mirror of
https://github.com/googleapis/genai-toolbox.git
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52ebb431b7
Fixes a bug introduced in #43 where postgres-tool didn't think any of the sources were valid. The root cause of the bug was inconsistent usage of pointer/value in the receiver functions. The fix updates everything to consistently use a pointer receiver function.
89 lines
2.2 KiB
Go
89 lines
2.2 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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"github.com/googleapis/genai-toolbox/internal/sources"
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"github.com/jackc/pgx/v5/pgxpool"
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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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type Config struct {
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Name string `yaml:"name"`
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Kind string `yaml:"kind"`
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Host string `yaml:"host"`
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Port string `yaml:"port"`
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User string `yaml:"user"`
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Password string `yaml:"password"`
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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() (sources.Source, error) {
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pool, err := initPostgresConnectionPool(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(context.Background())
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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(host, port, user, pass, dbname string) (*pgxpool.Pool, error) {
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// urlExample := "postgres:dd//username:password@localhost:5432/database_name"
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i := fmt.Sprintf("postgres://%s:%s@%s:%s/%s", user, pass, host, port, dbname)
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pool, err := pgxpool.New(context.Background(), i)
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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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