Adding unit demos for the Pie ProxyKmipClient

This change adds a new suite of unit demos for the new Pie
ProxyKmipClient. The demos show how to create the ProxyKmipClient and
how to use all of its primary operations. Demo utilities are updated to
support the new suite.

kmip/demos/pie/create.py

@@ -0,0 +1,58 @@
+# Copyright (c) 2015 The Johns Hopkins University/Applied Physics Laboratory
+# All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+import logging
+import os
+import sys
+
+from kmip.core import enums
+from kmip.demos import utils
+
+from kmip.pie import client
+
+
+if __name__ == '__main__':
+    # Build and parse arguments
+    parser = utils.build_cli_parser(enums.Operation.CREATE)
+    opts, args = parser.parse_args(sys.argv[1:])
+
+    config = opts.config
+    algorithm = opts.algorithm
+    length = opts.length
+
+    # Exit early if the arguments are not specified
+    if algorithm is None:
+        logging.debug('No algorithm provided, exiting early from demo')
+        sys.exit()
+    if length is None:
+        logging.debug("No key length provided, exiting early from demo")
+        sys.exit()
+
+    # Build and setup logging and needed factories
+    f_log = os.path.join(os.path.dirname(__file__), os.pardir, os.pardir,
+                         'logconfig.ini')
+    logging.config.fileConfig(f_log)
+    logger = logging.getLogger(__name__)
+
+    algorithm = getattr(enums.CryptographicAlgorithm, algorithm, None)
+
+    # Build the client and connect to the server
+    with client.ProxyKmipClient(config=config) as client:
+        try:
+            uid = client.create(algorithm, length)
+            logger.info("Successfully created symmetric key with ID: "
+                        "{0}".format(uid))
+        except Exception as e:
+            logger.error(e)