feat: Flux app detail

Wire.go

@@ -41,6 +41,7 @@ import (
 	"github.com/devtron-labs/devtron/api/deployment"
 	"github.com/devtron-labs/devtron/api/devtronResource"
 	"github.com/devtron-labs/devtron/api/externalLink"
+	fluxApplication "github.com/devtron-labs/devtron/api/fluxApplication"
 	client "github.com/devtron-labs/devtron/api/helm-app"
 	"github.com/devtron-labs/devtron/api/infraConfig"
 	"github.com/devtron-labs/devtron/api/k8s"
@@ -193,7 +194,7 @@ func InitializeApp() (*App, error) {
 		build.BuildWireSet,
 		deployment2.DeploymentWireSet,
 		argoApplication.ArgoApplicationWireSet,
-
+		fluxApplication.FluxApplicationWireSet,
 		eventProcessor.EventProcessorWireSet,
 		workflow3.WorkflowWireSet,
 

api/connector/Connector.go

@@ -147,9 +147,11 @@ func (impl PumpImpl) StartStreamWithTransformer(w http.ResponseWriter, recv func
 	f, ok := w.(http.Flusher)
 	if !ok {
 		http.Error(w, "unexpected server doesnt support streaming", http.StatusInternalServerError)
+		impl.logger.Debugw("unexpected server doesnt support streaming", "internal Server error", http.StatusInternalServerError)
 	}
 	if err != nil {
 		http.Error(w, errors.Details(err), http.StatusInternalServerError)
+		impl.logger.Debugw("error occurred during the setting up the flusher in wrote header  ", "error", err)
 	}
 	w.Header().Set("Transfer-Encoding", "chunked")
 	w.Header().Set("Content-Type", "text/event-stream")
@@ -160,26 +162,35 @@ func (impl PumpImpl) StartStreamWithTransformer(w http.ResponseWriter, recv func
 	for {
 		resp, err := recv()
 		if err == io.EOF {
+			impl.logger.Debugw("error in receiving stream proto message ", "error", err)
 			return
 		}
+		impl.logger.Debugw("receiving stream proto message ", "response", resp, "error", err)
+
 		if err != nil {
 			impl.logger.Errorf("Error occurred while reading data from argocd %+v\n", err)
 			impl.handleForwardResponseStreamError(wroteHeader, w, err)
+			impl.logger.Debugw("Failed to send response chunk ", "error", err)
+
 			return
 		}
 		response := bean.Response{}
 		response.Result = transformer(resp)
 		buf, err := json.Marshal(response)
 		data := "data: " + string(buf)
+
 		if _, err = w.Write([]byte(data)); err != nil {
 			impl.logger.Errorf("Failed to send response chunk: %v", err)
+			impl.logger.Debugw("Failed to send response chunk ", "error", err)
 			return
 		}
 		wroteHeader = true
 		if _, err = w.Write(delimiter); err != nil {
 			impl.logger.Errorf("Failed to send delimiter chunk: %v", err)
+			impl.logger.Debugw("failed to send delimiter chunk ", "error", err)
 			return
 		}
+		impl.logger.Debugw("sending chunk data ", "data", data, "wroteheader", w)
 		f.Flush()
 	}
 }

