Files
kubesphere/pkg/simple/client/es/versions/v7/v7.go
hongming d85ebcef1f Support configuring the maximum number of logs that can be exported (#5794)
* Support configuring the maximum number of logs that can be exported



* Update pkg/simple/client/logging/options.go



---------

Signed-off-by: wanjunlei <wanjunlei@kubesphere.io>
Co-authored-by: wanjunlei <53003665+wanjunlei@users.noreply.github.com>
Co-authored-by: Benjamin Huo <huobj@qq.com>
2023-06-28 16:24:47 +08:00

140 lines
3.4 KiB
Go

/*
Copyright 2020 KubeSphere Authors
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package v7
import (
"bytes"
"context"
"crypto/tls"
"encoding/json"
"fmt"
"io"
"net/http"
"time"
"github.com/elastic/go-elasticsearch/v7"
"github.com/elastic/go-elasticsearch/v7/esapi"
jsoniter "github.com/json-iterator/go"
"kubesphere.io/kubesphere/pkg/simple/client/es/versions"
)
type Elastic struct {
client *elasticsearch.Client
index string
}
func New(address string, basicAuth bool, username, password, index string) (*Elastic, error) {
var client *elasticsearch.Client
var err error
if !basicAuth {
username = ""
password = ""
}
client, err = elasticsearch.NewClient(elasticsearch.Config{
Addresses: []string{address},
Username: username,
Password: password,
Transport: &http.Transport{
TLSClientConfig: &tls.Config{
InsecureSkipVerify: true,
},
},
})
return &Elastic{client: client, index: index}, err
}
func (e *Elastic) Search(indices string, body []byte, scroll bool) ([]byte, error) {
opts := []func(*esapi.SearchRequest){
e.client.Search.WithContext(context.Background()),
e.client.Search.WithIndex(indices),
e.client.Search.WithTrackTotalHits(true),
e.client.Search.WithIgnoreUnavailable(true),
e.client.Search.WithBody(bytes.NewBuffer(body)),
}
if scroll {
opts = append(opts, e.client.Search.WithScroll(time.Minute))
}
response, err := e.client.Search(opts...)
if err != nil {
return nil, err
}
defer response.Body.Close()
if response.IsError() {
return nil, parseError(response)
}
return io.ReadAll(response.Body)
}
func (e *Elastic) Scroll(id string) ([]byte, error) {
body, err := jsoniter.Marshal(map[string]string{
"scroll_id": id,
})
if err != nil {
return nil, err
}
response, err := e.client.Scroll(
e.client.Scroll.WithContext(context.Background()),
e.client.Scroll.WithBody(bytes.NewBuffer(body)),
e.client.Scroll.WithScroll(time.Minute))
if err != nil {
return nil, err
}
defer response.Body.Close()
if response.IsError() {
return nil, parseError(response)
}
b, err := io.ReadAll(response.Body)
return b, err
}
func (e *Elastic) ClearScroll(scrollId string) {
response, _ := e.client.ClearScroll(
e.client.ClearScroll.WithContext(context.Background()),
e.client.ClearScroll.WithScrollID(scrollId))
defer response.Body.Close()
}
func (e *Elastic) GetTotalHitCount(v interface{}) int64 {
m, _ := v.(map[string]interface{})
f, _ := m["value"].(float64)
return int64(f)
}
func parseError(response *esapi.Response) error {
var e versions.Error
if err := json.NewDecoder(response.Body).Decode(&e); err != nil {
return err
} else {
// Print the response status and error information.
if len(e.Details.RootCause) != 0 {
return fmt.Errorf("type: %v, reason: %v", e.Details.Type, e.Details.RootCause[0].Reason)
} else {
return fmt.Errorf("type: %v, reason: %v", e.Details.Type, e.Details.Reason)
}
}
}