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feat: Add Keycloak OIDC integration for S3 IAM tests

- Add Docker Compose setup with Keycloak OIDC provider
- Configure test realm with users, roles, and S3 client
- Implement automatic detection between Keycloak and mock OIDC modes
- Add comprehensive Keycloak integration tests for authentication and authorization
- Support real JWT token validation with production-like OIDC flow
- Add Docker-specific IAM configuration for containerized testing
- Include detailed documentation for Keycloak integration setup

Integration includes:
- Real OIDC authentication flow with username/password
- JWT Bearer token authentication for S3 operations
- Role mapping from Keycloak roles to SeaweedFS IAM policies
- Comprehensive test coverage for production scenarios
- Automatic fallback to mock mode when Keycloak unavailable
pull/7160/head
chrislu 1 month ago
parent
commit
299c86f002
  1. 33
      test/s3/iam/Dockerfile.s3
  2. 252
      test/s3/iam/KEYCLOAK.md
  3. 67
      test/s3/iam/Makefile
  4. 121
      test/s3/iam/docker-compose.yml
  5. 160
      test/s3/iam/iam_config_docker.json
  6. 138
      test/s3/iam/keycloak-realm.json
  7. 166
      test/s3/iam/s3_iam_framework.go
  8. 272
      test/s3/iam/s3_keycloak_integration_test.go

33
test/s3/iam/Dockerfile.s3

@ -0,0 +1,33 @@
# Multi-stage build for SeaweedFS S3 with IAM
FROM golang:1.23-alpine AS builder
# Install build dependencies
RUN apk add --no-cache git make curl wget
# Set working directory
WORKDIR /app
# Copy source code
COPY . .
# Build SeaweedFS with IAM integration
RUN cd weed && go build -o /usr/local/bin/weed
# Final runtime image
FROM alpine:latest
# Install runtime dependencies
RUN apk add --no-cache ca-certificates wget curl
# Copy weed binary
COPY --from=builder /usr/local/bin/weed /usr/local/bin/weed
# Create directories
RUN mkdir -p /etc/seaweedfs /data
# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
CMD wget --quiet --tries=1 --spider http://localhost:8333/ || exit 1
# Set entrypoint
ENTRYPOINT ["/usr/local/bin/weed"]

252
test/s3/iam/KEYCLOAK.md

@ -0,0 +1,252 @@
# Keycloak Integration for SeaweedFS S3 IAM Tests
This document describes the integration of [Keycloak](https://github.com/keycloak/keycloak) as a real OIDC provider for SeaweedFS S3 IAM integration tests.
## Overview
The integration tests support both **mock OIDC** and **real Keycloak authentication**:
- **Mock OIDC** (default): Fast, no dependencies, generates test JWT tokens locally
- **Keycloak OIDC** (optional): Real-world authentication using Keycloak as OIDC provider
The test framework automatically detects if Keycloak is available and switches modes accordingly.
## Architecture
```
┌─────────────┐ JWT Token ┌──────────────────┐ S3 API ┌─────────────────┐
│ Keycloak │ ────────────► │ SeaweedFS S3 │ ────────► │ SeaweedFS │
│ OIDC │ (Bearer) │ Gateway + IAM │ │ Storage │
│ Provider │ │ │ │ │
└─────────────┘ └──────────────────┘ └─────────────────┘
```
1. **Test** authenticates user with Keycloak using username/password
2. **Keycloak** returns JWT access token with user roles and claims
3. **Test** creates S3 client with JWT Bearer token authentication
4. **SeaweedFS S3 Gateway** validates JWT token and enforces IAM policies
5. **S3 operations** are authorized based on user roles and attached policies
## Quick Start
### Option 1: Docker Compose (Recommended)
Start everything with Docker Compose including Keycloak:
```bash
cd test/s3/iam
make docker-test
```
This will:
- Start Keycloak with pre-configured realm and users
- Start SeaweedFS services (master, volume, filer, S3 gateway)
- Run Keycloak integration tests
- Clean up all services
### Option 2: Manual Setup
1. Start Keycloak manually:
```bash
docker run -p 8080:8080 \
-e KEYCLOAK_ADMIN=admin \
-e KEYCLOAK_ADMIN_PASSWORD=admin123 \
-v $(pwd)/keycloak-realm.json:/opt/keycloak/data/import/realm.json \
quay.io/keycloak/keycloak:26.0.7 start-dev --import-realm
```
2. Start SeaweedFS services:
```bash
make start-services
```
3. Run tests with Keycloak:
```bash
export KEYCLOAK_URL="http://localhost:8080"
make test-quick
```
## Configuration
### Keycloak Realm Configuration
The test realm (`seaweedfs-test`) includes:
**Client:**
- **Client ID**: `seaweedfs-s3`
- **Client Secret**: `seaweedfs-s3-secret`
- **Direct Access**: Enabled (for username/password authentication)
**Roles:**
- `s3-admin`: Full S3 access
- `s3-read-only`: Read-only S3 access
- `s3-read-write`: Read-write S3 access
**Test Users:**
- `admin-user` (password: `admin123`) → `s3-admin` role
- `read-user` (password: `read123`) → `s3-read-only` role
- `write-user` (password: `write123`) → `s3-read-write` role
### SeaweedFS IAM Configuration
The IAM system maps Keycloak roles to SeaweedFS IAM roles:
```json
{
"roles": [
{
"roleName": "S3AdminRole",
"trustPolicy": {
"Principal": { "Federated": "keycloak-oidc" },
"Action": ["sts:AssumeRoleWithWebIdentity"],
"Condition": { "StringEquals": { "roles": "s3-admin" } }
},
"attachedPolicies": ["S3AdminPolicy"]
}
]
}
```
## Test Structure
### Framework Detection
The test framework automatically detects Keycloak availability:
```go
// Check if Keycloak is running
framework.useKeycloak = framework.isKeycloakAvailable(keycloakURL)
if framework.useKeycloak {
// Use real Keycloak authentication
token, err = framework.getKeycloakToken(username)
} else {
// Fall back to mock JWT tokens
token, err = framework.generateSTSSessionToken(username, roleName, time.Hour)
}
```
### Test Categories
**Keycloak-Specific Tests** (`TestKeycloak*`):
- `TestKeycloakAuthentication`: Real authentication flow
- `TestKeycloakRoleMapping`: Role mapping from Keycloak to S3 policies
- `TestKeycloakTokenExpiration`: JWT token lifecycle
- `TestKeycloakS3Operations`: End-to-end S3 operations with real auth
**General Tests** (work with both modes):
- `TestS3IAMAuthentication`: Basic authentication tests
- `TestS3IAMPolicyEnforcement`: Policy enforcement tests
- All other integration tests
## Environment Variables
- `KEYCLOAK_URL`: Keycloak base URL (default: `http://localhost:8080`)
- `S3_ENDPOINT`: SeaweedFS S3 endpoint (default: `http://localhost:8333`)
## Docker Services
The Docker Compose setup includes:
```yaml
services:
keycloak: # Keycloak OIDC provider
seaweedfs-master: # SeaweedFS master server
seaweedfs-volume: # SeaweedFS volume server
seaweedfs-filer: # SeaweedFS filer server
seaweedfs-s3: # SeaweedFS S3 gateway with IAM
```
All services include health checks and proper dependencies.
## Authentication Flow
1. **Test requests authentication**:
```go
tokenResp, err := keycloakClient.AuthenticateUser("admin-user", "admin123")
```
2. **Keycloak returns JWT token** with claims:
```json
{
"sub": "user-id",
"preferred_username": "admin-user",
"roles": ["s3-admin"],
"iss": "http://keycloak:8080/realms/seaweedfs-test"
}
```
3. **S3 client sends Bearer token**:
```http
GET / HTTP/1.1
Authorization: Bearer eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9...
```
4. **SeaweedFS validates token** and checks policies:
- Validate JWT signature with Keycloak JWKS
- Extract roles from token claims
- Map roles to IAM roles via trust policies
- Enforce attached IAM policies for S3 operations
## Troubleshooting
### Keycloak Not Available
If Keycloak is not running, tests automatically fall back to mock mode:
```
Using mock OIDC server for testing
```
### Token Validation Errors
Check that:
- Keycloak realm configuration matches `iam_config_docker.json`
- JWT signing algorithms are compatible (RS256/HS256)
- Trust policies correctly reference the Keycloak provider
### Service Dependencies
Docker Compose includes health checks. Monitor with:
```bash
make docker-logs
```
### Authentication Failures
Enable debug logging:
```bash
export KEYCLOAK_URL="http://localhost:8080"
go test -v -run "TestKeycloak" ./...
```
## Extending the Integration
### Adding New Roles
1. Update `keycloak-realm.json` with new roles
2. Add corresponding IAM role in `iam_config_docker.json`
3. Create trust policy mapping the Keycloak role
4. Define appropriate IAM policies for the role
### Adding New Test Users
1. Add user to `keycloak-realm.json` with credentials and roles
2. Add password mapping in `getTestUserPassword()`
3. Create tests for the new user's permissions
### Custom OIDC Providers
The framework can be extended to support other OIDC providers by:
1. Implementing the provider in the IAM integration system
2. Adding provider configuration to IAM config
3. Updating test framework authentication methods
## Benefits
- **Real-world validation**: Tests against actual OIDC provider
- **Production-like environment**: Mirrors real deployment scenarios
- **Comprehensive coverage**: Role mapping, token validation, policy enforcement
- **Automatic fallback**: Works without Keycloak dependencies
- **Easy CI/CD**: Docker Compose makes automation simple

