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68a5a46cbf
This is a debugging tool so there's no need for a strict sandbox. I want to be able to extract backtraces from gdb using 'set logging on' and it's not currently possible without using --extra-flatpak-args="--filesystem=home". Closes: #2313 Approved by: matthiasclasen
84 lines
3.4 KiB
Python
Executable File
84 lines
3.4 KiB
Python
Executable File
#!/usr/bin/env python3
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import argparse
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import re
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import shutil
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import sys
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import subprocess
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import shlex
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import tempfile
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class CoreDumper():
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def __init__(self):
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self.build_directory = None
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self.app = None
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self.coredumpctl_matches = ""
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self.extra_flatpak_args = ""
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self.gdb_arguments = ""
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def clean_args(self):
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if not self.build_directory and not self.app:
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print("Either `--build-directory` or `APP` must be specified.",
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file=sys.stderr)
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return False
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return True
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def run(self):
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if not shutil.which('coredumpctl'):
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print("'coredumpctl' not present on the system, can't run.",
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file=sys.stderr)
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sys.exit(1)
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# We need access to the host from the sandbox to run.
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flatpak_command = ["flatpak", "build" if self.build_directory else "run", "--filesystem=home",
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"--filesystem=%s" % tempfile.gettempdir()] + shlex.split(self.extra_flatpak_args)
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if not self.build_directory:
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flatpak_command.extend(["--command=gdb",
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'--devel', self.app])
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else:
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flatpak_command.extend([self.build_directory, "gdb"])
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with tempfile.NamedTemporaryFile() as coredump:
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with tempfile.NamedTemporaryFile() as stderr:
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subprocess.check_call(["coredumpctl", "dump"] + shlex.split(self.coredumpctl_matches),
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stdout=coredump, stderr=stderr)
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with open(stderr.name, 'r') as stderrf:
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stderr = stderrf.read()
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executable, = re.findall(".*Executable: (.*)", stderr)
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if not executable.startswith("/newroot"):
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print("Executable %s doesn't seem to be a flatpaked application." % executable,
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file=sys.stderr)
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executable = executable.replace("/newroot", "")
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flatpak_command.extend([executable, coredump.name])
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flatpak_command.extend(shlex.split(self.gdb_arguments))
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print('Running: `"%s"`' % '" "'.join(flatpak_command))
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subprocess.check_call(flatpak_command)
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(
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"Debug in gdb an application that crashed inside flatpak."
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" It uses (and thus requires) coredumpctl to retrieve the coredump file.")
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parser.add_argument('-b', '--build-directory', default=None,
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help="The build directory to use. It allows you to retrieve a coredump"
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" for applications being built")
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parser.add_argument('--extra-flatpak-args', default="",
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help="Extra argument to pass to flatpak")
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parser.add_argument('app', nargs='?',
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help='The flatpak application to use. eg. `org.gnome.Epiphany//3.28`.')
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parser.add_argument('-m', '--coredumpctl-matches', default="", nargs="?",
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help='Coredumpctl matches, see `man coredumpctl` for more information.')
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parser.add_argument('--gdb-arguments', default="",
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help='Arguments to pass to gdb.')
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coredumper = CoreDumper()
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options = parser.parse_args(namespace=coredumper)
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if not coredumper.clean_args():
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parser.print_help()
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sys.exit(1)
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coredumper.run()
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