@codai/cbd
Version:
Codai Better Database - High-Performance Vector Memory System with HPKV-inspired architecture and MCP server
100 lines • 3.09 kB
JavaScript
/**
* CBD Enterprise - Cluster Management
*
* TypeScript interface for the Rust-based CBD clustering system
* Provides high-availability and distributed coordination capabilities
*/
/**
* CBD Cluster Manager
*
* Manages distributed CBD cluster with Raft consensus
*/
export class CBDClusterManager {
config;
isInitialized = false;
constructor(config) {
this.config = config;
}
/**
* Initialize the cluster manager
*/
async initialize() {
if (this.isInitialized) {
throw new Error('Cluster manager already initialized');
}
// This will interface with the Rust cbd-cluster module
// Implementation will call into the Rust layer via FFI/NAPI
console.log(`Initializing CBD cluster node: ${this.config.nodeId}`);
console.log(`Cluster peers: ${this.config.clusterPeers.join(', ')}`);
this.isInitialized = true;
}
/**
* Join an existing cluster
*/
async joinCluster(leaderAddress) {
if (!this.isInitialized) {
throw new Error('Cluster manager not initialized');
}
console.log(`Joining cluster via leader: ${leaderAddress}`);
// Rust implementation will handle Raft join protocol
}
/**
* Get current cluster state
*/
async getClusterState() {
if (!this.isInitialized) {
throw new Error('Cluster manager not initialized');
}
// This will call into Rust cbd-cluster for actual state
return {
leader: this.config.nodeId, // Mock for now
nodes: [
{
id: this.config.nodeId,
address: this.config.bindAddress,
status: 'active',
role: 'leader',
lastSeen: new Date()
}
],
term: 1,
isHealthy: true
};
}
/**
* Leave the cluster gracefully
*/
async leaveCluster() {
if (!this.isInitialized) {
return;
}
console.log(`Node ${this.config.nodeId} leaving cluster`);
// Rust implementation will handle graceful leave
this.isInitialized = false;
}
/**
* Check if this node is the cluster leader
*/
async isLeader() {
const state = await this.getClusterState();
return state.leader === this.config.nodeId;
}
/**
* Get cluster health status
*/
async getHealth() {
const state = await this.getClusterState();
const activeNodes = state.nodes.filter(n => n.status === 'active').length;
const majority = Math.floor(state.nodes.length / 2) + 1;
return {
healthy: activeNodes >= majority && state.isHealthy,
details: [
`Active nodes: ${activeNodes}/${state.nodes.length}`,
`Leader: ${state.leader || 'none'}`,
`Term: ${state.term}`
]
};
}
}
export default CBDClusterManager;
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