import sys
import os.path
-from subprocess import call, PIPE
+from subprocess import call, PIPE, Popen
+from invirt.config import structs as config
def check(b):
if not b:
def ensureoff(machine):
# Make sure the machine is off, but we don't care about errors if it is already off.
- rv = call(["/usr/sbin/xm", "destroy", prefix + machine], stderr=PIPE)
+ rv = call(["/usr/sbin/xm", "destroy", prefix + machine],
+ stderr=PIPE)
if subcommand == "lvcreate-all":
- from sipb_xen_database import *
+ from invirt import database
import re
- connect('postgres://sipb-xen@sipb-xen-dev.mit.edu/sipb_xen')
+ database.connect()
for d in Disk.select():
check(re.match('^[A-Za-z0-9]+$', d.guest_device_name))
machine = Machine.get(d.machine_id)
lvname = prefix + machine + "_" + disk
lvpath = "/dev/" + vg + "/" + lvname
if subcommand == "lvremove":
+ def error():
+ print >>sys.stderr, "Error removing LV %s\n" % lvname
+ sys.exit(1)
+ rv = call(["/sbin/lvchange", "-a", "n", lvpath])
+ if rv != 0:
+ error()
+ rv = call(["/sbin/lvchange", "-a", "ey", lvpath])
+ if rv != 0:
+ error()
rv = call(["/sbin/lvremove", "--force", lvpath])
- ensureoff(machine)
if rv != 0:
- print >>sys.stderr, "Error removing LV %s\n" %(lvname,)
- sys.exit(1)
+ error()
+ ensureoff(machine)
elif subcommand == "lvresize":
size = sys.argv[4]
ensureoff(machine)
- rv = call(["/sbin/lvresize", "-L", size + "M", lvpath])
- if rv != 0:
- print >>sys.stderr, "Error resizing LV %s\n" %(lvname,)
+ p = Popen(["/sbin/lvresize", "-L", size + "M", lvpath],
+ stdin=PIPE, stderr=PIPE)
+ print >> p.stdin, 'y'
+ err = p.stderr.read()
+ if p.wait() != 0 and 'matches existing size' not in err:
+ print >> sys.stderr, "Error resizing LV %s:\n" %(lvname,)
+ print >> sys.stderr, err
sys.exit(1)
+ print >> sys.stderr, err
elif subcommand == "lvrename":
newmachine = sys.argv[4]
newlvname = prefix + newmachine + "_" + disk