func migrateTagMetadata(db *bolt.DB, data database.DataAccess) error {
migrated, err := isMigrated(db, "metadata")
if err != nil {
return err
}
if !migrated {
slog.Info("Migrating metadata to new database format")
type Metavalue struct {
Time time.Time
Value interface{}
}
metadata := make(map[metadata.Metakey]*Metavalue)
if err := decode(db, "metadata", &metadata); err == nil {
for k, v := range metadata {
err = data.Metadata().PutTagMetadata(k.TagSet(), k.Name, fmt.Sprint(v.Value), v.Time)
if err != nil {
return err
}
}
err = deleteKey(db, "metadata")
if err != nil {
return err
}
}
err = setMigrated(db, "metadata")
if err != nil {
return err
}
}
return nil
}
func migrateIncidents(db *bolt.DB, data database.DataAccess) error {
migrated, err := isMigrated(db, "incidents")
if err != nil {
return err
}
if migrated {
return nil
}
slog.Info("migrating incidents")
incidents := map[uint64]*models.Incident{}
if err := decode(db, "incidents", &incidents); err != nil {
return err
}
max := uint64(0)
for k, v := range incidents {
data.Incidents().UpdateIncident(k, v)
if k > max {
max = k
}
}
if err = data.Incidents().SetMaxId(max); err != nil {
return err
}
if err = setMigrated(db, "incidents"); err != nil {
return err
}
return nil
}
func migrateSearch(db *bolt.DB, data database.DataAccess) error {
migrated, err := isMigrated(db, "search")
if err != nil {
return err
}
if !migrated {
slog.Info("Migrating Search data to new database format")
type duple struct{ A, B string }
type present map[string]int64
type qmap map[duple]present
type smap map[string]present
metric := qmap{}
if err := decode(db, "metric", &metric); err == nil {
for k, v := range metric {
for metric, time := range v {
data.Search().AddMetricForTag(k.A, k.B, metric, time)
}
}
} else {
return err
}
tagk := smap{}
if err := decode(db, "tagk", &tagk); err == nil {
for metric, v := range tagk {
for tk, time := range v {
data.Search().AddTagKeyForMetric(metric, tk, time)
}
data.Search().AddMetric(metric, time.Now().Unix())
}
} else {
return err
}
tagv := qmap{}
if err := decode(db, "tagv", &tagv); err == nil {
for k, v := range tagv {
for val, time := range v {
data.Search().AddTagValue(k.A, k.B, val, time)
data.Search().AddTagValue(database.Search_All, k.B, val, time)
}
}
} else {
return err
}
err = setMigrated(db, "search")
if err != nil {
return err
}
}
return nil
}
func migrateSilence(db *bolt.DB, data database.DataAccess) error {
migrated, err := isMigrated(db, "silence")
if err != nil {
return err
}
if migrated {
return nil
}
slog.Info("migrating silence")
silence := map[string]*models.Silence{}
if err := decode(db, "silence", &silence); err != nil {
return err
}
for _, v := range silence {
v.TagString = v.Tags.Tags()
data.Silence().AddSilence(v)
}
if err = setMigrated(db, "silence"); err != nil {
return err
}
return nil
}
func migrateMetricMetadata(db *bolt.DB, data database.DataAccess) error {
migrated, err := isMigrated(db, "metadata-metric")
if err != nil {
return err
}
if !migrated {
slog.Info("Migrating metric metadata to new database format")
type MetadataMetric struct {
Unit string `json:",omitempty"`
Type string `json:",omitempty"`
Description string
}
mms := map[string]*MetadataMetric{}
if err := decode(db, "metadata-metric", &mms); err == nil {
for name, mm := range mms {
if mm.Description != "" {
err = data.Metadata().PutMetricMetadata(name, "desc", mm.Description)
if err != nil {
return err
}
}
if mm.Unit != "" {
err = data.Metadata().PutMetricMetadata(name, "unit", mm.Unit)
if err != nil {
return err
}
}
if mm.Type != "" {
err = data.Metadata().PutMetricMetadata(name, "rate", mm.Type)
if err != nil {
return err
}
}
}
err = setMigrated(db, "metadata-metric")
if err != nil {
return err
}
}
}
return nil
}
func migrateOldDataToRedis(db *bolt.DB, data database.DataAccess) error {
// metadata-metric
migrated, err := isMigrated(db, "metadata-metric")
if err != nil {
return err
}
if !migrated {
type MetadataMetric struct {
Unit string `json:",omitempty"`
Type string `json:",omitempty"`
Description string
}
slog.Info("Migrating metric metadata to new database format")
mms := map[string]*MetadataMetric{}
