/
event.go
102 lines (92 loc) · 2.48 KB
/
event.go
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package dao_event
import (
"context"
"encoding/json"
"errors"
"github.com/jin06/binlogo/pkg/etcdclient"
"github.com/jin06/binlogo/pkg/store/model/event"
"github.com/sirupsen/logrus"
clientv3 "go.etcd.io/etcd/client/v3"
)
// EventPrefix returns event prefix
func EventPrefix() string {
return etcdclient.Prefix() + "/event"
}
// PipelinePrefix returns pipeline event prefix
func PipelinePrefix() string {
return EventPrefix() + "/pipeline"
}
// NodePrefix returns node event prefix
func NodePrefix() string {
return EventPrefix() + "/node"
}
func _list(key string, opts ...clientv3.OpOption) (list map[string]*event.Event, err error) {
opts = append(opts, clientv3.WithPrefix())
resp, err := etcdclient.Default().Get(context.Background(), key, opts...)
if err != nil {
return
}
list = map[string]*event.Event{}
for _, v := range resp.Kvs {
e := &event.Event{}
err1 := json.Unmarshal(v.Value, e)
if err1 != nil {
logrus.Errorln(err1)
} else {
list[string(v.Key)] = e
}
}
return
}
// List returns event list by resource type and resource name
func List(resType string, resName string, limit int64, sortTarget clientv3.SortTarget, sortOrder clientv3.SortOrder) (list map[string]*event.Event, err error) {
var key string
if resType == "" || resName == "" {
err = errors.New("empty resource type or resource name")
return
} else {
key = EventPrefix() + "/" + resType + "/" + resName
}
return _list(
key,
clientv3.WithLimit(limit),
clientv3.WithSort(sortTarget, sortOrder),
)
}
// ScrollList returns event list from key
func ScrollList(key string, n int64, sortTarget clientv3.SortTarget, sortOrder clientv3.SortOrder) (list map[string]*event.Event, err error) {
if key == "" {
key = EventPrefix()
}
if n <= 0 {
n = 20
}
return _list(
key,
clientv3.WithFromKey(),
clientv3.WithLimit(n),
clientv3.WithSort(sortTarget, sortOrder),
)
}
// Update create or update event
func Update(e *event.Event) (err error) {
if e == nil {
return errors.New("event is null")
}
key := EventPrefix() + "/" + string(e.ResourceType) + "/" + e.ResourceName + "/" + e.Key
b, err := json.Marshal(e)
if err != nil {
return
}
_, err = etcdclient.Default().Put(context.Background(), key, string(b))
return
}
// DeleteRange deletes events
func DeleteRange(fromKey string, endKey string) (deleted int64, err error) {
res, err := etcdclient.Default().Delete(context.Background(), fromKey, clientv3.WithRange(endKey))
if err != nil {
return
}
deleted = res.Deleted
return
}