54 lines
1.3 KiB
Bash
Executable File
54 lines
1.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -Eeuo pipefail
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IFACE="${1:-}"
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TARGET="${2:-}"
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ENV_FILE="${GREE_CONTROLLER_ENV_FILE:-/etc/gree-controller.env}"
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if [[ -z "$IFACE" && -r "$ENV_FILE" ]]; then
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IFACE="$(sed -n 's/^GREE_CONTROLLER_GREE_INTERFACE=//p' "$ENV_FILE" | tail -n1)"
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fi
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if [[ -z "$TARGET" && -r "$ENV_FILE" ]]; then
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TARGET="$(sed -n 's/^GREE_CONTROLLER_DISCOVERY_BROADCAST=//p' "$ENV_FILE" | tail -n1)"
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TARGET="${TARGET%:*}"
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fi
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if [[ -z "$IFACE" ]]; then
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echo "Usage: $0 <interface> [broadcast-ip]" >&2
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echo "Example: $0 eth1 10.87.65.127" >&2
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exit 2
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fi
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echo "==> Interface"
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ip -br addr show dev "$IFACE"
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echo
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echo "==> IPv4 details"
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ip -4 addr show dev "$IFACE"
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echo
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echo "==> Routes"
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ip route show dev "$IFACE"
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echo
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if [[ -n "$TARGET" ]]; then
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echo "==> Route to discovery target $TARGET"
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ip route get "$TARGET" || true
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echo
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fi
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echo "==> GREE Controller environment"
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if [[ -r "$ENV_FILE" ]]; then
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grep -E '^(GREE_CONTROLLER_GREE_INTERFACE|GREE_CONTROLLER_DISCOVERY_BROADCAST|GREE_CONTROLLER_SIMULATE|GREE_CONTROLLER_AUTO_SEED)=' "$ENV_FILE" || true
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else
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echo "$ENV_FILE is not readable"
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fi
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echo
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if command -v tcpdump >/dev/null 2>&1; then
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echo "Capture discovery traffic with:"
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echo " tcpdump -ni $IFACE -vv 'udp port 7000'"
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else
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echo "tcpdump is not installed. Optional: apt-get install tcpdump"
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fi
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