@clduab11/gemini-flow/src/agentspace/core/AgentEnvironmentVirtualization.ts

Revolutionary AI agent swarm coordination platform with Google Services integration, multimedia processing, and production-ready monitoring. Features 8 Google AI services, quantum computing capabilities, and enterprise-grade security.

/**
 * Agent Environment Virtualization System
 *
 * Provides isolated, resource-controlled workspaces for agents with:
 * - Resource limits and monitoring
 * - Inter-agent communication via MCP
 * - Security isolation
 * - Performance tracking
 */

import { EventEmitter } from "events";
import { Logger } from "../../utils/logger.js";
import {
  AgentWorkspace,
  WorkspaceResources,
  ResourceLimits,
  WorkspaceState,
  WorkspaceConfiguration,
  AgentSpaceEvent,
  ResourceUtilization,
  PerformanceMetrics,
  NetworkPolicy,
  SecurityPolicy,
} from "../types/AgentSpaceTypes.js";

export interface VirtualizationConfig {
  maxWorkspaces: number;
  defaultResourceLimits: ResourceLimits;
  isolationLevel: "process" | "container" | "vm" | "secure_enclave";
  monitoringInterval: number;
  cleanupInterval: number;
  securityEnabled: boolean;
}

export class AgentEnvironmentVirtualization extends EventEmitter {
  private logger: Logger;
  private config: VirtualizationConfig;
  private workspaces: Map<string, AgentWorkspace> = new Map();
  private resourceMonitors: Map<string, NodeJS.Timeout> = new Map();
  private cleanupTimer: NodeJS.Timeout | null = null;

  // Performance tracking
  private metrics = {
    totalWorkspaces: 0,
    activeWorkspaces: 0,
    resourceUtilization: {
      memory: 0,
      cpu: 0,
      network: 0,
      storage: 0,
    },
    performance: {
      averageResponseTime: 0,
      throughput: 0,
      errorRate: 0,
    },
  };

  constructor(config: VirtualizationConfig) {
    super();
    this.logger = new Logger("AgentEnvironmentVirtualization");
    this.config = config;
    this.initializeSystem();
  }

  private initializeSystem(): void {
    // Start periodic cleanup
    this.cleanupTimer = setInterval(() => {
      this.performCleanup();
    }, this.config.cleanupInterval);

    this.logger.info("Agent Environment Virtualization initialized", {
      maxWorkspaces: this.config.maxWorkspaces,
      isolationLevel: this.config.isolationLevel,
    });
  }

  /**
   * Create an isolated workspace for an agent
   */
  async createWorkspace(
    agentId: string,
    workspaceName: string,
    configuration?: Partial<WorkspaceConfiguration>,
  ): Promise<AgentWorkspace> {
    if (this.workspaces.size >= this.config.maxWorkspaces) {
      throw new Error(
        `Maximum workspace limit reached: ${this.config.maxWorkspaces}`,
      );
    }

    const workspaceId = `ws_${agentId}_${Date.now()}`;

    const workspace: AgentWorkspace = {
      id: workspaceId,
      agentId,
      name: workspaceName,
      type: "isolated",
      resources: this.initializeResources(),
      resourceLimits: { ...this.config.defaultResourceLimits },
      spatialProperties: {
        coordinates: { x: 0, y: 0, z: 0 },
        orientation: { x: 0, y: 0, z: 0, w: 1 },
        boundingBox: {
          min: { x: -10, y: -10, z: -10 },
          max: { x: 10, y: 10, z: 10 },
          center: { x: 0, y: 0, z: 0 },
          volume: 8000,
        },
        velocity: { x: 0, y: 0, z: 0 },
        acceleration: { x: 0, y: 0, z: 0 },
        spatialRelationships: [],
      },
      accessControl: {
        owner: agentId,
        permissions: [
          {
            subject: agentId,
            actions: ["read", "write", "execute", "admin"],
            conditions: [],
          },
        ],
        inheritanceEnabled: false,
        defaultPermission: "deny",
      },
      state: {
        status: "initializing",
        health: "healthy",
        resourceUtilization: {
          memory: 0,
          cpu: 0,
          network: 0,
          storage: 0,
          efficiency: 1.0,
        },
        performance: {
          responseTime: 0,
          throughput: 0,
          errorRate: 0,
          successRate: 1.0,
          latency: 0,
          concurrency: 0,
        },
        errors: [],
      },
      createdAt: new Date(),
      lastAccessedAt: new Date(),
      configuration: this.createDefaultConfiguration(configuration),
    };

    this.workspaces.set(workspaceId, workspace);

