Add prometheus-es-exporter compute metrics

Change-Id: I1ff476e0b4f535622ed4a3a1bf057ec99d9d16ed
Related-bug: PROD-27911 (PROD:27911)
(cherry picked from commit 5afd9a57163a3608fafc5b4677741422d8913945)
diff --git a/prometheus/gainsight/query/openstack.yml b/prometheus/gainsight/query/openstack.yml
index fc9af46..b443712 100644
--- a/prometheus/gainsight/query/openstack.yml
+++ b/prometheus/gainsight/query/openstack.yml
@@ -19,3 +19,7 @@
         nova_vm_all: "'Total VM number','avg_over_time(total:openstack_nova_instance_all[1d])'"
         nova_vm_failed: "'Failed VM number','avg_over_time(total:openstack_nova_instance_failed[1d])'"
         kpi_downtime: "'KPI Downtime','1 - avg_over_time(total:openstack_nova_instance_failed[1d]) / avg_over_time(total:openstack_nova_instance_all[1d])'"
+        compute_instance_create_start: "'VM creation start','sum(compute_instance_create_start_host_doc_count)'"
+        compute_instance_create_end: "'VM creation end','sum(compute_instance_create_end_host_doc_count)'"
+        compute_instance_create_error: "'VM creation error','sum(compute_instance_create_error_host_doc_count)'"
+