# The WICVARS variable is used to define list of bitbake variables used in wic code
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# variables from this list is written to <image>.env file
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WICVARS ?= "\
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APPEND \
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ASSUME_PROVIDED \
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BBLAYERS \
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DEPLOY_DIR_IMAGE \
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FAKEROOTCMD \
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HOSTTOOLS_DIR \
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IMAGE_BASENAME \
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IMAGE_BOOT_FILES \
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IMAGE_EFI_BOOT_FILES \
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IMAGE_LINK_NAME \
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IMAGE_ROOTFS \
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IMGDEPLOYDIR \
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INITRAMFS_FSTYPES \
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INITRAMFS_IMAGE \
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INITRAMFS_IMAGE_BUNDLE \
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INITRAMFS_LINK_NAME \
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INITRD \
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INITRD_LIVE \
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ISODIR \
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KERNEL_IMAGETYPE \
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MACHINE \
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PSEUDO_IGNORE_PATHS \
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RECIPE_SYSROOT_NATIVE \
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ROOTFS_SIZE \
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STAGING_DATADIR \
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STAGING_DIR \
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STAGING_DIR_HOST \
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STAGING_LIBDIR \
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TARGET_SYS \
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"
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inherit ${@bb.utils.contains('INITRAMFS_IMAGE_BUNDLE', '1', 'kernel-artifact-names', '', d)}
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WKS_FILE ??= "${IMAGE_BASENAME}.${MACHINE}.wks"
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WKS_FILES ?= "${WKS_FILE} ${IMAGE_BASENAME}.wks"
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WKS_SEARCH_PATH ?= "${THISDIR}:${@':'.join('%s/wic' % p for p in '${BBPATH}'.split(':'))}:${@':'.join('%s/scripts/lib/wic/canned-wks' % l for l in '${BBPATH}:${COREBASE}'.split(':'))}"
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WKS_FULL_PATH = "${@wks_search(d.getVar('WKS_FILES').split(), d.getVar('WKS_SEARCH_PATH')) or ''}"
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def wks_search(files, search_path):
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for f in files:
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if os.path.isabs(f):
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if os.path.exists(f):
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return f
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else:
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searched = bb.utils.which(search_path, f)
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if searched:
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return searched
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WIC_CREATE_EXTRA_ARGS ?= ""
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IMAGE_CMD:wic () {
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out="${IMGDEPLOYDIR}/${IMAGE_NAME}"
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build_wic="${WORKDIR}/build-wic"
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tmp_wic="${WORKDIR}/tmp-wic"
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wks="${WKS_FULL_PATH}"
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if [ -e "$tmp_wic" ]; then
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# Ensure we don't have any junk leftover from a previously interrupted
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# do_image_wic execution
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rm -rf "$tmp_wic"
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fi
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if [ -z "$wks" ]; then
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bbfatal "No kickstart files from WKS_FILES were found: ${WKS_FILES}. Please set WKS_FILE or WKS_FILES appropriately."
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fi
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BUILDDIR="${TOPDIR}" PSEUDO_UNLOAD=1 wic create "$wks" --vars "${STAGING_DIR}/${MACHINE}/imgdata/" -e "${IMAGE_BASENAME}" -o "$build_wic/" -w "$tmp_wic" ${WIC_CREATE_EXTRA_ARGS}
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mv "$build_wic/$(basename "${wks%.wks}")"*.direct "$out${IMAGE_NAME_SUFFIX}.wic"
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}
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IMAGE_CMD:wic[vardepsexclude] = "WKS_FULL_PATH WKS_FILES TOPDIR"
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do_image_wic[cleandirs] = "${WORKDIR}/build-wic"
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PSEUDO_IGNORE_PATHS .= ",${WORKDIR}/build-wic"
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# Rebuild when the wks file or vars in WICVARS change
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USING_WIC = "${@bb.utils.contains_any('IMAGE_FSTYPES', 'wic ' + ' '.join('wic.%s' % c for c in '${CONVERSIONTYPES}'.split()), '1', '', d)}"
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WKS_FILE_CHECKSUM = "${@'${WKS_FULL_PATH}:%s' % os.path.exists('${WKS_FULL_PATH}') if '${USING_WIC}' else ''}"
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do_image_wic[file-checksums] += "${WKS_FILE_CHECKSUM}"
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do_image_wic[depends] += "${@' '.join('%s-native:do_populate_sysroot' % r for r in ('parted', 'gptfdisk', 'dosfstools', 'mtools'))}"
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# We ensure all artfacts are deployed (e.g virtual/bootloader)
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do_image_wic[recrdeptask] += "do_deploy"
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do_image_wic[deptask] += "do_image_complete"
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WKS_FILE_DEPENDS_DEFAULT = '${@bb.utils.contains_any("BUILD_ARCH", [ 'x86_64', 'i686' ], "syslinux-native", "",d)}'
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WKS_FILE_DEPENDS_DEFAULT += "bmap-tools-native cdrtools-native btrfs-tools-native squashfs-tools-native e2fsprogs-native"
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WKS_FILE_DEPENDS_BOOTLOADERS = ""
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WKS_FILE_DEPENDS_BOOTLOADERS:x86 = "syslinux grub-efi systemd-boot os-release"
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WKS_FILE_DEPENDS_BOOTLOADERS:x86-64 = "syslinux grub-efi systemd-boot os-release"
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WKS_FILE_DEPENDS_BOOTLOADERS:x86-x32 = "syslinux grub-efi"
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WKS_FILE_DEPENDS ??= "${WKS_FILE_DEPENDS_DEFAULT} ${WKS_FILE_DEPENDS_BOOTLOADERS}"
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DEPENDS += "${@ '${WKS_FILE_DEPENDS}' if d.getVar('USING_WIC') else '' }"
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python do_write_wks_template () {
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"""Write out expanded template contents to WKS_FULL_PATH."""
