Add Grafana support

Change-Id: If084d3b0044d0e682b5367013c48193b7f20c873
diff --git a/apache/files/grafana_dashboards/apache_influxdb.json b/apache/files/grafana_dashboards/apache_influxdb.json
new file mode 100644
index 0000000..a510c10
--- /dev/null
+++ b/apache/files/grafana_dashboards/apache_influxdb.json
@@ -0,0 +1,898 @@
+{
+  "annotations": {
+    "list": [
+      {
+        "datasource": "lma",
+        "enable": true,
+        "iconColor": "#C0C6BE",
+        "iconSize": 13,
+        "lineColor": "rgba(255, 96, 96, 0.592157)",
+        "name": "Status",
+        "query": "select title,tags,text from annotations where $timeFilter and cluster = 'apache'",
+        "showLine": true,
+        "tagsColumn": "tags",
+        "textColumn": "text",
+        "titleColumn": "title"
+      }
+    ]
+  },
+  "editable": true,
+  "hideControls": false,
+  "id": null,
+  "links": [],
+  "originalTitle": "Apache",
+  "refresh": "1m",
+  "rows": [
+    {
+      "collapse": false,
+      "editable": true,
+      "height": "250px",
+      "panels": [
+        {
+          "cacheTimeout": null,
+          "colorBackground": true,
+          "colorValue": false,
+          "colors": [
+            "rgba(71, 212, 59, 0.4)",
+            "rgba(241, 181, 37, 0.73)",
+            "rgba(225, 40, 40, 0.59)"
+          ],
+          "datasource": null,
+          "editable": true,
+          "error": false,
+          "format": "none",
+          "gauge": {
+            "maxValue": 100,
+            "minValue": 0,
+            "show": false,
+            "thresholdLabels": false,
+            "thresholdMarkers": true
+          },
+          "id": 11,
+          "interval": "> 60s",
+          "links": [],
+          "maxDataPoints": 100,
+          "nullPointMode": "connected",
+          "nullText": null,
+          "postfix": "",
+          "postfixFontSize": "50%",
+          "prefix": "",
+          "prefixFontSize": "50%",
+          "span": 3,
+          "sparkline": {
+            "fillColor": "rgba(31, 118, 189, 0.18)",
+            "full": false,
+            "lineColor": "rgb(31, 120, 193)",
+            "show": false
+          },
+          "targets": [
+            {
+              "column": "value",
+              "condition": "",
+              "dsType": "influxdb",
+              "fill": "",
+              "function": "last",
+              "groupBy": [
+                {
+                  "params": [
+                    "$interval"
+                  ],
+                  "type": "time"
+                },
+                {
+                  "params": [
+                    "null"
+                  ],
+                  "type": "fill"
+                }
+              ],
+              "groupByTags": [],
+              "groupby_field": "",
+              "interval": "",
+              "measurement": "cluster_status",
+              "policy": "default",
+              "query": "SELECT last(\"value\") FROM \"cluster_status\" WHERE \"cluster_name\" = 'apache' AND $timeFilter GROUP BY time($interval) fill(null)",
+              "rawQuery": false,
+              "refId": "A",
+              "resultFormat": "time_series",
+              "select": [
+                [
+                  {
+                    "params": [
+                      "value"
+                    ],
+                    "type": "field"
+                  },
+                  {
+                    "params": [],
+                    "type": "last"
+                  }
+                ]
+              ],
+              "tags": [
+                {
+                  "key": "environment_label",
+                  "operator": "=",
+                  "value": "$environment"
+                },
+                {
+                  "key": "cluster_name",
+                  "operator": "=",
+                  "value": "apache"
+                }
+              ]
+            }
+          ],
+          "thresholds": "1,3",
+          "title": "",
+          "type": "singlestat",
+          "valueFontSize": "80%",
+          "valueMaps": [
+            {
+              "op": "=",
+              "text": "no data",
+              "value": "null"
+            },
+            {
+              "op": "=",
+              "text": "OKAY",
+              "value": "0"
+            },
+            {
+              "op": "=",
+              "text": "WARN",
+              "value": "1"
+            },
+            {
+              "op": "=",
+              "text": "UNKN",
+              "value": "2"
+            },
+            {
+              "op": "=",
+              "text": "CRIT",
+              "value": "3"
+            },
+            {
+              "op": "=",
+              "text": "DOWN",
+              "value": "4"
+            }
+          ],
+          "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": 6,
+          "stack": false,
+          "steppedLine": false,
+          "targets": [
+            {
+              "column": "value",
+              "dsType": "influxdb",
+              "function": "mean",
+              "groupBy": [
+                {
+                  "params": [
+                    "$interval"
+                  ],
+                  "type": "time"
+                },
+                {
+                  "params": [
+                    "0"
+                  ],
+                  "type": "fill"
+                }
