@codai/cbd
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Codai Better Database - High-Performance Vector Memory System with HPKV-inspired architecture and MCP server
331 lines • 12.8 kB
JavaScript
import { EventEmitter } from 'events';
import { z } from 'zod';
// Cloud Provider Configuration Schema
const CloudConfigSchema = z.object({
provider: z.enum(['aws', 'azure', 'gcp']),
region: z.string(),
credentials: z.object({
accessKey: z.string().optional(),
secretKey: z.string().optional(),
tenantId: z.string().optional(),
clientId: z.string().optional(),
clientSecret: z.string().optional(),
projectId: z.string().optional(),
keyFile: z.string().optional()
}),
services: z.object({
database: z.string().optional(),
storage: z.string().optional(),
compute: z.string().optional(),
ai: z.string().optional()
}),
priority: z.number().min(1).max(10),
healthCheck: z.object({
endpoint: z.string().url(),
timeout: z.number().default(5000),
retries: z.number().default(3)
})
});
// Multi-Cloud Intelligence Engine
export class MultiCloudIntelligenceEngine extends EventEmitter {
cloudConfigs = new Map();
cloudMetrics = new Map();
activeConnections = new Map();
selectionCache = new Map();
constructor() {
super();
this.initializeCloudProviders();
this.startMetricsCollection();
}
// Initialize cloud provider configurations
async initializeCloudProviders() {
// AWS Configuration
const awsConfig = {
provider: 'aws',
region: process.env.AWS_REGION || 'us-east-1',
credentials: {
accessKey: process.env.AWS_ACCESS_KEY_ID,
secretKey: process.env.AWS_SECRET_ACCESS_KEY
},
services: {
database: 'dynamodb',
storage: 's3',
compute: 'ec2',
ai: 'bedrock'
},
priority: 8,
healthCheck: {
endpoint: 'https://dynamodb.us-east-1.amazonaws.com/',
timeout: 5000,
retries: 3
}
};
// Azure Configuration
const azureConfig = {
provider: 'azure',
region: process.env.AZURE_REGION || 'eastus',
credentials: {
tenantId: process.env.AZURE_TENANT_ID,
clientId: process.env.AZURE_CLIENT_ID,
clientSecret: process.env.AZURE_CLIENT_SECRET
},
services: {
database: 'cosmosdb',
storage: 'blobstorage',
compute: 'vm',
ai: 'openai'
},
priority: 9,
healthCheck: {
endpoint: 'https://management.azure.com/',
timeout: 5000,
retries: 3
}
};
// GCP Configuration
const gcpConfig = {
provider: 'gcp',
region: process.env.GCP_REGION || 'us-central1',
credentials: {
projectId: process.env.GCP_PROJECT_ID,
keyFile: process.env.GCP_KEY_FILE
},
services: {
database: 'spanner',
storage: 'cloudstorage',
compute: 'compute',
ai: 'vertexai'
},
priority: 7,
healthCheck: {
endpoint: 'https://www.googleapis.com/',
timeout: 5000,
retries: 3
}
};
this.cloudConfigs.set('aws', awsConfig);
this.cloudConfigs.set('azure', azureConfig);
this.cloudConfigs.set('gcp', gcpConfig);
// Initialize connection tracking for each cloud provider
this.activeConnections.set('aws', { connected: false, lastCheck: Date.now() });
this.activeConnections.set('azure', { connected: false, lastCheck: Date.now() });
this.activeConnections.set('gcp', { connected: false, lastCheck: Date.now() });
await this.validateCloudConfigurations();
}
// Intelligent Cloud Selection Algorithm
async selectOptimalCloud(operation, requirements = {}) {
const cacheKey = JSON.stringify({ operation, requirements });
// Check cache first (valid for 5 minutes)
if (this.selectionCache.has(cacheKey)) {
const cached = this.selectionCache.get(cacheKey);
return cached;
}
let bestCloud = 'azure'; // Default to Azure (highest priority)
let bestScore = 0;
for (const [cloudName, config] of this.cloudConfigs) {
const metrics = this.cloudMetrics.get(cloudName);
if (!metrics)
continue;
// Calculate composite score
let score = 0;
// Priority weight (40%)
score += (config.priority / 10) * 0.4;
// Performance weight (25%)
score += (metrics.performance / 100) * 0.25;
// Availability weight (20%)
score += (metrics.availability / 100) * 0.2;
// Latency weight (10% - inverse)
score += (1 - (metrics.latency / 1000)) * 0.1;
// Cost efficiency weight (5% - inverse)
score += (1 - (metrics.cost / 100)) * 0.05;
// Apply requirement-specific bonuses
if (requirements.latency && metrics.latency <= requirements.latency) {
score += 0.1;
}
if (requirements.performance && metrics.performance >= requirements.performance) {
score += 0.1;
}
// Regional preference bonus
if (requirements.dataLocation) {
if (config.region.includes(requirements.dataLocation.toLowerCase())) {
score += 0.15;
}
}
if (score > bestScore) {
bestScore = score;
bestCloud = cloudName;
}
}
// Cache the result
this.selectionCache.set(cacheKey, bestCloud);
setTimeout(() => this.selectionCache.delete(cacheKey), 5 * 60 * 1000);
this.emit('cloudSelected', { cloud: bestCloud, operation, score: bestScore, requirements });
