rv = call(["/usr/sbin/xm", "destroy", prefix + machine],
stderr=PIPE)
+def lvm_activation(path, mode):
+ p = Popen(["/sbin/lvchange", "-a%s" % (mode,), path], stdout=PIPE, stderr=PIPE)
+ rv = p.wait()
+ return rv
+
machine_specific = subcommand not in ['lvcreate-all', 'vgcapacity']
if machine_specific:
# Rename the LV to something else so we can wipe it before reusing
# the space
+ if lvm_activation(lvpath, 'n') != 0:
+ print >>sys.stderr, "Could not deactivate LV %s", % (lvname,)
+ sys.exit(1)
while True:
new_lvname = "old_%s_%s" % (lvname, ''.join(random.choice(string.ascii_letters) for i in xrange(6)))
new_lvpath = "/dev/%s/%s" % (vg, new_lvname)
elif rv != 0:
error()
else:
+ if lvm_activation(new_lvpath, 'y') != 0:
+ print >> sys.stderr, "Could not reactivate renamed LV %s" % (lvname,)
+ sys.exit(1)
break
ensureoff(machine)
elif subcommand == "lvresize":
size = sys.argv[4]
ensureoff(machine)
+ if lvm_activation(lvpath, 'n') != 0:
+ print >>sys.stderr, "Could not deactivate LV %s", % (lvname,)
+ sys.exit(1)
p = Popen(["/sbin/lvresize", "-L", size + "M", lvpath],
stdin=PIPE, stderr=PIPE)
print >> p.stdin, 'y'
print >> sys.stderr, "Error resizing LV %s:\n" %(lvname,)
print >> sys.stderr, err
sys.exit(1)
+ if lvm_activation(lvpath, 'y') != 0:
+ print >> sys.stderr, "Could not reactivate resized LV %s" % (lvname,)
+ sys.exit(1)
print >> sys.stderr, err
elif subcommand == "lvrename":
newmachine = sys.argv[4]
newlvname = prefix + newmachine + "_" + disk
ensureoff(machine)
- ensureoff(newmachine)
+ ensureoff(newmachine)
+ lvpath = "/dev/" + vg + "/" + lvname
+ new_lvpath = "/dev/" + vg + "/" + newlvname
+ if lvm_activation(lvpath, 'n') != 0:
+ print >>sys.stderr, "Could not deactivate LV %s", % (lvname,)
+ sys.exit(1)
rv = call(["/sbin/lvrename", vg, lvname, newlvname])
if rv != 0:
print >>sys.stderr, "Error renaming LV %s\n" %(lvname,)
sys.exit(1)
+ if lvm_activation(new_lvpath, 'y') != 0:
+ print >> sys.stderr, "Could not reactivate renamed LV %s" % (lvname,)
+ sys.exit(1)
elif subcommand == "lvcreate":
size = sys.argv[4]
rv = call(["/sbin/lvcreate", "-L", size + "M", "-n", lvname, vg])