feat: add es version 6 support

.github/workflows/build.yml

@@ -55,5 +55,4 @@ jobs:
             dist/esgo2dump_${{ github.ref_name }}_windows_amd64.exe
             dist/esgo2dump_${{ github.ref_name }}_windows_arm64.exe
             dist/esgo2dump_${{ github.ref_name }}_darwin_amd64
-            dist/esgo2dump_${{ github.ref_name }}_darwin_amd64
             dist/esgo2dump_${{ github.ref_name }}_darwin_arm64

.gitignore

@@ -1,9 +1,10 @@
 .idea
 .vscode
 .DS_Store
-data.json
+*data.json
-mapping.json
+*mapping.json
-setting.json
+*setting.json
-output.json
+*output.json
+*test.json
 *.txt
 dist

go.mod

@@ -3,7 +3,9 @@ module github.com/loveuer/esgo2dump
 go 1.18
 
 require (
+	github.com/elastic/go-elasticsearch/v6 v6.8.10
 	github.com/elastic/go-elasticsearch/v7 v7.17.10
+	github.com/samber/lo v1.39.0
 	github.com/sirupsen/logrus v1.9.3
 	github.com/spf13/cobra v1.8.0
 )
@@ -12,5 +14,6 @@ require (
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/stretchr/testify v1.8.4 // indirect
+	golang.org/x/exp v0.0.0-20220303212507-bbda1eaf7a17 // indirect
 	golang.org/x/sys v0.14.0 // indirect
 )

go.sum

@@ -2,6 +2,8 @@ github.com/cpuguy83/go-md2man/v2 v2.0.3/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46t
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/elastic/go-elasticsearch/v6 v6.8.10 h1:2lN0gJ93gMBXvkhwih5xquldszpm8FlUwqG5sPzr6a8=
+github.com/elastic/go-elasticsearch/v6 v6.8.10/go.mod h1:UwaDJsD3rWLM5rKNFzv9hgox93HoX8utj1kxD9aFUcI=
 github.com/elastic/go-elasticsearch/v7 v7.17.10 h1:TCQ8i4PmIJuBunvBS6bwT2ybzVFxxUhhltAs3Gyu1yo=
 github.com/elastic/go-elasticsearch/v7 v7.17.10/go.mod h1:OJ4wdbtDNk5g503kvlHLyErCgQwwzmDtaFC4XyOxXA4=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
@@ -9,6 +11,8 @@ github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLf
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
+github.com/samber/lo v1.39.0 h1:4gTz1wUhNYLhFSKl6O+8peW0v2F4BCY034GRpU9WnuA=
+github.com/samber/lo v1.39.0/go.mod h1:+m/ZKRl6ClXCE2Lgf3MsQlWfh4bn1bz6CXEOxnEXnEA=
 github.com/sirupsen/logrus v1.9.3 h1:dueUQJ1C2q9oE3F7wvmSGAaVtTmUizReu6fjN8uqzbQ=
 github.com/sirupsen/logrus v1.9.3/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVsIT4qYEQ=
 github.com/spf13/cobra v1.8.0 h1:7aJaZx1B85qltLMc546zn58BxxfZdR/W22ej9CFoEf0=
@@ -19,6 +23,8 @@ github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
 github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
+golang.org/x/exp v0.0.0-20220303212507-bbda1eaf7a17 h1:3MTrJm4PyNL9NBqvYDSj3DHl46qQakyfqfWo4jgfaEM=
+golang.org/x/exp v0.0.0-20220303212507-bbda1eaf7a17/go.mod h1:lgLbSvA5ygNOMpwM/9anMpWVlVJ7Z+cHWq/eFuinpGE=
 golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.14.0 h1:Vz7Qs629MkJkGyHxUlRHizWJRG2j8fbQKjELVSNhy7Q=
 golang.org/x/sys v0.14.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=

internal/cmd/cmd.go

@@ -19,8 +19,14 @@ esgo2dump --input=http://127.0.0.1:9200/some_index --output=./data.json
 
 esgo2dump --input=http://127.0.0.1:9200/some_index --output=http://192.168.1.1:9200/some_index --limit=5000
 
