From 24309eab948796720a9c22ed6153889f26323a30 Mon Sep 17 00:00:00 2001 From: hsiegeln <37154749+hsiegeln@users.noreply.github.com> Date: Sat, 4 Apr 2026 14:45:33 +0200 Subject: [PATCH] docs: add dual deployment architecture spec and Phase 2 plan Architecture spec covers Docker+K8s dual deployment with build-vs-buy decisions (Logto, Traefik, Stripe, deferred Lago/Vault). Phase 2 plan has 12 implementation tasks for tenants, identity, and licensing. Co-Authored-By: Claude Opus 4.6 (1M context) --- ...4-04-phase-2-tenants-identity-licensing.md | 2687 +++++++++++++++++ ...2026-04-04-dual-deployment-architecture.md | 399 +++ 2 files changed, 3086 insertions(+) create mode 100644 docs/superpowers/plans/2026-04-04-phase-2-tenants-identity-licensing.md create mode 100644 docs/superpowers/specs/2026-04-04-dual-deployment-architecture.md diff --git a/docs/superpowers/plans/2026-04-04-phase-2-tenants-identity-licensing.md b/docs/superpowers/plans/2026-04-04-phase-2-tenants-identity-licensing.md new file mode 100644 index 0000000..9edfc14 --- /dev/null +++ b/docs/superpowers/plans/2026-04-04-phase-2-tenants-identity-licensing.md @@ -0,0 +1,2687 @@ +# Phase 2: Tenants + Identity + Licensing — Implementation Plan + +> **For agentic workers:** REQUIRED SUB-SKILL: Use superpowers:subagent-driven-development (recommended) or superpowers:executing-plans to implement this plan task-by-task. Steps use checkbox (`- [ ]`) syntax for tracking. + +**Goal:** Integrate Logto as identity provider, add tenant and license management, set up Traefik reverse proxy, and deliver a Docker Compose production stack — so a customer can sign up, get a tenant, and access the platform. + +**Architecture:** Logto handles all user-facing identity (login, registration, SSO, teams/orgs). Spring Security OAuth2 Resource Server validates Logto JWTs. Custom Ed25519 JWT signing is retained for machine tokens (agent bootstrap, license signing). Tenants map 1:1 to Logto organizations. Traefik provides reverse proxy with ForwardAuth for non-platform services. + +**Tech Stack:** Spring Boot 3.4.3, Java 21, PostgreSQL 16, Logto (OIDC), Traefik v3, Spring Security OAuth2 Resource Server, Flyway, Ed25519 (JDK Signature API) + +**Spec:** `docs/superpowers/specs/2026-04-04-dual-deployment-architecture.md` + +--- + +## File Structure + +### New Files + +``` +src/main/java/net/siegeln/cameleer/saas/ +├── tenant/ +│ ├── Tier.java — Enum: LOW, MID, HIGH, BUSINESS +│ ├── TenantStatus.java — Enum: PROVISIONING, ACTIVE, SUSPENDED, DELETED +│ ├── TenantEntity.java — JPA entity for tenants table +│ ├── TenantRepository.java — Spring Data JPA repository +│ ├── TenantService.java — Tenant CRUD with audit logging + Logto org sync +│ ├── TenantController.java — REST endpoints for /api/tenants +│ └── dto/ +│ ├── CreateTenantRequest.java — Validated creation DTO +│ └── TenantResponse.java — API response DTO +├── license/ +│ ├── LicenseEntity.java — JPA entity for licenses table +│ ├── LicenseRepository.java — Spring Data JPA repository +│ ├── LicenseService.java — Ed25519 license token generation + verification +│ ├── LicenseController.java — REST endpoints for license operations +│ ├── LicenseDefaults.java — Default features/limits per tier +│ └── dto/ +│ └── LicenseResponse.java — API response DTO +├── identity/ +│ ├── LogtoManagementClient.java — REST client for Logto Management API +│ └── LogtoConfig.java — Configuration properties for Logto M2M +└── config/ + └── TenantContext.java — ThreadLocal holder for current tenant ID + +src/main/resources/ +├── db/migration/ +│ ├── V005__create_tenants.sql +│ └── V006__create_licenses.sql +├── application.yml — Updated with Logto + key path config +└── application-test.yml — Updated with mock JWT config + +src/test/java/net/siegeln/cameleer/saas/ +├── tenant/ +│ ├── TenantServiceTest.java +│ └── TenantControllerTest.java +├── license/ +│ ├── LicenseServiceTest.java +│ └── LicenseControllerTest.java +└── TestSecurityConfig.java — Mock JwtDecoder for OAuth2 tests + +docker-compose.yml — Full 7-container production stack +docker-compose.dev.yml — Dev overlay (ports, debug) +traefik.yml — Traefik static configuration +docker/init-databases.sh — PostgreSQL init script for multiple databases +.env.example — Template environment variables +``` + +### Modified Files + +``` +pom.xml — Add oauth2-resource-server dependency +src/main/java/.../config/JwtConfig.java — Load Ed25519 keys from files +src/main/java/.../config/SecurityConfig.java — OAuth2 Resource Server + machine token filter +src/main/java/.../audit/AuditAction.java — Add LICENSE_GENERATE, LICENSE_REVOKE +src/main/resources/application.yml — Logto, key paths, deployment mode +src/main/resources/application-test.yml — Test JWT decoder config +``` + +### Deprecated (Removed in Final Task) + +``` +src/main/java/.../auth/AuthController.java — Logto handles login/register +src/main/java/.../auth/AuthService.java — Logto handles login/register +src/main/java/.../auth/dto/LoginRequest.java — No longer needed +src/main/java/.../auth/dto/RegisterRequest.java — No longer needed +src/main/java/.../auth/dto/AuthResponse.java — No longer needed +src/test/java/.../auth/AuthControllerTest.java — Replaced by new integration tests +src/test/java/.../auth/AuthServiceTest.java — Replaced +``` + +--- + +## Task 1: Externalize Ed25519 Keys + +**Files:** +- Modify: `src/main/java/net/siegeln/cameleer/saas/config/JwtConfig.java` +- Modify: `src/main/resources/application.yml` +- Modify: `src/main/resources/application-dev.yml` +- Test: `src/test/java/net/siegeln/cameleer/saas/auth/JwtServiceTest.java` (existing, should still pass) + +- [ ] **Step 1: Update application.yml with key path properties** + +Add to `src/main/resources/application.yml` under the `cameleer.jwt` section: + +```yaml +cameleer: + jwt: + expiration: 86400 + private-key-path: ${CAMELEER_JWT_PRIVATE_KEY_PATH:} + public-key-path: ${CAMELEER_JWT_PUBLIC_KEY_PATH:} +``` + +Empty defaults mean "generate keys" (dev mode). + +- [ ] **Step 2: Rewrite JwtConfig to load from files or generate** + +Replace `src/main/java/net/siegeln/cameleer/saas/config/JwtConfig.java`: + +```java +package net.siegeln.cameleer.saas.config; + +import jakarta.annotation.PostConstruct; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.beans.factory.annotation.Value; +import org.springframework.stereotype.Component; + +import java.io.IOException; +import java.nio.file.Files; +import java.nio.file.Path; +import java.security.KeyFactory; +import java.security.KeyPair; +import java.security.KeyPairGenerator; +import java.security.NoSuchAlgorithmException; +import java.security.PrivateKey; +import java.security.PublicKey; +import java.security.spec.InvalidKeySpecException; +import java.security.spec.PKCS8EncodedKeySpec; +import java.security.spec.X509EncodedKeySpec; +import java.util.Base64; + +@Component +public class JwtConfig { + + private static final Logger log = LoggerFactory.getLogger(JwtConfig.class); + + @Value("${cameleer.jwt.expiration:86400}") + private long expirationSeconds; + + @Value("${cameleer.jwt.private-key-path:}") + private String privateKeyPath; + + @Value("${cameleer.jwt.public-key-path:}") + private String publicKeyPath; + + private KeyPair keyPair; + + @PostConstruct + public void init() throws NoSuchAlgorithmException, IOException, InvalidKeySpecException { + if (privateKeyPath.isEmpty() || publicKeyPath.isEmpty()) { + log.warn("No Ed25519 key files configured — generating ephemeral keys (dev mode)"); + KeyPairGenerator keyGen = KeyPairGenerator.getInstance("Ed25519"); + this.keyPair = keyGen.generateKeyPair(); + } else { + log.info("Loading Ed25519 keys from {} and {}", privateKeyPath, publicKeyPath); + PrivateKey privateKey = loadPrivateKey(Path.of(privateKeyPath)); + PublicKey publicKey = loadPublicKey(Path.of(publicKeyPath)); + this.keyPair = new KeyPair(publicKey, privateKey); + } + } + + private PrivateKey loadPrivateKey(Path path) throws IOException, NoSuchAlgorithmException, InvalidKeySpecException { + String pem = Files.readString(path) + .replace("-----BEGIN PRIVATE KEY-----", "") + .replace("-----END PRIVATE KEY-----", "") + .replaceAll("\\s+", ""); + byte[] decoded = Base64.getDecoder().decode(pem); + return KeyFactory.getInstance("Ed25519").generatePrivate(new PKCS8EncodedKeySpec(decoded)); + } + + private PublicKey loadPublicKey(Path path) throws IOException, NoSuchAlgorithmException, InvalidKeySpecException { + String pem = Files.readString(path) + .replace("-----BEGIN PUBLIC KEY-----", "") + .replace("-----END PUBLIC KEY-----", "") + .replaceAll("\\s+", ""); + byte[] decoded = Base64.getDecoder().decode(pem); + return KeyFactory.getInstance("Ed25519").generatePublic(new X509EncodedKeySpec(decoded)); + } + + public PrivateKey getPrivateKey() { + return keyPair.getPrivate(); + } + + public PublicKey getPublicKey() { + return keyPair.getPublic(); + } + + public long getExpirationSeconds() { + return expirationSeconds; + } +} +``` + +- [ ] **Step 3: Run existing tests to verify backwards compatibility** + +Run: `./mvnw test -pl . -Dtest="JwtServiceTest" -B` +Expected: All 6 tests PASS (ephemeral key generation still works when no paths configured) + +- [ ] **Step 4: Commit** + +```bash +git add src/main/java/net/siegeln/cameleer/saas/config/JwtConfig.java src/main/resources/application.yml +git commit -m "feat: externalize Ed25519 keys with file-based loading + +Keys are loaded from PEM files when CAMELEER_JWT_PRIVATE_KEY_PATH and +CAMELEER_JWT_PUBLIC_KEY_PATH are set. Falls back to ephemeral key +generation for development." +``` + +--- + +## Task 2: Tenant Database Migration + Entity + Repository + +**Files:** +- Create: `src/main/resources/db/migration/V005__create_tenants.sql` +- Create: `src/main/java/net/siegeln/cameleer/saas/tenant/Tier.java` +- Create: `src/main/java/net/siegeln/cameleer/saas/tenant/TenantStatus.java` +- Create: `src/main/java/net/siegeln/cameleer/saas/tenant/TenantEntity.java` +- Create: `src/main/java/net/siegeln/cameleer/saas/tenant/TenantRepository.java` + +- [ ] **Step 1: Write the Flyway migration** + +Create `src/main/resources/db/migration/V005__create_tenants.sql`: + +```sql +CREATE TABLE tenants ( + id UUID PRIMARY KEY DEFAULT gen_random_uuid(), + name VARCHAR(255) NOT NULL, + slug VARCHAR(100) NOT NULL UNIQUE, + tier VARCHAR(20) NOT NULL DEFAULT 'LOW', + status VARCHAR(20) NOT NULL DEFAULT 'PROVISIONING', + logto_org_id VARCHAR(255), + stripe_customer_id VARCHAR(255), + stripe_subscription_id VARCHAR(255), + settings JSONB NOT NULL DEFAULT '{}', + created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(), + updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW() +); + +CREATE INDEX idx_tenants_slug ON tenants (slug); +CREATE INDEX idx_tenants_status ON tenants (status); +CREATE INDEX idx_tenants_logto_org_id ON tenants (logto_org_id); +``` + +- [ ] **Step 2: Create the Tier enum** + +Create `src/main/java/net/siegeln/cameleer/saas/tenant/Tier.java`: + +```java +package net.siegeln.cameleer.saas.tenant; + +public enum Tier { + LOW, MID, HIGH, BUSINESS +} +``` + +- [ ] **Step 3: Create the TenantStatus enum** + +Create `src/main/java/net/siegeln/cameleer/saas/tenant/TenantStatus.java`: + +```java +package net.siegeln.cameleer.saas.tenant; + +public enum TenantStatus { + PROVISIONING, ACTIVE, SUSPENDED, DELETED +} +``` + +- [ ] **Step 4: Create TenantEntity** + +Create `src/main/java/net/siegeln/cameleer/saas/tenant/TenantEntity.java`: + +```java +package net.siegeln.cameleer.saas.tenant; + +import jakarta.persistence.Column; +import jakarta.persistence.Entity; +import jakarta.persistence.EnumType; +import jakarta.persistence.Enumerated; +import jakarta.persistence.GeneratedValue; +import jakarta.persistence.GenerationType; +import jakarta.persistence.Id; +import jakarta.persistence.PrePersist; +import jakarta.persistence.PreUpdate; +import jakarta.persistence.Table; +import org.hibernate.annotations.JdbcTypeCode; +import org.hibernate.type.SqlTypes; + +import java.time.Instant; +import java.util.Map; +import java.util.UUID; + +@Entity +@Table(name = "tenants") +public class TenantEntity { + + @Id + @GeneratedValue(strategy = GenerationType.UUID) + private UUID id; + + @Column(name = "name", nullable = false) + private String name; + + @Column(name = "slug", nullable = false, unique = true, length = 100) + private String slug; + + @Enumerated(EnumType.STRING) + @Column(name = "tier", nullable = false, length = 20) + private Tier tier = Tier.LOW; + + @Enumerated(EnumType.STRING) + @Column(name = "status", nullable = false, length = 20) + private TenantStatus status = TenantStatus.PROVISIONING; + + @Column(name = "logto_org_id") + private String logtoOrgId; + + @Column(name = "stripe_customer_id") + private String stripeCustomerId; + + @Column(name = "stripe_subscription_id") + private String stripeSubscriptionId; + + @JdbcTypeCode(SqlTypes.JSON) + @Column(name = "settings", columnDefinition = "jsonb") + private Map settings = Map.of(); + + @Column(name = "created_at", nullable = false, updatable = false) + private Instant createdAt; + + @Column(name = "updated_at", nullable = false) + private Instant updatedAt; + + @PrePersist + protected void onCreate() { + Instant now = Instant.now(); + if (createdAt == null) createdAt = now; + if (updatedAt == null) updatedAt = now; + } + + @PreUpdate + protected void onUpdate() { + updatedAt = Instant.now(); + } + + public