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[grub]: use UUID for root partition #4443

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Merged
lguohan merged 2 commits into from
Apr 19, 2020
Merged

[grub]: use UUID for root partition #4443

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e914ed9
[grub]: use UUID for root partition
lguohan Apr 18, 2020
a85e717
simplify the uuid extraction with sed
lguohan Apr 19, 2020
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17 changes: 10 additions & 7 deletions installer/x86_64/install.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -583,19 +583,22 @@ EOF
$onie_root_dir/tools/bin/onie-boot-mode -q -o install
fi

# Add a menu entry for the DEMO OS
# Add a menu entry for the SONiC OS
# Note: assume that apparmor is supported in the kernel
demo_grub_entry="$demo_volume_revision_label"
if [ "$install_env" = "sonic" ]; then
old_sonic_menuentry=$(cat /host/grub/grub.cfg | sed "/$running_sonic_revision/,/}/!d")
demo_dev=$(echo $old_sonic_menuentry | sed -e "s/.*root\=\(.*\)rw.*/\1/")
grub_cfg_root=$(echo $old_sonic_menuentry | sed -e "s/.*root\=\(.*\)rw.*/\1/")
onie_menuentry=$(cat /host/grub/grub.cfg | sed "/menuentry ONIE/,/}/!d")
fi

if [ "$install_env" = "build" ]; then
elif [ "$install_env" = "build" ]; then
grub_cfg_root=%%SONIC_ROOT%%
else
grub_cfg_root=$demo_dev
else # install_env = "onie"
uuid=$(blkid "$demo_dev" | sed -ne 's/.* UUID=\"\([^"]*\)\".*/\1/p')
if [ -z "$uuid" ]; then
grub_cfg_root=$demo_dev
else
grub_cfg_root=UUID=$uuid
fi
fi

cat <<EOF >> $grub_cfg
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