X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lxcsu;h=6bcf2e38dcaf51a88c601eff8e21f2779fa22faf;hb=3469e5df63fd3a9d4614d779d75cfa8787a3e54e;hp=24fcf4592140f923a7f089a328f9bf065487844d;hpb=6b7a68f13c328f74592f5397e362ff6cabe4f209;p=lxc-userspace.git diff --git a/lxcsu b/lxcsu old mode 100755 new mode 100644 index 24fcf45..6bcf2e3 --- a/lxcsu +++ b/lxcsu @@ -3,11 +3,13 @@ import setns import os +import sys -from optparse import OptionParser +#from optparse import OptionParser -drop_capabilities='cap_sys_admin,cap_net_admin,cap_sys_boot,cap_sys_module' +drop_capabilities='cap_sys_admin,cap_net_admin,cap_sys_boot,cap_sys_module'.split(',') +""" parser = OptionParser() parser.add_option("-n", "--net", action="store_true", dest="netns", default=False, @@ -20,6 +22,8 @@ parser.add_option("-p", "--pid", help="Enter pid namespace") (options, args) = parser.parse_args() +""" +args = sys.argv[1:] try: slice_name = args[0] @@ -56,10 +60,29 @@ if (not slice_spec or not pid): print "Not started: %s"%slice_name exit(1) +# Enter cgroups +try: + for subsystem in ['cpuset','memory','fs','blkio']: + open('/sys/fs/cgroup/%s/libvirt/tasks'%subsystem,'w').write(pid) +except: + print "Error assigning resources: %s"%slice_name + exit(1) + r1 = setns.chcontext('/proc/%s/ns/utc'%pid) r2 = setns.chcontext('/proc/%s/ns/ipc'%pid) path = '/proc/%s/ns/net'%pid r3 = setns.chcontext(path) + open('/proc/lxcsu','w').write(pid) -#os.system('mount none -t proc /proc') -os.execv('/usr/sbin/capsh',['--drop',drop_capabilities,'--']) +open('/proc/pidsu','w').write(pid) + + + +pid = os.fork() + +cap_args = map(lambda c:'--drop='+c, drop_capabilities) + +if (pid == 0): + os.execv('/usr/sbin/capsh',cap_args+['--']+args[1:]) +else: + os.waitpid(pid,0)