86 lines
1.8 KiB
Go
86 lines
1.8 KiB
Go
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package es7
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import (
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"context"
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"crypto/tls"
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"fmt"
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elastic "github.com/elastic/go-elasticsearch/v7"
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"github.com/elastic/go-elasticsearch/v7/esapi"
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"github.com/loveuer/esgo2dump/internal/util"
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"net"
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"net/http"
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"net/url"
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"time"
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)
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func NewClient(ctx context.Context, url *url.URL) (*elastic.Client, error) {
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var (
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err error
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urlUsername string
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urlPassword string
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client *elastic.Client
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errCh = make(chan error)
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cliCh = make(chan *elastic.Client)
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address = fmt.Sprintf("%s://%s", url.Scheme, url.Host)
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)
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if url.User != nil {
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urlUsername = url.User.Username()
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if p, ok := url.User.Password(); ok {
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urlPassword = p
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}
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}
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ncFunc := func(endpoints []string, username, password string) {
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var (
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err error
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cli *elastic.Client
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infoResp *esapi.Response
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)
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if cli, err = elastic.NewClient(
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elastic.Config{
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Addresses: endpoints,
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Username: username,
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Password: password,
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CACert: nil,
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RetryOnStatus: []int{429},
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MaxRetries: 3,
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RetryBackoff: nil,
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Transport: &http.Transport{
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TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
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DialContext: (&net.Dialer{Timeout: 10 * time.Second}).DialContext,
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},
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},
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); err != nil {
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errCh <- err
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return
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}
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if infoResp, err = cli.Info(); err != nil {
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errCh <- err
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return
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}
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if infoResp.StatusCode != 200 {
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err = fmt.Errorf("info es7 status=%d", infoResp.StatusCode)
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errCh <- err
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return
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}
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cliCh <- cli
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}
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go ncFunc([]string{address}, urlUsername, urlPassword)
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timeout := util.TimeoutCtx(ctx, 10)
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select {
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case <-timeout.Done():
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return nil, fmt.Errorf("dial es=%s err=%v", address, context.DeadlineExceeded)
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case client = <-cliCh:
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return client, nil
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case err = <-errCh:
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return nil, err
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}
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}
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