alerting: supports extracting alerts from collapsed panels

collapsed rows wrap the hidden rows within itself. This caused
the extractor to miss the panel and therefore delete the alert
accosiated with the graph.

closes #11222

pkg/services/alerting/extractor.go

@@ -74,6 +74,21 @@ func (e *DashAlertExtractor) GetAlertFromPanels(jsonWithPanels *simplejson.Json)
 
 	for _, panelObj := range jsonWithPanels.Get("panels").MustArray() {
 		panel := simplejson.NewFromAny(panelObj)
+
+		collapsedJson, collapsed := panel.CheckGet("collapsed")
+		// check if the panel is collapsed
+		if collapsed && collapsedJson.MustBool() {
+
+			// extract alerts from sub panels for collapsed panels
+			als, err := e.GetAlertFromPanels(panel)
+			if err != nil {
+				return nil, err
+			}
+
+			alerts = append(alerts, als...)
+			continue
+		}
+
 		jsonAlert, hasAlert := panel.CheckGet("alert")
 
 		if !hasAlert {

pkg/services/alerting/extractor_test.go

@@ -22,6 +22,7 @@ func TestAlertRuleExtraction(t *testing.T) {
 		defaultDs := &m.DataSource{Id: 12, OrgId: 1, Name: "I am default", IsDefault: true}
 		graphite2Ds := &m.DataSource{Id: 15, OrgId: 1, Name: "graphite2"}
 		influxDBDs := &m.DataSource{Id: 16, OrgId: 1, Name: "InfluxDB"}
+		prom := &m.DataSource{Id: 17, OrgId: 1, Name: "Prometheus"}
 
 		bus.AddHandler("test", func(query *m.GetDataSourcesQuery) error {
 			query.Result = []*m.DataSource{defaultDs, graphite2Ds}
@@ -38,6 +39,10 @@ func TestAlertRuleExtraction(t *testing.T) {
 			if query.Name == influxDBDs.Name {
 				query.Result = influxDBDs
 			}
+			if query.Name == prom.Name {
+				query.Result = prom
+			}
+
 			return nil
 		})
 
@@ -214,5 +219,26 @@ func TestAlertRuleExtraction(t *testing.T) {
 				}
 			})
 		})
+
+		Convey("Should be able to extract collapsed panels", func() {
+			json, err := ioutil.ReadFile("./test-data/collapsed-panels.json")
+			So(err, ShouldBeNil)
+
+			dashJson, err := simplejson.NewJson(json)
+			So(err, ShouldBeNil)
+
+			dash := m.NewDashboardFromJson(dashJson)
+			extractor := NewDashAlertExtractor(dash, 1)
+
+			alerts, err := extractor.GetAlerts()
+
+			Convey("Get rules without error", func() {
+				So(err, ShouldBeNil)
+			})
+
+			Convey("should be able to extract collapsed alerts", func() {
+				So(len(alerts), ShouldEqual, 4)
+			})
+		})
 	})
 }