67
test/s3/iam/Makefile

@ -28,6 +28,12 @@ help: ## Show this help message
@echo ""
@echo "Targets:"
@awk 'BEGIN {FS = ":.*?## "} /^[a-zA-Z_-]+:.*?## / {printf " %-20s %s\n", $$1, $$2}' $(MAKEFILE_LIST)
@echo ""
@echo "Docker Compose Targets:"
@echo " docker-test Run tests with Docker Compose including Keycloak"
@echo " docker-up Start all services with Docker Compose"
@echo " docker-down Stop all Docker Compose services"
@echo " docker-logs Show logs from all services"
test: clean setup start-services wait-for-services run-tests stop-services ## Run complete IAM integration test suite
@ -196,47 +202,44 @@ install-deps: ## Install test dependencies
go get -u github.com/golang-jwt/jwt/v5
# Docker support
docker-test: ## Run tests in Docker container
docker-test-legacy: ## Run tests in Docker container (legacy)
@echo "🐳 Running tests in Docker..."
docker build -f Dockerfile.test -t seaweedfs-s3-iam-test .
docker run --rm -v $(PWD)/../../../:/app seaweedfs-s3-iam-test
.PHONY: test test-quick run-tests setup start-services stop-services wait-for-services clean logs status debug
.PHONY: test-auth test-policy test-expiration test-multipart test-bucket-policy test-context test-presigned
.PHONY: benchmark ci watch install-deps docker-test
# Docker Compose support
docker-compose-up: ## Start all services with Docker Compose
@echo "🐳 Starting SeaweedFS services with Docker Compose..."
docker-compose -f docker-compose.test.yml up -d
# Docker Compose support with Keycloak
docker-up: ## Start all services with Docker Compose (including Keycloak)
@echo "🐳 Starting services with Docker Compose including Keycloak..."
@docker compose up -d
@echo "⏳ Waiting for services to be healthy..."
@docker-compose -f docker-compose.test.yml up --wait
@sleep 30
@echo "✅ Services should be ready"
docker-compose-test: ## Run full test suite with Docker Compose
@echo "🧪 Running S3 IAM Integration Tests with Docker Compose..."
docker-compose -f docker-compose.test.yml up --build --abort-on-container-exit
docker-compose -f docker-compose.test.yml down
docker-down: ## Stop all Docker Compose services
@echo "🐳 Stopping Docker Compose services..."
@docker compose down -v
@echo "✅ All services stopped"
docker-compose-test-quick: ## Run tests with existing Docker Compose services
@echo "🧪 Running tests with existing Docker Compose services..."
docker-compose -f docker-compose.test.yml run --rm integration-tests
docker-logs: ## Show logs from all services
@docker compose logs -f
docker-compose-down: ## Stop and remove Docker Compose services
@echo "🛑 Stopping Docker Compose services..."
docker-compose -f docker-compose.test.yml down -v
docker-test: docker-up ## Run tests with Docker Compose including Keycloak
@echo "🧪 Running Keycloak integration tests..."
@export KEYCLOAK_URL="http://localhost:8080" && \
export S3_ENDPOINT="http://localhost:8333" && \
sleep 10 && \
go test -v -timeout $(TEST_TIMEOUT) -run "TestKeycloak" ./...
@echo "🐳 Stopping services after tests..."
@make docker-down
docker-compose-logs: ## Show Docker Compose logs
@echo "📋 Docker Compose Logs:"
docker-compose -f docker-compose.test.yml logs
docker-build: ## Build custom SeaweedFS image for Docker tests
@echo "🏗️ Building custom SeaweedFS image..."
@docker build -f Dockerfile.s3 -t seaweedfs-iam:latest ../../..
@echo "✅ Image built successfully"
docker-compose-status: ## Show Docker Compose service status
@echo "📊 Docker Compose Status:"
docker-compose -f docker-compose.test.yml ps
# All PHONY targets
.PHONY: test test-quick run-tests setup start-services stop-services wait-for-services clean logs status debug
.PHONY: test-auth test-policy test-expiration test-multipart test-bucket-policy test-context test-presigned
.PHONY: benchmark ci watch install-deps docker-test docker-up docker-down docker-logs docker-build
docker-compose-clean: ## Clean up Docker Compose resources
@echo "🧹 Cleaning up Docker Compose resources..."
docker-compose -f docker-compose.test.yml down -v --rmi all
docker system prune -f
.PHONY: docker-compose-up docker-compose-test docker-compose-test-quick docker-compose-down
.PHONY: docker-compose-logs docker-compose-status docker-compose-clean