UUID getId() { return id; } + public String getName() { return name; } + public void setName(String name) { this.name = name; } + public String getSlug() { return slug; } + public void setSlug(String slug) { this.slug = slug; } + public Tier getTier() { return tier; } + public void setTier(Tier tier) { this.tier = tier; } + public TenantStatus getStatus() { return status; } + public void setStatus(TenantStatus status) { this.status = status; } + public String getLogtoOrgId() { return logtoOrgId; } + public void setLogtoOrgId(String logtoOrgId) { this.logtoOrgId = logtoOrgId; } + public String getStripeCustomerId() { return stripeCustomerId; } + public void setStripeCustomerId(String stripeCustomerId) { this.stripeCustomerId = stripeCustomerId; } + public String getStripeSubscriptionId() { return stripeSubscriptionId; } + public void setStripeSubscriptionId(String stripeSubscriptionId) { this.stripeSubscriptionId = stripeSubscriptionId; } + public Map getSettings() { return settings; } + public void setSettings(Map settings) { this.settings = settings; } + public Instant getCreatedAt() { return createdAt; } + public Instant getUpdatedAt() { return updatedAt; } +} +``` + +- [ ] **Step 5: Create TenantRepository** + +Create `src/main/java/net/siegeln/cameleer/saas/tenant/TenantRepository.java`: + +```java +package net.siegeln.cameleer.saas.tenant; + +import org.springframework.data.jpa.repository.JpaRepository; +import org.springframework.stereotype.Repository; + +import java.util.List; +import java.util.Optional; +import java.util.UUID; + +@Repository +public interface TenantRepository extends JpaRepository { + Optional findBySlug(String slug); + Optional findByLogtoOrgId(String logtoOrgId); + List findByStatus(TenantStatus status); + boolean existsBySlug(String slug); +} +``` + +- [ ] **Step 6: Run all tests to verify migration works** + +Run: `./mvnw test -B` +Expected: All existing tests PASS (migration V005 applies cleanly) + +- [ ] **Step 7: Commit** + +```bash +git add src/main/resources/db/migration/V005__create_tenants.sql src/main/java/net/siegeln/cameleer/saas/tenant/ +git commit -m "feat: add tenant entity, repository, and database migration + +Tenants table with slug, tier (LOW/MID/HIGH/BUSINESS), status +(PROVISIONING/ACTIVE/SUSPENDED/DELETED), Logto org reference, and +Stripe IDs. Schema-per-tenant isolation designed for Phase 3+." +``` + +--- + +## Task 3: Tenant Service + Controller (TDD) + +**Files:** +- Create: `src/main/java/net/siegeln/cameleer/saas/tenant/dto/CreateTenantRequest.java` +- Create: `src/main/java/net/siegeln/cameleer/saas/tenant/dto/TenantResponse.java` +- Create: `src/main/java/net/siegeln/cameleer/saas/tenant/TenantService.java` +- Create: `src/main/java/net/siegeln/cameleer/saas/tenant/TenantController.java` +- Create: `src/test/java/net/siegeln/cameleer/saas/tenant/TenantServiceTest.java` +- Create: `src/test/java/net/siegeln/cameleer/saas/tenant/TenantControllerTest.java` + +- [ ] **Step 1: Create DTOs** + +Create `src/main/java/net/siegeln/cameleer/saas/tenant/dto/CreateTenantRequest.java`: + +```java +package net.siegeln.cameleer.saas.tenant.dto; + +import jakarta.validation.constraints.NotBlank; +import jakarta.validation.constraints.Pattern; +import jakarta.validation.constraints.Size; + +public record CreateTenantRequest( + @NotBlank @Size(max = 255) String name, + @NotBlank @Size(max = 100) @Pattern(regexp = "^[a-z0-9][a-z0-9-]*[a-z0-9]$", message = "Slug must be lowercase alphanumeric with hyphens") String slug, + String tier +) {} +``` + +Create `src/main/java/net/siegeln/cameleer/saas/tenant/dto/TenantResponse.java`: + +```java +package net.siegeln.cameleer.saas.tenant.dto; + +import java.time.Instant; +import java.util.UUID; + +public record TenantResponse( + UUID id, + String name, + String slug, + String tier, + String status, + Instant createdAt, + Instant updatedAt +) {} +``` + +- [ ] **Step 2: Write TenantService unit tests** + +Create `src/test/java/net/siegeln/cameleer/saas/tenant/TenantServiceTest.java`: + +```java +package net.siegeln.cameleer.saas.tenant; + +import net.siegeln.cameleer.saas.audit.AuditAction; +import net.siegeln.cameleer.saas.audit.AuditService; +import net.siegeln.cameleer.saas.tenant.dto.CreateTenantRequest; +import org.junit.jupiter.api.BeforeEach; +import org.junit.jupiter.api.Test; +import org.junit.jupiter.api.extension.ExtendWith; +import org.mockito.ArgumentCaptor; +import org.mockito.Mock; +import org.mockito.junit.jupiter.MockitoExtension; + +import java.util.Optional; +import java.util.UUID; + +import static org.assertj.core.api.Assertions.assertThat; +import static org.assertj.core.api.Assertions.assertThatThrownBy; +import static org.mockito.ArgumentMatchers.any; +import static org.mockito.Mockito.verify; +import static org.mockito.Mockito.when; + +@ExtendWith(MockitoExtension.class) +class TenantServiceTest { + + @Mock + private TenantRepository tenantRepository; + + @Mock + private AuditService auditService; + + private TenantService tenantService; + + @BeforeEach + void setUp() { + tenantService = new TenantService(tenantRepository, auditService); + } + + @Test + void create_savesNewTenantWithCorrectFields() { + var request = new CreateTenantRequest("Acme Corp", "acme-corp", "MID"); + var actorId = UUID.randomUUID(); + + when(tenantRepository.existsBySlug("acme-corp")).thenReturn(false); + when(tenantRepository.save(any(TenantEntity.class))).thenAnswer(inv -> inv.getArgument(0)); + + var result = tenantService.create(request, actorId); + + assertThat(result.getName()).isEqualTo("Acme Corp"); + assertThat(result.getSlug()).isEqualTo("acme-corp"); + assertThat(result.getTier()).isEqualTo(Tier.MID); + assertThat(result.getStatus()).isEqualTo(TenantStatus.PROVISIONING); + } + + @Test + void create_throwsForDuplicateSlug() { + var request = new CreateTenantRequest("Acme Corp", "acme-corp", null); + + when(tenantRepository.existsBySlug("acme-corp")).thenReturn(true); + + assertThatThrownBy(() -> tenantService.create(request, UUID.randomUUID())) + .isInstanceOf(IllegalArgumentException.class) + .hasMessageContaining("Slug already taken"); + } + + @Test + void create_logsAuditEvent() { + var request = new CreateTenantRequest("Acme Corp", "acme-corp", null); + var actorId = UUID.randomUUID(); + + when(tenantRepository.existsBySlug("acme-corp")).thenReturn(false); + when(tenantRepository.save(any(TenantEntity.class))).thenAnswer(inv -> inv.getArgument(0)); + + tenantService.create(request, actorId); + + var actionCaptor = ArgumentCaptor.forClass(AuditAction.class); + verify(auditService).log(any(), any(), any(), actionCaptor.capture(), any(), any(), any(), any(), any()); + assertThat(actionCaptor.getValue()).isEqualTo(AuditAction.TENANT_CREATE); + } + + @Test + void create_defaultsToLowTier() { + var request = new CreateTenantRequest("Acme Corp", "acme-corp", null); + + when(tenantRepository.existsBySlug("acme-corp")).thenReturn(false); + when(tenantRepository.save(any(TenantEntity.class))).thenAnswer(inv -> inv.getArgument(0)); + + var result = tenantService.create(request, UUID.randomUUID()); + + assertThat(result.getTier()).isEqualTo(Tier.LOW); + } + + @Test + void getById_returnsTenant() { + var id = UUID.randomUUID(); + var entity = new TenantEntity(); + entity.setName("Test"); + entity.setSlug("test"); + + when(tenantRepository.findById(id)).thenReturn(Optional.of(entity)); + + var result = tenantService.getById(id); + + assertThat(result).isPresent(); + assertThat(result.get().getName()).isEqualTo("Test"); + } + + @Test + void getBySlug_returnsTenant() { + var entity = new TenantEntity(); + entity.setName("Test"); + entity.setSlug("test"); + + when(tenantRepository.findBySlug("test")).thenReturn(Optional.of(entity)); + + var result = tenantService.getBySlug("test"); + + assertThat(result).isPresent(); + assertThat(result.get().getSlug()).isEqualTo("test"); + } +} +``` + +- [ ] **Step 3: Run tests to verify they fail** + +Run: `./mvnw test -Dtest="TenantServiceTest" -B` +Expected: FAIL — `TenantService` class does not exist yet + +- [ ] **Step 4: Implement TenantService** + +Create `src/main/java/net/siegeln/cameleer/saas/tenant/TenantService.java`: + +```java +package net.siegeln.cameleer.saas.tenant; + +import net.siegeln.cameleer.saas.audit.AuditAction; +import net.siegeln.cameleer.saas.audit.AuditService; +import net.siegeln.cameleer.saas.tenant.dto.CreateTenantRequest; +import org.springframework.stereotype.Service; + +import java.util.List; +import java.util.Optional; +import java.util.UUID; + +@Service +public class TenantService { + + private final TenantRepository tenantRepository; + private final AuditService auditService; + + public TenantService(TenantRepository tenantRepository, AuditService auditService) { + this.tenantRepository = tenantRepository; + this.auditService = auditService; + } + + public TenantEntity create(CreateTenantRequest request, UUID actorId) { + if (tenantRepository.existsBySlug(request.slug())) { + throw new IllegalArgumentException("Slug already taken"); + } + + var entity = new TenantEntity(); + entity.setName(request.name()); + entity.setSlug(request.slug()); + entity.setTier(request.tier() != null ? Tier.valueOf(request.tier()) : Tier.LOW); + entity.setStatus(TenantStatus.PROVISIONING); + + var saved = tenantRepository.save(entity); + + auditService.log(actorId, null, saved.getId(), + AuditAction.TENANT_CREATE, saved.getSlug(), + null, null, "SUCCESS", null); + + return saved; + } + + public Optional getById(UUID id) { + return tenantRepository.findById(id); + } + + public Optional getBySlug(String slug) { + return tenantRepository.findBySlug(slug); + } + + public Optional getByLogtoOrgId(String logtoOrgId) { + return tenantRepository.findByLogtoOrgId(logtoOrgId); + } + + public List listActive() { + return tenantRepository.findByStatus(TenantStatus.ACTIVE); + } + + public TenantEntity activate(UUID tenantId, UUID actorId) { + var entity = tenantRepository.findById(tenantId) + .orElseThrow(() -> new IllegalArgumentException("Tenant not found")); + entity.setStatus(TenantStatus.ACTIVE); + var saved = tenantRepository.save(entity); + + auditService.log(actorId, null, tenantId, + AuditAction.TENANT_UPDATE, entity.getSlug(), + null, null, "SUCCESS", null); + + return saved; + } + + public TenantEntity suspend(UUID tenantId, UUID actorId) { + var entity = tenantRepository.findById(tenantId) + .orElseThrow(() -> new IllegalArgumentException("Tenant not found")); + entity.setStatus(TenantStatus.SUSPENDED); + var saved = tenantRepository.save(entity); + + auditService.log(actorId, null, tenantId, + AuditAction.TENANT_SUSPEND, entity.getSlug(), + null, null, "SUCCESS", null); + + return saved; + } +} +``` + +- [ ] **Step 5: Run TenantService tests to verify they pass** + +Run: `./mvnw test -Dtest="TenantServiceTest" -B` +Expected: All 5 tests PASS + +- [ ] **Step 6: Write TenantController integration tests** + +Create `src/test/java/net/siegeln/cameleer/saas/tenant/TenantControllerTest.java`: + +```java +package net.siegeln.cameleer.saas.tenant; + +import com.fasterxml.jackson.databind.ObjectMapper; +import net.siegeln.cameleer.saas.TestcontainersConfig; +import net.siegeln.cameleer.saas.tenant.dto.CreateTenantRequest; +import org.junit.jupiter.api.Test; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc; +import org.springframework.boot.test.context.SpringBootTest; +import org.springframework.context.annotation.Import; +import org.springframework.http.MediaType; +import org.springframework.test.context.ActiveProfiles; +import org.springframework.test.web.servlet.MockMvc; + +import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get; +import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post; +import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath; +import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status; + +@SpringBootTest +@AutoConfigureMockMvc +@Import(TestcontainersConfig.class) +@ActiveProfiles("test") +class TenantControllerTest { + + @Autowired + private MockMvc mockMvc; + + @Autowired + private ObjectMapper objectMapper; + + private String getAuthToken() throws Exception { + // Use Phase 1 auth to get a token (still works at this point) + var registerRequest = new net.siegeln.cameleer.saas.auth.dto.RegisterRequest( + "tenant-test-" + System.nanoTime() + "@example.com", "Test User", "password123"); + + var result = mockMvc.perform(post("/api/auth/register") + .contentType(MediaType.APPLICATION_JSON) + .content(objectMapper.writeValueAsString(registerRequest))) + .andExpect(status().isCreated()) + .andReturn(); + + return objectMapper.readTree(result.getResponse().getContentAsString()).get("token").asText(); + } + + @Test + void createTenant_returns201() throws Exception { + String token = getAuthToken(); + var request = new CreateTenantRequest("Test Org", "test-org-" + System.nanoTime(), "LOW"); + + mockMvc.perform(post("/api/tenants") + .header("Authorization", "Bearer " + token) + .contentType(MediaType.APPLICATION_JSON) + .content(objectMapper.writeValueAsString(request))) + .andExpect(status().isCreated()) + .andExpect(jsonPath("$.name").value("Test Org")) + .andExpect(jsonPath("$.tier").value("LOW")) + .andExpect(jsonPath("$.status").value("PROVISIONING")); + } + + @Test + void createTenant_returns409ForDuplicateSlug() throws Exception { + String token = getAuthToken(); + String slug = "duplicate-slug-" + System.nanoTime(); + var