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29 lines
659 B
Bash
29 lines
659 B
Bash
#!/bin/bash
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get_default_iface(){
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ip route get 8.8.8.8 | awk '{ print $5; exit }'
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}
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wait_listen_port(){
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PORT="$1"
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for _ in $(seq 120); do
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if ss -lnt | grep -Pq "LISTEN.*?:$PORT +.*?\\n*"; then
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break
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fi
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sleep 0.5
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done
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# Ensure we really have the listen port, this will fail with an
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# exit code if the port is not available.
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ss -lnt | grep -Pq "LISTEN.*?:$PORT +.*?\\n*"
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}
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make_network_service() {
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SERVICE_NAME="$1"
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PORT="$2"
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systemd-run --unit "$SERVICE_NAME" sh -c "while true; do printf 'HTTP/1.1 200 OK\\n\\nok\\n' | nc -l -p $PORT -w 1; done"
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wait_listen_port "$PORT"
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}
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