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