/
op_pipeline_event.go
177 lines (156 loc) · 4.9 KB
/
op_pipeline_event.go
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// Copyright (c) 2021 Terminus, Inc.
//
// This program is free software: you can use, redistribute, and/or modify
// it under the terms of the GNU Affero General Public License, version 3
// or later ("AGPL"), as published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package dbclient
import (
"encoding/json"
"fmt"
"sort"
"strings"
"time"
"github.com/erda-project/erda/apistructs"
"github.com/erda-project/erda/modules/pipeline/spec"
)
// GetPipelineEvents get pipeline events from reports.
// return: report, events, error
func (client *Client) GetPipelineEvents(pipelineID uint64, ops ...SessionOption) (*spec.PipelineReport, []*apistructs.PipelineEvent, error) {
session := client.NewSession(ops...)
defer session.Close()
var report spec.PipelineReport
report.PipelineID = pipelineID
report.Type = apistructs.PipelineReportTypeEvent
exist, err := session.Get(&report)
if err != nil {
return nil, nil, err
}
if !exist {
return nil, nil, nil
}
if report.Meta == nil {
return &report, nil, nil
}
eventsI, ok := report.Meta[apistructs.PipelineReportEventMetaKey]
if !ok {
return &report, nil, nil
}
b, err := json.Marshal(eventsI)
if err != nil {
return &report, nil, nil
}
var events []*apistructs.PipelineEvent
if err := json.Unmarshal(b, &events); err != nil {
return &report, nil, nil
}
return &report, events, nil
}
func (client *Client) AppendPipelineEvent(pipelineID uint64, newEvents []*apistructs.PipelineEvent, ops ...SessionOption) error {
if len(newEvents) == 0 {
return nil
}
session := client.NewSession(ops...)
defer session.Close()
// get events
report, events, err := client.GetPipelineEvents(pipelineID, ops...)
if err != nil {
return err
}
// get order events
ordered := makeOrderEvents(events, newEvents)
if len(ordered) <= 0 {
return nil
}
if report == nil {
// create
return client.CreatePipelineReport(&spec.PipelineReport{
PipelineID: pipelineID,
Type: apistructs.PipelineReportTypeEvent,
Meta: makeEventReportMeta(ordered),
CreatorID: ordered[0].Source.Component,
UpdaterID: ordered[0].Source.Component,
}, ops...)
}
// update
report.Meta = makeEventReportMeta(ordered)
return client.UpdatePipelineReport(report, ops...)
}
func getLastEvent(ordered orderedEvents) *apistructs.PipelineEvent {
if ordered != nil {
sort.Sort(ordered)
return ordered[len(ordered)-1]
}
return nil
}
type orderedEvents []*apistructs.PipelineEvent
func makeOrderEvents(events []*apistructs.PipelineEvent, newEvents []*apistructs.PipelineEvent) orderedEvents {
// order events
var ordered orderedEvents
for _, g := range events {
ordered = append(ordered, g)
}
// new events order, if event not have time to add time
var newEventOrder orderedEvents
now := time.Now()
for index, g := range newEvents {
if g.FirstTimestamp.IsZero() {
g.FirstTimestamp = now.Add(time.Duration(index) * time.Millisecond)
}
if g.LastTimestamp.IsZero() {
g.FirstTimestamp = now.Add(time.Duration(index) * time.Millisecond)
}
newEventOrder = append(newEventOrder, g)
}
sort.Sort(newEventOrder)
// get before last events
lastEvent := getLastEvent(ordered)
for _, ev := range newEventOrder {
// if lastEvent was empty, mean ordered was empty
// lastEvent assignment this events
if lastEvent == nil {
ordered = append(ordered, ev)
lastEvent = ev
continue
}
// get last events key and this events key
lastEventKey := makeEventGroupKey(lastEvent)
thsEventKey := makeEventGroupKey(ev)
// same like
if strings.EqualFold(lastEventKey, thsEventKey) {
// compare time and exchange
if !ev.FirstTimestamp.IsZero() && ev.FirstTimestamp.Before(lastEvent.FirstTimestamp) {
lastEvent.FirstTimestamp = ev.FirstTimestamp
}
if ev.LastTimestamp.After(lastEvent.LastTimestamp) {
lastEvent.LastTimestamp = ev.LastTimestamp
}
// count++
// lastEvent not change
lastEvent.Count++
continue
} else {
// not like,
// append this events to orders
// lastEvent assignment this events
ordered = append(ordered, ev)
lastEvent = ev
}
}
return ordered
}
func (o orderedEvents) Len() int { return len(o) }
func (o orderedEvents) Less(i, j int) bool { return o[i].LastTimestamp.Before(o[j].LastTimestamp) }
func (o orderedEvents) Swap(i, j int) { o[i], o[j] = o[j], o[i] }
func makeEventGroupKey(se *apistructs.PipelineEvent) string {
return fmt.Sprintf("%s:%s:%s", se.Source.Component, se.Reason, se.Message)
}
func makeEventReportMeta(events []*apistructs.PipelineEvent) apistructs.PipelineReportMeta {
return apistructs.PipelineReportMeta{apistructs.PipelineReportEventMetaKey: events}
}