Best Python code snippet using lisa_python
kdump.py
Source:kdump.py  
...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 file...Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.
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