530 lines
19 KiB
Plaintext
530 lines
19 KiB
Plaintext
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#!/usr/bin/env python3
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# ex:ts=4:sw=4:sts=4:et
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# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
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#
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# Copyright (c) 2013, Intel Corporation.
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# All rights reserved.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# DESCRIPTION 'wic' is the OpenEmbedded Image Creator that users can
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# use to generate bootable images. Invoking it without any arguments
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# will display help screens for the 'wic' command and list the
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# available 'wic' subcommands. Invoking a subcommand without any
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# arguments will likewise display help screens for the specified
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# subcommand. Please use that interface for detailed help.
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#
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# AUTHORS
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# Tom Zanussi <tom.zanussi (at] linux.intel.com>
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#
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__version__ = "0.2.0"
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# Python Standard Library modules
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import os
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import sys
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import argparse
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import logging
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from collections import namedtuple
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from distutils import spawn
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# External modules
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scripts_path = os.path.abspath(os.path.dirname(__file__))
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lib_path = scripts_path + '/lib'
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sys.path.insert(0, lib_path)
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oe_lib_path = os.path.join(os.path.dirname(scripts_path), 'meta', 'lib')
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sys.path.insert(0, oe_lib_path)
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bitbake_exe = spawn.find_executable('bitbake')
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if bitbake_exe:
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bitbake_path = os.path.join(os.path.dirname(bitbake_exe), '../lib')
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sys.path.insert(0, bitbake_path)
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from bb import cookerdata
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from bb.main import bitbake_main, BitBakeConfigParameters
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else:
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bitbake_main = None
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from wic import WicError
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from wic.misc import get_bitbake_var, BB_VARS
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from wic import engine
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from wic import help as hlp
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def wic_logger():
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"""Create and convfigure wic logger."""
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logger = logging.getLogger('wic')
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logger.setLevel(logging.INFO)
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handler = logging.StreamHandler()
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formatter = logging.Formatter('%(levelname)s: %(message)s')
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handler.setFormatter(formatter)
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logger.addHandler(handler)
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return logger
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logger = wic_logger()
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def rootfs_dir_to_args(krootfs_dir):
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"""
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Get a rootfs_dir dict and serialize to string
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"""
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rootfs_dir = ''
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for key, val in krootfs_dir.items():
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rootfs_dir += ' '
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rootfs_dir += '='.join([key, val])
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return rootfs_dir.strip()
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class RootfsArgAction(argparse.Action):
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def __init__(self, **kwargs):
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super().__init__(**kwargs)
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def __call__(self, parser, namespace, value, option_string=None):
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if not "rootfs_dir" in vars(namespace) or \
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not type(namespace.__dict__['rootfs_dir']) is dict:
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namespace.__dict__['rootfs_dir'] = {}
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if '=' in value:
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(key, rootfs_dir) = value.split('=')
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else:
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key = 'ROOTFS_DIR'
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rootfs_dir = value
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namespace.__dict__['rootfs_dir'][key] = rootfs_dir
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def wic_create_subcommand(options, usage_str):
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"""
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Command-line handling for image creation. The real work is done
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by image.engine.wic_create()
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"""
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if options.build_rootfs and not bitbake_main:
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raise WicError("Can't build rootfs as bitbake is not in the $PATH")
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if not options.image_name:
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missed = []
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for val, opt in [(options.rootfs_dir, 'rootfs-dir'),
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(options.bootimg_dir, 'bootimg-dir'),
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(options.kernel_dir, 'kernel-dir'),
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(options.native_sysroot, 'native-sysroot')]:
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if not val:
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missed.append(opt)
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if missed:
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raise WicError("The following build artifacts are not specified: %s" %
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", ".join(missed))
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if options.image_name:
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BB_VARS.default_image = options.image_name
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else:
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options.build_check = False
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if options.vars_dir:
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BB_VARS.vars_dir = options.vars_dir