    // Start resource monitoring
    await this.startResourceMonitoring(workspaceId);

    // Initialize workspace environment
    await this.initializeWorkspaceEnvironment(workspace);

    workspace.state.status = "active";
    this.metrics.totalWorkspaces++;
    this.metrics.activeWorkspaces++;

    this.logger.info("Workspace created", {
      workspaceId,
      agentId,
      name: workspaceName,
    });

    this.emit("workspace_created", {
      id: `evt_${Date.now()}`,
      type: "workspace_created",
      source: "virtualization_system",
      target: agentId,
      timestamp: new Date(),
      data: { workspaceId, workspace },
      severity: "info",
    } as AgentSpaceEvent);

    return workspace;
  }

  /**
   * Destroy a workspace and clean up resources
   */
  async destroyWorkspace(workspaceId: string): Promise<void> {
    const workspace = this.workspaces.get(workspaceId);
    if (!workspace) {
      throw new Error(`Workspace not found: ${workspaceId}`);
    }

    workspace.state.status = "terminating";

    try {
      // Stop resource monitoring
      const monitor = this.resourceMonitors.get(workspaceId);
      if (monitor) {
        clearInterval(monitor);
        this.resourceMonitors.delete(workspaceId);
      }

      // Clean up workspace environment
      await this.cleanupWorkspaceEnvironment(workspace);

      // Remove from active workspaces
      this.workspaces.delete(workspaceId);
      this.metrics.activeWorkspaces--;

      this.logger.info("Workspace destroyed", {
        workspaceId,
        agentId: workspace.agentId,
      });

      this.emit("workspace_destroyed", {
        id: `evt_${Date.now()}`,
        type: "workspace_destroyed",
        source: "virtualization_system",
        target: workspace.agentId,
        timestamp: new Date(),
        data: { workspaceId, agentId: workspace.agentId },
        severity: "info",
      } as AgentSpaceEvent);
    } catch (error) {
      workspace.state.status = "error";
      workspace.state.health = "critical";
      workspace.state.errors.push({
        id: `err_${Date.now()}`,
        type: "destruction_error",
        message: error.message,
        severity: "high",
        timestamp: new Date(),
        resolved: false,
      });

      this.logger.error("Failed to destroy workspace", {
        workspaceId,
        error: error.message,
      });

      throw error;
    }
  }

  /**
   * Get workspace information
   */
  getWorkspace(workspaceId: string): AgentWorkspace | null {
    return this.workspaces.get(workspaceId) || null;
  }

  /**
   * Get all workspaces for an agent
   */
  getAgentWorkspaces(agentId: string): AgentWorkspace[] {
    return Array.from(this.workspaces.values()).filter(
      (ws) => ws.agentId === agentId,
    );
  }

  /**
   * List all active workspaces
   */
  listWorkspaces(): AgentWorkspace[] {
    return Array.from(this.workspaces.values());
  }

  /**
   * Update resource limits for a workspace
   */
  async updateResourceLimits(
    workspaceId: string,
    newLimits: Partial<ResourceLimits>,
  ): Promise<void> {
    const workspace = this.workspaces.get(workspaceId);
    if (!workspace) {
      throw new Error(`Workspace not found: ${workspaceId}`);
    }

    const oldLimits = { ...workspace.resourceLimits };
    workspace.resourceLimits = { ...workspace.resourceLimits, ...newLimits };

