feat: auto-discovery

2025-08-25 12:05:51 +02:00
parent f72e4ba220
commit 5977a37d6c
8 changed files with 552 additions and 3 deletions
--- a/test/test-random-selection.js
+++ b/test/test-random-selection.js
@@ -0,0 +1,137 @@
+#!/usr/bin/env node
+
+/**
+ * Test script for Random Primary Node Selection
+ * Demonstrates how the random selection works
+ */
+
+const http = require('http');
+
+const BASE_URL = 'http://localhost:3001';
+
+function makeRequest(path, method = 'POST', body = null) {
+  return new Promise((resolve, reject) => {
+    const options = {
+      hostname: 'localhost',
+      port: 3001,
+      path: path,
+      method: method,
+      headers: {
+        'Content-Type': 'application/json'
+      }
+    };
+
+    const req = http.request(options, (res) => {
+      let data = '';
+      
+      res.on('data', (chunk) => {
+        data += chunk;
+      });
+      
+      res.on('end', () => {
+        try {
+          const jsonData = JSON.parse(data);
+          resolve({ status: res.statusCode, data: jsonData });
+        } catch (error) {
+          resolve({ status: res.statusCode, data: data });
+        }
+      });
+    });
+
+    req.on('error', (error) => {
+      reject(error);
+    });
+
+    if (body) {
+      req.write(JSON.stringify(body));
+    }
+
+    req.end();
+  });
+}
+
+async function testRandomSelection() {
+  console.log('🎲 Testing Random Primary Node Selection');
+  console.log('======================================');
+  console.log('');
+  
+  try {
+    // First, check current discovery status
+    console.log('1. Checking current discovery status...');
+    const discoveryResponse = await makeRequest('/api/discovery/nodes', 'GET');
+    
+    if (discoveryResponse.status !== 200) {
+      console.log('❌ Failed to get discovery status');
+      return;
+    }
+    
+    const discovery = discoveryResponse.data;
+    console.log(`   Current Primary: ${discovery.primaryNode || 'None'}`);
+    console.log(`   Total Nodes: ${discovery.totalNodes}`);
+    console.log(`   Client Initialized: ${discovery.clientInitialized}`);
+    
+    if (discovery.nodes.length === 0) {
+      console.log('\n💡 No nodes discovered yet. Send some discovery messages first:');
+      console.log('   npm run test-discovery broadcast');
+      return;
+    }
+    
+    console.log('\n2. Testing random primary node selection...');
+    
+    // Store current primary for comparison
+    const currentPrimary = discovery.primaryNode;
+    const availableNodes = discovery.nodes.map(n => n.ip);
+    
+    console.log(`   Available nodes: ${availableNodes.join(', ')}`);
+    console.log(`   Current primary: ${currentPrimary}`);
+    
+    // Perform random selection
+    const randomResponse = await makeRequest('/api/discovery/random-primary', 'POST', {
+      timestamp: new Date().toISOString()
+    });
+    
+    if (randomResponse.status === 200) {
+      const result = randomResponse.data;
+      console.log('\n✅ Random selection successful!');
+      console.log(`   New Primary: ${result.primaryNode}`);
+      console.log(`   Previous Primary: ${currentPrimary}`);
+      console.log(`   Message: ${result.message}`);
+      console.log(`   Total Nodes: ${result.totalNodes}`);
+      console.log(`   Client Initialized: ${result.clientInitialized}`);
+      
+      // Verify the change
+      if (result.primaryNode !== currentPrimary) {
+        console.log('\n🎯 Primary node successfully changed!');
+      } else {
+        console.log('\n⚠️  Primary node remained the same (only one node available)');
+      }
+      
+    } else {
+      console.log('\n❌ Random selection failed:');
+      console.log(`   Status: ${randomResponse.status}`);
+      console.log(`   Error: ${randomResponse.data.error || 'Unknown error'}`);
+    }
+    
+    // Show updated status
+    console.log('\n3. Checking updated discovery status...');
+    const updatedResponse = await makeRequest('/api/discovery/nodes', 'GET');
+    if (updatedResponse.status === 200) {
+      const updated = updatedResponse.data;
+      console.log(`   Current Primary: ${updated.primaryNode}`);
+      console.log(`   Client Base URL: ${updated.clientBaseUrl}`);
+    }
+    
+    console.log('\n💡 To test in the frontend:');
+    console.log('   1. Open http://localhost:3001 in your browser');
+    console.log('   2. Look at the cluster header for primary node info');
+    console.log('   3. Click the 🎲 button to randomly select a new primary node');
+    console.log('   4. Watch the display change in real-time');
+    
+  } catch (error) {
+    console.error('\n❌ Test failed:', error.message);
+    console.log('\n💡 Make sure the backend is running: npm start');
+  }
+}
+
+// Run the test
+testRandomSelection().catch(console.error);