sonic-buildimage/files/initramfs-tools/arista-hook

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#!/bin/sh
PREREQS="arista-convertfs"
prereqs() { echo "$PREREQS"; }
case $1 in
prereqs)
prereqs
exit 0
;;
esac
info() { printf "%04.2f: $@\n" "$(cut -f1 -d' ' /proc/uptime)"; }
err() { info "Error: $@"; }
warn() { info "Warning: $@"; }
set -e
root_mnt='/mnt/arista-firmware'
root_dev=''
aboot_flag=''
# Alway run cleanup before exit
cleanup() {
if grep -q "$root_mnt" /proc/mounts; then
umount "$root_mnt"
fi
[ -e "$root_mnt" ] && rmdir "$root_mnt"
}
trap cleanup EXIT
# Extract kernel parameters
set -- $(cat /proc/cmdline)
for x in "$@"; do
case "$x" in
Aboot=*)
aboot_flag="${x#Aboot=}"
;;
loop=*)
x1="${x#loop=}"
image_dir="${x1%/*}"
;;
SONIC_BOOT_TYPE=warm*|SONIC_BOOT_TYPE=fast*)
# Skip this script for warm-reboot and fast-reboot
exit 0
;;
esac
done
[ -z "$aboot_flag" ] && exit 0
root_dev="$ROOT"
if [ -z "$root_dev" ]; then
err "Error: root device name is not provided"
exit 1
fi
mkdir -p "$root_mnt"
mount -t ext4 "$root_dev" "$root_mnt"
get_sorted_hooks() {
echo $(find "$1" -name '[0-9][0-9]-*' -type f | sort)
}
if [ -d "$root_mnt/$image_dir/platform/hooks/boot1" ]; then
for hook in $(get_sorted_hooks "$root_mnt/$image_dir/platform/hooks/boot1"); do
if [ ! -z "$hook" ]; then
cp "$hook" /tmp/
hook="/tmp/`basename $hook`"
info "Running hook $(basename $hook)"
. "$hook"
fi
done
fi
umount "$root_mnt"
rmdir "$root_mnt"