3 from allmydata.scripts.common import NoDefaultBasedirOptions
4 from allmydata.util.assertutil import precondition
5 from allmydata.util.encodingutil import listdir_unicode, quote_output
8 class CreateStatsGathererOptions(NoDefaultBasedirOptions):
9 subcommand_name = "create-stats-gatherer"
12 stats_gatherer_tac = """
15 from allmydata import stats
16 from twisted.application import service
19 g = stats.StatsGathererService(verbose=verbose)
21 application = service.Application('allmydata_stats_gatherer')
22 g.setServiceParent(application)
26 def create_stats_gatherer(config, out=sys.stdout, err=sys.stderr):
27 basedir = config['basedir']
28 # This should always be called with an absolute Unicode basedir.
29 precondition(isinstance(basedir, unicode), basedir)
31 if os.path.exists(basedir):
32 if listdir_unicode(basedir):
33 print >>err, "The base directory %s is not empty." % quote_output(basedir)
34 print >>err, "To avoid clobbering anything, I am going to quit now."
35 print >>err, "Please use a different directory, or empty this one."
37 # we're willing to use an empty directory
40 f = open(os.path.join(basedir, "tahoe-stats-gatherer.tac"), "wb")
41 f.write(stats_gatherer_tac)
46 ["create-stats-gatherer", None, CreateStatsGathererOptions, "Create a stats-gatherer service."],
50 "create-stats-gatherer": create_stats_gatherer,