Add Grafana dashboard with Prometheus datasource

Change-Id: I7ac9422882594f0cdca13a511722fc2556957b36
diff --git a/etcd/files/grafana_dashboards/etcd_prometheus.json b/etcd/files/grafana_dashboards/etcd_prometheus.json
new file mode 100644
index 0000000..2bdff24
--- /dev/null
+++ b/etcd/files/grafana_dashboards/etcd_prometheus.json
@@ -0,0 +1,795 @@
+{
+  "annotations": {
+    "list": []
+  },
+  "description": "etcd sample Grafana dashboard with Prometheus",
+  "editable": true,
+  "gnetId": null,
+  "graphTooltip": 0,
+  "hideControls": false,
+  "id": null,
+  "links": [],
+  "refresh": false,
+  "rows": [
+    {
+      "collapse": false,
+      "height": "250px",
+      "panels": [
+        {
+          "cacheTimeout": null,
+          "colorBackground": false,
+          "colorValue": false,
+          "colors": [
+            "rgba(245, 54, 54, 0.9)",
+            "rgba(237, 129, 40, 0.89)",
+            "rgba(50, 172, 45, 0.97)"
+          ],
+          "editable": true,
+          "error": false,
+          "format": "none",
+          "gauge": {
+            "maxValue": 100,
+            "minValue": 0,
+            "show": false,
+            "thresholdLabels": false,
+            "thresholdMarkers": true
+          },
+          "id": 28,
+          "interval": null,
+          "links": [],
+          "mappingType": 1,
+          "mappingTypes": [
+            {
+              "name": "value to text",
+              "value": 1
+            },
+            {
+              "name": "range to text",
+              "value": 2
+            }
+          ],
+          "maxDataPoints": 100,
+          "nullPointMode": "connected",
+          "nullText": null,
+          "postfix": "",
+          "postfixFontSize": "50%",
+          "prefix": "",
+          "prefixFontSize": "50%",
+          "rangeMaps": [
+            {
+              "from": "null",
+              "text": "N/A",
+              "to": "null"
+            }
+          ],
+          "span": 3,
+          "sparkline": {
+            "fillColor": "rgba(31, 118, 189, 0.18)",
+            "full": false,
+            "lineColor": "rgb(31, 120, 193)",
+            "show": false
+          },
+          "targets": [
+            {
+              "expr": "sum(etcd_server_has_leader)",
+              "intervalFactor": 2,
+              "legendFormat": "",
+              "metric": "etcd_server_has_leader",
+              "refId": "A",
+              "step": 20
+            }
+          ],
+          "thresholds": "",
+          "title": "Up",
+          "type": "singlestat",
+          "valueFontSize": "200%",
+          "valueMaps": [
+            {
+              "op": "=",
+              "text": "N/A",
+              "value": "null"
+            }
+          ],
+          "valueName": "avg"
+        },
+        {
+          "aliasColors": {},
+          "bars": false,
+          "editable": true,
+          "error": false,
+          "fill": 0,
+          "grid": {},
+          "id": 3,
+          "legend": {
+            "avg": false,
+            "current": false,
+            "max": false,
+            "min": false,
+            "show": false,
+            "total": false,
+            "values": false
+          },
+          "lines": true,
+          "linewidth": 2,
+          "links": [],
+          "nullPointMode": "connected",
+          "percentage": false,
+          "pointradius": 1,
+          "points": false,
+          "renderer": "flot",
+          "seriesOverrides": [],
+          "span": 4,
+          "stack": false,
+          "steppedLine": true,
+          "targets": [
+            {
+              "expr": "histogram_quantile(0.99, sum(rate(etcd_disk_wal_fsync_duration_seconds_bucket [5m])) by (instance, le))",
+              "hide": false,
+              "intervalFactor": 2,
+              "legendFormat": "{{instance}} WAL fsync",
+              "metric": "etcd_disk_wal_fsync_duration_seconds_bucket",
+              "refId": "A",
+              "step": 2
+            },
+            {
+              "expr": "histogram_quantile(0.99, sum(rate(etcd_disk_backend_commit_duration_seconds_bucket [5m])) by (instance, le))",
+              "intervalFactor": 2,
+              "legendFormat": "{{instance}} DB fsync",
+              "metric": "etcd_disk_backend_commit_duration_seconds_bucket",
+              "refId": "B",
+              "step": 2
+            }
+          ],
+          "thresholds": [],
+          "timeFrom": null,
+          "timeShift": null,
+          "title": "Disk Sync Duration",
+          "tooltip": {
+            "msResolution": false,
