Fix qlkube schema generation

Remove underscores from schema

qlkube/src/index.js

@@ -24,17 +24,17 @@ main().catch(e =>
   logger.error({ error: e.stack }, 'failed to start qlkube server')
 );
 
-async function main() {
+async function main () {
   const inCluster = process.env.IN_CLUSTER !== 'false';
   logger.info({ inCluster }, 'cluster mode configured');
   const kubeApiUrl = inCluster
     ? 'https://kubernetes.default.svc'
     : 'http://localhost:8001';
   const inClusterToken = inCluster
     ? await fs.readFile(
-        '/var/run/secrets/kubernetes.io/serviceaccount/token',
-        'utf8'
-      )
+      '/var/run/secrets/kubernetes.io/serviceaccount/token',
+      'utf8'
+    )
     : '';
   const oas = await getOpenApiSpec(kubeApiUrl, inClusterToken);
   const targetOas = decorateOpenapi(oas);
@@ -57,7 +57,7 @@ async function main() {
         let msg = JSON.parse(msgs[2]);
         try {
           msg = JSON.parse(msg);
-        } catch (_) {}
+        } catch (_) { }
         return {
           ...error,
           message: msg.message,
@@ -100,7 +100,12 @@ async function main() {
   app.use(compression());
   app.get('/schema', (req, res) => {
     res.setHeader('content-type', 'text/plain');
-    res.send(printSchema(schema));
+    res.send(
+      printSchema(schema)
+        .split('\n')
+        .filter(l => l.trim() != '_') // remove empty values from enums
+        .join('\n')
+    );
   });
   app.get('/healthz', (req, res) => {
     res.sendStatus(200);