Merge pull request #2083 from DevKyleS/patch-1

Bugfix: Fix healthcheck port value in healthcheck.js for Kubernetes support

extra/healthcheck.go

@@ -11,12 +11,17 @@ import (
 	"net/http"
 	"os"
 	"runtime"
+	"strings"
 	"time"
 )
 
 func main() {
 	isFreeBSD := runtime.GOOS == "freebsd"
 
+	// Is K8S + uptime-kuma as the container name
+	// See #2083
+	isK8s := strings.HasPrefix(os.Getenv("UPTIME_KUMA_PORT"), "tcp://")
+
 	// process.env.NODE_TLS_REJECT_UNAUTHORIZED = "0";
 	http.DefaultTransport.(*http.Transport).TLSClientConfig = &tls.Config{
 		InsecureSkipVerify: true,
@@ -44,7 +49,11 @@ func main() {
 		hostname = "127.0.0.1"
 	}
 
-	port := os.Getenv("UPTIME_KUMA_PORT")
+	port := ""
+	// UPTIME_KUMA_PORT is override by K8S unexpectedly,
+	if !isK8s {
+		port = os.Getenv("UPTIME_KUMA_PORT")
+	}
 	if len(port) == 0 {
 		port = os.Getenv("PORT")
 	}

extra/healthcheck.js

@@ -19,17 +19,17 @@ if (sslKey && sslCert) {
 
 // If host is omitted, the server will accept connections on the unspecified IPv6 address (::) when IPv6 is available and the unspecified IPv4 address (0.0.0.0) otherwise.
 // Dual-stack support for (::)
-let hostname = process.env.UPTIME_KUMA_HOST;
+let hostname = process.env.UPTIME_KUMA_SERVICE_HOST || process.env.UPTIME_KUMA_HOST || "::";
 
 // Also read HOST if not *BSD, as HOST is a system environment variable in FreeBSD
 if (!hostname && !FBSD) {
     hostname = process.env.HOST;
 }
 
-const port = parseInt(process.env.UPTIME_KUMA_PORT || process.env.PORT || 3001);
+const port = parseInt(process.env.UPTIME_KUMA_SERVICE_PORT || process.env.UPTIME_KUMA_PORT || process.env.PORT || 3001);
 
 let options = {
-    host: hostname || "127.0.0.1",
+    host: hostname,
     port: port,
     timeout: 28 * 1000,
 };