fix:#56 added update for grpc

docker-compose.dev.yml

@@ -33,6 +33,8 @@ services:
       - DATA_MANAGER_URL=htwkalender-data-manager
     networks:
       - "net"
+    depends_on:
+      - htwkalender-data-manager
 
   htwkalender-frontend:
     image: DOCKER_REGISTRY_REPO-frontend # DOCKER_REGISTRY_REPO will be replaced by CI

docker-compose.prod.yml

@@ -33,6 +33,8 @@ services:
       - DATA_MANAGER_URL=htwkalender-data-manager
     networks:
       - "net"
+    depends_on:
+      - htwkalender-data-manager
 
   htwkalender-frontend:
     image: DOCKER_REGISTRY_REPO-frontend # DOCKER_REGISTRY_REPO will be replaced by CI

docker-compose.yml

@@ -35,6 +35,8 @@ services:
       target: dev  # prod
     environment:
       - DATA_MANAGER_URL=htwkalender-data-manager
+    depends_on:
+      - htwkalender-data-manager
 
   htwkalender-frontend:
     build:

frontend/nginx.conf

@@ -27,8 +27,10 @@ http {
     include       mime.types;
     default_type  application/octet-stream;
 
-    access_log  /opt/bitnami/nginx/logs/proxy_access.log;
+    log_format anonymized '[$time_local] "$request" $status $body_bytes_sent "$http_referer"';
-    error_log   /opt/bitnami/nginx/logs/proxy_error.log;
+
+    access_log  /opt/bitnami/nginx/logs/proxy_access.log anonymized;
+    error_log   /opt/bitnami/nginx/logs/proxy_error.log error;
 
     sendfile        on;
     keepalive_timeout  180s;

reverseproxy.conf

@@ -59,8 +59,10 @@ http {
 
     real_ip_header CF-Connecting-IP;
 
-    access_log  /opt/bitnami/nginx/logs/proxy_access.log;
+    log_format anonymized '[$time_local] "$request" $status $body_bytes_sent "$http_referer"';
-    error_log   /opt/bitnami/nginx/logs/proxy_error.log;
+
+    access_log  /opt/bitnami/nginx/logs/proxy_access.log anonymized;
+    error_log   /opt/bitnami/nginx/logs/proxy_error.log error;
 
     sendfile        on;
     keepalive_timeout  180s;

reverseproxy.dev.conf

@@ -60,8 +60,10 @@ http {
 
     real_ip_header CF-Connecting-IP;
 
-    access_log  /opt/bitnami/nginx/logs/proxy_access.log;
+    log_format anonymized '[$time_local] "$request" $status $body_bytes_sent "$http_referer"';
-    error_log   /opt/bitnami/nginx/logs/proxy_error.log;
+
+    access_log  /opt/bitnami/nginx/logs/proxy_access.log anonymized;
+    error_log   /opt/bitnami/nginx/logs/proxy_error.log error;
 
     sendfile        on;
     keepalive_timeout  180s;

reverseproxy.local.conf

@@ -10,6 +10,12 @@ events {
 http {
     include       mime.types;
     default_type  application/octet-stream;
+    gzip on;
+
+    log_format anonymized '[$time_local] "$request" $status $body_bytes_sent "$http_referer"';
+
+    access_log  /opt/bitnami/nginx/logs/proxy_access.log anonymized;
+    error_log   /opt/bitnami/nginx/logs/proxy_error.log error;
 
     map $request_method $ratelimit_key {
         POST     $binary_remote_addr;

services/data-manager/service/grpc/server.go

@@ -2,8 +2,10 @@ package grpc
 
 import (
 	"github.com/pocketbase/pocketbase"
+	"google.golang.org/grpc/keepalive"
 	"log"
 	"net"
+	"time"
 
 	"google.golang.org/grpc"
 	pb "htwkalender/common/genproto/modules"
@@ -14,7 +16,20 @@ func StartGRPCServer(app *pocketbase.PocketBase) {
 	if err != nil {
 		log.Fatalf("failed to listen: %v", err)
 	}
-	s := grpc.NewServer()
+	s := grpc.NewServer(
+		grpc.KeepaliveParams(keepalive.ServerParameters{
+			MaxConnectionIdle:     5 * time.Minute,  // Idle timeout before closing connection
+			MaxConnectionAge:      30 * time.Minute, // Max time before connection is closed
+			MaxConnectionAgeGrace: 5 * time.Minute,  // Allow grace period before closing
+			Time:                  2 * time.Minute,  // Ping the client every 2 minutes
+			Timeout:               20 * time.Second, // Wait 20 seconds for ping ack
+		}),
+		grpc.KeepaliveEnforcementPolicy(keepalive.EnforcementPolicy{
+			MinTime:             1 * time.Minute, // Minimum time between pings from clients
+			PermitWithoutStream: true,            // Don't allow pings when there are no active RPCs
+		}),
+		grpc.MaxConcurrentStreams(0),
+	)
 
 	pb.RegisterModuleServiceServer(s, &ModuleServiceHandler{
 		app: app,

services/ical/main.go

@@ -39,8 +39,15 @@ func main() {
 	}
 
 	grpcClient := grpc.ConnectGRPCServer(host)
+
+	// Close the grpc connection when the main function ends
 	defer grpc.CloseGRPCServer(grpcClient)
 
+	// Log the grpc connection
+	// Test the connection to the grpc server
+	grpcClient.Connect()
+	slog.Info("GRPC connection state", "state", grpcClient.GetState())
+
 	// Initialize a new Fiber app
 	webdavRequestMethods := []string{"PROPFIND", "MKCOL", "COPY", "MOVE"}
 

services/ical/service/connector/grpc/client.go

@@ -19,14 +19,31 @@ package grpc
 import (
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials/insecure"
+	"google.golang.org/grpc/keepalive"
 	"log/slog"
+	"sync"
+	"time"
 )
 
+var conn *grpc.ClientConn
+var once sync.Once
+
 func ConnectGRPCServer(host string) *grpc.ClientConn {
-	conn, err := grpc.NewClient(host+":50051", grpc.WithTransportCredentials(insecure.NewCredentials()))
+	once.Do(func() {
-	if err != nil {
+		var err error
-		slog.Error("could not connect to grpc server", "error", err)
+		conn, err = grpc.NewClient(
-	}
+			host+":50051",
+			grpc.WithTransportCredentials(insecure.NewCredentials()),
+			grpc.WithKeepaliveParams(keepalive.ClientParameters{
+				Time:                2 * time.Minute,
+				Timeout:             20 * time.Second,
+				PermitWithoutStream: true,
+			}),
+		)
+		if err != nil {
+			slog.Error("could not connect to grpc server", "error", err)
+		}
+	})
 	return conn
 }