pkg/services/alerting/test-data/collapsed-panels.json

@@ -0,0 +1,597 @@
+{
+  "annotations": {
+    "list": [
+      {
+        "builtIn": 1,
+        "datasource": "-- Grafana --",
+        "enable": true,
+        "hide": true,
+        "iconColor": "rgba(0, 211, 255, 1)",
+        "name": "Annotations & Alerts",
+        "type": "dashboard"
+      }
+    ]
+  },
+  "editable": true,
+  "gnetId": null,
+  "graphTooltip": 0,
+  "id": 127,
+  "links": [],
+  "panels": [
+    {
+      "gridPos": {
+        "h": 1,
+        "w": 24,
+        "x": 0,
+        "y": 0
+      },
+      "id": 9,
+      "title": "Row title",
+      "type": "row"
+    },
+    {
+      "alert": {
+        "conditions": [
+          {
+            "evaluator": {
+              "params": [
+                200
+              ],
+              "type": "gt"
+            },
+            "operator": {
+              "type": "and"
+            },
+            "query": {
+              "params": [
+                "A",
+                "5m",
+                "now"
+              ]
+            },
+            "reducer": {
+              "params": [],
+              "type": "avg"
+            },
+            "type": "query"
+          }
+        ],
+        "executionErrorState": "alerting",
+        "frequency": "10s",
+        "handler": 1,
+        "name": "Panel Title alert",
+        "noDataState": "no_data",
+        "notifications": []
+      },
+      "aliasColors": {},
+      "bars": false,
+      "dashLength": 10,
+      "dashes": false,
+      "datasource": "Prometheus",
+      "fill": 1,
+      "gridPos": {
+        "h": 9,
+        "w": 12,
+        "x": 0,
+        "y": 1
+      },
+      "id": 10,
+      "legend": {
+        "avg": false,
+        "current": false,
+        "max": false,
+        "min": false,
+        "show": true,
+        "total": false,
+        "values": false
+      },
+      "lines": true,
+      "linewidth": 1,
+      "nullPointMode": "null",
+      "percentage": false,
+      "pointradius": 5,
+      "points": false,
+      "renderer": "flot",
+      "seriesOverrides": [],
+      "spaceLength": 10,
+      "stack": false,
+      "steppedLine": false,
+      "targets": [
+        {
+          "expr": "go_goroutines",
+          "format": "time_series",
+          "intervalFactor": 1,
+          "legendFormat": "{{job}}",
+          "refId": "A"
+        }
+      ],
+      "thresholds": [
+        {
+          "colorMode": "critical",
+          "fill": true,
+          "line": true,
+          "op": "gt",
+          "value": 200
+        }
+      ],
+      "timeFrom": null,
+      "timeShift": null,
+      "title": "Panel Title",
+      "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": null,
+          "show": true
+        },
+        {
+          "format": "short",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        }
+      ]
+    },
+    {
+      "gridPos": {
+        "h": 9,
+        "w": 12,
+        "x": 12,
+        "y": 1
+      },
+      "id": 14,
+      "limit": 10,
+      "links": [],
+      "onlyAlertsOnDashboard": true,
+      "show": "current",
+      "sortOrder": 1,
+      "stateFilter": [],
+      "title": "Panel Title",
+      "type": "alertlist"
+    },
+    {
+      "collapsed": true,
+      "gridPos": {
+        "h": 1,
+        "w": 24,
+        "x": 0,
+        "y": 10
+      },
+      "id": 6,
+      "panels": [
+        {
+          "alert": {
+            "conditions": [
+              {
+                "evaluator": {
+                  "params": [
+                    200
+                  ],
+                  "type": "gt"
+                },
+                "operator": {
+                  "type": "and"
+                },
+                "query": {
+                  "params": [
+                    "A",
+                    "5m",
+                    "now"
+                  ]
+                },
+                "reducer": {
+                  "params": [],
+                  "type": "avg"
+                },
+                "type": "query"
+              }
+            ],
+            "executionErrorState": "alerting",
+            "frequency": "10s",
+            "handler": 1,
+            "name": "Panel 2 alert",
+            "noDataState": "no_data",
+            "notifications": []
+          },
+          "aliasColors": {},
+          "bars": false,
+          "dashLength": 10,
+          "dashes": false,
+          "datasource": "Prometheus",
+          "fill": 1,
+          "gridPos": {
+            "h": 9,
+            "w": 12,
+            "x": 0,
+            "y": 11
+          },
+          "id": 11,
+          "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,
+          "stack": false,
+          "steppedLine": false,
+          "targets": [
+            {
+              "expr": "go_goroutines",
+              "format": "time_series",
+              "intervalFactor": 1,
+              "legendFormat": "{{job}}",
+              "refId": "A"
+            }
+          ],
+          "thresholds": [
+            {
+              "colorMode": "critical",
+              "fill": true,
+              "line": true,
+              "op": "gt",