return bestCloud;
}
// Dynamic Load Balancing
async distributeLoad(operations) {
const distribution = new Map();
for (const op of operations) {
const selectedCloud = await this.selectOptimalCloud(op.operation, op.requirements);
if (!distribution.has(selectedCloud)) {
distribution.set(selectedCloud, []);
}
distribution.get(selectedCloud).push(op);
}
this.emit('loadDistributed', { distribution: Array.from(distribution.entries()) });
return distribution;
}
// Real-time Metrics Collection
startMetricsCollection() {
setInterval(async () => {
for (const [cloudName] of this.cloudConfigs) {
try {
const metrics = await this.collectCloudMetrics(cloudName);
this.cloudMetrics.set(cloudName, metrics);
this.emit('metricsUpdated', { cloud: cloudName, metrics });
}
catch (error) {
this.emit('metricsError', { cloud: cloudName, error });
}
}
}, 30000); // Update every 30 seconds
}
// Collect metrics from each cloud provider
async collectCloudMetrics(cloudName) {
const config = this.cloudConfigs.get(cloudName);
if (!config)
throw new Error(`Cloud config not found: ${cloudName}`);
const startTime = Date.now();
try {
// Create an AbortController for timeout handling
const controller = new AbortController();
const timeoutId = setTimeout(() => controller.abort(), config.healthCheck.timeout);
// Update connection tracking
const connectionInfo = this.activeConnections.get(cloudName);
if (connectionInfo) {
connectionInfo.lastCheck = Date.now();
this.activeConnections.set(cloudName, connectionInfo);
}
// Simulate health check (replace with actual cloud SDK calls)
const response = await fetch(config.healthCheck.endpoint, {
method: 'HEAD',
signal: controller.signal
});
clearTimeout(timeoutId);
const latency = Date.now() - startTime;
const availability = response.ok ? 100 : 0;
// Update connection status
if (connectionInfo) {
connectionInfo.connected = response.ok;
this.activeConnections.set(cloudName, connectionInfo);
}
// Simulate performance and cost metrics (replace with actual metrics)
const performance = Math.random() * 20 + 80; // 80-100%
const cost = Math.random() * 30 + 10; // 10-40 cost units
const reliability = availability > 0 ? Math.random() * 10 + 90 : 0; // 90-100%
return {
latency,
availability,
cost,
performance,
reliability,
lastUpdated: new Date()
};
}
catch (error) {
return {
latency: 9999,
availability: 0,
cost: 100,
performance: 0,
reliability: 0,
lastUpdated: new Date()
};
}
}
// Validate cloud configurations
async validateCloudConfigurations() {
for (const [cloudName, config] of this.cloudConfigs) {
try {
CloudConfigSchema.parse(config);
console.log(`✅ ${cloudName.toUpperCase()} configuration validated`);
}
catch (error) {
console.error(`❌ ${cloudName.toUpperCase()} configuration invalid:`, error);
this.emit('configError', { cloud: cloudName, error });
}
}
}
// Get current cloud status
getCloudStatus() {
const status = [];
for (const [cloudName, config] of this.cloudConfigs) {
const metrics = this.cloudMetrics.get(cloudName);
let cloudStatus = 'offline';
if (metrics) {
if (metrics.availability >= 99) {
cloudStatus = 'active';
}
else if (metrics.availability >= 90) {
cloudStatus = 'degraded';
}
}
const statusEntry = {
cloud: cloudName,
config,
status: cloudStatus
};
// Only add metrics if they exist
if (metrics) {
statusEntry.metrics = metrics;
}
status.push(statusEntry);
}
return status;
}
// Get selection recommendations
getRecommendations(operation) {
const recommendations = [];
// Operation-specific scoring adjustments
const operationWeights = {
database: { latency: 2, availability: 3, cost: 1 },
storage: { latency: 1, availability: 2, cost: 3 },
compute: { latency: 3, availability: 2, cost: 2 },
ai: { latency: 3, availability: 1, cost: 2 }
};
const weights = operationWeights[operation] ||
{ latency: 2, availability: 2, cost: 2 };
for (const [cloudName, config] of this.cloudConfigs) {
const metrics = this.cloudMetrics.get(cloudName);
if (!metrics)
continue;
const reasoning = [`Operation type: ${operation}`];
let score = config.priority * 10; // Base score from priority
if (metrics.availability >= 99) {
reasoning.push('High availability (99%+)');
score += 20 * weights.availability;
}
if (metrics.latency < 100) {
reasoning.push('Low latency (<100ms)');
score += 15 * weights.latency;
}
if (metrics.performance >= 90) {
reasoning.push('High performance (90%+)');
score += 10;
}
if (metrics.cost < 30) {
reasoning.push('Cost effective (<30 units)');
score += 5;
}
recommendations.push({
cloud: cloudName,
score,
reasoning
});
}
return recommendations.sort((a, b) => b.score - a.score);
}
}
// Export singleton instance
export const multiCloudEngine = new MultiCloudIntelligenceEngine();
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