+esgo2dump --input=http://127.0.0.1:9200/some_index --i-version 6 --output=./data.json
+
+esgo2dump --output=http://127.0.0.1:9200/some_index --o-version 6 --input=./data.json
+
 esgo2dump --input=https://username:password@127.0.0.1:9200/some_index --output=./data.json
 
+esgo2dump --input=http://127.0.0.1:9200/some_index --source='id;name;age;address' --output=./data.json
+
 esgo2dump --input=http://127.0.0.1:9200/some_index --output=./data.json --query='{"match": {"name": "some_name"}}'
 
 esgo2dump --input=http://127.0.0.1:9200/some_index --output=./data.json --query_file=my_queries.json`,
@@ -30,11 +36,14 @@ esgo2dump --input=http://127.0.0.1:9200/some_index --output=./data.json --query_
 	f_output string
 	f_limit  int
 	f_type   string
+	f_source string
 	f_query  string
 
 	f_query_file string
 
 	f_version bool
+
+	es_iversion, es_oversion string
 )
 
 func init() {
@@ -44,7 +53,10 @@ func init() {
 
 	rootCommand.Flags().StringVarP(&f_input, "input", "i", "", "*required: input file or es url (example :data.json / http://127.0.0.1:9200/my_index)")
 	rootCommand.Flags().StringVarP(&f_output, "output", "o", "output.json", "")
+	rootCommand.Flags().StringVar(&es_iversion, "i-version", "7", "input(es) version")
+	rootCommand.Flags().StringVar(&es_oversion, "o-version", "7", "output(es) version")
 	rootCommand.Flags().StringVarP(&f_type, "type", "t", "data", "data/mapping/setting")
+	rootCommand.Flags().StringVarP(&f_source, "source", "s", "", "query source, use ';' to separate")
 	rootCommand.Flags().StringVarP(&f_query, "query", "q", "", `query dsl, example: {"bool":{"must":[{"term":{"name":{"value":"some_name"}}}],"must_not":[{"range":{"age":{"gte":18,"lt":60}}}]}}`)
 	rootCommand.Flags().StringVar(&f_query_file, "query_file", "", `query json file (will execute line by line)`)
 	rootCommand.Flags().IntVarP(&f_limit, "limit", "l", 100, "")

internal/cmd/run.go

@@ -4,14 +4,17 @@ import (
 	"bufio"
 	"context"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"net/url"
 	"os"
+	"strings"
 
 	"github.com/loveuer/esgo2dump/internal/interfaces"
 	"github.com/loveuer/esgo2dump/internal/opt"
 	"github.com/loveuer/esgo2dump/internal/xes"
 	"github.com/loveuer/esgo2dump/internal/xfile"
+	"github.com/samber/lo"
 	"github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
 )
@@ -48,6 +51,8 @@ func run(cmd *cobra.Command, args []string) error {
 
 	if opt.Debug {
 		logrus.SetLevel(logrus.DebugLevel)
+		logrus.SetReportCaller(true)
+		logrus.SetFormatter(&logrus.TextFormatter{})
 	}
 
 	if f_version {
@@ -59,11 +64,11 @@ func run(cmd *cobra.Command, args []string) error {
 		return err
 	}
 
-	if ioi, err = newIO(f_input, interfaces.IOInput); err != nil {
+	if ioi, err = newIO(f_input, interfaces.IOInput, es_iversion); err != nil {
 		return err
 	}
 
-	if ioo, err = newIO(f_output, interfaces.IOOutput); err != nil {
+	if ioo, err = newIO(f_output, interfaces.IOOutput, es_oversion); err != nil {
 		return err
 	}
 
@@ -76,6 +81,10 @@ func run(cmd *cobra.Command, args []string) error {
 		return fmt.Errorf("with file input, query or query_file can't be supported")
 	}
 