+              ],
+              "groupByTags": [],
+              "measurement": "apache_requests",
+              "policy": "default",
+              "query": "SELECT mean(\"value\") FROM \"apache_requests\" WHERE \"hostname\" = '$server' AND $timeFilter GROUP BY time($interval) fill(0)",
+              "rawQuery": false,
+              "refId": "A",
+              "resultFormat": "time_series",
+              "select": [
+                [
+                  {
+                    "params": [
+                      "value"
+                    ],
+                    "type": "field"
+                  },
+                  {
+                    "params": [],
+                    "type": "mean"
+                  }
+                ]
+              ],
+              "tags": [
+                {
+                  "key": "hostname",
+                  "value": "$server"
+                }
+              ]
+            }
+          ],
+          "timeFrom": null,
+          "timeShift": null,
+          "title": "Number of requests",
+          "tooltip": {
+            "msResolution": false,
+            "shared": false,
+            "value_type": "cumulative"
+          },
+          "type": "graph",
+          "xaxis": {
+            "show": true
+          },
+          "yaxes": [
+            {
+              "format": "short",
+              "label": "per second",
+              "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": 8,
+          "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": 9,
+          "stack": false,
+          "steppedLine": false,
+          "targets": [
+            {
+              "column": "value",
+              "dsType": "influxdb",
+              "function": "mean",
+              "groupBy": [
+                {
+                  "params": [
+                    "$interval"
+                  ],
+                  "type": "time"
+                },
+                {
+                  "params": [
+                    "0"
+                  ],
+                  "type": "fill"
+                }
+              ],
+              "groupByTags": [],
+              "measurement": "apache_bytes",
+              "policy": "default",
+              "query": "SELECT mean(\"value\") FROM \"apache_bytes\" WHERE \"hostname\" = '$server' AND $timeFilter GROUP BY time($interval) fill(0)",
+              "rawQuery": false,
+              "refId": "A",
+              "resultFormat": "time_series",
+              "select": [
+                [
+                  {
+                    "params": [
+                      "value"
+                    ],
+                    "type": "field"
+                  },
+                  {
+                    "params": [],
+                    "type": "mean"
+                  }
+                ]
+              ],
+              "tags": [
+                {
+                  "key": "hostname",
+                  "value": "$server"
+                }
+              ]
+            }
+          ],
+          "timeFrom": null,
+          "timeShift": null,
+          "title": "Bytes/s transmitted",
+          "tooltip": {
+            "msResolution": false,
+            "shared": true,
+            "value_type": "cumulative"
+          },
+          "type": "graph",
+          "xaxis": {
+            "show": true
+          },
+          "yaxes": [
+            {
+              "format": "bytes",
+              "label": "Bytes/s",
+              "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": false,
+            "total": false,
+            "values": false
+          },
+          "lines": true,
+          "linewidth": 1,
+          "links": [],
+          "nullPointMode": "connected",
+          "percentage": false,
+          "pointradius": 5,
+          "points": false,
+          "renderer": "flot",
+          "seriesOverrides": [],
+          "span": 9,
+          "stack": false,
+          "steppedLine": false,
+          "targets": [
+            {
+              "column": "value",
+              "dsType": "influxdb",
+              "function": "mean",
+              "groupBy": [
+                {
+                  "params": [
+                    "$interval"
+                  ],
+                  "type": "time"
+                },
+                {
+                  "params": [
+                    "0"
+                  ],
+                  "type": "fill"
+                }
+              ],
+              "groupByTags": [],
+              "measurement": "apache_connections",
+              "policy": "default",
+              "query": "SELECT mean(\"value\") FROM \"apache_connections\" WHERE \"hostname\" = '$server' AND $timeFilter GROUP BY time($interval) fill(0)",
+              "rawQuery": false,
+              "refId": "A",
+              "resultFormat": "time_series",
+              "select": [
+                [
+                  {
+                    "params": [
+                      "value"
+                    ],
+                    "type": "field"
+                  },
+                  {
+                    "params": [],
+                    "type": "mean"
+                  }
+                ]
+              ],
+              "tags": [
+                {
+                  "key": "hostname",
+                  "value": "$server"
+                }
+              ]
+            }
+          ],
