kubernetes.ts•7.38 kB
/**
* Kubernetes Service for ARC MCP Server
*
* Handles all Kubernetes operations including cluster connection,
* resource management, and ARC-specific operations.
*/
import type { Logger } from 'winston';
import type { IKubernetesService } from '../types/kubernetes.js';
export class KubernetesService implements IKubernetesService {
private logger: Logger;
constructor(logger: Logger) {
this.logger = logger;
}
/**
* Get cluster information
*/
async getClusterInfo(): Promise<any> {
this.logger.info('Getting Kubernetes cluster information');
// Placeholder implementation - will be enhanced with actual k8s client
return {
version: '1.27.2',
nodeCount: 1,
platform: 'docker-desktop',
status: 'Ready'
};
}
/**
* List namespaces
*/
async listNamespaces(): Promise<any[]> {
this.logger.info('Listing Kubernetes namespaces');
// Placeholder implementation
return [
{ name: 'default', status: 'Active' },
{ name: 'kube-system', status: 'Active' },
{ name: 'arc-systems', status: 'Active' }
];
}
/**
* Get pods in namespace
*/
async getPodsInNamespace(namespace: string): Promise<any[]> {
this.logger.info(`Getting pods in namespace: ${namespace}`);
// Placeholder implementation
return [
{
name: 'arc-controller-manager',
namespace,
status: 'Running',
ready: '1/1'
}
];
}
/**
* Apply Kubernetes manifest
*/
async applyManifest(manifest: any): Promise<any> {
this.logger.info('Applying Kubernetes manifest', { kind: manifest.kind });
// Placeholder implementation
return {
applied: true,
resource: manifest
};
}
/**
* Delete a Kubernetes resource
*/
async deleteResource(namespace: string, name: string, resourceType: string): Promise<void> {
this.logger.info(`Deleting ${resourceType} ${name} in namespace ${namespace}`);
// Placeholder implementation
this.logger.warn('deleteResource: Stub implementation');
}
/**
* Get namespace
* @tier1 - Basic implementation
*/
async getNamespace(name: string): Promise<any> {
this.logger.info(`Getting namespace: ${name}`);
// Stub that returns basic namespace info
return {
metadata: { name },
status: { phase: 'Active' }
};
}
/**
* Create namespace
* @tier1 - Basic implementation
*/
async createNamespace(name: string, labels?: Record<string, string>): Promise<void> {
this.logger.info(`Creating namespace: ${name}`, { labels });
// Stub implementation - logs only
this.logger.warn(`createNamespace: Stub implementation for ${name}`);
}
/**
* Wait for deployment readiness
* @tier1 - Simple delay
* @tier2 - Add polling
*/
async waitForDeployment(name: string, namespace: string, timeoutSeconds: number): Promise<void> {
this.logger.info(`Waiting for deployment ${name} in ${namespace} (timeout: ${timeoutSeconds}s)`);
// Tier 1: Simple delay
this.logger.warn(`waitForDeployment: Using simple delay. Implement polling for production.`);
await new Promise(resolve => setTimeout(resolve, Math.min(timeoutSeconds * 1000, 30000)));
}
/**
* Create Kubernetes secret
* @tier1 - Basic implementation
*/
async createSecret(
namespace: string,
name: string,
data: Record<string, string>,
labels?: Record<string, string>
): Promise<void> {
this.logger.info(`Creating secret ${name} in namespace ${namespace}`);
this.logger.warn(`createSecret: Stub implementation`);
}
/**
* Apply Kubernetes resource
* @tier1 - Stub that returns success
*/
async applyResource(resource: any): Promise<void> {
const kind = resource.kind || 'Unknown';
const name = resource.metadata?.name || 'unknown';
this.logger.info(`Applying resource: ${kind}/${name}`);
this.logger.warn(`applyResource: Stub implementation. Resource: ${kind}/${name}`);
}
/**
* List deployments
* @tier1 - Basic implementation
*/
async listDeployments(namespace: string): Promise<any[]> {
this.logger.info(`Listing deployments in namespace: ${namespace}`);
// Return empty array for now
return [];
}
/**
* Get pod logs
* @tier1 - Basic implementation
*/
async getPodLogs(
namespace: string,
labelSelector: string,
options?: { lines?: number; container?: string }
): Promise<string> {
this.logger.info(`Getting pod logs in ${namespace} with selector: ${labelSelector}`);
this.logger.warn(`getPodLogs: Stub implementation`);
return `No logs available (stub implementation)\nSelector: ${labelSelector}\nNamespace: ${namespace}`;
}
/**
* List network policies
* @tier1 - Stub that returns empty array
*/
async listNetworkPolicies(namespace: string): Promise<any[]> {
this.logger.info(`Listing network policies in namespace: ${namespace}`);
this.logger.warn(`listNetworkPolicies: Stub implementation`);
return [];
}
/**
* Get API versions
* @tier1 - Return common versions
*/
async getApiVersions(): Promise<string[]> {
this.logger.info(`Getting API versions`);
this.logger.warn(`getApiVersions: Returning common versions. Implement cluster query for production.`);
return ['v1', 'apps/v1', 'batch/v1', 'networking.k8s.io/v1', 'policy/v1'];
}
/**
* Get custom resources
* @tier1 - Stub
*/
async getCustomResources(apiVersion: string, kind: string, namespace: string): Promise<any[]> {
this.logger.info(`Getting custom resources: ${apiVersion}/${kind} in ${namespace}`);
this.logger.warn(`getCustomResources: Stub. Implement when ${kind} is needed.`);
return [];
}
/**
* Delete custom resources
* @tier1 - Stub with warning
*/
async deleteCustomResources(apiVersion: string, kind: string, namespace: string): Promise<void> {
this.logger.info(`Deleting custom resources: ${apiVersion}/${kind} in ${namespace}`);
this.logger.warn(`deleteCustomResources: Stub implementation for safety.`);
}
/**
* Delete Helm release
* @tier1 - Stub with warning
*/
async deleteHelmRelease(name: string, namespace: string): Promise<void> {
this.logger.info(`Deleting Helm release ${name} in namespace ${namespace}`);
this.logger.warn(`deleteHelmRelease: Stub implementation. Implement with Helm client when needed.`);
}
/**
* Delete namespace
* @tier1 - Stub with warning for safety
*/
async deleteNamespace(name: string): Promise<void> {
this.logger.warn(`deleteNamespace: Stub. Not implemented for safety. Explicit implementation required for ${name}.`);
throw new Error(`deleteNamespace: Not implemented for safety. Add explicit implementation when needed.`);
}
}