Hi,
i copied/modified isoimage-isohybrid-isar.py from isoimage-isohybrid.py and used it to create a Debian Live ISO Image.
Patches:
diff --git a/scripts/lib/wic/plugins/source/isoimage-isohybrid.py b/meta/scripts/lib/wic/plugins/source/isoimage-isohybrid-isar.py
index afc9ea0f..9ac9e4ee 100644
--- a/scripts/lib/wic/plugins/source/isoimage-isohybrid.py
+++ b/meta/scripts/lib/wic/plugins/source/isoimage-isohybrid-isar.py
@@ -2,7 +2,7 @@
# SPDX-License-Identifier: GPL-2.0-only
#
# DESCRIPTION
-# This implements the 'isoimage-isohybrid' source plugin class for 'wic'
+# This implements the 'isoimage-isohybrid-isar' source plugin class for 'wic'
#
# AUTHORS
# Mihaly Varga <mihaly.varga (at] ni.com>
@@ -12,12 +12,19 @@ import logging
import os
import re
import shutil
+import subprocess
from wic import WicError
from wic.engine import get_custom_config
from wic.pluginbase import SourcePlugin
from wic.misc import exec_cmd, exec_native_cmd, get_bitbake_var
+# allow plugins to import from isarpluginbase
+if '__file__' in globals():
+ import sys
+ sys.path.append(os.path.dirname(os.path.abspath(__file__)) + "/..")
+from isarpluginbase import (isar_get_filenames, isar_populate_boot_cmd)
+
logger = logging.getLogger('wic')
class IsoImagePlugin(SourcePlugin):
@@ -43,7 +50,7 @@ class IsoImagePlugin(SourcePlugin):
extension added by direct imeger plugin) and a file named IsoImage-cd.iso
"""
- name = 'isoimage-isohybrid'
+ name = 'isoimage-isohybrid-isar'
@classmethod
def do_configure_syslinux(cls, creator, cr_workdir):
@@ -170,8 +177,8 @@ class IsoImagePlugin(SourcePlugin):
# Create initrd from rootfs directory
initrd = "%s/initrd.cpio.gz" % cr_workdir
initrd_dir = "%s/INITRD" % cr_workdir
- shutil.copytree("%s" % rootfs_dir, \
- "%s" % initrd_dir, symlinks=True)
+ cmd = "rsync -avP --numeric-ids --exclude='/dev' --exclude='/proc' --exclude='/sys' %s %s" % (rootfs_dir, initrd_dir)
+ subprocess.call(cmd.split())
if os.path.isfile("%s/init" % rootfs_dir):
shutil.copy2("%s/init" % rootfs_dir, "%s/init" % initrd_dir)
@@ -278,13 +285,13 @@ class IsoImagePlugin(SourcePlugin):
exec_cmd(cp_cmd)
else:
# Prepare initial ramdisk
- initrd = "%s/initrd" % deploy_dir
+ pkg_suffix = get_bitbake_var('ROOTFS_PACKAGE_SUFFIX')
+ initrd = "%s/%s-initrd.img" % (deploy_dir, pkg_suffix)
if not os.path.isfile(initrd):
initrd = "%s/initrd" % img_iso_dir
- if not os.path.isfile(initrd):
initrd = cls._build_initramfs_path(rootfs_dir, cr_workdir)
- install_cmd = "install -m 0644 %s %s/initrd" % (initrd, isodir)
+ install_cmd = "install -m 0644 %s/%s %s/initrd" % (cr_workdir, initrd, isodir)
exec_cmd(install_cmd)
# Remove the temporary file created by _build_initramfs_path function
@@ -317,7 +324,7 @@ class IsoImagePlugin(SourcePlugin):
raise WicError("Coludn't find target architecture")
if re.match("x86_64", target_arch):
- grub_src_image = "grub-efi-bootx64.efi"
+ grub_src_image = "grubx64.efi"
grub_dest_image = "bootx64.efi"
elif re.match('i.86', target_arch):
grub_src_image = "grub-efi-bootia32.efi"
@@ -328,7 +335,7 @@ class IsoImagePlugin(SourcePlugin):
grub_target = os.path.join(target_dir, grub_dest_image)
if not os.path.isfile(grub_target):
- grub_src = os.path.join(deploy_dir, grub_src_image)
+ grub_src = os.path.join("/usr/lib/grub/x86_64-efi/monolithic/", grub_src_image)
if not os.path.exists(grub_src):
raise WicError("Grub loader %s is not found in %s. "
"Please build grub-efi first" % (grub_src_image, deploy_dir))
@@ -392,29 +399,39 @@ class IsoImagePlugin(SourcePlugin):
cls.do_configure_syslinux(creator, cr_workdir)
- install_cmd = "install -m 444 %s/syslinux/ldlinux.sys " % syslinux_dir
- install_cmd += "%s/isolinux/ldlinux.sys" % isodir
- exec_cmd(install_cmd)
- install_cmd = "install -m 444 %s/syslinux/isohdpfx.bin " % syslinux_dir
+ install_cmd = "install -m 444 %s/ISOLINUX/isohdpfx.bin " % syslinux_dir