    // Apply new limits to running processes
    await this.applyResourceLimits(workspace);

    this.logger.info("Resource limits updated", {
      workspaceId,
      oldLimits,
      newLimits: workspace.resourceLimits,
    });

    this.emit("resource_allocated", {
      id: `evt_${Date.now()}`,
      type: "resource_allocated",
      source: "virtualization_system",
      target: workspace.agentId,
      timestamp: new Date(),
      data: { workspaceId, oldLimits, newLimits },
      severity: "info",
    } as AgentSpaceEvent);
  }

  /**
   * Monitor workspace resource usage
   */
  async getResourceUsage(workspaceId: string): Promise<WorkspaceResources> {
    const workspace = this.workspaces.get(workspaceId);
    if (!workspace) {
      throw new Error(`Workspace not found: ${workspaceId}`);
    }

    // Update real-time metrics
    await this.updateResourceMetrics(workspace);

    return workspace.resources;
  }

  /**
   * Scale workspace resources dynamically
   */
  async scaleResources(
    workspaceId: string,
    scalingFactor: number,
  ): Promise<void> {
    const workspace = this.workspaces.get(workspaceId);
    if (!workspace) {
      throw new Error(`Workspace not found: ${workspaceId}`);
    }

    const newLimits: Partial<ResourceLimits> = {
      maxMemoryMB: Math.floor(
        workspace.resourceLimits.maxMemoryMB * scalingFactor,
      ),
      maxCPUPercentage: Math.min(
        100,
        workspace.resourceLimits.maxCPUPercentage * scalingFactor,
      ),
      maxNetworkBandwidthMbps:
        workspace.resourceLimits.maxNetworkBandwidthMbps * scalingFactor,
      maxStorageMB: Math.floor(
        workspace.resourceLimits.maxStorageMB * scalingFactor,
      ),
    };

    await this.updateResourceLimits(workspaceId, newLimits);

    this.logger.info("Resources scaled", {
      workspaceId,
      scalingFactor,
      newLimits,
    });
  }

  /**
   * Isolate workspace (security quarantine)
   */
  async isolateWorkspace(workspaceId: string, reason: string): Promise<void> {
    const workspace = this.workspaces.get(workspaceId);
    if (!workspace) {
      throw new Error(`Workspace not found: ${workspaceId}`);
    }

    workspace.type = "secure";
    workspace.state.health = "unhealthy";

    // Apply strict network isolation
    workspace.configuration.networkPolicy = {
      inboundRules: [],
      outboundRules: [],
      defaultAction: "deny",
      rateLimiting: {
        requestsPerSecond: 0,
        burstSize: 0,
        windowSize: 1000,
      },
    };

    await this.applyNetworkPolicy(workspace);

    this.logger.warn("Workspace isolated", {
      workspaceId,
      agentId: workspace.agentId,
      reason,
    });

    this.emit("security_violation", {
      id: `evt_${Date.now()}`,
      type: "security_violation",
      source: "virtualization_system",
      target: workspace.agentId,
      timestamp: new Date(),
      data: { workspaceId, reason, action: "isolated" },
      severity: "critical",
    } as AgentSpaceEvent);
  }

  /**
   * Get system metrics
   */
  getSystemMetrics() {
    return {
      ...this.metrics,
      timestamp: new Date(),
      workspaceDistribution: this.getWorkspaceDistribution(),
      resourceEfficiency: this.calculateResourceEfficiency(),
    };
  }

  /**
   * Private helper methods
   */

  private initializeResources(): WorkspaceResources {
    return {
      memory: {
        allocated: 0,
        used: 0,
        reserved: 0,
        swapped: 0,
        compressionRatio: 1.0,
        cacheHitRate: 0.0,
      },
      cpu: {
        cores: 1,
        usage: 0,
        priority: "normal",
        scheduling: "preemptive",
      },
      network: {
        bandwidth: 0,
        latency: 0,
        packetLoss: 0,
        connections: 0,
        throughput: { inbound: 0, outbound: 0 },
      },
      storage: {
        allocated: 0,
        used: 0,
        iops: 0,
        type: "memory",
      },
      tools: [],
    };
  }

