diff --git a/contrib/mixin/mixin.libsonnet b/contrib/mixin/mixin.libsonnet
index 74336cf3f..a93b0ab95 100644
--- a/contrib/mixin/mixin.libsonnet
+++ b/contrib/mixin/mixin.libsonnet
@@ -15,6 +15,8 @@
     // 1 : On Dashboard Load  (Will refresh Dashboards variables when dashboard are loaded)
     // 2 : On Time Range Change (Will refresh Dashboards variables when time range will be changed)
     dashboard_var_refresh: 2,
+    // clusterLabel is used to identify a cluster.
+    clusterLabel: 'job',
   },
 
   prometheusAlerts+:: {
@@ -39,7 +41,7 @@
               severity: 'critical',
             },
             annotations: {
-              description: 'etcd cluster "{{ $labels.job }}": members are down ({{ $value }}).',
+              description: 'etcd cluster "{{ $labels.%s }}": members are down ({{ $value }}).' % $._config.clusterLabel,
               summary: 'etcd cluster members are down.',
             },
           },
@@ -53,7 +55,7 @@
               severity: 'critical',
             },
             annotations: {
-              description: 'etcd cluster "{{ $labels.job }}": insufficient members ({{ $value }}).',
+              description: 'etcd cluster "{{ $labels.%s }}": insufficient members ({{ $value }}).' % $._config.clusterLabel,
               summary: 'etcd cluster has insufficient number of members.',
             },
           },
@@ -67,7 +69,7 @@
               severity: 'critical',
             },
             annotations: {
-              description: 'etcd cluster "{{ $labels.job }}": member {{ $labels.instance }} has no leader.',
+              description: 'etcd cluster "{{ $labels.%s }}": member {{ $labels.instance }} has no leader.' % $._config.clusterLabel,
               summary: 'etcd cluster has no leader.',
             },
           },
@@ -81,7 +83,7 @@
               severity: 'warning',
             },
             annotations: {
-              description: 'etcd cluster "{{ $labels.job }}": {{ $value }} leader changes within the last 15 minutes. Frequent elections may be a sign of insufficient resources, high network latency, or disruptions by other components and should be investigated.',
+              description: 'etcd cluster "{{ $labels.%s }}": {{ $value }} leader changes within the last 15 minutes. Frequent elections may be a sign of insufficient resources, high network latency, or disruptions by other components and should be investigated.' % $._config.clusterLabel,
               summary: 'etcd cluster has high number of leader changes.',
             },
           },
@@ -98,7 +100,7 @@
               severity: 'warning',
             },
             annotations: {
-              description: 'etcd cluster "{{ $labels.job }}": {{ $value }}% of requests for {{ $labels.grpc_method }} failed on etcd instance {{ $labels.instance }}.',
+              description: 'etcd cluster "{{ $labels.%s }}": {{ $value }}%% of requests for {{ $labels.grpc_method }} failed on etcd instance {{ $labels.instance }}.' % $._config.clusterLabel,
               summary: 'etcd cluster has high number of failed grpc requests.',
             },
           },
@@ -115,7 +117,7 @@
               severity: 'critical',
             },
             annotations: {
-              description: 'etcd cluster "{{ $labels.job }}": {{ $value }}% of requests for {{ $labels.grpc_method }} failed on etcd instance {{ $labels.instance }}.',
+              description: 'etcd cluster "{{ $labels.%s }}": {{ $value }}%% of requests for {{ $labels.grpc_method }} failed on etcd instance {{ $labels.instance }}.' % $._config.clusterLabel,
               summary: 'etcd cluster has high number of failed grpc requests.',
             },
           },
@@ -130,7 +132,7 @@
               severity: 'critical',
             },
             annotations: {
-              description: 'etcd cluster "{{ $labels.job }}": 99th percentile of gRPC requests is {{ $value }}s on etcd instance {{ $labels.instance }}.',
+              description: 'etcd cluster "{{ $labels.%s }}": 99th percentile of gRPC requests is {{ $value }}s on etcd instance {{ $labels.instance }}.' % $._config.clusterLabel,
               summary: 'etcd grpc requests are slow',
             },
           },
@@ -145,7 +147,7 @@
               severity: 'warning',
             },
             annotations: {
-              description: 'etcd cluster "{{ $labels.job }}": member communication with {{ $labels.To }} is taking {{ $value }}s on etcd instance {{ $labels.instance }}.',
