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alert.go
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alert.go
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package models
import (
"time"
"fmt"
"github.com/grafana/grafana/pkg/components/simplejson"
)
type AlertStateType string
type AlertSeverityType string
type NoDataOption string
type ExecutionErrorOption string
const (
AlertStateNoData AlertStateType = "no_data"
AlertStatePaused AlertStateType = "paused"
AlertStateAlerting AlertStateType = "alerting"
AlertStateOK AlertStateType = "ok"
AlertStatePending AlertStateType = "pending"
)
const (
NoDataSetOK NoDataOption = "ok"
NoDataSetNoData NoDataOption = "no_data"
NoDataKeepState NoDataOption = "keep_state"
NoDataSetAlerting NoDataOption = "alerting"
)
const (
ExecutionErrorSetAlerting ExecutionErrorOption = "alerting"
ExecutionErrorKeepState ExecutionErrorOption = "keep_state"
)
var (
ErrCannotChangeStateOnPausedAlert error = fmt.Errorf("Cannot change state on pause alert")
ErrRequiresNewState error = fmt.Errorf("update alert state requires a new state.")
)
func (s AlertStateType) IsValid() bool {
return s == AlertStateOK || s == AlertStateNoData || s == AlertStatePaused || s == AlertStatePending
}
func (s NoDataOption) IsValid() bool {
return s == NoDataSetNoData || s == NoDataSetAlerting || s == NoDataKeepState || s == NoDataSetOK
}
func (s NoDataOption) ToAlertState() AlertStateType {
return AlertStateType(s)
}
func (s ExecutionErrorOption) IsValid() bool {
return s == ExecutionErrorSetAlerting || s == ExecutionErrorKeepState
}
func (s ExecutionErrorOption) ToAlertState() AlertStateType {
return AlertStateType(s)
}
type Alert struct {
Id int64
Version int64
OrgId int64
DashboardId int64
PanelId int64
Name string
Message string
Severity string
State AlertStateType
Handler int64
Silenced bool
ExecutionError string
Frequency int64
EvalData *simplejson.Json
NewStateDate time.Time
StateChanges int
Created time.Time
Updated time.Time
Settings *simplejson.Json
}
func (alert *Alert) ValidToSave() bool {
return alert.DashboardId != 0 && alert.OrgId != 0 && alert.PanelId != 0
}
func (alert *Alert) ShouldUpdateState(newState AlertStateType) bool {
return alert.State != newState
}
func (this *Alert) ContainsUpdates(other *Alert) bool {
result := false
result = result || this.Name != other.Name
result = result || this.Message != other.Message
if this.Settings != nil && other.Settings != nil {
json1, err1 := this.Settings.Encode()
json2, err2 := other.Settings.Encode()
if err1 != nil || err2 != nil {
return false
}
result = result || string(json1) != string(json2)
}
//don't compare .State! That would be insane.
return result
}
type AlertingClusterInfo struct {
ServerId string
ClusterSize int
UptimePosition int
}
type HeartBeat struct {
Id int64
ServerId string
Updated time.Time
Created time.Time
}
type HeartBeatCommand struct {
ServerId string
Result AlertingClusterInfo
}
type SaveAlertsCommand struct {
DashboardId int64
UserId int64
OrgId int64
Alerts []*Alert
}
type PauseAlertCommand struct {
OrgId int64
AlertIds []int64
ResultCount int64
Paused bool
}
type PauseAllAlertCommand struct {
ResultCount int64
Paused bool
}
type SetAlertStateCommand struct {
AlertId int64
OrgId int64
State AlertStateType
Error string
EvalData *simplejson.Json
Timestamp time.Time
}
//Queries
type GetAlertsQuery struct {
OrgId int64
State []string
DashboardId int64
PanelId int64
Limit int64
Result []*Alert
}
type GetAllAlertsQuery struct {
Result []*Alert
}
type GetAlertByIdQuery struct {
Id int64
Result *Alert
}
type GetAlertStatesForDashboardQuery struct {
OrgId int64
DashboardId int64
Result []*AlertStateInfoDTO
}
type AlertStateInfoDTO struct {
Id int64 `json:"id"`
DashboardId int64 `json:"dashboardId"`
PanelId int64 `json:"panelId"`
State AlertStateType `json:"state"`
NewStateDate time.Time `json:"newStateDate"`
}