service-mesh-orchestrator.ts•20.2 kB
import { EventEmitter } from 'events';
import { createLogger } from '../../shared/src/logging.js';
import ServiceMesh from './service-mesh.js';
import APIGateway from './api-gateway.js';
import { memoryOptimizationSuite } from '../../shared/src/memory-optimization-suite.js';
export interface OrchestrationConfig {
environment: 'development' | 'staging' | 'production';
region: string;
zone: string;
gateway: {
enabled: boolean;
port: number;
host: string;
cors: {
enabled: boolean;
origins: string[];
methods: string[];
headers: string[];
};
ssl: {
enabled: boolean;
certPath?: string;
keyPath?: string;
};
};
serviceMesh: {
enabled: boolean;
discovery: {
enabled: boolean;
interval: number;
timeout: number;
};
loadBalancing: {
strategy: 'round_robin' | 'least_connections' | 'weighted_round_robin';
healthCheckInterval: number;
};
circuitBreaker: {
enabled: boolean;
failureThreshold: number;
recoveryTimeout: number;
};
tracing: {
enabled: boolean;
samplingRate: number;
exportEndpoint?: string;
};
};
monitoring: {
enabled: boolean;
metricsInterval: number;
alerting: {
enabled: boolean;
endpoints: string[];
};
};
security: {
authentication: {
enabled: boolean;
providers: string[];
defaultScheme: 'bearer' | 'basic' | 'apikey';
};
authorization: {
enabled: boolean;
defaultPolicy: 'allow' | 'deny';
};
rateLimit: {
enabled: boolean;
global: {
requestsPerSecond: number;
burstSize: number;
};
};
};
}
export interface ServiceConfiguration {
name: string;
version: string;
replicas: number;
resources: {
cpu: number;
memory: number;
disk: number;
};
environment: Record<string, string>;
healthCheck: {
path: string;
port: number;
initialDelay: number;
interval: number;
timeout: number;
retries: number;
};
deployment: {
strategy: 'rolling' | 'blue_green' | 'canary';
maxUnavailable: number;
maxSurge: number;
};
}
export interface DeploymentStatus {
serviceId: string;
status: 'pending' | 'deploying' | 'running' | 'failed' | 'stopped';
replicas: {
desired: number;
current: number;
ready: number;
updated: number;
};
conditions: DeploymentCondition[];
startTime: number;
lastUpdateTime: number;
}
export interface DeploymentCondition {
type: 'Available' | 'Progressing' | 'ReplicaFailure';
status: 'True' | 'False' | 'Unknown';
reason: string;
message: string;
lastTransitionTime: number;
}
export interface ServiceMeshStatus {
healthy: boolean;
totalServices: number;
healthyServices: number;
totalRequests: number;
errorRate: number;
averageLatency: number;
circuitBreakerTrips: number;
lastUpdate: number;
}
export class ServiceMeshOrchestrator extends EventEmitter {
private logger = createLogger('ServiceMeshOrchestrator');
private config: OrchestrationConfig;
private serviceMesh: ServiceMesh;
private apiGateway: APIGateway;
private deployments = new Map<string, DeploymentStatus>();
private serviceConfigs = new Map<string, ServiceConfiguration>();
private monitoringInterval: NodeJS.Timeout | null = null;
private healthCheckInterval: NodeJS.Timeout | null = null;
constructor(config: Partial<OrchestrationConfig> = {}) {
super();
this.config = this.mergeDefaultConfig(config);
this.serviceMesh = new ServiceMesh();
this.apiGateway = new APIGateway(this.serviceMesh);
this.setupEventHandlers();
this.initializeRoutes();
if (this.config.monitoring.enabled) {
this.startMonitoring();
}
this.logger.info('Service Mesh Orchestrator initialized', {
environment: this.config.environment,
region: this.config.region,
gateway: this.config.gateway.enabled,
monitoring: this.config.monitoring.enabled
});
}
private mergeDefaultConfig(config: Partial<OrchestrationConfig>): OrchestrationConfig {
return {
environment: 'development',
region: 'default',
zone: 'default',
gateway: {
enabled: true,
port: 3000,
host: '0.0.0.0',
cors: {
enabled: true,
origins: ['*'],
methods: ['GET', 'POST', 'PUT', 'DELETE', 'OPTIONS'],
headers: ['Content-Type', 'Authorization', 'X-API-Key']
},
ssl: {
enabled: false
}
},
serviceMesh: {
enabled: true,
discovery: {
enabled: true,
interval: 30000,
timeout: 5000
},
loadBalancing: {
strategy: 'round_robin',
healthCheckInterval: 30000
},
circuitBreaker: {
enabled: true,
failureThreshold: 5,
recoveryTimeout: 60000
},
tracing: {
enabled: false,
samplingRate: 0.1
}
},
monitoring: {
enabled: true,
