missing datacenter cli implementation

diff --git a/emuvim/cli/datacenter.py b/emuvim/cli/datacenter.py
new file mode 100644 (file)
index 0000000..c3850fc
--- /dev/null
+++ b/emuvim/cli/datacenter.py
@@ -0,0 +1,66 @@
+"""
+son-emu datacenter CLI
+(c) 2016 by Manuel Peuster <manuel.peuster@upb.de>
+"""
+
+import argparse
+import pprint
+from tabulate import tabulate
+import zerorpc
+
+
+pp = pprint.PrettyPrinter(indent=4)
+
+
+class ZeroRpcClient(object):
+
+    def __init__(self):
+        self.c = zerorpc.Client()
+        self.c.connect("tcp://127.0.0.1:4242")  # TODO hard coded for now. we'll change this later
+        self.cmds = {}
+
+    def execute_command(self, args):
+        if getattr(self, args["command"]) is not None:
+            # call the local method with the same name as the command arg
+            getattr(self, args["command"])(args)
+        else:
+            print "Command not implemented."
+
+    def list(self, args):
+        r = self.c.datacenter_list()
+        table = []
+        for d in r:
+            # for each dc add a line to the output table
+            if len(d) > 0:
+                table.append([d.get("label"),
+                              d.get("internalname"),
+                              d.get("switch"),
+                              d.get("n_running_containers"),
+                              len(d.get("metadata"))])
+        headers = ["Label",
+                   "Internal Name",
+                   "Switch",
+                   "# Containers",
+                   "# Metadata Items"]
+        print tabulate(table, headers=headers, tablefmt="grid")
+
+    def status(self, args):
+        r = self.c.datacenter_status(
+            args.get("datacenter"))
+        pp.pprint(r)
+
+
+parser = argparse.ArgumentParser(description='son-emu datacenter')
+parser.add_argument(
+    "command",
+    choices=['list', 'status'],
+    help="Action to be executed.")
+parser.add_argument(
+    "--datacenter", "-d", dest="datacenter",
+    help="Data center to which the command should be applied.")
+
+
+def main(argv):
+    args = vars(parser.parse_args(argv))
+    c = ZeroRpcClient()
+    c.execute_command(args)