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if options.build_check and not engine.verify_build_env():
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raise WicError("Couldn't verify build environment, exiting")
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if options.debug:
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logger.setLevel(logging.DEBUG)
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if options.image_name:
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if options.build_rootfs:
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argv = ["bitbake", options.image_name]
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if options.debug:
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argv.append("--debug")
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logger.info("Building rootfs...\n")
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if bitbake_main(BitBakeConfigParameters(argv),
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cookerdata.CookerConfiguration()):
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raise WicError("bitbake exited with error")
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rootfs_dir = get_bitbake_var("IMAGE_ROOTFS", options.image_name)
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kernel_dir = get_bitbake_var("DEPLOY_DIR_IMAGE", options.image_name)
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bootimg_dir = get_bitbake_var("STAGING_DATADIR", options.image_name)
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native_sysroot = options.native_sysroot
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if options.vars_dir and not native_sysroot:
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native_sysroot = get_bitbake_var("RECIPE_SYSROOT_NATIVE", options.image_name)
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else:
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if options.build_rootfs:
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raise WicError("Image name is not specified, exiting. "
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"(Use -e/--image-name to specify it)")
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native_sysroot = options.native_sysroot
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if not options.vars_dir and (not native_sysroot or not os.path.isdir(native_sysroot)):
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logger.info("Building wic-tools...\n")
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if bitbake_main(BitBakeConfigParameters("bitbake wic-tools".split()),
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cookerdata.CookerConfiguration()):
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raise WicError("bitbake wic-tools failed")
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native_sysroot = get_bitbake_var("RECIPE_SYSROOT_NATIVE", "wic-tools")
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if not native_sysroot:
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raise WicError("Unable to find the location of the native tools sysroot")
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wks_file = options.wks_file
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if not wks_file.endswith(".wks"):
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wks_file = engine.find_canned_image(scripts_path, wks_file)
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if not wks_file:
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raise WicError("No image named %s found, exiting. (Use 'wic list images' "
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"to list available images, or specify a fully-qualified OE "
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"kickstart (.wks) filename)" % options.wks_file)
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if not options.image_name:
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rootfs_dir = ''
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if 'ROOTFS_DIR' in options.rootfs_dir:
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rootfs_dir = options.rootfs_dir['ROOTFS_DIR']
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bootimg_dir = options.bootimg_dir
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kernel_dir = options.kernel_dir
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native_sysroot = options.native_sysroot
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if rootfs_dir and not os.path.isdir(rootfs_dir):
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raise WicError("--rootfs-dir (-r) not found, exiting")
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if not os.path.isdir(bootimg_dir):
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raise WicError("--bootimg-dir (-b) not found, exiting")
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if not os.path.isdir(kernel_dir):
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raise WicError("--kernel-dir (-k) not found, exiting")
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if not os.path.isdir(native_sysroot):
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raise WicError("--native-sysroot (-n) not found, exiting")
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else:
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not_found = not_found_dir = ""
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if not os.path.isdir(rootfs_dir):
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(not_found, not_found_dir) = ("rootfs-dir", rootfs_dir)
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elif not os.path.isdir(kernel_dir):
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(not_found, not_found_dir) = ("kernel-dir", kernel_dir)
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elif not os.path.isdir(native_sysroot):
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(not_found, not_found_dir) = ("native-sysroot", native_sysroot)
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if not_found:
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if not not_found_dir:
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not_found_dir = "Completely missing artifact - wrong image (.wks) used?"
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logger.info("Build artifacts not found, exiting.")
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logger.info(" (Please check that the build artifacts for the machine")
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logger.info(" selected in local.conf actually exist and that they")
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logger.info(" are the correct artifacts for the image (.wks file)).\n")
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raise WicError("The artifact that couldn't be found was %s:\n %s", not_found, not_found_dir)
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krootfs_dir = options.rootfs_dir
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if krootfs_dir is None:
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krootfs_dir = {}
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krootfs_dir['ROOTFS_DIR'] = rootfs_dir
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rootfs_dir = rootfs_dir_to_args(krootfs_dir)
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logger.info("Creating image(s)...\n")
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engine.wic_create(wks_file, rootfs_dir, bootimg_dir, kernel_dir,
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native_sysroot, options)
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def wic_list_subcommand(args, usage_str):
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"""
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Command-line handling for listing available images.
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The real work is done by image.engine.wic_list()
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"""
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if not engine.wic_list(args, scripts_path):
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raise WicError("Bad list arguments, exiting")
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def wic_ls_subcommand(args, usage_str):
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"""
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Command-line handling for list content of images.
