Add Grafana dashboard for Prometheus

Change-Id: I086bea112abe9c3fc6338ca2b436cf23ec5684e4
diff --git a/nginx/files/grafana_dashboards/nginx_prometheus.json b/nginx/files/grafana_dashboards/nginx_prometheus.json
new file mode 100644
index 0000000..1c66a53
--- /dev/null
+++ b/nginx/files/grafana_dashboards/nginx_prometheus.json
@@ -0,0 +1,619 @@
+{% raw %}
+{
+  "description": "",
+  "editable": true,
+  "gnetId": 315,
+  "graphTooltip": 0,
+  "hideControls": false,
+  "id": null,
+  "links": [],
+  "refresh": "1m",
+  "rows": [
+    {
+      "collapse": false,
+      "height": "250px",
+      "panels": [
+        {
+          "cacheTimeout": null,
+          "colorBackground": false,
+          "colorValue": true,
+          "colors": [
+            "rgba(245, 54, 54, 0.9)",
+            "rgba(237, 129, 40, 0.89)",
+            "rgba(50, 172, 45, 0.97)"
+          ],
+          "datasource": "prometheus",
+          "format": "none",
+          "gauge": {
+            "maxValue": 100,
+            "minValue": 0,
+            "show": false,
+            "thresholdLabels": false,
+            "thresholdMarkers": true
+          },
+          "id": 1,
+          "interval": "> 60s",
+          "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": 2,
+          "sparkline": {
+            "fillColor": "rgba(31, 118, 189, 0.18)",
+            "full": false,
+            "lineColor": "rgb(31, 120, 193)",
+            "show": false
+          },
+          "targets": [
+            {
+              "expr": "nginx_up{host=~\"$host\"}",
+              "format": "time_series",
+              "intervalFactor": 2,
+              "legendFormat": "{{ cluster_name }}",
+              "refId": "A",
+              "step": 20
+            }
+          ],
+          "thresholds": "1,3",
+          "title": "Status",
+          "type": "singlestat",
+          "valueFontSize": "80%",
+          "valueMaps": [
+            {
+              "op": "=",
+              "text": "no data",
+              "value": "null"
+            },
+            {
+              "op": "=",
+              "text": "DOWN",
+              "value": "0"
+            },
+            {
+              "op": "=",
+              "text": "UP",
+              "value": "1"
+            }
+          ],
+          "valueName": "current"
+        },
+        {
+          "aliasColors": {},
+          "bars": false,
+          "datasource": null,
+          "editable": true,
+          "error": false,
+          "fill": 1,
+          "grid": {
+            "threshold1": null,
+            "threshold1Color": "rgba(216, 200, 27, 0.27)",
+            "threshold2": null,
+            "threshold2Color": "rgba(234, 112, 112, 0.22)"
+          },
+          "id": 9,
+          "interval": "> 60s",
+          "legend": {
+            "avg": false,
+            "current": false,
+            "max": false,
+            "min": false,
+            "show": false,
+            "total": false,
+            "values": false
+          },
+          "lines": true,
+          "linewidth": 1,
+          "links": [],
+          "nullPointMode": "connected",
+          "percentage": false,
+          "pointradius": 5,
+          "points": false,
+          "renderer": "flot",
+          "seriesOverrides": [],
+          "span": 5,
+          "stack": false,
+          "steppedLine": false,
+          "targets": [
+            {
+              "expr": "irate(nginx_requests{host=~\"$host\"}[1m])",
+              "format": "time_series",
+              "intervalFactor": 2,
+              "legendFormat": "{{ host }}",
+              "metric": "nginx_requests",
+              "refId": "A",
+              "step": 2
+            }
+          ],
+          "timeFrom": null,
+          "timeShift": null,
+          "title": "Requests",
+          "tooltip": {
+            "msResolution": false,
+            "shared": false,
+            "sort": 0,
+            "value_type": "cumulative"
+          },
+          "type": "graph",
+          "xaxis": {
+            "show": true
+          },
+          "yaxes": [
+            {
+              "format": "ops",
+              "logBase": 1,
+              "max": null,
+              "min": 0,
+              "show": true
+            },
+            {
+              "format": "short",
+              "logBase": 1,
+              "max": null,
+              "min": null,
+              "show": true
+            }
+          ]
