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How to use uninstall_from_iso method in lisa

Best Python code snippet using lisa_python

tools.py

Source:tools.py

...179        return modinfo.get_version("hv_vmbus")180    def install_from_iso(self) -> ExecutableResult:181        lis_folder_path = self.download()182        return self.node.execute("./install.sh", cwd=lis_folder_path, sudo=True)183    def uninstall_from_iso(self) -> ExecutableResult:184        lis_folder_path = self.download()185        return self.node.execute("./uninstall.sh", cwd=lis_folder_path, sudo=True)186    def _check_exists(self) -> bool:187        if isinstance(self.node.os, Redhat):188            # currently LIS is only supported with Redhat189            # and its derived distros190            if self.node.os.package_exists(191                "kmod-microsoft-hyper-v"192            ) and self.node.os.package_exists("microsoft-hyper-v"):193                return True194        return False195    def _install(self) -> bool:196        result = self.install_from_iso()197        result.assert_exit_code(...

lissuite.py

Source:lissuite.py

...112        fallocate = node.tools[Fallocate]113        stat = node.tools[Stat]114        df = node.tools[Df]115        rpm = node.tools[Rpm]116        cmd_result = lisdriver.uninstall_from_iso()117        cmd_result.assert_exit_code(0, "failed to uninstall lis")118        self._clean_up_files(node)119        lib_module_folder = "/lib/modules"120        boot_folder = "/boot"121        # fetched from spec122        min_space_for_ramfs_creation = 157286400123        # 9MB to hit rpm limit124        min_sz_root_partition_not_root = 9437184125        # 10MB for log file creation126        root_partition_buffer_space = 10485760127        # allowed limit of +- 1MB128        boot_partition_buffer_space = 1048576129        root_partition = df.get_partition_by_mountpoint("/")130        boot_partition = df.get_partition_by_mountpoint("/boot")131        assert root_partition, "fail to get root partition"132        assert boot_partition, "fail to get boot partition"133        ramdisk_size_factor = 1134        if root_partition.name != boot_partition.name:135            ramdisk_size_factor = 2136        lis_path = lisdriver.download()137        os_version = node.os.information.release.split(".")138        version = os_version[0] + os_version[1]139        lib_module_required_space = rpm.get_file_size(140            f"{lis_path}/RPMS{version}/kmod-microsoft-hyper*x86_64.rpm"141        )142        uname = node.tools[Uname]143        kernel_version = uname.get_linux_information().kernel_version_raw144        ramdisk_required_space = stat.get_total_size(145            f"/boot/initramfs-{kernel_version}.img"146        )147        boot_part_required_space = ramdisk_required_space + boot_partition_buffer_space148        root_part_required_space = (149            min_space_for_ramfs_creation150            + ramdisk_size_factor * ramdisk_required_space151            + lib_module_required_space152            + root_partition_buffer_space153        )154        node.execute("sync")155        fblock_non_root = stat.get_fs_available_size(lib_module_folder)156        fblock_root = stat.get_fs_free_blocks(lib_module_folder)157        boot_part_avail_space = stat.get_fs_block_size(158            boot_folder159        ) * stat.get_fs_available_size(boot_folder)160        root_part_avail_space = (161            stat.get_fs_block_size(lib_module_folder) * fblock_non_root162        )163        if test_type == "negative":164            boot_part_required_space = int(boot_part_required_space / 2)165            root_part_required_space = int(root_part_required_space / 2)166            # 6.X distro RPM does not use root user space free space.167            # Hence setting the min limit.168            if fblock_non_root != fblock_root:169                root_part_required_space = min_sz_root_partition_not_root170            single_partition_file_size = (171                root_part_avail_space - root_part_required_space172            )173            fallocate.create_file(single_partition_file_size, "/lib/modules/file.out")174        if boot_partition != root_partition:175            single_partition_file_size_boot = (176                boot_part_avail_space - boot_part_required_space177            )178            fallocate.create_file(single_partition_file_size_boot, "/boot/file.out")179        result = lisdriver.install_from_iso()180        if test_type == "negative":181            if result.exit_code == 0:182                raise LisaException(183                    "lis should fail to be installed for insufficient space"184                )185            else:186                log.debug(f"fail to install lis for reason {result.stdout}")187        self._clean_up_files(node)188        if test_type == "positive":189            lisdriver.uninstall_from_iso()190    # Returns true if version and source_version are the same191    def _check_lis_version(192        self, node: Node, version: str, source_version: str, log: Logger193    ) -> None:194        log.debug("Detected modinfo version is {version}")195        log.debug("Version found in source code is {source_version}")196        assert_that(version).described_as(197            "Detected version and Source version are different. Expected LIS version:"198            f" {source_version}, Actual LIS version: {version}"199        )200    # Returns true if version and source_version_hex are the same201    def _check_lis_version_hex(202        self, node: Node, version: str, source_version_hex: str, log: Logger203    ) -> None:...

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