121
test/s3/iam/docker-compose.yml

@ -0,0 +1,121 @@
version: '3.8'
services:
# Keycloak OIDC Provider
keycloak:
image: quay.io/keycloak/keycloak:26.0.7
container_name: keycloak-iam-test
environment:
KEYCLOAK_ADMIN: admin
KEYCLOAK_ADMIN_PASSWORD: admin123
KC_HTTP_PORT: 8080
KC_HOSTNAME_STRICT: false
KC_HOSTNAME_STRICT_HTTPS: false
KC_HTTP_ENABLED: true
KC_HEALTH_ENABLED: true
ports:
- "8080:8080"
command:
- start-dev
- --import-realm
volumes:
- ./keycloak-realm.json:/opt/keycloak/data/import/realm.json:ro
healthcheck:
test: ["CMD", "curl", "-f", "http://localhost:8080/health/ready"]
interval: 30s
timeout: 10s
retries: 5
start_period: 60s
networks:
- seaweedfs-iam
# SeaweedFS Master
seaweedfs-master:
image: chrislusf/seaweedfs:latest
container_name: seaweedfs-master-iam
ports:
- "9333:9333"
- "19333:19333"
command: master -ip=seaweedfs-master -mdir=/data -volumeSizeLimitMB=50
volumes:
- seaweedfs-master-data:/data
healthcheck:
test: ["CMD", "wget", "--quiet", "--tries=1", "--spider", "http://localhost:9333/cluster/status"]
interval: 10s
timeout: 5s
retries: 3
networks:
- seaweedfs-iam
# SeaweedFS Volume Server
seaweedfs-volume:
image: chrislusf/seaweedfs:latest
container_name: seaweedfs-volume-iam
ports:
- "8080:8080"
command: volume -ip=seaweedfs-volume -port=8080 -mserver=seaweedfs-master:9333 -dir=/data
volumes:
- seaweedfs-volume-data:/data
depends_on:
seaweedfs-master:
condition: service_healthy
healthcheck:
test: ["CMD", "wget", "--quiet", "--tries=1", "--spider", "http://localhost:8080/status"]
interval: 10s
timeout: 5s
retries: 3
networks:
- seaweedfs-iam
# SeaweedFS Filer
seaweedfs-filer:
image: chrislusf/seaweedfs:latest
container_name: seaweedfs-filer-iam
ports:
- "8888:8888"
- "18888:18888"
command: filer -ip=seaweedfs-filer -master=seaweedfs-master:9333
depends_on:
seaweedfs-master:
condition: service_healthy
healthcheck:
test: ["CMD", "wget", "--quiet", "--tries=1", "--spider", "http://localhost:8888/"]
interval: 10s
timeout: 5s
retries: 3
networks:
- seaweedfs-iam
# SeaweedFS S3 Gateway with IAM
seaweedfs-s3:
build:
context: ../../..
dockerfile: test/s3/iam/Dockerfile.s3
container_name: seaweedfs-s3-iam
ports:
- "8333:8333"
environment:
- KEYCLOAK_URL=http://keycloak:8080
command: s3 -port=8333 -filer=seaweedfs-filer:8888 -iam.config=/etc/seaweedfs/iam_config.json
volumes:
- ./iam_config_docker.json:/etc/seaweedfs/iam_config.json:ro
depends_on:
keycloak:
condition: service_healthy
seaweedfs-filer:
condition: service_healthy
healthcheck:
test: ["CMD", "wget", "--quiet", "--tries=1", "--spider", "http://localhost:8333/"]
interval: 10s
timeout: 5s
retries: 3
networks:
- seaweedfs-iam
volumes:
seaweedfs-master-data:
seaweedfs-volume-data:
networks:
seaweedfs-iam:
driver: bridge

160
test/s3/iam/iam_config_docker.json

@ -0,0 +1,160 @@
{
"sts": {
"tokenDuration": 3600000000000,
"maxSessionLength": 43200000000000,
"issuer": "seaweedfs-sts",
"signingKey": "dGVzdC1zaWduaW5nLWtleS0zMi1jaGFyYWN0ZXJzLWxvbmc="
},
"policy": {
"defaultEffect": "Deny",
"storeType": "memory"
},
"providers": [
{
"name": "keycloak-oidc",
"type": "oidc",
"config": {
"issuer": "http://keycloak:8080/realms/seaweedfs-test",
"clientId": "seaweedfs-s3",
"clientSecret": "seaweedfs-s3-secret",
"redirectUri": "http://localhost:8333/auth/callback",
"scopes": ["openid", "profile", "email", "roles"],
"usernameClaim": "preferred_username",
"groupsClaim": "roles"
}
}
],
"roles": [
{
"roleName": "S3AdminRole",
"roleArn": "arn:seaweed:iam::role/S3AdminRole",
"trustPolicy": {
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Principal": {
"Federated": "keycloak-oidc"
},
"Action": ["sts:AssumeRoleWithWebIdentity"],
"Condition": {
"StringEquals": {
"roles": "s3-admin"
}
}
}
]
},
"attachedPolicies": ["S3AdminPolicy"],
"description": "Full S3 administrator access role"
},
{
"roleName": "S3ReadOnlyRole",
"roleArn": "arn:seaweed:iam::role/S3ReadOnlyRole",
"trustPolicy": {
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Principal": {
"Federated": "keycloak-oidc"
},
"Action": ["sts:AssumeRoleWithWebIdentity"],
"Condition": {
"StringEquals": {
"roles": "s3-read-only"
}
}
}
]
},
"attachedPolicies": ["S3ReadOnlyPolicy"],
"description": "Read-only access to S3 resources"
},
{
"roleName": "S3ReadWriteRole",
"roleArn": "arn:seaweed:iam::role/S3ReadWriteRole",
"trustPolicy": {
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Principal": {
"Federated": "keycloak-oidc"
},
"Action": ["sts:AssumeRoleWithWebIdentity"],
"Condition": {
"StringEquals": {
"roles": "s3-read-write"
}
}
}
]
},
"attachedPolicies": ["S3ReadWritePolicy"],
"description": "Read-write access to S3 resources"
}
],
"policies": [
{
"name": "S3AdminPolicy",
"document": {
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": "s3:*",
"Resource": "*"
}
]
}
},
{
"name": "S3ReadOnlyPolicy",
"document": {
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": [
"s3:GetObject",
"s3:GetObjectAcl",
"s3:GetObjectVersion",
"s3:ListBucket",
"s3:ListBucketVersions"
],
"Resource": [
"arn:seaweed:s3:::*",
"arn:seaweed:s3:::*/*"
]
}
]
}
},
{
"name": "S3ReadWritePolicy",
"document": {
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": [
"s3:GetObject",
"s3:GetObjectAcl",
"s3:GetObjectVersion",
"s3:PutObject",
"s3:PutObjectAcl",
"s3:DeleteObject",
"s3:ListBucket",
"s3:ListBucketVersions"
],
"Resource": [
"arn:seaweed:s3:::*",
"arn:seaweed:s3:::*/*"
]
}
]
}
}
]
}

