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# This file is part of the sos project: https://github.com/sosreport/sos
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions of
# version 2 of the GNU General Public License.
#
# See the LICENSE file in the source distribution for further information.
import platform
from sos.report.plugins import Plugin, PluginOpt, RedHatPlugin, DebianPlugin, \
UbuntuPlugin, CosPlugin
class KDump(Plugin):
short_desc = 'Kdump crash dumps'
plugin_name = "kdump"
profiles = ('system', 'debug')
def setup(self):
self.add_copy_spec([
"/proc/cmdline",
"/etc/sysconfig/kdump",
"/proc/sys/kernel/panic",
"/proc/sys/kernel/panic_on_oops",
"/sys/kernel/kexec_loaded",
"/sys/kernel/fadump_enabled",
"/sys/kernel/fadump/enabled",
"/sys/kernel/fadump_registered",
"/sys/kernel/fadump/registered",
"/sys/kernel/fadump/mem_reserved",
"/sys/kernel/kexec_crash_size"
])
self.add_copy_spec("/sys/kernel/kexec_crash_loaded",
tags="kexec_crash_loaded")
class RedHatKDump(KDump, RedHatPlugin):
files = ('/etc/kdump.conf',)
packages = ('kexec-tools',)
def fstab_parse_fs(self, device):
""" Parse /etc/fstab file """
fstab = self.path_join('/etc/fstab')
with open(fstab, 'r', encoding='UTF-8') as file:
for line in file:
if line.startswith((device)):
return line.split()[1].rstrip('/')
return ""
def read_kdump_conffile(self):
""" Parse /etc/kdump file """
fsys = ""
path = "/var/crash"
kdump = '/etc/kdump.conf'
with open(kdump, 'r', encoding='UTF-8') as file:
for line in file:
if line.startswith("path"):
path = line.split()[1]
elif line.startswith(("ext2", "ext3", "ext4", "xfs")):
device = line.split()[1]
fsys = self.fstab_parse_fs(device)
return fsys + path
def setup(self):
super().setup()
initramfs_img = "/boot/initramfs-" + platform.release() \
+ "kdump.img"
if self.path_exists(initramfs_img):
self.add_cmd_output("lsinitrd %s" % initramfs_img)
self.add_copy_spec([
"/etc/kdump.conf",
"/etc/udev/rules.d/*kexec.rules",
"/var/crash/*/kexec-dmesg.log",
"/var/log/kdump.log"
])
self.add_copy_spec("/var/crash/*/vmcore-dmesg.txt",
tags="vmcore_dmesg")
try:
path = self.read_kdump_conffile()
except Exception: # pylint: disable=broad-except
# set no filesystem and default path
path = "/var/crash"
self.add_copy_spec(f"{path}/*/vmcore-dmesg.txt")
self.add_copy_spec(f"{path}/*/kexec-dmesg.log")
class DebianKDump(KDump, DebianPlugin, UbuntuPlugin):
files = ('/etc/default/kdump-tools',)
packages = ('kdump-tools',)
def setup(self):
super().setup()
initramfs_img = "/var/lib/kdump/initrd.img-" + platform.release()
if self.path_exists(initramfs_img):
self.add_cmd_output("lsinitramfs -l %s" % initramfs_img)
self.add_cmd_output("kdump-config show")
self.add_copy_spec([
"/etc/default/kdump-tools"
])
class CosKDump(KDump, CosPlugin):
option_list = [
PluginOpt(name="collect-kdumps", default=False,
desc="Collect existing kdump files"),
]
def setup(self):
super().setup()
self.add_cmd_output('ls -alRh /var/kdump*')
if self.get_option("collect-kdumps"):
self.add_copy_spec(["/var/kdump-*"])
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