Patch vscode-trace-extension localhost URL handling

Dockerfile

@@ -12,6 +12,12 @@ RUN yarn --pure-lockfile && \
     yarn build:extensions && \
     yarn download:plugins && \
     yarn docker build
+# Diagnostic logging: instrument the vscode-trace-extension's minified JS to log
+# URL resolution, health checks, and asExternalUri behavior in the browser console.
+# Filter for [TRACE-DEBUG] in dev tools to see the output.
+# Uses a node script to avoid shell escaping issues with $, ||, && in minified JS.
+RUN node /home/theia/cdt-cloud-blueprint/scripts/patch-trace-extension-logging.js \
+    /home/theia/cdt-cloud-blueprint/plugins/vscode-trace-extension/extension/lib/extension.js
 RUN yarn tracecompass-server:download
 
 FROM mcr.microsoft.com/devcontainers/typescript-node:1-22-bullseye AS production-stage

scripts/patch-trace-extension-logging.js

@@ -0,0 +1,78 @@
+/**
+ * Patches the vscode-trace-extension's bundled extension.js with diagnostic logging.
+ *
+ * This script instruments the minified JS at key points so we can see in the browser
+ * console exactly what URLs the extension resolves, when health checks happen, and
+ * what they return. Filter for [TRACE-DEBUG] in browser dev tools.
+ *
+ * Usage: node patch-trace-extension-logging.js <path-to-extension.js>
+ */
+'use strict';
+
+const fs = require('fs');
+
+const filePath = process.argv[2];
+if (!filePath) {
+    console.error('Usage: node patch-trace-extension-logging.js <path-to-extension.js>');
+    process.exit(1);
+}
+
+let content = fs.readFileSync(filePath, 'utf8');
+let patchCount = 0;
+
+function applyPatch(name, search, replacement) {
+    const idx = content.indexOf(search);
+    if (idx === -1) {
+        console.error('ERROR: Pattern not found for patch "' + name + '"');
+        console.error('  Searched for: ' + JSON.stringify(search).slice(0, 120) + '...');
+        process.exit(1);
+    }
+    // Verify unique match
+    const secondIdx = content.indexOf(search, idx + 1);
+    if (secondIdx !== -1) {
+        console.error('ERROR: Multiple matches found for patch "' + name + '" (expected exactly 1)');
+        process.exit(1);
+    }
+    content = content.replace(search, replacement);
+    patchCount++;
+    console.log('  Patched: ' + name);
+}
+
+console.log('Patching ' + filePath + ' with diagnostic logging...');
+
+// Patch 1: Log URL resolution in getExternalUriFromUserSettings
+// Keep asExternalUri in place to observe what it transforms.
+// Original: return e.env.asExternalUri(i)}
+// Patched: wraps in console.log + .then() to log input and output
+applyPatch(
+    'getExternalUriFromUserSettings',
+    'return e.env.asExternalUri(i)}',
+    'return (console.log("[TRACE-DEBUG] getExternalUri clientType="+a+" prefUrl="+p+" parsed="+i.toString()),' +
+    'e.env.asExternalUri(i).then(function(r){return console.log("[TRACE-DEBUG] asExternalUri result="+r.toString()),r}))}'
+);
+
+// Patch 2: Log final TSP client URLs in updateTspClientUrl
+applyPatch(
+    'updateTspClientUrl',
+    'b?b.updateTspClientUrl(y):b=new v.g(y,void 0)',
+    'console.log("[TRACE-DEBUG] updateTspClientUrl: BE_root="+w+" BE_url="+y+" FE_root="+g+" FE_url="+_),' +
+    'b?b.updateTspClientUrl(y):b=new v.g(y,void 0)'
+);
+
+// Patch 3: Log health check results in isTraceServerUp
+applyPatch(
+    'isTraceServerUp',
+    'async function $(){var a;const t=await T().checkHealth(),p=null===(a=t.getModel())||void 0===a?void 0:a.status,d=t.isOk()&&"UP"===p;return',
+    'async function $(){var a;const t=await T().checkHealth(),p=null===(a=t.getModel())||void 0===a?void 0:a.status,d=t.isOk()&&"UP"===p;' +
+    'console.log("[TRACE-DEBUG] isTraceServerUp: isOk="+t.isOk()+" status="+p+" serverUp="+d);return'
+);
+
+// Patch 4: Log the health check URL in checkHealth (in bundled tsp-typescript-client)
+applyPatch(
+    'checkHealth URL',
+    'this.baseUrl+"/health";return',
+    'this.baseUrl+"/health";console.log("[TRACE-DEBUG] checkHealth URL="+e);return'
+);
+
+fs.writeFileSync(filePath, content);
+console.log('Successfully applied ' + patchCount + ' diagnostic patches.');