grafana/pkg/services/alerting/extractor_test.go
2019-05-20 12:13:32 +02:00

283 lines
8.6 KiB
Go

package alerting
import (
"io/ioutil"
"testing"
"time"
"github.com/grafana/grafana/pkg/bus"
"github.com/grafana/grafana/pkg/components/simplejson"
"github.com/grafana/grafana/pkg/models"
"github.com/grafana/grafana/pkg/services/sqlstore"
. "github.com/smartystreets/goconvey/convey"
)
func TestAlertRuleExtraction(t *testing.T) {
Convey("Parsing alert rules from dashboard json", t, func() {
RegisterCondition("query", func(model *simplejson.Json, index int) (Condition, error) {
return &FakeCondition{}, nil
})
// mock data
defaultDs := &models.DataSource{Id: 12, OrgId: 1, Name: "I am default", IsDefault: true}
graphite2Ds := &models.DataSource{Id: 15, OrgId: 1, Name: "graphite2"}
influxDBDs := &models.DataSource{Id: 16, OrgId: 1, Name: "InfluxDB"}
prom := &models.DataSource{Id: 17, OrgId: 1, Name: "Prometheus"}
bus.AddHandler("test", func(query *models.GetDataSourcesQuery) error {
query.Result = []*models.DataSource{defaultDs, graphite2Ds}
return nil
})
bus.AddHandler("test", func(query *models.GetDataSourceByNameQuery) error {
if query.Name == defaultDs.Name {
query.Result = defaultDs
}
if query.Name == graphite2Ds.Name {
query.Result = graphite2Ds
}
if query.Name == influxDBDs.Name {
query.Result = influxDBDs
}
if query.Name == prom.Name {
query.Result = prom
}
return nil
})
json, err := ioutil.ReadFile("./testdata/graphite-alert.json")
So(err, ShouldBeNil)
Convey("Extractor should not modify the original json", func() {
dashJSON, err := simplejson.NewJson(json)
So(err, ShouldBeNil)
dash := models.NewDashboardFromJson(dashJSON)
getTarget := func(j *simplejson.Json) string {
rowObj := j.Get("rows").MustArray()[0]
row := simplejson.NewFromAny(rowObj)
panelObj := row.Get("panels").MustArray()[0]
panel := simplejson.NewFromAny(panelObj)
conditionObj := panel.Get("alert").Get("conditions").MustArray()[0]
condition := simplejson.NewFromAny(conditionObj)
return condition.Get("query").Get("model").Get("target").MustString()
}
Convey("Dashboard json rows.panels.alert.query.model.target should be empty", func() {
So(getTarget(dashJSON), ShouldEqual, "")
})
extractor := NewDashAlertExtractor(dash, 1, nil)
_, _ = extractor.GetAlerts()
Convey("Dashboard json should not be updated after extracting rules", func() {
So(getTarget(dashJSON), ShouldEqual, "")
})
})
Convey("Parsing and validating dashboard containing graphite alerts", func() {
dashJSON, err := simplejson.NewJson(json)
So(err, ShouldBeNil)
dash := models.NewDashboardFromJson(dashJSON)
extractor := NewDashAlertExtractor(dash, 1, nil)
alerts, err := extractor.GetAlerts()
Convey("Get rules without error", func() {
So(err, ShouldBeNil)
})
Convey("all properties have been set", func() {
So(len(alerts), ShouldEqual, 2)
for _, v := range alerts {
So(v.DashboardId, ShouldEqual, 57)
So(v.Name, ShouldNotBeEmpty)
So(v.Message, ShouldNotBeEmpty)
settings := simplejson.NewFromAny(v.Settings)
So(settings.Get("interval").MustString(""), ShouldEqual, "")
}
Convey("should extract handler property", func() {
So(alerts[0].Handler, ShouldEqual, 1)
So(alerts[1].Handler, ShouldEqual, 0)
})
Convey("should extract frequency in seconds", func() {
So(alerts[0].Frequency, ShouldEqual, 60)
So(alerts[1].Frequency, ShouldEqual, 60)
})
Convey("should extract panel idc", func() {
So(alerts[0].PanelId, ShouldEqual, 3)
So(alerts[1].PanelId, ShouldEqual, 4)
})
Convey("should extract for param", func() {
So(alerts[0].For, ShouldEqual, time.Minute*2)
So(alerts[1].For, ShouldEqual, time.Duration(0))
})
Convey("should extract name and desc", func() {
So(alerts[0].Name, ShouldEqual, "name1")
So(alerts[0].Message, ShouldEqual, "desc1")
So(alerts[1].Name, ShouldEqual, "name2")
So(alerts[1].Message, ShouldEqual, "desc2")
})
Convey("should set datasourceId", func() {
condition := simplejson.NewFromAny(alerts[0].Settings.Get("conditions").MustArray()[0])
query := condition.Get("query")