+              "value": 200
+            }
+          ],
+          "timeFrom": null,
+          "timeShift": null,
+          "title": "Panel 2",
+          "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": null,
+              "show": true
+            },
+            {
+              "format": "short",
+              "label": null,
+              "logBase": 1,
+              "max": null,
+              "min": null,
+              "show": true
+            }
+          ]
+        },
+        {
+          "alert": {
+            "conditions": [
+              {
+                "evaluator": {
+                  "params": [
+                    200
+                  ],
+                  "type": "gt"
+                },
+                "operator": {
+                  "type": "and"
+                },
+                "query": {
+                  "params": [
+                    "A",
+                    "5m",
+                    "now"
+                  ]
+                },
+                "reducer": {
+                  "params": [],
+                  "type": "avg"
+                },
+                "type": "query"
+              }
+            ],
+            "executionErrorState": "alerting",
+            "frequency": "10s",
+            "handler": 1,
+            "name": "Panel 4 alert",
+            "noDataState": "no_data",
+            "notifications": []
+          },
+          "aliasColors": {},
+          "bars": false,
+          "dashLength": 10,
+          "dashes": false,
+          "datasource": "Prometheus",
+          "fill": 1,
+          "gridPos": {
+            "h": 9,
+            "w": 12,
+            "x": 12,
+            "y": 11
+          },
+          "id": 15,
+          "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,
+          "stack": false,
+          "steppedLine": false,
+          "targets": [
+            {
+              "expr": "go_goroutines",
+              "format": "time_series",
+              "intervalFactor": 1,
+              "legendFormat": "{{job}}",
+              "refId": "A"
+            }
+          ],
+          "thresholds": [
+            {
+              "colorMode": "critical",
+              "fill": true,
+              "line": true,
+              "op": "gt",
+              "value": 200
+            }
+          ],
+          "timeFrom": null,
+          "timeShift": null,
+          "title": "Panel 4",
+          "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": null,
+              "show": true
+            },
+            {
+              "format": "short",
+              "label": null,
+              "logBase": 1,
+              "max": null,
+              "min": null,
+              "show": true
+            }
+          ]
+        }
+      ],
+      "title": "Row title",
+      "type": "row"
+    },
+    {
+      "gridPos": {
+        "h": 1,
+        "w": 24,
+        "x": 0,
+        "y": 11
+      },
+      "id": 4,
+      "title": "Row title",
+      "type": "row"
+    },
+    {
+      "alert": {
+        "conditions": [
+          {
+            "evaluator": {
+              "params": [
+                200
+              ],
+              "type": "gt"
+            },
+            "operator": {
+              "type": "and"
+            },
+            "query": {
+              "params": [
+                "A",
+                "5m",
+                "now"
+              ]
+            },
+            "reducer": {
+              "params": [],
+              "type": "avg"
+            },
+            "type": "query"
+          }
+        ],
+        "executionErrorState": "alerting",
+        "frequency": "10s",
+        "handler": 1,
+        "name": "Panel 3 alert",
+        "noDataState": "no_data",
+        "notifications": []
+      },
+      "aliasColors": {},
+      "bars": false,
+      "dashLength": 10,
+      "dashes": false,
+      "datasource": "Prometheus",
+      "fill": 1,
+      "gridPos": {
+        "h": 9,
+        "w": 12,
+        "x": 0,
+        "y": 12
+      },
+      "id": 12,
+      "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,
+      "stack": false,
+      "steppedLine": false,
+      "targets": [
+        {
+          "expr": "go_goroutines",
+          "format": "time_series",
+          "intervalFactor": 1,
+          "legendFormat": "{{job}}",
+          "refId": "A"
+        }
+      ],
+      "thresholds": [
+        {
+          "colorMode": "critical",
+          "fill": true,
+          "line": true,
+          "op": "gt",
+          "value": 200
+        }
+      ],
+      "timeFrom": null,
+      "timeShift": null,
+      "title": "Panel 3",
+      "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": null,
+          "show": true
+        },
+        {
+          "format": "short",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        }
+      ]
+    }
+  ],
+  "schemaVersion": 16,
+  "style": "dark",
+  "tags": [],
+  "templating": {
+    "list": []
+  },
+  "time": {
+    "from": "now-6h",
+    "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": "",
+  "title": "New dashboard Copy",
+  "uid": "6v5pg36zk",
+  "version": 17
+}