+	if (f_source != "") && ioi.IsFile() {
+		return fmt.Errorf("with file input, source can't be supported")
+	}
+
 	switch f_type {
 	case "data":
 		if err = executeData(cmd.Context(), ioi, ioo); err != nil {
@@ -122,8 +131,15 @@ func executeData(ctx context.Context, input, output interfaces.DumpIO) error {
 		ch      = make(chan []*interfaces.ESSource, 1)
 		errCh   = make(chan error)
 		queries = make([]map[string]any, 0)
+		sources = make([]string, 0)
 	)
 
+	if f_source != "" {
+		sources = lo.Map(strings.Split(f_source, ";"), func(item string, idx int) string {
+			return strings.TrimSpace(item)
+		})
+	}
+
 	if f_query != "" {
 		query := make(map[string]any)
 		if err = json.Unmarshal([]byte(f_query), &query); err != nil {
@@ -187,7 +203,7 @@ func executeData(ctx context.Context, input, output interfaces.DumpIO) error {
 				case <-c.Done():
 					return
 				default:
-					if lines, err = input.ReadData(c, f_limit, query); err != nil {
+					if lines, err = input.ReadData(c, f_limit, query, sources); err != nil {
 						errCh <- err
 						return
 					}
@@ -247,7 +263,7 @@ func executeData(ctx context.Context, input, output interfaces.DumpIO) error {
 	}
 }
 
-func newIO(source string, ioType interfaces.IO) (interfaces.DumpIO, error) {
+func newIO(source string, ioType interfaces.IO, esv string) (interfaces.DumpIO, error) {
 	var (
 		err  error
 		iurl *url.URL
@@ -279,9 +295,18 @@ func newIO(source string, ioType interfaces.IO) (interfaces.DumpIO, error) {
 		}
 	}
 
-	logrus.Debugf("newIO.%s: source as url=%+v", ioType.Code(), *iurl)
+	logrus.Debugf("newIO.%s: source as url=%+v version=%s", ioType.Code(), *iurl, esv)
 
-	return xes.NewClient(iurl, ioType)
+	switch esv {
+	case "7":
+		return xes.NewClient(iurl, ioType)
+	case "6":
+		return xes.NewClientV6(iurl, ioType)
+	case "8":
+		return nil, errors.New("es version 8 comming soon")
+	default:
+		return nil, fmt.Errorf("unknown es version=%s", esv)
+	}
 
 ClientByFile:
 	if ioType == interfaces.IOOutput {

internal/interfaces/dumpio.go

@@ -3,7 +3,7 @@ package interfaces
 import "context"
 
 type DumpIO interface {
-	ReadData(context.Context, int, map[string]any) ([]*ESSource, error)
+	ReadData(context.Context, int, map[string]any, []string) ([]*ESSource, error)
 	WriteData(ctx context.Context, docs []*ESSource) (int, error)
 
 	ResetOffset()

internal/interfaces/source.go

@@ -31,3 +31,20 @@ type ESMapping map[string]struct {
 		Properties map[string]any `json:"properties"`
 	} `json:"mappings"`
 }
+
+type ESResponseV6 struct {
+	ScrollId string `json:"_scroll_id"`
+	Took     int    `json:"took"`
+	TimedOut bool   `json:"timed_out"`
+	Shards   struct {
+		Total      int `json:"total"`
+		Successful int `json:"successful"`
+		Skipped    int `json:"skipped"`
+		Failed     int `json:"failed"`
+	} `json:"_shards"`
+	Hits struct {
+		Total    int         `json:"total"`
+		MaxScore float64     `json:"max_score"`
+		Hits     []*ESSource `json:"hits"`
+	} `json:"hits"`
+}

internal/xes/xes.go

@@ -201,7 +201,7 @@ func (c *client) WriteData(ctx context.Context, docs []*interfaces.ESSource) (in
 	return count, nil
 }
 
-func (c *client) ReadData(ctx context.Context, i int, query map[string]any) ([]*interfaces.ESSource, error) {
+func (c *client) ReadData(ctx context.Context, i int, query map[string]any, source []string) ([]*interfaces.ESSource, error) {
 	var (
 		err    error
 		resp   *esapi.Response
@@ -217,6 +217,10 @@ func (c *client) ReadData(ctx context.Context, i int, query map[string]any) ([]*
 			c.c.Search.WithScroll(time.Duration(opt.Timeout*2) * time.Second),
 		}
 
+		if len(source) > 0 {
+			qs = append(qs, c.c.Search.WithSourceIncludes(source...))
+		}
+
 		if query != nil && len(query) > 0 {
 			queryBs, _ := json.Marshal(map[string]any{"query": query})
 			qs = append(qs, c.c.Search.WithBody(bytes.NewReader(queryBs)))

internal/xes/xes6.go

@@ -0,0 +1,364 @@
+package xes
+
+import (
+	"bytes"
+	"context"
+	"crypto/tls"
+	"encoding/json"
+	"fmt"
+	"io"
+	"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.Debugf("xes.NewClient: endpoint=%s index=%s (username=%s password=%s)", address, urlIndex, urlUsername, urlPassword)
+
+	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.Debugf("xes.NewClient: elastic new client with endpont=%s err=%v", endpoints, err)
+			errCh <- err
+			return
+		}
+
+		if infoResp, err = cli.Info(); err != nil {
+			logrus.Debugf("xes.NewClient: ping err=%v", err)
+			errCh <- err
+			return
+		}
+
+		if infoResp.StatusCode != 200 {
+			err = fmt.Errorf("info xes status=%d", infoResp.StatusCode)
+			logrus.Debugf("xes.NewClient: status err=%v", err)
+			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{c: c, index: urlIndex, iot: iot}, nil
+	case e := <-errCh:
+		return nil, e
+	}
+}
+
+type clientv6 struct {
+	c        *elastic.Client
+	iot      interfaces.IO
+	index    string
+	scrollId 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) ResetOffset() {
+	defer func() {
+		c.scrollId = ""
+	}()
+
+	bs, _ := json.Marshal(map[string]string{
+		"scroll_id": c.scrollId,
+	})
+
+	rr, err := c.c.ClearScroll(
+		c.c.ClearScroll.WithContext(util.Timeout(3)),
+		c.c.ClearScroll.WithBody(bytes.NewReader(bs)),
+	)
+	if err != nil {
+		logrus.Warnf("ResetOffset: clear scroll id=%s err=%v", c.scrollId, err)
+		return
+	}
+
+	if rr.StatusCode != 200 {
+		logrus.Warnf("ResetOffset: clear scroll id=%s msg=%s", c.scrollId, rr.String())
+	}
+}
+func (c *clientv6) WriteData(ctx context.Context, docs []*interfaces.ESSource) (int, error) {
+	var (
+		err     error
+		indexer esutil.BulkIndexer
+		count   int
+		be      error
+	)
+	if indexer, err = esutil.NewBulkIndexer(esutil.BulkIndexerConfig{
+		Client:       c.c,
+		Index:        c.index,
+		Refresh:      "",
+		DocumentType: "_doc",
+	}); 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, i int, query map[string]any, source []string) ([]*interfaces.ESSource, error) {
+	var (
+		err    error
+		resp   *esapi.Response
+		result = new(interfaces.ESResponseV6)
+		bs     []byte
+	)
+
+	if c.scrollId == "" {
+		qs := []func(*esapi.SearchRequest){
+			c.c.Search.WithContext(util.TimeoutCtx(ctx, opt.Timeout)),
+			c.c.Search.WithIndex(c.index),
+			c.c.Search.WithSize(i),
+			c.c.Search.WithFrom(0),
+			c.c.Search.WithScroll(time.Duration(opt.Timeout*2) * time.Second),
+		}
+
+		if len(source) > 0 {
+			qs = append(qs, c.c.Search.WithSourceIncludes(source...))
+		}
+
+		if query != nil && len(query) > 0 {
+			queryBs, _ := json.Marshal(map[string]any{"query": query})
+			qs = append(qs, c.c.Search.WithBody(bytes.NewReader(queryBs)))
+		}
+
+		if resp, err = c.c.Search(qs...); err != nil {
+			return nil, err
+		}
+		defer resp.Body.Close()
+
+		if resp.StatusCode != 200 {
+			return nil, fmt.Errorf(resp.String())
+		}
+
+		if bs, err = io.ReadAll(resp.Body); err != nil {
+			return nil, err
+		}
+
+		if err = json.Unmarshal(bs, result); err != nil {
+			logrus.
+				WithField("err", err.Error()).
+				WithField("raw", string(bs)).
+				Debug()
+			return nil, err
+		}
+
+		c.scrollId = result.ScrollId
+
+		return result.Hits.Hits, nil
+	}
+
+	if resp, err = c.c.Scroll(
+		c.c.Scroll.WithScrollID(c.scrollId),
+		c.c.Scroll.WithScroll(time.Duration(opt.Timeout*2)*time.Second),
+	); err != nil {
+		return result.Hits.Hits, nil
+	}
+
+	decoder := json.NewDecoder(resp.Body)
+	if err = decoder.Decode(result); err != nil {
+		return nil, err
+	}
+
+	return result.Hits.Hits, nil
+}
+
+func (c *clientv6) ReadMapping(ctx context.Context) (map[string]any, error) {
+	r, err := c.c.Indices.GetMapping(
+		c.c.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.c.Indices.Create(
+			c.index,
+			c.c.Indices.Create.WithContext(util.TimeoutCtx(ctx, opt.Timeout)),
+			c.c.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.c.Indices.GetSettings(
+		c.c.Indices.GetSettings.WithContext(util.TimeoutCtx(ctx, opt.Timeout)),
+		c.c.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.c.Indices.PutSettings(
+		bytes.NewReader(bs),
+		c.c.Indices.PutSettings.WithContext(util.TimeoutCtx(ctx, opt.Timeout)),
+	); err != nil {
+		return err
+	}
+
+	return c.checkResponse(result)
+}

