Switch to green DNS host resolution

The stock getaddrinfo can hang up all of confluent if misbehaving.
Patch pyghmi and switch to using greendns in confluent internal lookups.

confluent_server/confluent/lookuptools.py

@@ -27,7 +27,7 @@ __author__ = 'jjohnson2'
 
 import confluent.config.configmanager as configmanager
 import itertools
-import socket
+from eventlet.support import greendns
 
 manager_to_nodemap = {}
 
@@ -46,7 +46,7 @@ def node_by_manager(manager):
     """
 
     manageraddresses = []
-    for tmpaddr in socket.getaddrinfo(manager, None):
+    for tmpaddr in greendns.getaddrinfo(manager, None):
         manageraddresses.append(tmpaddr[4][0])
     cfm = configmanager.ConfigManager(None)
     if manager in manager_to_nodemap:
@@ -67,7 +67,7 @@ def node_by_manager(manager):
         if currhm in manageraddresses:
             manager_to_nodemap[manager] = node
             return node
-        for curraddr in socket.getaddrinfo(currhm, None):
+        for curraddr in greendns.getaddrinfo(currhm, None):
             curraddr = curraddr[4][0]
             if curraddr in manageraddresses:
                 manager_to_nodemap[manager] = node

confluent_server/confluent/plugins/hardwaremanagement/ipmi.py

@@ -23,6 +23,7 @@ import eventlet.event
 import eventlet.green.threading as threading
 import eventlet.greenpool as greenpool
 import eventlet.queue as queue
+import eventlet.support.greendns
 import pyghmi.constants as pygconstants
 import pyghmi.exceptions as pygexc
 console = eventlet.import_patched('pyghmi.ipmi.console')
@@ -31,6 +32,7 @@ import socket
 
 console.session.select = eventlet.green.select
 console.session.threading = eventlet.green.threading
+console.session.socket.getaddrinfo = eventlet.support.greendns.getaddrinfo
 
 
 def exithandler():
@@ -854,7 +856,7 @@ class IpmiHandler(object):
                     if self.element[-1] == 'all':
                         servers = self.inputdata.ntp_servers(self.node)
                         for idx in servers:
-                            self.ipmicmd.set_ntp_server(server[idx],
+                            self.ipmicmd.set_ntp_server(servers[idx],
                                                         int(idx[-1])-1)
                         return
                     else:

confluent_server/confluent_server.spec.tmpl

@@ -12,7 +12,7 @@ Group: Development/Libraries
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-buildroot
 Prefix: %{_prefix}
 BuildArch: noarch
-Requires: python-pyghmi, python-eventlet, python-greenlet, python-crypto >= 2.6.1, confluent_client, pyparsing, python-paramiko
+Requires: python-pyghmi, python-eventlet, python-greenlet, python-crypto >= 2.6.1, confluent_client, pyparsing, python-paramiko, python-dnspython
 Vendor: Jarrod Johnson <jjohnson2@lenovo.com>
 Url: http://xcat.sf.net/