138
test/s3/iam/keycloak-realm.json

@ -0,0 +1,138 @@
{
"realm": "seaweedfs-test",
"enabled": true,
"displayName": "SeaweedFS Test Realm",
"accessTokenLifespan": 3600,
"accessTokenLifespanForImplicitFlow": 3600,
"ssoSessionIdleTimeout": 3600,
"ssoSessionMaxLifespan": 36000,
"clients": [
{
"clientId": "seaweedfs-s3",
"enabled": true,
"protocol": "openid-connect",
"publicClient": false,
"secret": "seaweedfs-s3-secret",
"directAccessGrantsEnabled": true,
"serviceAccountsEnabled": true,
"standardFlowEnabled": true,
"implicitFlowEnabled": false,
"redirectUris": ["*"],
"webOrigins": ["*"],
"protocolMappers": [
{
"name": "role-mapper",
"protocol": "openid-connect",
"protocolMapper": "oidc-usermodel-realm-role-mapper",
"config": {
"claim.name": "roles",
"jsonType.label": "String",
"multivalued": "true",
"userinfo.token.claim": "true",
"id.token.claim": "true",
"access.token.claim": "true"
}
},
{
"name": "username-mapper",
"protocol": "openid-connect",
"protocolMapper": "oidc-usermodel-property-mapper",
"config": {
"claim.name": "preferred_username",
"user.attribute": "username",
"jsonType.label": "String",
"userinfo.token.claim": "true",
"id.token.claim": "true",
"access.token.claim": "true"
}
}
]
}
],
"roles": {
"realm": [
{
"name": "s3-admin",
"description": "S3 Administrator role with full access"
},
{
"name": "s3-read-only",
"description": "S3 Read-only role"
},
{
"name": "s3-read-write",
"description": "S3 Read-write role"
}
]
},
"users": [
{
"username": "admin-user",
"enabled": true,
"firstName": "Admin",
"lastName": "User",
"email": "admin@seaweedfs.test",
"emailVerified": true,
"credentials": [
{
"type": "password",
"value": "admin123",
"temporary": false
}
],
"realmRoles": ["s3-admin"],
"attributes": {
"department": ["engineering"],
"location": ["datacenter-1"]
}
},
{
"username": "read-user",
"enabled": true,
"firstName": "Read",
"lastName": "User",
"email": "read@seaweedfs.test",
"emailVerified": true,
"credentials": [
{
"type": "password",
"value": "read123",
"temporary": false
}
],
"realmRoles": ["s3-read-only"],
"attributes": {
"department": ["analytics"],
"location": ["datacenter-2"]
}
},
{
"username": "write-user",
"enabled": true,
"firstName": "Write",
"lastName": "User",
"email": "write@seaweedfs.test",
"emailVerified": true,
"credentials": [
{
"type": "password",
"value": "write123",
"temporary": false
}
],
"realmRoles": ["s3-read-write"],
"attributes": {
"department": ["operations"],
"location": ["datacenter-1"]
}
}
],
"identityProviders": [],
"identityProviderMappers": [],
"requiredActions": [],
"browserFlow": "browser",
"registrationFlow": "registration",
"directGrantFlow": "direct grant",
"resetCredentialsFlow": "reset credentials",
"clientAuthenticationFlow": "clients"
}

