2024-05-23 15:20:17 +08:00

298 lines
6.5 KiB
Go

package xes
import (
"bytes"
"context"
"crypto/tls"
"encoding/json"
"fmt"
"github.com/loveuer/esgo2dump/model"
"github.com/loveuer/esgo2dump/xes/es6"
"net"
"net/http"
"net/url"
"strings"
"time"
elastic "github.com/elastic/go-elasticsearch/v6"
"github.com/elastic/go-elasticsearch/v6/esapi"
"github.com/elastic/go-elasticsearch/v6/esutil"
"github.com/loveuer/esgo2dump/internal/interfaces"
"github.com/loveuer/esgo2dump/internal/opt"
"github.com/loveuer/esgo2dump/internal/util"
"github.com/sirupsen/logrus"
)
func NewClientV6(url *url.URL, iot interfaces.IO) (interfaces.DumpIO, error) {
var (
address = fmt.Sprintf("%s://%s", url.Scheme, url.Host)
urlIndex = strings.TrimPrefix(url.Path, "/")
urlUsername string
urlPassword string
errCh = make(chan error)
cliCh = make(chan *elastic.Client)
)
if url.User != nil {
urlUsername = url.User.Username()
if p, ok := url.User.Password(); ok {
urlPassword = p
}
}
logrus.
WithField("action", "new es client v6").
WithField("endpoint", address).
WithField("index", urlIndex).
WithField("username", urlUsername).
WithField("password", urlPassword).
Debug()
if urlIndex == "" {
return nil, fmt.Errorf("please specify index name: (like => http://127.0.0.1:9200/my_index)")
}
ncFunc := func(endpoints []string, username, password, index string) {
var (
err error
cli *elastic.Client
infoResp *esapi.Response
)
if cli, err = elastic.NewClient(
elastic.Config{
Addresses: endpoints,
Username: username,
Password: password,
CACert: nil,
RetryOnStatus: []int{429},
MaxRetries: 3,
RetryBackoff: nil,
Transport: &http.Transport{
TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
DialContext: (&net.Dialer{Timeout: 10 * time.Second}).DialContext,
},
},
); err != nil {
logrus.
WithField("action", "new es client v6 error").
WithField("endpoints", endpoints).
WithField("err", err).
Debug()
errCh <- err
return
}
if infoResp, err = cli.Info(); err != nil {
logrus.
WithField("action", "es client v6 ping error").
WithField("err", err).
Debug()
errCh <- err
return
}
if infoResp.StatusCode != 200 {
err = fmt.Errorf("info xes status=%d", infoResp.StatusCode)
logrus.
WithField("action", "es client v6 ping status error").
WithField("status", infoResp.StatusCode).
Debug()
errCh <- err
return
}
cliCh <- cli
}
go ncFunc([]string{address}, urlUsername, urlPassword, urlIndex)
select {
case <-util.Timeout(10).Done():
return nil, fmt.Errorf("dial es=%s err=%v", address, context.DeadlineExceeded)
case c := <-cliCh:
return &clientv6{client: c, index: urlIndex, iot: iot}, nil
case e := <-errCh:
return nil, e
}
}
type clientv6 struct {
client *elastic.Client
iot interfaces.IO
index string
}
func (c *clientv6) checkResponse(r *esapi.Response) error {
if r.StatusCode == 200 {
return nil
}
return fmt.Errorf("status=%d msg=%s", r.StatusCode, r.String())
}
func (c *clientv6) IOType() interfaces.IO {
return c.iot
}
func (c *clientv6) IsFile() bool {
return false
}
func (c *clientv6) Close() error {
return nil
}
func (c *clientv6) WriteData(ctx context.Context, docs []*model.ESSource) (int, error) {
var (
err error
indexer esutil.BulkIndexer
count int
be error
)
if indexer, err = esutil.NewBulkIndexer(esutil.BulkIndexerConfig{
Client: c.client,
Index: c.index,
DocumentType: "_doc",
ErrorTrace: true,
}); err != nil {
return 0, err
}
for _, doc := range docs {
var bs []byte
if bs, err = json.Marshal(doc.Content); err != nil {
return 0, err
}
logrus.WithField("raw", string(bs)).Debug()
if err = indexer.Add(context.Background(), esutil.BulkIndexerItem{
Action: "index",
Index: c.index,
DocumentID: doc.DocId,
Body: bytes.NewReader(bs),
OnFailure: func(ctx context.Context, item esutil.BulkIndexerItem, item2 esutil.BulkIndexerResponseItem, bulkErr error) {
be = bulkErr
},
}); err != nil {
return 0, err
}
count++
}
if err = indexer.Close(util.TimeoutCtx(ctx, opt.Timeout)); err != nil {
return 0, err
}
if be != nil {
return 0, be
}
stats := indexer.Stats()
if stats.NumFailed > 0 {
return count, fmt.Errorf("write to xes failed_count=%d bulk_count=%d", stats.NumFailed, count)
}
return count, nil
}
func (c *clientv6) ReadData(ctx context.Context, size int, query map[string]any, source []string) (<-chan []*model.ESSource, <-chan error) {
dch, ech := es6.ReadData(ctx, c.client, c.index, size, 0, query, source)
return dch, ech
}
func (c *clientv6) ReadMapping(ctx context.Context) (map[string]any, error) {
r, err := c.client.Indices.GetMapping(
c.client.Indices.GetMapping.WithIndex(c.index),
)
if err != nil {
return nil, err
}
if r.StatusCode != 200 {
return nil, fmt.Errorf("status=%d, msg=%s", r.StatusCode, r.String())
}
m := make(map[string]any)
decoder := json.NewDecoder(r.Body)
if err = decoder.Decode(&m); err != nil {
return nil, err
}
return m, nil
}
func (c *clientv6) WriteMapping(ctx context.Context, m map[string]any) error {
var (
err error
bs []byte
result *esapi.Response
)
for idxKey := range m {
if bs, err = json.Marshal(m[idxKey]); err != nil {
return err
}
if result, err = c.client.Indices.Create(
c.index,
c.client.Indices.Create.WithContext(util.TimeoutCtx(ctx, opt.Timeout)),
c.client.Indices.Create.WithBody(bytes.NewReader(bs)),
); err != nil {
return err
}
if err = c.checkResponse(result); err != nil {
return err
}
}
return nil
}
func (c *clientv6) ReadSetting(ctx context.Context) (map[string]any, error) {
r, err := c.client.Indices.GetSettings(
c.client.Indices.GetSettings.WithContext(util.TimeoutCtx(ctx, opt.Timeout)),
c.client.Indices.GetSettings.WithIndex(c.index),
)
if err != nil {
return nil, err
}
if r.StatusCode != 200 {
return nil, fmt.Errorf("status=%d, msg=%s", r.StatusCode, r.String())
}
m := make(map[string]any)
decoder := json.NewDecoder(r.Body)
if err = decoder.Decode(&m); err != nil {
return nil, err
}
return m, nil
}
func (c *clientv6) WriteSetting(ctx context.Context, m map[string]any) error {
var (
err error
bs []byte
result *esapi.Response
)
if bs, err = json.Marshal(m); err != nil {
return err
}
if result, err = c.client.Indices.PutSettings(
bytes.NewReader(bs),
c.client.Indices.PutSettings.WithContext(util.TimeoutCtx(ctx, opt.Timeout)),
); err != nil {
return err
}
return c.checkResponse(result)
}