+              description: 'etcd cluster "{{ $labels.%s }}": member communication with {{ $labels.To }} is taking {{ $value }}s on etcd instance {{ $labels.instance }}.' % $._config.clusterLabel,
               summary: 'etcd cluster member communication is slow.',
             },
           },
@@ -159,7 +161,7 @@
               severity: 'warning',
             },
             annotations: {
-              description: 'etcd cluster "{{ $labels.job }}": {{ $value }} proposal failures within the last 30 minutes on etcd instance {{ $labels.instance }}.',
+              description: 'etcd cluster "{{ $labels.%s }}": {{ $value }} proposal failures within the last 30 minutes on etcd instance {{ $labels.instance }}.' % $._config.clusterLabel,
               summary: 'etcd cluster has high number of proposal failures.',
             },
           },
@@ -174,7 +176,7 @@
               severity: 'warning',
             },
             annotations: {
-              description: 'etcd cluster "{{ $labels.job }}": 99th percentile fsync durations are {{ $value }}s on etcd instance {{ $labels.instance }}.',
+              description: 'etcd cluster "{{ $labels.%s }}": 99th percentile fsync durations are {{ $value }}s on etcd instance {{ $labels.instance }}.' % $._config.clusterLabel,
               summary: 'etcd cluster 99th percentile fsync durations are too high.',
             },
           },
@@ -189,7 +191,7 @@
               severity: 'critical',
             },
             annotations: {
-              description: 'etcd cluster "{{ $labels.job }}": 99th percentile fsync durations are {{ $value }}s on etcd instance {{ $labels.instance }}.',
+              description: 'etcd cluster "{{ $labels.%s }}": 99th percentile fsync durations are {{ $value }}s on etcd instance {{ $labels.instance }}.' % $._config.clusterLabel,
             },
           },
           {
@@ -203,7 +205,7 @@
               severity: 'warning',
             },
             annotations: {
-              description: 'etcd cluster "{{ $labels.job }}": 99th percentile commit durations {{ $value }}s on etcd instance {{ $labels.instance }}.',
+              description: 'etcd cluster "{{ $labels.%s }}": 99th percentile commit durations {{ $value }}s on etcd instance {{ $labels.instance }}.' % $._config.clusterLabel,
               summary: 'etcd cluster 99th percentile commit durations are too high.',
             },
           },
@@ -217,7 +219,7 @@
               severity: 'critical',
             },
             annotations: {
-              description: 'etcd cluster "{{ $labels.job }}": database size exceeds the defined quota on etcd instance {{ $labels.instance }}, please defrag or increase the quota as the writes to etcd will be disabled when it is full.',
+              description: 'etcd cluster "{{ $labels.%s }}": database size exceeds the defined quota on etcd instance {{ $labels.instance }}, please defrag or increase the quota as the writes to etcd will be disabled when it is full.' % $._config.clusterLabel,
             },
           },
           {
@@ -230,7 +232,7 @@
               severity: 'warning',
             },
             annotations: {
-              description: 'etcd cluster "{{ $labels.job }}": Observed surge in etcd writes leading to 50% increase in database size over the past four hours on etcd instance {{ $labels.instance }}, please check as it might be disruptive.',
+              description: 'etcd cluster "{{ $labels.%s }}": Observed surge in etcd writes leading to 50%% increase in database size over the past four hours on etcd instance {{ $labels.instance }}, please check as it might be disruptive.' % $._config.clusterLabel,
             },
           },
         ],
@@ -310,7 +312,7 @@
                 show: false,
               },
               targets: [{
-                expr: 'sum(etcd_server_has_leader{job="$cluster"})',
+                expr: 'sum(etcd_server_has_leader{%s="$cluster"})' % $._config.clusterLabel,
                 intervalFactor: 2,
                 legendFormat: '',
                 metric: 'etcd_server_has_leader',
@@ -360,7 +362,7 @@
               steppedLine: false,
               targets: [
                 {
-                  expr: 'sum(rate(grpc_server_started_total{job="$cluster",grpc_type="unary"}[5m]))',
+                  expr: 'sum(rate(grpc_server_started_total{%s="$cluster",grpc_type="unary"}[5m]))' % $._config.clusterLabel,