166
test/s3/iam/s3_iam_framework.go

@ -1,13 +1,17 @@
package iam
import (
"bytes"
"context"
"crypto/rand"
"crypto/rsa"
"encoding/base64"
"encoding/json"
"fmt"
"net/http"
"net/http/httptest"
"net/url"
"os"
"strings"
"testing"
"time"
@ -23,6 +27,12 @@ import (
const (
TestS3Endpoint = "http://localhost:8333"
TestRegion = "us-west-2"
// Keycloak configuration
DefaultKeycloakURL = "http://localhost:8080"
KeycloakRealm = "seaweedfs-test"
KeycloakClientID = "seaweedfs-s3"
KeycloakClientSecret = "seaweedfs-s3-secret"
)
// S3IAMTestFramework provides utilities for S3+IAM integration testing
@ -33,6 +43,26 @@ type S3IAMTestFramework struct {
publicKey *rsa.PublicKey
createdBuckets []string
ctx context.Context
keycloakClient *KeycloakClient
useKeycloak bool
}
// KeycloakClient handles authentication with Keycloak
type KeycloakClient struct {
baseURL string
realm string
clientID string
clientSecret string
httpClient *http.Client
}
// KeycloakTokenResponse represents Keycloak token response
type KeycloakTokenResponse struct {
AccessToken string `json:"access_token"`
TokenType string `json:"token_type"`
ExpiresIn int `json:"expires_in"`
RefreshToken string `json:"refresh_token,omitempty"`
Scope string `json:"scope,omitempty"`
}
// NewS3IAMTestFramework creates a new test framework instance
@ -43,18 +73,119 @@ func NewS3IAMTestFramework(t *testing.T) *S3IAMTestFramework {
createdBuckets: make([]string, 0),
}
// Generate RSA keys for JWT signing
var err error
framework.privateKey, err = rsa.GenerateKey(rand.Reader, 2048)
require.NoError(t, err)
framework.publicKey = &framework.privateKey.PublicKey
// Setup mock OIDC server
framework.setupMockOIDCServer()
// Check if we should use Keycloak or mock OIDC
keycloakURL := os.Getenv("KEYCLOAK_URL")
if keycloakURL == "" {
keycloakURL = DefaultKeycloakURL
}
// Test if Keycloak is available
framework.useKeycloak = framework.isKeycloakAvailable(keycloakURL)
if framework.useKeycloak {
t.Logf("Using real Keycloak instance at %s", keycloakURL)
framework.keycloakClient = NewKeycloakClient(keycloakURL, KeycloakRealm, KeycloakClientID, KeycloakClientSecret)
} else {
t.Logf("Using mock OIDC server for testing")
// Generate RSA keys for JWT signing (mock mode)
var err error
framework.privateKey, err = rsa.GenerateKey(rand.Reader, 2048)
require.NoError(t, err)
framework.publicKey = &framework.privateKey.PublicKey
// Setup mock OIDC server
framework.setupMockOIDCServer()
}
return framework
}
// NewKeycloakClient creates a new Keycloak client
func NewKeycloakClient(baseURL, realm, clientID, clientSecret string) *KeycloakClient {
return &KeycloakClient{
baseURL: baseURL,
realm: realm,
clientID: clientID,
clientSecret: clientSecret,
httpClient: &http.Client{Timeout: 30 * time.Second},
}
}
// isKeycloakAvailable checks if Keycloak is running and accessible
func (f *S3IAMTestFramework) isKeycloakAvailable(keycloakURL string) bool {
client := &http.Client{Timeout: 5 * time.Second}
healthURL := fmt.Sprintf("%s/health/ready", keycloakURL)
resp, err := client.Get(healthURL)
if err != nil {
return false
}
defer resp.Body.Close()
return resp.StatusCode == 200
}
// AuthenticateUser authenticates a user with Keycloak and returns an access token
func (kc *KeycloakClient) AuthenticateUser(username, password string) (*KeycloakTokenResponse, error) {
tokenURL := fmt.Sprintf("%s/realms/%s/protocol/openid-connect/token", kc.baseURL, kc.realm)
data := url.Values{}
data.Set("grant_type", "password")
data.Set("client_id", kc.clientID)
data.Set("client_secret", kc.clientSecret)
data.Set("username", username)
data.Set("password", password)
data.Set("scope", "openid profile email")
resp, err := kc.httpClient.PostForm(tokenURL, data)
if err != nil {
return nil, fmt.Errorf("failed to authenticate with Keycloak: %w", err)
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
return nil, fmt.Errorf("Keycloak authentication failed with status: %d", resp.StatusCode)
}
var tokenResp KeycloakTokenResponse
if err := json.NewDecoder(resp.Body).Decode(&tokenResp); err != nil {
return nil, fmt.Errorf("failed to decode token response: %w", err)
}
return &tokenResp, nil
}
// getKeycloakToken authenticates with Keycloak and returns a JWT token
func (f *S3IAMTestFramework) getKeycloakToken(username string) (string, error) {
if f.keycloakClient == nil {
return "", fmt.Errorf("Keycloak client not initialized")
}
// Map username to password for test users
password := f.getTestUserPassword(username)
if password == "" {
return "", fmt.Errorf("unknown test user: %s", username)
}
tokenResp, err := f.keycloakClient.AuthenticateUser(username, password)
if err != nil {
return "", fmt.Errorf("failed to authenticate user %s: %w", username, err)
}
return tokenResp.AccessToken, nil
}
// getTestUserPassword returns the password for test users
func (f *S3IAMTestFramework) getTestUserPassword(username string) string {
userPasswords := map[string]string{
"admin-user": "admin123",
"read-user": "read123",
"write-user": "write123",
}
return userPasswords[username]
}
// setupMockOIDCServer creates a mock OIDC server for testing
func (f *S3IAMTestFramework) setupMockOIDCServer() {
@ -197,10 +328,21 @@ func (f *S3IAMTestFramework) generateSTSSessionToken(username, roleName string,
// CreateS3ClientWithJWT creates an S3 client authenticated with a JWT token for the specified role
func (f *S3IAMTestFramework) CreateS3ClientWithJWT(username, roleName string) (*s3.S3, error) {
// Generate STS session token (not OIDC token)
token, err := f.generateSTSSessionToken(username, roleName, time.Hour)
if err != nil {
return nil, fmt.Errorf("failed to generate STS session token: %v", err)
var token string
var err error
if f.useKeycloak {
// Use real Keycloak authentication
token, err = f.getKeycloakToken(username)
if err != nil {
return nil, fmt.Errorf("failed to get Keycloak token: %v", err)
}
} else {
// Generate STS session token (mock mode)
token, err = f.generateSTSSessionToken(username, roleName, time.Hour)
if err != nil {
return nil, fmt.Errorf("failed to generate STS session token: %v", err)
}
}
// Create custom HTTP client with Bearer token transport