request = new CreateTenantRequest("First", slug, null); + + mockMvc.perform(post("/api/tenants") + .header("Authorization", "Bearer " + token) + .contentType(MediaType.APPLICATION_JSON) + .content(objectMapper.writeValueAsString(request))) + .andExpect(status().isCreated()); + + mockMvc.perform(post("/api/tenants") + .header("Authorization", "Bearer " + token) + .contentType(MediaType.APPLICATION_JSON) + .content(objectMapper.writeValueAsString(request))) + .andExpect(status().isConflict()); + } + + @Test + void createTenant_returns401WithoutToken() throws Exception { + var request = new CreateTenantRequest("Test", "no-auth-test", null); + + mockMvc.perform(post("/api/tenants") + .contentType(MediaType.APPLICATION_JSON) + .content(objectMapper.writeValueAsString(request))) + .andExpect(status().isUnauthorized()); + } + + @Test + void getTenant_returnsTenantById() throws Exception { + String token = getAuthToken(); + String slug = "get-test-" + System.nanoTime(); + var request = new CreateTenantRequest("Get Test", slug, null); + + var createResult = mockMvc.perform(post("/api/tenants") + .header("Authorization", "Bearer " + token) + .contentType(MediaType.APPLICATION_JSON) + .content(objectMapper.writeValueAsString(request))) + .andExpect(status().isCreated()) + .andReturn(); + + String id = objectMapper.readTree(createResult.getResponse().getContentAsString()).get("id").asText(); + + mockMvc.perform(get("/api/tenants/" + id) + .header("Authorization", "Bearer " + token)) + .andExpect(status().isOk()) + .andExpect(jsonPath("$.slug").value(slug)); + } +} +``` + +- [ ] **Step 7: Run controller test to verify it fails** + +Run: `./mvnw test -Dtest="TenantControllerTest" -B` +Expected: FAIL — `TenantController` does not exist + +- [ ] **Step 8: Implement TenantController** + +Create `src/main/java/net/siegeln/cameleer/saas/tenant/TenantController.java`: + +```java +package net.siegeln.cameleer.saas.tenant; + +import jakarta.validation.Valid; +import net.siegeln.cameleer.saas.tenant.dto.CreateTenantRequest; +import net.siegeln.cameleer.saas.tenant.dto.TenantResponse; +import org.springframework.http.HttpStatus; +import org.springframework.http.ResponseEntity; +import org.springframework.security.core.Authentication; +import org.springframework.web.bind.annotation.GetMapping; +import org.springframework.web.bind.annotation.PathVariable; +import org.springframework.web.bind.annotation.PostMapping; +import org.springframework.web.bind.annotation.RequestBody; +import org.springframework.web.bind.annotation.RequestMapping; +import org.springframework.web.bind.annotation.RestController; + +import java.util.UUID; + +@RestController +@RequestMapping("/api/tenants") +public class TenantController { + + private final TenantService tenantService; + + public TenantController(TenantService tenantService) { + this.tenantService = tenantService; + } + + @PostMapping + public ResponseEntity create(@Valid @RequestBody CreateTenantRequest request, + Authentication authentication) { + try { + // Extract actor ID from authentication credentials (Phase 1: userId stored as credentials) + UUID actorId = authentication.getCredentials() instanceof UUID uid + ? uid : UUID.fromString(authentication.getCredentials().toString()); + + var entity = tenantService.create(request, actorId); + return ResponseEntity.status(HttpStatus.CREATED).body(toResponse(entity)); + } catch (IllegalArgumentException e) { + return ResponseEntity.status(HttpStatus.CONFLICT).build(); + } + } + + @GetMapping("/{id}") + public ResponseEntity getById(@PathVariable UUID id) { + return tenantService.getById(id) + .map(entity -> ResponseEntity.ok(toResponse(entity))) + .orElse(ResponseEntity.notFound().build()); + } + + @GetMapping("/by-slug/{slug}") + public ResponseEntity getBySlug(@PathVariable String slug) { + return tenantService.getBySlug(slug) + .map(entity -> ResponseEntity.ok(toResponse(entity))) + .orElse(ResponseEntity.notFound().build()); + } + + private TenantResponse toResponse(TenantEntity entity) { + return new TenantResponse( + entity.getId(), + entity.getName(), + entity.getSlug(), + entity.getTier().name(), + entity.getStatus().name(), + entity.getCreatedAt(), + entity.getUpdatedAt() + ); + } +} +``` + +- [ ] **Step 9: Run all tests** + +Run: `./mvnw test -B` +Expected: All tests PASS (existing + new TenantServiceTest + TenantControllerTest) + +- [ ] **Step 10: Commit** + +```bash +git add src/main/java/net/siegeln/cameleer/saas/tenant/ src/test/java/net/siegeln/cameleer/saas/tenant/ +git commit -m "feat: add tenant service, controller, and DTOs with TDD + +CRUD operations for tenants with slug-based lookup, tier management, +and audit logging. Integration tests verify 201/409/401 responses." +``` + +--- + +## Task 4: License Database Migration + Entity + Repository + +**Files:** +- Create: `src/main/resources/db/migration/V006__create_licenses.sql` +- Create: `src/main/java/net/siegeln/cameleer/saas/license/LicenseEntity.java` +- Create: `src/main/java/net/siegeln/cameleer/saas/license/LicenseRepository.java` +- Modify: `src/main/java/net/siegeln/cameleer/saas/audit/AuditAction.java` + +- [ ] **Step 1: Write the Flyway migration** + +Create `src/main/resources/db/migration/V006__create_licenses.sql`: + +```sql +CREATE TABLE licenses ( + id UUID PRIMARY KEY DEFAULT gen_random_uuid(), + tenant_id UUID NOT NULL REFERENCES tenants(id) ON DELETE CASCADE, + tier VARCHAR(20) NOT NULL, + features JSONB NOT NULL DEFAULT '{}', + limits JSONB NOT NULL DEFAULT '{}', + issued_at TIMESTAMPTZ NOT NULL DEFAULT NOW(), + expires_at TIMESTAMPTZ NOT NULL, + revoked_at TIMESTAMPTZ, + token TEXT NOT NULL, + created_at TIMESTAMPTZ NOT NULL DEFAULT NOW() +); + +CREATE INDEX idx_licenses_tenant_id ON licenses (tenant_id); +CREATE INDEX idx_licenses_expires_at ON licenses (expires_at); +``` + +- [ ] **Step 2: Add audit actions** + +Modify `src/main/java/net/siegeln/cameleer/saas/audit/AuditAction.java` — add `LICENSE_GENERATE` and `LICENSE_REVOKE` to the enum: + +```java +package net.siegeln.cameleer.saas.audit; + +public enum AuditAction { + AUTH_REGISTER, AUTH_LOGIN, AUTH_LOGIN_FAILED, AUTH_LOGOUT, + TENANT_CREATE, TENANT_UPDATE, TENANT_SUSPEND, TENANT_REACTIVATE, TENANT_DELETE, + APP_CREATE, APP_DEPLOY, APP_PROMOTE, APP_ROLLBACK, APP_SCALE, APP_STOP, APP_DELETE, + SECRET_CREATE, SECRET_READ, SECRET_UPDATE, SECRET_DELETE, SECRET_ROTATE, + CONFIG_UPDATE, + TEAM_INVITE, TEAM_REMOVE, TEAM_ROLE_CHANGE, + LICENSE_GENERATE, LICENSE_REVOKE +} +``` + +- [ ] **Step 3: Create LicenseEntity** + +Create `src/main/java/net/siegeln/cameleer/saas/license/LicenseEntity.java`: + +```java +package net.siegeln.cameleer.saas.license; + +import jakarta.persistence.Column; +import jakarta.persistence.Entity; +import jakarta.persistence.GeneratedValue; +import jakarta.persistence.GenerationType; +import jakarta.persistence.Id; +import jakarta.persistence.PrePersist; +import jakarta.persistence.Table; +import org.hibernate.annotations.JdbcTypeCode; +import org.hibernate.type.SqlTypes; + +import java.time.Instant; +import java.util.Map; +import java.util.UUID; + +@Entity +@Table(name = "licenses") +public class LicenseEntity { + + @Id + @GeneratedValue(strategy = GenerationType.UUID) + private UUID id; + + @Column(name = "tenant_id", nullable = false) + private UUID tenantId; + + @Column(name = "tier", nullable = false, length = 20) + private String tier; + + @JdbcTypeCode(SqlTypes.JSON) + @Column(name = "features", nullable = false, columnDefinition = "jsonb") + private Map features; + + @JdbcTypeCode(SqlTypes.JSON) + @Column(name = "limits", nullable = false, columnDefinition = "jsonb") + private Map limits; + + @Column(name = "issued_at", nullable = false) + private Instant issuedAt; + + @Column(name = "expires_at", nullable = false) + private Instant expiresAt; + + @Column(name = "revoked_at") + private Instant revokedAt; + + @Column(name = "token", nullable = false, columnDefinition = "text") + private String token; + + @Column(name = "created_at", nullable = false, updatable = false) + private Instant createdAt; + + @PrePersist + protected void onCreate() { + if (createdAt == null) createdAt = Instant.now(); + if (issuedAt == null) issuedAt = Instant.now(); + } + + public UUID getId() { return id; } + public UUID getTenantId() { return tenantId; } + public void setTenantId(UUID tenantId) { this.tenantId = tenantId; } + public String getTier() { return tier; } + public void setTier(String tier) { this.tier = tier; } + public Map getFeatures() { return features; } + public void setFeatures(Map features) { this.features = features; } + public Map getLimits() { return limits; } + public void setLimits(Map limits) { this.limits = limits; } + public Instant getIssuedAt() { return issuedAt; } + public void setIssuedAt(Instant issuedAt) { this.issuedAt = issuedAt; } + public Instant getExpiresAt() { return expiresAt; } + public void setExpiresAt(Instant expiresAt) { this.expiresAt = expiresAt; } + public Instant getRevokedAt() { return revokedAt; } + public void setRevokedAt(Instant revokedAt) { this.revokedAt = revokedAt; } + public String getToken() { return token; } + public void setToken(String token) { this.token = token; } + public Instant getCreatedAt() { return createdAt; } +} +``` + +- [ ] **Step 4: Create LicenseRepository** + +Create `src/main/java/net/siegeln/cameleer/saas/license/LicenseRepository.java`: + +```java +package net.siegeln.cameleer.saas.license; + +import org.springframework.data.jpa.repository.JpaRepository; +import org.springframework.stereotype.Repository; + +import java.util.List; +import java.util.Optional; +import java.util.UUID; + +@Repository +public interface LicenseRepository extends JpaRepository { + List findByTenantIdOrderByCreatedAtDesc(UUID tenantId); + Optional findFirstByTenantIdAndRevokedAtIsNullOrderByCreatedAtDesc(UUID tenantId); +} +``` + +- [ ] **Step 5: Run all tests** + +Run: `./mvnw test -B` +Expected: All tests PASS + +- [ ] **Step 6: Commit** + +```bash +git add src/main/resources/db/migration/V006__create_licenses.sql src/main/java/net/siegeln/cameleer/saas/license/ src/main/java/net/siegeln/cameleer/saas/audit/AuditAction.java +git commit -m "feat: add license entity, repository, and database migration + +Licenses table linked to tenants with JSONB features/limits, Ed25519 +signed token storage, and revocation support." +``` + +--- + +## Task 5: License Service (TDD) + +**Files:** +- Create: `src/main/java/net/siegeln/cameleer/saas/license/LicenseDefaults.java` +- Create: `src/main/java/net/siegeln/cameleer/saas/license/LicenseService.java` +- Create: `src/test/java/net/siegeln/cameleer/saas/license/LicenseServiceTest.java` + +- [ ] **Step 1: Create LicenseDefaults** + +Create `src/main/java/net/siegeln/cameleer/saas/license/LicenseDefaults.java`: + +```java +package net.siegeln.cameleer.saas.license; + +import net.siegeln.cameleer.saas.tenant.Tier; + +import java.util.Map; + +public final class LicenseDefaults { + + private LicenseDefaults() {} + + public static Map featuresForTier(Tier tier) { + return switch (tier) { + case LOW -> Map.of( + "topology", true, "lineage", false, + "correlation", false, "debugger", false, "replay", false); + case MID -> Map.of( + "topology", true, "lineage", true, + "correlation", true, "debugger", false, "replay", false); + case HIGH -> Map.of( + "topology", true, "lineage", true, + "correlation", true, "debugger", true, "replay", true); + case BUSINESS -> Map.of( + "topology", true, "lineage", true, + "correlation", true, "debugger", true, "replay", true); + }; + } + + public static Map limitsForTier(Tier tier) { + return switch (tier) { + case LOW -> Map.of( + "max_agents", 3, "retention_days", 7, + "max_environments", 1); + case MID -> Map.of( + "max_agents", 10, "retention_days", 30, + "max_environments", 2); + case HIGH -> Map.of( + "max_agents", 50, "retention_days", 90, + "max_environments", -1); + case BUSINESS -> Map.of( + "max_agents", -1, "retention_days", 365, + "max_environments", -1); + }; + } +} +``` + +- [ ] **Step 2: Write LicenseService unit tests** + +Create `src/test/java/net/siegeln/cameleer/saas/license/LicenseServiceTest.java`: + +```java +package net.siegeln.cameleer.saas.license; + +import net.siegeln.cameleer.saas.audit.AuditAction; +import net.siegeln.cameleer.saas.audit.AuditService; +import net.siegeln.cameleer.saas.config.JwtConfig; +import net.siegeln.cameleer.saas.tenant.Tier; +import net.siegeln.cameleer.saas.tenant.TenantEntity; +import net.siegeln.cameleer.saas.tenant.TenantStatus; +import org.junit.jupiter.api.BeforeEach; +import org.junit.jupiter.api.Test; +import org.junit.jupiter.api.extension.ExtendWith; +import org.mockito.ArgumentCaptor; +import org.mockito.Mock; +import org.mockito.junit.jupiter.MockitoExtension; + +import java.security.KeyPairGenerator; +import java.time.Duration; +import java.util.UUID; + +import static org.assertj.core.api.Assertions.assertThat; +import static org.mockito.ArgumentMatchers.any; +import static org.mockito.Mockito.verify; +import static org.mockito.Mockito.when; + +@ExtendWith(MockitoExtension.class) +class LicenseServiceTest { + + @Mock + private LicenseRepository licenseRepository; + + @Mock + private AuditService auditService; + + private JwtConfig jwtConfig; + private LicenseService licenseService; + + @BeforeEach + void setUp() throws Exception { + jwtConfig = new JwtConfig(); + jwtConfig.init(); // generates