How to use _get_kdump_service_name method in lisa

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kdump.py

Source:kdump.py Github

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...206 This function returns the update command string. If distro has a different207 command, override this method.208 """209 return "grub2-mkconfig -o /boot/grub2/grub.cfg"210 def _get_kdump_service_name(self) -> str:211 """212 This method returns the name of kdump service. If distro has a different name,213 needs override it.214 """215 return "kdump"216 def config_crashkernel_memory(217 self,218 crashkernel: str,219 ) -> None:220 # For Redhat 8 and later version, the cfg_file should be None.221 cfg_file = self._get_crashkernel_cfg_file()222 cmdline = self._get_crashkernel_cfg_cmdline()223 if cfg_file:224 self.node.execute(225 f"ls -lt {cfg_file}",226 expected_exit_code=0,227 expected_exit_code_failure_message=f"{cfg_file} doesn't exist",228 sudo=True,229 )230 cat = self.node.tools[Cat]231 sed = self.node.tools[Sed]232 result = cat.run(cfg_file, sudo=True, force_run=True)233 if "crashkernel" in result.stdout:234 sed.substitute(235 match_lines=f"^{cmdline}",236 regexp='crashkernel=[^[:space:]"]*',237 replacement=f"crashkernel={crashkernel}",238 file=cfg_file,239 sudo=True,240 )241 else:242 sed.substitute(243 match_lines=f"^{cmdline}",244 regexp='"$',245 replacement=f' crashkernel={crashkernel}"',246 file=cfg_file,247 sudo=True,248 )249 # Check if crashkernel is insert in cfg file250 result = cat.run(cfg_file, sudo=True, force_run=True)251 if f"crashkernel={crashkernel}" not in result.stdout:252 raise LisaException(253 f'No find "crashkernel={crashkernel}" in {cfg_file} after'254 "insert. Please double check the grub config file and insert"255 "process"256 )257 # Update grub258 update_cmd = self._get_crashkernel_update_cmd(crashkernel)259 result = self.node.execute(update_cmd, sudo=True, shell=True)260 result.assert_exit_code(message="Failed to update grub")261 def config_resource_disk_dump_path(self, dump_path: str) -> None:262 """263 If the system memory size is bigger than 1T, the default size of /var/crash264 may not be enough to store the dump file, need to configure the dump path.265 The distro which may not have enough space, need override this method.266 """267 return268 def enable_kdump_service(self) -> None:269 """270 This method enables the kdump service.271 """272 service = self.node.tools[Service]273 service.enable_service(self._get_kdump_service_name())274 def restart_kdump_service(self) -> None:275 """276 This method restarts the kdump service.277 """278 service = self.node.tools[Service]279 service.restart_service(self._get_kdump_service_name())280 def set_unknown_nmi_panic(self) -> None:281 """282 /proc/sys/kernel/unknown_nmi_panic:283 The value in this file affects behavior of handling NMI. When the value is284 non-zero, unknown NMI is trapped and then panic occurs. If need to dump the285 crash, the value should be set 1. Some architectures don't provide architected286 NMIs,such as ARM64, the system doesn't have this file, we don't need to set287 either.288 """289 nmi_panic_file = PurePath("/proc/sys/kernel/unknown_nmi_panic")290 if self.node.shell.exists(nmi_panic_file):291 sysctl = self.node.tools[Sysctl]292 sysctl.write("kernel.unknown_nmi_panic", "1")293 @retry(exceptions=LisaException, tries=60, delay=1)294 def _check_kexec_crash_loaded(self) -> None:295 """296 Sometimes it costs a while to load the value, so define this method as @retry297 """298 # If the dump_path is not "/var/crash", for example it is "/mnt/crash",299 # the kdump service may start before the /mnt is mounted. That will cause300 # "Dump path /mnt/crash does not exist" error. We need to restart it.301 if self.dump_path != "/var/crash":302 self.restart_kdump_service()303 cat = self.node.tools[Cat]304 result = cat.run(self.kexec_crash, force_run=True)305 if "1" != result.stdout:306 