api/fluxApplication/FluxApplicationRestHandler.go

@@ -0,0 +1,94 @@
+package fluxApplication
+
+import (
+	"errors"
+	"github.com/devtron-labs/devtron/api/restHandler/common"
+	"github.com/devtron-labs/devtron/pkg/auth/authorisation/casbin"
+	clientErrors "github.com/devtron-labs/devtron/pkg/errors"
+	"github.com/devtron-labs/devtron/pkg/fluxApplication"
+	"github.com/gorilla/mux"
+	"go.uber.org/zap"
+	"net/http"
+)
+
+type FluxApplicationRestHandler interface {
+	ListFluxApplications(w http.ResponseWriter, r *http.Request)
+	GetApplicationDetail(w http.ResponseWriter, r *http.Request)
+}
+
+type FluxApplicationRestHandlerImpl struct {
+	fluxApplicationService fluxApplication.FluxApplicationService
+	logger                 *zap.SugaredLogger
+	enforcer               casbin.Enforcer
+}
+
+func NewFluxApplicationRestHandlerImpl(fluxApplicationService fluxApplication.FluxApplicationService,
+	logger *zap.SugaredLogger, enforcer casbin.Enforcer) *FluxApplicationRestHandlerImpl {
+	return &FluxApplicationRestHandlerImpl{
+		fluxApplicationService: fluxApplicationService,
+		logger:                 logger,
+		enforcer:               enforcer,
+	}
+
+}
+
+func (handler *FluxApplicationRestHandlerImpl) ListFluxApplications(w http.ResponseWriter, r *http.Request) {
+
+	//handle super-admin RBAC
+	token := r.Header.Get("token")
+	if ok := handler.enforcer.Enforce(token, casbin.ResourceGlobal, casbin.ActionGet, "*"); !ok {
+		common.WriteJsonResp(w, errors.New("unauthorized"), nil, http.StatusForbidden)
+		return
+	}
+	v := r.URL.Query()
+	clusterIdString := v.Get("clusterIds")
+	var clusterIds []int
+	var err error
+
+	//handling when the clusterIds string is empty ,it will not support the
+	if len(clusterIdString) == 0 {
+		handler.logger.Errorw("error in getting cluster ids", "error", err, "clusterIds", clusterIds)
+		common.WriteJsonResp(w, errors.New("error in getting cluster ids"), nil, http.StatusBadRequest)
+		return
+	}
+	clusterIds, err = common.ExtractIntArrayQueryParam(w, r, "clusterIds")
+	if err != nil {
+		handler.logger.Errorw("error in getting cluster ids", "error", err, "clusterIds", clusterIds)
+		return
+	}
+	handler.logger.Debugw("extracted ClusterIds successfully ", "clusterIds", clusterIds)
+	handler.fluxApplicationService.ListFluxApplications(r.Context(), clusterIds, w)
+}
+
+func (handler *FluxApplicationRestHandlerImpl) GetApplicationDetail(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	appIdString := vars["appId"]
+	appIdentifier, err := fluxApplication.DecodeFluxExternalAppId(appIdString)
+	if err != nil {
+		common.WriteJsonResp(w, err, nil, http.StatusBadRequest)
+		return
+	}
+	if appIdentifier.IsKustomizeApp == true && appIdentifier.Name == "flux-system" && appIdentifier.Namespace == "flux-system" {
+
+		common.WriteJsonResp(w, errors.New("cannot proceed for the flux system root level "), nil, http.StatusBadRequest)
+		return
+	}
+
+	// handle super-admin RBAC
+	token := r.Header.Get("token")
+	if ok := handler.enforcer.Enforce(token, casbin.ResourceGlobal, casbin.ActionGet, "*"); !ok {
+		common.WriteJsonResp(w, errors.New("unauthorized"), nil, http.StatusForbidden)
+		return
+	}
+
+	res, err := handler.fluxApplicationService.GetFluxAppDetail(r.Context(), appIdentifier)
+	if err != nil {
+		apiError := clientErrors.ConvertToApiError(err)
+		if apiError != nil {
+			err = apiError
+		}
+		common.WriteJsonResp(w, err, nil, http.StatusInternalServerError)
+		return
+	}
+	common.WriteJsonResp(w, err, res, http.StatusOK)
+}

api/fluxApplication/FluxApplicationRouter.go

@@ -0,0 +1,27 @@
+package fluxApplication
+
+import (
+	"github.com/gorilla/mux"
+)
+
+type FluxApplicationRouter interface {
+	InitFluxApplicationRouter(fluxApplicationRouter *mux.Router)
+}
+
+type FluxApplicationRouterImpl struct {
+	fluxApplicationRestHandler FluxApplicationRestHandler
+}
+
+func NewFluxApplicationRouterImpl(fluxApplicationRestHandler FluxApplicationRestHandler) *FluxApplicationRouterImpl {
+	return &FluxApplicationRouterImpl{
+		fluxApplicationRestHandler: fluxApplicationRestHandler,
+	}
+}
+
+func (impl *FluxApplicationRouterImpl) InitFluxApplicationRouter(fluxApplicationRouter *mux.Router) {
+	fluxApplicationRouter.Path("").
+		Methods("GET").
+		HandlerFunc(impl.fluxApplicationRestHandler.ListFluxApplications)
+	fluxApplicationRouter.Path("/app").Queries("appId", "{appId}").
+		HandlerFunc(impl.fluxApplicationRestHandler.GetApplicationDetail).Methods("GET")
+}