So(query.Get("datasourceId").MustInt64(), ShouldEqual, 12)
})
Convey("should copy query model to condition", func() {
condition := simplejson.NewFromAny(alerts[0].Settings.Get("conditions").MustArray()[0])
model := condition.Get("query").Get("model")
So(model.Get("target").MustString(), ShouldEqual, "aliasByNode(statsd.fakesite.counters.session_start.desktop.count, 4)")
})
})
})
Convey("Panels missing id should return error", func() {
panelWithoutID, err := ioutil.ReadFile("./testdata/panels-missing-id.json")
So(err, ShouldBeNil)
dashJSON, err := simplejson.NewJson(panelWithoutID)
So(err, ShouldBeNil)
dash := models.NewDashboardFromJson(dashJSON)
extractor := NewDashAlertExtractor(dash, 1, nil)
_, err = extractor.GetAlerts()
Convey("panels without Id should return error", func() {
So(err, ShouldNotBeNil)
})
})
Convey("Panel with id set to zero should return error", func() {
panelWithIDZero, err := ioutil.ReadFile("./testdata/panel-with-id-0.json")
So(err, ShouldBeNil)
dashJSON, err := simplejson.NewJson(panelWithIDZero)
So(err, ShouldBeNil)
dash := models.NewDashboardFromJson(dashJSON)
extractor := NewDashAlertExtractor(dash, 1, nil)
_, err = extractor.GetAlerts()
Convey("panel with id 0 should return error", func() {
So(err, ShouldNotBeNil)
})
})
Convey("Parse alerts from dashboard without rows", func() {
json, err := ioutil.ReadFile("./testdata/v5-dashboard.json")
So(err, ShouldBeNil)
dashJSON, err := simplejson.NewJson(json)
So(err, ShouldBeNil)
dash := models.NewDashboardFromJson(dashJSON)
extractor := NewDashAlertExtractor(dash, 1, nil)
alerts, err := extractor.GetAlerts()
Convey("Get rules without error", func() {
So(err, ShouldBeNil)
})
Convey("Should have 2 alert rule", func() {
So(len(alerts), ShouldEqual, 2)
})
})
Convey("Alert notifications are in DB", func() {
sqlstore.InitTestDB(t)
firstNotification := models.CreateAlertNotificationCommand{Uid: "notifier1", OrgId: 1, Name: "1"}
err = sqlstore.CreateAlertNotificationCommand(&firstNotification)
So(err, ShouldBeNil)
secondNotification := models.CreateAlertNotificationCommand{Uid: "notifier2", OrgId: 1, Name: "2"}
err = sqlstore.CreateAlertNotificationCommand(&secondNotification)
So(err, ShouldBeNil)
Convey("Parse and validate dashboard containing influxdb alert", func() {
json, err := ioutil.ReadFile("./testdata/influxdb-alert.json")
So(err, ShouldBeNil)
dashJSON, err := simplejson.NewJson(json)
So(err, ShouldBeNil)
dash := models.NewDashboardFromJson(dashJSON)
extractor := NewDashAlertExtractor(dash, 1, nil)
alerts, err := extractor.GetAlerts()
Convey("Get rules without error", func() {
So(err, ShouldBeNil)
})
Convey("should be able to read interval", func() {
So(len(alerts), ShouldEqual, 1)
for _, alert := range alerts {
So(alert.DashboardId, ShouldEqual, 4)
conditions := alert.Settings.Get("conditions").MustArray()
cond := simplejson.NewFromAny(conditions[0])
So(cond.Get("query").Get("model").Get("interval").MustString(), ShouldEqual, ">10s")
}
})
})
Convey("Should be able to extract collapsed panels", func() {
json, err := ioutil.ReadFile("./testdata/collapsed-panels.json")
So(err, ShouldBeNil)
dashJSON, err := simplejson.NewJson(json)
So(err, ShouldBeNil)
dash := models.NewDashboardFromJson(dashJSON)
extractor := NewDashAlertExtractor(dash, 1, nil)
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)
})
})
Convey("Parse and validate dashboard without id and containing an alert", func() {
json, err := ioutil.ReadFile("./testdata/dash-without-id.json")
So(err, ShouldBeNil)
dashJSON, err := simplejson.NewJson(json)
So(err, ShouldBeNil)
dash := models.NewDashboardFromJson(dashJSON)
extractor := NewDashAlertExtractor(dash, 1, nil)
err = extractor.ValidateAlerts()
Convey("Should validate without error", func() {
So(err, ShouldBeNil)
})
Convey("Should fail on save", func() {
_, err := extractor.GetAlerts()
So(err.Error(), ShouldEqual, "Alert validation error: Panel id is not correct, alertName=Influxdb, panelId=1")
})
})
})
})
}