exposes sentinel metrics

* how many times sentinel restarted a service
* how many services the sentinel has running currently

1 files changed, 12 insertions, 0 deletions

diff --git a/config-model/src/main/java/com/yahoo/vespa/model/admin/monitoring/VespaMetricSet.java b/config-model/src/main/java/com/yahoo/vespa/model/admin/monitoring/VespaMetricSet.java
index 4087b9dadbf..ccf7974d381 100644
--- a/config-model/src/main/java/com/yahoo/vespa/model/admin/monitoring/VespaMetricSet.java
+++ b/config-model/src/main/java/com/yahoo/vespa/model/admin/monitoring/VespaMetricSet.java
@@ -30,11 +30,23 @@ public class VespaMetricSet {
         metrics.addAll(getQrserverMetrics());
         metrics.addAll(getContainerMetrics());
         metrics.addAll(getConfigServerMetrics());
+        metrics.addAll(getSentinelMetrics());
         metrics.addAll(getOtherMetrics());
 
         return Collections.unmodifiableSet(metrics);
     }
 
+    private static Set<Metric> getSentinelMetrics() {
+        Set<Metric> metrics = new LinkedHashSet<>();
+
+        metrics.add(new Metric("sentinel.restarts.count"));
+
+        metrics.add(new Metric("sentinel.running.count"));
+        metrics.add(new Metric("sentinel.running.last"));
+
+        return metrics;
+    }
+
     private static Set<Metric> getOtherMetrics() {
         Set<Metric> metrics = new LinkedHashSet<>();
         metrics.add(new Metric("slobrok.heartbeats.failed.count", "slobrok.heartbeats.failed"));