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How to use create_diff_qcow2 method in lisa

Best Python code snippet using lisa_python

qemu_img.py

Source:qemu_img.py

...28            force_run=True,29            expected_exit_code=0,30            expected_exit_code_failure_message="Failed to create disk image.",31        )32    def create_diff_qcow2(self, output_img_path: str, backing_img_path: str) -> None:33        params = f'create -F qcow2 -f qcow2 -b "{backing_img_path}" "{output_img_path}"'34        self.run(35            params,36            force_run=True,37            expected_exit_code=0,38            expected_exit_code_failure_message="Failed to create differential disk.",39        )40    def convert(41        self, src_format: str, src_path: str, dest_format: str, dest_path: str42    ) -> None:43        self.run(44            f"convert -f {src_format} -O {dest_format} {src_path} {dest_path}",45            force_run=True,46            expected_exit_code=0,...

qemu_platform.py

Source:qemu_platform.py

...28    def _create_node_os_disk(29        self, environment: Environment, log: Logger, node: Node30    ) -> None:31        node_context = get_node_context(node)32        self.host_node.tools[QemuImg].create_diff_qcow2(33            node_context.os_disk_file_path, node_context.os_disk_base_file_path34        )35    def _get_vmm_version(self) -> str:36        result = "Unknown"37        if self.host_node:38            output = self.host_node.execute(39                "qemu-system-x86_64 --version",40                shell=True,41            ).stdout42            output = filter_ansi_escape(output)43            match = re.search(QEMU_VERSION_PATTERN, output.strip())44            if match:45                result = match.group("qemu_version")46        return result

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