X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=python%2Fvserver.py;h=93a22a2092860cf7f990846061713e0beb399279;hb=91f3bf94636e7e3127c031640d8a51977045582f;hp=e92330906bc7c4344e10a748c775129acfea2eee;hpb=5280366ac34df35ffc0bd4bc86ec2a5b22951e4b;p=util-vserver.git diff --git a/python/vserver.py b/python/vserver.py index e923309..93a22a2 100644 --- a/python/vserver.py +++ b/python/vserver.py @@ -1,6 +1,6 @@ # Copyright 2005 Princeton University -#$Id: vserver.py,v 1.62 2007/07/20 19:45:35 dhozac Exp $ +#$Id: vserver.py,v 1.68 2007/07/31 22:04:24 dhozac Exp $ import errno import fcntl @@ -61,6 +61,9 @@ class VServerConfig: def __init__(self, name, directory): self.name = name self.dir = directory + if not (os.path.isdir(self.dir) and + os.access(self.dir, os.R_OK | os.W_OK | os.X_OK): + raise NoSuchVServer, "%s does not exist" % self.dir def get(self, option, default = None): try: @@ -89,8 +92,17 @@ class VServerConfig: f.write("%s\n" % value) f.close() os.umask(old_umask) - except KeyError, e: - raise KeyError, "Don't know how to handle %s, sorry" % option + except: + raise + + def unset(self, option): + try: + filename = os.path.join(self.dir, option) + os.unlink(filename) + os.removedirs(os.path.dirname(filename)) + return True + except: + return False class VServer: @@ -181,6 +193,35 @@ class VServer: def get_capabilities_config(self): return self.config.get('bcapabilities', '') + def set_ipaddresses(self, addresses): + vserverimpl.netremove(self.ctx, "all") + for a in addresses.split(","): + vserverimpl.netadd(self.ctx, a) + + def set_ipaddresses_config(self, addresses): + i = 0 + for a in addresses.split(","): + self.config.update("interfaces/%d/ip" % i, a) + i += 1 + while self.config.unset("interfaces/%d/ip" % i): + i += 1 + self.set_ipaddresses(addresses) + + def get_ipaddresses_config(self): + i = 0 + ret = [] + while True: + r = self.config.get("interfaces/%d/ip" % i, '') + if r == '': + break + ret += [r] + i += 1 + return ",".join(ret) + + def get_ipaddresses(self): + # No clean way to do this right now. + return None + def __do_chroot(self): os.chroot(self.dir) @@ -367,11 +408,14 @@ class VServer: state_file = open("/var/run/vservers/%s" % self.name, "w") # use /dev/null for stdin, /var/log/boot.log for stdout/err - os.close(0) - os.close(1) - os.open("/dev/null", os.O_RDONLY) + fd = os.open("/dev/null", os.O_RDONLY) + if fd != 0: + os.dup2(fd, 0) + os.close(fd) self.__do_chroot() log = open("/var/log/boot.log", "w", 0) + if log.fileno() != 1: + os.dup2(log.fileno(), 1) os.dup2(1, 2) print >>log, ("%s: starting the virtual server %s" % @@ -390,7 +434,7 @@ class VServer: cmd_args = [cmd[0]] + map(lambda x: x % arg_subst, cmd[1:]) print >>log, "executing '%s'" % " ".join(cmd_args) - os.spawnvp(os.P_WAIT,cmd[0],*cmd_args) + os.spawnvp(os.P_WAIT,cmd[0],cmd_args) except: traceback.print_exc() os._exit(1)