package collector import ( "bytes" "encoding/base64" "encoding/json" "net" "net/http" "strconv" "time" "github.com/mitchellh/hashstructure" "github.com/rs/zerolog/log" "github.com/traefik/traefik/v2/pkg/config/static" "github.com/traefik/traefik/v2/pkg/redactor" "github.com/traefik/traefik/v2/pkg/version" ) // collectorURL URL where the stats are sent. const collectorURL = "https://collect.traefik.io/9vxmmkcdmalbdi635d4jgc5p5rx0h7h8" // Collected data. type data struct { Version string Codename string BuildDate string Configuration string Hash string } // Collect anonymous data. func Collect(staticConfiguration *static.Configuration) error { buf, err := createBody(staticConfiguration) if err != nil { return err } resp, err := makeHTTPClient().Post(collectorURL, "application/json; charset=utf-8", buf) if resp != nil { _ = resp.Body.Close() } return err } func createBody(staticConfiguration *static.Configuration) (*bytes.Buffer, error) { anonConfig, err := redactor.Anonymize(staticConfiguration) if err != nil { return nil, err } log.Debug().Msgf("Anonymous stats sent to %s: %s", collectorURL, anonConfig) hashConf, err := hashstructure.Hash(staticConfiguration, nil) if err != nil { return nil, err } data := &data{ Version: version.Version, Codename: version.Codename, BuildDate: version.BuildDate, Hash: strconv.FormatUint(hashConf, 10), Configuration: base64.StdEncoding.EncodeToString([]byte(anonConfig)), } buf := new(bytes.Buffer) err = json.NewEncoder(buf).Encode(data) if err != nil { return nil, err } return buf, err } func makeHTTPClient() *http.Client { dialer := &net.Dialer{ Timeout: 30 * time.Second, KeepAlive: 30 * time.Second, DualStack: true, } transport := &http.Transport{ Proxy: http.ProxyFromEnvironment, DialContext: dialer.DialContext, IdleConnTimeout: 90 * time.Second, TLSHandshakeTimeout: 10 * time.Second, ExpectContinueTimeout: 1 * time.Second, } return &http.Client{Transport: transport} }