export OS_TENANT_NAME=testing
+export ST_AUTH=http://127.0.0.1:8181/auth/v1.0
+export ST_USER=test:tester
+ID=`docker run -d -p 8080:8080 serverascode/swift-onlyone`
+sleep 10 # Give the script that change the passwords some time
+export ST_KEY=`docker logs $ID | grep "user_test_tester =" | cut -d " " -f 3`
 pip install python-keystoneclient python-swiftclient
-docker run -d -p 8080:8080 serverascode/swift-onlyone

system/swift_lib.py

@@ -15,6 +15,13 @@ try:
         account_username = "%s:%s" % (auth_tenant, auth_username)
         swift_conn = swiftclient.Connection(auth_url, account_username,
                                             auth_password, auth_version=2)
+    elif 'ST_USER' in os.environ and 'ST_KEY' in os.environ:
+        auth_username = os.environ.get('ST_USER')
+        auth_password = os.environ.get('ST_KEY')
+        auth_url = os.environ.get('ST_AUTH')
+        # Using auth version 1 (/auth/v1.0)
+        swift_conn = swiftclient.Connection(auth_url, auth_username,
+                                            auth_password, auth_version=1)
     else:
         swift_conn = None
 except ImportError: