change default value for jwt signing key for more meanful

Author: Ohasumi

server/auth/types/kerberos/routes.ts

@@ -49,13 +49,12 @@ export class KerberosAuthRoutes {
           user = await this.securityClient.authinfo(request);
         } catch (error) {
           context.security_plugin.logger.error(`Failed authentication: ${error}`);
-          return response.unauthorized(
-            {
-              body: `Kerberos authentication failed ${error}`,
-              headers: {
-                'www-authenticate': 'Negotiate',
-              },
-            });
+          return response.unauthorized({
+            body: `Kerberos authentication failed ${error}`,
+            headers: {
+              'www-authenticate': 'Negotiate',
+            },
+          });
         }
 
         // clear session

server/index.ts

@@ -146,7 +146,7 @@ export const configSchema = schema.object({
   }),
   kerberos: schema.object({
     jwt_siging_key: schema.string({
-      defaultValue: '00000000000000000000000000000000',
+      defaultValue: 'secret share between opensearch and dashboards',
       minLength: 32,
     }),
   }),