62 lines
1.4 KiB
Plaintext
62 lines
1.4 KiB
Plaintext
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#!/bin/sh
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case $1 in
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prereqs)
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exit 0
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;;
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esac
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set -e
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# Extract kernel parameters
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set -- $(cat /proc/cmdline)
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items=""
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for x in "$@"; 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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net_*)
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item="${x#net_}"
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items="$items $item"
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;;
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platform=*)
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platform_flag="${x#platform=}"
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;;
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esac
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done
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arista_net_rename() {
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local device_path="$1"
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local new_name="$2"
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local from_name="$3"
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for path in $(ls -d /sys/class/net/$from_name* 2>/dev/null); do
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local devid="$(realpath "$path/device")"
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if echo "$devid" | grep -q "$device_path"; then
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local cur_name="${path##*/}"
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ip link set "$cur_name" name "$new_name"
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return
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fi
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done
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}
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# Iterate over all the net_maX items found in the cmdline two times.
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# First time renaming the interfaces to maX.
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# The second time renaming them to their final name ethX.
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if [ -n "$aboot_flag" -a "$platform_flag" == 'rook' ]; then
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for item in $items; do
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key="${item%=*}"
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value="${item#*=}"
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arista_net_rename "$value" "$key" eth
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done
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for item in $items; do
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key="${item%=*}"
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value="${item#*=}"
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index="${key#ma}"
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index="$(( $index - 1 ))"
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newKey="eth$index"
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arista_net_rename "$value" "$newKey" ma
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done
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fi
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