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stages/coreos.live-artifacts: update comments/names to reflect erofs related changes

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Nikita Dubrovskii 2025-02-12 07:59:54 +01:00 • committed by Michael Vogt
parent d30cbde6f8
commit 035ced543b
1 changed files with 20 additions and 22 deletions
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42
stages/org.osbuild.coreos.live-artifacts.mono
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@ -553,8 +553,8 @@ def mkrootfs_metal(paths, workdir, img_metal, fstype, fsoptions, loop_client):
Returns the bls entry kernel arguments for the ISO bootloader.
"""
basearch = os.uname().machine
tmp_squashfs_dir = os.path.join(workdir, 'tmp-squashfs-dir')
os.mkdir(tmp_squashfs_dir)
tmp_rootfs_dir = os.path.join(workdir, 'tmp-rootfs-dir')
os.mkdir(tmp_rootfs_dir)
# Since inputs are read-only and we want to modify it, we'll make a
# copy of the metal.raw image and then mount that.
@ -569,13 +569,13 @@ def mkrootfs_metal(paths, workdir, img_metal, fstype, fsoptions, loop_client):
# If mounted via the manifest, the stage begins with mounts already in place,
# but osmet also performs a mount operation, leading to conflicts due to duplicate
# filesystem UUIDs. Perform the manual mount only after the osmet stage
subprocess.check_call(['mount', '-o', 'rw', loopdev + 'p4', tmp_squashfs_dir])
cm.callback(subprocess.run, ['umount', '-R', tmp_squashfs_dir], check=True)
subprocess.check_call(['mount', '-o', 'rw', loopdev + 'p4', tmp_rootfs_dir])
cm.callback(subprocess.run, ['umount', '-R', tmp_rootfs_dir], check=True)
subprocess.check_call(['mount', '-o', 'rw', loopdev + 'p3',
os.path.join(tmp_squashfs_dir, 'boot')])
os.path.join(tmp_rootfs_dir, 'boot')])
if basearch in ['x86_64', 'aarch64']:
subprocess.check_call(['mount', '-o', 'rw', loopdev + 'p2',
os.path.join(tmp_squashfs_dir, 'boot/efi')])
os.path.join(tmp_rootfs_dir, 'boot/efi')])
# Implements necessary CoreOS adjustments
# including creating hardlinks in the /boot/ filesystem
@ -584,43 +584,41 @@ def mkrootfs_metal(paths, workdir, img_metal, fstype, fsoptions, loop_client):
# Make sure to create it, if it is not created yet.
# Remove the sysroot=readonly flag, see https://github.com/ostreedev/ostree/issues/1921
subprocess.check_call(['sed', '-i', '/readonly=true/d', f'{tmp_squashfs_dir}/ostree/repo/config'])
subprocess.check_call(['sed', '-i', '/readonly=true/d', f'{tmp_rootfs_dir}/ostree/repo/config'])
# And ensure that the kernel binary and hmac file is in the place that dracut
# expects it to be; xref https://issues.redhat.com/browse/OCPBUGS-15843
kernel_binary = glob.glob(f"{tmp_squashfs_dir}/boot/ostree/*/vmlinuz*")[0]
kernel_hmac = glob.glob(f"{tmp_squashfs_dir}/boot/ostree/*/.*.hmac")[0]
kernel_binary = glob.glob(f"{tmp_rootfs_dir}/boot/ostree/*/vmlinuz*")[0]
kernel_hmac = glob.glob(f"{tmp_rootfs_dir}/boot/ostree/*/.*.hmac")[0]
kernel_binary_basename = os.path.basename(kernel_binary)
kernel_hmac_basename = os.path.basename(kernel_hmac)
# Create hard links in the /boot directory
os.link(kernel_hmac, f"{tmp_squashfs_dir}/boot/{kernel_hmac_basename}")
os.link(kernel_binary, f"{tmp_squashfs_dir}/boot/{kernel_binary_basename}")
os.link(kernel_hmac, f"{tmp_rootfs_dir}/boot/{kernel_hmac_basename}")
os.link(kernel_binary, f"{tmp_rootfs_dir}/boot/{kernel_binary_basename}")
print(f"Kernel binary linked: {tmp_squashfs_dir}/boot/{kernel_binary_basename}")
print(f"Kernel HMAC linked: {tmp_squashfs_dir}/boot/{kernel_hmac_basename}")
# Generate root squashfs
print(f"Kernel binary linked: {tmp_rootfs_dir}/boot/{kernel_binary_basename}")
print(f"Kernel HMAC linked: {tmp_rootfs_dir}/boot/{kernel_hmac_basename}")
# Generate root squashfs/erofs
print(f'Creating {fstype} with {fsoptions}')
# Note the filename must be exactly "root.squashfs" because the 20live
# dracut module makes assumptions about the length of the name in sysroot.mount
# this matches the set of flags we implicitly passed when doing this
# through libguestfs' mksquashfs command
# Note the filename must be exactly "root.[squash|ero]fs"
# because the 35coreos-live dracut module requires it.
if fstype == "erofs":
subprocess.check_call(['mkfs.erofs',
*fsoptions.split(' '),
paths["initrd-rootfs/root.erofs"],
tmp_squashfs_dir])
tmp_rootfs_dir])
else:
subprocess.check_call(['mksquashfs', tmp_squashfs_dir,
subprocess.check_call(['mksquashfs', tmp_rootfs_dir,
paths["initrd-rootfs/root.squashfs"],
'-root-becomes', tmp_squashfs_dir,
'-root-becomes', tmp_rootfs_dir,
'-wildcards', '-no-recovery',
*fsoptions.split(' ')])
# while it's mounted here, also get the kargs
blsentry = ensure_glob(os.path.join(tmp_squashfs_dir, 'boot/loader/entries/*.conf'), n=1)[0]
blsentry = ensure_glob(os.path.join(tmp_rootfs_dir, 'boot/loader/entries/*.conf'), n=1)[0]
blsentry_kargs = []
with open(blsentry, encoding='utf8') as f:
for line in f: