SSH MCP Server

/** * Debug Monitoring URL Failure Test * * Purpose: Deep dive into why ssh_get_monitoring_url MCP tool fails * in CI environments. The diagnostic test showed this is the exact failure point. * * Hypothesis: The MCP server may not be starting the web server component properly * in CI environments, leading to missing monitoring URL functionality. */ import { MCPServerManager } from './integration/terminal-history-framework/mcp-server-manager'; import { MCPClient } from './integration/terminal-history-framework/mcp-client'; import { execSync } from 'child_process'; describe('Monitoring URL Failure Debug', () => { test('Debug ssh_get_monitoring_url failure in detail', async () => { console.log('🔍 Starting detailed debugging of monitoring URL failure...\n'); const manager = new MCPServerManager(); try { // Step 1: Start MCP server console.log('Step 1: Starting MCP server...'); await manager.start(); console.log('✅ MCP server started successfully'); const rawProcess = manager.getRawProcess(); if (!rawProcess) { throw new Error('No server process available'); } const client = new MCPClient(rawProcess); // Step 2: Test basic MCP functionality console.log('\nStep 2: Testing basic MCP connectivity...'); const listResponse = await client.callTool('ssh_list_sessions', {}); console.log(`✅ ssh_list_sessions response: ${JSON.stringify(listResponse)}`); // Step 3: Create SSH connection console.log('\nStep 3: Creating SSH connection...'); const connectResponse = await client.callTool('ssh_connect', { name: 'debug-session', host: 'localhost', username: process.env.USER || 'jsbattig', keyFilePath: `${process.env.HOME}/.ssh/id_ed25519` }); console.log(`SSH connection response: ${JSON.stringify(connectResponse)}`); if (!connectResponse.success) { throw new Error(`SSH connection failed: ${connectResponse.error}`); } // Step 4: Check if web server is running console.log('\nStep 4: Checking for web server processes...'); try { const netstatOutput = execSync('netstat -tlnp 2>/dev/null | grep LISTEN | grep node || echo "No node processes listening"', { }); console.log(`Listening node processes:\n${netstatOutput}`); } catch (error) { console.log(`Could not check netstat: ${error}`); } // Step 5: Check for .ssh-mcp-server.port file console.log('\nStep 5: Checking for port file...'); try { const portFileContent = execSync('cat .ssh-mcp-server.port 2>/dev/null || echo "Port file not found"', { }); console.log(`Port file content: ${portFileContent.toString().trim()}`); } catch (error) { console.log(`Could not read port file: ${error}`); } // Step 6: Wait a moment for web server to initialize console.log('\nStep 6: Waiting for web server initialization...'); await new Promise(resolve => setTimeout(resolve, 3000)); // Step 7: Attempt to get monitoring URL with detailed error capture console.log('\nStep 7: Attempting to get monitoring URL...'); try { const urlResponse = await client.callTool('ssh_get_monitoring_url', { sessionName: 'debug-session' }); console.log(`Raw monitoring URL response: ${JSON.stringify(urlResponse, null, 2)}`); if (urlResponse.success) { const monitoringUrl = (urlResponse as any).monitoringUrl; if (monitoringUrl) { console.log(`✅ SUCCESS: Monitoring URL obtained: ${monitoringUrl}`); } else { console.log(`❌ ISSUE: Response successful but no monitoring URL in response`); console.log(`Response structure: ${JSON.stringify(urlResponse, null, 2)}`); } } else { console.log(`❌ FAILURE: Tool call failed`); console.log(`Error: ${urlResponse.error || 'Unknown error'}`); console.log(`Full response: ${JSON.stringify(urlResponse, null, 2)}`); } } catch (urlError) { console.log(`❌ EXCEPTION: Monitoring URL call threw exception`); console.log(`Exception: ${urlError instanceof Error ? urlError.message : String(urlError)}`); } // Step 8: Check server logs/output console.log('\nStep 8: Checking for server stderr output...'); if (rawProcess.stderr) { let stderrOutput = ''; rawProcess.stderr.on('data', (data) => { stderrOutput += data.toString(); }); // Give a moment for any stderr to accumulate await new Promise(resolve => setTimeout(resolve, 1000)); if (stderrOutput.trim()) { console.log(`Server stderr output:\n${stderrOutput}`); } else { console.log('No stderr output from server'); } } // Step 9: Check if we can manually list all available tools console.log('\nStep 9: Listing all available MCP tools...'); try { // Try to call tools/list if it exists const toolsListResponse = await client.callTool('tools/list', {}); console.log(`Available tools: ${JSON.stringify(toolsListResponse, null, 2)}`); } catch (toolsError) { console.log(`Could not list tools: ${toolsError instanceof Error ? toolsError.message : String(toolsError)}`); } await client.disconnect(); } catch (error) { console.log(`\n❌ CRITICAL ERROR: ${error instanceof Error ? error.message : String(error)}`); console.log(`Error stack: ${error instanceof Error ? error.stack : 'No stack trace'}`); } finally { await manager.stop(); } console.log('\n🔍 Debug analysis complete. Check output for specific failure point.'); }, 30000); // 30 second timeout });