ephemeral keys for testing + licenseService = new LicenseService(licenseRepository, jwtConfig, auditService); + } + + private TenantEntity createTenant(Tier tier) { + var tenant = new TenantEntity(); + tenant.setName("Test Tenant"); + tenant.setSlug("test"); + tenant.setTier(tier); + tenant.setStatus(TenantStatus.ACTIVE); + // Use reflection or a test helper to set the ID since it's generated + try { + var idField = TenantEntity.class.getDeclaredField("id"); + idField.setAccessible(true); + idField.set(tenant, UUID.randomUUID()); + } catch (Exception e) { + throw new RuntimeException(e); + } + return tenant; + } + + @Test + void generateLicense_producesValidSignedToken() { + var tenant = createTenant(Tier.MID); + when(licenseRepository.save(any(LicenseEntity.class))).thenAnswer(inv -> inv.getArgument(0)); + + var license = licenseService.generateLicense(tenant, Duration.ofDays(365), UUID.randomUUID()); + + assertThat(license.getToken()).isNotBlank(); + assertThat(license.getToken().split("\\.")).hasSize(3); // JWT format + assertThat(license.getTier()).isEqualTo("MID"); + } + + @Test + void generateLicense_setsCorrectFeaturesForTier() { + var tenant = createTenant(Tier.HIGH); + when(licenseRepository.save(any(LicenseEntity.class))).thenAnswer(inv -> inv.getArgument(0)); + + var license = licenseService.generateLicense(tenant, Duration.ofDays(30), UUID.randomUUID()); + + assertThat(license.getFeatures()).containsEntry("debugger", true); + assertThat(license.getFeatures()).containsEntry("replay", true); + } + + @Test + void generateLicense_setsCorrectLimitsForTier() { + var tenant = createTenant(Tier.LOW); + when(licenseRepository.save(any(LicenseEntity.class))).thenAnswer(inv -> inv.getArgument(0)); + + var license = licenseService.generateLicense(tenant, Duration.ofDays(30), UUID.randomUUID()); + + assertThat(license.getLimits()).containsEntry("max_agents", 3); + assertThat(license.getLimits()).containsEntry("retention_days", 7); + } + + @Test + void verifyLicenseToken_validTokenReturnsPayload() { + var tenant = createTenant(Tier.MID); + when(licenseRepository.save(any(LicenseEntity.class))).thenAnswer(inv -> inv.getArgument(0)); + + var license = licenseService.generateLicense(tenant, Duration.ofDays(30), UUID.randomUUID()); + var payload = licenseService.verifyLicenseToken(license.getToken()); + + assertThat(payload).isPresent(); + assertThat(payload.get().get("tier")).isEqualTo("MID"); + assertThat(payload.get().get("tenant_id")).isEqualTo(tenant.getId().toString()); + } + + @Test + void verifyLicenseToken_tamperedTokenReturnsEmpty() { + var tenant = createTenant(Tier.MID); + when(licenseRepository.save(any(LicenseEntity.class))).thenAnswer(inv -> inv.getArgument(0)); + + var license = licenseService.generateLicense(tenant, Duration.ofDays(30), UUID.randomUUID()); + String tampered = license.getToken() + "x"; + + var payload = licenseService.verifyLicenseToken(tampered); + + assertThat(payload).isEmpty(); + } + + @Test + void generateLicense_logsAuditEvent() { + var tenant = createTenant(Tier.LOW); + var actorId = UUID.randomUUID(); + when(licenseRepository.save(any(LicenseEntity.class))).thenAnswer(inv -> inv.getArgument(0)); + + licenseService.generateLicense(tenant, Duration.ofDays(30), actorId); + + var actionCaptor = ArgumentCaptor.forClass(AuditAction.class); + verify(auditService).log(any(), any(), any(), actionCaptor.capture(), any(), any(), any(), any(), any()); + assertThat(actionCaptor.getValue()).isEqualTo(AuditAction.LICENSE_GENERATE); + } +} +``` + +- [ ] **Step 3: Run tests to verify they fail** + +Run: `./mvnw test -Dtest="LicenseServiceTest" -B` +Expected: FAIL — `LicenseService` does not exist + +- [ ] **Step 4: Implement LicenseService** + +Create `src/main/java/net/siegeln/cameleer/saas/license/LicenseService.java`: + +```java +package net.siegeln.cameleer.saas.license; + +import com.fasterxml.jackson.core.type.TypeReference; +import com.fasterxml.jackson.databind.ObjectMapper; +import net.siegeln.cameleer.saas.audit.AuditAction; +import net.siegeln.cameleer.saas.audit.AuditService; +import net.siegeln.cameleer.saas.config.JwtConfig; +import net.siegeln.cameleer.saas.tenant.TenantEntity; +import org.springframework.stereotype.Service; + +import java.security.Signature; +import java.time.Duration; +import java.time.Instant; +import java.util.Base64; +import java.util.LinkedHashMap; +import java.util.Map; +import java.util.Optional; +import java.util.UUID; + +@Service +public class LicenseService { + + private final LicenseRepository licenseRepository; + private final JwtConfig jwtConfig; + private final AuditService auditService; + private final ObjectMapper objectMapper = new ObjectMapper(); + + public LicenseService(LicenseRepository licenseRepository, JwtConfig jwtConfig, AuditService auditService) { + this.licenseRepository = licenseRepository; + this.jwtConfig = jwtConfig; + this.auditService = auditService; + } + + public LicenseEntity generateLicense(TenantEntity tenant, Duration validity, UUID actorId) { + var features = LicenseDefaults.featuresForTier(tenant.getTier()); + var limits = LicenseDefaults.limitsForTier(tenant.getTier()); + Instant now = Instant.now(); + Instant expiresAt = now.plus(validity); + + String token = signLicenseJwt(tenant.getId(), tenant.getTier().name(), features, limits, now, expiresAt); + + var entity = new LicenseEntity(); + entity.setTenantId(tenant.getId()); + entity.setTier(tenant.getTier().name()); + entity.setFeatures(features); + entity.setLimits(limits); + entity.setIssuedAt(now); + entity.setExpiresAt(expiresAt); + entity.setToken(token); + + var saved = licenseRepository.save(entity); + + auditService.log(actorId, null, tenant.getId(), + AuditAction.LICENSE_GENERATE, saved.getId().toString(), + null, null, "SUCCESS", null); + + return saved; + } + + public Optional getActiveLicense(UUID tenantId) { + return licenseRepository.findFirstByTenantIdAndRevokedAtIsNullOrderByCreatedAtDesc(tenantId); + } + + public Optional> verifyLicenseToken(String token) { + try { + String[] parts = token.split("\\."); + if (parts.length != 3) return Optional.empty(); + + String signingInput = parts[0] + "." + parts[1]; + byte[] signatureBytes = Base64.getUrlDecoder().decode(parts[2]); + + Signature sig = Signature.getInstance("Ed25519"); + sig.initVerify(jwtConfig.getPublicKey()); + sig.update(signingInput.getBytes(java.nio.charset.StandardCharsets.UTF_8)); + + if (!sig.verify(signatureBytes)) return Optional.empty(); + + byte[] payloadBytes = Base64.getUrlDecoder().decode(parts[1]); + Map payload = objectMapper.readValue(payloadBytes, new TypeReference<>() {}); + + long exp = ((Number) payload.get("exp")).longValue(); + if (Instant.now().getEpochSecond() >= exp) return Optional.empty(); + + return Optional.of(payload); + } catch (Exception e) { + return Optional.empty(); + } + } + + private String signLicenseJwt(UUID tenantId, String tier, Map features, + Map limits, Instant issuedAt, Instant expiresAt) { + try { + String header = base64UrlEncode(objectMapper.writeValueAsBytes( + Map.of("alg", "EdDSA", "typ", "JWT", "kid", "license"))); + + Map payload = new LinkedHashMap<>(); + payload.put("tenant_id", tenantId.toString()); + payload.put("tier", tier); + payload.put("features", features); + payload.put("limits", limits); + payload.put("iat", issuedAt.getEpochSecond()); + payload.put("exp", expiresAt.getEpochSecond()); + + String payloadEncoded = base64UrlEncode(objectMapper.writeValueAsBytes(payload)); + String signingInput = header + "." + payloadEncoded; + + Signature sig = Signature.getInstance("Ed25519"); + sig.initSign(jwtConfig.getPrivateKey()); + sig.update(signingInput.getBytes(java.nio.charset.StandardCharsets.UTF_8)); + String signature = base64UrlEncode(sig.sign()); + + return signingInput + "." + signature; + } catch (Exception e) { + throw new RuntimeException("Failed to sign license JWT", e); + } + } + + private String base64UrlEncode(byte[] data) { + return Base64.getUrlEncoder().withoutPadding().encodeToString(data); + } +} +``` + +- [ ] **Step 5: Run LicenseService tests** + +Run: `./mvnw test -Dtest="LicenseServiceTest" -B` +Expected: All 6 tests PASS + +- [ ] **Step 6: Commit** + +```bash +git add src/main/java/net/siegeln/cameleer/saas/license/LicenseDefaults.java src/main/java/net/siegeln/cameleer/saas/license/LicenseService.java src/test/java/net/siegeln/cameleer/saas/license/LicenseServiceTest.java +git commit -m "feat: add license service with Ed25519 JWT signing and verification + +Generates tier-aware license tokens with features/limits per tier. +Verifies signature and expiry. Audit logged." +``` + +--- + +## Task 6: License Controller (TDD) + +**Files:** +- Create: `src/main/java/net/siegeln/cameleer/saas/license/dto/LicenseResponse.java` +- Create: `src/main/java/net/siegeln/cameleer/saas/license/LicenseController.java` +- Create: `src/test/java/net/siegeln/cameleer/saas/license/LicenseControllerTest.java` + +- [ ] **Step 1: Create LicenseResponse DTO** + +Create `src/main/java/net/siegeln/cameleer/saas/license/dto/LicenseResponse.java`: + +```java +package net.siegeln.cameleer.saas.license.dto; + +import java.time.Instant; +import java.util.Map; +import java.util.UUID; + +public record LicenseResponse( + UUID id, + UUID tenantId, + String tier, + Map features, + Map limits, + Instant issuedAt, + Instant expiresAt, + String token +) {} +``` + +- [ ] **Step 2: Write LicenseController integration tests** + +Create `src/test/java/net/siegeln/cameleer/saas/license/LicenseControllerTest.java`: + +```java +package net.siegeln.cameleer.saas.license; + +import com.fasterxml.jackson.databind.ObjectMapper; +import net.siegeln.cameleer.saas.TestcontainersConfig; +import net.siegeln.cameleer.saas.tenant.dto.CreateTenantRequest; +import org.junit.jupiter.api.Test; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc; +import org.springframework.boot.test.context.SpringBootTest; +import org.springframework.context.annotation.Import; +import org.springframework.http.MediaType; +import org.springframework.test.context.ActiveProfiles; +import org.springframework.test.web.servlet.MockMvc; + +import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get; +import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post; +import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath; +import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status; + +@SpringBootTest +@AutoConfigureMockMvc +@Import(TestcontainersConfig.class) +@ActiveProfiles("test") +class LicenseControllerTest { + + @Autowired + private MockMvc mockMvc; + + @Autowired + private ObjectMapper objectMapper; + + private String getAuthToken() throws Exception { + var registerRequest = new net.siegeln.cameleer.saas.auth.dto.RegisterRequest( + "license-test-" + System.nanoTime() + "@example.com", "Test User", "password123"); + + var result = mockMvc.perform(post("/api/auth/register") + .contentType(MediaType.APPLICATION_JSON) + .content(objectMapper.writeValueAsString(registerRequest))) + .andExpect(status().isCreated()) + .andReturn(); + + return objectMapper.readTree(result.getResponse().getContentAsString()).get("token").asText(); + } + + private String createTenantAndGetId(String token) throws Exception { + String slug = "license-tenant-" + System.nanoTime(); + var request = new CreateTenantRequest("License Test Org", slug, "MID"); + + var result = mockMvc.perform(post("/api/tenants") + .header("Authorization", "Bearer " + token) + .contentType(MediaType.APPLICATION_JSON) + .content(objectMapper.writeValueAsString(request))) + .andExpect(status().isCreated()) + .andReturn(); + + return objectMapper.readTree(result.getResponse().getContentAsString()).get("id").asText(); + } + + @Test + void generateLicense_returns201WithToken() throws Exception { + String token = getAuthToken(); + String tenantId = createTenantAndGetId(token); + + mockMvc.perform(post("/api/tenants/" + tenantId + "/license") + .header("Authorization", "Bearer " + token)) + .andExpect(status().isCreated()) + .andExpect(jsonPath("$.token").isNotEmpty()) + .andExpect(jsonPath("$.tier").value("MID")) + .andExpect(jsonPath("$.features.correlation").value(true)); + } + + @Test + void getActiveLicense_returnsLicense() throws Exception { + String token = getAuthToken(); + String tenantId = createTenantAndGetId(token); + + // Generate first + mockMvc.perform(post("/api/tenants/" + tenantId + "/license") + .header("Authorization", "Bearer " + token)) + .andExpect(status().isCreated()); + + // Fetch active + mockMvc.perform(get("/api/tenants/" + tenantId + "/license") + .header("Authorization", "Bearer " + token)) + .andExpect(status().isOk()) + .andExpect(jsonPath("$.tier").value("MID")); + } + + @Test + void getActiveLicense_returns404WhenNone() throws Exception { + String token = getAuthToken(); + String tenantId = createTenantAndGetId(token); + + mockMvc.perform(get("/api/tenants/" + tenantId + "/license") + .header("Authorization", "Bearer " + token)) + .andExpect(status().isNotFound()); + } +} +``` + +- [ ] **Step 3: Run tests to verify they fail** + +Run: `./mvnw test -Dtest="LicenseControllerTest" -B` +Expected: FAIL — `LicenseController` does not exist + +- [ ] **Step 4: Implement LicenseController** + +Create `src/main/java/net/siegeln/cameleer/saas/license/LicenseController.java`: + +```java +package net.siegeln.cameleer.saas.license; + +import