| #!/usr/bin/env python3 |
| |
| # bitbake-diffsigs / bitbake-dumpsig |
| # BitBake task signature data dump and 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 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 |
| |
| myname = os.path.basename(sys.argv[0]) |
| logger = bb.msg.logger_create(myname) |
| |
| is_dump = myname == 'bitbake-dumpsig' |
| |
| 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_siginfo_task(bbhandler, pn, taskname, sig1=None, sig2=None): |
| """ Find the most recent signature files for the specified PN/task """ |
| |
| 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])[-2:] |
| if not latestfiles: |
| logger.error('No sigdata files found matching %s %s' % (pn, taskname)) |
| sys.exit(1) |
| |
| return latestfiles |
| |
| |
| # Define recursion callback |
| def recursecb(key, hash1, hash2): |
| hashes = [hash1, hash2] |
| hashfiles = find_siginfo(tinfoil, 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 |
| |
| |
| parser = argparse.ArgumentParser( |
| description=("Dumps" if is_dump else "Compares") + " siginfo/sigdata files written out by BitBake") |
| |
| parser.add_argument('-D', '--debug', |
| help='Enable debug output', |
| action='store_true') |
| |
| if is_dump: |
| parser.add_argument("-t", "--task", |
| help="find the signature data file for the last run of the specified task", |
| action="store", dest="taskargs", nargs=2, metavar=('recipename', 'taskname')) |
| |
| parser.add_argument("sigdatafile1", |
| help="Signature file to dump. Not used when using -t/--task.", |
| action="store", nargs='?', metavar="sigdatafile") |
| else: |
| parser.add_argument('-c', '--color', |
| help='Colorize the output (where %(metavar)s is %(choices)s)', |
| choices=['auto', 'always', 'never'], default='auto', metavar='color') |
| |
| parser.add_argument('-d', '--dump', |
| help='Dump the last signature data instead of comparing (equivalent to using bitbake-dumpsig)', |
| action='store_true') |
| |
| parser.add_argument("-t", "--task", |
| help="find the signature data files for the 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 is_dump: |
| options.color = 'never' |
| options.dump = True |
| options.sigdatafile2 = None |
| options.sigargs = None |
| |
| 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 not options.dump and options.sigargs: |
| files = find_siginfo_task(tinfoil, options.taskargs[0], options.taskargs[1], options.sigargs[0], options.sigargs[1]) |
| else: |
| files = find_siginfo_task(tinfoil, options.taskargs[0], options.taskargs[1]) |
| |
| if options.dump: |
| logger.debug("Signature file: %s" % files[-1]) |
| output = bb.siggen.dump_sigfile(files[-1]) |
| else: |
| if len(files) < 2: |
| logger.error('Only one matching sigdata file found for the specified task (%s %s)' % (options.taskargs[0], options.taskargs[1])) |
| sys.exit(1) |
| |
| # Recurse into signature comparison |
| logger.debug("Signature file (previous): %s" % files[-2]) |
| logger.debug("Signature file (latest): %s" % files[-1]) |
| output = bb.siggen.compare_sigfiles(files[-2], files[-1], recursecb, color=color) |
| else: |
| if options.sigargs: |
| logger.error('-s/--signature can only be used together with -t/--task') |
| sys.exit(1) |
| try: |
| if not options.dump and options.sigdatafile1 and options.sigdatafile2: |
| with bb.tinfoil.Tinfoil() as tinfoil: |
| tinfoil.prepare(config_only=True) |
| output = bb.siggen.compare_sigfiles(options.sigdatafile1, options.sigdatafile2, recursecb, 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)) |