X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lxcsu;h=2ac7920acd2cd85bad767a278b6e936633d21d90;hb=5a3481ee8610f14bd8cf0fd241d068b6c65ee45b;hp=eceea86e3ce22d83bd59d01f8108f71b33bb13ca;hpb=be0407d0d1687abc781c860fab8432798a30af03;p=lxc-userspace.git diff --git a/lxcsu b/lxcsu old mode 100644 new mode 100755 index eceea86..2ac7920 --- a/lxcsu +++ b/lxcsu @@ -1,78 +1,23 @@ #!/usr/bin/python - -import setns import os import sys -#from optparse import OptionParser - -drop_capabilities='cap_sys_admin,cap_sys_boot,cap_sys_module'.split(',') - -""" -parser = OptionParser() -parser.add_option("-n", "--net", - action="store_true", dest="netns", default=False, - help="Enter network namespace") -parser.add_option("-m", "--mnt", - action="store_true", dest="mntns", default=False, - help="Enter mount namespace") -parser.add_option("-p", "--pid", - action="store_true", dest="pidns", default=False, - help="Enter pid namespace") - -(options, args) = parser.parse_args() -""" -args = sys.argv[1:] - -try: - slice_name = args[0] -except IndexError: - print "You must specify a vm name" - exit(1) - -try: - cmd = 'grep %s /proc/*/cgroup | grep freezer'%slice_name - output = os.popen(cmd).readlines() -except: - print "Error finding slice %s"%slice_name - exit(1) - -slice_spec = None -for e in output: - try: - l = e.rstrip() - path = l.split(':')[0] - comp = l.rsplit(':')[-1] - slice_name_check = comp.rsplit('/')[-1] - - if (slice_name_check == slice_name): - slice_path = path - pid = slice_path.split('/')[2] - cmdline = open('/proc/%s/cmdline'%pid).read().rstrip('\n\x00') - if (cmdline == '/sbin/init'): - slice_spec = slice_path - break - except: - break - -if (not slice_spec or not pid): - print "Not started: %s"%slice_name - exit(1) +from argparse import ArgumentParser +LXCSU_INTERNAL='/usr/sbin/lxcsu-internal' -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) +def main (): + parser = ArgumentParser() + parser.add_argument ("slice_name") + parser.add_argument ("command_to_run",nargs="*") -open('/proc/lxcsu','w').write(pid) -open('/proc/pidsu','w').write(pid) + options = parser.parse_args() + slice_name=options.slice_name + commands = options.command_to_run -pid = os.fork() + exec_args = [LXCSU_INTERNAL,slice_name,'--'] + exec_args+=commands + os.execv(LXCSU_INTERNAL,exec_args) -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) +if __name__ == '__main__': + main()