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grub: add and set coreos.randomize_disk_guid kernel param

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coreos.first_boot=1 will no longer trigger disk-guid randomization, so
manual ignition triggers in diskless/pxe scenarios may succeed.  Instead
we explicitly request the randomization when first_boot=1 was added by
grub finding the 00000000-0000-0000-0000-000000000001 disk-guid.
This commit is contained in:
Vito Caputo 2015-11-05 20:57:24 -08:00
parent 1f05a4ef79
commit 68f1b407c6
1 changed files with 4 additions and 1 deletions
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5
build_library/grub.cfg
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@ -15,6 +15,7 @@ set timeout=1
set linux_root="root=LABEL=ROOT" set linux_root="root=LABEL=ROOT"
set linux_console="" set linux_console=""
set first_boot="" set first_boot=""
set randomize_disk_guid=""
set oem_id="" set oem_id=""
# Anything else the OEM adds should use this variable. # Anything else the OEM adds should use this variable.
@ -43,6 +44,8 @@ search --no-floppy --set first_boot \
--disk-uuid 00000000-0000-0000-0000-000000000001 --disk-uuid 00000000-0000-0000-0000-000000000001
if [ -n "$first_boot" ]; then if [ -n "$first_boot" ]; then
set first_boot="coreos.first_boot=1" set first_boot="coreos.first_boot=1"
# Explicitly request the disk-guid randomization
set randomize_disk_guid="coreos.randomize_disk_guid=1"
fi fi
if [ -n "$oem_id" ]; then if [ -n "$oem_id" ]; then
@ -76,7 +79,7 @@ else
fi fi
# Assemble the options applicable to all the kernels below # Assemble the options applicable to all the kernels below
set linux_cmdline="rootflags=rw mount.usrflags=ro $linux_root $linux_console $first_boot $oem_id $linux_append" set linux_cmdline="rootflags=rw mount.usrflags=ro $linux_root $linux_console $first_boot $randomize_disk_guid $oem_id $linux_append"
menuentry "CoreOS default" --id=coreos { menuentry "CoreOS default" --id=coreos {
gptprio.next -d usr -u usr_uuid gptprio.next -d usr -u usr_uuid