mirror of
https://github.com/grafana/grafana.git
synced 2024-11-29 20:24:18 -06:00
384 lines
12 KiB
Go
384 lines
12 KiB
Go
package alerting
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import (
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"context"
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"errors"
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"os"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"github.com/grafana/grafana/pkg/components/simplejson"
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"github.com/grafana/grafana/pkg/infra/db/dbtest"
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"github.com/grafana/grafana/pkg/infra/localcache"
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"github.com/grafana/grafana/pkg/services/alerting/models"
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"github.com/grafana/grafana/pkg/services/dashboards"
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"github.com/grafana/grafana/pkg/services/datasources"
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"github.com/grafana/grafana/pkg/services/datasources/permissions"
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"github.com/grafana/grafana/pkg/services/sqlstore"
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"github.com/grafana/grafana/pkg/setting"
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)
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func TestAlertRuleExtraction(t *testing.T) {
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RegisterCondition("query", func(model *simplejson.Json, index int) (Condition, error) {
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return &FakeCondition{}, nil
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})
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// mock data
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defaultDs := &datasources.DataSource{Id: 12, OrgId: 1, Name: "I am default", IsDefault: true, Uid: "def-uid"}
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graphite2Ds := &datasources.DataSource{Id: 15, OrgId: 1, Name: "graphite2", Uid: "graphite2-uid"}
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json, err := os.ReadFile("./testdata/graphite-alert.json")
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require.Nil(t, err)
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dsPermissions := permissions.NewMockDatasourcePermissionService()
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dsPermissions.DsResult = []*datasources.DataSource{
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{
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Id: 1,
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},
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}
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dsService := &fakeDatasourceService{ExpectedDatasource: defaultDs}
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db := dbtest.NewFakeDB()
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store := ProvideAlertStore(db, localcache.ProvideService(), &setting.Cfg{}, nil)
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extractor := ProvideDashAlertExtractorService(dsPermissions, dsService, store)
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t.Run("Parsing alert rules from dashboard json", func(t *testing.T) {
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dashJSON, err := simplejson.NewJson(json)
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require.Nil(t, err)
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getTarget := func(j *simplejson.Json) string {
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rowObj := j.Get("rows").MustArray()[0]
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row := simplejson.NewFromAny(rowObj)
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panelObj := row.Get("panels").MustArray()[0]
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panel := simplejson.NewFromAny(panelObj)
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conditionObj := panel.Get("alert").Get("conditions").MustArray()[0]
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condition := simplejson.NewFromAny(conditionObj)
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return condition.Get("query").Get("model").Get("target").MustString()
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}
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require.Equal(t, getTarget(dashJSON), "")
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_, _ = extractor.GetAlerts(context.Background(), DashAlertInfo{
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User: nil,
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Dash: dashboards.NewDashboardFromJson(dashJSON),
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OrgID: 1,
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})
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require.Equal(t, getTarget(dashJSON), "")
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})
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t.Run("Parsing and validating dashboard containing graphite alerts", func(t *testing.T) {
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dashJSON, err := simplejson.NewJson(json)
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require.Nil(t, err)
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dsService.ExpectedDatasource = &datasources.DataSource{Id: 12}
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alerts, err := extractor.GetAlerts(context.Background(), DashAlertInfo{
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User: nil,
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Dash: dashboards.NewDashboardFromJson(dashJSON),
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OrgID: 1,
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})
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require.Nil(t, err)
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require.Len(t, alerts, 2)
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for _, v := range alerts {
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require.EqualValues(t, v.DashboardId, 57)
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require.NotEmpty(t, v.Name)
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require.NotEmpty(t, v.Message)
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settings := simplejson.NewFromAny(v.Settings)
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require.Equal(t, settings.Get("interval").MustString(""), "")
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}
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require.EqualValues(t, alerts[0].Handler, 1)
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require.EqualValues(t, alerts[1].Handler, 0)
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require.EqualValues(t, alerts[0].Frequency, 60)
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require.EqualValues(t, alerts[1].Frequency, 60)
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require.EqualValues(t, alerts[0].PanelId, 3)
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require.EqualValues(t, alerts[1].PanelId, 4)
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require.Equal(t, alerts[0].For, time.Minute*2)
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require.Equal(t, alerts[1].For, time.Duration(0))
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require.Equal(t, alerts[0].Name, "name1")
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require.Equal(t, alerts[0].Message, "desc1")
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require.Equal(t, alerts[1].Name, "name2")
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require.Equal(t, alerts[1].Message, "desc2")
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condition := simplejson.NewFromAny(alerts[0].Settings.Get("conditions").MustArray()[0])
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query := condition.Get("query")
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require.EqualValues(t, query.Get("datasourceId").MustInt64(), 12)
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condition = simplejson.NewFromAny(alerts[0].Settings.Get("conditions").MustArray()[0])
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model := condition.Get("query").Get("model")
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require.Equal(t, model.Get("target").MustString(), "aliasByNode(statsd.fakesite.counters.session_start.desktop.count, 4)")
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})
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t.Run("Panels missing id should return error", func(t *testing.T) {
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panelWithoutID, err := os.ReadFile("./testdata/panels-missing-id.json")
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require.Nil(t, err)
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dashJSON, err := simplejson.NewJson(panelWithoutID)