install_cmd += "%s/isolinux/isohdpfx.bin" % isodir
exec_cmd(install_cmd)
- install_cmd = "install -m 644 %s/syslinux/isolinux.bin " % syslinux_dir
+ install_cmd = "install -m 644 %s/ISOLINUX/isolinux.bin " % syslinux_dir
install_cmd += "%s/isolinux/isolinux.bin" % isodir
exec_cmd(install_cmd)
- install_cmd = "install -m 644 %s/syslinux/ldlinux.c32 " % syslinux_dir
+ install_cmd = "install -m 644 %s/syslinux/modules/bios/ldlinux.c32 " % syslinux_dir
install_cmd += "%s/isolinux/ldlinux.c32" % isodir
exec_cmd(install_cmd)
+ # copy squashfs
+ pkg_suffix = get_bitbake_var('ROOTFS_PACKAGE_SUFFIX')
+ if not os.path.exists("%s/live" % isodir):
+ mk_cmd = "mkdir %s/live/" % isodir
+ exec_cmd(mk_cmd)
+
+ logger.debug("%s/%s.squashfs", (deploy_dir, pkg_suffix))
+ if os.path.exists("%s/%s.squashfs" % (deploy_dir, pkg_suffix)):
+ logger.debug("copy squashfs")
+ cp_cmd = "cp %s/%s.squashfs %s/live/filesystem.squashfs" % (deploy_dir, pkg_suffix, isodir)
+ exec_cmd(cp_cmd)
+
+
#create ISO image
iso_img = "%s/tempiso_img.iso" % cr_workdir
iso_bootimg = "isolinux/isolinux.bin"
iso_bootcat = "isolinux/boot.cat"
efi_img = "efi.img"
- mkisofs_cmd = "mkisofs -V %s " % part.label
+ mkisofs_cmd = "xorriso -as mkisofs -V %s " % part.label
mkisofs_cmd += "-o %s -U " % iso_img
mkisofs_cmd += "-J -joliet-long -r -iso-level 2 -b %s " % iso_bootimg
mkisofs_cmd += "-c %s -no-emul-boot -boot-load-size 4 " % iso_bootcat
@@ -444,6 +461,7 @@ class IsoImagePlugin(SourcePlugin):
"""
iso_img = "%s.p1" % disk.path
+ iso_img2 = "%s" % disk.path
full_path = creator._full_path(workdir, disk_name, "direct")
full_path_iso = creator._full_path(workdir, disk_name, "iso")
@@ -457,5 +475,6 @@ class IsoImagePlugin(SourcePlugin):
# direct plugin adds and configures an another MBR.
logger.debug("Replaceing the image created by direct plugin\n")
os.remove(disk.path)
+ shutil.copy2(iso_img, iso_img2)
shutil.copy2(iso_img, full_path_iso)
shutil.copy2(full_path_iso, full_path)
diff --git a/meta/classes/imagetypes.bbclass b/meta/classes/imagetypes.bbclass
index a3be0a1d..f65c2368 100644
--- a/meta/classes/imagetypes.bbclass
+++ b/meta/classes/imagetypes.bbclass
@@ -3,6 +3,13 @@
#
# SPDX-License-Identifier: MIT
+#image type: squashfs
+IMAGER_INSTALL:squashfs += "squashfs-tools"
+IMAGE_CMD:squashfs() {
+ ${SUDO_CHROOT} /bin/mksquashfs \
+ '${PP_ROOTFS}' '${IMAGE_FILE_CHROOT}' -noappend
+}
+
#image type: tar
IMAGER_INSTALL:tar = "tar"
TAR_TRANSFORM = "--transform='s|rootfs|.|'"
diff --git a/meta/classes/imagetypes_wic.bbclass b/meta/classes/imagetypes_wic.bbclass
index 3b697cdd..ff2608c6 100644
--- a/meta/classes/imagetypes_wic.bbclass
+++ b/meta/classes/imagetypes_wic.bbclass
@@ -107,7 +107,7 @@ WICVARS += "\
ROOTFS_SIZE STAGING_DATADIR STAGING_DIR STAGING_LIBDIR TARGET_SYS TRANSLATED_TARGET_ARCH"
# Isar specific vars used in our plugins
-WICVARS += "DISTRO DISTRO_ARCH"
+WICVARS += "DISTRO DISTRO_ARCH KERNEL_IMAGETYPE ROOTFS_PACKAGE_SUFFIX"
python do_rootfs_wicenv () {
wicvars = d.getVar('WICVARS')
Jan Kiszka schrieb am Freitag, 4. Oktober 2024 um 09:59:13 UTC+2:
On 28.09.24 17:31, Herbert Bernecker wrote:
> Hi everyone,
>
> I am trying to create an ISO image with Isar and mkhybridiso.wks.
> However, the build fails due to some missing files (grub, syslinux).
> It seems that the files are missing because the grup_cmd and
> syslinux_cmd are not executed in isoimage-isohybrid.py.
> Is this a configuration Problem?
> How are bootimg-pcbios.py and bootimg-efi-isar.py additionally executed?
>
> Used Isar commit: 8b30a4f86cb3ea3369bff3884141872c3a7d9979
You will have to convert that plugin to isar, see other examples in
meta/scripts/lib/wic/plugins/source/ like bootimg-biosplusefi.py ->
bootimg-biosplusefi-isar.py. Patches welcome.
Jan
--
Siemens AG, Technology
Linux Expert Center
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