if err := decode(db, "metadata-metric", &mms); err == nil {
for name, mm := range mms {
if mm.Description != "" {
err = data.PutMetricMetadata(name, "desc", mm.Description)
if err != nil {
return err
}
}
if mm.Unit != "" {
err = data.PutMetricMetadata(name, "unit", mm.Unit)
if err != nil {
return err
}
}
if mm.Type != "" {
err = data.PutMetricMetadata(name, "rate", mm.Type)
if err != nil {
return err
}
}
}
err = setMigrated(db, "metadata-metric")
if err != nil {
return err
}
}
}
//metadata
migrated, err = isMigrated(db, "metadata")
if err != nil {
return err
}
if !migrated {
slog.Info("Migrating metadata to new database format")
type Metavalue struct {
Time time.Time
Value interface{}
}
metadata := make(map[metadata.Metakey]*Metavalue)
if err := decode(db, "metadata", &metadata); err == nil {
for k, v := range metadata {
err = data.PutTagMetadata(k.TagSet(), k.Name, fmt.Sprint(v.Value), v.Time)
if err != nil {
return err
}
}
err = deleteKey(db, "metadata")
if err != nil {
return err
}
}
err = setMigrated(db, "metadata")
if err != nil {
return err
}
}
return nil
}
func migrateState(db *bolt.DB, data database.DataAccess) error {
migrated, err := isMigrated(db, "state")
if err != nil {
return err
}
if migrated {
return nil
}
//redefine the structs as they were when we gob encoded them
type Result struct {
*expr.Result
Expr string
}
mResult := func(r *Result) *models.Result {
if r == nil || r.Result == nil {
return &models.Result{}
}
v, _ := valueToFloat(r.Result.Value)
return &models.Result{
Computations: r.Result.Computations,
Value: models.Float(v),
Expr: r.Expr,
}
}
type Event struct {
Warn, Crit *Result
Status models.Status
Time time.Time
Unevaluated bool
IncidentId uint64
}
type State struct {
*Result
History []Event
Actions []models.Action
Touched time.Time
Alert string
Tags string
Group opentsdb.TagSet
Subject string
Body string
EmailBody []byte
EmailSubject []byte
Attachments []*models.Attachment
NeedAck bool
Open bool
Forgotten bool
Unevaluated bool
LastLogTime time.Time
}
type OldStates map[models.AlertKey]*State
slog.Info("migrating state")
states := OldStates{}
if err := decode(db, "status", &states); err != nil {
return err
}
for ak, state := range states {
if len(state.History) == 0 {
continue
}
var thisId uint64
events := []Event{}
addIncident := func(saveBody bool) error {
if thisId == 0 || len(events) == 0 || state == nil {
return nil
}
incident := NewIncident(ak)
incident.Expr = state.Expr
incident.NeedAck = state.NeedAck
incident.Open = state.Open
incident.Result = mResult(state.Result)
incident.Unevaluated = state.Unevaluated
incident.Start = events[0].Time
incident.Id = int64(thisId)
incident.Subject = state.Subject
if saveBody {
incident.Body = state.Body
}
for _, ev := range events {
incident.CurrentStatus = ev.Status
mEvent := models.Event{
Crit: mResult(ev.Crit),
Status: ev.Status,
Time: ev.Time,
Unevaluated: ev.Unevaluated,
Warn: mResult(ev.Warn),
}
incident.Events = append(incident.Events, mEvent)
if ev.Status > incident.WorstStatus {
incident.WorstStatus = ev.Status
}
if ev.Status > models.StNormal {
incident.LastAbnormalStatus = ev.Status
incident.LastAbnormalTime = ev.Time.UTC().Unix()
}
}
for _, ac := range state.Actions {
if ac.Time.Before(incident.Start) {
continue
}
incident.Actions = append(incident.Actions, ac)
if ac.Time.After(incident.Events[len(incident.Events)-1].Time) && ac.Type == models.ActionClose {
incident.End = &ac.Time
break
}
}
if err := data.State().ImportIncidentState(incident); err != nil {
return err
}
return nil
}
//essentially a rle algorithm to assign events to incidents
for _, e := range state.History {
if e.Status > models.StUnknown {
continue
}
if e.IncidentId == 0 {
//include all non-assigned incidents up to the next non-match
events = append(events, e)
continue
}
if thisId == 0 {
thisId = e.IncidentId
events = append(events, e)
}
if e.IncidentId != thisId {
if err := addIncident(false); err != nil {
return err
}
thisId = e.IncidentId
events = []Event{e}
} else {
events = append(events, e)
}
}
if err := addIncident(true); err != nil {
return err
}
}
if err = setMigrated(db, "state"); err != nil {
return err
}
return nil
}
