| #!/usr/bin/env python |
| # |
| # Copyright 2016 - The Android Open Source Project |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| """Acloud Kernel Utility. |
| |
| This CLI implements additional functionality to acloud CLI. |
| """ |
| import argparse |
| import sys |
| |
| from acloud.public import acloud_common |
| from acloud.public import config |
| from acloud.public.acloud_kernel import kernel_swapper |
| |
| DEFAULT_CONFIG_FILE = "acloud.config" |
| |
| # Commands |
| CMD_SWAP_KERNEL = "swap_kernel" |
| |
| |
| def _ParseArgs(args): |
| """Parse args. |
| |
| Args: |
| args: argument list passed from main. |
| |
| Returns: |
| Parsed args. |
| """ |
| parser = argparse.ArgumentParser() |
| subparsers = parser.add_subparsers() |
| |
| swap_kernel_parser = subparsers.add_parser(CMD_SWAP_KERNEL) |
| swap_kernel_parser.required = False |
| swap_kernel_parser.set_defaults(which=CMD_SWAP_KERNEL) |
| swap_kernel_parser.add_argument( |
| "--instance_name", |
| type=str, |
| dest="instance_name", |
| required=True, |
| help="The names of the instances that will have their kernels swapped, " |
| "separated by spaces, e.g. --instance_names instance-1 instance-2") |
| swap_kernel_parser.add_argument( |
| "--local_kernel_image", |
| type=str, |
| dest="local_kernel_image", |
| required=True, |
| help="Path to a local disk image to use, e.g /tmp/bzImage") |
| acloud_common.AddCommonArguments(swap_kernel_parser) |
| |
| return parser.parse_args(args) |
| |
| |
| def main(argv): |
| """Main entry. |
| |
| Args: |
| argv: list of system arguments. |
| |
| Returns: |
| 0 if success. Non-zero otherwise. |
| """ |
| args = _ParseArgs(argv) |
| config_mgr = config.AcloudConfigManager(args.config_file) |
| cfg = config_mgr.Load() |
| cfg.OverrideWithArgs(args) |
| |
| k_swapper = kernel_swapper.KernelSwapper(cfg, args.instance_name) |
| report = k_swapper.SwapKernel(args.local_kernel_image) |
| |
| report.Dump(args.report_file) |
| if report.errors: |
| msg = "\n".join(report.errors) |
| sys.stderr.write("Encountered the following errors:\n%s\n" % msg) |
| return 1 |
| return 0 |