66 lines
1.9 KiB
Bash
66 lines
1.9 KiB
Bash
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#!/usr/bin/env bash
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# Check network connectivity to Chain 138 RPC endpoints.
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# Usage: ./scripts/check-network-rpc-138.sh [RPC_HOST] [PORT]
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# Default: 192.168.11.211 8545 (Core RPC — VMID 2101)
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set -euo pipefail
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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PROJECT_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
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source "${PROJECT_ROOT}/config/ip-addresses.conf" 2>/dev/null || true
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HOST="${1:-${RPC_CORE_1:-192.168.11.211}}"
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PORT="${2:-8545}"
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RPC_URL="http://${HOST}:${PORT}"
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echo "=== Network connection check: $HOST (port $PORT) ==="
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echo ""
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# 1. Route
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echo "--- Route ---"
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if command -v ip &>/dev/null; then
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ip route get "$HOST" 2>/dev/null || echo "No route to $HOST"
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else
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route -n 2>/dev/null | head -5
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fi
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echo ""
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# 2. Ping (L3)
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echo "--- Ping (L3) ---"
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if ping -c 2 -W 2 "$HOST" 2>&1; then
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echo "Ping: OK"
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else
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echo "Ping: FAIL (host or ICMP unreachable)"
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fi
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echo ""
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# 3. TCP port (L4)
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echo "--- TCP port $PORT (L4) ---"
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if command -v nc &>/dev/null; then
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if nc -zv -w 3 "$HOST" "$PORT" 2>&1; then
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echo "Port $PORT: OPEN"
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else
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echo "Port $PORT: REFUSED or FILTERED (nothing listening or firewall)"
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fi
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else
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echo "nc not found; trying curl..."
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curl -s -m 3 -o /dev/null -w "curl exit %{errno}: %{errno}\n" "$RPC_URL" 2>&1 || true
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fi
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echo ""
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# 4. JSON-RPC (application)
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echo "--- JSON-RPC eth_chainId ---"
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resp=$(curl -s -m 5 -X POST "$RPC_URL" -H "Content-Type: application/json" \
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-d '{"jsonrpc":"2.0","method":"eth_chainId","params":[],"id":1}' 2>&1) || true
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if echo "$resp" | grep -q '"result"'; then
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echo "RPC: OK — $resp"
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else
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echo "RPC: FAIL — ${resp:-empty or connection failed}"
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fi
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echo ""
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echo "Summary:"
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echo " - Ping OK + Port REFUSED = host up, service not listening (start Besu RPC in container)."
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echo " - Ping OK + Port OPEN + RPC FAIL = service up but not responding JSON-RPC."
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echo " - Ping FAIL = host down or network/firewall blocking ICMP."
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