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require.Nil(t, err)
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_, err = extractor.GetAlerts(context.Background(), DashAlertInfo{
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User: nil,
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Dash: dashboards.NewDashboardFromJson(dashJSON),
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OrgID: 1,
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})
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require.NotNil(t, err)
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})
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t.Run("Panels missing id should return error", func(t *testing.T) {
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panelWithIDZero, err := os.ReadFile("./testdata/panel-with-id-0.json")
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require.Nil(t, err)
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dashJSON, err := simplejson.NewJson(panelWithIDZero)
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require.Nil(t, err)
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_, err = extractor.GetAlerts(context.Background(), DashAlertInfo{
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User: nil,
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Dash: dashboards.NewDashboardFromJson(dashJSON),
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OrgID: 1,
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})
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require.NotNil(t, err)
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})
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t.Run("Cannot save panel with query that is referenced by legacy alerting", func(t *testing.T) {
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panelWithQuery, err := os.ReadFile("./testdata/panel-with-bad-query-id.json")
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require.Nil(t, err)
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dashJSON, err := simplejson.NewJson(panelWithQuery)
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require.Nil(t, err)
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_, err = extractor.GetAlerts(WithUAEnabled(context.Background(), true), DashAlertInfo{
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User: nil,
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Dash: dashboards.NewDashboardFromJson(dashJSON),
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OrgID: 1,
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})
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require.Equal(t, "alert validation error: Alert on PanelId: 2 refers to query(B) that cannot be found. Legacy alerting queries are not able to be removed at this time in order to preserve the ability to rollback to previous versions of Grafana", err.Error())
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})
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t.Run("Panel does not have datasource configured, use the default datasource", func(t *testing.T) {
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panelWithoutSpecifiedDatasource, err := os.ReadFile("./testdata/panel-without-specified-datasource.json")
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require.Nil(t, err)
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dashJSON, err := simplejson.NewJson(panelWithoutSpecifiedDatasource)
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require.Nil(t, err)
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dsService.ExpectedDatasource = &datasources.DataSource{Id: 12}
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alerts, err := extractor.GetAlerts(context.Background(), DashAlertInfo{
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User: nil,
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Dash: dashboards.NewDashboardFromJson(dashJSON),
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OrgID: 1,
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})
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require.Nil(t, err)
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condition := simplejson.NewFromAny(alerts[0].Settings.Get("conditions").MustArray()[0])
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query := condition.Get("query")
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require.EqualValues(t, query.Get("datasourceId").MustInt64(), 12)
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})
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t.Run("Parse alerts from dashboard without rows", func(t *testing.T) {
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json, err := os.ReadFile("./testdata/v5-dashboard.json")
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require.Nil(t, err)
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dashJSON, err := simplejson.NewJson(json)
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require.Nil(t, err)
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alerts, err := extractor.GetAlerts(context.Background(), DashAlertInfo{
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User: nil,
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Dash: dashboards.NewDashboardFromJson(dashJSON),
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OrgID: 1,
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})
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require.Nil(t, err)
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require.Len(t, alerts, 2)
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})
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t.Run("Alert notifications are in DB", func(t *testing.T) {
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sqlStore := sqlStore{db: sqlstore.InitTestDB(t)}
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firstNotification := models.CreateAlertNotificationCommand{Uid: "notifier1", OrgId: 1, Name: "1"}
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err = sqlStore.CreateAlertNotificationCommand(context.Background(), &firstNotification)
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require.Nil(t, err)
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secondNotification := models.CreateAlertNotificationCommand{Uid: "notifier2", OrgId: 1, Name: "2"}
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err = sqlStore.CreateAlertNotificationCommand(context.Background(), &secondNotification)
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require.Nil(t, err)
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json, err := os.ReadFile("./testdata/influxdb-alert.json")
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require.Nil(t, err)
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dashJSON, err := simplejson.NewJson(json)
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require.Nil(t, err)
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alerts, err := extractor.GetAlerts(context.Background(), DashAlertInfo{
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User: nil,
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Dash: dashboards.NewDashboardFromJson(dashJSON),
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OrgID: 1,
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})
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require.Nil(t, err)
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require.Len(t, alerts, 1)
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for _, alert := range alerts {
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require.EqualValues(t, alert.DashboardId, 4)
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conditions := alert.Settings.Get("conditions").MustArray()
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cond := simplejson.NewFromAny(conditions[0])
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require.Equal(t, cond.Get("query").Get("model").Get("interval").MustString(), ">10s")
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}
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})
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t.Run("Should be able to extract collapsed panels", func(t *testing.T) {
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json, err := os.ReadFile("./testdata/collapsed-panels.json")
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require.Nil(t, err)
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dashJSON, err := simplejson.NewJson(json)
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require.Nil(t, err)
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dash := dashboards.NewDashboardFromJson(dashJSON)
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alerts, err := extractor.GetAlerts(context.Background(), DashAlertInfo{
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User: nil,
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Dash: dash,
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OrgID: 1,
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})
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require.Nil(t, err)
