feat: Add deployment_key table, entity, repository, and migration

packages/@n8n/db/src/entities/deployment-key.ts

@@ -0,0 +1,21 @@
+import { Column, Entity } from '@n8n/typeorm';
+
+import { datetimeColumnType, WithTimestampsAndStringId } from './abstract-entity';
+
+@Entity()
+export class DeploymentKey extends WithTimestampsAndStringId {
+	@Column({ type: 'varchar', length: 64 })
+	type: string;
+
+	@Column('text')
+	value: string;
+
+	@Column({ type: 'varchar', length: 20, nullable: true })
+	algorithm: string | null;
+
+	@Column({ type: 'varchar', length: 20 })
+	status: string;
+
+	@Column({ type: datetimeColumnType, nullable: true })
+	deprecatedAt: Date | null;
+}

packages/@n8n/db/src/entities/index.ts

@@ -9,6 +9,7 @@ import {
 	type CredentialDependencyType,
 } from './credential-dependency-entity';
 import { CredentialsEntity } from './credentials-entity';
+import { DeploymentKey } from './deployment-key';
 import { ExecutionAnnotation } from './execution-annotation.ee';
 import { ExecutionData } from './execution-data';
 import { ExecutionEntity } from './execution-entity';
@@ -58,6 +59,7 @@ export {
 	CredentialsEntity,
 	CredentialDependency,
 	type CredentialDependencyType,
+	DeploymentKey,
 	Folder,
 	Project,
 	ProjectRelation,
@@ -101,6 +103,7 @@ export const entities = {
 	AuthIdentity,
 	CredentialsEntity,
 	CredentialDependency,
+	DeploymentKey,
 	Folder,
 	Project,
 	ProjectRelation,

packages/@n8n/db/src/migrations/common/1777000000000-CreateDeploymentKeyTable.ts

@@ -0,0 +1,25 @@
+import type { MigrationContext, ReversibleMigration } from '../migration-types';
+
+export class CreateDeploymentKeyTable1777000000000 implements ReversibleMigration {
+	async up({ schemaBuilder: { createTable, column, createIndex } }: MigrationContext) {
+		await createTable('deployment_key').withColumns(
+			column('type').varchar(64).notNull,
+			column('value').text.notNull,
+			column('algorithm').varchar(20),
+			column('status').varchar(20).notNull,
+			column('deprecatedAt').timestamp(),
+		).withTimestamps;
+
+		await createIndex(
+			'deployment_key',
+			['type'],
+			true,
+			'IDX_deployment_key_data_encryption_active',
+			"status = 'active' AND type = 'data_encryption'",
+		);
+	}
+
+	async down({ schemaBuilder: { dropTable } }: MigrationContext) {
+		await dropTable('deployment_key');
+	}
+}

packages/@n8n/db/src/migrations/postgresdb/index.ts

@@ -159,6 +159,7 @@ import { CreateInstanceVersionHistoryTable1774854660000 } from '../common/177485
 import { CreateInstanceAiTables1775000000000 } from '../common/1775000000000-CreateInstanceAiTables';
 import { CreateTokenExchangeJtiTable1775116241000 } from '../common/1775116241000-CreateTokenExchangeJtiTable';
 import { CreateTrustedKeyTables1776000000000 } from '../common/1776000000000-CreateTrustedKeyTables';
+import { CreateDeploymentKeyTable1777000000000 } from '../common/1777000000000-CreateDeploymentKeyTable';
 import type { Migration } from '../migration-types';
 
 export const postgresMigrations: Migration[] = [
@@ -323,4 +324,5 @@ export const postgresMigrations: Migration[] = [
 	CreateInstanceAiTables1775000000000,
 	CreateTokenExchangeJtiTable1775116241000,
 	CreateTrustedKeyTables1776000000000,
+	CreateDeploymentKeyTable1777000000000,
 ];

packages/@n8n/db/src/migrations/sqlite/index.ts

@@ -153,6 +153,7 @@ import { CreateInstanceVersionHistoryTable1774854660000 } from '../common/177485
 import { CreateInstanceAiTables1775000000000 } from '../common/1775000000000-CreateInstanceAiTables';
 import { CreateTokenExchangeJtiTable1775116241000 } from '../common/1775116241000-CreateTokenExchangeJtiTable';
 import { CreateTrustedKeyTables1776000000000 } from '../common/1776000000000-CreateTrustedKeyTables';
+import { CreateDeploymentKeyTable1777000000000 } from '../common/1777000000000-CreateDeploymentKeyTable';
 import type { Migration } from '../migration-types';
 
 const sqliteMigrations: Migration[] = [
@@ -311,6 +312,7 @@ const sqliteMigrations: Migration[] = [
 	CreateInstanceAiTables1775000000000,
 	CreateTokenExchangeJtiTable1775116241000,
 	CreateTrustedKeyTables1776000000000,
+	CreateDeploymentKeyTable1777000000000,
 ];
 
 export { sqliteMigrations };

packages/@n8n/db/src/repositories/deployment-key.repository.ts

@@ -0,0 +1,23 @@
+import { Service } from '@n8n/di';
+import { DataSource, Repository } from '@n8n/typeorm';
+
+import { DeploymentKey } from '../entities/deployment-key';
+
+@Service()
+export class DeploymentKeyRepository extends Repository<DeploymentKey> {
+	constructor(dataSource: DataSource) {
+		super(DeploymentKey, dataSource.manager);
+	}
+
+	async findActiveByType(type: string): Promise<DeploymentKey | null> {
+		return await this.findOne({ where: { type, status: 'active' } });
+	}
+
+	async findById(id: string): Promise<DeploymentKey | null> {
+		return await this.findOne({ where: { id } });
+	}
+
+	async findAllByType(type: string): Promise<DeploymentKey[]> {
+		return await this.find({ where: { type } });
+	}
+}

packages/@n8n/db/src/repositories/index.ts

@@ -7,6 +7,7 @@ export { BinaryDataRepository } from './binary-data.repository';
 export { ClockRepository } from './clock.repository';
 export { CredentialsRepository } from './credentials.repository';
 export { CredentialDependencyRepository } from './credential-dependency.repository';
+export { DeploymentKeyRepository } from './deployment-key.repository';
 export { ExecutionAnnotationRepository } from './execution-annotation.repository';
 export { ExecutionDataRepository } from './execution-data.repository';
 export { ExecutionMetadataRepository } from './execution-metadata.repository';