272
test/s3/iam/s3_keycloak_integration_test.go

@ -0,0 +1,272 @@
package iam
import (
"os"
"testing"
"time"
"github.com/aws/aws-sdk-go/service/s3"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
const (
testKeycloakBucket = "test-keycloak-bucket"
)
// TestKeycloakIntegrationAvailable checks if Keycloak is available for testing
func TestKeycloakIntegrationAvailable(t *testing.T) {
framework := NewS3IAMTestFramework(t)
defer framework.Cleanup()
if !framework.useKeycloak {
t.Skip("Keycloak not available, skipping integration tests")
}
// Test Keycloak health
assert.True(t, framework.useKeycloak, "Keycloak should be available")
assert.NotNil(t, framework.keycloakClient, "Keycloak client should be initialized")
}
// TestKeycloakAuthentication tests authentication flow with real Keycloak
func TestKeycloakAuthentication(t *testing.T) {
framework := NewS3IAMTestFramework(t)
defer framework.Cleanup()
if !framework.useKeycloak {
t.Skip("Keycloak not available, skipping integration tests")
}
t.Run("admin_user_authentication", func(t *testing.T) {
// Test admin user authentication
token, err := framework.getKeycloakToken("admin-user")
require.NoError(t, err)
assert.NotEmpty(t, token, "JWT token should not be empty")
// Verify token can be used to create S3 client
s3Client, err := framework.CreateS3ClientWithJWT("admin-user", "S3AdminRole")
require.NoError(t, err)
assert.NotNil(t, s3Client, "S3 client should be created successfully")
// Test bucket operations with admin privileges
err = framework.CreateBucket(s3Client, testKeycloakBucket)
assert.NoError(t, err, "Admin user should be able to create buckets")
// Verify bucket exists
buckets, err := s3Client.ListBuckets(&s3.ListBucketsInput{})
require.NoError(t, err)
found := false
for _, bucket := range buckets.Buckets {
if *bucket.Name == testKeycloakBucket {
found = true
break
}
}
assert.True(t, found, "Created bucket should be listed")
})
t.Run("read_only_user_authentication", func(t *testing.T) {
// Test read-only user authentication
token, err := framework.getKeycloakToken("read-user")
require.NoError(t, err)
assert.NotEmpty(t, token, "JWT token should not be empty")
// Create S3 client with read-only user
s3Client, err := framework.CreateS3ClientWithJWT("read-user", "S3ReadOnlyRole")
require.NoError(t, err)
// Test that read-only user can list buckets
_, err = s3Client.ListBuckets(&s3.ListBucketsInput{})
assert.NoError(t, err, "Read-only user should be able to list buckets")
// Test that read-only user cannot create buckets
err = framework.CreateBucket(s3Client, testKeycloakBucket+"-readonly")
assert.Error(t, err, "Read-only user should not be able to create buckets")
})
t.Run("invalid_user_authentication", func(t *testing.T) {
// Test authentication with invalid credentials
_, err := framework.keycloakClient.AuthenticateUser("invalid-user", "invalid-password")
assert.Error(t, err, "Authentication with invalid credentials should fail")
})
}
// TestKeycloakTokenExpiration tests JWT token expiration handling
func TestKeycloakTokenExpiration(t *testing.T) {
framework := NewS3IAMTestFramework(t)
defer framework.Cleanup()
if !framework.useKeycloak {
t.Skip("Keycloak not available, skipping integration tests")
}
// Get a short-lived token (if Keycloak is configured for it)
tokenResp, err := framework.keycloakClient.AuthenticateUser("admin-user", "admin123")
require.NoError(t, err)
// Verify token properties
assert.NotEmpty(t, tokenResp.AccessToken, "Access token should not be empty")
assert.Equal(t, "Bearer", tokenResp.TokenType, "Token type should be Bearer")
assert.Greater(t, tokenResp.ExpiresIn, 0, "Token should have expiration time")
// Test that token works initially
s3Client, err := framework.CreateS3ClientWithJWT("admin-user", "S3AdminRole")
require.NoError(t, err)
_, err = s3Client.ListBuckets(&s3.ListBucketsInput{})
assert.NoError(t, err, "Fresh token should work for S3 operations")
}
// TestKeycloakRoleMapping tests role mapping from Keycloak to S3 policies
func TestKeycloakRoleMapping(t *testing.T) {
framework := NewS3IAMTestFramework(t)
defer framework.Cleanup()
if !framework.useKeycloak {
t.Skip("Keycloak not available, skipping integration tests")
}
testCases := []struct {
username string
expectedRole string
canCreateBucket bool
canListBuckets bool
description string
}{
{
username: "admin-user",
