blob: 4e6bbddcd8d93e2cc4dea473ad85fd637f6574af [file] [log] [blame]
#!/usr/bin/env python3
# bitbake-diffsigs
# BitBake task signature data comparison utility
#
# Copyright (C) 2012-2013, 2017 Intel Corporation
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
import os
import sys
import warnings
import fnmatch
import argparse
import logging
import pickle
sys.path.insert(0, os.path.join(os.path.dirname(os.path.dirname(sys.argv[0])), 'lib'))
import bb.tinfoil
import bb.siggen
import bb.msg
logger = bb.msg.logger_create('bitbake-diffsigs')
def find_siginfo(tinfoil, pn, taskname, sigs=None):
result = None
tinfoil.set_event_mask(['bb.event.FindSigInfoResult',
'logging.LogRecord',
'bb.command.CommandCompleted',
'bb.command.CommandFailed'])
ret = tinfoil.run_command('findSigInfo', pn, taskname, sigs)
if ret:
while True:
event = tinfoil.wait_event(1)
if event:
if isinstance(event, bb.command.CommandCompleted):
break
elif isinstance(event, bb.command.CommandFailed):
logger.error(str(event))
sys.exit(2)
elif isinstance(event, bb.event.FindSigInfoResult):
result = event.result
elif isinstance(event, logging.LogRecord):
logger.handle(event)
else:
logger.error('No result returned from findSigInfo command')
sys.exit(2)
return result
def find_compare_task(bbhandler, pn, taskname, sig1=None, sig2=None, color=False):
""" Find the most recent signature files for the specified PN/task and compare them """
if not taskname.startswith('do_'):
taskname = 'do_%s' % taskname
if sig1 and sig2:
sigfiles = find_siginfo(bbhandler, pn, taskname, [sig1, sig2])
if len(sigfiles) == 0:
logger.error('No sigdata files found matching %s %s matching either %s or %s' % (pn, taskname, sig1, sig2))
sys.exit(1)
elif not sig1 in sigfiles:
logger.error('No sigdata files found matching %s %s with signature %s' % (pn, taskname, sig1))
sys.exit(1)
elif not sig2 in sigfiles:
logger.error('No sigdata files found matching %s %s with signature %s' % (pn, taskname, sig2))
sys.exit(1)
latestfiles = [sigfiles[sig1], sigfiles[sig2]]
else:
filedates = find_siginfo(bbhandler, pn, taskname)
latestfiles = sorted(filedates.keys(), key=lambda f: filedates[f])[-3:]
if not latestfiles:
logger.error('No sigdata files found matching %s %s' % (pn, taskname))
sys.exit(1)
elif len(latestfiles) < 2:
logger.error('Only one matching sigdata file found for the specified task (%s %s)' % (pn, taskname))
sys.exit(1)
# Define recursion callback
def recursecb(key, hash1, hash2):
hashes = [hash1, hash2]
hashfiles = find_siginfo(bbhandler, key, None, hashes)
recout = []
if len(hashfiles) == 0:
recout.append("Unable to find matching sigdata for %s with hashes %s or %s" % (key, hash1, hash2))
elif not hash1 in hashfiles:
recout.append("Unable to find matching sigdata for %s with hash %s" % (key, hash1))
elif not hash2 in hashfiles:
recout.append("Unable to find matching sigdata for %s with hash %s" % (key, hash2))
else:
out2 = bb.siggen.compare_sigfiles(hashfiles[hash1], hashfiles[hash2], recursecb, color=color)
for change in out2:
for line in change.splitlines():
recout.append(' ' + line)
return recout
# Recurse into signature comparison
logger.debug("Signature file (previous): %s" % latestfiles[-2])
logger.debug("Signature file (latest): %s" % latestfiles[-1])
output = bb.siggen.compare_sigfiles(latestfiles[-2], latestfiles[-1], recursecb, color=color)
if output:
print('\n'.join(output))
sys.exit(0)
parser = argparse.ArgumentParser(
description="Compares siginfo/sigdata files written out by BitBake")
parser.add_argument('-d', '--debug',
help='Enable debug output',
action='store_true')
parser.add_argument('--color',
help='Colorize output (where %(metavar)s is %(choices)s)',
choices=['auto', 'always', 'never'], default='auto', metavar='color')
parser.add_argument("-t", "--task",
help="find the signature data files for last two runs of the specified task and compare them",
action="store", dest="taskargs", nargs=2, metavar=('recipename', 'taskname'))
parser.add_argument("-s", "--signature",
help="With -t/--task, specify the signatures to look for instead of taking the last two",
action="store", dest="sigargs", nargs=2, metavar=('fromsig', 'tosig'))
parser.add_argument("sigdatafile1",
help="First signature file to compare (or signature file to dump, if second not specified). Not used when using -t/--task.",
action="store", nargs='?')
parser.add_argument("sigdatafile2",
help="Second signature file to compare",
action="store", nargs='?')
options = parser.parse_args()
if options.debug:
logger.setLevel(logging.DEBUG)
color = (options.color == 'always' or (options.color == 'auto' and sys.stdout.isatty()))
if options.taskargs:
with bb.tinfoil.Tinfoil() as tinfoil:
tinfoil.prepare(config_only=True)
if options.sigargs:
find_compare_task(tinfoil, options.taskargs[0], options.taskargs[1], options.sigargs[0], options.sigargs[1], color=color)
else:
find_compare_task(tinfoil, options.taskargs[0], options.taskargs[1], color=color)
else:
if options.sigargs:
logger.error('-s/--signature can only be used together with -t/--task')
sys.exit(1)
try:
if options.sigdatafile1 and options.sigdatafile2:
output = bb.siggen.compare_sigfiles(options.sigdatafile1, options.sigdatafile2, color=color)
elif options.sigdatafile1:
output = bb.siggen.dump_sigfile(options.sigdatafile1)
else:
logger.error('Must specify signature file(s) or -t/--task')
parser.print_help()
sys.exit(1)
except IOError as e:
logger.error(str(e))
sys.exit(1)
except (pickle.UnpicklingError, EOFError):
logger.error('Invalid signature data - ensure you are specifying sigdata/siginfo files')
sys.exit(1)
if output:
print('\n'.join(output))