refactor: Add telemetry for RBAC (no-changelog) (#8056)

https://linear.app/n8n/issue/PAY-1142

packages/cli/src/databases/repositories/role.repository.ts

@@ -12,4 +12,23 @@ export class RoleRepository extends Repository<Role> {
 	async findRole(scope: RoleScopes, name: RoleNames) {
 		return this.findOne({ where: { scope, name } });
 	}
+
+	/**
+	 * Counts the number of users in each role, e.g. `{ admin: 2, member: 6, owner: 1 }`
+	 */
+	async countUsersByRole() {
+		type Row = { role_name: string; count: number };
+
+		const rows: Row[] = await this.createQueryBuilder('role')
+			.select('role.name')
+			.addSelect('COUNT(user.id)', 'count')
+			.innerJoin('user', 'user', 'role.id = user.globalRoleId')
+			.groupBy('role.name')
+			.getRawMany();
+
+		return rows.reduce<Record<string, number>>((acc, item) => {
+			acc[item.role_name] = item.count;
+			return acc;
+		}, {});
+	}
 }

packages/cli/src/telemetry/index.ts

@@ -11,6 +11,7 @@ import { License } from '@/License';
 import { N8N_VERSION } from '@/constants';
 import { WorkflowRepository } from '@db/repositories/workflow.repository';
 import { SourceControlPreferencesService } from '../environments/sourceControl/sourceControlPreferences.service.ee';
+import { RoleRepository } from '@/databases/repositories/role.repository';
 
 type ExecutionTrackDataKey = 'manual_error' | 'manual_success' | 'prod_error' | 'prod_success';
 
@@ -110,6 +111,7 @@ export class Telemetry {
 			plan_name_current: this.license.getPlanName(),
 			quota: this.license.getTriggerLimit(),
 			usage: await this.workflowRepository.getActiveTriggerCount(),
+			role_count: await Container.get(RoleRepository).countUsersByRole(),
 			source_control_set_up: Container.get(SourceControlPreferencesService).isSourceControlSetup(),
 			branchName: sourceControlPreferences.branchName,
 			read_only_instance: sourceControlPreferences.branchReadOnly,