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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,121 @@ | ||
| package sources | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "strings" | ||
|
|
||
| "github.com/keboola/go-client/pkg/client" | ||
| "github.com/keboola/go-client/pkg/storageapi" | ||
| "go.opentelemetry.io/otel/trace" | ||
| "gopkg.in/yaml.v3" | ||
|
|
||
| "github.com/keboola/keboola-as-code/internal/pkg/cli/dialog" | ||
| "github.com/keboola/keboola-as-code/internal/pkg/filesystem" | ||
| "github.com/keboola/keboola-as-code/internal/pkg/log" | ||
| "github.com/keboola/keboola-as-code/internal/pkg/telemetry" | ||
| ) | ||
|
|
||
| type dependencies interface { | ||
| Fs() filesystem.Fs | ||
| Logger() log.Logger | ||
| StorageApiClient() client.Sender | ||
| Tracer() trace.Tracer | ||
| } | ||
|
|
||
| const sourcesPath = "models/_sources" | ||
|
|
||
| func Run(ctx context.Context, opts dialog.TargetNameOptions, d dependencies) (err error) { | ||
| ctx, span := d.Tracer().Start(ctx, "kac.lib.operation.dbt.generate.sources") | ||
| defer telemetry.EndSpan(span, &err) | ||
|
|
||
| // Check that we are in dbt directory | ||
| if !d.Fs().Exists(`dbt_project.yml`) { | ||
| return fmt.Errorf(`missing file "dbt_project.yml" in the current directory`) | ||
| } | ||
|
|
||
| if !d.Fs().Exists(sourcesPath) { | ||
| err = d.Fs().Mkdir(sourcesPath) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
|
||
| tablesList, err := storageapi.ListTablesRequest(storageapi.WithBuckets()).Send(ctx, d.StorageApiClient()) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| tablesByBuckets := tablesByBucketsMap(*tablesList) | ||
|
|
||
| for bucketID, tables := range tablesByBuckets { | ||
| sourcesDef := generateSourcesDefinition(opts.Name, bucketID, tables) | ||
| yamlEnc, err := yaml.Marshal(&sourcesDef) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| err = d.Fs().WriteFile(filesystem.NewRawFile(fmt.Sprintf("%s/%s.yml", sourcesPath, bucketID), string(yamlEnc))) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
|
||
| d.Logger().Infof(`Sources stored in "%s" directory.`, sourcesPath) | ||
| return nil | ||
| } | ||
|
|
||
| func tablesByBucketsMap(tablesList []*storageapi.Table) map[storageapi.BucketID][]*storageapi.Table { | ||
| tablesByBuckets := make(map[storageapi.BucketID][]*storageapi.Table) | ||
| for _, table := range tablesList { | ||
| bucket, ok := tablesByBuckets[table.Bucket.ID] | ||
| if !ok { | ||
| bucket = make([]*storageapi.Table, 0) | ||
| } | ||
| bucket = append(bucket, table) | ||
| tablesByBuckets[table.Bucket.ID] = bucket | ||
| } | ||
| return tablesByBuckets | ||
| } | ||
|
|
||
| func generateSourcesDefinition(targetName string, bucketID storageapi.BucketID, tablesList []*storageapi.Table) map[string]any { | ||
| sourceTables := make([]map[string]any, 0) | ||
| for _, table := range tablesList { | ||
| sourceTable := map[string]any{ | ||
| "name": table.Name, | ||
| "quoting": map[string]bool{ | ||
| "database": true, | ||
| "schema": true, | ||
| "identifier": true, | ||
| }, | ||
| } | ||
| if len(table.PrimaryKey) > 0 { | ||
| sourceColumns := make([]map[string]any, 0) | ||
| for _, primaryKey := range table.PrimaryKey { | ||
| sourceColumns = append(sourceColumns, map[string]any{ | ||
| "name": fmt.Sprintf(`"%s"`, primaryKey), | ||
| "tests": []string{"unique", "not_null"}, | ||
| }) | ||
| } | ||
| sourceTable["columns"] = sourceColumns | ||
| } | ||
| sourceTables = append(sourceTables, sourceTable) | ||
| } | ||
|
|
||
| return map[string]any{ | ||
| "version": 2, | ||
| "sources": []map[string]any{ | ||
| { | ||
| "name": string(bucketID), | ||
| "freshness": map[string]any{ | ||
| "warn_after": map[string]any{ | ||
| "count": 1, | ||
| "period": "day", | ||
| }, | ||
| }, | ||
| "database": fmt.Sprintf("{{ env_var(\"DBT_KBC_%s_DATABASE\") }}", strings.ToUpper(targetName)), | ||
| "schema": string(bucketID), | ||
| "loaded_at_field": `"_timestamp"`, | ||
| "tables": sourceTables, | ||
| }, | ||
| }, | ||
| } | ||
| } |
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