From: Peter Iannucci <iannucci@mit.edu>
Date: Fri, 13 Feb 2009 04:26:48 +0000 (-0500)
Subject: Clean-up suggestions from price.  Whitespace fixes.
X-Git-Tag: 0.3.3^0
X-Git-Url: http://xvm.mit.edu/gitweb/invirt/packages/invirt-remote.git/commitdiff_plain/7339891c2377d09611ba01b2f2496ae3aa151329

Clean-up suggestions from price.  Whitespace fixes.

svn path=/trunk/packages/invirt-remote/; revision=2107
---

diff --git a/debian/changelog b/debian/changelog
index cbd414b..c346af3 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,8 +1,9 @@
 invirt-remote (0.3.3) unstable; urgency=low
 
   * added remctl web availability to calculate memory available to new VMs
+  * removed remctl web info
 
- -- Peter A. Iannucci <iannucci@mit.edu>  Thu, 12 Feb 2009 23:10:31 -0500
+ -- Peter A. Iannucci <iannucci@mit.edu>  Thu, 12 Feb 2009 23:26:24 -0500
 
 invirt-remote (0.3.2) unstable; urgency=low
 
diff --git a/host/usr/sbin/invirt-availability b/host/usr/sbin/invirt-availability
index 2afd5ea..93ef381 100644
--- a/host/usr/sbin/invirt-availability
+++ b/host/usr/sbin/invirt-availability
@@ -13,19 +13,23 @@ def parseUnits(s):
     return int(num) * {'kb':1, 'mb':1024}[unit.lower()]
 
 def main(argv):
+    """
+    Calculate the amount of memory available for new VMs
+    The numbers returned by xm info and xm info -c are in MB
+    The numbers in /proc/xen/balloon have nice units
+    All math is done in kilobytes for consistency
+    Output is in MB
+    """
     p = Popen(['/usr/sbin/xm', 'info'], stdout=PIPE)
     output = p.communicate()[0]
     if p.returncode != 0:
         raise RuntimeError("Command '%s' returned non-zero exit status %d"
-                           % ('invirt-availability', p.returncode)) 
+                           % ('/usr/sbin/xm info', p.returncode)) 
     xminfo = yaml.load(output, yaml.CSafeLoader)
 
-    # In kilobytes
     free_memory = int(xminfo['free_memory']) * 1024
 
-    f = open('/proc/xen/balloon', 'r')
-    ballooninfo = yaml.load(f.read())
-    f.close()
+    ballooninfo = yaml.load(open('/proc/xen/balloon', 'r').read())
     currentallocation = parseUnits(ballooninfo['Current allocation'])
     minimumtarget = parseUnits(ballooninfo['Minimum target'])
 
@@ -33,7 +37,7 @@ def main(argv):
     output = p.communicate()[0]
     if p.returncode != 0:
         raise RuntimeError("Command '%s' returned non-zero exit status %d"
-                           % ('invirt-availability', p.returncode)) 
+                           % ('/usr/sbin/xm info -c', p.returncode)) 
     xminfoc = yaml.load(output, yaml.CSafeLoader)
 
     # In kilobytes
diff --git a/host/usr/sbin/invirt-remote b/host/usr/sbin/invirt-remote
index 948d0f0..931ec4e 100755
--- a/host/usr/sbin/invirt-remote
+++ b/host/usr/sbin/invirt-remote
@@ -11,17 +11,14 @@ case "$TYPE" in
     control)
         # $SERVICE is hostname
         COMMAND=/usr/sbin/invirt-vmcontrol
-	;;
+    ;;
     web)
         case "$SERVICE" in
             lvcreate|lvremove|lvrename|lvresize)
                 COMMAND=/usr/sbin/invirt-lvm
-	        ;;
+            ;;
             listvms)
                 COMMAND=/usr/sbin/invirt-listvms
-	        ;;
-	        info)
-                COMMAND=/usr/sbin/xm
             ;;
             availability)
                 COMMAND=/usr/sbin/invirt-availability
@@ -34,7 +31,7 @@ case "$TYPE" in
                 exit 34
                 ;;
         esac
-	;;
+    ;;
     *)
         echo "ERROR: invalid command"
         exit 34