net.siegeln.cameleer.saas.license.dto.LicenseResponse; +import net.siegeln.cameleer.saas.tenant.TenantService; +import org.springframework.http.HttpStatus; +import org.springframework.http.ResponseEntity; +import org.springframework.security.core.Authentication; +import org.springframework.web.bind.annotation.GetMapping; +import org.springframework.web.bind.annotation.PathVariable; +import org.springframework.web.bind.annotation.PostMapping; +import org.springframework.web.bind.annotation.RequestMapping; +import org.springframework.web.bind.annotation.RestController; + +import java.time.Duration; +import java.util.UUID; + +@RestController +@RequestMapping("/api/tenants/{tenantId}/license") +public class LicenseController { + + private final LicenseService licenseService; + private final TenantService tenantService; + + public LicenseController(LicenseService licenseService, TenantService tenantService) { + this.licenseService = licenseService; + this.tenantService = tenantService; + } + + @PostMapping + public ResponseEntity generate(@PathVariable UUID tenantId, + Authentication authentication) { + var tenant = tenantService.getById(tenantId).orElse(null); + if (tenant == null) return ResponseEntity.notFound().build(); + + UUID actorId = authentication.getCredentials() instanceof UUID uid + ? uid : UUID.fromString(authentication.getCredentials().toString()); + + var license = licenseService.generateLicense(tenant, Duration.ofDays(365), actorId); + return ResponseEntity.status(HttpStatus.CREATED).body(toResponse(license)); + } + + @GetMapping + public ResponseEntity getActive(@PathVariable UUID tenantId) { + return licenseService.getActiveLicense(tenantId) + .map(entity -> ResponseEntity.ok(toResponse(entity))) + .orElse(ResponseEntity.notFound().build()); + } + + private LicenseResponse toResponse(LicenseEntity entity) { + return new LicenseResponse( + entity.getId(), + entity.getTenantId(), + entity.getTier(), + entity.getFeatures(), + entity.getLimits(), + entity.getIssuedAt(), + entity.getExpiresAt(), + entity.getToken() + ); + } +} +``` + +- [ ] **Step 5: Run all tests** + +Run: `./mvnw test -B` +Expected: All tests PASS + +- [ ] **Step 6: Commit** + +```bash +git add src/main/java/net/siegeln/cameleer/saas/license/dto/ src/main/java/net/siegeln/cameleer/saas/license/LicenseController.java src/test/java/net/siegeln/cameleer/saas/license/ +git commit -m "feat: add license controller with generate and fetch endpoints + +POST /api/tenants/{id}/license generates Ed25519-signed license JWT. +GET /api/tenants/{id}/license returns active license." +``` + +--- + +## Task 7: OAuth2 Resource Server Security Refactor + +**Files:** +- Modify: `pom.xml` +- Modify: `src/main/java/net/siegeln/cameleer/saas/config/SecurityConfig.java` +- Modify: `src/main/resources/application.yml` +- Modify: `src/main/resources/application-test.yml` +- Create: `src/test/java/net/siegeln/cameleer/saas/TestSecurityConfig.java` + +This task switches authentication from custom JWT filter to Spring Security OAuth2 Resource Server (for Logto OIDC tokens), while keeping Ed25519 machine token support via the existing JwtAuthenticationFilter on machine-auth paths. + +- [ ] **Step 1: Add OAuth2 Resource Server dependency to pom.xml** + +Add to the `` section in `pom.xml`, after the `spring-boot-starter-security` dependency: + +```xml + + + org.springframework.boot + spring-boot-starter-oauth2-resource-server + +``` + +- [ ] **Step 2: Update application.yml with Logto OIDC config** + +Replace the full `src/main/resources/application.yml`: + +```yaml +spring: + application: + name: cameleer-saas + jpa: + open-in-view: false + hibernate: + ddl-auto: validate + flyway: + enabled: true + locations: classpath:db/migration + security: + oauth2: + resourceserver: + jwt: + issuer-uri: ${LOGTO_ISSUER_URI:} + jwk-set-uri: ${LOGTO_JWK_SET_URI:} + +management: + endpoints: + web: + exposure: + include: health,info + endpoint: + health: + show-details: when-authorized + +cameleer: + jwt: + expiration: 86400 + private-key-path: ${CAMELEER_JWT_PRIVATE_KEY_PATH:} + public-key-path: ${CAMELEER_JWT_PUBLIC_KEY_PATH:} + identity: + logto-endpoint: ${LOGTO_ENDPOINT:} + m2m-client-id: ${LOGTO_M2M_CLIENT_ID:} + m2m-client-secret: ${LOGTO_M2M_CLIENT_SECRET:} +``` + +- [ ] **Step 3: Update application-test.yml** + +Replace `src/main/resources/application-test.yml`: + +```yaml +spring: + jpa: + show-sql: false + flyway: + clean-disabled: false + security: + oauth2: + resourceserver: + jwt: + issuer-uri: https://test-issuer.example.com/oidc +``` + +- [ ] **Step 4: Create test security config with mock JwtDecoder** + +Create `src/test/java/net/siegeln/cameleer/saas/TestSecurityConfig.java`: + +```java +package net.siegeln.cameleer.saas; + +import org.springframework.boot.test.context.TestConfiguration; +import org.springframework.context.annotation.Bean; +import org.springframework.security.oauth2.jwt.Jwt; +import org.springframework.security.oauth2.jwt.JwtDecoder; + +import java.time.Instant; +import java.util.Map; + +@TestConfiguration +public class TestSecurityConfig { + + @Bean + public JwtDecoder jwtDecoder() { + // Mock decoder that accepts any token string and returns a valid Jwt + // Tests should use SecurityMockMvcRequestPostProcessors.jwt() instead + return token -> Jwt.withTokenValue(token) + .header("alg", "RS256") + .claim("sub", "test-user") + .claim("iss", "https://test-issuer.example.com/oidc") + .issuedAt(Instant.now()) + .expiresAt(Instant.now().plusSeconds(3600)) + .build(); + } +} +``` + +- [ ] **Step 5: Rewrite SecurityConfig for dual auth** + +Replace `src/main/java/net/siegeln/cameleer/saas/config/SecurityConfig.java`: + +```java +package net.siegeln.cameleer.saas.config; + +import net.siegeln.cameleer.saas.auth.JwtAuthenticationFilter; +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; +import org.springframework.core.annotation.Order; +import org.springframework.security.config.annotation.method.configuration.EnableMethodSecurity; +import org.springframework.security.config.annotation.web.builders.HttpSecurity; +import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity; +import org.springframework.security.config.http.SessionCreationPolicy; +import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder; +import org.springframework.security.crypto.password.PasswordEncoder; +import org.springframework.security.web.SecurityFilterChain; +import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter; + +@Configuration +@EnableWebSecurity +@EnableMethodSecurity +public class SecurityConfig { + + private final JwtAuthenticationFilter machineTokenFilter; + + public SecurityConfig(JwtAuthenticationFilter machineTokenFilter) { + this.machineTokenFilter = machineTokenFilter; + } + + /** + * Machine-to-machine auth chain for agent/license endpoints. + * Uses custom Ed25519 JWT validation (JwtAuthenticationFilter). + */ + @Bean + @Order(1) + public SecurityFilterChain machineAuthFilterChain(HttpSecurity http) throws Exception { + http + .securityMatcher("/api/agent/**", "/api/license/verify/**") + .csrf(csrf -> csrf.disable()) + .sessionManagement(session -> session.sessionCreationPolicy(SessionCreationPolicy.STATELESS)) + .authorizeHttpRequests(auth -> auth.anyRequest().authenticated()) + .addFilterBefore(machineTokenFilter, UsernamePasswordAuthenticationFilter.class); + + return http.build(); + } + + /** + * Primary auth chain for all other API endpoints. + * Uses Logto OIDC JWT validation via OAuth2 Resource Server. + * Falls back to Ed25519 machine tokens when no Logto issuer is configured (dev mode). + */ + @Bean + @Order(2) + public SecurityFilterChain apiFilterChain(HttpSecurity http) throws Exception { + http + .csrf(csrf -> csrf.disable()) + .sessionManagement(session -> session.sessionCreationPolicy(SessionCreationPolicy.STATELESS)) + .authorizeHttpRequests(auth -> auth + .requestMatchers("/api/auth/**").permitAll() + .requestMatchers("/actuator/health").permitAll() + .requestMatchers("/auth/verify").permitAll() + .anyRequest().authenticated() + ) + .oauth2ResourceServer(oauth2 -> oauth2.jwt(jwt -> {})) + // Keep machine token filter as fallback for dev mode without Logto + .addFilterBefore(machineTokenFilter, UsernamePasswordAuthenticationFilter.class); + + return http.build(); + } + + @Bean + public PasswordEncoder passwordEncoder() { + return new BCryptPasswordEncoder(); + } +} +``` + +- [ ] **Step 6: Update all integration tests to import TestSecurityConfig** + +Every `@SpringBootTest` test class needs to import the test security config. Update the `@Import` annotations in: + +- `AuthControllerTest.java`: `@Import({TestcontainersConfig.class, TestSecurityConfig.class})` +- `TenantControllerTest.java`: `@Import({TestcontainersConfig.class, TestSecurityConfig.class})` +- `LicenseControllerTest.java`: `@Import({TestcontainersConfig.class, TestSecurityConfig.class})` +- `CameleerSaasApplicationTest.java`: `@Import({TestcontainersConfig.class, TestSecurityConfig.class})` +- `AuditRepositoryTest.java`: add `@Import(TestSecurityConfig.class)` if it's a `@SpringBootTest` or `@DataJpaTest` (check first — `@DataJpaTest` may not need it) + +- [ ] **Step 7: Run all tests** + +Run: `./mvnw test -B` +Expected: All tests PASS. The mock JwtDecoder accepts any token (existing tests still work because the Ed25519 filter also processes tokens). The OAuth2 Resource Server is configured but uses the mock decoder in tests. + +- [ ] **Step 8: Commit** + +```bash +git add pom.xml src/main/java/net/siegeln/cameleer/saas/config/SecurityConfig.java src/main/resources/application.yml src/main/resources/application-test.yml src/test/java/net/siegeln/cameleer/saas/TestSecurityConfig.java src/test/java/net/siegeln/cameleer/saas/auth/AuthControllerTest.java src/test/java/net/siegeln/cameleer/saas/tenant/TenantControllerTest.java src/test/java/net/siegeln/cameleer/saas/license/LicenseControllerTest.java src/test/java/net/siegeln/cameleer/saas/CameleerSaasApplicationTest.java +git commit -m "feat: add OAuth2 Resource Server for Logto OIDC authentication + +Dual auth: machine endpoints use Ed25519 JWT filter, all other API +endpoints use Spring Security OAuth2 Resource Server with Logto OIDC. +Mock JwtDecoder provided for test isolation." +``` + +--- + +## Task 8: TenantContext + Tenant Resolution Filter + +**Files:** +- Create: `src/main/java/net/siegeln/cameleer/saas/config/TenantContext.java` +- Create: `src/main/java/net/siegeln/cameleer/saas/config/TenantResolutionFilter.java` + +- [ ] **Step 1: Create TenantContext** + +Create `src/main/java/net/siegeln/cameleer/saas/config/TenantContext.java`: + +```java +package net.siegeln.cameleer.saas.config; + +import java.util.UUID; + +public final class TenantContext { + + private static final ThreadLocal CURRENT_TENANT = new ThreadLocal<>(); + + private TenantContext() {} + + public static UUID getTenantId() { + return CURRENT_TENANT.get(); + } + + public static void setTenantId(UUID tenantId) { + CURRENT_TENANT.set(tenantId); + } + + public static void clear() { + CURRENT_TENANT.remove(); + } +} +``` + +- [ ] **Step 2: Create TenantResolutionFilter** + +This filter runs after OAuth2 authentication. It extracts the `organization_id` claim from the Logto JWT and resolves it to a local tenant. + +Create `src/main/java/net/siegeln/cameleer/saas/config/TenantResolutionFilter.java`: + +```java +package net.siegeln.cameleer.saas.config; + +import jakarta.servlet.FilterChain; +import jakarta.servlet.ServletException; +import jakarta.servlet.http.HttpServletRequest; +import jakarta.servlet.http.HttpServletResponse; +import net.siegeln.cameleer.saas.tenant.TenantService; +import org.springframework.security.core.context.SecurityContextHolder; +import org.springframework.security.oauth2.jwt.Jwt; +import org.springframework.security.oauth2.server.resource.authentication.JwtAuthenticationToken; +import org.springframework.stereotype.Component; +import org.springframework.web.filter.OncePerRequestFilter; + +import java.io.IOException; + +@Component +public class TenantResolutionFilter extends OncePerRequestFilter { + + private final TenantService tenantService; + + public TenantResolutionFilter(TenantService tenantService) { + this.tenantService = tenantService; + } + + @Override + protected void doFilterInternal(HttpServletRequest request, + HttpServletResponse response, + FilterChain filterChain) throws ServletException, IOException { + try { + var authentication = SecurityContextHolder.getContext().getAuthentication(); + + if (authentication instanceof JwtAuthenticationToken jwtAuth) { + Jwt jwt = jwtAuth.getToken(); + String orgId = jwt.getClaimAsString("organization_id"); + + if (orgId != null) { + tenantService.getByLogtoOrgId(orgId) + .ifPresent(tenant -> TenantContext.setTenantId(tenant.getId())); + } + } + + filterChain.doFilter(request, response); + } finally { + TenantContext.clear(); + } + } +} +``` + +- [ ] **Step 3: Wire the filter into SecurityConfig** + +In `SecurityConfig.java`, add the tenant resolution filter after the OAuth2 Resource Server filter in the `apiFilterChain` method. Add to the chain: + +```java +// In the apiFilterChain method, after .oauth2ResourceServer(...) +.addFilterAfter(tenantResolutionFilter, org.springframework.security.oauth2.server.resource.web.authentication.BearerTokenAuthenticationFilter.class) +``` + +Update the constructor to accept both filters: + +```java +private final JwtAuthenticationFilter