How to use _initialize_serial_console method in lisa

Best Python code snippet using lisa_python

features.py

Source:features.py

...266                websockets.connect(connection_str)  # type: ignore267            )268        return self._ws269    def _write(self, cmd: str) -> None:270        self._initialize_serial_console(id=self.DEFAULT_SERIAL_PORT_ID)271        # connect to websocket and send command272        ws = self._get_connection()273        self._get_event_loop().run_until_complete(ws.send(cmd))274    def _read(self) -> str:275        self._initialize_serial_console(id=self.DEFAULT_SERIAL_PORT_ID)276        # connect to websocket277        ws = self._get_connection()278        # read all the available messages279        output: str = ""280        while True:281            try:282                msg = self._get_event_loop().run_until_complete(283                    asyncio.wait_for(ws.recv(), timeout=10)284                )285                output += msg286            except asyncio.TimeoutError:287                # this implies that the buffer is empty288                break289        # assert isinstance(self._output_string, str)290        if self._output_string in output:291            # implies that the connection was reset292            diff = output[len(self._output_string) :]293            self._output_string: str = output294            return diff295        else:296            self._output_string += output297        return output298    def _get_console_log(self, saved_path: Optional[Path]) -> bytes:299        platform: AzurePlatform = self._platform  # type: ignore300        compute_client = get_compute_client(platform)301        with global_credential_access_lock:302            diagnostic_data = (303                compute_client.virtual_machines.retrieve_boot_diagnostics_data(304                    resource_group_name=self._resource_group_name, vm_name=self._vm_name305                )306            )307        if saved_path:308            screenshot_raw_name = saved_path.joinpath("serial_console.bmp")309            screenshot_name = saved_path.joinpath("serial_console.png")310            screenshot_response = requests.get(311                diagnostic_data.console_screenshot_blob_uri312            )313            with open(screenshot_raw_name, mode="wb") as f:314                f.write(screenshot_response.content)315            try:316                with Image.open(screenshot_raw_name) as image:317                    image.save(screenshot_name, "PNG", optimize=True)318            except UnidentifiedImageError:319                self._log.debug(320                    "The screenshot is not generated. "321                    "The reason may be the VM is not started."322                )323            unlink(screenshot_raw_name)324        log_response = requests.get(diagnostic_data.serial_console_log_blob_uri)325        return log_response.content326    def _get_connection_string(self) -> str:327        # setup connection string328        platform: AzurePlatform = self._platform  # type: ignore329        connection = self._serial_port_operations.connect(330            resource_group_name=self._resource_group_name,331            resource_provider_namespace=self.RESOURCE_PROVIDER_NAMESPACE,332            parent_resource_type=self.PARENT_RESOURCE_TYPE,333            parent_resource=self._vm_name,334            serial_port=self._serial_port.name,335        )336        access_token = platform.credential.get_token(337            "https://management.core.windows.net/.default"338        ).token339        serial_port_connection_str = (340            f"{connection.connection_string}?authorization={access_token}"341        )342        return serial_port_connection_str343    def _initialize_serial_console(self, id: int) -> None:344        if self._serial_console_initialized:345            return346        platform: AzurePlatform = self._platform  # type: ignore347        with global_credential_access_lock:348            self._serial_console_client = MicrosoftSerialConsoleClient(349                credential=platform.credential, subscription_id=platform.subscription_id350            )351            self._serial_port_operations: FixedSerialPortsOperations = (352                FixedSerialPortsOperations(353                    self._serial_console_client._client,354                    self._serial_console_client._config,355                    self._serial_console_client._serialize,356                    self._serial_console_client._deserialize,357                )...

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