zsys/debian/zsys.apport at master · ubuntu/zsys · GitHub

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'''apport package hook for zsys

(c) 2020 Canonical Ltd.
'''

from contextlib import suppress
from glob import glob
import os

import apport.hookutils

def add_info(report):
    apport.hookutils.attach_related_packages(report, ["zfs-initramfs", "zfsutils-linux"])
    report['ZFSModules'] = get_zfs_kernel_modules()

    apport.hookutils.attach_file(report, '/proc/cmdline', 'ProcKernelCmdLine')
    apport.hookutils.attach_file(report, '/boot/grub/grub.cfg', "Grub.cfg")
    apport.hookutils.attach_file_if_exists(report, '/boot/grub/grub.cfg.new', "Grub.cfgFailed")

    report['MountsGenerated'] = collect_generated_mount_units()
    apport.hookutils.attach_file(report, '/proc/mounts', 'Mounts')

    report['ZFSDatasets'] = apport.hookutils.command_output(['zfs', 'list', '-t', 'all'])
    report['ZFSImportedPools'] = apport.hookutils.command_output(['zpool', 'list'])
    report['ZFSPoolsStatus'] = apport.hookutils.command_output(['zpool', 'status'])
    report['ZFSMounts'] = apport.hookutils.command_output(['zfs', 'mount'])
    report['ZSYSDump'] = apport.hookutils.command_output(['zsysctl', 'service', 'dump'])

    apport.hookutils.attach_file_if_exists(report, '/etc/zfs/zpool.cache', "ZFSPoolCache")
    with suppress(FileNotFoundError):
        zfs_listdir = '/etc/zfs/zfs-list.cache'
        for f in os.listdir(zfs_listdir):
            apport.hookutils.attach_file(report, os.path.join(zfs_listdir, f), "ZFSListcache-"+f)

    report['ZSYSJournal'] = apport.hookutils.command_output(['journalctl', '/sbin/zsysd',
                                                             '-b', '-o', 'short-monotonic', '--lines', '3000'])

    report['SystemdDefaultUnitsState'] = apport.hookutils.command_output(['systemctl', 'status', 'default.target']).strip()
    # Add details about all failed units, if any
    failed = []
    out = apport.hookutils.command_output(['systemctl', '--state=failed', '--full', '--no-legend']).strip()
    for line in out.splitlines():
        unit = line.split()[0]
        failed.append(apport.hookutils.command_output(['systemctl', 'status', '--full', unit]))
    report['SystemdFailedUnits'] = '------\n'.join(failed)


def get_zfs_kernel_modules(module_list='/proc/modules'):
    '''Get kernel loaded zfs modules and dependencies.'''

    mods = []
    with suppress(IOError):
        with open(module_list) as f:
            for l in f:
                if "zfs" not in l:
                    continue
                mods.append(l.strip())
    return "\n".join(mods)

def collect_generated_mount_units():
    '''Get mount units available through generators'''

    r = []
    gen_dir = "/run/systemd/generator/"
    for f in glob(os.path.join(gen_dir, "*.mount")):
        r.append(f[len(gen_dir):])
    return "\n".join(r)