Add Grafana dashboard with Prometheus datasource

Change-Id: I18e4022e895c105c83365df10d1c420f8e9f4ed0
Depends-On: I5b4e72584b41b7a9b480b4343f30b7a6efd83c99
diff --git a/apache/files/grafana_dashboards/apache_prometheus.json b/apache/files/grafana_dashboards/apache_prometheus.json
new file mode 100644
index 0000000..ad9043c
--- /dev/null
+++ b/apache/files/grafana_dashboards/apache_prometheus.json
@@ -0,0 +1,629 @@
+{% raw %}
+{
+  "description": "Monitors Apache cluster using Prometheus. Shows overall cluster processes and usage.",
+  "editable": true,
+  "gnetId": null,
+  "graphTooltip": 1,
+  "hideControls": false,
+  "id": null,
+  "links": [],
+  "refresh": "1m",
+  "rows": [
+    {
+      "collapse": false,
+      "editable": true,
+      "height": "250px",
+      "panels": [
+        {
+          "aliasColors": {},
+          "bars": false,
+          "dashLength": 10,
+          "dashes": false,
+          "datasource": "prometheus",
+          "decimals": 0,
+          "fill": 1,
+          "id": 1,
+          "legend": {
+            "avg": false,
+            "current": false,
+            "max": false,
+            "min": false,
+            "show": true,
+            "total": false,
+            "values": false
+          },
+          "lines": true,
+          "linewidth": 1,
+          "links": [],
+          "nullPointMode": "null",
+          "percentage": false,
+          "pointradius": 5,
+          "points": false,
+          "renderer": "flot",
+          "seriesOverrides": [],
+          "spaceLength": 10,
+          "span": 6,
+          "stack": false,
+          "steppedLine": false,
+          "targets": [
+            {
+              "expr": "irate(apache_TotalAccesses{host=~\"$host\"}[1m])",
+              "format": "time_series",
+              "intervalFactor": 2,
+              "legendFormat": "{{ host }}",
+              "refId": "A",
+              "step": 2
+            }
+          ],
+          "thresholds": [],
+          "timeFrom": null,
+          "timeShift": null,
+          "title": "Number of requests",
+          "tooltip": {
+            "shared": true,
+            "sort": 0,
+            "value_type": "individual"
+          },
+          "type": "graph",
+          "xaxis": {
+            "buckets": null,
+            "mode": "time",
+            "name": null,
+            "show": true,
+            "values": []
+          },
+          "yaxes": [
+            {
+              "format": "ops",
+              "label": null,
+              "logBase": 1,
+              "max": null,
+              "min": "0",
+              "show": true
+            },
+            {
+              "format": "short",
+              "label": null,
+              "logBase": 1,
+              "max": null,
+              "min": null,
+              "show": true
+            }
+          ]
+        },
+        {
+          "aliasColors": {},
+          "bars": false,
+          "dashLength": 10,
+          "dashes": false,
+          "datasource": "prometheus",
+          "decimals": 2,
+          "fill": 1,
+          "id": 2,
+          "legend": {
+            "avg": false,
+            "current": false,
+            "max": false,
+            "min": false,
+            "show": true,
+            "total": false,
+            "values": false
+          },
+          "lines": true,
+          "linewidth": 1,
+          "links": [],
+          "nullPointMode": "null",
+          "percentage": false,
+          "pointradius": 5,
+          "points": false,
+          "renderer": "flot",
+          "seriesOverrides": [],
+          "spaceLength": 10,
+          "span": 6,
+          "stack": false,
+          "steppedLine": false,
+          "targets": [
+            {
+              "expr": "irate(apache_TotalkBytes{host=~\"$host\"}[1m])",
+              "format": "time_series",
+              "intervalFactor": 2,
+              "legendFormat": "{{ host }}",
+              "refId": "A",
+              "step": 2
+            }
+          ],
+          "thresholds": [],
+          "timeFrom": null,
+          "timeShift": null,
+          "title": "Bytes transmitted",
+          "tooltip": {
+            "shared": true,
+            "sort": 0,
+            "value_type": "individual"
+          },
+          "type": "graph",
+          "xaxis": {
+            "buckets": null,
+            "mode": "time",
+            "name": null,
+            "show": true,
+            "values": []
+          },
+          "yaxes": [
+            {
+              "format": "KBs",
+              "label": null,
+              "logBase": 1,
+              "max": null,
+              "min": "0",
+              "show": true
+            },
+            {
+              "format": "short",
+              "label": null,
+              "logBase": 1,
+              "max": null,
+              "min": null,
+              "show": true
+            }
+          ]
+        },
+        {
+          "aliasColors": {},
+          "bars": false,
+          "dashLength": 10,
+          "dashes": false,
+          "datasource": "prometheus",
