mirror of
https://github.com/googleapis/genai-toolbox.git
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1fcc20a846
Co-authored-by: Kurtis Van Gent <31518063+kurtisvg@users.noreply.github.com> Co-authored-by: Wenxin Du <117315983+duwenxin99@users.noreply.github.com>
104 lines
2.8 KiB
Go
104 lines
2.8 KiB
Go
// Copyright 2024 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package spanner
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import (
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"context"
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"fmt"
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"cloud.google.com/go/spanner"
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"github.com/googleapis/genai-toolbox/internal/sources"
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"go.opentelemetry.io/otel/trace"
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)
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const SourceKind string = "spanner"
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// validate interface
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var _ sources.SourceConfig = Config{}
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type Config struct {
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Name string `yaml:"name"`
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Kind string `yaml:"kind"`
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Project string `yaml:"project"`
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Instance string `yaml:"instance"`
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Dialect sources.Dialect `yaml:"dialect"`
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Database string `yaml:"database"`
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}
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func (r Config) SourceConfigKind() string {
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return SourceKind
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}
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func (r Config) Initialize(ctx context.Context, tracer trace.Tracer) (sources.Source, error) {
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client, err := initSpannerClient(ctx, tracer, r.Name, r.Project, r.Instance, r.Database)
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if err != nil {
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return nil, fmt.Errorf("unable to create client: %w", err)
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}
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s := &Source{
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Name: r.Name,
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Kind: SourceKind,
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Client: client,
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Dialect: r.Dialect.String(),
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}
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return s, nil
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}
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var _ sources.Source = &Source{}
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type Source struct {
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Name string `yaml:"name"`
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Kind string `yaml:"kind"`
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Client *spanner.Client
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Dialect string
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}
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func (s *Source) SourceKind() string {
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return SourceKind
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}
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func (s *Source) SpannerClient() *spanner.Client {
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return s.Client
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}
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func (s *Source) DatabaseDialect() string {
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return s.Dialect
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}
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func initSpannerClient(ctx context.Context, tracer trace.Tracer, name, project, instance, dbname string) (*spanner.Client, error) {
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//nolint:all // Reassigned ctx
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ctx, span := sources.InitConnectionSpan(ctx, tracer, SourceKind, name)
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defer span.End()
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// Configure the connection to the database
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db := fmt.Sprintf("projects/%s/instances/%s/databases/%s", project, instance, dbname)
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// Configure session pool to automatically clean inactive transactions
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sessionPoolConfig := spanner.SessionPoolConfig{
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TrackSessionHandles: true,
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InactiveTransactionRemovalOptions: spanner.InactiveTransactionRemovalOptions{
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ActionOnInactiveTransaction: spanner.WarnAndClose,
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},
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}
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// Create spanner client
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client, err := spanner.NewClientWithConfig(context.Background(), db, spanner.ClientConfig{SessionPoolConfig: sessionPoolConfig})
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if err != nil {
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return nil, fmt.Errorf("unable to create new client: %w", err)
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}
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return client, nil
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}
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