+ cpu_guaranteed = sched_flags & SCHED_CPU_GUARANTEED
+ cpu_config = { "CPULIMIT": cpu_share, "CPUGUARANTEED": cpu_guaranteed }
+ self.update_resources(cpu_config)
+ if self.vm_running:
+ self.set_sched(cpu_share, sched_flags)
+
+ def set_sched(self, cpu_share, sched_flags = 0):
+
+ """ Update kernel CPU scheduling parameters for this context. """
+
+ vserverimpl.setsched(self.ctx, cpu_share, sched_flags)
+
+ def get_sched(self):
+ # have no way of querying scheduler right now on a per vserver basis
+ return (-1, False)
+
+ def set_memlimit(self, limit):
+ ret = vserverimpl.setrlimit(self.ctx,5,limit)
+ return ret
+
+ def get_memlimit(self):
+ ret = vserverimpl.getrlimit(self.ctx,5)
+ return ret
+
+ def set_tasklimit(self, limit):
+ ret = vserverimpl.setrlimit(self.ctx,6,limit)
+ return ret
+
+ def get_tasklimit(self):
+ ret = vserverimpl.getrlimit(self.ctx,6)
+ return ret
+
+ def set_bwlimit(self, maxrate, minrate = 1, share = None, dev = "eth0"):
+
+ if maxrate != 0:
+ bwlimit.on(self.ctx, dev, share, minrate, maxrate)
+ else:
+ bwlimit.off(self.ctx, dev)
+
+ def get_bwlimit(self, dev = "eth0"):
+
+ result = bwlimit.get(self.ctx)
+ # result of bwlimit.get is (ctx, share, minrate, maxrate)
+ if result:
+ result = result[1:]
+ return result
+
+ def open(self, filename, mode = "r", bufsize = -1):
+
+ return self.chroot_call(open, filename, mode, bufsize)
+
+ def __do_chcontext(self, state_file):
+
+ if state_file:
+ print >>state_file, "S_CONTEXT=%u" % self.ctx
+ print >>state_file, "S_PROFILE="
+ state_file.close()
+
+ if vserverimpl.chcontext(self.ctx):
+ self.set_resources()
+ vserverimpl.setup_done(self.ctx)