+          "timeFrom": null,
+          "timeShift": null,
+          "title": "Number of connections",
+          "tooltip": {
+            "msResolution": false,
+            "shared": true,
+            "value_type": "cumulative"
+          },
+          "type": "graph",
+          "xaxis": {
+            "show": true
+          },
+          "yaxes": [
+            {
+              "format": "short",
+              "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": [],
+          "maxDataPoints": 100,
+          "nullPointMode": "connected",
+          "nullText": null,
+          "postfix": "",
+          "postfixFontSize": "50%",
+          "prefix": "",
+          "prefixFontSize": "50%",
+          "span": 3,
+          "sparkline": {
+            "fillColor": "rgba(31, 118, 189, 0.18)",
+            "full": false,
+            "lineColor": "rgb(31, 120, 193)",
+            "show": true
+          },
+          "targets": [
+            {
+              "column": "value",
+              "dsType": "influxdb",
+              "function": "last",
+              "groupBy": [
+                {
+                  "params": [
+                    "$interval"
+                  ],
+                  "type": "time"
+                },
+                {
+                  "params": [
+                    "null"
+                  ],
+                  "type": "fill"
+                }
+              ],
+              "groupByTags": [],
+              "measurement": "apache_connections",
+              "policy": "default",
+              "query": "SELECT last(\"value\") FROM \"apache_connections\" WHERE \"hostname\" = '$server' AND $timeFilter GROUP BY time($interval) fill(null)",
+              "rawQuery": false,
+              "refId": "A",
+              "resultFormat": "time_series",
+              "select": [
+                [
+                  {
+                    "params": [
+                      "value"
+                    ],
+                    "type": "field"
+                  },
+                  {
+                    "params": [],
+                    "type": "last"
+                  }
+                ]
+              ],
+              "tags": [
+                {
+                  "key": "hostname",
+                  "value": "$server"
+                }
+              ]
+            }
+          ],
+          "thresholds": "",
+          "title": "Current connections",
+          "type": "singlestat",
+          "valueFontSize": "80%",
+          "valueMaps": [
+            {
+              "op": "=",
+              "text": "N/A",
+              "value": "null"
+            }
+          ],
+          "valueName": "current"
+        },
+        {
+          "aliasColors": {},
+          "bars": false,
+          "datasource": null,
+          "decimals": null,
+          "editable": true,
+          "error": false,
+          "fill": 1,
+          "grid": {
+            "threshold1": null,
+            "threshold1Color": "rgba(216, 200, 27, 0.27)",
+            "threshold2": null,
+            "threshold2Color": "rgba(234, 112, 112, 0.22)"
+          },
+          "id": 1,
+          "interval": "> 60s",
+          "legend": {
+            "alignAsTable": true,
+            "avg": false,
+            "current": false,
+            "max": false,
+            "min": false,
+            "rightSide": true,
+            "show": true,
+            "total": false,
+            "values": false
+          },
+          "lines": true,
+          "linewidth": 1,
+          "links": [],
+          "nullPointMode": "connected",
+          "percentage": false,
+          "pointradius": 5,
+          "points": false,
+          "renderer": "flot",
+          "seriesOverrides": [],
+          "span": 9,
+          "stack": false,
+          "steppedLine": false,
+          "targets": [
+            {
+              "alias": "$m",
+              "column": "value",
+              "dsType": "influxdb",
+              "function": "mean",
+              "groupBy": [
+                {
+                  "params": [
+                    "$interval"
+                  ],
+                  "type": "time"
+                },
+                {
+                  "params": [
+                    "0"
+                  ],
+                  "type": "fill"
+                }
+              ],
+              "groupByTags": [],
+              "measurement": "/apache_workers/",
+              "policy": "default",
+              "query": "SELECT mean(\"value\") FROM /apache_workers/ WHERE \"hostname\" = '$server' AND $timeFilter GROUP BY time($interval) fill(0)",
+              "rawQuery": false,
+              "refId": "A",
+              "resultFormat": "time_series",
+              "select": [
+                [
+                  {
+                    "params": [
+                      "value"
+                    ],
+                    "type": "field"
+                  },
+                  {
+                    "params": [],
+                    "type": "mean"
+                  }
+                ]
+              ],
+              "tags": [
+                {
+                  "key": "hostname",
+                  "value": "$server"
+                }
+              ]
+            }
+          ],
+          "timeFrom": null,
+          "timeShift": null,
+          "title": "Workers states",
