Replace libvirt domain name by nova instance name

Change-Id: I1a5a69dcc30c380defd513db435d6f79d74e0af2
Related-PROD: PROD-33330
diff --git a/nova/files/grafana_dashboards/nova_instances_prometheus.json b/nova/files/grafana_dashboards/nova_instances_prometheus.json
index f98b327..4273df2 100644
--- a/nova/files/grafana_dashboards/nova_instances_prometheus.json
+++ b/nova/files/grafana_dashboards/nova_instances_prometheus.json
@@ -599,14 +599,14 @@
       "steppedLine": false,
       "targets": [
         {
-          "expr": "rate(libvirt_domain_info_cpu_time_seconds_total{host=~\"$host\",domain=~\"$instance\"}[$rate_interval])",
+          "expr": "rate(libvirt_domain_info_cpu_time_seconds_total{host=~\"$host\",instance_name=~\"$instance\"}[$rate_interval])",
           "format": "time_series",
           "intervalFactor": 2,
           "legendFormat": "usage",
           "refId": "C"
         },
         {
-          "expr": "libvirt_domain_info_virtual_cpus{host=~\"$host\",domain=~\"$instance\"}",
+          "expr": "libvirt_domain_info_virtual_cpus{host=~\"$host\",instance_name=~\"$instance\"}",
           "format": "time_series",
           "intervalFactor": 2,
           "legendFormat": "total",
@@ -701,7 +701,7 @@
       "steppedLine": false,
       "targets": [
         {
-          "expr": "libvirt_domain_info_memory_usage_bytes{host=~\"$host\",domain=~\"$instance\"}",
+          "expr": "libvirt_domain_info_memory_usage_bytes{host=~\"$host\",instance_name=~\"$instance\"}",
           "format": "time_series",
           "intervalFactor": 2,
           "legendFormat": "usage",
@@ -798,7 +798,7 @@
       "steppedLine": false,
       "targets": [
         {
-          "expr": "sum(rate(libvirt_domain_block_stats_read_bytes_total{host=~\"$host\",domain=~\"$instance\"}[$rate_interval]))",
+          "expr": "sum(rate(libvirt_domain_block_stats_read_bytes_total{host=~\"$host\",instance_name=~\"$instance\"}[$rate_interval]))",
           "format": "time_series",
           "instant": false,
           "intervalFactor": 2,
@@ -806,7 +806,7 @@
           "refId": "A"
         },
         {
-          "expr": "sum(rate(libvirt_domain_block_stats_write_bytes_total{host=~\"$host\",domain=~\"$instance\"}[$rate_interval]))",
+          "expr": "sum(rate(libvirt_domain_block_stats_write_bytes_total{host=~\"$host\",instance_name=~\"$instance\"}[$rate_interval]))",
           "format": "time_series",
           "intervalFactor": 2,
           "legendFormat": "write",
@@ -908,7 +908,7 @@
       "steppedLine": false,
       "targets": [
         {
-          "expr": "sum(rate(libvirt_domain_interface_stats_receive_bytes_total{host=~\"$host\",domain=~\"$instance\"}[$rate_interval]))",
+          "expr": "sum(rate(libvirt_domain_interface_stats_receive_bytes_total{host=~\"$host\",instance_name=~\"$instance\"}[$rate_interval]))",
           "format": "time_series",
           "instant": false,
           "intervalFactor": 2,
@@ -916,7 +916,7 @@
           "refId": "A"
         },
         {
-          "expr": "sum(rate(libvirt_domain_interface_stats_transmit_bytes_total{host=~\"$host\",domain=~\"$instance\"}[$rate_interval]))",
+          "expr": "sum(rate(libvirt_domain_interface_stats_transmit_bytes_total{host=~\"$host\",instance_name=~\"$instance\"}[$rate_interval]))",
           "format": "time_series",
           "instant": false,
           "intervalFactor": 2,
@@ -1013,7 +1013,7 @@
         "multi": true,
         "name": "instance",
         "options": [],
-        "query": "label_values(libvirt_domain_info_virtual_cpus{host=~\"$host\"},domain)",
+        "query": "label_values(libvirt_domain_info_virtual_cpus{host=~\"$host\"},instance_name)",
         "refresh": 1,
         "regex": "",
         "sort": 1,