metricsInterval: 30000,
alerting: {
enabled: false,
endpoints: []
}
},
security: {
authentication: {
enabled: false,
providers: [],
defaultScheme: 'bearer'
},
authorization: {
enabled: false,
defaultPolicy: 'allow'
},
rateLimit: {
enabled: true,
global: {
requestsPerSecond: 100,
burstSize: 200
}
}
},
...config
};
}
private setupEventHandlers(): void {
// Service Mesh events
this.serviceMesh.on('serviceRegistered', (service) => {
this.logger.info(`Service registered in mesh: ${service.name}`, { id: service.id });
this.updateDeploymentStatus(service.name, 'running');
});
this.serviceMesh.on('serviceDeregistered', (service) => {
this.logger.info(`Service deregistered from mesh: ${service.name}`, { id: service.id });
this.updateDeploymentStatus(service.name, 'stopped');
});
this.serviceMesh.on('serviceHealthChanged', (service, health) => {
this.logger.info(`Service health changed: ${service.name} -> ${health}`, { id: service.id });
this.handleServiceHealthChange(service, health);
});
this.serviceMesh.on('circuitBreakerTripped', (serviceId) => {
this.logger.warn(`Circuit breaker tripped: ${serviceId}`);
this.handleCircuitBreakerTrip(serviceId);
});
// API Gateway events
this.apiGateway.on('routeRegistered', (route) => {
this.logger.info(`API route registered: ${route.method} ${route.path} -> ${route.serviceName}`);
});
// Memory optimization events
memoryOptimizationSuite.on('memoryLeakDetected', (leak) => {
this.logger.error(`Memory leak detected in service mesh:`, leak);
this.handleMemoryLeak(leak);
});
}
private initializeRoutes(): void {
// Register core API routes
this.apiGateway.registerRoute('/health', 'GET', 'orchestrator', {
timeout: 5000,
retries: 1,
middleware: ['logging', 'validation']
});
this.apiGateway.registerRoute('/metrics', 'GET', 'orchestrator', {
timeout: 10000,
retries: 1,
middleware: ['logging', 'validation', 'authentication']
});
this.apiGateway.registerRoute('/services', 'GET', 'orchestrator', {
timeout: 10000,
retries: 1,
middleware: ['logging', 'validation', 'authentication']
});
// Register service-specific routes dynamically
this.registerServiceRoutes();
}
private registerServiceRoutes(): void {
// Register routes for known services
const knownServices = [
'ai-integration',
'visualization-insights',
'memory-optimization',
'attention-mechanisms',
'transformer-architecture',
'language-model'
];
for (const serviceName of knownServices) {
// Health check route
this.apiGateway.registerRoute(`/${serviceName}/health`, 'GET', serviceName, {
timeout: 5000,
retries: 2,
middleware: ['logging', 'validation']
});
// API routes
this.apiGateway.registerRoute(`/${serviceName}/*`, 'POST', serviceName, {
timeout: 30000,
retries: 3,
authentication: {
required: this.config.security.authentication.enabled,
schemes: [this.config.security.authentication.defaultScheme],
providers: this.config.security.authentication.providers
},
rateLimit: this.config.security.rateLimit.enabled ? this.config.security.rateLimit.global : undefined,
middleware: ['logging', 'validation', 'authentication', 'authorization', 'rateLimit']
});
}
}
async deployService(
config: ServiceConfiguration,
options: {
waitForReady?: boolean;
timeout?: number;
} = {}
): Promise<string> {
const deploymentId = `${config.name}_${config.version}_${Date.now()}`;
const { waitForReady = true, timeout = 300000 } = options; // 5 minutes default
this.logger.info(`Starting deployment: ${config.name}:${config.version}`, { deploymentId });
// Create deployment status
const deployment: DeploymentStatus = {
serviceId: deploymentId,
status: 'deploying',
replicas: {
desired: config.replicas,
current: 0,
ready: 0,
updated: 0
},
conditions: [{
type: 'Progressing',
status: 'True',
reason: 'DeploymentStarted',
message: 'Deployment has started',
lastTransitionTime: Date.now()
}],
startTime: Date.now(),
lastUpdateTime: Date.now()
};
this.deployments.set(deploymentId, deployment);
this.serviceConfigs.set(deploymentId, config);
try {
// Simulate deployment process
await this.performDeployment(deploymentId, config);
deployment.status = 'running';
deployment.conditions.push({
type: 'Available',
status: 'True',
reason: 'DeploymentAvailable',
message: 'Deployment is available',
lastTransitionTime: Date.now()
});
if (waitForReady) {
await this.waitForDeploymentReady(deploymentId, timeout);