  private createDefaultConfiguration(
    override?: Partial<WorkspaceConfiguration>,
  ): WorkspaceConfiguration {
    return {
      isolationLevel: this.config.isolationLevel,
      networkPolicy: {
        inboundRules: [{ protocol: "mcp", ports: [8080], action: "allow" }],
        outboundRules: [{ protocol: "mcp", ports: [8080], action: "allow" }],
        defaultAction: "deny",
        rateLimiting: {
          requestsPerSecond: 100,
          burstSize: 200,
          windowSize: 1000,
        },
      },
      storagePolicy: {
        type: "local",
        encryption: this.config.securityEnabled,
        compression: true,
        deduplication: true,
        retention: {
          defaultTTL: 86400000, // 24 hours
          archiveThreshold: 7 * 24 * 60 * 60 * 1000, // 7 days
          deleteThreshold: 30 * 24 * 60 * 60 * 1000, // 30 days
          backupEnabled: true,
        },
      },
      securityPolicy: {
        authentication: this.config.securityEnabled ? "api_key" : "none",
        authorization: this.config.securityEnabled ? "rbac" : "none",
        encryption: this.config.securityEnabled ? "transport" : "none",
        auditLevel: "basic",
      },
      monitoringPolicy: {
        metricsEnabled: true,
        logsEnabled: true,
        tracingEnabled: false,
        alertingEnabled: true,
        retentionDays: 30,
      },
      ...override,
    };
  }

  private async startResourceMonitoring(workspaceId: string): Promise<void> {
    const monitor = setInterval(async () => {
      const workspace = this.workspaces.get(workspaceId);
      if (!workspace) {
        clearInterval(monitor);
        this.resourceMonitors.delete(workspaceId);
        return;
      }

      try {
        await this.updateResourceMetrics(workspace);
        await this.checkResourceThresholds(workspace);
      } catch (error) {
        this.logger.error("Resource monitoring error", {
          workspaceId,
          error: error.message,
        });
      }
    }, this.config.monitoringInterval);

    this.resourceMonitors.set(workspaceId, monitor);
  }

  private async updateResourceMetrics(
    workspace: AgentWorkspace,
  ): Promise<void> {
    // Simulate resource usage measurement
    // In production, this would integrate with actual system monitoring

    const memoryUsage = Math.random() * workspace.resourceLimits.maxMemoryMB;
    const cpuUsage = Math.random() * workspace.resourceLimits.maxCPUPercentage;
    const networkUsage =
      Math.random() * workspace.resourceLimits.maxNetworkBandwidthMbps;
    const storageUsage = Math.random() * workspace.resourceLimits.maxStorageMB;

    workspace.resources.memory.used = memoryUsage;
    workspace.resources.cpu.usage = cpuUsage;
    workspace.resources.network.throughput.inbound = networkUsage * 0.6;
    workspace.resources.network.throughput.outbound = networkUsage * 0.4;
    workspace.resources.storage.used = storageUsage;

    // Update utilization percentages
    workspace.state.resourceUtilization = {
      memory: memoryUsage / workspace.resourceLimits.maxMemoryMB,
      cpu: cpuUsage / workspace.resourceLimits.maxCPUPercentage,
      network: networkUsage / workspace.resourceLimits.maxNetworkBandwidthMbps,
      storage: storageUsage / workspace.resourceLimits.maxStorageMB,
      efficiency: this.calculateWorkspaceEfficiency(workspace),
    };

    workspace.lastAccessedAt = new Date();
  }

  private async checkResourceThresholds(
    workspace: AgentWorkspace,
  ): Promise<void> {
    const utilization = workspace.state.resourceUtilization;
    const threshold = 0.85; // 85% threshold

    let violations: string[] = [];

    if (utilization.memory > threshold) violations.push("memory");
    if (utilization.cpu > threshold) violations.push("cpu");
    if (utilization.network > threshold) violations.push("network");
    if (utilization.storage > threshold) violations.push("storage");

    if (violations.length > 0) {
      this.logger.warn("Resource threshold exceeded", {
        workspaceId: workspace.id,
        violations,
        utilization,
      });

      this.emit("performance_threshold_exceeded", {
        id: `evt_${Date.now()}`,
        type: "performance_threshold_exceeded",
        source: "virtualization_system",
        target: workspace.agentId,
        timestamp: new Date(),
        data: { workspaceId: workspace.id, violations, utilization },
        severity: "warning",
      } as AgentSpaceEvent);

