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feat(backend): state persisted objects (#9870)

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This PR initiates the rework of Zitadel's backend to state-persisted
objects. This change is a step towards a more scalable and maintainable
architecture.

## Changes

* **New `/backend/v3` package**: A new package structure has been
introduced to house the reworked backend logic. This includes:
* `domain`: Contains the core business logic, commands, and repository
interfaces.
* `storage`: Implements the repository interfaces for database
interactions with new transactional tables.
  * `telemetry`: Provides logging and tracing capabilities.
* **Transactional Tables**: New database tables have been defined for
`instances`, `instance_domains`, `organizations`, and `org_domains`.
* **Projections**: New projections have been created to populate the new
relational tables from the existing event store, ensuring data
consistency during the migration.
* **Repositories**: New repositories provide an abstraction layer for
accessing and manipulating the data in the new tables.
* **Setup**: A new setup step for `TransactionalTables` has been added
to manage the database migrations for the new tables.

This PR lays the foundation for future work to fully transition to
state-persisted objects for these components, which will improve
performance and simplify data access patterns.

This PR initiates the rework of ZITADEL's backend to state-persisted
objects. This is a foundational step towards a new architecture that
will improve performance and maintainability.

The following objects are migrated from event-sourced aggregates to
state-persisted objects:

* Instances
  * incl. Domains
* Orgs
  * incl. Domains

The structure of the new backend implementation follows the software
architecture defined in this [wiki
page](https://github.com/zitadel/zitadel/wiki/Software-Architecturel).

This PR includes:

* The initial implementation of the new transactional repositories for
the objects listed above.
* Projections to populate the new relational tables from the existing
event store.
* Adjustments to the build and test process to accommodate the new
backend structure.

This is a work in progress and further changes will be made to complete
the migration.

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Iraq Jaber <iraq+github@zitadel.com>
Co-authored-by: Iraq <66622793+kkrime@users.noreply.github.com>
Co-authored-by: Tim Möhlmann <tim+github@zitadel.com>
This commit is contained in:
Silvan
2025-09-05 10:54:34 +02:00
committed by GitHub
parent 8cc79c1376
commit 61cab8878e
119 changed files with 13940 additions and 11 deletions
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38
backend/v3/storage/database/dialect/postgres/error.go Normal file
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package postgres
import (
"errors"
"github.com/jackc/pgx/v5"
"github.com/jackc/pgx/v5/pgconn"
"github.com/zitadel/zitadel/backend/v3/storage/database"
)
func wrapError(err error) error {
if err == nil {
return nil
}
if errors.Is(err, pgx.ErrNoRows) {
return database.NewNoRowFoundError(err)
}
var pgxErr *pgconn.PgError
if !errors.As(err, &pgxErr) {
return database.NewUnknownError(err)
}
switch pgxErr.Code {
// 23514: check_violation - A value violates a CHECK constraint.
case "23514":
return database.NewCheckError(pgxErr.TableName, pgxErr.ConstraintName, pgxErr)
// 23505: unique_violation - A value violates a UNIQUE constraint.
case "23505":
return database.NewUniqueError(pgxErr.TableName, pgxErr.ConstraintName, pgxErr)
// 23503: foreign_key_violation - A value violates a foreign key constraint.
case "23503":
return database.NewForeignKeyError(pgxErr.TableName, pgxErr.ConstraintName, pgxErr)
// 23502: not_null_violation - A value violates a NOT NULL constraint.
case "23502":
return database.NewNotNullError(pgxErr.TableName, pgxErr.ConstraintName, pgxErr)
}
return database.NewUnknownError(err)
}