+            "shared": true,
+            "sort": 0,
+            "value_type": "cumulative"
+          },
+          "type": "graph",
+          "xaxis": {
+            "mode": "time",
+            "name": null,
+            "show": true,
+            "values": []
+          },
+          "yaxes": [
+            {
+              "format": "s",
+              "logBase": 1,
+              "max": null,
+              "min": null,
+              "show": true
+            },
+            {
+              "format": "short",
+              "logBase": 1,
+              "max": null,
+              "min": null,
+              "show": false
+            }
+          ]
+        },
+        {
+          "aliasColors": {},
+          "bars": false,
+          "editable": true,
+          "error": false,
+          "fill": 0,
+          "id": 29,
+          "legend": {
+            "avg": false,
+            "current": false,
+            "max": false,
+            "min": false,
+            "show": false,
+            "total": false,
+            "values": false
+          },
+          "lines": true,
+          "linewidth": 2,
+          "links": [],
+          "nullPointMode": "connected",
+          "percentage": false,
+          "pointradius": 5,
+          "points": false,
+          "renderer": "flot",
+          "seriesOverrides": [],
+          "span": 5,
+          "stack": false,
+          "steppedLine": false,
+          "targets": [
+            {
+              "expr": "process_resident_memory_bytes{job=\"etcd\"}",
+              "intervalFactor": 2,
+              "legendFormat": "{{instance}} Resident Memory",
+              "metric": "process_resident_memory_bytes",
+              "refId": "A",
+              "step": 2
+            }
+          ],
+          "thresholds": [],
+          "timeFrom": null,
+          "timeShift": null,
+          "title": "Memory",
+          "tooltip": {
+            "msResolution": false,
+            "shared": true,
+            "sort": 0,
+            "value_type": "individual"
+          },
+          "type": "graph",
+          "xaxis": {
+            "mode": "time",
+            "name": null,
+            "show": true,
+            "values": []
+          },
+          "yaxes": [
+            {
+              "format": "bytes",
+              "label": null,
+              "logBase": 1,
+              "max": null,
+              "min": null,
+              "show": true
+            },
+            {
+              "format": "short",
+              "label": null,
+              "logBase": 1,
+              "max": null,
+              "min": null,
+              "show": true
+            }
+          ]
+        }
+      ],
+      "repeat": null,
+      "repeatIteration": null,
+      "repeatRowId": null,
+      "showTitle": false,
+      "title": "Row",
+      "titleSize": "h6"
+    },
+    {
+      "collapse": false,
+      "height": "250px",
+      "panels": [
+        {
+          "aliasColors": {},
+          "bars": false,
+          "editable": true,
+          "error": false,
+          "fill": 5,
+          "id": 22,
+          "legend": {
+            "avg": false,
+            "current": false,
+            "max": false,
+            "min": false,
+            "show": false,
+            "total": false,
+            "values": false
+          },
+          "lines": true,
+          "linewidth": 2,
+          "links": [],
+          "nullPointMode": "connected",
+          "percentage": false,
+          "pointradius": 5,
+          "points": false,
+          "renderer": "flot",
+          "seriesOverrides": [],
+          "span": 3,
+          "stack": true,
+          "steppedLine": false,
+          "targets": [
+            {
+              "expr": "rate(etcd_network_client_grpc_received_bytes_total [1m])",
+              "intervalFactor": 2,
+              "legendFormat": "{{instance}} Client Traffic In",
+              "metric": "etcd_network_client_grpc_received_bytes_total",
+              "refId": "A",
+              "step": 4
+            }
+          ],
+          "thresholds": [],
+          "timeFrom": null,
+          "timeShift": null,
+          "title": "Client Traffic In",
+          "tooltip": {
+            "msResolution": false,
+            "shared": true,
+            "sort": 0,
+            "value_type": "individual"
+          },
+          "type": "graph",
+          "xaxis": {
+            "mode": "time",
+            "name": null,
+            "show": true,
+            "values": []
+          },
+          "yaxes": [
+            {
