7 from optparse import OptionParser
9 drop_capabilities='cap_sys_admin,cap_net_admin,cap_sys_boot,cap_sys_module'
11 parser = OptionParser()
12 parser.add_option("-n", "--net",
13 action="store_true", dest="netns", default=False,
14 help="Enter network namespace")
15 parser.add_option("-m", "--mnt",
16 action="store_true", dest="mntns", default=False,
17 help="Enter mount namespace")
18 parser.add_option("-p", "--pid",
19 action="store_true", dest="pidns", default=False,
20 help="Enter pid namespace")
22 (options, args) = parser.parse_args()
27 print "You must specify a vm name"
31 cmd = 'grep %s /proc/*/cgroup | grep freezer'%slice_name
32 output = os.popen(cmd).readlines()
34 print "Error finding slice %s"%slice_name
41 path = l.split(':')[0]
42 comp = l.rsplit(':')[-1]
43 slice_name_check = comp.rsplit('/')[-1]
45 if (slice_name_check == slice_name):
47 pid = slice_path.split('/')[2]
48 cmdline = open('/proc/%s/cmdline'%pid).read().rstrip('\n\x00')
49 if (cmdline == '/sbin/init'):
50 slice_spec = slice_path
55 if (not slice_spec or not pid):
56 print "Not started: %s"%slice_name
59 r1 = setns.chcontext('/proc/%s/ns/utc'%pid)
60 r2 = setns.chcontext('/proc/%s/ns/ipc'%pid)
61 path = '/proc/%s/ns/net'%pid
62 r3 = setns.chcontext(path)
64 open('/proc/lxcsu','w').write(pid)
65 open('/proc/pidsu','w').write(pid)
66 os.execv('/usr/sbin/capsh',['--drop',drop_capabilities,'--'])