From: Brian Warner Date: Wed, 6 Jun 2007 21:06:57 +0000 (-0700) Subject: runner.py: allow --multiple to enable starting/stopping/creating multiple nodes at... X-Git-Tag: allmydata-tahoe-0.3.0~28 X-Git-Url: https://git.rkrishnan.org/pf/content/en/seg/provisioning?a=commitdiff_plain;h=208a932d10dfe6ca98caf23bd7d0bc7120caf4ba;p=tahoe-lafs%2Ftahoe-lafs.git runner.py: allow --multiple to enable starting/stopping/creating multiple nodes at once --- diff --git a/src/allmydata/scripts/runner.py b/src/allmydata/scripts/runner.py index c00757dc..d1e33fd5 100644 --- a/src/allmydata/scripts/runner.py +++ b/src/allmydata/scripts/runner.py @@ -43,33 +43,64 @@ if not twistd: sys.exit(1) class BasedirMixin: + optFlags = [ + ["multiple", "m", "allow multiple basedirs to be specified at once"], + ] + def postOptions(self): - if self['basedir'] is None: + if not self.basedirs: raise usage.UsageError(" parameter is required") - self['basedir'] = os.path.abspath(os.path.expanduser(self['basedir'])) + if self['basedir']: + del self['basedir'] + self['basedirs'] = [os.path.abspath(os.path.expanduser(b)) + for b in self.basedirs] def parseArgs(self, *args): - if len(args) > 0: - self['basedir'] = args[0] - if len(args) > 1: - raise usage.UsageError("I wasn't expecting so many arguments") + self.basedirs = [] + if self['basedir']: + self.basedirs.append(self['basedir']) + if self['multiple']: + self.basedirs.extend(args) + else: + if len(args) == 0 and not self.basedirs: + self.basedirs.append(".") + if len(args) > 0: + self.basedirs.append(args[0]) + if len(args) > 1: + raise usage.UsageError("I wasn't expecting so many arguments") + +class NoDefaultBasedirMixin(BasedirMixin): + def parseArgs(self, *args): + # create-client won't default to --basedir=. + self.basedirs = [] + if self['basedir']: + self.basedirs.append(self['basedir']) + if self['multiple']: + self.basedirs.extend(args) + else: + if len(args) > 0: + self.basedirs.append(args[0]) + if len(args) > 1: + raise usage.UsageError("I wasn't expecting so many arguments") + if not self.basedirs: + raise usage.UsageError("--basedir must be provided") class StartOptions(BasedirMixin, usage.Options): optParameters = [ - ["basedir", "C", ".", "which directory to start the node in"], + ["basedir", "C", None, "which directory to start the node in"], ] class StopOptions(BasedirMixin, usage.Options): optParameters = [ - ["basedir", "C", ".", "which directory to stop the node in"], + ["basedir", "C", None, "which directory to stop the node in"], ] class RestartOptions(BasedirMixin, usage.Options): optParameters = [ - ["basedir", "C", ".", "which directory to restart the node in"], + ["basedir", "C", None, "which directory to restart the node in"], ] -class CreateClientOptions(BasedirMixin, usage.Options): +class CreateClientOptions(NoDefaultBasedirMixin, usage.Options): optParameters = [ ["basedir", "C", None, "which directory to create the client in"], ] @@ -77,13 +108,7 @@ class CreateClientOptions(BasedirMixin, usage.Options): ["quiet", "q", "operate silently"], ] - def parseArgs(self, *args): - if len(args) > 0: - self['basedir'] = args[0] - if len(args) > 1: - raise usage.UsageError("I wasn't expecting so many arguments") - -class CreateIntroducerOptions(BasedirMixin, usage.Options): +class CreateIntroducerOptions(NoDefaultBasedirMixin, usage.Options): optParameters = [ ["basedir", "C", None, "which directory to create the introducer in"], ] @@ -146,25 +171,34 @@ def runner(argv, run_by_human=True): command = config.subCommand so = config.subOptions + rc = 0 if command == "create-client": - rc = create_client(so) + for basedir in so.basedirs: + rc = create_client(basedir, so) or rc elif command == "create-introducer": - rc = create_introducer(so) + for basedir in so.basedirs: + rc = create_introducer(basedir, so) or rc elif command == "start": - rc = start(so) + for basedir in so.basedirs: + rc = start(basedir, so) or rc elif command == "stop": - rc = stop(so) + for basedir in so.basedirs: + rc = stop(basedir, so) or rc elif command == "restart": - rc = restart(so) - rc = rc or 0 + for basedir in so.basedirs: + rc = stop(basedir, so) or rc + if rc: + print "not restarting" + return rc + for basedir in so.basedirs: + rc = start(basedir, so) or rc return rc def run(): rc = runner(sys.argv[1:]) sys.exit(rc) -def create_client(config): - basedir = config['basedir'] +def create_client(basedir, config): if os.path.exists(basedir): if os.listdir(basedir): print "The base directory already exists: %s" % basedir @@ -181,8 +215,7 @@ def create_client(config): print "client created in %s" % basedir print " please copy introducer.furl and vdrive.furl into the directory" -def create_introducer(config): - basedir = config['basedir'] +def create_introducer(basedir, config): if os.path.exists(basedir): if os.listdir(basedir): print "The base directory already exists: %s" % basedir @@ -198,8 +231,8 @@ def create_introducer(config): if not config['quiet']: print "introducer created in %s" % basedir -def start(config): - basedir = config['basedir'] +def start(basedir, config): + print "STARTING", basedir if os.path.exists(os.path.join(basedir, "client.tac")): tac = "client.tac" type = "client" @@ -211,8 +244,7 @@ def start(config): if not os.path.isdir(basedir): print " in fact, it doesn't look like a directory at all!" sys.exit(1) - os.chdir(basedir) - rc = subprocess.call(["python", twistd, "-y", tac,]) + rc = subprocess.call(["python", twistd, "-y", tac,], cwd=basedir) if rc == 0: print "%s node probably started" % type return 0 @@ -220,8 +252,8 @@ def start(config): print "%s node probably not started" % type return 1 -def stop(config): - basedir = config['basedir'] +def stop(basedir, config): + print "STOPPING", basedir pidfile = os.path.join(basedir, "twistd.pid") if not os.path.exists(pidfile): print "%s does not look like a running node directory (no twistd.pid)" % basedir @@ -243,10 +275,3 @@ def stop(config): time.sleep(1) print "never saw process go away" return 1 - -def restart(config): - rc = stop(config) - if rc: - print "not restarting" - return rc - return start(config)