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The real work is done by engine.wic_ls()
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"""
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engine.wic_ls(args, args.native_sysroot)
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def wic_cp_subcommand(args, usage_str):
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"""
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Command-line handling for copying files/dirs to images.
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The real work is done by engine.wic_cp()
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"""
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engine.wic_cp(args, args.native_sysroot)
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def wic_rm_subcommand(args, usage_str):
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"""
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Command-line handling for removing files/dirs from images.
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The real work is done by engine.wic_rm()
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"""
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engine.wic_rm(args, args.native_sysroot)
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def wic_write_subcommand(args, usage_str):
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"""
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Command-line handling for writing images.
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The real work is done by engine.wic_write()
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"""
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engine.wic_write(args, args.native_sysroot)
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def wic_help_subcommand(args, usage_str):
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"""
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Command-line handling for help subcommand to keep the current
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structure of the function definitions.
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"""
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pass
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def wic_help_topic_subcommand(usage_str, help_str):
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"""
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Display function for help 'sub-subcommands'.
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"""
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print(help_str)
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return
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wic_help_topic_usage = """
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"""
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helptopics = {
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"plugins": [wic_help_topic_subcommand,
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wic_help_topic_usage,
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hlp.wic_plugins_help],
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"overview": [wic_help_topic_subcommand,
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wic_help_topic_usage,
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hlp.wic_overview_help],
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"kickstart": [wic_help_topic_subcommand,
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wic_help_topic_usage,
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hlp.wic_kickstart_help],
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"create": [wic_help_topic_subcommand,
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wic_help_topic_usage,
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hlp.wic_create_help],
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"ls": [wic_help_topic_subcommand,
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wic_help_topic_usage,
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hlp.wic_ls_help],
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"cp": [wic_help_topic_subcommand,
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wic_help_topic_usage,
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hlp.wic_cp_help],
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"rm": [wic_help_topic_subcommand,
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wic_help_topic_usage,
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hlp.wic_rm_help],
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"write": [wic_help_topic_subcommand,
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wic_help_topic_usage,
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hlp.wic_write_help],
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"list": [wic_help_topic_subcommand,
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wic_help_topic_usage,
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hlp.wic_list_help]
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}
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def wic_init_parser_create(subparser):
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subparser.add_argument("wks_file")
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subparser.add_argument("-o", "--outdir", dest="outdir", default='.',
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help="name of directory to create image in")
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subparser.add_argument("-e", "--image-name", dest="image_name",
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help="name of the image to use the artifacts from "
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"e.g. core-image-sato")
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subparser.add_argument("-r", "--rootfs-dir", action=RootfsArgAction,
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help="path to the /rootfs dir to use as the "
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".wks rootfs source")
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subparser.add_argument("-b", "--bootimg-dir", dest="bootimg_dir",
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help="path to the dir containing the boot artifacts "
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"(e.g. /EFI or /syslinux dirs) to use as the "
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".wks bootimg source")
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subparser.add_argument("-k", "--kernel-dir", dest="kernel_dir",
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help="path to the dir containing the kernel to use "
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"in the .wks bootimg")
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subparser.add_argument("-n", "--native-sysroot", dest="native_sysroot",
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help="path to the native sysroot containing the tools "
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"to use to build the image")
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subparser.add_argument("-s", "--skip-build-check", dest="build_check",
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action="store_false", default=True, help="skip the build check")
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subparser.add_argument("-f", "--build-rootfs", action="store_true", help="build rootfs")
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subparser.add_argument("-c", "--compress-with", choices=("gzip", "bzip2", "xz"),
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dest='compressor',
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help="compress image with specified compressor")
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subparser.add_argument("-m", "--bmap", action="store_true", help="generate .bmap")
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subparser.add_argument("--no-fstab-update" ,action="store_true",
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help="Do not change fstab file.")