raise LisaException(f"{self.kexec_crash} file's value is not 1.")307 def _check_crashkernel_in_cmdline(self, crashkernel_memory: str) -> None:308 cat = self.node.tools[Cat]309 result = cat.run("/proc/cmdline", force_run=True)310 if f"crashkernel={crashkernel_memory}" not in result.stdout:311 raise LisaException(312 f"crashkernel={crashkernel_memory} boot parameter is not present in"313 "kernel cmdline"314 )315 def _check_crashkernel_memory_reserved(self) -> None:316 cat = self.node.tools[Cat]317 result = cat.run(self.iomem, force_run=True)318 if "Crash kernel" not in result.stdout:319 raise LisaException(320 f"No find 'Crash kernel' in {self.iomem}. Memory isn't reserved for"321 "crash kernel"322 )323 def check_crashkernel_loaded(self, crashkernel_memory: str) -> None:324 # Check crashkernel parameter in cmdline325 self._check_crashkernel_in_cmdline(crashkernel_memory)326 # Check crash kernel loaded327 if not self.node.shell.exists(PurePosixPath(self.kexec_crash)):328 raise LisaException(329 f"{self.kexec_crash} file doesn't exist. Kexec crash is not loaded."330 )331 self._check_kexec_crash_loaded()332 # Check if memory is reserved for crash kernel333 self._check_crashkernel_memory_reserved()334class KdumpRedhat(KdumpBase):335 @property336 def command(self) -> str:337 return "kdumpctl"338 def _install(self) -> bool:339 assert isinstance(self.node.os, Redhat)340 self.node.os.install_packages("kexec-tools")341 return self._check_exists()342 def _get_crashkernel_cfg_file(self) -> str:343 if self.node.os.information.version >= "8.0.0-0" and not isinstance(344 self.node.os, Oracle345 ):346 # For Redhat 8 and later version, we can use grubby command to config347 # crashkernel. No need to get the crashkernel cfg file348 return ""349 else:350 return "/etc/default/grub"351 def _get_crashkernel_update_cmd(self, crashkernel: str) -> str:352 if self.node.os.information.version >= "8.0.0-0" and not isinstance(353 self.node.os, Oracle354 ):355 return (356 "grubby --update-kernel=/boot/vmlinuz-$(uname -r)"357 f' --args="crashkernel={crashkernel}"'358 )359 else:360 if self.node.shell.exists(PurePosixPath("/sys/firmware/efi")):361 # System with UEFI firmware362 grub_file_path = self.node.execute(363 "find /boot/efi/EFI/* -name grub.cfg", shell=True, sudo=True364 )365 return f"grub2-mkconfig -o {grub_file_path}"366 else:367 # System with BIOS firmware368 return "grub2-mkconfig -o /boot/grub2/grub.cfg"369 def config_resource_disk_dump_path(self, dump_path: str) -> None:370 """371 If the system memory size is bigger than 1T, the default size of /var/crash372 may not be enough to store the dump file, need to change the dump path373 """374 kdump_conf = "/etc/kdump.conf"375 self.dump_path = dump_path376 # Change dump path in kdump conf377 sed = self.node.tools[Sed]378 sed.substitute(379 match_lines="^path",380 regexp="path",381 replacement="#path",382 file=kdump_conf,383 sudo=True,384 )385 sed.append(f"path {self.dump_path}", kdump_conf, sudo=True)386class KdumpDebian(KdumpBase):387 @property388 def command(self) -> str:389 return "kdump-config"390 def _install(self) -> bool:391 assert isinstance(self.node.os, Debian)392 self.node.os.install_packages("kdump-tools")393 return self._check_exists()394 def _get_crashkernel_cfg_file(self) -> str:395 return "/etc/default/grub.d/kdump-tools.cfg"396 def _get_crashkernel_update_cmd(self, crashkernel: str) -> str:397 return "update-grub"398 def _get_kdump_service_name(self) -> str:399 return "kdump-tools"400class KdumpSuse(KdumpBase):401 @property402 def command(self) -> str:403 return "kdumptool"404 def _install(self) -> bool:405 assert isinstance(self.node.os, Suse)406 self.node.os.install_packages("kdump")407 return self._check_exists()408class KdumpCBLMariner(KdumpBase):409 @property410 def command(self) -> str:411 return "kdumpctl"412 def _install(self) -> bool:...

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