}
this.logger.info(`Deployment completed: ${config.name}:${config.version}`, { deploymentId });
this.emit('deploymentCompleted', { deploymentId, config });
return deploymentId;
} catch (error) {
deployment.status = 'failed';
deployment.conditions.push({
type: 'ReplicaFailure',
status: 'True',
reason: 'DeploymentFailed',
message: error instanceof Error ? error.message : 'Unknown deployment error',
lastTransitionTime: Date.now()
});
this.logger.error(`Deployment failed: ${config.name}:${config.version}`, error);
this.emit('deploymentFailed', { deploymentId, config, error });
throw error;
}
}
private async performDeployment(deploymentId: string, config: ServiceConfiguration): Promise<void> {
// Simulate deployment steps
const deployment = this.deployments.get(deploymentId)!;
// Register service with mesh
const endpoints = [{
host: 'localhost',
port: 8000 + Math.floor(Math.random() * 1000),
path: '/',
protocol: 'http',
weight: 1,
tags: [config.name, config.version]
}];
const serviceId = await this.serviceMesh.registerService(
config.name,
config.version,
endpoints,
{
protocol: 'http',
healthcheck: {
enabled: true,
path: config.healthCheck.path,
interval: config.healthCheck.interval,
timeout: config.healthCheck.timeout,
healthyThreshold: 2,
unhealthyThreshold: config.healthCheck.retries
},
metadata: {
region: this.config.region,
zone: this.config.zone,
environment: this.config.environment,
capabilities: [],
resources: config.resources,
dependencies: [],
tags: { version: config.version, deployment: deploymentId }
}
}
);
// Update deployment status
deployment.replicas.current = config.replicas;
deployment.replicas.ready = config.replicas;
deployment.replicas.updated = config.replicas;
deployment.lastUpdateTime = Date.now();
// Simulate startup time
await new Promise(resolve => setTimeout(resolve, 2000));
}
private async waitForDeploymentReady(deploymentId: string, timeout: number): Promise<void> {
const startTime = Date.now();
while (Date.now() - startTime < timeout) {
const deployment = this.deployments.get(deploymentId);
if (deployment && deployment.status === 'running' && deployment.replicas.ready >= deployment.replicas.desired) {
return;
}
await new Promise(resolve => setTimeout(resolve, 1000));
}
throw new Error(`Deployment readiness timeout: ${deploymentId}`);
}
async scaleService(deploymentId: string, replicas: number): Promise<void> {
const deployment = this.deployments.get(deploymentId);
const config = this.serviceConfigs.get(deploymentId);
if (!deployment || !config) {
throw new Error(`Deployment not found: ${deploymentId}`);
}
this.logger.info(`Scaling service: ${config.name} from ${deployment.replicas.desired} to ${replicas}`);
deployment.replicas.desired = replicas;
deployment.lastUpdateTime = Date.now();
deployment.conditions.push({
type: 'Progressing',
status: 'True',
reason: 'ScalingInProgress',
message: `Scaling from ${deployment.replicas.current} to ${replicas} replicas`,
lastTransitionTime: Date.now()
});
// Simulate scaling
await new Promise(resolve => setTimeout(resolve, 1000));
deployment.replicas.current = replicas;
deployment.replicas.ready = replicas;
deployment.replicas.updated = replicas;
this.emit('serviceScaled', { deploymentId, oldReplicas: config.replicas, newReplicas: replicas });
}
async stopService(deploymentId: string): Promise<void> {
const deployment = this.deployments.get(deploymentId);
const config = this.serviceConfigs.get(deploymentId);
if (!deployment || !config) {
throw new Error(`Deployment not found: ${deploymentId}`);
}
this.logger.info(`Stopping service: ${config.name}:${config.version}`, { deploymentId });
// Deregister from service mesh
const services = this.serviceMesh.getServicesByName(config.name);
for (const service of services) {
if (service.metadata.tags.deployment === deploymentId) {
await this.serviceMesh.deregisterService(service.id);
}
}
deployment.status = 'stopped';
deployment.replicas.current = 0;
deployment.replicas.ready = 0;
deployment.lastUpdateTime = Date.now();
this.emit('serviceStopped', { deploymentId, config });
}
private updateDeploymentStatus(serviceName: string, status: DeploymentStatus['status']): void {
for (const [deploymentId, deployment] of this.deployments) {
const config = this.serviceConfigs.get(deploymentId);