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require.Len(t, alerts, 4)
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})
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t.Run("Parse and validate dashboard without id and containing an alert", func(t *testing.T) {
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json, err := os.ReadFile("./testdata/dash-without-id.json")
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require.Nil(t, err)
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dashJSON, err := simplejson.NewJson(json)
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require.Nil(t, err)
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dashAlertInfo := DashAlertInfo{
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User: nil,
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Dash: dashboards.NewDashboardFromJson(dashJSON),
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OrgID: 1,
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}
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err = extractor.ValidateAlerts(context.Background(), dashAlertInfo)
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require.Nil(t, err)
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_, err = extractor.GetAlerts(context.Background(), dashAlertInfo)
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require.Equal(t, err.Error(), "alert validation error: Panel id is not correct, alertName=Influxdb, panelId=1")
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})
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t.Run("Extract data source given new DataSourceRef object model", func(t *testing.T) {
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json, err := os.ReadFile("./testdata/panel-with-datasource-ref.json")
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require.Nil(t, err)
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dashJSON, err := simplejson.NewJson(json)
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require.Nil(t, err)
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dsService.ExpectedDatasource = graphite2Ds
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dashAlertInfo := DashAlertInfo{
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User: nil,
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Dash: dashboards.NewDashboardFromJson(dashJSON),
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OrgID: 1,
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}
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err = extractor.ValidateAlerts(context.Background(), dashAlertInfo)
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require.Nil(t, err)
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alerts, err := extractor.GetAlerts(context.Background(), dashAlertInfo)
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require.Nil(t, err)
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condition := simplejson.NewFromAny(alerts[0].Settings.Get("conditions").MustArray()[0])
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query := condition.Get("query")
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require.EqualValues(t, 15, query.Get("datasourceId").MustInt64())
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})
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}
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func TestFilterPermissionsErrors(t *testing.T) {
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RegisterCondition("query", func(model *simplejson.Json, index int) (Condition, error) {
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return &FakeCondition{}, nil
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})
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// mock data
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defaultDs := &datasources.DataSource{Id: 12, OrgId: 1, Name: "I am default", IsDefault: true, Uid: "def-uid"}
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json, err := os.ReadFile("./testdata/graphite-alert.json")
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require.Nil(t, err)
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dashJSON, err := simplejson.NewJson(json)
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require.Nil(t, err)
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dsPermissions := permissions.NewMockDatasourcePermissionService()
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dsService := &fakeDatasourceService{ExpectedDatasource: defaultDs}
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extractor := ProvideDashAlertExtractorService(dsPermissions, dsService, nil)
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tc := []struct {
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name string
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result []*datasources.DataSource
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err error
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expectedErr error
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}{
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{
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"Data sources are filtered and return results don't return an error",
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[]*datasources.DataSource{defaultDs},
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nil,
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nil,
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},
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{
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"Data sources are filtered but return empty results should return error",
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nil,
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nil,
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datasources.ErrDataSourceAccessDenied,
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},
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{
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"Using default OSS implementation doesn't return an error",
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nil,
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permissions.ErrNotImplemented,
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nil,
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},
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{
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"Returning an error different from ErrNotImplemented should fails",
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nil,
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errors.New("random error"),
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errors.New("random error"),
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},
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}
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for _, test := range tc {
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t.Run(test.name, func(t *testing.T) {
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dsPermissions.DsResult = test.result
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dsPermissions.ErrResult = test.err
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_, err = extractor.GetAlerts(WithUAEnabled(context.Background(), true), DashAlertInfo{
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User: nil,
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Dash: dashboards.NewDashboardFromJson(dashJSON),
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OrgID: 1,
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})
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assert.Equal(t, err, test.expectedErr)
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})
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}
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}
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type fakeDatasourceService struct {
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ExpectedDatasource *datasources.DataSource
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datasources.DataSourceService
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}
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func (f *fakeDatasourceService) GetDefaultDataSource(ctx context.Context, query *datasources.GetDefaultDataSourceQuery) error {
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query.Result = f.ExpectedDatasource
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return nil
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}
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func (f *fakeDatasourceService) GetDataSource(ctx context.Context, query *datasources.GetDataSourceQuery) error {
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query.Result = f.ExpectedDatasource
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return nil
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}
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