},
		{
			testName: "datadog address empty",
			key:      "datadog",
			option:   option.DataDogAddress(""),
			expected: nil,
		},
		{
			testName: "datadog address ipv4",
			key:      "datadog",
			option:   option.DataDogAddress("127.0.0.1:80"),
			expected: "{\"address\": \"127.0.0.1\", \"port_value\": 80}",
		},
		{
			testName: "datadog address ipv6",
			key:      "datadog",

      {{- else if eq .Values.global.proxy.tracer "datadog" }}
        datadog:
          # Address of the Datadog Agent
          address: {{ ((.Values.global.tracer).datadog).address | default "$(HOST_IP):8126" }}
      {{- else if eq .Values.global.proxy.tracer "stackdriver" }}
        stackdriver:

        // libraries from lightstep do not support x-ot-span-context.
        "x-ot-span-context",

        // Datadog tracing header. Propagate these headers if you use Datadog
        // tracing.
        "x-datadog-trace-id",
        "x-datadog-parent-id",
        "x-datadog-sampling-priority",

        // W3C Trace Context. Compatible with OpenCensusAgent and Stackdriver Istio
        // configurations.

		d = unsafe.Pointer(&data[0])
	}
	datasiz := len(data)

	nsid, a, err := xattrnamespace(attr)
	if err != nil {
		return
	}

	_, err = ExtattrSetFd(fd, nsid, a, uintptr(d), datasiz)
	return
}

func Setxattr(file string, attr string, data []byte, flags int) (err error) {
	var d unsafe.Pointer
	if len(data) > 0 {
		d = unsafe.Pointer(&data[0])
	}
	datasiz := len(data)

    - name: envoyExtAuthzHttp
      envoyExtAuthzHttp:
    - name: envoyExtAuthzGrpc
      envoyExtAuthzGrpc:
    - name: zipkin
      zipkin:
    - name: lightstep
      lightstep:
    - name: datadog
      datadog:
    - name: opencensus
      opencensus:
    - name: skywalking
      skywalking:
    - name: envoyHttpAls
      envoyHttpAls:
    - name: envoyTcpAls
      envoyTcpAls:
    - name: opentelemetry

      {{- else if eq .Values.global.proxy.tracer "datadog" }}
        datadog:
          # Address of the Datadog Agent
          address: {{ ((.Values.global.tracer).datadog).address | default "$(HOST_IP):8126" }}
      {{- else if eq .Values.global.proxy.tracer "stackdriver" }}
        stackdriver:

apiVersion: release-notes/v2
kind: bug-fix
area: telemetry

issue:
- 38573
releaseNotes:
- |

service_cluster:           "istio-proxy"
drain_duration:            {seconds: 2}
discovery_address:         "istio-pilot:15010"
proxy_admin_port:          15000
control_plane_auth_policy: NONE

apiVersion: release-notes/v2
kind: bug-fix
area: telemetry

issue:
- 41829
releaseNotes:
- |

	buf := make([]byte, headersize)
	if err := preadn(fd, buf, 0); err != nil {
		return nil, errors.New("corrupt tzdata file " + file)
	}
	d := dataIO{buf, false}
	if magic := d.read(6); string(magic) != "tzdata" {
		return nil, errors.New("corrupt tzdata file " + file)
	}
	d = dataIO{buf[12:], false}
	indexOff, _ := d.big4()
	dataOff, _ := d.big4()
	indexSize := dataOff - indexOff
	entrycount := indexSize / entrysize