if (config && config.name === serviceName) {
deployment.status = status;
deployment.lastUpdateTime = Date.now();
}
}
}
private handleServiceHealthChange(service: any, health: string): void {
// Find associated deployment
for (const [deploymentId, deployment] of this.deployments) {
if (service.metadata?.tags?.deployment === deploymentId) {
const condition: DeploymentCondition = {
type: 'Available',
status: health === 'healthy' ? 'True' : 'False',
reason: health === 'healthy' ? 'ServiceHealthy' : 'ServiceUnhealthy',
message: `Service health is ${health}`,
lastTransitionTime: Date.now()
};
deployment.conditions.push(condition);
deployment.lastUpdateTime = Date.now();
break;
}
}
}
private handleCircuitBreakerTrip(serviceId: string): void {
// Implement circuit breaker response (e.g., auto-scaling, alerting)
this.emit('circuitBreakerTripped', { serviceId, timestamp: Date.now() });
}
private handleMemoryLeak(leak: any): void {
// Implement memory leak response
if (leak.confidence > 0.8) {
this.logger.warn(`High-confidence memory leak detected, considering service restart`);
this.emit('memoryLeakAlert', leak);
}
}
private startMonitoring(): void {
this.monitoringInterval = setInterval(() => {
this.collectMetrics();
}, this.config.monitoring.metricsInterval);
this.healthCheckInterval = setInterval(() => {
this.performHealthChecks();
}, this.config.serviceMesh.loadBalancing.healthCheckInterval);
}
private collectMetrics(): void {
const meshMetrics = this.serviceMesh.getMetrics();
const gatewayMetrics = this.apiGateway.getMetrics();
const services = this.serviceMesh.getServices();
const status: ServiceMeshStatus = {
healthy: meshMetrics.errorRate < 0.1,
totalServices: services.length,
healthyServices: services.filter(s => s.status === 'healthy').length,
totalRequests: gatewayMetrics.totalRequests,
errorRate: gatewayMetrics.failedRequests / Math.max(gatewayMetrics.totalRequests, 1),
averageLatency: gatewayMetrics.averageLatency,
circuitBreakerTrips: meshMetrics.circuitBreakerTrips,
lastUpdate: Date.now()
};
this.emit('metricsCollected', { mesh: meshMetrics, gateway: gatewayMetrics, status });
}
private performHealthChecks(): void {
// Health checks are handled by the service mesh
// This could be extended to perform additional checks
const unhealthyServices = this.serviceMesh.getServices().filter(s => s.status === 'unhealthy');
if (unhealthyServices.length > 0) {
this.logger.warn(`Found ${unhealthyServices.length} unhealthy services`);
this.emit('unhealthyServicesDetected', unhealthyServices);
}
}
// Public API methods
getServiceMesh(): ServiceMesh {
return this.serviceMesh;
}
getAPIGateway(): APIGateway {
return this.apiGateway;
}
getConfiguration(): OrchestrationConfig {
return { ...this.config };
}
getDeployments(): DeploymentStatus[] {
return Array.from(this.deployments.values());
}
getDeployment(deploymentId: string): DeploymentStatus | null {
return this.deployments.get(deploymentId) || null;
}
getServiceConfiguration(deploymentId: string): ServiceConfiguration | null {
return this.serviceConfigs.get(deploymentId) || null;
}
getServiceMeshStatus(): ServiceMeshStatus {
const meshMetrics = this.serviceMesh.getMetrics();
const services = this.serviceMesh.getServices();
return {
healthy: meshMetrics.errorRate < 0.1,
totalServices: services.length,
healthyServices: services.filter(s => s.status === 'healthy').length,
totalRequests: meshMetrics.totalRequests,
errorRate: meshMetrics.errorRate,
averageLatency: meshMetrics.averageLatency,
circuitBreakerTrips: meshMetrics.circuitBreakerTrips,
lastUpdate: Date.now()
};
}
async handleAPIRequest(request: any): Promise<any> {
return await this.apiGateway.handleRequest(request);
}
async shutdown(): Promise<void> {
this.logger.info('Shutting down Service Mesh Orchestrator');
if (this.monitoringInterval) {
clearInterval(this.monitoringInterval);
}
if (this.healthCheckInterval) {
clearInterval(this.healthCheckInterval);
}
// Stop all deployments
for (const deploymentId of this.deployments.keys()) {
try {
await this.stopService(deploymentId);
} catch (error) {
this.logger.error(`Error stopping service ${deploymentId}:`, error);
}
}
await this.serviceMesh.shutdown();
this.logger.info('Service Mesh Orchestrator shutdown completed');
}
}
export default ServiceMeshOrchestrator;