X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=python%2Fvserver.py;h=ee061bbf693936c7e15de3e1c1448560ba20cd23;hb=f061f5d3ea230ebc5132315131c00852ffb58269;hp=11ce695c7de364e26331acdb580ff5db22a1436d;hpb=534840e66d85d7cca97dbc96ef553f8e7e51000a;p=util-vserver.git diff --git a/python/vserver.py b/python/vserver.py index 11ce695..ee061bb 100644 --- a/python/vserver.py +++ b/python/vserver.py @@ -4,6 +4,7 @@ import errno import fcntl import os import re +import signal import sys import time import traceback @@ -113,6 +114,10 @@ class VServer: def set_disklimit(self, block_limit): # block_limit is in kB + if block_limit == 0: + vserverimpl.unsetdlimit(self.dir, self.ctx) + return + if self.vm_running: block_usage = vserverimpl.DLIMIT_KEEP inode_usage = vserverimpl.DLIMIT_KEEP @@ -132,22 +137,27 @@ class VServer: def get_disklimit(self): try: - blocksused, blocktotal, inodesused, inodestotal, reserved = \ - vserverimpl.getdlimit(self.dir, self.ctx) + (self.disk_blocks, block_limit, self.disk_inodes, inode_limit, + reserved) = vserverimpl.getdlimit(self.dir, self.ctx) except OSError, ex: - if ex.errno == errno.ESRCH: - # get here if no vserver disk limit has been set for xid - blocktotal = -1 + if ex.errno != errno.ESRCH: + raise + # get here if no vserver disk limit has been set for xid + block_limit = -1 - return blocktotal + return block_limit def set_sched(self, cpu_share): if cpu_share == int(self.config.get("CPULIMIT", -1)): return - - self.__update_config_file(self.config_file, { "CPULIMIT": cpu_share }) + # XXX - don't want to have to deal with nm_ flags here + cpu_guaranteed = int(self.resources.get("nm_sched_flags", + None) == "guaranteed") + cpu_config = { "CPULIMIT": cpu_share, "CPUGUARANTEED": cpu_guaranteed } + self.__update_config_file(self.config_file, cpu_config) if self.vm_running: + # caller must ensure cpu_share is consistent with self.resources vserverimpl.setsched(self.ctx, self.resources) def get_sched(self): @@ -170,12 +180,12 @@ class VServer: ret = vserverimpl.getrlimit(self.ctx,6) return ret - def set_bwlimit(self, share, minrate, maxrate = None, dev = "eth0"): + def set_bwlimit(self, share, minrate = 1, maxrate = None, dev = "eth0"): - if False: - bwlimit.off(self.ctx, dev) - else: + if share: bwlimit.on(self.ctx, dev, share, minrate, maxrate) + else: + bwlimit.off(self.ctx, dev) def get_bwlimit(self, eth): # not implemented yet @@ -244,13 +254,12 @@ class VServer: def __do_chcontext(self, state_file): - vserverimpl.chcontext(self.ctx, self.resources) + if state_file: + print >>state_file, "S_CONTEXT=%u" % self.ctx + print >>state_file, "S_PROFILE=" + state_file.close() - if not state_file: - return - print >>state_file, "S_CONTEXT=%d" % self.ctx - print >>state_file, "S_PROFILE=%s" % self.config.get("S_PROFILE", "") - state_file.close() + vserverimpl.chcontext(self.ctx, self.resources) def __prep(self, runlevel, log): @@ -319,7 +328,6 @@ class VServer: self.__do_chroot() log = open("/var/log/boot.log", "w", 0) os.dup2(1, 2) - # XXX - close all other fds print >>log, ("%s: starting the virtual server %s" % (time.asctime(time.gmtime()), self.name)) @@ -383,3 +391,8 @@ class VServer: (self.disk_inodes, self.disk_blocks, size) = vduimpl.vdu(self.dir) return size + + def stop(self, signal = signal.SIGKILL): + + vserverimpl.killall(self.ctx, signal) + self.vm_running = False