+              "format": "short",
+              "label": null,
+              "logBase": 1,
+              "max": null,
+              "min": null,
+              "show": true
+            },
+            {
+              "format": "short",
+              "label": null,
+              "logBase": 1,
+              "max": null,
+              "min": null,
+              "show": true
+            }
+          ]
+        },
+        {
+          "aliasColors": {},
+          "bars": false,
+          "editable": true,
+          "error": false,
+          "fill": 5,
+          "id": 21,
+          "legend": {
+            "avg": false,
+            "current": false,
+            "max": false,
+            "min": false,
+            "show": false,
+            "total": false,
+            "values": false
+          },
+          "lines": true,
+          "linewidth": 2,
+          "links": [],
+          "nullPointMode": "connected",
+          "percentage": false,
+          "pointradius": 5,
+          "points": false,
+          "renderer": "flot",
+          "seriesOverrides": [],
+          "span": 3,
+          "stack": true,
+          "steppedLine": false,
+          "targets": [
+            {
+              "expr": "rate(etcd_network_client_grpc_sent_bytes_total [1m])",
+              "intervalFactor": 2,
+              "legendFormat": "{{instance}} Client Traffic Out",
+              "metric": "etcd_network_client_grpc_sent_bytes_total",
+              "refId": "A",
+              "step": 4
+            }
+          ],
+          "thresholds": [],
+          "timeFrom": null,
+          "timeShift": null,
+          "title": "Client Traffic Out",
+          "tooltip": {
+            "msResolution": false,
+            "shared": true,
+            "sort": 0,
+            "value_type": "individual"
+          },
+          "type": "graph",
+          "xaxis": {
+            "mode": "time",
+            "name": null,
+            "show": true,
+            "values": []
+          },
+          "yaxes": [
+            {
+              "format": "Bps",
+              "label": null,
+              "logBase": 1,
+              "max": null,
+              "min": null,
+              "show": true
+            },
+            {
+              "format": "short",
+              "label": null,
+              "logBase": 1,
+              "max": null,
+              "min": null,
+              "show": true
+            }
+          ]
+        },
+        {
+          "aliasColors": {},
+          "bars": false,
+          "editable": true,
+          "error": false,
+          "fill": 0,
+          "id": 20,
+          "legend": {
+            "avg": false,
+            "current": false,
+            "max": false,
+            "min": false,
+            "show": false,
+            "total": false,
+            "values": false
+          },
+          "lines": true,
+          "linewidth": 2,
+          "links": [],
+          "nullPointMode": "connected",
+          "percentage": false,
+          "pointradius": 5,
+          "points": false,
+          "renderer": "flot",
+          "seriesOverrides": [],
+          "span": 3,
+          "stack": false,
+          "steppedLine": false,
+          "targets": [
+            {
+              "expr": "sum(rate(etcd_network_peer_received_bytes_total [1m])) by (instance)",
+              "intervalFactor": 2,
+              "legendFormat": "{{instance}} Peer Traffic In",
+              "metric": "etcd_network_peer_received_bytes_total",
+              "refId": "A",
+              "step": 4
+            }
+          ],
+          "thresholds": [],
+          "timeFrom": null,
+          "timeShift": null,
+          "title": "Peer Traffic In",
+          "tooltip": {
+            "msResolution": false,
+            "shared": true,
+            "sort": 0,
+            "value_type": "individual"
+          },
+          "type": "graph",
+          "xaxis": {
+            "mode": "time",
+            "name": null,
+            "show": true,
+            "values": []
+          },
+          "yaxes": [
+            {
+              "format": "Bps",
+              "label": null,
+              "logBase": 1,
+              "max": null,
+              "min": null,
+              "show": true
+            },
+            {
+              "format": "short",
+              "label": null,
+              "logBase": 1,
+              "max": null,
+              "min": null,
+              "show": true
+            }
+          ]
+        },
+        {
+          "aliasColors": {},
+          "bars": false,
