d632569a6a
We are going to use initramfs hook for firmware upgrades To install Arista hook: - create folder /mnt/flash/<image dir>/platform/hooks/boot1/ from Aboot or /host/<image dir>/platform/hooks/boot1/ from Sonic - add executable script to created folder
75 lines
1.4 KiB
Bash
75 lines
1.4 KiB
Bash
#!/bin/sh
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PREREQS="arista-convertfs"
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prereqs() { echo "$PREREQS"; }
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case $1 in
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prereqs)
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prereqs
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exit 0
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;;
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esac
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info() { printf "%04.2f: $@\n" "$(cut -f1 -d' ' /proc/uptime)"; }
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err() { info "Error: $@"; }
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warn() { info "Warning: $@"; }
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set -e
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root_mnt='/mnt/arista-firmware'
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root_dev=''
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aboot_flag=''
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# Alway run cleanup before exit
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cleanup() {
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if grep -q "$root_mnt" /proc/mounts; then
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umount "$root_mnt"
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fi
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[ -e "$root_mnt" ] && rmdir "$root_mnt"
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}
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trap cleanup EXIT
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# Extract kernel parameters
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set -- $(cat /proc/cmdline)
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for x in "$@"; do
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case "$x" in
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Aboot=*)
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aboot_flag="${x#Aboot=}"
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;;
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loop=*)
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x1="${x#loop=}"
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image_dir="${x1%/*}"
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;;
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esac
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done
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[ -z "$aboot_flag" ] && exit 0
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root_dev="$ROOT"
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if [ -z "$root_dev" ]; then
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err "Error: root device name is not provided"
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exit 1
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fi
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mkdir -p "$root_mnt"
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mount -t ext4 "$root_dev" "$root_mnt"
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get_sorted_hooks() {
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echo $(find "$1" -name '[0-9][0-9]-*' -type f | sort)
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}
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if [ -d "$root_mnt/$image_dir/platform/hooks/boot1" ]; then
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for hook in $(get_sorted_hooks "$root_mnt/$image_dir/platform/hooks/boot1"); do
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if [ ! -z "$hook" ]; then
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cp "$hook" /tmp/
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hook="/tmp/`basename $hook`"
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info "Running hook $(basename $hook)"
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. "$hook"
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fi
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done
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fi
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umount "$root_mnt"
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rmdir "$root_mnt"
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