+++ /dev/null
-#!/usr/bin/env python
-
-import sys
-import os.path
-from subprocess import call, PIPE, Popen
-from invirt.config import structs as config
-
-def check(b):
- if not b:
- exit(1)
-
-vg = "xenvg"
-prefix = "d_"
-
-subcommand = sys.argv[1]
-
-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)
-
-if subcommand == "lvcreate-all":
- from invirt import database
- import re
- database.connect()
- for d in Disk.select():
- check(re.match('^[A-Za-z0-9]+$', d.guest_device_name))
- machine = Machine.get(d.machine_id)
- check(re.match('^[A-Za-z0-9][A-Za-z0-9._-]*$', machine.name))
- lvname = prefix + machine.name + "_" + d.guest_device_name
- if not os.path.exists("/dev/%s/%s" % (vg, lvname)):
- # LV doesn't exist
- print >>sys.stderr, "Creating LV %s..." % (lvname,)
- rv = call(["/sbin/lvcreate", "-L", str(d.size) + "M", "-n", lvname, vg])
- if rv != 0:
- print >>sys.stderr, "Error creating LV %s\n" %(lvname,)
- sys.exit(1)
-else:
- machine = sys.argv[2]
- disk = sys.argv[3]
- 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])
- if rv != 0:
- error()
- ensureoff(machine)
-elif subcommand == "lvresize":
- size = sys.argv[4]
- ensureoff(machine)
- 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
- ensureoff(machine)
- ensureoff(newmachine)
- rv = call(["/sbin/lvrename", vg, lvname, newlvname])
- if rv != 0:
- print >>sys.stderr, "Error renaming LV %s\n" %(lvname,)
- sys.exit(1)
-elif subcommand == "lvcreate":
- size = sys.argv[4]
- rv = call(["/sbin/lvcreate", "-L", size + "M", "-n", lvname, vg])
- if rv != 0:
- print >>sys.stderr, "Error creating LV %s\n" %(lvname,)
- sys.exit(1)
-
-