mirror of
https://github.com/grafana/grafana.git
synced 2024-11-24 09:50:29 -06:00
343 lines
8.6 KiB
Go
343 lines
8.6 KiB
Go
package api
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import (
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"fmt"
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"strconv"
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"github.com/grafana/grafana/pkg/api/dtos"
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"github.com/grafana/grafana/pkg/bus"
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m "github.com/grafana/grafana/pkg/models"
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"github.com/grafana/grafana/pkg/services/alerting"
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"github.com/grafana/grafana/pkg/services/guardian"
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"github.com/grafana/grafana/pkg/services/search"
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)
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func ValidateOrgAlert(c *m.ReqContext) {
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id := c.ParamsInt64(":alertId")
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query := m.GetAlertByIdQuery{Id: id}
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if err := bus.Dispatch(&query); err != nil {
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c.JsonApiErr(404, "Alert not found", nil)
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return
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}
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if c.OrgId != query.Result.OrgId {
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c.JsonApiErr(403, "You are not allowed to edit/view alert", nil)
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return
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}
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}
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func GetAlertStatesForDashboard(c *m.ReqContext) Response {
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dashboardID := c.QueryInt64("dashboardId")
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if dashboardID == 0 {
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return Error(400, "Missing query parameter dashboardId", nil)
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}
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query := m.GetAlertStatesForDashboardQuery{
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OrgId: c.OrgId,
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DashboardId: c.QueryInt64("dashboardId"),
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}
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if err := bus.Dispatch(&query); err != nil {
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return Error(500, "Failed to fetch alert states", err)
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}
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return JSON(200, query.Result)
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}
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// GET /api/alerts
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func GetAlerts(c *m.ReqContext) Response {
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dashboardQuery := c.Query("dashboardQuery")
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dashboardTags := c.QueryStrings("dashboardTag")
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stringDashboardIDs := c.QueryStrings("dashboardId")
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stringFolderIDs := c.QueryStrings("folderId")
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dashboardIDs := make([]int64, 0)
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for _, id := range stringDashboardIDs {
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dashboardID, err := strconv.ParseInt(id, 10, 64)
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if err == nil {
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dashboardIDs = append(dashboardIDs, dashboardID)
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}
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}
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if dashboardQuery != "" || len(dashboardTags) > 0 || len(stringFolderIDs) > 0 {
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folderIDs := make([]int64, 0)
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for _, id := range stringFolderIDs {
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folderID, err := strconv.ParseInt(id, 10, 64)
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if err == nil {
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folderIDs = append(folderIDs, folderID)
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}
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}
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searchQuery := search.Query{
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Title: dashboardQuery,
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Tags: dashboardTags,
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SignedInUser: c.SignedInUser,
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Limit: 1000,
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OrgId: c.OrgId,
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DashboardIds: dashboardIDs,
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Type: string(search.DashHitDB),
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FolderIds: folderIDs,
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Permission: m.PERMISSION_VIEW,
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}
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err := bus.Dispatch(&searchQuery)
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if err != nil {
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return Error(500, "List alerts failed", err)
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}
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for _, d := range searchQuery.Result {
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if d.Type == search.DashHitDB && d.Id > 0 {
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dashboardIDs = append(dashboardIDs, d.Id)
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}
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}
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// if we didn't find any dashboards, return empty result
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if len(dashboardIDs) == 0 {
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return JSON(200, []*m.AlertListItemDTO{})
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}
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}
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query := m.GetAlertsQuery{
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OrgId: c.OrgId,
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DashboardIDs: dashboardIDs,
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PanelId: c.QueryInt64("panelId"),
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Limit: c.QueryInt64("limit"),
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User: c.SignedInUser,
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Query: c.Query("query"),
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}
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states := c.QueryStrings("state")
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if len(states) > 0 {
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query.State = states
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}
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if err := bus.Dispatch(&query); err != nil {
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return Error(500, "List alerts failed", err)
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}
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for _, alert := range query.Result {
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alert.Url = m.GetDashboardUrl(alert.DashboardUid, alert.DashboardSlug)
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}
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return JSON(200, query.Result)
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}
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// POST /api/alerts/test
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func AlertTest(c *m.ReqContext, dto dtos.AlertTestCommand) Response {
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if _, idErr := dto.Dashboard.Get("id").Int64(); idErr != nil {
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return Error(400, "The dashboard needs to be saved at least once before you can test an alert rule", nil)
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}
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backendCmd := alerting.AlertTestCommand{
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OrgId: c.OrgId,
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Dashboard: dto.Dashboard,
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PanelId: dto.PanelId,
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User: c.SignedInUser,
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}
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if err := bus.Dispatch(&backendCmd); err != nil {
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if validationErr, ok := err.(alerting.ValidationError); ok {
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return Error(422, validationErr.Error(), nil)
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}
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if err == m.ErrDataSourceAccessDenied {
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return Error(403, "Access denied to datasource", err)
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}
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return Error(500, "Failed to test rule", err)
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}
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res := backendCmd.Result
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dtoRes := &dtos.AlertTestResult{
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Firing: res.Firing,
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ConditionEvals: res.ConditionEvals,
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State: res.Rule.State,
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}
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if res.Error != nil {
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dtoRes.Error = res.Error.Error()
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}
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for _, log := range res.Logs {
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dtoRes.Logs = append(dtoRes.Logs, &dtos.AlertTestResultLog{Message: log.Message, Data: log.Data})
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}
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for _, match := range res.EvalMatches {
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dtoRes.EvalMatches = append(dtoRes.EvalMatches, &dtos.EvalMatch{Metric: match.Metric, Value: match.Value})