+          "tooltip": {
+            "msResolution": false,
+            "shared": true,
+            "value_type": "individual"
+          },
+          "transparent": false,
+          "type": "graph",
+          "xaxis": {
+            "show": true
+          },
+          "yaxes": [
+            {
+              "format": "short",
+              "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": 4,
+          "interval": "> 60s",
+          "links": [],
+          "maxDataPoints": 100,
+          "nullPointMode": "connected",
+          "nullText": null,
+          "postfix": "",
+          "postfixFontSize": "50%",
+          "prefix": "",
+          "prefixFontSize": "50%",
+          "span": 3,
+          "sparkline": {
+            "fillColor": "rgba(31, 118, 189, 0.18)",
+            "full": false,
+            "lineColor": "rgb(31, 120, 193)",
+            "show": true
+          },
+          "targets": [
+            {
+              "column": "value",
+              "dsType": "influxdb",
+              "function": "last",
+              "groupBy": [
+                {
+                  "params": [
+                    "$interval"
+                  ],
+                  "type": "time"
+                },
+                {
+                  "params": [
+                    "null"
+                  ],
+                  "type": "fill"
+                }
+              ],
+              "groupByTags": [],
+              "measurement": "apache_idle_workers",
+              "policy": "default",
+              "query": "SELECT last(\"value\") FROM \"apache_idle_workers\" WHERE \"hostname\" = '$server' AND $timeFilter GROUP BY time($interval) fill(null)",
+              "rawQuery": false,
+              "refId": "A",
+              "resultFormat": "time_series",
+              "select": [
+                [
+                  {
+                    "params": [
+                      "value"
+                    ],
+                    "type": "field"
+                  },
+                  {
+                    "params": [],
+                    "type": "last"
+                  }
+                ]
+              ],
+              "tags": [
+                {
+                  "key": "hostname",
+                  "value": "$server"
+                }
+              ]
+            }
+          ],
+          "thresholds": "",
+          "title": "Current Idle Workers",
+          "type": "singlestat",
+          "valueFontSize": "80%",
+          "valueMaps": [
+            {
+              "op": "=",
+              "text": "N/A",
+              "value": "null"
+            }
+          ],
+          "valueName": "current"
+        }
+      ],
+      "title": "Metrics"
+    }
+  ],
+  "schemaVersion": 12,
+  "sharedCrosshair": true,
+  "style": "dark",
+  "tags": [],
+  "templating": {
+    "enable": true,
+    "list": [
+      {
+        "allFormat": "regex values",
+        "current": {},
+        "datasource": null,
+        "hide": 0,
+        "includeAll": false,
+        "name": "environment",
+        "options": [],
+        "query": "show tag values from cpu_idle with key = environment_label",
+        "refresh": 1,
+        "refresh_on_load": true,
+        "regex": "",
+        "type": "query"
+      },
+      {
+        "allFormat": "glob",
+        "current": {},
+        "datasource": null,
+        "hide": 0,
+        "includeAll": false,
+        "name": "server",
+        "options": [],
+        "query": "show tag values from apache_requests with key = hostname where environment_label =~ /^$environment$/",
+        "refresh": 1,
+        "refresh_on_load": true,
+        "regex": "",
+        "type": "query"
+      }
+    ]
+  },
+  "time": {
+    "from": "now-1h",
+    "to": "now"
+  },
+  "timepicker": {
+    "collapse": false,
+    "enable": true,
+    "notice": false,
+    "now": true,
+    "refresh_intervals": [
+      "5s",
+      "10s",
+      "30s",
+      "1m",
+      "5m",
+      "15m",
+      "30m",
+      "1h",
+      "2h",
+      "1d"
+    ],
+    "status": "Stable",
+    "time_options": [
+      "5m",
+      "15m",
+      "1h",
+      "6h",
+      "12h",
+      "24h",
+      "2d",
+      "7d",
+      "30d"
+    ],
+    "type": "timepicker"
+  },
+  "timezone": "browser",
+  "title": "Apache",
+  "version": 2
+}
diff --git a/apache/meta/grafana.yml b/apache/meta/grafana.yml
new file mode 100644
index 0000000..40dfce3
--- /dev/null
+++ b/apache/meta/grafana.yml
@@ -0,0 +1,19 @@
+dashboard:
+  apache:
+    format: json
+    template: apache/files/grafana_dashboards/apache_influxdb.json
+  main:
+    row:
+      ost-middleware:
+        title: Middleware
+        panel:
+          apache:
+            title: Apache
+            links:
+            - dashboard: Apache
+              title: Apache
+              type: dashboard
+            target:
+              cluster_status:
+                rawQuery: true
+                query: SELECT last(value) FROM cluster_status WHERE cluster_name = 'apache' AND environment_label = '$environment' AND $timeFilter GROUP BY time($interval) fill(null)
diff --git a/metadata/service/support.yml b/metadata/service/support.yml
index e703788..903e306 100644
--- a/metadata/service/support.yml
+++ b/metadata/service/support.yml
@@ -11,3 +11,5 @@
         enabled: true
       iptables:
         enabled: true
+      grafana:
+        enabled: true