adding inventory again

inventory.py

@@ -0,0 +1,62 @@
+#!/usr/bin/python3
+from InventoryBuilder import InventoryBuilder
+from optparse import OptionParser
+import sys
+import os
+
+
+def parse_params():
+    parser = OptionParser()
+    parser.add_option("-u", "--user", help="specify user to log in", action="store", dest="user")
+    parser.add_option("-p", "--password", help="specify password to log in", action="store", dest="password")
+    parser.add_option("-o", "--port", help="specify exporter port", action="store", dest="port")
+    parser.add_option("-a", "--atlas", help="path to atlas configfile", action="store", dest="atlas")
+    parser.add_option("-d", "--debug", help="enable debug", action="store_true", dest="debug", default=False)
+    parser.add_option("-l", "--loopback", help="use 127.0.0.1 address instead of listen to 0.0.0.0",
+                      action="store_true", dest="loopback")
+    parser.add_option("-s", "--sleep", help="specifiy sleep time for inventory builder, default: 1800", action="store",
+                      dest="sleep")
+    (options, args) = parser.parse_args()
+
+    if options.user:
+        os.environ['USER'] = options.user
+    if options.password:
+        os.environ['PASSWORD'] = options.password
+    if options.debug:
+        os.environ['DEBUG'] = "1"
+        print('DEBUG enabled')
+    else:
+        if 'DEBUG' not in os.environ.keys():
+            os.environ['DEBUG'] = "0"
+        else:
+            print('DEBUG enabled')
+    if options.loopback:
+        os.environ['LOOPBACK'] = "1"
+    if options.port:
+        os.environ['PORT'] = options.port
+    if options.atlas:
+        os.environ['ATLAS'] = options.atlas
+    if options.sleep:
+        os.environ['SLEEP'] = options.sleep
+    else:
+        os.environ['SLEEP'] = "1800"
+
+    if "PORT" not in os.environ and not options.port:
+        print("Can't start, please specify port with ENV or -o")
+        sys.exit(0)
+    if "USER" not in os.environ and not options.user:
+        print("Can't start, please specify user with ENV or -u")
+        sys.exit(0)
+    if "PASSWORD" not in os.environ and not options.password:
+        print("Can't start, please specify password with ENV or -p")
+        sys.exit(0)
+    if "ATLAS" not in os.environ and not options.atlas:
+        print("Can't start, please specify atlas with ENV or -a")
+        sys.exit(0)
+
+    return options
+
+
+if __name__ == '__main__':
+    options = parse_params()
+    InventoryBuilder(options.atlas, os.environ['PORT'], os.environ['SLEEP'])