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Diffstat (limited to 'yocto-poky/scripts/lib/wic/engine.py')
| -rw-r--r-- | yocto-poky/scripts/lib/wic/engine.py | 220 |
1 files changed, 0 insertions, 220 deletions
diff --git a/yocto-poky/scripts/lib/wic/engine.py b/yocto-poky/scripts/lib/wic/engine.py deleted file mode 100644 index 76b93e82f..000000000 --- a/yocto-poky/scripts/lib/wic/engine.py +++ /dev/null @@ -1,220 +0,0 @@ -# ex:ts=4:sw=4:sts=4:et -# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- -# -# Copyright (c) 2013, Intel Corporation. -# All rights reserved. -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License version 2 as -# published by the Free Software Foundation. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License along -# with this program; if not, write to the Free Software Foundation, Inc., -# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. -# -# DESCRIPTION - -# This module implements the image creation engine used by 'wic' to -# create images. The engine parses through the OpenEmbedded kickstart -# (wks) file specified and generates images that can then be directly -# written onto media. -# -# AUTHORS -# Tom Zanussi <tom.zanussi (at] linux.intel.com> -# - -import os -import sys - -from wic import msger, creator -from wic.utils import misc -from wic.plugin import pluginmgr -from wic.utils.oe import misc - - -def verify_build_env(): - """ - Verify that the build environment is sane. - - Returns True if it is, false otherwise - """ - if not os.environ.get("BUILDDIR"): - print "BUILDDIR not found, exiting. (Did you forget to source oe-init-build-env?)" - sys.exit(1) - - return True - - -CANNED_IMAGE_DIR = "lib/wic/canned-wks" # relative to scripts -SCRIPTS_CANNED_IMAGE_DIR = "scripts/" + CANNED_IMAGE_DIR - -def build_canned_image_list(path): - layers_path = misc.get_bitbake_var("BBLAYERS") - canned_wks_layer_dirs = [] - - if layers_path is not None: - for layer_path in layers_path.split(): - cpath = os.path.join(layer_path, SCRIPTS_CANNED_IMAGE_DIR) - canned_wks_layer_dirs.append(cpath) - - cpath = os.path.join(path, CANNED_IMAGE_DIR) - canned_wks_layer_dirs.append(cpath) - - return canned_wks_layer_dirs - -def find_canned_image(scripts_path, wks_file): - """ - Find a .wks file with the given name in the canned files dir. - - Return False if not found - """ - layers_canned_wks_dir = build_canned_image_list(scripts_path) - - for canned_wks_dir in layers_canned_wks_dir: - for root, dirs, files in os.walk(canned_wks_dir): - for fname in files: - if fname.endswith("~") or fname.endswith("#"): - continue - if fname.endswith(".wks") and wks_file + ".wks" == fname: - fullpath = os.path.join(canned_wks_dir, fname) - return fullpath - return None - - -def list_canned_images(scripts_path): - """ - List the .wks files in the canned image dir, minus the extension. - """ - layers_canned_wks_dir = build_canned_image_list(scripts_path) - - for canned_wks_dir in layers_canned_wks_dir: - for root, dirs, files in os.walk(canned_wks_dir): - for fname in files: - if fname.endswith("~") or fname.endswith("#"): - continue - if fname.endswith(".wks"): - fullpath = os.path.join(canned_wks_dir, fname) - with open(fullpath) as wks: - for line in wks: - desc = "" - idx = line.find("short-description:") - if idx != -1: - desc = line[idx + len("short-description:"):].strip() - break - basename = os.path.splitext(fname)[0] - print " %s\t\t%s" % (basename.ljust(30), desc) - - -def list_canned_image_help(scripts_path, fullpath): - """ - List the help and params in the specified canned image. - """ - found = False - with open(fullpath) as wks: - for line in wks: - if not found: - idx = line.find("long-description:") - if idx != -1: - print - print line[idx + len("long-description:"):].strip() - found = True - continue - if not line.strip(): - break - idx = line.find("#") - if idx != -1: - print line[idx + len("#:"):].rstrip() - else: - break - - -def list_source_plugins(): - """ - List the available source plugins i.e. plugins available for --source. - """ - plugins = pluginmgr.get_source_plugins() - - for plugin in plugins: - print " %s" % plugin - - -def wic_create(wks_file, rootfs_dir, bootimg_dir, kernel_dir, - native_sysroot, scripts_path, image_output_dir, - compressor, debug): - """Create image - - wks_file - user-defined OE kickstart file - rootfs_dir - absolute path to the build's /rootfs dir - bootimg_dir - absolute path to the build's boot artifacts directory - kernel_dir - absolute path to the build's kernel directory - native_sysroot - absolute path to the build's native sysroots dir - scripts_path - absolute path to /scripts dir - image_output_dir - dirname to create for image - compressor - compressor utility to compress the image - - Normally, the values for the build artifacts values are determined - by 'wic -e' from the output of the 'bitbake -e' command given an - image name e.g. 'core-image-minimal' and a given machine set in - local.conf. If that's the case, the variables get the following - values from the output of 'bitbake -e': - - rootfs_dir: IMAGE_ROOTFS - kernel_dir: DEPLOY_DIR_IMAGE - native_sysroot: STAGING_DIR_NATIVE - - In the above case, bootimg_dir remains unset and the - plugin-specific image creation code is responsible for finding the - bootimg artifacts. - - In the case where the values are passed in explicitly i.e 'wic -e' - is not used but rather the individual 'wic' options are used to - explicitly specify these values. - """ - try: - oe_builddir = os.environ["BUILDDIR"] - except KeyError: - print "BUILDDIR not found, exiting. (Did you forget to source oe-init-build-env?)" - sys.exit(1) - - if debug: - msger.set_loglevel('debug') - - crobj = creator.Creator() - - crobj.main(["direct", native_sysroot, kernel_dir, bootimg_dir, rootfs_dir, - wks_file, image_output_dir, oe_builddir, compressor or ""]) - - print "\nThe image(s) were created using OE kickstart file:\n %s" % wks_file - - -def wic_list(args, scripts_path): - """ - Print the list of images or source plugins. - """ - if len(args) < 1: - return False - - if args == ["images"]: - list_canned_images(scripts_path) - return True - elif args == ["source-plugins"]: - list_source_plugins() - return True - elif len(args) == 2 and args[1] == "help": - wks_file = args[0] - fullpath = find_canned_image(scripts_path, wks_file) - if not fullpath: - print "No image named %s found, exiting. "\ - "(Use 'wic list images' to list available images, or "\ - "specify a fully-qualified OE kickstart (.wks) "\ - "filename)\n" % wks_file - sys.exit(1) - list_canned_image_help(scripts_path, fullpath) - return True - - return False |