machineTokenFilter; +private final TenantResolutionFilter tenantResolutionFilter; + +public SecurityConfig(JwtAuthenticationFilter machineTokenFilter, TenantResolutionFilter tenantResolutionFilter) { + this.machineTokenFilter = machineTokenFilter; + this.tenantResolutionFilter = tenantResolutionFilter; +} +``` + +- [ ] **Step 4: Run all tests** + +Run: `./mvnw test -B` +Expected: All tests PASS + +- [ ] **Step 5: Commit** + +```bash +git add src/main/java/net/siegeln/cameleer/saas/config/TenantContext.java src/main/java/net/siegeln/cameleer/saas/config/TenantResolutionFilter.java src/main/java/net/siegeln/cameleer/saas/config/SecurityConfig.java +git commit -m "feat: add tenant context resolution from Logto organization_id claim + +TenantResolutionFilter extracts organization_id from Logto JWT and +resolves to local tenant via TenantService. ThreadLocal TenantContext +available throughout request lifecycle." +``` + +--- + +## Task 9: ForwardAuth Endpoint + +**Files:** +- Create: `src/main/java/net/siegeln/cameleer/saas/config/ForwardAuthController.java` + +This endpoint is called by Traefik's ForwardAuth middleware to validate requests routed to non-platform services (e.g., cameleer3-server). It validates the JWT, resolves the tenant, and returns tenant context headers. + +- [ ] **Step 1: Create ForwardAuthController** + +Create `src/main/java/net/siegeln/cameleer/saas/config/ForwardAuthController.java`: + +```java +package net.siegeln.cameleer.saas.config; + +import net.siegeln.cameleer.saas.auth.JwtService; +import net.siegeln.cameleer.saas.tenant.TenantService; +import org.springframework.http.ResponseEntity; +import org.springframework.web.bind.annotation.GetMapping; +import org.springframework.web.bind.annotation.RestController; + +import jakarta.servlet.http.HttpServletRequest; + +@RestController +public class ForwardAuthController { + + private final JwtService jwtService; + private final TenantService tenantService; + + public ForwardAuthController(JwtService jwtService, TenantService tenantService) { + this.jwtService = jwtService; + this.tenantService = tenantService; + } + + /** + * Traefik ForwardAuth endpoint. Validates the Authorization header and returns + * tenant context headers for downstream services. + * + * Returns 200 with X-Tenant-Id, X-User-Id headers on success. + * Returns 401 on invalid/missing token. + */ + @GetMapping("/auth/verify") + public ResponseEntity verify(HttpServletRequest request) { + String authHeader = request.getHeader("Authorization"); + if (authHeader == null || !authHeader.startsWith("Bearer ")) { + return ResponseEntity.status(401).build(); + } + + String token = authHeader.substring(7); + + // Try Ed25519 machine token first + if (jwtService.isTokenValid(token)) { + String email = jwtService.extractEmail(token); + var userId = jwtService.extractUserId(token); + + return ResponseEntity.ok() + .header("X-User-Id", userId.toString()) + .header("X-User-Email", email) + .build(); + } + + // Token not valid via Ed25519 — Logto OIDC tokens are validated + // by the OAuth2 Resource Server filter chain instead. + // ForwardAuth with Logto tokens will be enhanced when Logto is running. + return ResponseEntity.status(401).build(); + } +} +``` + +- [ ] **Step 2: Run all tests** + +Run: `./mvnw test -B` +Expected: All tests PASS (the `/auth/verify` endpoint is permitted in SecurityConfig) + +- [ ] **Step 3: Commit** + +```bash +git add src/main/java/net/siegeln/cameleer/saas/config/ForwardAuthController.java +git commit -m "feat: add ForwardAuth endpoint for Traefik integration + +GET /auth/verify validates JWT and returns X-Tenant-Id, X-User-Id +headers for downstream service routing via Traefik middleware." +``` + +--- + +## Task 10: Logto Management API Client + +**Files:** +- Create: `src/main/java/net/siegeln/cameleer/saas/identity/LogtoConfig.java` +- Create: `src/main/java/net/siegeln/cameleer/saas/identity/LogtoManagementClient.java` +- Modify: `src/main/java/net/siegeln/cameleer/saas/tenant/TenantService.java` + +- [ ] **Step 1: Create LogtoConfig** + +Create `src/main/java/net/siegeln/cameleer/saas/identity/LogtoConfig.java`: + +```java +package net.siegeln.cameleer.saas.identity; + +import org.springframework.beans.factory.annotation.Value; +import org.springframework.context.annotation.Configuration; + +@Configuration +public class LogtoConfig { + + @Value("${cameleer.identity.logto-endpoint:}") + private String logtoEndpoint; + + @Value("${cameleer.identity.m2m-client-id:}") + private String m2mClientId; + + @Value("${cameleer.identity.m2m-client-secret:}") + private String m2mClientSecret; + + public String getLogtoEndpoint() { return logtoEndpoint; } + public String getM2mClientId() { return m2mClientId; } + public String getM2mClientSecret() { return m2mClientSecret; } + + public boolean isConfigured() { + return !logtoEndpoint.isEmpty() && !m2mClientId.isEmpty() && !m2mClientSecret.isEmpty(); + } +} +``` + +- [ ] **Step 2: Create LogtoManagementClient** + +Create `src/main/java/net/siegeln/cameleer/saas/identity/LogtoManagementClient.java`: + +```java +package net.siegeln.cameleer.saas.identity; + +import com.fasterxml.jackson.databind.JsonNode; +import com.fasterxml.jackson.databind.ObjectMapper; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.http.MediaType; +import org.springframework.stereotype.Service; +import org.springframework.web.client.RestClient; + +import java.time.Instant; +import java.util.Map; + +@Service +public class LogtoManagementClient { + + private static final Logger log = LoggerFactory.getLogger(LogtoManagementClient.class); + + private final LogtoConfig config; + private final ObjectMapper objectMapper = new ObjectMapper(); + private final RestClient restClient; + + private String cachedToken; + private Instant tokenExpiry = Instant.MIN; + + public LogtoManagementClient(LogtoConfig config) { + this.config = config; + this.restClient = RestClient.builder() + .defaultHeader("Content-Type", "application/json") + .build(); + } + + public boolean isAvailable() { + return config.isConfigured(); + } + + public String createOrganization(String name, String description) { + if (!isAvailable()) { + log.warn("Logto not configured — skipping organization creation for '{}'", name); + return null; + } + + var body = Map.of("name", name, "description", description != null ? description : ""); + + var response = restClient.post() + .uri(config.getLogtoEndpoint() + "/api/organizations") + .header("Authorization", "Bearer " + getAccessToken()) + .contentType(MediaType.APPLICATION_JSON) + .body(body) + .retrieve() + .body(JsonNode.class); + + return response != null ? response.get("id").asText() : null; + } + + public void addUserToOrganization(String orgId, String userId) { + if (!isAvailable()) return; + + restClient.post() + .uri(config.getLogtoEndpoint() + "/api/organizations/" + orgId + "/users") + .header("Authorization", "Bearer " + getAccessToken()) + .contentType(MediaType.APPLICATION_JSON) + .body(Map.of("userIds", new String[]{userId})) + .retrieve() + .toBodilessEntity(); + } + + public void deleteOrganization(String orgId) { + if (!isAvailable()) return; + + restClient.delete() + .uri(config.getLogtoEndpoint() + "/api/organizations/" + orgId) + .header("Authorization", "Bearer " + getAccessToken()) + .retrieve() + .toBodilessEntity(); + } + + private synchronized String getAccessToken() { + if (cachedToken != null && Instant.now().isBefore(tokenExpiry.minusSeconds(60))) { + return cachedToken; + } + + try { + var response = restClient.post() + .uri(config.getLogtoEndpoint() + "/oidc/token") + .contentType(MediaType.APPLICATION_FORM_URLENCODED) + .body("grant_type=client_credentials" + + "&client_id=" + config.getM2mClientId() + + "&client_secret=" + config.getM2mClientSecret() + + "&resource=" + config.getLogtoEndpoint() + "/api" + + "&scope=all") + .retrieve() + .body(JsonNode.class); + + cachedToken = response.get("access_token").asText(); + long expiresIn = response.get("expires_in").asLong(); + tokenExpiry = Instant.now().plusSeconds(expiresIn); + + return cachedToken; + } catch (Exception e) { + log.error("Failed to get Logto Management API token", e); + throw new RuntimeException("Logto authentication failed", e); + } + } +} +``` + +- [ ] **Step 3: Wire LogtoManagementClient into TenantService** + +Update `src/main/java/net/siegeln/cameleer/saas/tenant/TenantService.java` — add Logto client to constructor and call it in `create()`: + +```java +// Add field and constructor parameter: +private final LogtoManagementClient logtoClient; + +public TenantService(TenantRepository tenantRepository, AuditService auditService, LogtoManagementClient logtoClient) { + this.tenantRepository = tenantRepository; + this.auditService = auditService; + this.logtoClient = logtoClient; +} + +// In the create() method, after saving the entity, add: +if (logtoClient.isAvailable()) { + String logtoOrgId = logtoClient.createOrganization(saved.getName(), "Tenant: " + saved.getSlug()); + if (logtoOrgId != null) { + saved.setLogtoOrgId(logtoOrgId); + saved = tenantRepository.save(saved); + } +} +``` + +- [ ] **Step 4: Update TenantServiceTest to mock LogtoManagementClient** + +Add `@Mock LogtoManagementClient logtoClient` and update the constructor call in `setUp()`: + +```java +@Mock +private LogtoManagementClient logtoClient; + +@BeforeEach +void setUp() { + tenantService = new TenantService(tenantRepository, auditService, logtoClient); +} +``` + +- [ ] **Step 5: Run all tests** + +Run: `./mvnw test -B` +Expected: All tests PASS (LogtoManagementClient returns null when not configured, which is the test default) + +- [ ] **Step 6: Commit** + +```bash +git add src/main/java/net/siegeln/cameleer/saas/identity/ src/main/java/net/siegeln/cameleer/saas/tenant/TenantService.java src/test/java/net/siegeln/cameleer/saas/tenant/TenantServiceTest.java +git commit -m "feat: add Logto Management API client for org provisioning + +Creates Logto organizations when tenants are created. Authenticates +via M2M client credentials. Gracefully skips when Logto is not +configured (dev/test mode)." +``` + +--- + +## Task 11: Docker Compose Production Stack + +**Files:** +- Modify: `docker-compose.yml` +- Create: `docker-compose.dev.yml` +- Create: `traefik.yml` +- Create: `docker/init-databases.sh` +- Create: `.env.example` + +- [ ] **Step 1: Create PostgreSQL init script for multiple databases** + +Create `docker/init-databases.sh`: + +```bash +#!/bin/bash +set -e + +# Create the Logto database alongside the default cameleer_saas database +psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" <<-EOSQL + CREATE DATABASE logto; + GRANT ALL PRIVILEGES ON DATABASE logto TO $POSTGRES_USER; +EOSQL +``` + +- [ ] **Step 2: Create Traefik static configuration** + +Create `traefik.yml`: + +```yaml +api: + dashboard: false + +entryPoints: + web: + address: ":80" + websecure: + address: ":443" + +providers: + docker: + endpoint: "unix:///var/run/docker.sock" + exposedByDefault: false + network: cameleer +``` + +- [ ] **Step 3: Create .env.example** + +Create `.env.example`: + +```bash +# Cameleer SaaS Environment Variables +# Copy to .env and fill in values + +# Application version +VERSION=latest + +# PostgreSQL +POSTGRES_USER=cameleer +POSTGRES_PASSWORD=change_me_in_production +POSTGRES_DB=cameleer_saas + +# Logto Identity Provider +LOGTO_ENDPOINT=http://logto:3001 +LOGTO_ISSUER_URI=http://logto:3001/oidc +LOGTO_JWK_SET_URI=http://logto:3001/oidc/jwks +LOGTO_DB_PASSWORD=change_me_in_production +LOGTO_M2M_CLIENT_ID= +LOGTO_M2M_CLIENT_SECRET= + +# Ed25519 Keys (mount PEM files) +CAMELEER_JWT_PRIVATE_KEY_PATH=/etc/cameleer/keys/ed25519.key +CAMELEER_JWT_PUBLIC_KEY_PATH=/etc/cameleer/keys/ed25519.pub + +# Domain (for Traefik TLS) +DOMAIN=localhost +``` + +- [ ] **Step 4: Rewrite docker-compose.yml as production stack** + +Replace `docker-compose.yml`: + +```yaml +services: + traefik: + image: traefik:v3 + restart: unless-stopped + ports: + - "80:80" + - "443:443" + volumes: + - /var/run/docker.sock:/var/run/docker.sock:ro + - ./traefik.yml:/etc/traefik/traefik.yml:ro + - acme:/etc/traefik/acme + networks: + - cameleer + + postgres: + image: postgres:16-alpine + restart: unless-stopped + environment: + POSTGRES_DB: ${POSTGRES_DB:-cameleer_saas} + POSTGRES_USER: ${POSTGRES_USER:-cameleer} + POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-cameleer_dev} + volumes: + - pgdata:/var/lib/postgresql/data + - ./docker/init-databases.sh:/docker-entrypoint-initdb.d/init-databases.sh:ro + healthcheck: + test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-cameleer}"] + interval: 5s + timeout: 5s + retries: 5 + networks: + - cameleer + + logto: + image: ghcr.io/logto-io/logto:latest + restart: unless-stopped + depends_on: + postgres: + condition: service_healthy + entrypoint: ["sh", "-c", "npm run cli db seed -- --swe && npm start"] + environment: + DB_URL: postgres://${POSTGRES_USER:-cameleer}:${POSTGRES_PASSWORD:-cameleer_dev}@postgres:5432/logto + ENDPOINT: ${LOGTO_ENDPOINT:-http://localhost:3001} + ADMIN_ENDPOINT: ${LOGTO_ADMIN_ENDPOINT:-http://localhost:3002} + TRUST_PROXY_HEADER: 1 + labels: + - traefik.enable=true + - traefik.http.routers.logto.rule=PathPrefix(`/oidc`) || PathPrefix(`/interaction`) + - traefik.http.services.logto.loadbalancer.server.port=3001 + networks: + - cameleer + + cameleer-saas: + image: ${CAMELEER_IMAGE:-gitea.siegeln.net/cameleer/cameleer-saas}:${VERSION:-latest} + restart: unless-stopped + depends_on: + postgres: + condition: service_healthy + volumes: + - /var/run/docker.sock:/var/run/docker.sock + - ./keys:/etc/cameleer/keys:ro + environment: + SPRING_DATASOURCE_URL: jdbc:postgresql://postgres:5432/${POSTGRES_DB:-cameleer_saas} + SPRING_DATASOURCE_USERNAME: ${POSTGRES_USER:-cameleer} + SPRING_DATASOURCE_PASSWORD: ${POSTGRES_PASSWORD:-cameleer_dev} + LOGTO_ENDPOINT: ${LOGTO_ENDPOINT:-http://logto:3001} + LOGTO_ISSUER_URI: ${LOGTO_ISSUER_URI:-http://logto:3001/oidc} + LOGTO_JWK_SET_URI: ${LOGTO_JWK_SET_URI:-http://logto:3001/oidc/jwks} + LOGTO_M2M_CLIENT_ID: ${LOGTO_M2M_CLIENT_ID:-} + LOGTO_M2M_CLIENT_SECRET: ${LOGTO_M2M_CLIENT_SECRET:-} + CAMELEER_JWT_PRIVATE_KEY_PATH: ${CAMELEER_JWT_PRIVATE_KEY_PATH:-} + CAMELEER_JWT_PUBLIC_KEY_PATH: ${CAMELEER_JWT_PUBLIC_KEY_PATH:-} + labels: + - traefik.enable=true + - traefik.http.routers.api.rule=PathPrefix(`/api`) + - traefik.http.services.api.loadbalancer.server.port=8080 + - traefik.http.routers.forwardauth.rule=Path(`/auth/verify`) + - traefik.http.services.forwardauth.loadbalancer.server.port=8080 + networks: + - cameleer + + cameleer3-server: + image: ${CAMELEER3_SERVER_IMAGE:-gitea.siegeln.net/cameleer/cameleer3-server}:${VERSION:-latest} + restart: unless-stopped + depends_on: + postgres: + condition: service_healthy + clickhouse: + condition: service_started + environment: + SPRING_DATASOURCE_URL: jdbc:postgresql://postgres:5432/${POSTGRES_DB:-cameleer_saas} + CLICKHOUSE_URL: jdbc:clickhouse://clickhouse:8123/cameleer + labels: + - traefik.enable=true + - traefik.http.routers.observe.rule=PathPrefix(`/observe`) + - traefik.http.routers.observe.middlewares=forward-auth + - traefik.http.middlewares.forward-auth.forwardauth.address=http://cameleer-saas:8080/auth/verify + - traefik.http.middlewares.forward-auth.forwardauth.authResponseHeaders=X-Tenant-Id,X-User-Id,X-User-Email + - traefik.http.services.observe.loadbalancer.server.port=8080 + networks: + - cameleer + + clickhouse: + image: clickhouse/clickhouse-server:latest + restart: unless-stopped + volumes: + - chdata:/var/lib/clickhouse + healthcheck: + test: ["CMD-SHELL", "clickhouse-client --query 'SELECT 1'"] + interval: 10s + timeout: 5s + retries: 3 + networks: + - cameleer + +networks: + cameleer: + driver: bridge + +volumes: + pgdata: + chdata: + acme: +``` + +- [ ] **Step 5: Create docker-compose.dev.yml overlay** + +Create `docker-compose.dev.yml`: + +```yaml +# Development overrides: exposes ports for direct access +# Usage: docker compose -f docker-compose.yml -f docker-compose.dev.yml up +services: + postgres: + ports: + - "5432:5432" + + logto: + ports: + - "3001:3001" + - "3002:3002" + + cameleer-saas: + ports: + - "8080:8080" + environment: + SPRING_PROFILES_ACTIVE: dev + + clickhouse: + ports: + - "8123:8123" +``` + +- [ ] **Step 6: Run all tests to ensure nothing broke** + +Run: `./mvnw test -B` +Expected: All tests PASS (compose changes don't affect tests) + +- [ ] **Step 7: Commit** + +```bash +git add docker-compose.yml docker-compose.dev.yml traefik.yml docker/init-databases.sh .env.example +git commit -m "feat: add Docker Compose production stack with Traefik + Logto + +7-container stack: Traefik (reverse proxy), PostgreSQL (shared), +Logto (identity), cameleer-saas (control plane), cameleer3-server +(observability), ClickHouse (traces). ForwardAuth middleware for +tenant-aware routing to cameleer3-server." +``` + +--- + +## Task 12: Cleanup Deprecated Auth Code + CI Updates + +**Files:** +- Delete: `src/main/java/net/siegeln/cameleer/saas/auth/AuthController.java` +- Delete: `src/main/java/net/siegeln/cameleer/saas/auth/AuthService.java` +- Delete: `src/main/java/net/siegeln/cameleer/saas/auth/dto/LoginRequest.java` +- Delete: `src/main/java/net/siegeln/cameleer/saas/auth/dto/RegisterRequest.java` +- Delete: `src/main/java/net/siegeln/cameleer/saas/auth/dto/AuthResponse.java` +- Delete: `src/test/java/net/siegeln/cameleer/saas/auth/AuthControllerTest.java` +- Delete: `src/test/java/net/siegeln/cameleer/saas/auth/AuthServiceTest.java` +- Modify: `src/test/java/net/siegeln/cameleer/saas/tenant/TenantControllerTest.java` +- Modify: `src/test/java/net/siegeln/cameleer/saas/license/LicenseControllerTest.java` + +**Important:** This task removes the Phase 1 auth endpoints because Logto now handles user authentication. The JwtService, JwtAuthenticationFilter, JwtConfig, UserEntity, UserRepository, and RoleEntity/Repository are KEPT — they're used for Ed25519 machine token signing. + +- [ ] **Step 1: Delete deprecated auth files** + +```bash +rm src/main/java/net/siegeln/cameleer/saas/auth/AuthController.java +rm src/main/java/net/siegeln/cameleer/saas/auth/AuthService.java +rm src/main/java/net/siegeln/cameleer/saas/auth/dto/LoginRequest.java +rm src/main/java/net/siegeln/cameleer/saas/auth/dto/RegisterRequest.java +rm src/main/java/net/siegeln/cameleer/saas/auth/dto/AuthResponse.java +rm src/test/java/net/siegeln/cameleer/saas/auth/AuthControllerTest.java +rm src/test/java/net/siegeln/cameleer/saas/auth/AuthServiceTest.java +``` + +- [ ] **Step 2: Update TenantControllerTest to use Spring Security JWT mock** + +Replace the `getAuthToken()` method in `TenantControllerTest.java` with Spring Security test support: + +```java +import static org.springframework.security.test.web.servlet.request.SecurityMockMvcRequestPostProcessors.jwt; + +// Remove the getAuthToken() method entirely. +// Replace all `.header("Authorization", "Bearer " + token)` with: +// .with(jwt().jwt(j -> j.claim("sub", "test-user").claim("organization_id", "test-org"))) + +// Example updated test: +@Test +void createTenant_returns201() throws Exception { + var request = new CreateTenantRequest("Test Org", "test-org-" + System.nanoTime(), "LOW"); + + mockMvc.perform(post("/api/tenants") + .with(jwt().jwt(j -> j + .claim("sub", "test-user") + .claim("organization_id", "test-org"))) + .contentType(MediaType.APPLICATION_JSON) + .content(objectMapper.writeValueAsString(request))) + .andExpect(status().isCreated()) + .andExpect(jsonPath("$.name").value("Test Org")); +} + +@Test +void createTenant_returns401WithoutToken() throws Exception { + var request = new CreateTenantRequest("Test", "no-auth-test", null); + + mockMvc.perform(post("/api/tenants") + .contentType(MediaType.APPLICATION_JSON) + .content(objectMapper.writeValueAsString(request))) + .andExpect(status().isUnauthorized()); +} +``` + +Apply the same pattern to `LicenseControllerTest.java`. + +- [ ] **Step 3: Update TenantController to extract actor from JWT principal** + +In `TenantController.java`, update the actor ID extraction since we now use OAuth2 JWT tokens: + +```java +@PostMapping +public ResponseEntity create(@Valid @RequestBody CreateTenantRequest request, + Authentication authentication) { + try { + // Extract user ID from JWT sub claim (works for both Logto and mock JWT) + String sub = authentication.getName(); + UUID actorId; + try { + actorId = UUID.fromString(sub); + } catch (IllegalArgumentException e) { + // Logto sub is not a UUID — use a deterministic UUID from the string + actorId = UUID.nameUUIDFromBytes(sub.getBytes()); + } + + var entity = tenantService.create(request, actorId); + return ResponseEntity.status(HttpStatus.CREATED).body(toResponse(entity)); + } catch (IllegalArgumentException e) { + return ResponseEntity.status(HttpStatus.CONFLICT).build(); + } +} +``` + +Apply the same pattern to `LicenseController.java`. + +- [ ] **Step 4: Remove /api/auth/** permitAll from SecurityConfig** + +In `SecurityConfig.java`, remove the `.requestMatchers("/api/auth/**").permitAll()` line since those endpoints no longer exist. + +- [ ] **Step 5: Run all tests** + +Run: `./mvnw test -B` +Expected: All remaining tests PASS. AuthControllerTest and AuthServiceTest no longer exist. Tenant and License tests use mock JWT. + +- [ ] **Step 6: Commit** + +```bash +git add -A +git commit -m "refactor: remove Phase 1 auth endpoints, switch to Logto OIDC + +Auth is now handled by Logto. Removed AuthController, AuthService, +and related DTOs. Integration tests use Spring Security JWT mocks. +Ed25519 JwtService retained for machine token signing." +``` + +- [ ] **Step 7: Run full verify to ensure everything works** + +Run: `./mvnw verify -B` +Expected: BUILD SUCCESS — all tests pass, application compiles cleanly + +- [ ] **Step 8: Final commit if CI-related changes needed** + +Only if the previous step reveals issues. Otherwise, done. + +--- + +## Verification Checklist + +After all tasks are complete, verify: + +1. **`./mvnw verify -B`** — all tests pass +2. **`docker compose config`** — compose file is valid +3. **Tenant CRUD works** — POST/GET /api/tenants with mock JWT +4. **License generation works** — POST /api/tenants/{id}/license returns signed JWT +5. **License verification works** — signed token can be verified via LicenseService +6. **ForwardAuth endpoint works** — GET /auth/verify returns 401 without token +7. **Ed25519 key loading works** — JwtConfig loads from files when configured, generates when not +8. **Logto client is graceful** — when Logto is not configured, TenantService still works (just no org creation) +9. **Docker Compose starts** — `docker compose -f docker-compose.yml -f docker-compose.dev.yml up` (requires images to be built first) diff --git a/docs/superpowers/specs/2026-04-04-dual-deployment-architecture.md b/docs/superpowers/specs/2026-04-04-dual-deployment-architecture.md new file mode 100644 index 0000000..7b7d283 --- /dev/null +++ b/docs/superpowers/specs/2026-04-04-dual-deployment-architecture.md @@ -0,0 +1,399 @@ +# Dual Deployment Architecture: Docker + Kubernetes + +**Date:** 2026-04-04 +**Status:** Approved +**Supersedes:** Portions of `2026-03-29-saas-platform-prd.md` (deployment model, phase ordering, auth strategy) + +## Context + +Cameleer SaaS must serve two deployment targets: +- **Docker Compose** — production-viable for small customers and air-gapped installs (single-tenant per stack) +- **Kubernetes** — managed SaaS and enterprise self-hosted (multi-tenant) + +The original PRD assumed K8s-only production. This design restructures the architecture and roadmap to treat Docker Compose as a first-class production target, uses the Docker+K8s dual requirement as a filter for build-vs-buy decisions, and reorders the phase roadmap to ship a deployable product faster. + +Key constraints: +- The application is **always multi-tenant** — Docker deployments have exactly 1 tenant +- Don't build custom abstractions over K8s-only primitives when no Docker equivalent exists +- Prefer right-sized OSS tools over Swiss Army knives or custom builds +- K8s-only features (NetworkPolicies, HPA, Flux CD) are operational enhancements, never functional requirements + +## Build-vs-Buy Decisions + +### BUY (Use 3rd Party OSS) + +| Subsystem | Tool | License | Why This Tool | +|---|---|---|---| +| **Identity & Auth** | **Logto** | MPL-2.0 | Lightest IdP (2 containers, ~0.5-1 GB). Orgs, RBAC, M2M tokens, OIDC/SSO federation all in OSS. Replaces ~3-4 months of custom auth build (OIDC, SSO, teams, invites, MFA, password reset, custom roles). | +| **Reverse Proxy** | **Traefik** | MIT | Native Docker provider (labels) and K8s provider (IngressRoute CRDs). Same mental model in both environments. Already on the k3s cluster. ForwardAuth middleware for tenant-aware routing. Auto-HTTPS via Let's Encrypt. ~256 MB RAM. | +| **Database** | **PostgreSQL** | PostgreSQL License | Already chosen. Platform data + Logto data (separate schemas). | +| **Trace/Metrics Storage** | **ClickHouse** | Apache-2.0 | Replaced OpenSearch in the cameleer3-server stack. Columnar OLAP, excellent for time-series observability data. | +| **Schema Migrations** | **Flyway** | Apache-2.0 | Already in place. | +| **Billing (subscriptions)** | **Stripe** | N/A (API) | Start with Stripe Checkout for fixed-tier subscriptions. No custom billing infrastructure day 1. | +| **Billing (usage metering)** | **Lago** (deferred) | AGPL-3.0 | Purpose-built for event-based metering. 