+          "decimals": null,
+          "editable": true,
+          "error": false,
+          "fill": 0,
+          "grid": {},
+          "id": 16,
+          "legend": {
+            "avg": false,
+            "current": false,
+            "max": false,
+            "min": false,
+            "show": false,
+            "total": false,
+            "values": false
+          },
+          "lines": true,
+          "linewidth": 2,
+          "links": [],
+          "nullPointMode": "connected",
+          "percentage": false,
+          "pointradius": 5,
+          "points": false,
+          "renderer": "flot",
+          "seriesOverrides": [],
+          "span": 3,
+          "stack": false,
+          "steppedLine": false,
+          "targets": [
+            {
+              "expr": "sum(rate(etcd_network_peer_sent_bytes_total [1m])) by (instance)",
+              "hide": false,
+              "interval": "",
+              "intervalFactor": 2,
+              "legendFormat": "{{instance}} Peer Traffic Out",
+              "metric": "etcd_network_peer_sent_bytes_total",
+              "refId": "A",
+              "step": 4
+            }
+          ],
+          "thresholds": [],
+          "timeFrom": null,
+          "timeShift": null,
+          "title": "Peer Traffic Out",
+          "tooltip": {
+            "msResolution": false,
+            "shared": true,
+            "sort": 0,
+            "value_type": "cumulative"
+          },
+          "type": "graph",
+          "xaxis": {
+            "mode": "time",
+            "name": null,
+            "show": true,
+            "values": []
+          },
+          "yaxes": [
+            {
+              "format": "Bps",
+              "logBase": 1,
+              "max": null,
+              "min": null,
+              "show": true
+            },
+            {
+              "format": "short",
+              "logBase": 1,
+              "max": null,
+              "min": null,
+              "show": true
+            }
+          ]
+        }
+      ],
+      "repeat": null,
+      "repeatIteration": null,
+      "repeatRowId": null,
+      "showTitle": false,
+      "title": "New row",
+      "titleSize": "h6"
+    },
+    {
+      "collapse": false,
+      "height": "250px",
+      "panels": [
+        {
+          "aliasColors": {},
+          "bars": false,
+          "editable": true,
+          "error": false,
+          "fill": 0,
+          "id": 40,
+          "legend": {
+            "avg": false,
+            "current": false,
+            "max": false,
+            "min": false,
+            "show": false,
+            "total": false,
+            "values": false
+          },
+          "lines": true,
+          "linewidth": 2,
+          "links": [],
+          "nullPointMode": "connected",
+          "percentage": false,
+          "pointradius": 5,
+          "points": false,
+          "renderer": "flot",
+          "seriesOverrides": [],
+          "span": 6,
+          "stack": false,
+          "steppedLine": false,
+          "targets": [
+            {
+              "expr": "sum(rate(etcd_server_proposals_failed_total [1m]))",
+              "intervalFactor": 2,
+              "legendFormat": "Proposal Failure Rate",
+              "metric": "etcd_server_proposals_failed_total",
+              "refId": "A",
+              "step": 2
+            },
+            {
+              "expr": "sum(etcd_server_proposals_pending)",
+              "intervalFactor": 2,
+              "legendFormat": "Proposal Pending Total",
+              "metric": "etcd_server_proposals_pending",
+              "refId": "B",
+              "step": 2
+            },
+            {
+              "expr": "sum(rate(etcd_server_proposals_committed_total [1m]))",
+              "intervalFactor": 2,
+              "legendFormat": "Proposal Commit Rate",
+              "metric": "etcd_server_proposals_committed_total",
+              "refId": "C",
+              "step": 2
+            },
+            {
+              "expr": "sum(rate(etcd_server_proposals_applied_total [1m]))",
+              "intervalFactor": 2,
+              "legendFormat": "Proposal Apply Rate",
+              "refId": "D",
+              "step": 2
+            }
+          ],
+          "thresholds": [],
+          "timeFrom": null,
+          "timeShift": null,
+          "title": "Raft Proposals",
+          "tooltip": {
+            "msResolution": false,
+            "shared": true,
+            "sort": 0,
+            "value_type": "individual"
+          },
+          "type": "graph",
