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feat(noncloud-mysql): add source and tool
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| // 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 mysql | ||
|
|
||
| import ( | ||
| "context" | ||
| "database/sql" | ||
| "fmt" | ||
|
|
||
| _ "github.com/go-sql-driver/mysql" | ||
| "github.com/googleapis/genai-toolbox/internal/sources" | ||
| "go.opentelemetry.io/otel/trace" | ||
| ) | ||
|
|
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| const SourceKind string = "mysql" | ||
|
|
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| // validate interface | ||
| var _ sources.SourceConfig = Config{} | ||
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| type Config struct { | ||
| Name string `yaml:"name"` | ||
| Kind string `yaml:"kind"` | ||
| Host string `yaml:"host"` | ||
| Port string `yaml:"port"` | ||
| User string `yaml:"user"` | ||
| Password string `yaml:"password"` | ||
| Database string `yaml:"database"` | ||
| } | ||
|
|
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| func (r Config) SourceConfigKind() string { | ||
| return SourceKind | ||
| } | ||
|
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| func (r Config) Initialize(ctx context.Context, tracer trace.Tracer) (sources.Source, error) { | ||
| pool, err := initMySQLConnectionPool(ctx, tracer, r.Name, r.Host, r.Port, r.User, r.Password, r.Database) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("unable to create pool: %w", err) | ||
| } | ||
|
|
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| err = pool.PingContext(context.Background()) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("unable to connect successfully: %w", err) | ||
| } | ||
|
|
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| s := &Source{ | ||
| Name: r.Name, | ||
| Kind: SourceKind, | ||
| Pool: pool, | ||
| } | ||
| return s, nil | ||
| } | ||
|
|
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| var _ sources.Source = &Source{} | ||
|
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| type Source struct { | ||
| Name string `yaml:"name"` | ||
| Kind string `yaml:"kind"` | ||
| Pool *sql.DB | ||
| } | ||
|
|
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| func (s *Source) SourceKind() string { | ||
| return SourceKind | ||
| } | ||
|
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| func (s *Source) MySQLPool() *sql.DB { | ||
| return s.Pool | ||
| } | ||
|
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| func initMySQLConnectionPool(ctx context.Context, tracer trace.Tracer, name, host, port, user, pass, dbname string) (*sql.DB, error) { | ||
| //nolint:all // Reassigned ctx | ||
| ctx, span := sources.InitConnectionSpan(ctx, tracer, SourceKind, name) | ||
| defer span.End() | ||
|
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| // Configure the driver to connect to the database | ||
| dsn := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?parseTime=true", user, pass, host, port, dbname) | ||
|
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| // Interact with the driver directly as you normally would | ||
| pool, err := sql.Open("mysql", dsn) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("sql.Open: %w", err) | ||
| } | ||
| return pool, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| // 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 mysql_test | ||
|
|
||
| import ( | ||
| "testing" | ||
|
|
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| "github.com/google/go-cmp/cmp" | ||
| "github.com/googleapis/genai-toolbox/internal/server" | ||
| "github.com/googleapis/genai-toolbox/internal/sources/mysql" | ||
| "github.com/googleapis/genai-toolbox/internal/testutils" | ||
| "gopkg.in/yaml.v3" | ||
| ) | ||
|
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| func TestParseFromYamlCloudSQLMySQL(t *testing.T) { | ||
| tcs := []struct { | ||
| desc string | ||
| in string | ||
| want server.SourceConfigs | ||
| }{ | ||
| { | ||
| desc: "basic example", | ||
| in: ` | ||
| sources: | ||
| my-mysql-instance: | ||
| kind: mysql | ||
| host: 0.0.0.0 | ||
| port: my-host | ||
| database: my_db | ||
| `, | ||
| want: server.SourceConfigs{ | ||
| "my-mysql-instance": mysql.Config{ | ||
| Name: "my-mysql-instance", | ||
| Kind: mysql.SourceKind, | ||
| Host: "0.0.0.0", | ||
| Port: "my-host", | ||
| Database: "my_db", | ||
| }, | ||
| }, | ||
| }, | ||
| } | ||
| for _, tc := range tcs { | ||
| t.Run(tc.desc, func(t *testing.T) { | ||
| got := struct { | ||
| Sources server.SourceConfigs `yaml:"sources"` | ||
| }{} | ||
| // Parse contents | ||
| err := yaml.Unmarshal(testutils.FormatYaml(tc.in), &got) | ||
| if err != nil { | ||
| t.Fatalf("unable to unmarshal: %s", err) | ||
| } | ||
| if !cmp.Equal(tc.want, got.Sources) { | ||
| t.Fatalf("incorrect parse: want %v, got %v", tc.want, got.Sources) | ||
| } | ||
| }) | ||
| } | ||
|
|
||
| } |
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