add cmdparser

cmdparser.py is the parser for the command line tool yardstick

Change-Id: I0a27be35ad21d54d8c5cc7c2ab72aa60ed8f5d1f
JIRA: -
Signed-off-by: Hans Feldt <hans.feldt@ericsson.com>

diff --git a/yardstick/cmdparser.py b/yardstick/cmdparser.py
new file mode 100644 (file)
index 0000000..e8f7703
--- /dev/null
+++ b/yardstick/cmdparser.py
@@ -0,0 +1,71 @@
+##############################################################################
+# Copyright (c) 2015 Ericsson AB and others.
+#
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+##############################################################################
+
+""" Argument parser for yardstick command line tool
+
+"""
+
+import argparse
+import logging
+
+from pkg_resources import get_distribution
+
+
+class CmdParser(argparse.ArgumentParser):
+    def __init__(self):
+        argparse.ArgumentParser.__init__(self)
+
+        self.output_file_default = "/tmp/yardstick.out"
+        self._version = "yardstick version %s " % \
+            get_distribution('yardstick').version
+
+        self.__add_arguments()
+
+    def __add_arguments(self):
+        self.add_argument("-d", "--debug",
+                          help="increase output verbosity to debug",
+                          action="store_true")
+
+        self.add_argument("-v", "--verbose",
+                          help="increase output verbosity to info",
+                          action="store_true")
+
+        self.add_argument("-V", "--version",
+                          help="display version",
+                          version=self._version,
+                          action="version")
+
+        self.add_argument("--keep-deploy",
+                          help="keep context deployed in cloud",
+                          action="store_true")
+
+        self.add_argument("--parse-only",
+                          help="parse the benchmark config file and exit",
+                          action="store_true")
+
+        self.add_argument("--output-file",
+                          help="file where output is stored, default %s" %
+                          self.output_file_default,
+                          default=self.output_file_default)
+
+        self.add_argument("taskfile", type=str,
+                          help="path to taskfile", nargs=1)
+
+    def parse_args(self):
+        args = argparse.ArgumentParser.parse_args(self)
+
+        logger = logging.getLogger('yardstick')
+
+        logger.setLevel(logging.WARNING)
+        if args.verbose:
+            logger.setLevel(logging.INFO)
+        if args.debug:
+            logger.setLevel(logging.DEBUG)
+
+        return args