                   format: 'time_series',
                   intervalFactor: 2,
                   legendFormat: 'RPC Rate',
@@ -369,7 +371,7 @@
                   step: 2,
                 },
                 {
-                  expr: 'sum(rate(grpc_server_handled_total{job="$cluster",grpc_type="unary",grpc_code=~"Unknown|FailedPrecondition|ResourceExhausted|Internal|Unavailable|DataLoss|DeadlineExceeded"}[5m]))',
+                  expr: 'sum(rate(grpc_server_handled_total{%s="$cluster",grpc_type="unary",grpc_code=~"Unknown|FailedPrecondition|ResourceExhausted|Internal|Unavailable|DataLoss|DeadlineExceeded"}[5m]))' % $._config.clusterLabel,
                   format: 'time_series',
                   intervalFactor: 2,
                   legendFormat: 'RPC Failed Rate',
@@ -446,7 +448,7 @@
               steppedLine: false,
               targets: [
                 {
-                  expr: 'sum(grpc_server_started_total{job="$cluster",grpc_service="etcdserverpb.Watch",grpc_type="bidi_stream"}) - sum(grpc_server_handled_total{job="$cluster",grpc_service="etcdserverpb.Watch",grpc_type="bidi_stream"})',
+                  expr: 'sum(grpc_server_started_total{%(clusterLabel)s="$cluster",grpc_service="etcdserverpb.Watch",grpc_type="bidi_stream"}) - sum(grpc_server_handled_total{%(clusterLabel)s="$cluster",grpc_service="etcdserverpb.Watch",grpc_type="bidi_stream"})' % $._config,
                   intervalFactor: 2,
                   legendFormat: 'Watch Streams',
                   metric: 'grpc_server_handled_total',
@@ -454,7 +456,7 @@
                   step: 4,
                 },
                 {
-                  expr: 'sum(grpc_server_started_total{job="$cluster",grpc_service="etcdserverpb.Lease",grpc_type="bidi_stream"}) - sum(grpc_server_handled_total{job="$cluster",grpc_service="etcdserverpb.Lease",grpc_type="bidi_stream"})',
+                  expr: 'sum(grpc_server_started_total{%(clusterLabel)s="$cluster",grpc_service="etcdserverpb.Lease",grpc_type="bidi_stream"}) - sum(grpc_server_handled_total{%(clusterLabel)s="$cluster",grpc_service="etcdserverpb.Lease",grpc_type="bidi_stream"})' % $._config,
                   intervalFactor: 2,
                   legendFormat: 'Lease Streams',
                   metric: 'grpc_server_handled_total',
@@ -539,7 +541,7 @@
               stack: false,
               steppedLine: false,
               targets: [{
-                expr: 'etcd_mvcc_db_total_size_in_bytes{job="$cluster"}',
+                expr: 'etcd_mvcc_db_total_size_in_bytes{%s="$cluster"}' % $._config.clusterLabel,
                 hide: false,
                 interval: '',
                 intervalFactor: 2,
@@ -614,7 +616,7 @@
               steppedLine: true,
               targets: [
                 {
-                  expr: 'histogram_quantile(0.99, sum(rate(etcd_disk_wal_fsync_duration_seconds_bucket{job="$cluster"}[5m])) by (instance, le))',
+                  expr: 'histogram_quantile(0.99, sum(rate(etcd_disk_wal_fsync_duration_seconds_bucket{%s="$cluster"}[5m])) by (instance, le))' % $._config.clusterLabel,
                   hide: false,
                   intervalFactor: 2,
                   legendFormat: '{{instance}} WAL fsync',
@@ -623,7 +625,7 @@
                   step: 4,
                 },
                 {
-                  expr: 'histogram_quantile(0.99, sum(rate(etcd_disk_backend_commit_duration_seconds_bucket{job="$cluster"}[5m])) by (instance, le))',
+                  expr: 'histogram_quantile(0.99, sum(rate(etcd_disk_backend_commit_duration_seconds_bucket{%s="$cluster"}[5m])) by (instance, le))' % $._config.clusterLabel,
                   intervalFactor: 2,
                   legendFormat: '{{instance}} DB fsync',
                   metric: 'etcd_disk_backend_commit_duration_seconds_bucket',
@@ -696,7 +698,7 @@
               stack: false,
               steppedLine: false,
               targets: [{
-                expr: 'process_resident_memory_bytes{job="$cluster"}',
+                expr: 'process_resident_memory_bytes{%s="$cluster"}' % $._config.clusterLabel,
                 intervalFactor: 2,
                 legendFormat: '{{instance}} Resident Memory',
                 metric: 'process_resident_memory_bytes',
@@ -778,7 +780,7 @@
               stack: true,
               steppedLine: false,
               targets: [{
-                expr: 'rate(etcd_network_client_grpc_received_bytes_total{job="$cluster"}[5m])',
