Be able to monitor the Keepalived node State

Change-Id: I1f38472141220d937d78ac17a22268bc6dac3b39
Related-Bug: PROD-18708
diff --git a/keepalived/meta/prometheus.yml b/keepalived/meta/prometheus.yml
index 5172ace..3c3b969 100644
--- a/keepalived/meta/prometheus.yml
+++ b/keepalived/meta/prometheus.yml
@@ -13,4 +13,15 @@
         summary: 'Keepalived service is down'
         description: 'Keepalived service is down on node {{ $labels.host }}'
       {% endraw %}
+    KeepalivedStateFailed:
+      if: >-
+        keepalived_state == 0
+      {% raw %}
+      labels:
+        severity: warning
+        service: keepalived
+      annotations:
+        summary: 'Keepalived is in the Failed state'
+        description: 'Keepalived service is in Failed state on node {{ $labels.host }}'
+      {% endraw %}
 {%- endif %}