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}
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dtoRes.TimeMs = fmt.Sprintf("%1.3fms", res.GetDurationMs())
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return JSON(200, dtoRes)
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}
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// GET /api/alerts/:id
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func GetAlert(c *m.ReqContext) Response {
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id := c.ParamsInt64(":alertId")
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query := m.GetAlertByIdQuery{Id: id}
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if err := bus.Dispatch(&query); err != nil {
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return Error(500, "List alerts failed", err)
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}
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return JSON(200, &query.Result)
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}
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func GetAlertNotifiers(c *m.ReqContext) Response {
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return JSON(200, alerting.GetNotifiers())
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}
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func GetAlertNotifications(c *m.ReqContext) Response {
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query := &m.GetAllAlertNotificationsQuery{OrgId: c.OrgId}
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if err := bus.Dispatch(query); err != nil {
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return Error(500, "Failed to get alert notifications", err)
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}
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result := make([]*dtos.AlertNotification, 0)
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for _, notification := range query.Result {
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result = append(result, dtos.NewAlertNotification(notification))
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}
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return JSON(200, result)
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}
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func GetAlertNotificationByID(c *m.ReqContext) Response {
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query := &m.GetAlertNotificationsQuery{
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OrgId: c.OrgId,
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Id: c.ParamsInt64("notificationId"),
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}
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if err := bus.Dispatch(query); err != nil {
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return Error(500, "Failed to get alert notifications", err)
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}
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if query.Result == nil {
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return Error(404, "Alert notification not found", nil)
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}
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return JSON(200, dtos.NewAlertNotification(query.Result))
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}
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func CreateAlertNotification(c *m.ReqContext, cmd m.CreateAlertNotificationCommand) Response {
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cmd.OrgId = c.OrgId
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if err := bus.Dispatch(&cmd); err != nil {
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return Error(500, "Failed to create alert notification", err)
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}
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return JSON(200, dtos.NewAlertNotification(cmd.Result))
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}
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func UpdateAlertNotification(c *m.ReqContext, cmd m.UpdateAlertNotificationCommand) Response {
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cmd.OrgId = c.OrgId
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if err := bus.Dispatch(&cmd); err != nil {
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return Error(500, "Failed to update alert notification", err)
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}
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return JSON(200, dtos.NewAlertNotification(cmd.Result))
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}
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func DeleteAlertNotification(c *m.ReqContext) Response {
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cmd := m.DeleteAlertNotificationCommand{
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OrgId: c.OrgId,
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Id: c.ParamsInt64("notificationId"),
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}
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if err := bus.Dispatch(&cmd); err != nil {
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return Error(500, "Failed to delete alert notification", err)
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}
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return Success("Notification deleted")
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}
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//POST /api/alert-notifications/test
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func NotificationTest(c *m.ReqContext, dto dtos.NotificationTestCommand) Response {
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cmd := &alerting.NotificationTestCommand{
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Name: dto.Name,
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Type: dto.Type,
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Settings: dto.Settings,
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}
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if err := bus.Dispatch(cmd); err != nil {
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if err == m.ErrSmtpNotEnabled {
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return Error(412, err.Error(), err)
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}
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return Error(500, "Failed to send alert notifications", err)
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}
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return Success("Test notification sent")
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}
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//POST /api/alerts/:alertId/pause
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func PauseAlert(c *m.ReqContext, dto dtos.PauseAlertCommand) Response {
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alertID := c.ParamsInt64("alertId")
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query := m.GetAlertByIdQuery{Id: alertID}
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if err := bus.Dispatch(&query); err != nil {
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return Error(500, "Get Alert failed", err)
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}
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guardian := guardian.New(query.Result.DashboardId, c.OrgId, c.SignedInUser)
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if canEdit, err := guardian.CanEdit(); err != nil || !canEdit {
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if err != nil {
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return Error(500, "Error while checking permissions for Alert", err)
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}
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return Error(403, "Access denied to this dashboard and alert", nil)
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}
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cmd := m.PauseAlertCommand{
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OrgId: c.OrgId,
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AlertIds: []int64{alertID},
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Paused: dto.Paused,
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}
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if err := bus.Dispatch(&cmd); err != nil {
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return Error(500, "", err)
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}
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var response m.AlertStateType = m.AlertStateUnknown
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pausedState := "un-paused"
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if cmd.Paused {
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response = m.AlertStatePaused
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pausedState = "paused"
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}
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result := map[string]interface{}{
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"alertId": alertID,
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"state": response,
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"message": "Alert " + pausedState,
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}
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return JSON(200, result)
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}
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//POST /api/admin/pause-all-alerts
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func PauseAllAlerts(c *m.ReqContext, dto dtos.PauseAllAlertsCommand) Response {
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updateCmd := m.PauseAllAlertCommand{
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Paused: dto.Paused,
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}
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if err := bus.Dispatch(&updateCmd); err != nil {
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return Error(500, "Failed to pause alerts", err)
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}
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var response m.AlertStateType = m.AlertStatePending
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pausedState := "un paused"
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if updateCmd.Paused {
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response = m.AlertStatePaused
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pausedState = "paused"
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}
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result := map[string]interface{}{
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"state": response,
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"message": "alerts " + pausedState,
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"alertsAffected": updateCmd.ResultCount,
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}
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return JSON(200, result)
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}
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