+                expr: 'rate(etcd_network_client_grpc_received_bytes_total{%s="$cluster"}[5m])' % $._config.clusterLabel,
                 intervalFactor: 2,
                 legendFormat: '{{instance}} Client Traffic In',
                 metric: 'etcd_network_client_grpc_received_bytes_total',
@@ -852,7 +854,7 @@
               stack: true,
               steppedLine: false,
               targets: [{
-                expr: 'rate(etcd_network_client_grpc_sent_bytes_total{job="$cluster"}[5m])',
+                expr: 'rate(etcd_network_client_grpc_sent_bytes_total{%s="$cluster"}[5m])' % $._config.clusterLabel,
                 intervalFactor: 2,
                 legendFormat: '{{instance}} Client Traffic Out',
                 metric: 'etcd_network_client_grpc_sent_bytes_total',
@@ -926,7 +928,7 @@
               stack: false,
               steppedLine: false,
               targets: [{
-                expr: 'sum(rate(etcd_network_peer_received_bytes_total{job="$cluster"}[5m])) by (instance)',
+                expr: 'sum(rate(etcd_network_peer_received_bytes_total{%s="$cluster"}[5m])) by (instance)' % $._config.clusterLabel,
                 intervalFactor: 2,
                 legendFormat: '{{instance}} Peer Traffic In',
                 metric: 'etcd_network_peer_received_bytes_total',
@@ -1001,7 +1003,7 @@
               stack: false,
               steppedLine: false,
               targets: [{
-                expr: 'sum(rate(etcd_network_peer_sent_bytes_total{job="$cluster"}[5m])) by (instance)',
+                expr: 'sum(rate(etcd_network_peer_sent_bytes_total{%s="$cluster"}[5m])) by (instance)' % $._config.clusterLabel,
                 hide: false,
                 interval: '',
                 intervalFactor: 2,
@@ -1084,7 +1086,7 @@
               steppedLine: false,
               targets: [
                 {
-                  expr: 'sum(rate(etcd_server_proposals_failed_total{job="$cluster"}[5m]))',
+                  expr: 'sum(rate(etcd_server_proposals_failed_total{%s="$cluster"}[5m]))' % $._config.clusterLabel,
                   intervalFactor: 2,
                   legendFormat: 'Proposal Failure Rate',
                   metric: 'etcd_server_proposals_failed_total',
@@ -1092,7 +1094,7 @@
                   step: 2,
                 },
                 {
-                  expr: 'sum(etcd_server_proposals_pending{job="$cluster"})',
+                  expr: 'sum(etcd_server_proposals_pending{%s="$cluster"})' % $._config.clusterLabel,
                   intervalFactor: 2,
                   legendFormat: 'Proposal Pending Total',
                   metric: 'etcd_server_proposals_pending',
@@ -1100,7 +1102,7 @@
                   step: 2,
                 },
                 {
-                  expr: 'sum(rate(etcd_server_proposals_committed_total{job="$cluster"}[5m]))',
+                  expr: 'sum(rate(etcd_server_proposals_committed_total{%s="$cluster"}[5m]))' % $._config.clusterLabel,
                   intervalFactor: 2,
                   legendFormat: 'Proposal Commit Rate',
                   metric: 'etcd_server_proposals_committed_total',
@@ -1108,7 +1110,7 @@
                   step: 2,
                 },
                 {
-                  expr: 'sum(rate(etcd_server_proposals_applied_total{job="$cluster"}[5m]))',
+                  expr: 'sum(rate(etcd_server_proposals_applied_total{%s="$cluster"}[5m]))' % $._config.clusterLabel,
                   intervalFactor: 2,
                   legendFormat: 'Proposal Apply Rate',
                   refId: 'D',
@@ -1185,7 +1187,7 @@
               stack: false,
               steppedLine: false,
               targets: [{
-                expr: 'changes(etcd_server_leader_changes_seen_total{job="$cluster"}[1d])',
+                expr: 'changes(etcd_server_leader_changes_seen_total{%s="$cluster"}[1d])' % $._config.clusterLabel,
                 intervalFactor: 2,
                 legendFormat: '{{instance}} Total Leader Elections Per Day',
                 metric: 'etcd_server_leader_changes_seen_total',
@@ -1291,7 +1293,7 @@
             multi: false,
             name: 'cluster',
             options: [],
-            query: 'label_values(etcd_server_has_leader, job)',
+            query: 'label_values(etcd_server_has_leader, %s)' % $._config.clusterLabel,
             refresh: $._config.dashboard_var_refresh,
             regex: '',
             sort: 2,