forked from grafana/grafana
/
annotations.go
218 lines (172 loc) · 5.18 KB
/
annotations.go
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package api
import (
"fmt"
"strings"
"time"
"github.com/grafana/grafana/pkg/api/dtos"
"github.com/grafana/grafana/pkg/components/simplejson"
"github.com/grafana/grafana/pkg/middleware"
"github.com/grafana/grafana/pkg/services/annotations"
)
func GetAnnotations(c *middleware.Context) Response {
query := &annotations.ItemQuery{
From: c.QueryInt64("from") / 1000,
To: c.QueryInt64("to") / 1000,
OrgId: c.OrgId,
AlertId: c.QueryInt64("alertId"),
DashboardId: c.QueryInt64("dashboardId"),
PanelId: c.QueryInt64("panelId"),
Limit: c.QueryInt64("limit"),
Tags: c.QueryStrings("tags"),
}
repo := annotations.GetRepository()
items, err := repo.Find(query)
if err != nil {
return ApiError(500, "Failed to get annotations", err)
}
for _, item := range items {
if item.Email != "" {
item.AvatarUrl = dtos.GetGravatarUrl(item.Email)
}
item.Time = item.Time * 1000
}
return Json(200, items)
}
func PostAnnotation(c *middleware.Context, cmd dtos.PostAnnotationsCmd) Response {
repo := annotations.GetRepository()
item := annotations.Item{
OrgId: c.OrgId,
UserId: c.UserId,
DashboardId: cmd.DashboardId,
PanelId: cmd.PanelId,
Epoch: cmd.Time / 1000,
Text: cmd.Text,
Data: cmd.Data,
Tags: cmd.Tags,
}
if err := repo.Save(&item); err != nil {
return ApiError(500, "Failed to save annotation", err)
}
// handle regions
if cmd.IsRegion {
item.RegionId = item.Id
if item.Data == nil {
item.Data = simplejson.New()
}
if err := repo.Update(&item); err != nil {
return ApiError(500, "Failed set regionId on annotation", err)
}
item.Id = 0
item.Epoch = cmd.TimeEnd / 1000
if err := repo.Save(&item); err != nil {
return ApiError(500, "Failed save annotation for region end time", err)
}
}
return ApiSuccess("Annotation added")
}
type GraphiteAnnotationError struct {
message string
}
func (e *GraphiteAnnotationError) Error() string {
return e.message
}
func formatGraphiteAnnotation(what string, data string) string {
return fmt.Sprintf("%s\n%s", what, data)
}
func PostGraphiteAnnotation(c *middleware.Context, cmd dtos.PostGraphiteAnnotationsCmd) Response {
repo := annotations.GetRepository()
if cmd.When == 0 {
cmd.When = time.Now().Unix()
}
text := formatGraphiteAnnotation(cmd.What, cmd.Data)
// Support tags in prior to Graphite 0.10.0 format (string of tags separated by space)
var tagsArray []string
switch tags := cmd.Tags.(type) {
case string:
tagsArray = strings.Split(tags, " ")
case []interface{}:
for _, t := range tags {
if tagStr, ok := t.(string); ok {
tagsArray = append(tagsArray, tagStr)
} else {
err := &GraphiteAnnotationError{"tag should be a string"}
return ApiError(500, "Failed to save Graphite annotation", err)
}
}
default:
err := &GraphiteAnnotationError{"unsupported tags format"}
return ApiError(500, "Failed to save Graphite annotation", err)
}
item := annotations.Item{
OrgId: c.OrgId,
UserId: c.UserId,
Epoch: cmd.When,
Text: text,
Tags: tagsArray,
}
if err := repo.Save(&item); err != nil {
return ApiError(500, "Failed to save Graphite annotation", err)
}
return ApiSuccess("Graphite Annotation added")
}
func UpdateAnnotation(c *middleware.Context, cmd dtos.UpdateAnnotationsCmd) Response {
annotationId := c.ParamsInt64(":annotationId")
repo := annotations.GetRepository()
item := annotations.Item{
OrgId: c.OrgId,
UserId: c.UserId,
Id: annotationId,
Epoch: cmd.Time / 1000,
Text: cmd.Text,
Tags: cmd.Tags,
}
if err := repo.Update(&item); err != nil {
return ApiError(500, "Failed to update annotation", err)
}
if cmd.IsRegion {
itemRight := item
itemRight.RegionId = item.Id
itemRight.Epoch = cmd.TimeEnd / 1000
// We don't know id of region right event, so set it to 0 and find then using query like
// ... WHERE region_id = <item.RegionId> AND id != <item.RegionId> ...
itemRight.Id = 0
if err := repo.Update(&itemRight); err != nil {
return ApiError(500, "Failed to update annotation for region end time", err)
}
}
return ApiSuccess("Annotation updated")
}
func DeleteAnnotations(c *middleware.Context, cmd dtos.DeleteAnnotationsCmd) Response {
repo := annotations.GetRepository()
err := repo.Delete(&annotations.DeleteParams{
AlertId: cmd.PanelId,
DashboardId: cmd.DashboardId,
PanelId: cmd.PanelId,
})
if err != nil {
return ApiError(500, "Failed to delete annotations", err)
}
return ApiSuccess("Annotations deleted")
}
func DeleteAnnotationById(c *middleware.Context) Response {
repo := annotations.GetRepository()
annotationId := c.ParamsInt64(":annotationId")
err := repo.Delete(&annotations.DeleteParams{
Id: annotationId,
})
if err != nil {
return ApiError(500, "Failed to delete annotation", err)
}
return ApiSuccess("Annotation deleted")
}
func DeleteAnnotationRegion(c *middleware.Context) Response {
repo := annotations.GetRepository()
regionId := c.ParamsInt64(":regionId")
err := repo.Delete(&annotations.DeleteParams{
RegionId: regionId,
})
if err != nil {
return ApiError(500, "Failed to delete annotation region", err)
}
return ApiSuccess("Annotation region deleted")
}