api/fluxApplication/wire_fluxApplication.go

@@ -0,0 +1,17 @@
+package fluxApplication
+
+import (
+	"github.com/devtron-labs/devtron/pkg/fluxApplication"
+	"github.com/google/wire"
+)
+
+var FluxApplicationWireSet = wire.NewSet(
+	fluxApplication.NewFluxApplicationServiceImpl,
+	wire.Bind(new(fluxApplication.FluxApplicationService), new(*fluxApplication.FluxApplicationServiceImpl)),
+
+	NewFluxApplicationRestHandlerImpl,
+	wire.Bind(new(FluxApplicationRestHandler), new(*FluxApplicationRestHandlerImpl)),
+
+	NewFluxApplicationRouterImpl,
+	wire.Bind(new(FluxApplicationRouter), new(*FluxApplicationRouterImpl)),
+)

api/helm-app/gRPC/applicationClient.go

@@ -29,6 +29,7 @@ import (
 
 type HelmAppClient interface {
 	ListApplication(ctx context.Context, req *AppListRequest) (ApplicationService_ListApplicationsClient, error)
+	ListFluxApplication(ctx context.Context, req *AppListRequest) (ApplicationService_ListFluxApplicationsClient, error)
 	GetAppDetail(ctx context.Context, in *AppDetailRequest) (*AppDetail, error)
 	GetResourceTreeForExternalResources(ctx context.Context, in *ExternalResourceTreeRequest) (*ResourceTreeResponse, error)
 	GetAppStatus(ctx context.Context, in *AppDetailRequest) (*AppStatus, error)
@@ -49,6 +50,7 @@ type HelmAppClient interface {
 	InstallReleaseWithCustomChart(ctx context.Context, in *HelmInstallCustomRequest) (*HelmInstallCustomResponse, error)
 	GetNotes(ctx context.Context, request *InstallReleaseRequest) (*ChartNotesResponse, error)
 	ValidateOCIRegistry(ctx context.Context, OCIRegistryRequest *RegistryCredential) (*OCIRegistryResponse, error)
+	GetExternalFluxAppDetail(ctx context.Context, in *FluxAppDetailRequest) (*FluxAppDetail, error)
 }
 
 type HelmAppClientImpl struct {
@@ -362,3 +364,30 @@ func (impl *HelmAppClientImpl) ValidateOCIRegistry(ctx context.Context, in *Regi
 	}
 	return response, nil
 }
+func (impl *HelmAppClientImpl) ListFluxApplication(ctx context.Context, req *AppListRequest) (ApplicationService_ListFluxApplicationsClient, error) {
+
+	applicationClient, err := impl.getApplicationClient()
+	if err != nil {
+		return nil, err
+	}
+	impl.logger.Debugw("established the app client successfully", "AppListRequest", req)
+	stream, err := applicationClient.ListFluxApplications(ctx, req)
+	if err != nil {
+		impl.logger.Debugw("error received from kubelink", "stream", stream, "error", err)
+
+		return nil, err
+	}
+	impl.logger.Debugw("stream received from kubelink", "stream", stream, "error", err)
+	return stream, nil
+}
+func (impl *HelmAppClientImpl) GetExternalFluxAppDetail(ctx context.Context, in *FluxAppDetailRequest) (*FluxAppDetail, error) {
+	applicationClient, err := impl.getApplicationClient()
+	if err != nil {
+		return nil, err
+	}
+	detail, err := applicationClient.GetFluxAppDetail(ctx, in)
+	if err != nil {
+		return nil, err
+	}
+	return detail, nil
+}