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subparser.add_argument("-v", "--vars", dest='vars_dir',
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help="directory with <image>.env files that store "
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"bitbake variables")
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subparser.add_argument("-D", "--debug", dest="debug", action="store_true",
|
||
|
|
default=False, help="output debug information")
|
||
|
|
return
|
||
|
|
|
||
|
|
|
||
|
|
def wic_init_parser_list(subparser):
|
||
|
|
subparser.add_argument("list_type",
|
||
|
|
help="can be 'images' or 'source-plugins' "
|
||
|
|
"to obtain a list. "
|
||
|
|
"If value is a valid .wks image file")
|
||
|
|
subparser.add_argument("help_for", default=[], nargs='*',
|
||
|
|
help="If 'list_type' is a valid .wks image file "
|
||
|
|
"this value can be 'help' to show the help information "
|
||
|
|
"defined inside the .wks file")
|
||
|
|
return
|
||
|
|
|
||
|
|
def imgtype(arg):
|
||
|
|
"""
|
||
|
|
Custom type for ArgumentParser
|
||
|
|
Converts path spec to named tuple: (image, partition, path)
|
||
|
|
"""
|
||
|
|
image = arg
|
||
|
|
part = path = None
|
||
|
|
if ':' in image:
|
||
|
|
image, part = image.split(':')
|
||
|
|
if '/' in part:
|
||
|
|
part, path = part.split('/', 1)
|
||
|
|
if not path:
|
||
|
|
path = '/'
|
||
|
|
|
||
|
|
if not os.path.isfile(image):
|
||
|
|
err = "%s is not a regular file or symlink" % image
|
||
|
|
raise argparse.ArgumentTypeError(err)
|
||
|
|
|
||
|
|
return namedtuple('ImgType', 'image part path')(image, part, path)
|
||
|
|
|
||
|
|
def wic_init_parser_ls(subparser):
|
||
|
|
subparser.add_argument("path", type=imgtype,
|
||
|
|
help="image spec: <image>[:<vfat partition>[<path>]]")
|
||
|
|
subparser.add_argument("-n", "--native-sysroot",
|
||
|
|
help="path to the native sysroot containing the tools")
|
||
|
|
|
||
|
|
def imgpathtype(arg):
|
||
|
|
img = imgtype(arg)
|
||
|
|
if img.part is None:
|
||
|
|
raise argparse.ArgumentTypeError("partition number is not specified")
|
||
|
|
return img
|
||
|
|
|
||
|
|
def wic_init_parser_cp(subparser):
|
||
|
|
subparser.add_argument("src",
|
||
|
|
help="source spec")
|
||
|
|
subparser.add_argument("dest", type=imgpathtype,
|
||
|
|
help="image spec: <image>:<vfat partition>[<path>]")
|
||
|
|
subparser.add_argument("-n", "--native-sysroot",
|
||
|
|
help="path to the native sysroot containing the tools")
|
||
|
|
|
||
|
|
def wic_init_parser_rm(subparser):
|
||
|
|
subparser.add_argument("path", type=imgpathtype,
|
||
|
|
help="path: <image>:<vfat partition><path>")
|
||
|
|
subparser.add_argument("-n", "--native-sysroot",
|
||
|
|
help="path to the native sysroot containing the tools")
|
||
|
|
|
||
|
|
def expandtype(rules):
|
||
|
|
"""
|
||
|
|
Custom type for ArgumentParser
|
||
|
|
Converts expand rules to the dictionary {<partition>: size}
|
||
|
|
"""
|
||
|
|
if rules == 'auto':
|
||
|
|
return {}
|
||
|
|
result = {}
|
||
|
|
for rule in rules.split('-'):
|
||
|
|
try:
|
||
|
|
part, size = rule.split(':')
|
||
|
|
except ValueError:
|
||
|
|
raise argparse.ArgumentTypeError("Incorrect rule format: %s" % rule)
|
||
|
|
|
||
|
|
if not part.isdigit():
|
||
|
|
raise argparse.ArgumentTypeError("Rule '%s': partition number must be integer" % rule)
|
||
|
|
|
||
|
|
# validate size
|
||
|
|
multiplier = 1
|
||
|
|
