From: david-sarah Date: Sat, 31 Mar 2012 22:41:22 +0000 (+0000) Subject: Add 'tahoe debug flogtool' command, test for --help, and docs. This version gets... X-Git-Url: https://git.rkrishnan.org/somewhere?a=commitdiff_plain;h=379901bf8f2b4c177dc96e8728e2de30434ab706;p=tahoe-lafs%2Ftahoe-lafs.git Add 'tahoe debug flogtool' command, test for --help, and docs. This version gets the help synopses more correct, and changes the doc to say that this command is added in 1.10.0 rather than 1.9.2. fixes #1693 --- diff --git a/docs/logging.rst b/docs/logging.rst index 9609de45..f3080bc0 100644 --- a/docs/logging.rst +++ b/docs/logging.rst @@ -29,9 +29,13 @@ The Foolscap logging system is documented at The Foolscap distribution includes a utility named "``flogtool``" that is used to get access to many Foolscap logging features. However, using this command directly on Tahoe log files may fail, due to use of an incorrect -PYTHONPATH. Installing Foolscap v0.6.1 or later and then running -``bin/tahoe @flogtool`` from the root of a Tahoe-LAFS source distribution -may avoid this problem (but only on Unix, not Windows). +PYTHONPATH. To avoid this problem, Tahoe-LAFS v1.10.0 and later include a +``tahoe debug flogtool`` command; to use this, prefix all of the example +commands below with ``tahoe debug``. + +For earlier versions since Tahoe-LAFS v1.8.2, installing Foolscap v0.6.1 +or later and then running ``bin/tahoe @flogtool`` from the root of a +Tahoe-LAFS source distribution may work (but only on Unix, not Windows). Realtime Logging diff --git a/src/allmydata/scripts/debug.py b/src/allmydata/scripts/debug.py index b482fb9c..f7749cd4 100644 --- a/src/allmydata/scripts/debug.py +++ b/src/allmydata/scripts/debug.py @@ -5,6 +5,7 @@ import struct, time, os, sys from twisted.python import usage, failure from twisted.internet import defer from twisted.scripts import trial as twisted_trial +from foolscap.logging import cli as foolscap_cli class DumpOptions(usage.Options): @@ -998,6 +999,49 @@ def trial(config): twisted_trial.run() +def fixOptionsClass( (subcmd, shortcut, OptionsClass, desc) ): + class FixedOptionsClass(OptionsClass): + def getSynopsis(self): + t = OptionsClass.getSynopsis(self) + i = t.find("Usage: flogtool ") + if i >= 0: + return "Usage: tahoe debug flogtool " + t[i+len("Usage: flogtool "):] + else: + return "Usage: tahoe debug flogtool %s [options]" % (subcmd,) + return (subcmd, shortcut, FixedOptionsClass, desc) + +class FlogtoolOptions(foolscap_cli.Options): + def __init__(self): + super(FlogtoolOptions, self).__init__() + self.subCommands = map(fixOptionsClass, self.subCommands) + + def getSynopsis(self): + return "Usage: tahoe debug flogtool (%s) [command options]" % ("|".join([x[0] for x in self.subCommands])) + + def parseOptions(self, all_subargs, *a, **kw): + self.flogtool_args = list(all_subargs) + return super(FlogtoolOptions, self).parseOptions(self.flogtool_args, *a, **kw) + + def getUsage(self, width=None): + t = super(FlogtoolOptions, self).getUsage(width) + t += """ +The 'tahoe debug flogtool' command uses the correct imports for this instance +of Tahoe-LAFS. + +Please run 'tahoe debug flogtool SUBCOMMAND --help' for more details on each +subcommand. +""" + return t + + def opt_help(self): + print str(self) + sys.exit(0) + +def flogtool(config): + sys.argv = ['flogtool'] + config.flogtool_args + return foolscap_cli.run_flogtool() + + class DebugCommand(usage.Options): subCommands = [ ["dump-share", None, DumpOptions, @@ -1008,15 +1052,16 @@ class DebugCommand(usage.Options): ["corrupt-share", None, CorruptShareOptions, "Corrupt a share by flipping a bit."], ["repl", None, ReplOptions, "Open a Python interpreter."], ["trial", None, TrialOptions, "Run tests using Twisted Trial with the right imports."], + ["flogtool", None, FlogtoolOptions, "Utilities to access log files."], ] def postOptions(self): if not hasattr(self, 'subOptions'): raise usage.UsageError("must specify a subcommand") def getSynopsis(self): - return "Usage: tahoe debug SUBCOMMAND" + return "" def getUsage(self, width=None): #t = usage.Options.getUsage(self, width) - t = """ + t = """Usage: tahoe debug SUBCOMMAND Subcommands: tahoe debug dump-share Unpack and display the contents of a share. tahoe debug dump-cap Unpack a read-cap or write-cap. @@ -1025,6 +1070,7 @@ Subcommands: tahoe debug corrupt-share Corrupt a share by flipping a bit. tahoe debug repl Open a Python interpreter. tahoe debug trial Run tests using Twisted Trial with the right imports. + tahoe debug flogtool Utilities to access log files. Please run e.g. 'tahoe debug dump-share --help' for more details on each subcommand. @@ -1065,6 +1111,7 @@ subDispatch = { "corrupt-share": corrupt_share, "repl": repl, "trial": trial, + "flogtool": flogtool, } diff --git a/src/allmydata/test/test_cli.py b/src/allmydata/test/test_cli.py index 59e2c6aa..485414b8 100644 --- a/src/allmydata/test/test_cli.py +++ b/src/allmydata/test/test_cli.py @@ -689,6 +689,16 @@ class Help(unittest.TestCase): self.failUnlessIn(" debug trial [options] [[file|package|module|TestCase|testmethod]...]", help) self.failUnlessIn("The 'tahoe debug trial' command uses the correct imports", help) + def test_debug_flogtool(self): + options = debug.FlogtoolOptions() + help = str(options) + self.failUnlessIn(" debug flogtool ", help) + self.failUnlessIn("The 'tahoe debug flogtool' command uses the correct imports", help) + + for (option, shortcut, oClass, desc) in options.subCommands: + subhelp = str(oClass()) + self.failUnlessIn(" debug flogtool %s " % (option,), subhelp) + class CreateAlias(GridTestMixin, CLITestMixin, unittest.TestCase):