Better error message on cluster config mismatch (#837)

* Better error message on cluster config mismatch

* fix lint

Author: Assem-Uber

src/config/dynamic/resolvers/clusters.ts

@@ -26,6 +26,14 @@ export default function clusters() {
     process.env.CADENCE_GRPC_SERVICES_NAMES,
     ['cadence-frontend']
   );
+  if (
+    clusterNames.length !== peers.length &&
+    clusterNames.length !== serviceNames.length
+  ) {
+    throw new Error(
+      `Count mismatch in environment variables CADENCE_CLUSTERS_NAMES, CADENCE_GRPC_PEERS & CADENCE_GRPC_SERVICES_NAMES values. Recieved: ${clusterNames}(${clusterNames.length}), ${serviceNames}(${serviceNames.length}) & ${peers}(${peers.length}) respectively.`
+    );
+  }
 
   return clusterNames.map((clusterName, i) => {
     return {

src/utils/config/transform-configs.ts

@@ -24,7 +24,7 @@ export default async function transformConfigs<
           resolverSchema.returnType.safeParse(resolvedValue);
         if (error) {
           throw new Error(
-            `Failed to parse config '${key}' resolved value: ${error.errors[0].message}`
+            `Failed to parse config '${key}' resolved value: ${JSON.stringify(error.errors)}`
           );
         }
         return [key, validatedValue];