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Editing: kdump.py
# 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, AzurePlugin) 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/kexec", "/sys/kernel/fadump", "/sys/kernel/fadump_enabled", "/sys/kernel/fadump_registered", "/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',) option_list = [ PluginOpt("get-vm-core", default=False, val_type=bool, desc="collect vm core") ] 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(f"lsinitrd {initramfs_img}") self.add_copy_spec([ "/etc/kdump.conf", "/etc/udev/rules.d/*kexec.rules", "/usr/lib/udev/rules.d/*kexec.rules", "/var/crash/*/kexec-dmesg.log", "/var/log/kdump.log", "/var/crash/*/vmcore-creation.status", ]) 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_dir_listing(path, recursive=True) self.add_copy_spec(f"{path}/*/vmcore-dmesg.txt") self.add_copy_spec(f"{path}/*/kexec-dmesg.log") self.add_copy_spec(f"{path}/*/vmcore-creation.status") # collect the latest vmcore created in the last 24hrs <= 2GB if self.get_option("get-vm-core"): self.add_copy_spec(f"{path}/*/vmcore", sizelimit=2048, maxage=24) # collect status via kdumpctl self.add_cmd_output([ "kdumpctl status", "kdumpctl estimate", ]) class DebianKDump(KDump, DebianPlugin, UbuntuPlugin): files = ('/etc/default/kdump-tools',) packages = ('kdump-tools',) option_list = [ PluginOpt("get-vm-core", default=False, val_type=bool, desc="collect memory dumps") ] def read_kdump_conffile(self): """ Parse /etc/default/kdump-tools """ path = "/var/crash" kdump = '/etc/default/kdump-tools' with open(kdump, 'r', encoding='UTF-8') as file: for line in file: line = line.strip() if line.startswith("KDUMP_COREDIR"): path = line.split('=')[1].strip('"') return path def setup(self): super().setup() initramfs_img = "/var/lib/kdump/initrd.img-" + platform.release() if self.path_exists(initramfs_img): self.add_cmd_output(f"lsinitramfs -l {initramfs_img}") self.add_cmd_output("kdump-config show") self.add_copy_spec([ "/etc/default/kdump-tools" ]) try: path = self.read_kdump_conffile() except Exception: # pylint: disable=broad-except # set default path of coredir path = "/var/crash" self.add_dir_listing(path, recursive=True) self.add_copy_spec([ f"{path}/kexec_cmd", f"{path}/kdump_lock", f"{path}/*/dmesg*", ]) self.add_copy_spec(f"{path}/linux-image-*", sizelimit=2048, maxage=24) # collect the latest dump created in the last 24hrs <= 2GB if self.get_option("get-vm-core"): self.add_copy_spec(f"{path}/*/dump*", sizelimit=2048, maxage=24) class CosKDump(KDump, CosPlugin): option_list = [ PluginOpt(name="collect-kdumps", default=False, desc="Collect existing kdump files"), ] def setup(self): super().setup() self.add_dir_listing('/var/kdump*', recursive=True) if self.get_option("collect-kdumps"): self.add_copy_spec(["/var/kdump-*"]) class AzureKDump(KDump, AzurePlugin): files = ('/etc/kdump.conf',) packages = ('kexec-tools',) option_list = [ PluginOpt("get-vm-core", default=False, val_type=bool, desc="collect vm core") ] def read_kdump_conffile(self): """ Parse /etc/kdump file """ 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] return path def setup(self): super().setup() self.add_copy_spec([ "/etc/kdump.conf", "/usr/lib/udev/rules.d/*kexec.rules" ]) try: path = self.read_kdump_conffile() except Exception: # pylint: disable=broad-except # set no filesystem and default path path = "/var/crash" self.add_dir_listing(path, recursive=True) self.add_copy_spec(f"{path}/*/vmcore-dmesg.txt") self.add_copy_spec(f"{path}/*/kexec-dmesg.log") self.add_copy_spec(f"{path}/*/vmcore-creation.status") # collect the latest vmcore created in the last 24hrs <= 2GB if self.get_option("get-vm-core"): self.add_copy_spec(f"{path}/*/vmcore", sizelimit=2048, maxage=24) # vim: set et ts=4 sw=4 :
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