add grpc checker to search, settings & thumbnails

Signed-off-by: Christian Richter <crichter@owncloud.com>

ocis-pkg/handlers/checkgrpc.go

@@ -3,6 +3,7 @@ package handlers
 import (
 	"context"
 	"fmt"
+
 	"google.golang.org/grpc/credentials/insecure"
 
 	"google.golang.org/grpc"

services/search/pkg/server/debug/server.go

@@ -14,7 +14,8 @@ func Server(opts ...Option) (*http.Server, error) {
 
 	checkHandler := handlers.NewCheckHandler(
 		handlers.NewCheckHandlerConfiguration().
-			WithLogger(options.Logger),
+			WithLogger(options.Logger).
+			WithCheck("grpc reachability", handlers.NewGRPCCheck(options.Config.GRPC.Addr)),
 	)
 
 	return debug.NewService(

services/settings/pkg/server/debug/server.go

@@ -15,7 +15,8 @@ func Server(opts ...Option) (*http.Server, error) {
 	checkHandler := handlers.NewCheckHandler(
 		handlers.NewCheckHandlerConfiguration().
 			WithLogger(options.Logger).
-			WithCheck("web reachability", handlers.NewHTTPCheck(options.Config.HTTP.Addr)),
+			WithCheck("web reachability", handlers.NewHTTPCheck(options.Config.HTTP.Addr)).
+			WithCheck("grpc reachability", handlers.NewGRPCCheck(options.Config.GRPC.Addr)),
 	)
 
 	return debug.NewService(

services/thumbnails/pkg/server/debug/server.go

@@ -15,7 +15,8 @@ func Server(opts ...Option) (*http.Server, error) {
 	checkHandler := handlers.NewCheckHandler(
 		handlers.NewCheckHandlerConfiguration().
 			WithLogger(options.Logger).
-			WithCheck("web reachability", handlers.NewHTTPCheck(options.Config.HTTP.Addr)),
+			WithCheck("web reachability", handlers.NewHTTPCheck(options.Config.HTTP.Addr)).
+			WithCheck("grpc reachability", handlers.NewGRPCCheck(options.Config.GRPC.Addr)),
 	)
 
 	return debug.NewService(