From 9339823e84a796a4f39cc03788aa3b2b6a1828d0 Mon Sep 17 00:00:00 2001
From: Jon Chambers <jon@signal.org>
Date: Fri, 25 Sep 2020 11:33:40 -0400
Subject: [PATCH] Add temporary metrics to monitor the ratio of
 enabled/disabled accounts.

---
 .../textsecuregcm/storage/Account.java         | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/service/src/main/java/org/whispersystems/textsecuregcm/storage/Account.java b/service/src/main/java/org/whispersystems/textsecuregcm/storage/Account.java
index eb89b4d69..c649ec47f 100644
--- a/service/src/main/java/org/whispersystems/textsecuregcm/storage/Account.java
+++ b/service/src/main/java/org/whispersystems/textsecuregcm/storage/Account.java
@@ -20,6 +20,8 @@ package org.whispersystems.textsecuregcm.storage;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.google.common.annotations.VisibleForTesting;
+import io.micrometer.core.instrument.Counter;
+import io.micrometer.core.instrument.Metrics;
 import org.whispersystems.textsecuregcm.auth.AmbiguousIdentifier;
 import org.whispersystems.textsecuregcm.auth.StoredRegistrationLock;
 
@@ -32,8 +34,14 @@ import java.util.Set;
 import java.util.UUID;
 import java.util.concurrent.TimeUnit;
 
+import static com.codahale.metrics.MetricRegistry.name;
+
 public class Account implements Principal  {
 
+  // TODO Remove these temporary metrics
+  private static final Counter ENABLED_ACCOUNT_COUNTER  = Metrics.counter(name(Account.class, "isEnabled"), "enabled", "true");
+  private static final Counter DISABLED_ACCOUNT_COUNTER = Metrics.counter(name(Account.class, "isEnabled"), "enabled", "false");
+
   @JsonIgnore
   private UUID uuid;
 
@@ -152,10 +160,18 @@ public class Account implements Principal  {
   }
 
   public boolean isEnabled() {
-    return
+    final boolean enabled =
         getMasterDevice().isPresent()       &&
         getMasterDevice().get().isEnabled() &&
         getLastSeen() > (System.currentTimeMillis() - TimeUnit.DAYS.toMillis(365));
+
+    if (enabled) {
+      ENABLED_ACCOUNT_COUNTER.increment();
+    } else {
+      DISABLED_ACCOUNT_COUNTER.increment();
+    }
+
+    return enabled;
   }
 
   public long getNextDeviceId() {