def postOptions(self):
global settings
program = self.parent.subCommand
# Use provided pidfile (if any) as default for configuration. If it's
# set to 'twistd.pid', that means no value was provided and the default
# was used.
pidfile = "twistd.pid"
if "pidfile" in self.parent:
pidfile = self.parent["pidfile"]
if pidfile.endswith("twistd.pid"):
pidfile = None
self["pidfile"] = pidfile
# Enforce a default umask of '022' if none was set.
if not self.parent.has_key("umask") or self.parent["umask"] is None:
self.parent["umask"] = 022
# Read extra settings from the configuration file.
program_settings = read_config(program, self)
settings.update(program_settings)
settings["program"] = program
# Set process uid/gid by changing the parent config, if a user was
# provided in the configuration file.
if settings.USER:
self.parent["uid"], self.parent["gid"] = (
port.getpwnam(settings.USER)[2:4])
# Set the pidfile in parent config to the value that was computed by
# C{read_config}.
self.parent["pidfile"] = settings["pidfile"]
storage_schemas = join(settings["CONF_DIR"], "storage-schemas.conf")
if not exists(storage_schemas):
print "Error: missing required config %s" % storage_schemas
sys.exit(1)
if settings.WHISPER_AUTOFLUSH:
log.msg("Enabling Whisper autoflush")
whisper.AUTOFLUSH = True
if settings.WHISPER_FALLOCATE_CREATE:
if whisper.CAN_FALLOCATE:
log.msg("Enabling Whisper fallocate support")
else:
log.err("WHISPER_FALLOCATE_CREATE is enabled but linking failed.")
if settings.WHISPER_LOCK_WRITES:
if whisper.CAN_LOCK:
log.msg("Enabling Whisper file locking")
whisper.LOCK = True
else:
log.err("WHISPER_LOCK_WRITES is enabled but import of fcntl module failed.")
if not "action" in self:
self["action"] = "start"
self.handleAction()
# If we are not running in debug mode or non-daemon mode, then log to a
# directory, otherwise log output will go to stdout. If parent options
# are set to log to syslog, then use that instead.
if not self["debug"]:
if self.parent.get("syslog", None):
log.logToSyslog(self.parent["prefix"])
elif not self.parent["nodaemon"]:
logdir = settings.LOG_DIR
if not isdir(logdir):
os.mkdir(logdir)
if settings.USER:
# We have not yet switched to the specified user,
# but that user must be able to create files in this
# directory.
os.chown(logdir, self.parent["uid"], self.parent["gid"])
log.logToDir(logdir)
if self["whitelist"] is None:
self["whitelist"] = join(settings["CONF_DIR"], "whitelist.conf")
settings["whitelist"] = self["whitelist"]
if self["blacklist"] is None:
self["blacklist"] = join(settings["CONF_DIR"], "blacklist.conf")
settings["blacklist"] = self["blacklist"]
def dropprivs(user): uid, gid = port.getpwnam(user)[2:4] initgroups(uid, gid) os.setregid(gid, gid) os.setreuid(uid, uid) return (uid, gid)
