Allowing manual configuration of Public IP attribute for LinuxNode

[nepi.git] / src / nepi / resources / linux / node.py

diff --git a/src/nepi/resources/linux/node.py b/src/nepi/resources/linux/node.py
index fce5e6d..72af978 100644 (file)
--- a/src/nepi/resources/linux/node.py
+++ b/src/nepi/resources/linux/node.py
@@ -28,6 +28,7 @@ import collections
 import os
 import random
 import re
+import socket
 import tempfile
 import time
 import threading
@@ -194,6 +195,10 @@ class LinuxNode(ResourceManager):
         gateway = Attribute("gateway", "Hostname of the gateway machine",
                 flags = Flags.Design)
 
+        ip = Attribute("ip", "Linux host public IP address. "
+                   "Must not be modified by the user unless hostname is 'localhost'",
+                    flags = Flags.Design)
+
         cls._register_attribute(hostname)
         cls._register_attribute(username)
         cls._register_attribute(port)
@@ -206,6 +211,7 @@ class LinuxNode(ResourceManager):
         cls._register_attribute(tear_down)
         cls._register_attribute(gateway_user)
         cls._register_attribute(gateway)
+        cls._register_attribute(ip)
 
     def __init__(self, ec, guid):
         super(LinuxNode, self).__init__(ec, guid)
@@ -361,6 +367,15 @@ class LinuxNode(ResourceManager):
 
         self.mkdir(paths)
 
+        # Get Public IP address
+        if not self.get("ip"):
+            if self.localhost:
+                ip = socket.gethostbyname(socket.gethostname())
+            else:
+                ip = socket.gethostbyname(self.get("hostname"))
+
+            self.set("ip", ip)
+
         super(LinuxNode, self).do_provision()
 
     def do_deploy(self):