+          "xaxis": {
+            "mode": "time",
+            "name": null,
+            "show": true,
+            "values": []
+          },
+          "yaxes": [
+            {
+              "format": "short",
+              "label": "",
+              "logBase": 1,
+              "max": null,
+              "min": null,
+              "show": true
+            },
+            {
+              "format": "short",
+              "label": null,
+              "logBase": 1,
+              "max": null,
+              "min": null,
+              "show": true
+            }
+          ]
+        },
+        {
+          "aliasColors": {},
+          "bars": false,
+          "decimals": 0,
+          "editable": true,
+          "error": false,
+          "fill": 0,
+          "id": 19,
+          "legend": {
+            "alignAsTable": false,
+            "avg": false,
+            "current": false,
+            "max": false,
+            "min": false,
+            "rightSide": false,
+            "show": false,
+            "total": false,
+            "values": false
+          },
+          "lines": true,
+          "linewidth": 2,
+          "links": [],
+          "nullPointMode": "connected",
+          "percentage": false,
+          "pointradius": 5,
+          "points": false,
+          "renderer": "flot",
+          "seriesOverrides": [],
+          "span": 6,
+          "stack": false,
+          "steppedLine": false,
+          "targets": [
+            {
+              "expr": "etcd_server_leader_changes_seen_total",
+              "intervalFactor": 2,
+              "legendFormat": "{{instance}} Leader Change Seen",
+              "metric": "etcd_server_leader_changes_seen_total",
+              "refId": "A",
+              "step": 2
+            }
+          ],
+          "thresholds": [],
+          "timeFrom": null,
+          "timeShift": null,
+          "title": "Rate Leader Elections",
+          "tooltip": {
+            "msResolution": false,
+            "shared": true,
+            "sort": 0,
+            "value_type": "individual"
+          },
+          "type": "graph",
+          "xaxis": {
+            "mode": "time",
+            "name": null,
+            "show": true,
+            "values": []
+          },
+          "yaxes": [
+            {
+              "format": "short",
+              "label": null,
+              "logBase": 1,
+              "max": null,
+              "min": null,
+              "show": true
+            },
+            {
+              "format": "short",
+              "label": null,
+              "logBase": 1,
+              "max": null,
+              "min": null,
+              "show": true
+            }
+          ]
+        }
+      ],
+      "repeat": null,
+      "repeatIteration": null,
+      "repeatRowId": null,
+      "showTitle": false,
+      "title": "New row",
+      "titleSize": "h6"
+    }
+  ],
+  "schemaVersion": 14,
+  "style": "dark",
+  "tags": [],
+  "templating": {
+    "list": []
+  },
+  "time": {
+    "from": "now-15m",
+    "to": "now"
+  },
+  "timepicker": {
+    "now": true,
+    "refresh_intervals": [
+      "5s",
+      "10s",
+      "30s",
+      "1m",
+      "5m",
+      "15m",
+      "30m",
+      "1h",
+      "2h",
+      "1d"
+    ],
+    "time_options": [
+      "5m",
+      "15m",
+      "1h",
+      "6h",
+      "12h",
+      "24h",
+      "2d",
+      "7d",
+      "30d"
+    ]
+  },
+  "timezone": "browser",
+  "title": "Etcd Cluster",
+  "version": 0
+}
diff --git a/etcd/meta/grafana.yml b/etcd/meta/grafana.yml
index 810f5cf..f189fd7 100644
--- a/etcd/meta/grafana.yml
+++ b/etcd/meta/grafana.yml
@@ -1,4 +1,22 @@
+{%- from "etcd/map.jinja" import server with context %}
+
 dashboard:
+{%- if server.monitoring is defined %}
+  {%- set backend = server.monitoring.get('backend') %}
+  {%- if backend is string %}
+    {%- set backend = [backend] %}
+  {%- endif %}
+{%- else %}
+{# legacy StackLight behavior #}
+{% set backend = ['influxdb'] %}
+{%- endif %}
+
+{%- if 'prometheus' in backend %}
+  etcd-cluster-prometheus:
+    format: json
+    template: etcd/files/grafana_dashboards/etcd_prometheus.json.json
+{%- endif %}
+{%- if 'influxdb' in backend %}
   etcd:
     format: json
     template: etcd/files/grafana_dashboards/etcd_influxdb.json
@@ -17,3 +35,4 @@
               cluster_status:
                 rawQuery: true
                 query: SELECT last(value) FROM cluster_status WHERE cluster_name = 'etcd' AND environment_label = '$environment' AND $timeFilter GROUP BY time($interval) fill(null)
+{%- endif %}