Write tenant metadata if feature flag is true

We want metadata to be able to find unused tenants, there is no way of
tracking this today without tracking all sessions for a tenant and we allow
sessions some lifetime, so this makes it impossible to find out in systems
where there are a lot of short-lived deployments (test systems).

1 files changed, 7 insertions, 0 deletions

diff --git a/flags/src/main/java/com/yahoo/vespa/flags/Flags.java b/flags/src/main/java/com/yahoo/vespa/flags/Flags.java
index db0750139f9..7695fbae627 100644
--- a/flags/src/main/java/com/yahoo/vespa/flags/Flags.java
+++ b/flags/src/main/java/com/yahoo/vespa/flags/Flags.java
@@ -366,6 +366,13 @@ public class Flags {
             APPLICATION_ID
     );
 
+    public static final UnboundBooleanFlag USE_TENANT_META_DATA = defineFeatureFlag(
+            "use-tenant-meta-data",
+            false,
+            "Whether config server should write and read tenant metadata",
+            "Takes effect immediately"
+    );
+
     /** WARNING: public for testing: All flags should be defined in {@link Flags}. */
     public static UnboundBooleanFlag defineFeatureFlag(String flagId, boolean defaultValue, String description,
                                                        String modificationEffect, FetchVector.Dimension... dimensions) {