How to use _check_kexec_crash_loaded method in lisa

Best Python code snippet using lisa_python

kdump.py

Source:kdump.py Github

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...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 ):...

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