internal/xfile/xfile.go

@@ -4,10 +4,11 @@ import (
 	"bufio"
 	"context"
 	"encoding/json"
-	"github.com/loveuer/esgo2dump/internal/opt"
 	"io"
 	"os"
 
+	"github.com/loveuer/esgo2dump/internal/opt"
+
 	"github.com/loveuer/esgo2dump/internal/interfaces"
 )
 
@@ -111,7 +112,7 @@ func (c *client) WriteData(ctx context.Context, docs []*interfaces.ESSource) (in
 	return count, nil
 }
 
-func (c *client) ReadData(ctx context.Context, i int, _ map[string]any) ([]*interfaces.ESSource, error) {
+func (c *client) ReadData(ctx context.Context, i int, _ map[string]any, _ []string) ([]*interfaces.ESSource, error) {
 	var (
 		err   error
 		count = 0

readme.md

@@ -26,11 +26,17 @@ esgo2dump --input=http://127.0.0.1:9200/some_index --output=./data.json
 
 esgo2dump --input=http://127.0.0.1:9200/some_index --output=http://192.168.1.1:9200/some_index --limit=5000
 
+esgo2dump --input=http://127.0.0.1:9200/some_index --i-version 6 --output=./data.json
+
+esgo2dump --output=http://127.0.0.1:9200/some_index --o-version 6 --input=./data.json
+
 esgo2dump --input=https://username:password@127.0.0.1:9200/some_index --output=./data.json
 
+esgo2dump --input=http://127.0.0.1:9200/some_index --source='id;name;age;address;phones' --output=./data.json
+
 esgo2dump --input=http://127.0.0.1:9200/some_index --output=./data.json --query='{"match": {"name": "some_name"}}'
 
-esgo2dump --input=http://127.0.0.1:9200/some_index --output=./data.json --query_file=my_queries.json
+esgo2dump --input=http://127.0.0.1:9200/some_index --output=./data.json --query_file=my_queries.json`,
 ```
 
 - example_queries.json
@@ -48,4 +54,5 @@ esgo2dump --input=http://127.0.0.1:9200/some_index --output=./data.json --query_
 - [x] es to es
 - [x] auto create index with mapping
 - [ ] auto create index with mapping,setting
-- [ ] support es8
+- [ ] support es8
+- [x] support es6