From 268789fc4c1dbf28be2f8629c8f3ba2cb4783de1 Mon Sep 17 00:00:00 2001
From: Joanna Rutkowska <joanna@invisiblethingslab.com>
Date: Thu, 16 Sep 2010 17:52:52 +0200
Subject: [PATCH] dom0/qvm-core/qubes.py: added QubesHost class

---
 dom0/qvm-core/qubes.py | 32 ++++++++++++++++++++++++++------
 1 file changed, 26 insertions(+), 6 deletions(-)

diff --git a/dom0/qvm-core/qubes.py b/dom0/qvm-core/qubes.py
index fefc8feb..e2b6db3a 100755
--- a/dom0/qvm-core/qubes.py
+++ b/dom0/qvm-core/qubes.py
@@ -111,6 +111,32 @@ if not dry_run:
  
 class QubesException (Exception) : pass
 
+
+class QubesHost(object):
+    def __init__(self):
+        self.hosts = xend_session.session.xenapi.host.get_all()
+        self.host_record = xend_session.session.xenapi.host.get_record(self.hosts[0])
+        self.host_metrics_record = xend_session.session.xenapi.host_metrics.get_record(self.host_record["metrics"])
+
+        self.xen_total_mem = self.host_metrics_record["memory_total"]
+        self.xen_no_cpus = len (self.host_record["host_CPUs"])
+
+#        print "QubesHost: total_mem  = {0}B".format (self.xen_total_mem)
+#        print "QubesHost: free_mem   = {0}".format (self.get_free_xen_memory())
+#        print "QubesHost: total_cpus = {0}".format (self.xen_no_cpus)
+
+    @property
+    def memory_total(self):
+        return self.xen_total_mem
+
+    @property
+    def no_cpus(self):
+        return self.xen_no_cpus
+
+    def get_free_xen_memory(self):
+        ret = self.host_metrics_record["memory_free"]
+        return long(ret)
+
 class QubesVmLabel(object):
     def __init__(self, name, index, color = None, icon = None):
         self.name = name
@@ -466,12 +492,6 @@ class QubesVm(object):
         else:
             pass
 
-    def get_free_xen_memory(self):
-        hosts = xend_session.session.xenapi.host.get_all()
-        host_record = xend_session.session.xenapi.host.get_record(hosts[0])
-        host_metrics_record = xend_session.session.xenapi.host_metrics.get_record(host_record["metrics"])
-        ret = host_metrics_record["memory_free"]
-        return long(ret)
 
     def start(self, debug_console = False, verbose = False, preparing_dvm = False):
         if dry_run: