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Fallback PMA URL to reachable server IP on 8443

main
Anthony 2026-02-26 23:28:26 +08:00
parent ca583a3e6e
commit 52df5d0058
1 changed files with 53 additions and 1 deletions
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52
scripts/pma-gateway/create_pma_gateway.sh
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@ -590,8 +590,60 @@ if command -v timeout >/dev/null 2>&1; then
fi
done
# If no domain host is reachable on 8443, try reachable server IP candidates.
if [[ -z "$SELECTED_URL_HOST" ]]; then
PUBLIC_IP_CANDIDATES=()
SEEN_PUBLIC_IPS="|"
for ip_candidate in "${PUBLIC_IP:-}" "${JELASTIC_PUBLIC_IP:-}"; do
if [[ "$ip_candidate" =~ ^([0-9]{1,3}\.){3}[0-9]{1,3}$ ]] && [[ "$SEEN_PUBLIC_IPS" != *"|$ip_candidate|"* ]]; then
PUBLIC_IP_CANDIDATES+=("$ip_candidate")
SEEN_PUBLIC_IPS="${SEEN_PUBLIC_IPS}${ip_candidate}|"
fi
done
if command -v ip >/dev/null 2>&1; then
route_ip="$(ip -4 route get 1.1.1.1 2>/dev/null | awk '{for (i=1; i<=NF; i++) if ($i=="src") {print $(i+1); exit}}' || true)"
if [[ "$route_ip" =~ ^([0-9]{1,3}\.){3}[0-9]{1,3}$ ]] && [[ "$SEEN_PUBLIC_IPS" != *"|$route_ip|"* ]]; then
PUBLIC_IP_CANDIDATES+=("$route_ip")
SEEN_PUBLIC_IPS="${SEEN_PUBLIC_IPS}${route_ip}|"
fi
fi
host_ips="$(hostname -I 2>/dev/null || true)"
for ip_candidate in $host_ips; do
if [[ "$ip_candidate" =~ ^([0-9]{1,3}\.){3}[0-9]{1,3}$ ]] && [[ "$SEEN_PUBLIC_IPS" != *"|$ip_candidate|"* ]]; then
PUBLIC_IP_CANDIDATES+=("$ip_candidate")
SEEN_PUBLIC_IPS="${SEEN_PUBLIC_IPS}${ip_candidate}|"
fi
done
if [[ "${#PUBLIC_IP_CANDIDATES[@]}" -eq 0 ]] && command -v dig >/dev/null 2>&1; then
observed_public_ip="$(dig +short myip.opendns.com @resolver1.opendns.com 2>/dev/null | tail -n1 || true)"
if [[ "$observed_public_ip" =~ ^([0-9]{1,3}\.){3}[0-9]{1,3}$ ]] && [[ "$SEEN_PUBLIC_IPS" != *"|$observed_public_ip|"* ]]; then
PUBLIC_IP_CANDIDATES+=("$observed_public_ip")
SEEN_PUBLIC_IPS="${SEEN_PUBLIC_IPS}${observed_public_ip}|"
fi
fi
for ip_candidate in "${PUBLIC_IP_CANDIDATES[@]}"; do
if [[ "$ip_candidate" =~ ^(10\.|127\.|169\.254\.|172\.(1[6-9]|2[0-9]|3[0-1])\.|192\.168\.) ]]; then
continue
fi
if timeout 4 bash -c "exec 3<>/dev/tcp/$ip_candidate/8443" >/dev/null 2>&1; then
SELECTED_URL_HOST="$ip_candidate"
break
fi
done
fi
if [[ -n "$SELECTED_URL_HOST" ]] && [[ "$SELECTED_URL_HOST" != "$URL_HOST" ]]; then
if [[ "$SELECTED_URL_HOST" =~ ^([0-9]{1,3}\.){3}[0-9]{1,3}$ ]]; then
echo "WARNING: No domain candidate is reachable on 8443. Using reachable server IP '$SELECTED_URL_HOST' for gateway URL." >&2
else
echo "WARNING: Preferred URL host '$URL_HOST' is not reachable on 8443. Using '$SELECTED_URL_HOST' instead." >&2
fi
URL_HOST="$SELECTED_URL_HOST"
fi
fi