mirror of
https://github.com/googleapis/genai-toolbox.git
synced 2026-01-10 07:58:12 -05:00
67964d939f
Have to encode special character in connection url. Only needed for `postgres`, `mssql`, `cloud-sql-mssql` sources. Fixes #717
115 lines
3.0 KiB
Go
115 lines
3.0 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 postgres
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import (
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"context"
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"fmt"
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"net/url"
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"github.com/goccy/go-yaml"
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"github.com/googleapis/genai-toolbox/internal/sources"
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"github.com/jackc/pgx/v5/pgxpool"
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"go.opentelemetry.io/otel/trace"
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)
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const SourceKind string = "postgres"
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// validate interface
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var _ sources.SourceConfig = Config{}
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func init() {
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if !sources.Register(SourceKind, newConfig) {
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panic(fmt.Sprintf("source kind %q already registered", SourceKind))
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}
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}
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func newConfig(ctx context.Context, name string, decoder *yaml.Decoder) (sources.SourceConfig, error) {
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actual := Config{Name: name}
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if err := decoder.DecodeContext(ctx, &actual); err != nil {
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return nil, err
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}
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return actual, nil
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}
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type Config struct {
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Name string `yaml:"name" validate:"required"`
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Kind string `yaml:"kind" validate:"required"`
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Host string `yaml:"host" validate:"required"`
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Port string `yaml:"port" validate:"required"`
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User string `yaml:"user" validate:"required"`
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Password string `yaml:"password" validate:"required"`
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Database string `yaml:"database" validate:"required"`
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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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pool, err := initPostgresConnectionPool(ctx, tracer, r.Name, r.Host, r.Port, r.User, r.Password, r.Database)
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if err != nil {
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return nil, fmt.Errorf("unable to create pool: %w", err)
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}
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err = pool.Ping(ctx)
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if err != nil {
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return nil, fmt.Errorf("unable to connect successfully: %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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Pool: pool,
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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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Pool *pgxpool.Pool
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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) PostgresPool() *pgxpool.Pool {
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return s.Pool
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}
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func initPostgresConnectionPool(ctx context.Context, tracer trace.Tracer, name, host, port, user, pass, dbname string) (*pgxpool.Pool, 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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// urlExample := "postgres:dd//username:password@localhost:5432/database_name"
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url := &url.URL{
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Scheme: "postgres",
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User: url.UserPassword(user, pass),
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Host: fmt.Sprintf("%s:%s", host, port),
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Path: dbname,
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}
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pool, err := pgxpool.New(ctx, url.String())
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if err != nil {
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return nil, fmt.Errorf("unable to create connection pool: %w", err)
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}
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return pool, nil
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}
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