Roman Vanicek
2fe02c34f8
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continuous-integration/drone/push Build is passing
29 lines
520 B
Bash
29 lines
520 B
Bash
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#!/usr/bin/env bash
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LOCAL_REAL_IP=$(hostname -I 2>/dev/null | awk '{for(i=1;i<=NF;i++) if($i !~ /^127\./) {print $i; exit}}')
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# Split comma-separated list into array
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IFS=',' read -ra HOSTS <<< "$1"
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for host in "${HOSTS[@]}"; do
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# Resolve hostname to IP (IPv4)
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ip=$(getent hosts "$host" | awk '{print $1}')
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case "$ip" in
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127.*|::1)
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if [ -z "$LOCAL_REAL_IP" ]; then
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echo "$ip"
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else
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echo "$LOCAL_REAL_IP"
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fi
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;;
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"")
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echo "#$host (resolve failed)"
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;;
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*)
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echo "$ip"
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;;
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esac
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done
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