+          "decimals": 0,
+          "fill": 1,
+          "id": 3,
+          "legend": {
+            "avg": false,
+            "current": false,
+            "max": false,
+            "min": false,
+            "show": true,
+            "total": false,
+            "values": false
+          },
+          "lines": true,
+          "linewidth": 1,
+          "links": [],
+          "nullPointMode": "null",
+          "percentage": false,
+          "pointradius": 5,
+          "points": false,
+          "renderer": "flot",
+          "seriesOverrides": [],
+          "spaceLength": 10,
+          "span": 9,
+          "stack": false,
+          "steppedLine": false,
+          "targets": [
+            {
+              "expr": "apache_BusyWorkers{host=~\"$host\"}",
+              "format": "time_series",
+              "intervalFactor": 2,
+              "legendFormat": "{{ host }}",
+              "refId": "A",
+              "step": 2
+            }
+          ],
+          "thresholds": [],
+          "timeFrom": null,
+          "timeShift": null,
+          "title": "Number of connections",
+          "tooltip": {
+            "shared": true,
+            "sort": 0,
+            "value_type": "individual"
+          },
+          "type": "graph",
+          "xaxis": {
+            "buckets": null,
+            "mode": "time",
+            "name": null,
+            "show": true,
+            "values": []
+          },
+          "yaxes": [
+            {
+              "format": "short",
+              "label": null,
+              "logBase": 1,
+              "max": null,
+              "min": "0",
+              "show": true
+            },
+            {
+              "format": "short",
+              "label": null,
+              "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": "prometheus",
+          "decimals": 0,
+          "format": "none",
+          "gauge": {
+            "maxValue": 100,
+            "minValue": 0,
+            "show": false,
+            "thresholdLabels": false,
+            "thresholdMarkers": true
+          },
+          "id": 4,
+          "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": true
+          },
+          "tableColumn": "",
+          "targets": [
+            {
+              "expr": "sum(apache_BusyWorkers{host=~\"$host\"})",
+              "format": "time_series",
+              "intervalFactor": 2,
+              "legendFormat": "",
+              "refId": "A",
+              "step": 20
+            }
+          ],
+          "thresholds": "",
+          "title": "Current connections",
+          "type": "singlestat",
+          "valueFontSize": "80%",
+          "valueMaps": [
+            {
+              "op": "=",
+              "text": "N/A",
+              "value": "null"
+            }
+          ],
+          "valueName": "current"
+        },
+        {
+          "aliasColors": {},
+          "bars": false,
+          "dashLength": 10,
+          "dashes": false,
+          "datasource": "prometheus",
+          "decimals": 0,
+          "fill": 1,
+          "id": 5,
+          "legend": {
+            "avg": false,
+            "current": false,
+            "max": false,
+            "min": false,
+            "show": true,
+            "total": false,
+            "values": false
+          },
+          "lines": true,
+          "linewidth": 1,
+          "links": [],
+          "nullPointMode": "null",
+          "percentage": false,
+          "pointradius": 5,
+          "points": false,
+          "renderer": "flot",
+          "seriesOverrides": [],
+          "spaceLength": 10,
+          "span": 9,
+          "stack": false,
+          "steppedLine": false,
+          "targets": [
+            {
+              "expr": "apache_scboard_closing{host=~\"$host\"}",
+              "format": "time_series",
+              "intervalFactor": 2,
+              "legendFormat": "closing {{ host }}",
+              "refId": "A",
+              "step": 2
+            },
+            {
+              "expr": "apache_scboard_dnslookup{host=~\"$host\"}",
+              "format": "time_series",
+              "intervalFactor": 2,
+              "legendFormat": "dnslookup {{ host }}",
+              "refId": "B",
+              "step": 2
+            },
+            {
+              "expr": "apache_scboard_finishing{host=~\"$host\"}",
+              "format": "time_series",
+              "intervalFactor": 2,
+              "legendFormat": "finishing {{ host }}",
+              "refId": "C",
+              "step": 2
+            },
+            {
+              "expr": "apache_scboard_idle_cleanup{host=~\"$host\"}",
+              "format": "time_series",
+              "intervalFactor": 2,
+              "legendFormat": "dle_cleanup {{ host }}",
+              "refId": "D",
+              "step": 2
+            },
+            {
+              "expr": "apache_scboard_keepalive{host=~\"$host\"}",
+              "format": "time_series",
+              "intervalFactor": 2,
+              "legendFormat": "keepalive {{ host }}",