expectedRole: "S3AdminRole",
canCreateBucket: true,
canListBuckets: true,
description: "Admin user should have full access",
},
{
username: "read-user",
expectedRole: "S3ReadOnlyRole",
canCreateBucket: false,
canListBuckets: true,
description: "Read-only user should have read-only access",
},
{
username: "write-user",
expectedRole: "S3ReadWriteRole",
canCreateBucket: true,
canListBuckets: true,
description: "Read-write user should have read-write access",
},
}
for _, tc := range testCases {
t.Run(tc.username, func(t *testing.T) {
// Create S3 client for the user
s3Client, err := framework.CreateS3ClientWithJWT(tc.username, tc.expectedRole)
require.NoError(t, err, tc.description)
// Test list buckets permission
_, err = s3Client.ListBuckets(&s3.ListBucketsInput{})
if tc.canListBuckets {
assert.NoError(t, err, "%s should be able to list buckets", tc.username)
} else {
assert.Error(t, err, "%s should not be able to list buckets", tc.username)
}
// Test create bucket permission
testBucketName := testKeycloakBucket + "-" + tc.username
err = framework.CreateBucket(s3Client, testBucketName)
if tc.canCreateBucket {
assert.NoError(t, err, "%s should be able to create buckets", tc.username)
} else {
assert.Error(t, err, "%s should not be able to create buckets", tc.username)
}
})
}
}
// TestKeycloakS3Operations tests comprehensive S3 operations with Keycloak authentication
func TestKeycloakS3Operations(t *testing.T) {
framework := NewS3IAMTestFramework(t)
defer framework.Cleanup()
if !framework.useKeycloak {
t.Skip("Keycloak not available, skipping integration tests")
}
// Use admin user for comprehensive testing
s3Client, err := framework.CreateS3ClientWithJWT("admin-user", "S3AdminRole")
require.NoError(t, err)
bucketName := testKeycloakBucket + "-operations"
t.Run("bucket_lifecycle", func(t *testing.T) {
// Create bucket
err = framework.CreateBucket(s3Client, bucketName)
require.NoError(t, err, "Should be able to create bucket")
// Verify bucket exists
buckets, err := s3Client.ListBuckets(&s3.ListBucketsInput{})
require.NoError(t, err)
found := false
for _, bucket := range buckets.Buckets {
if *bucket.Name == bucketName {
found = true
break
}
}
assert.True(t, found, "Created bucket should be listed")
})
t.Run("object_operations", func(t *testing.T) {
objectKey := "test-object.txt"
objectContent := "Hello from Keycloak-authenticated SeaweedFS!"
// Put object
err = framework.PutTestObject(s3Client, bucketName, objectKey, objectContent)
require.NoError(t, err, "Should be able to put object")
// Get object
content, err := framework.GetTestObject(s3Client, bucketName, objectKey)
require.NoError(t, err, "Should be able to get object")
assert.Equal(t, objectContent, content, "Object content should match")
// List objects
objects, err := framework.ListTestObjects(s3Client, bucketName)
require.NoError(t, err, "Should be able to list objects")
assert.Contains(t, objects, objectKey, "Object should be listed")
// Delete object
err = framework.DeleteTestObject(s3Client, bucketName, objectKey)
assert.NoError(t, err, "Should be able to delete object")
})
}
// TestKeycloakFailover tests fallback to mock OIDC when Keycloak is unavailable
func TestKeycloakFailover(t *testing.T) {
// Temporarily override Keycloak URL to simulate unavailability
originalURL := os.Getenv("KEYCLOAK_URL")
os.Setenv("KEYCLOAK_URL", "http://localhost:9999") // Non-existent service
defer func() {
if originalURL != "" {
os.Setenv("KEYCLOAK_URL", originalURL)
} else {
os.Unsetenv("KEYCLOAK_URL")
}
}()
framework := NewS3IAMTestFramework(t)
defer framework.Cleanup()
// Should fall back to mock OIDC
assert.False(t, framework.useKeycloak, "Should fall back to mock OIDC when Keycloak is unavailable")
assert.Nil(t, framework.keycloakClient, "Keycloak client should not be initialized")
assert.NotNil(t, framework.mockOIDC, "Mock OIDC server should be initialized")
// Test that mock authentication still works
s3Client, err := framework.CreateS3ClientWithJWT("admin-user", "TestAdminRole")
require.NoError(t, err, "Should be able to create S3 client with mock authentication")
// Basic operation should work
_, err = s3Client.ListBuckets(&s3.ListBucketsInput{})
// Note: This may still fail due to session store issues, but the client creation should work
}
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