160ad641ce
- Web app (Flask): status, config, firewall, logs, users, restart - Docs: AT commands, deploy, DNS, quickstart, web GUI - Scripts: connect, deploy, diag, healthcheck, modem-status, speedtest, status, troubleshoot - Init and iptables: 5g-router, 5g-webgui, rules.v4 - CHANGELOG, TODO, REVISION; config and README updates
45 lines
1.2 KiB
Bash
45 lines
1.2 KiB
Bash
#!/bin/sh
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# Alpine 5G Router – health check for monitoring (Nagios, Uptime Kuma, etc.)
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# Exit 0 = OK, 1 = 5G down or no connectivity
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# Usage: healthcheck-5g.sh [--ping-only]
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# Rev: 1 (see REVISION in repo root)
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CONFIG="/etc/5g-router.conf"
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WAN_IF="${WAN_IF:-eth1}"
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[ -f "$CONFIG" ] && . "$CONFIG"
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PING_TARGET="${PING_TARGET:-8.8.8.8}"
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# Check default route goes via 5G
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def_if=$(ip route show default 2>/dev/null | awk '{print $5}' | head -1)
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if [ "$def_if" != "$WAN_IF" ]; then
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echo "CRITICAL: default route not via $WAN_IF (got: $def_if)"
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exit 1
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fi
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# Check WAN has an address
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wan_ip=$(ip -4 addr show "$WAN_IF" 2>/dev/null | grep -oE 'inet [0-9.]+' | awk '{print $2}')
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if [ -z "$wan_ip" ]; then
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echo "CRITICAL: no IP on $WAN_IF"
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exit 1
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fi
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if [ "$1" = "--ping-only" ]; then
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if ping -c 1 -W 3 "$PING_TARGET" >/dev/null 2>&1; then
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echo "OK: ping $PING_TARGET"
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exit 0
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else
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echo "CRITICAL: ping $PING_TARGET failed"
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exit 1
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fi
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fi
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# Full check: route + ping
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if ping -c 2 -W 5 "$PING_TARGET" >/dev/null 2>&1; then
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echo "OK: 5G up, ping $PING_TARGET"
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exit 0
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else
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echo "CRITICAL: 5G route OK but ping $PING_TARGET failed"
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exit 1
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fi
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