102 lines
2.3 KiB
Bash
102 lines
2.3 KiB
Bash
#!/usr/bin/env bash
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set -euo pipefail
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SELF_DIR="$(cd "$(dirname "$0")" && pwd)"
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INSTALL_TAG="${INSTALL_TAG:-neko-ip-watch}"
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. "$SELF_DIR/lib/common.sh"
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reload_watch_env() {
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unset ENABLE_NEKO NEKO_IP_WATCH_INTERVAL
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if [ -f "$STACK_ENV" ]; then
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set -a
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. "$STACK_ENV"
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set +a
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fi
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ENABLE_NEKO="${ENABLE_NEKO:-1}"
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NEKO_IP_WATCH_INTERVAL="${NEKO_IP_WATCH_INTERVAL:-15}"
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}
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normalize_interval() {
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local value="${1:-15}"
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case "$value" in
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''|*[!0-9]*)
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value=15
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;;
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esac
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if [ "$value" -lt 5 ]; then
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value=5
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fi
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printf '%s\n' "$value"
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}
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running_neko_nat1to1_values() {
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local name value
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for name in live-neko-1 live-neko-2 live-neko-3; do
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if ! docker ps --format '{{.Names}}' 2>/dev/null | grep -qx "$name"; then
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continue
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fi
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value="$(
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docker inspect "$name" --format '{{range .Config.Env}}{{println .}}{{end}}' 2>/dev/null |
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awk -F= '/^NEKO_WEBRTC_NAT1TO1=/{print $2; exit}'
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)"
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if [ -n "$value" ]; then
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printf '%s\n' "$value"
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fi
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done
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}
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maybe_refresh_neko_for_ip_change() {
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local preferred active interval cooldown active_value
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if [ "${ENABLE_NEKO:-1}" != "1" ] || ! have docker; then
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return 0
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fi
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if ! docker ps --format '{{.Names}}' 2>/dev/null | grep -Eq '^live-neko-[123]$'; then
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return 0
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fi
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preferred="$(detect_preferred_lan_ip || true)"
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if [ -z "$preferred" ]; then
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return 0
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fi
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active=""
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for active_value in $(running_neko_nat1to1_values || true); do
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[ -n "$active_value" ] || continue
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if [ "$active_value" != "$preferred" ]; then
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active="$active_value"
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break
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fi
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done
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if [ -z "$active" ]; then
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return 0
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fi
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interval="$(normalize_interval "${NEKO_IP_WATCH_INTERVAL:-15}")"
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cooldown="$interval"
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if [ "$cooldown" -lt 15 ]; then
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cooldown=15
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fi
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log "Detected Neko LAN IP drift: container=${active} current=${preferred}; restarting Neko"
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if bash "$SERVICE_CTL" neko restart; then
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log "Neko restart finished; refreshed NAT1TO1=${preferred}"
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else
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log "WARN: Neko restart failed after LAN IP drift"
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fi
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sleep "$cooldown"
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}
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main() {
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load_env
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reload_watch_env
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log "Watching Neko LAN IP changes"
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while true; do
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reload_watch_env
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maybe_refresh_neko_for_ip_change
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sleep "$(normalize_interval "${NEKO_IP_WATCH_INTERVAL:-15}")"
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done
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}
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main "$@"
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