MCP Toolbox for Databases

// Copyright 2025 Google LLC // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package serverlessspark import ( "context" "fmt" dataproc "cloud.google.com/go/dataproc/v2/apiv1" longrunning "cloud.google.com/go/longrunning/autogen" "github.com/goccy/go-yaml" "github.com/googleapis/genai-toolbox/internal/sources" "github.com/googleapis/genai-toolbox/internal/util" "go.opentelemetry.io/otel/trace" "google.golang.org/api/option" ) const SourceKind string = "serverless-spark" // validate interface var _ sources.SourceConfig = Config{} func init() { if !sources.Register(SourceKind, newConfig) { panic(fmt.Sprintf("source kind %q already registered", SourceKind)) } } func newConfig(ctx context.Context, name string, decoder *yaml.Decoder) (sources.SourceConfig, error) { actual := Config{Name: name} if err := decoder.DecodeContext(ctx, &actual); err != nil { return nil, err } return actual, nil } type Config struct { Name string `yaml:"name" validate:"required"` Kind string `yaml:"kind" validate:"required"` Project string `yaml:"project" validate:"required"` Location string `yaml:"location" validate:"required"` } func (r Config) SourceConfigKind() string { return SourceKind } func (r Config) Initialize(ctx context.Context, tracer trace.Tracer) (sources.Source, error) { ua, err := util.UserAgentFromContext(ctx) if err != nil { return nil, fmt.Errorf("error in User Agent retrieval: %s", err) } endpoint := fmt.Sprintf("%s-dataproc.googleapis.com:443", r.Location) client, err := dataproc.NewBatchControllerClient(ctx, option.WithEndpoint(endpoint), option.WithUserAgent(ua)) if err != nil { return nil, fmt.Errorf("failed to create dataproc client: %w", err) } opsClient, err := longrunning.NewOperationsClient(ctx, option.WithEndpoint(endpoint), option.WithUserAgent(ua)) if err != nil { return nil, fmt.Errorf("failed to create longrunning client: %w", err) } s := &Source{ Config: r, Client: client, OpsClient: opsClient, } return s, nil } var _ sources.Source = &Source{} type Source struct { Config Client *dataproc.BatchControllerClient OpsClient *longrunning.OperationsClient } func (s *Source) SourceKind() string { return SourceKind } func (s *Source) ToConfig() sources.SourceConfig { return s.Config } func (s *Source) GetProject() string { return s.Project } func (s *Source) GetLocation() string { return s.Location } func (s *Source) GetBatchControllerClient() *dataproc.BatchControllerClient { return s.Client } func (s *Source) GetOperationsClient(ctx context.Context) (*longrunning.OperationsClient, error) { return s.OpsClient, nil } func (s *Source) Close() error { if err := s.Client.Close(); err != nil { return err } if err := s.OpsClient.Close(); err != nil { return err } return nil }