+        },
+                {
+          "aliasColors": {},
+          "bars": false,
+          "datasource": null,
+          "editable": true,
+          "error": false,
+          "fill": 1,
+          "grid": {
+            "threshold1": null,
+            "threshold1Color": "rgba(216, 200, 27, 0.27)",
+            "threshold2": null,
+            "threshold2Color": "rgba(234, 112, 112, 0.22)"
+          },
+          "id": 10,
+          "interval": "> 60s",
+          "legend": {
+            "avg": false,
+            "current": false,
+            "max": false,
+            "min": false,
+            "show": true,
+            "total": false,
+            "values": false
+          },
+          "lines": true,
+          "linewidth": 1,
+          "links": [],
+          "nullPointMode": "connected",
+          "percentage": false,
+          "pointradius": 5,
+          "points": false,
+          "renderer": "flot",
+          "seriesOverrides": [],
+          "span": 5,
+          "stack": false,
+          "steppedLine": false,
+          "targets": [
+            {
+              "expr": "irate(nginx_connections_accepted{host=~\"$host\"}[1m])",
+              "format": "time_series",
+              "intervalFactor": 2,
+              "legendFormat": "accepted",
+              "metric": "nginx_connections_accepted",
+              "refId": "A",
+              "step": 2
+            },
+            {
+              "expr": "irate(nginx_connections_handled{host=~\"$host\"}[1m])",
+              "format": "time_series",
+              "intervalFactor": 2,
+              "legendFormat": "handled",
+              "metric": "nginx_connections_handled",
+              "refId": "B",
+              "step": 2
+            }
+          ],
+          "timeFrom": null,
+          "timeShift": null,
+          "title": "Connections",
+          "tooltip": {
+            "msResolution": false,
+            "shared": true,
+            "sort": 0,
+            "value_type": "cumulative"
+          },
+          "type": "graph",
+          "xaxis": {
+            "show": true
+          },
+          "yaxes": [
+            {
+              "format": "ops",
+              "logBase": 1,
+              "max": null,
+              "min": 0,
+              "show": true
+            },
+            {
+              "format": "short",
+              "logBase": 1,
+              "max": null,
+              "min": null,
+              "show": true
+            }
+          ]
+        },
+        {
+          "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)"
+          ],
+          "datasource": null,
+          "editable": true,
+          "error": false,
+          "format": "none",
+          "gauge": {
+            "maxValue": 100,
+            "minValue": 0,
+            "show": false,
+            "thresholdLabels": false,
+            "thresholdMarkers": true
+          },
+          "id": 6,
+          "interval": "> 60s",
+          "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": true
+          },
+          "targets": [
+            {
+              "expr": "nginx_connections_active{host=~\"$host\"}",
+              "format": "time_series",
+              "intervalFactor": 2,
+              "legendFormat": "{{ host }}",
+              "metric": "nginx_connections_active",
+              "refId": "A",
+              "step": 2
+            }
+          ],
+          "thresholds": "",
+          "title": "Active connections",
+          "type": "singlestat",
+          "valueFontSize": "80%",
+          "valueMaps": [
+            {
+              "op": "=",
+              "text": "N/A",
+              "value": "null"
+            }
+          ],
+          "valueName": "current"
+        },
+        {
+          "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)"
+          ],
+          "datasource": null,
+          "editable": true,
+          "error": false,
+          "format": "none",
+          "gauge": {
+            "maxValue": 100,
+            "minValue": 0,
+            "show": false,
+            "thresholdLabels": false,
+            "thresholdMarkers": true
+          },
+          "id": 12,
+          "interval": "> 60s",
+          "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": true
+          },
+          "targets": [
+            {
+              "expr": "nginx_connections_reading{host=~\"$host\"}",
+              "format": "time_series",
