grafana/pkg/services/sqlstore/migrations/ualert/dash_alert.go
Yuriy Tseretyan d87fdc1037
Alerting: Update migration to migrate only alerts that belong to existing org\dashboard (#49192)
* Update migration to migrate only alerts that belong to existing org\dashboard
2022-05-18 16:00:08 -04:00

130 lines
3.1 KiB
Go

package ualert
import (
"encoding/json"
"fmt"
"time"
)
type dashAlert struct {
Id int64
OrgId int64
DashboardId int64
PanelId int64
Name string
Message string
Frequency int64
For time.Duration
State string
Settings json.RawMessage
ParsedSettings *dashAlertSettings
DashboardUID string // Set from separate call
}
var slurpDashSQL = `
SELECT id,
org_id,
dashboard_id,
panel_id,
org_id,
name,
message,
frequency,
%s,
state,
settings
FROM
alert
WHERE org_id IN (SELECT id from org)
AND dashboard_id IN (SELECT id from dashboard)
`
// slurpDashAlerts loads all alerts from the alert database table into the
// the dashAlert type. If there are alerts that belong to either organization or dashboard that does not exist, those alerts will not be returned/
// Additionally it unmarshals the json settings for the alert into the
// ParsedSettings property of the dash alert.
func (m *migration) slurpDashAlerts() ([]dashAlert, error) {
dashAlerts := []dashAlert{}
err := m.sess.SQL(fmt.Sprintf(slurpDashSQL, m.mg.Dialect.Quote("for"))).Find(&dashAlerts)
if err != nil {
return nil, err
}
for i := range dashAlerts {
err = json.Unmarshal(dashAlerts[i].Settings, &dashAlerts[i].ParsedSettings)
if err != nil {
return nil, err
}
}
return dashAlerts, nil
}
// dashAlertSettings is a type for the JSON that is in the settings field of
// the alert table.
type dashAlertSettings struct {
NoDataState string `json:"noDataState"`
ExecutionErrorState string `json:"executionErrorState"`
Conditions []dashAlertCondition `json:"conditions"`
AlertRuleTags map[string]string `json:"alertRuleTags"`
Notifications []dashAlertNot `json:"notifications"`
}
// dashAlertNot is the object that represents the Notifications array in
// dashAlertSettings
type dashAlertNot struct {
UID string `json:"uid,omitempty"`
ID int64 `json:"id,omitempty"`
}
// dashAlertingConditionJSON is like classic.ClassicConditionJSON except that it
// includes the model property with the query.
type dashAlertCondition struct {
Evaluator conditionEvalJSON `json:"evaluator"`
Operator struct {
Type string `json:"type"`
} `json:"operator"`
Query struct {
Params []string `json:"params"`
DatasourceID int64 `json:"datasourceId"`
Model json.RawMessage
} `json:"query"`
Reducer struct {
// Params []interface{} `json:"params"` (Unused)
Type string `json:"type"`
}
}
type conditionEvalJSON struct {
Params []float64 `json:"params"`
Type string `json:"type"` // e.g. "gt"
}
// slurpDashUIDs returns a map of [orgID, dashboardId] -> dashUID.
func (m *migration) slurpDashUIDs() (map[[2]int64]string, error) {
dashIDs := []struct {
OrgID int64 `xorm:"org_id"`
ID int64 `xorm:"id"`
UID string `xorm:"uid"`
}{}
err := m.sess.SQL(`SELECT org_id, id, uid FROM dashboard`).Find(&dashIDs)
if err != nil {
return nil, err
}
idToUID := make(map[[2]int64]string, len(dashIDs))
for _, ds := range dashIDs {
idToUID[[2]int64{ds.OrgID, ds.ID}] = ds.UID
}
return idToUID, nil
}