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import re
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template_body = d.getVar('_WKS_TEMPLATE')
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# Remove any remnant variable references left behind by the expansion
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# due to undefined variables
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expand_var_regexp = re.compile(r"\${[^{}@\n\t :]+}")
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while True:
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new_body = re.sub(expand_var_regexp, '', template_body)
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if new_body == template_body:
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break
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else:
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template_body = new_body
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wks_file = d.getVar('WKS_FULL_PATH')
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with open(wks_file, 'w') as f:
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f.write(template_body)
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f.close()
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# Copy the finalized wks file to the deploy directory for later use
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depdir = d.getVar('IMGDEPLOYDIR')
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basename = d.getVar('IMAGE_BASENAME')
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bb.utils.copyfile(wks_file, "%s/%s" % (depdir, basename + '-' + os.path.basename(wks_file)))
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}
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do_flush_pseudodb() {
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${FAKEROOTENV} ${FAKEROOTCMD} -S
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}
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python () {
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if d.getVar('USING_WIC'):
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wks_file_u = d.getVar('WKS_FULL_PATH', False)
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wks_file = d.expand(wks_file_u)
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base, ext = os.path.splitext(wks_file)
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if ext == '.in' and os.path.exists(wks_file):
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wks_out_file = os.path.join(d.getVar('WORKDIR'), os.path.basename(base))
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d.setVar('WKS_FULL_PATH', wks_out_file)
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d.setVar('WKS_TEMPLATE_PATH', wks_file_u)
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d.setVar('WKS_FILE_CHECKSUM', '${WKS_TEMPLATE_PATH}:True')
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# We need to re-parse each time the file changes, and bitbake
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# needs to be told about that explicitly.
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bb.parse.mark_dependency(d, wks_file)
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try:
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with open(wks_file, 'r') as f:
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body = f.read()
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except (IOError, OSError) as exc:
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pass
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else:
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# Previously, I used expandWithRefs to get the dependency list
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# and add it to WICVARS, but there's no point re-parsing the
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# file in process_wks_template as well, so just put it in
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# a variable and let the metadata deal with the deps.
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d.setVar('_WKS_TEMPLATE', body)
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bb.build.addtask('do_write_wks_template', 'do_image_wic', 'do_image', d)
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bb.build.addtask('do_image_wic', 'do_image_complete', None, d)
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}
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#
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# Write environment variables used by wic
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# to tmp/sysroots/<machine>/imgdata/<image>.env
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#
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python do_rootfs_wicenv () {
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wicvars = d.getVar('WICVARS')
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if not wicvars:
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return
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stdir = d.getVar('STAGING_DIR')
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outdir = os.path.join(stdir, d.getVar('MACHINE'), 'imgdata')
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bb.utils.mkdirhier(outdir)
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basename = d.getVar('IMAGE_BASENAME')
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with open(os.path.join(outdir, basename) + '.env', 'w') as envf:
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for var in wicvars.split():
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value = d.getVar(var)
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if value:
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envf.write('%s="%s"\n' % (var, value.strip()))
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envf.close()
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# Copy .env file to deploy directory for later use with stand alone wic
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depdir = d.getVar('IMGDEPLOYDIR')
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bb.utils.copyfile(os.path.join(outdir, basename) + '.env', os.path.join(depdir, basename) + '.env')
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}
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addtask do_flush_pseudodb after do_rootfs before do_image do_image_qa
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addtask do_rootfs_wicenv after do_image before do_image_wic
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do_rootfs_wicenv[vardeps] += "${WICVARS}"
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do_rootfs_wicenv[prefuncs] = 'set_image_size'
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