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go_cron_bash.sh
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go_cron_bash.sh
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#!/bin/bash
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set -euo pipefail
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BIN_PATH="/usr/local/bin/haproxy_generator"
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CONFIG_PATH="/etc/haproxy/haproxy.cfg"
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NEW_CONFIG="${CONFIG_PATH}.new"
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TEMPLATE_PATH="/etc/haproxy/haproxy.tmpl"
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# Setze notwendige Umgebungsvariablen
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export HAPROXY_TEMPLATE="$TEMPLATE_PATH"
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export KUBERNETES_HOST="https://10.0.20.7:6443"
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export KUBERNETES_TOKEN="eyJhbGciOi..." # <<< hier echten Token einfügen
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export KUBERNETES_VERIFYSSL="false"
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# Prüfe, ob Template vorhanden ist
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if [ ! -f "$TEMPLATE_PATH" ]; then
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echo "[ERROR] Template-Datei nicht gefunden: $TEMPLATE_PATH" >&2
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exit 1
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fi
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# Neue Konfiguration generieren
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if ! "$BIN_PATH" > "$NEW_CONFIG"; then
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echo "[ERROR] Fehler beim Ausführen von haproxy_generator" >&2
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exit 1
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fi
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# Syntaxprüfung der neuen Konfiguration
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if ! /sbin/haproxy -f "$NEW_CONFIG" -c; then
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echo "[ERROR] Neue Konfiguration ist syntaktisch ungültig (haproxy -c)" >&2
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exit 1
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fi
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# Unterschiede prüfen und ggf. übernehmen
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if ! diff -q "$CONFIG_PATH" "$NEW_CONFIG" > /dev/null; then
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echo "[INFO] Änderungen erkannt - Konfiguration wird übernommen"
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mv "$NEW_CONFIG" "$CONFIG_PATH"
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/usr/sbin/service haproxy reload
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else
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echo "[INFO] Keine Änderungen - kein Reload notwendig"
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rm -f "$NEW_CONFIG"
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fi
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