/
lookup.go
110 lines (87 loc) · 3.33 KB
/
lookup.go
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package migration
import (
"context"
"github.com/pkg/errors"
databasesv1alpha4 "github.com/schemahero/schemahero/pkg/apis/databases/v1alpha4"
schemasv1alpha4 "github.com/schemahero/schemahero/pkg/apis/schemas/v1alpha4"
databasesclientv1alpha4 "github.com/schemahero/schemahero/pkg/client/schemaheroclientset/typed/databases/v1alpha4"
schemasclientv1alpha4 "github.com/schemahero/schemahero/pkg/client/schemaheroclientset/typed/schemas/v1alpha4"
"github.com/schemahero/schemahero/pkg/config"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
var (
schemasClient schemasclientv1alpha4.SchemasV1alpha4Interface
databasesClient databasesclientv1alpha4.DatabasesV1alpha4Interface
)
func getSchemasClient() (schemasclientv1alpha4.SchemasV1alpha4Interface, error) {
if schemasClient != nil {
return schemasClient, nil
}
cfg, err := config.GetRESTConfig()
if err != nil {
return nil, errors.Wrap(err, "failed to get config")
}
schemasClient, err = schemasclientv1alpha4.NewForConfig(cfg)
if err != nil {
return nil, errors.Wrap(err, "failed to create schemas client")
}
return schemasClient, nil
}
func getDatabasesClient() (databasesclientv1alpha4.DatabasesV1alpha4Interface, error) {
if databasesClient != nil {
return databasesClient, nil
}
cfg, err := config.GetRESTConfig()
if err != nil {
return nil, errors.Wrap(err, "failed to get config")
}
databasesClient, err = databasesclientv1alpha4.NewForConfig(cfg)
if err != nil {
return nil, errors.Wrap(err, "failed to create schemas client")
}
return databasesClient, nil
}
func TableFromMigration(ctx context.Context, migration *schemasv1alpha4.Migration) (*schemasv1alpha4.Table, error) {
schemasClient, err := getSchemasClient()
if err != nil {
return nil, errors.Wrap(err, "failed to get schemas client")
}
table, err := schemasClient.Tables(migration.Spec.TableNamespace).Get(ctx, migration.Spec.TableName, metav1.GetOptions{})
if err != nil {
return nil, errors.Wrap(err, "failed to get table")
}
return table, nil
}
func DatabaseFromTable(ctx context.Context, table *schemasv1alpha4.Table) (*databasesv1alpha4.Database, error) {
databasesClient, err := getDatabasesClient()
if err != nil {
return nil, errors.Wrap(err, "failed to get databases client")
}
database, err := databasesClient.Databases(table.Namespace).Get(ctx, table.Spec.Database, metav1.GetOptions{})
if err != nil {
return nil, errors.Wrap(err, "failed to get database")
}
return database, nil
}
func ViewFromMigration(ctx context.Context, migration *schemasv1alpha4.Migration) (*schemasv1alpha4.View, error) {
schemasClient, err := getSchemasClient()
if err != nil {
return nil, errors.Wrap(err, "failed to get schemas client")
}
table, err := schemasClient.Views(migration.Spec.TableNamespace).Get(ctx, migration.Spec.TableName, metav1.GetOptions{})
if err != nil {
return nil, errors.Wrap(err, "failed to get view")
}
return table, nil
}
func DatabaseFromView(ctx context.Context, view *schemasv1alpha4.View) (*databasesv1alpha4.Database, error) {
databasesClient, err := getDatabasesClient()
if err != nil {
return nil, errors.Wrap(err, "failed to get databases client")
}
database, err := databasesClient.Databases(view.Namespace).Get(ctx, view.Spec.Database, metav1.GetOptions{})
if err != nil {
return nil, errors.Wrap(err, "failed to get database")
}
return database, nil
}