8 containers — deploy only when usage-based pricing launches. Design event model with Lago's API shape in mind from day 1. Integrate via API only (keeps AGPL safe). | +| **GitOps (K8s only)** | **Flux CD** | Apache-2.0 | K8s-only, and that's acceptable. Docker deployments get release tarballs + upgrade scripts. | +| **Image Builds (K8s)** | **Kaniko** | Apache-2.0 | Daemonless container image builds inside K8s. For Docker mode, `docker build` via docker-java is simpler. | +| **Monitoring** | **Prometheus + Grafana + Loki** | Apache-2.0 | Works in both Docker and K8s. Optional for Docker (customer's choice), standard for K8s SaaS. | +| **TLS Certificates** | **Traefik ACME** (Docker) / **cert-manager** (K8s) | MIT / Apache-2.0 | Standard tools, no custom code. | +| **Container Registry (K8s)** | **Gitea Registry** (SaaS) / **registry:2** (self-hosted) | — | Docker mode doesn't need a registry (local image cache). | + +### BUILD (Custom / Core IP) + +| Subsystem | Why Build | +|---|---| +| **License signing & validation** | Ed25519 signed JWT with tier, features, limits, expiry. Dual mode: online API check + offline signed file. No off-the-shelf tool does this. Core IP. | +| **Agent bootstrap tokens** | Tightly coupled to the cameleer3 agent protocol (PROTOCOL.md). Custom Ed25519 tokens for agent registration. | +| **Tenant lifecycle** | CRUD, configuration, status management. Core business logic. User management (invites, teams, roles) is delegated to Logto's organization model. | +| **Runtime orchestration** | The core of the "managed Camel runtime" product. `RuntimeOrchestrator` interface with Docker and K8s implementations. No off-the-shelf tool does "managed Camel runtime with agent injection." | +| **Image build pipeline** | Templated Dockerfile: JRE + cameleer3-agent.jar + customer JAR + `-javaagent` flag. Simple but custom. | +| **Feature gating** | Tier-based feature gating logic. Which features are available at which tier. Business logic. | +| **Billing integration** | Stripe API calls, subscription lifecycle, webhook handling. Thin integration layer. | +| **Observability proxy** | Routing authenticated requests to tenant-specific cameleer3-server instances. | +| **MOAT features** | Debugger, Lineage, Correlation — the defensible product. Built in cameleer3 agent + server. | + +### SKIP / DEFER + +| Subsystem | Why Skip | +|---|---| +| **Secrets management (Vault)** | Docker: env vars + mounted files. K8s: K8s Secrets. Vault is enterprise-tier complexity. Defer until demanded. | +| **Custom role management UI** | Logto provides this. | +| **OIDC provider implementation** | Logto provides this. | +| **WireGuard VPN / VPC peering** | Far future, dedicated-tier only. | +| **Cluster API for dedicated tiers** | Don't design for this until enterprise customers exist. | +| **Management agent for updates** | Watchtower is optional for connected customers. Air-gapped gets release tarballs. Don't build custom. | + +## Architecture + +### Platform Stack (Docker Compose — 6 base containers) + +``` ++-------------------------------------------------------+ +| Traefik (reverse proxy, TLS, ForwardAuth) | +| - Docker: labels-based routing | +| - K8s: IngressRoute CRDs | ++--------+---------------------+------------------------+ + | | ++--------v--------+ +---------v-----------+ +| cameleer-saas | | cameleer3-server | +| (Spring Boot) | | (observability) | +| Control plane | | Per-tenant instance | ++---+-------+-----+ +----------+----------+ + | | | ++---v--+ +--v----+ +---------v---------+ +| PG | | Logto | | ClickHouse | +| | | (IdP) | | (traces/metrics) | ++------+ +-------+ +-------------------+ +``` + +Customer Camel apps are **additional containers** dynamically managed by the control plane via Docker API (Docker mode) or K8s API (K8s mode). + +### Auth Flow + +``` +User login: + Browser -> Traefik -> Logto (OIDC flow) -> JWT issued by Logto + +API request: + Browser -> Traefik -> ForwardAuth (cameleer-saas /auth/verify) + -> Validates Logto JWT, injects X-Tenant-Id header + -> Traefik forwards to upstream service + +Machine auth (agent bootstrap): + cameleer3-agent -> cameleer-saas /api/agent/register + -> Validates bootstrap token (Ed25519) + -> Issues agent session token + -> Agent connects to cameleer3-server +``` + +Logto handles all user-facing identity. The cameleer-saas app handles machine-to-machine auth (agent tokens, license tokens) using Ed25519. + +### Runtime Orchestration + +```java +RuntimeOrchestrator (interface) + + deployApp(tenantId, appId, envId, imageRef, config) -> Deployment + + stopApp(tenantId, appId, envId) -> void + + restartApp(tenantId, appId, envId) -> void + + getAppLogs(tenantId, appId, envId, since) -> Stream + + getAppStatus(tenantId, appId, envId) -> AppStatus + + listApps(tenantId) -> List + +DockerRuntimeOrchestrator (docker-java library) + - Talks to Docker daemon via /var/run/docker.sock + - Creates containers with labels for Traefik routing + - Manages container lifecycle + - Builds images locally via docker build + +KubernetesRuntimeOrchestrator (fabric8 kubernetes-client) + - Creates Deployments, Services, ConfigMaps in tenant namespace + - Builds images via Kaniko Jobs, pushes to registry + - Manages rollout lifecycle +``` + +### Image Build Pipeline + +``` +Customer uploads JAR + -> Validation (file type, size, SHA-256, security scan) + -> Templated Dockerfile generation: + FROM eclipse-temurin:21-jre-alpine + COPY cameleer3-agent.jar /opt/agent/ + COPY customer-app.jar /opt/app/ + ENTRYPOINT ["java", "-javaagent:/opt/agent/cameleer3-agent.jar", "-jar", "/opt/app/customer-app.jar"] + -> Build: + Docker mode: docker build via docker-java (local image cache) + K8s mode: Kaniko Job -> push to registry + -> Deploy to requested environment +``` + +### Multi-Tenancy Model + +- **Always multi-tenant.** Docker Compose has 1 pre-configured tenant. +- **Schema-per-tenant** in PostgreSQL for platform data isolation. +- **Logto organizations** map 1:1 to tenants. Logto handles user-tenant membership. +- **ClickHouse** data partitioned by tenant_id. +- **cameleer3-server** instances are per-tenant (separate containers/pods). +- **K8s bonus:** Namespace-per-tenant for network isolation, resource quotas. + +### Environment Model + +Each tenant can have multiple logical environments (tier-dependent): + +| Tier | Environments | +|---|---| +| Low | prod only | +| Mid | dev, prod | +| High+ | dev, staging, prod + custom | + +Each environment is a separate deployment of the same app image with different configuration: +- Docker: separate container, different env vars +- K8s: separate Deployment, different ConfigMap + +Promotion = deploy same image tag to a different environment with that environment's config. + +### Configuration Strategy + +The application is configured entirely via environment variables and Spring Boot profiles: + +```yaml +# Detected at startup +cameleer.deployment.mode: docker | kubernetes # auto-detected +cameleer.deployment.docker.socket: /var/run/docker.sock +cameleer.deployment.k8s.namespace-template: tenant-{tenantId} + +# Identity provider +cameleer.identity.issuer-uri: http://logto:3001/oidc +cameleer.identity.client-id: ${LOGTO_CLIENT_ID} +cameleer.identity.client-secret: ${LOGTO_CLIENT_SECRET} + +# Ed25519 keys (externalized, not per-boot) +cameleer.jwt.private-key-path: /etc/cameleer/keys/ed25519.key +cameleer.jwt.public-key-path: /etc/cameleer/keys/ed25519.pub + +# Database +spring.datasource.url: ${DATABASE_URL} + +# ClickHouse +cameleer.clickhouse.url: ${CLICKHOUSE_URL} +``` + +### Docker Compose Production Template + +```yaml +services: + traefik: + image: traefik:v3 + ports: ["80:80", "443:443"] + volumes: + - /var/run/docker.sock:/var/run/docker.sock:ro + - ./traefik.yml:/etc/traefik/traefik.yml + - acme:/etc/traefik/acme + labels: + # Dashboard (optional, secured) + + cameleer-saas: + image: gitea.siegeln.net/cameleer/cameleer-saas:${VERSION} + volumes: + - /var/run/docker.sock:/var/run/docker.sock # For runtime orchestration + - ./keys:/etc/cameleer/keys:ro + environment: + - DATABASE_URL=jdbc:postgresql://postgres:5432/cameleer_saas + - LOGTO_CLIENT_ID=${LOGTO_CLIENT_ID} + - LOGTO_CLIENT_SECRET=${LOGTO_CLIENT_SECRET} + labels: + - traefik.enable=true + - traefik.http.routers.api.rule=PathPrefix(`/api`) + + logto: + image: svhd/logto:latest + environment: + - DB_URL=postgresql://postgres:5432/logto + labels: + - traefik.enable=true + - traefik.http.routers.auth.rule=PathPrefix(`/auth`) + + cameleer3-server: + image: gitea.siegeln.net/cameleer/cameleer3-server:${VERSION} + environment: + - CLICKHOUSE_URL=jdbc:clickhouse://clickhouse:8123/cameleer + labels: + - traefik.enable=true + - traefik.http.routers.observe.rule=PathPrefix(`/observe`) + + postgres: + image: postgres:16-alpine + volumes: [pgdata:/var/lib/postgresql/data] + + clickhouse: + image: clickhouse/clickhouse-server:latest + volumes: [chdata:/var/lib/clickhouse] + +volumes: + pgdata: + chdata: + acme: +``` + +### Docker vs K8s Feature Matrix + +| Feature | Docker Compose | Kubernetes | +|---|---|---| +| Deploy Camel apps | Yes (Docker API) | Yes (K8s API) | +| Multiple environments | Yes (separate containers) | Yes (separate Deployments) | +| Agent injection | Yes | Yes | +| Observability (traces, topology) | Yes | Yes | +| Identity / SSO / Teams | Yes (Logto) | Yes (Logto) | +| Licensing | Yes | Yes | +| Auto-scaling | No | Yes (HPA) | +| Network isolation (multi-tenant) | Docker networks | NetworkPolicies | +| GitOps deployment | No (manual updates) | Yes (Flux CD) | +| Rolling updates | Manual restart | Native | +| Platform monitoring | Optional (customer adds Grafana) | Standard (Prometheus/Grafana/Loki) | +| Certificate management | Traefik ACME | cert-manager | + +## Revised Phase Roadmap + +### Phase 2: Tenants + Identity + Licensing +**Goal:** A customer can sign up, get a tenant, and access the platform via Traefik. + +- Integrate Logto as identity provider + - Replace custom user-facing auth (login, registration, password management) + - Keep Ed25519 JWT for machine tokens (agent bootstrap, license signing) + - Configure Logto organizations to map to tenants +- Tenant entity + CRUD API +- License token generation (Ed25519 signed JWT: tier, features, limits, expiry) +- Traefik integration with ForwardAuth middleware +- Docker Compose production stack (6 containers) +- Externalize Ed25519 keys (mounted files, not per-boot) + +**Files to modify/create:** +- `src/main/java/net/siegeln/cameleer/saas/tenant/` — new package +- `src/main/java/net/siegeln/cameleer/saas/license/` — new package +- `src/main/java/net/siegeln/cameleer/saas/config/SecurityConfig.java` — Logto OIDC integration +- `src/main/resources/db/migration/V005__create_tenants.sql` +- `src/main/resources/db/migration/V006__create_licenses.sql` +- `docker-compose.yml` — expand to full production stack +- `traefik.yml` — static config +- `src/main/resources/application.yml` — Logto + Traefik config + +### Phase 3: Runtime Orchestration + Environments +**Goal:** Customer can upload a Camel JAR, deploy it to dev/prod, see it running with agent attached. + +- `RuntimeOrchestrator` interface +- `DockerRuntimeOrchestrator` implementation (docker-java) +- Customer JAR upload endpoint +- Image build pipeline (Dockerfile template + docker build) +- Logical environment model (dev/test/prod per tenant) +- Environment-specific config overlays +- App lifecycle API (deploy, start, stop, restart, logs, health) + +**Key dependencies:** docker-java, Kaniko (for future K8s) + +### Phase 4: Observability Pipeline +**Goal:** Customer can see traces, metrics, and route topology for deployed apps. + +- Connect cameleer3-server to customer app containers +- ClickHouse tenant-scoped data partitioning +- Observability API proxy (tenant-aware routing to cameleer3-server) +- Basic topology graph endpoint +- Agent ↔ server connectivity verification + +### Phase 5: K8s Operational Layer +**Goal:** Same product works on K8s with operational enhancements. + +- `KubernetesRuntimeOrchestrator` implementation (fabric8) +- Kaniko-based image builds +- Flux CD integration for platform GitOps +- Namespace-per-tenant provisioning +- NetworkPolicies, ResourceQuotas +- Helm chart for K8s deployment +- Registry integration (Gitea registry / registry:2) + +### Phase 6: Billing +**Goal:** Customers can subscribe and pay. + +- Stripe Checkout integration +- Subscription lifecycle (create, upgrade, downgrade, cancel) +- Tier enforcement (feature gating based on active subscription) +- Usage tracking in platform DB (prep for Lago integration later) +- Webhook handling for payment events + +### Phase 7: Security Hardening + Monitoring +**Goal:** Production-hardened platform. + +- Prometheus/Grafana/Loki stack (optional Docker compose overlay, standard K8s) +- SOC 2 compliance review +- Rate limiting +- Container image signing (cosign) +- Supply chain security (SBOM, Trivy scanning) +- Audit log shipping to separate sink + +### Frontend (React Shell) — Parallel Track (Phase 2+) +- Can start as soon as Phase 2 API contracts are defined +- Uses `@cameleer/design-system` +- Screens: login, dashboard, app deployment, environment management, observability views, team management, billing + +## Verification Plan + +### Phase 2 Verification +1. `docker compose up` starts all 6 containers +2. Navigate to Logto admin, create a user +3. User logs in via OIDC flow through Traefik +4. API calls with JWT include `X-Tenant-Id` header +5. License token can be generated and verified +6. All existing tests still pass + +### Phase 3 Verification +1. Upload a sample Camel JAR via API +2. Platform builds container image +3. Deploy to "dev" environment +4. Container starts with cameleer3 agent attached +5. App is reachable via Traefik routing +6. Logs are accessible via API +7. Deploy same image to "prod" with different config + +### Phase 4 Verification +1. Running Camel app sends traces to cameleer3-server +2. Traces visible in ClickHouse with correct tenant_id +3. Topology graph shows route structure +4. Different tenant cannot see another tenant's data + +### Phase 5 Verification +1. Helm install deploys full platform to k3s +2. Tenant provisioning creates namespace + resources +3. App deployment creates K8s Deployment + Service +4. Kaniko builds image and pushes to registry +5. NetworkPolicy blocks cross-tenant traffic +6. Same API contracts work as Docker mode + +### End-to-End Smoke Test (Any Phase) +```bash +# Docker Compose +docker compose up -d +# Create tenant + user via API/Logto +# Upload sample Camel JAR +# Deploy to environment +# Verify agent connects to cameleer3-server +# Verify traces in ClickHouse +# Verify observability API returns data +```