8000 launcher: Print kernel cmdline on builds by alexmwu · Pull Request #268 · google/go-tpm-tools · GitHub
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launcher: Print kernel cmdline on builds #268

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Merged
merged 1 commit into from
Sep 26, 2023
Merged

launcher: Print kernel cmdline on builds #268

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11 changes: 10 additions & 1 deletion launcher/image/fixup_oem.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,16 @@ main() {
sed -i -e 's|,oemroot|;oemroot|g' /mnt/disks/efi/efi/boot/grub.cfg
fi

cat /mnt/disks/efi/efi/boot/grub.cfg
# Print grub.cfg's kernel command line.
grep -i '^\s*linux' /mnt/disks/efi/efi/boot/grub.cfg | \
sed -e 's|.*|[BEGIN_CS_GRUB_CMDLINE]&[END_CS_GRUB_CMDLINE]|g'

# Convert grub.cfg's kernel command line into what GRUB passes to the kernel.
grep -i '^\s*linux' /mnt/disks/efi/efi/boot/grub.cfg | \
sed -e "s|'ds=nocloud;s=/usr/share/oem/'|ds=nocloud;s=/usr/share/oem/|g" | \
sed -e 's|\\"|"|g' | \
sed -e 's|dm-mod.create="|"dm-mod.create=|g' | \
sed -e 's|.*|[BEGIN_CS_CMDLINE]&[END_CS_CMDLINE]|g'

umount /mnt/disks/efi
}
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4 changes: 2 additions & 2 deletions launcher/image/preload.sh
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Expand Up @@ -108,10 +108,10 @@ main() {

if [[ "${IMAGE_ENV}" == "debug" ]]; then
configure_systemd_units_for_debug
append_cmdline "'confidential-space.hardened=false'"
append_cmdline "confidential-space.hardened=false"
elif [[ "${IMAGE_ENV}" == "hardened" ]]; then
configure_systemd_units_for_hardened
append_cmdline "'confidential-space.hardened=true'"
append_cmdline "confidential-space.hardened=true"
else
echo "Unknown image env: ${IMAGE_ENV}." \
"Only 'debug' and 'hardened' are supported."
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