Function initMetaHeader

elasticsearch.go:775–816

(transport interface{})

}

func initMetaHeader(transport interface{}) string {
	var b strings.Builder
	var strippedGoVersion string
	var strippedEsVersion string
	var strippedTransportVersion string

	strippedEsVersion = buildStrippedVersion(Version)
	strippedGoVersion = buildStrippedVersion(runtime.Version())

	if _, ok := transport.(*elastictransport.Client); ok {
		strippedTransportVersion = buildStrippedVersion(tpversion.Transport)
	} else {
		strippedTransportVersion = strippedEsVersion
	}

	var duos = [][]string{
		{
			"es",
			strippedEsVersion,
		},
		{
			"go",
			strippedGoVersion,
		},
		{
			"t",
			strippedTransportVersion,
		},
		{
			"hc",
			strippedGoVersion,
		},
	}

	var arr []string
	for _, duo := range duos {
		arr = append(arr, strings.Join(duo, "="))
	}
	b.WriteString(strings.Join(arr, ","))

	return b.String()
}

func buildStrippedVersion(version string) string {
	v := reMetaVersion.FindStringSubmatch(version)