Add IP address to the list column

ChangeLog

@@ -1,6 +1,7 @@
 CHANGES
 =======
 
+* Add dump config options
 * Add directory options to update multiply slaves at once
 * Ensure force reservation is only for not reserved nodes
 * Add force reserve without specific node

devnest/lib/cli.py

@@ -51,9 +51,9 @@ class Action(object):
 class Columns(object):
     """Enumeration for the columns."""
     (HOST, STATE, RAM, CPU, RESERVED, UNTIL, GROUPS,
-     CAPABILITIES) = range(8)
+     CAPABILITIES, IP_ADDRESS) = range(9)
 
-    DEFAULT = 'host,state,ram,cpu,reserved,until'
+    DEFAULT = 'host,state,ram,cpu,reserved,until,ip_address'
     DEFAULT_JSON = 'state,host'
 
     @staticmethod
@@ -78,6 +78,7 @@ def to_str(column):
             Columns.UNTIL: 'Reserved until',
             Columns.GROUPS: 'Groups',
             Columns.CAPABILITIES: 'Capabilities',
+            Columns.IP_ADDRESS: 'IP Address',
         }[column]
 
     @staticmethod
@@ -92,6 +93,7 @@ def to_data(node, column):
             Columns.GROUPS: ",".join(sorted(
                                      node.node_details.get_node_labels())),
             Columns.CAPABILITIES: node.node_details.get_capabilities(),
+            Columns.IP_ADDRESS: node.get_node_ip_address(),
         }[column]
 
 

devnest/lib/node.py

@@ -25,6 +25,7 @@
 
 import json
 import re
+import socket
 import time
 
 LOG = logger.LOG
@@ -507,6 +508,25 @@ def get_node_status_str(self):
 
         return "Unknown"
 
+    def get_node_ip_address(self):
+        """Return IP address of the node.
+
+        Returns:
+            (:obj:`str`): node IP address or empty string
+        """
+        ip_address = None
+        description = self.node_data.get('description')
+        ip_address = re.findall(r'[0-9]+(?:\.[0-9]+){3}', description)
+
+        if ip_address and len(ip_address) == 1:
+            try:
+                socket.inet_aton(ip_address[0])
+                ip_address = ip_address[0]
+            except socket.error:
+                ip_address = ""
+
+        return ip_address
+
     def get_name(self):
         """Return name of the node.