for suffix, mult in [('K', 1024), ('M', 1024 * 1024), ('G', 1024 * 1024 * 1024)]:
|
||
|
|
if size.upper().endswith(suffix):
|
||
|
|
multiplier = mult
|
||
|
|
size = size[:-1]
|
||
|
|
break
|
||
|
|
if not size.isdigit():
|
||
|
|
raise argparse.ArgumentTypeError("Rule '%s': size must be integer" % rule)
|
||
|
|
|
||
|
|
result[int(part)] = int(size) * multiplier
|
||
|
|
|
||
|
|
return result
|
||
|
|
|
||
|
|
def wic_init_parser_write(subparser):
|
||
|
|
subparser.add_argument("image",
|
||
|
|
help="path to the wic image")
|
||
|
|
subparser.add_argument("target",
|
||
|
|
help="target file or device")
|
||
|
|
subparser.add_argument("-e", "--expand", type=expandtype,
|
||
|
|
help="expand rules: auto or <partition>:<size>[,<partition>:<size>]")
|
||
|
|
subparser.add_argument("-n", "--native-sysroot",
|
||
|
|
help="path to the native sysroot containing the tools")
|
||
|
|
|
||
|
|
def wic_init_parser_help(subparser):
|
||
|
|
helpparsers = subparser.add_subparsers(dest='help_topic', help=hlp.wic_usage)
|
||
|
|
for helptopic in helptopics:
|
||
|
|
helpparsers.add_parser(helptopic, help=helptopics[helptopic][2])
|
||
|
|
return
|
||
|
|
|
||
|
|
|
||
|
|
subcommands = {
|
||
|
|
"create": [wic_create_subcommand,
|
||
|
|
hlp.wic_create_usage,
|
||
|
|
hlp.wic_create_help,
|
||
|
|
wic_init_parser_create],
|
||
|
|
"list": [wic_list_subcommand,
|
||
|
|
hlp.wic_list_usage,
|
||
|
|
hlp.wic_list_help,
|
||
|
|
wic_init_parser_list],
|
||
|
|
"ls": [wic_ls_subcommand,
|
||
|
|
hlp.wic_ls_usage,
|
||
|
|
hlp.wic_ls_help,
|
||
|
|
wic_init_parser_ls],
|
||
|
|
"cp": [wic_cp_subcommand,
|
||
|
|
hlp.wic_cp_usage,
|
||
|
|
hlp.wic_cp_help,
|
||
|
|
wic_init_parser_cp],
|
||
|
|
"rm": [wic_rm_subcommand,
|
||
|
|
hlp.wic_rm_usage,
|
||
|
|
hlp.wic_rm_help,
|
||
|
|
wic_init_parser_rm],
|
||
|
|
"write": [wic_write_subcommand,
|
||
|
|
hlp.wic_write_usage,
|
||
|
|
hlp.wic_write_help,
|
||
|
|
wic_init_parser_write],
|
||
|
|
"help": [wic_help_subcommand,
|
||
|
|
wic_help_topic_usage,
|
||
|
|
hlp.wic_help_help,
|
||
|
|
wic_init_parser_help]
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
def init_parser(parser):
|
||
|
|
parser.add_argument("--version", action="version",
|
||
|
|
version="%(prog)s {version}".format(version=__version__))
|
||
|
|
subparsers = parser.add_subparsers(dest='command', help=hlp.wic_usage)
|
||
|
|
for subcmd in subcommands:
|
||
|
|
subparser = subparsers.add_parser(subcmd, help=subcommands[subcmd][2])
|
||
|
|
subcommands[subcmd][3](subparser)
|
||
|
|
|
||
|
|
|
||
|
|
def main(argv):
|
||
|
|
parser = argparse.ArgumentParser(
|
||
|
|
description="wic version %s" % __version__)
|
||
|
|
|
||
|
|
init_parser(parser)
|
||
|
|
|
||
|
|
args = parser.parse_args(argv)
|
||
|
|
|
||
|
|
if "command" in vars(args):
|
||
|
|
if args.command == "help":
|
||
|
|
if args.help_topic is None:
|
||
|
|
parser.print_help()
|
||
|
|
print()
|
||
|
|
print("Please specify a help topic")
|
||
|
|
elif args.help_topic in helptopics:
|
||
|
|
hlpt = helptopics[args.help_topic]
|
||
|
|
hlpt[0](hlpt[1], hlpt[2])
|
||
|
|
return 0
|
||
|
|
|
||
|
|
return hlp.invoke_subcommand(args, parser, hlp.wic_help_usage, subcommands)
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == "__main__":
|
||
|
|
try:
|
||
|
|
sys.exit(main(sys.argv[1:]))
|
||
|
|
except WicError as err:
|
||
|
|
print()
|
||
|
|
logger.error(err)
|
||
|
|
sys.exit(1)
|