+              "refId": "E",
+              "step": 2
+            },
+            {
+              "expr": "apache_scboard_logging{host=~\"$host\"}",
+              "format": "time_series",
+              "intervalFactor": 2,
+              "legendFormat": "logging {{ host }}",
+              "refId": "F",
+              "step": 2
+            },
+            {
+              "expr": "apache_scboard_open{host=~\"$host\"}",
+              "format": "time_series",
+              "intervalFactor": 2,
+              "legendFormat": "open {{ host }}",
+              "refId": "G",
+              "step": 2
+            },
+            {
+              "expr": "apache_scboard_reading{host=~\"$host\"}",
+              "format": "time_series",
+              "intervalFactor": 2,
+              "legendFormat": "reading {{ host }}",
+              "refId": "H",
+              "step": 2
+            },
+            {
+              "expr": "apache_scboard_sending{host=~\"$host\"}",
+              "format": "time_series",
+              "intervalFactor": 2,
+              "legendFormat": "sending {{ host }}",
+              "refId": "I",
+              "step": 2
+            },
+            {
+              "expr": "apache_scboard_starting{host=~\"$host\"}",
+              "format": "time_series",
+              "intervalFactor": 2,
+              "legendFormat": "starting {{ host }}",
+              "refId": "J",
+              "step": 2
+            },
+            {
+              "expr": "apache_scboard_waiting{host=~\"$host\"}",
+              "format": "time_series",
+              "intervalFactor": 2,
+              "legendFormat": "waiting {{ host }}",
+              "refId": "K",
+              "step": 2
+            }
+          ],
+          "thresholds": [],
+          "timeFrom": null,
+          "timeShift": null,
+          "title": "Workers states",
+          "tooltip": {
+            "shared": true,
+            "sort": 0,
+            "value_type": "individual"
+          },
+          "type": "graph",
+          "xaxis": {
+            "buckets": null,
+            "mode": "time",
+            "name": null,
+            "show": true,
+            "values": []
+          },
+          "yaxes": [
+            {
+              "format": "short",
+              "label": null,
+              "logBase": 1,
+              "max": null,
+              "min": "0",
+              "show": true
+            },
+            {
+              "format": "short",
+              "label": null,
+              "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": "prometheus",
+          "decimals": 0,
+          "format": "none",
+          "gauge": {
+            "maxValue": 100,
+            "minValue": 0,
+            "show": false,
+            "thresholdLabels": false,
+            "thresholdMarkers": true
+          },
+          "id": 6,
+          "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": true
+          },
+          "tableColumn": "",
+          "targets": [
+            {
+              "expr": "sum(apache_IdleWorkers{host=~\"$host\"})",
+              "format": "time_series",
+              "intervalFactor": 2,
+              "legendFormat": "",
+              "refId": "A",
+              "step": 20
+            }
+          ],
+          "thresholds": "",
+          "title": "Current idle workers",
+          "type": "singlestat",
+          "valueFontSize": "80%",
+          "valueMaps": [
+            {
+              "op": "=",
+              "text": "N/A",
+              "value": "null"
+            }
+          ],
+          "valueName": "current"
+        }
+      ],
+      "title": "Metrics"
+    }
+  ],
+  "schemaVersion": 14,
+  "sharedCrosshair": true,
+  "style": "dark",
+  "tags": [
+    "apache"
+  ],
+  "templating": {
+    "list": [
+     {
+        "allValue": ".*",
+        "current": {},
+        "datasource": "prometheus",
+        "hide": 0,
+        "includeAll": true,
+        "label": null,
+        "multi": true,
+        "name": "host",
+        "options": [],
+        "query": "label_values(apache_up,host)",
+        "refresh": 1,
+        "refresh_on_load": true,
+        "regex": "",
+        "sort": 1,
+        "tagValuesQuery": "",
+        "tags": [],
+        "tagsQuery": "",
+        "type": "query",
+        "useTags": false
+     }
+    ]
+  },
+  "time": {
+    "from": "now-1h",
+    "to": "now"
+  },
+  "timepicker": {
+    "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": "Apache",
+  "version": 1
+}
+{% endraw %}
diff --git a/apache/meta/grafana.yml b/apache/meta/grafana.yml
index 40dfce3..2ee1595 100644
--- a/apache/meta/grafana.yml
+++ b/apache/meta/grafana.yml
@@ -1,8 +1,14 @@
 dashboard:
-  apache:
+  apache_influxdb:
+    datasource: influxdb
     format: json
     template: apache/files/grafana_dashboards/apache_influxdb.json
+  apache_prometheus:
+    datasource: prometheus
+    format: json
+    template: apache/files/grafana_dashboards/apache_prometheus.json
   main:
+    datasource: influxdb
     row:
       ost-middleware:
         title: Middleware