      // Auto-scale if enabled
      if (violations.includes("memory") || violations.includes("cpu")) {
        await this.scaleResources(workspace.id, 1.2); // 20% increase
      }
    }
  }

  private calculateWorkspaceEfficiency(workspace: AgentWorkspace): number {
    const util = workspace.state.resourceUtilization;
    const weights = { memory: 0.3, cpu: 0.4, network: 0.2, storage: 0.1 };

    return (
      util.memory * weights.memory +
      util.cpu * weights.cpu +
      util.network * weights.network +
      util.storage * weights.storage
    );
  }

  private async initializeWorkspaceEnvironment(
    workspace: AgentWorkspace,
  ): Promise<void> {
    // Initialize container/VM environment
    // Apply security policies
    // Set up monitoring
    // Configure network isolation

    this.logger.debug("Initializing workspace environment", {
      workspaceId: workspace.id,
      isolationLevel: workspace.configuration.isolationLevel,
    });
  }

  private async cleanupWorkspaceEnvironment(
    workspace: AgentWorkspace,
  ): Promise<void> {
    // Clean up processes
    // Release resources
    // Remove temporary files
    // Close network connections

    this.logger.debug("Cleaning up workspace environment", {
      workspaceId: workspace.id,
    });
  }

  private async applyResourceLimits(workspace: AgentWorkspace): Promise<void> {
    // Apply memory limits
    // Set CPU quotas
    // Configure network bandwidth limits
    // Set storage quotas

    this.logger.debug("Applying resource limits", {
      workspaceId: workspace.id,
      limits: workspace.resourceLimits,
    });
  }

  private async applyNetworkPolicy(workspace: AgentWorkspace): Promise<void> {
    // Configure firewall rules
    // Set up traffic shaping
    // Apply rate limiting

    this.logger.debug("Applying network policy", {
      workspaceId: workspace.id,
      policy: workspace.configuration.networkPolicy,
    });
  }

  private performCleanup(): void {
    // Clean up terminated workspaces
    // Release unused resources
    // Update metrics

    const now = Date.now();
    const staleThreshold = 24 * 60 * 60 * 1000; // 24 hours

    for (const [id, workspace] of this.workspaces) {
      if (
        workspace.state.status === "error" &&
        now - workspace.lastAccessedAt.getTime() > staleThreshold
      ) {
        this.destroyWorkspace(id).catch((error) => {
          this.logger.error("Cleanup failed", {
            workspaceId: id,
            error: error.message,
          });
        });
      }
    }
  }

  private getWorkspaceDistribution() {
    const distribution = {
      isolated: 0,
      shared: 0,
      collaborative: 0,
      secure: 0,
    };

    for (const workspace of this.workspaces.values()) {
      distribution[workspace.type]++;
    }

    return distribution;
  }

  private calculateResourceEfficiency(): number {
    if (this.workspaces.size === 0) return 1.0;

    let totalEfficiency = 0;
    for (const workspace of this.workspaces.values()) {
      totalEfficiency += workspace.state.resourceUtilization.efficiency;
    }

    return totalEfficiency / this.workspaces.size;
  }

  /**
   * Cleanup on shutdown
   */
  async shutdown(): Promise<void> {
    if (this.cleanupTimer) {
      clearInterval(this.cleanupTimer);
    }

    // Stop all resource monitors
    for (const monitor of this.resourceMonitors.values()) {
      clearInterval(monitor);
    }
    this.resourceMonitors.clear();

    // Destroy all workspaces
    const workspaceIds = Array.from(this.workspaces.keys());
    await Promise.all(
      workspaceIds.map((id) =>
        this.destroyWorkspace(id).catch((error) =>
          this.logger.error("Failed to destroy workspace during shutdown", {
            id,
            error: error.message,
          }),
        ),
      ),
    );

    this.logger.info("Agent Environment Virtualization shutdown complete");
  }
}