+              "intervalFactor": 2,
+              "legendFormat": "{{ host }}",
+              "metric": "nginx_connections_reading",
+              "refId": "A",
+              "step": 2
+            }
+          ],
+          "thresholds": "",
+          "title": "Reading connections",
+          "type": "singlestat",
+          "valueFontSize": "80%",
+          "valueMaps": [
+            {
+              "op": "=",
+              "text": "N/A",
+              "value": "null"
+            }
+          ],
+          "valueName": "current"
+        },
+        {
+          "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)"
+          ],
+          "datasource": null,
+          "editable": true,
+          "error": false,
+          "format": "none",
+          "gauge": {
+            "maxValue": 100,
+            "minValue": 0,
+            "show": false,
+            "thresholdLabels": false,
+            "thresholdMarkers": true
+          },
+          "id": 13,
+          "interval": "> 60s",
+          "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": true
+          },
+          "targets": [
+            {
+              "expr": "nginx_connections_writing{host=~\"$host\"}",
+              "format": "time_series",
+              "intervalFactor": 2,
+              "legendFormat": "{{ host }}",
+              "metric": "nginx_connections_writing",
+              "refId": "A",
+              "step": 2
+            }
+          ],
+          "thresholds": "",
+          "title": "Writing connections",
+          "type": "singlestat",
+          "valueFontSize": "80%",
+          "valueMaps": [
+            {
+              "op": "=",
+              "text": "N/A",
+              "value": "null"
+            }
+          ],
+          "valueName": "current"
+        },
+        {
+          "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)"
+          ],
+          "datasource": null,
+          "editable": true,
+          "error": false,
+          "format": "none",
+          "gauge": {
+            "maxValue": 100,
+            "minValue": 0,
+            "show": false,
+            "thresholdLabels": false,
+            "thresholdMarkers": true
+          },
+          "id": 14,
+          "interval": "> 60s",
+          "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": true
+          },
+          "targets": [
+            {
+              "expr": "nginx_connections_waiting{host=~\"$host\"}",
+              "format": "time_series",
+              "intervalFactor": 2,
+              "legendFormat": "{{ host }}",
+              "metric": "nginx_connections_waiting",
+              "refId": "A",
+              "step": 2
+            }
+          ],
+          "thresholds": "",
+          "title": "Waiting connections",
+          "type": "singlestat",
+          "valueFontSize": "80%",
+          "valueMaps": [
+            {
+              "op": "=",
+              "text": "N/A",
+              "value": "null"
+            }
+          ],
+          "valueName": "current"
+        }
+      ],
+      "repeat": null,
+      "repeatIteration": null,
+      "repeatRowId": null,
+      "showTitle": true,
+      "title": "Metrics",
+      "titleSize": "h6"
+    }
+  ],
+  "templating": {
+    "list": [
+     {
+        "allValue": ".*",
+        "current": {},
+        "datasource": "prometheus",
+        "hide": 0,
+        "includeAll": false,
+        "label": null,
+        "multi": false,
+        "name": "host",
+        "options": [],
+        "query": "label_values(nginx_up,host)",
+        "refresh": 1,
+        "refresh_on_load": true,
+        "regex": "",
+        "sort": 1,
+        "tagValuesQuery": "",
+        "tags": [],
+        "tagsQuery": "",
+        "type": "query",
+        "useTags": false
+     }
+    ]
+  },
+  "timezone": "browser",
+  "title": "Nginx",
+  "version": 1
+}
+{% endraw %}
diff --git a/nginx/meta/grafana.yml b/nginx/meta/grafana.yml
index 957c94d..69d5fac 100644
--- a/nginx/meta/grafana.yml
+++ b/nginx/meta/grafana.yml
@@ -1,8 +1,14 @@
 dashboard:
-  nginx:
+  nginx_influxdb:
+    datasource: influxdb
     format: json
     template: nginx/files/grafana_dashboards/nginx_influxdb.json
+  nginx_prometheus:
+    datasource: prometheus
+    format: json
+    template: nginx/files/grafana_dashboards/nginx_prometheus.json
   main:
+    datasource: influxdb
     row:
       ost-middleware:
         title: Middleware