namespace api + server + refactor

server/namespace_server.go

@@ -0,0 +1,45 @@
+package server
+
+import (
+	"context"
+
+	"github.com/onepanelio/core/api"
+	"github.com/onepanelio/core/manager"
+	"github.com/onepanelio/core/model"
+	"github.com/onepanelio/core/util"
+	"google.golang.org/grpc/codes"
+)
+
+type NamespaceServer struct {
+	resourceManager *manager.ResourceManager
+}
+
+func NewNamespaceServer(resourceManager *manager.ResourceManager) *NamespaceServer {
+	return &NamespaceServer{resourceManager: resourceManager}
+}
+
+func apiNamespace(ns *model.Namespace) (namespace *api.Namespace) {
+	namespace = &api.Namespace{
+		Name:   ns.Name,
+		Labels: ns.Labels,
+	}
+
+	return
+}
+
+func (s *NamespaceServer) ListNamespaces(ctx context.Context, req *api.ListNamespacesRequest) (*api.ListNamespacesResponse, error) {
+	namespaces, err := s.resourceManager.ListNamespaces(modelListOptions(req.ListOptions))
+	if err != nil {
+		return nil, util.NewUserError(codes.Unknown, "Unknown error.")
+	}
+
+	apiNamespaces := []*api.Namespace{}
+	for _, ns := range namespaces {
+		apiNamespaces = append(apiNamespaces, apiNamespace(ns))
+	}
+
+	return &api.ListNamespacesResponse{
+		Count:      int32(len(apiNamespaces)),
+		Namespaces: apiNamespaces,
+	}, nil
+}