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dracut: read filename dhcp option from dhcpopts file #4389

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merged 1 commit into from Nov 9, 2022
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dracut: read filename dhcp option from dhcpopts file #4389

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14 changes: 3 additions & 11 deletions dracut/fetch-kickstart-net.sh
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Expand Up @@ -26,19 +26,11 @@ case $kickstart in
# Construct URL for nfs:auto.
if [ "$kickstart" = "nfs:auto" ]; then
# Construct kickstart URL from dhcp info.
# Server is next_server, or the dhcp server itself if missing.
. /tmp/net.$netif.dhcpopts
server="${new_next_server:-$new_dhcp_server_identifier}"
# Filename is dhcp 'filename' option, or '/kickstart/' if missing.
filename="/kickstart/"
# Read the dhcp lease file and see if we can find 'filename'.
{ while read line; do
val="${line#filename }"
if [ "$val" != "$line" ]; then
eval "filename=$val" # Drop quoting and semicolon.
fi
done
} < /tmp/net.$netif.lease
. /tmp/net.$netif.dhcpopts
# Server is next_server, or the dhcp server itself if missing.
server="${new_next_server:-$new_dhcp_server_identifier}"
kickstart="nfs:$server:$filename"
fi

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