mirror of https://github.com/k3s-io/k3s
36 lines
1.1 KiB
Bash
Executable File
36 lines
1.1 KiB
Bash
Executable File
#!/bin/sh
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# Copyright 2015 The Kubernetes Authors All rights reserved.
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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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# Usage: $0 <protocol> <port> <service> [timeout]
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# protocol: tcp|udp - case insensitive
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# port: port number on which to receive and connect
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# service: the destination service name or IP
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# timeout: idle timeout in seconds (optional)
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if [[ -z "$1" -o -z "$2" -o -z "$3" ]]; then
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echo "usage: $0 <protocol> <port> <service> [timeout]"
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exit 1
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fi
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PROTO=$(echo $1 | tr a-z A-Z)
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TIMEOUT=""
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test -n "$4" && TIMEOUT="-T$4"
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CMD="socat ${TIMEOUT} ${PROTO}-LISTEN:$2,reuseaddr,fork ${PROTO}:$3:$2"
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echo "Running ${CMD}"
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exec ${CMD}
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