39 lines
1.6 KiB
Bash
39 lines
1.6 KiB
Bash
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#!/bin/bash
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# Copyright 2022 The Kubernetes Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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set -o errexit # exits immediately on any unexpected error (does not bypass traps)
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set -o nounset # will error if variables are used without first being defined
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set -o pipefail # any non-zero exit code in a piped command causes the pipeline to fail with that code
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trap on_exit ERR
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on_exit() {
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echo "Error setting etcd network tuning parameters for interface: ${DEV}" | systemd-cat -p emerg -t etcd-tuning
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}
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if [ "$#" -ne 1 ]; then
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echo "Error: Usage: $0 <dev>" | systemd-cat -p emerg -t etcd-tuning
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exit 1
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fi
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DEV=$1
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echo "Setting etcd network tuning parameters for interface: ${DEV}" | systemd-cat -p info -t etcd-tuning
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tc qdisc add dev ${DEV} root handle 1: prio bands 3
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tc filter add dev ${DEV} parent 1: protocol ip prio 1 u32 match ip sport 2380 0xffff flowid 1:1
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tc filter add dev ${DEV} parent 1: protocol ip prio 1 u32 match ip dport 2380 0xffff flowid 1:1
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tc filter add dev ${DEV} parent 1: protocol ip prio 2 u32 match ip sport 2379 0xffff flowid 1:1
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tc filter add dev ${DEV} parent 1: protocol ip prio 2 u32 match ip dport 2379 0xffff flowid 1:1
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