return err
	}
	_, _ = c.Stdout.Write([]byte("\n"))
	if err := c.PrintClusterSummary(cf); err != nil {
		return err
	}
	_, _ = c.Stdout.Write([]byte("\n"))
	if err := c.PrintListenerSummary(lf); err != nil {
		return err
	}
	_, _ = c.Stdout.Write([]byte("\n"))
	if err := c.PrintRouteSummary(rf); err != nil {
		return err
	}
	_, _ = c.Stdout.Write([]byte("\n"))
	if err := c.PrintSecretSummary(); err != nil {

				}
			} else {
				return fmt.Errorf("unknown stats type %s", statsType)
			}

			switch outputFormat {
			// convert the json output to yaml
			case yamlOutput:
				var out []byte
				if out, err = yaml.JSONToYAML([]byte(stats)); err != nil {
					return err
				}
				_, _ = fmt.Fprint(c.OutOrStdout(), string(out))
			default:
				_, _ = fmt.Fprint(c.OutOrStdout(), stats)
			}

			return nil
		},

		for i, col := range row {
			_, _ = fmt.Fprint(c.writer, col.String())
			if i == len(row)-1 {
				_, _ = fmt.Fprint(c.writer, "\n")
			} else {
				padAmount := sep[i] - utf8.RuneCount([]byte(col.Value)) + 2
				_, _ = fmt.Fprint(c.writer, strings.Repeat(" ", padAmount))
			}
		}
	}
}

func max(x, y int) int {
	if x < y {
		return y
	}
	return x
}

		ztunClient *net.UnixConn
		ztunServer *ztunnelServer
	}{ztunClient: ztunClient, ztunServer: ztun}
}

func readRequest(t *testing.T, c *net.UnixConn) (*zdsapi.WorkloadRequest, []int) {
	var oob [1024]byte
	m, oobn, err := readProto[zdsapi.WorkloadRequest](c, time.Second, oob[:])
	if err != nil {
		panic(err)
	}

	receivedoob := oob[:oobn]
	msgs, err := unix.ParseSocketControlMessage(receivedoob)

          "inline_string": "[%START_TIME%] \"%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%\" %RESPONSE_CODE% %RESPONSE_FLAGS% %RESPONSE_CODE_DETAILS% %CONNECTION_TERMINATION_DETAILS% \"%UPSTREAM_TRANSPORT_FAILURE_REASON%\" %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% \"%REQ(X-FORWARDED-FOR)%\" \"%REQ(USER-AGENT)%\" \"%REQ(X-REQUEST-ID)%\" \"%REQ(:AUTHORITY)%\" \"%UPSTREAM_HOST%\" %UPSTREAM_CLUSTER% %UPSTREAM_LOCAL_ADDRESS% %DOWNSTREAM_LOCAL_ADDRESS%...

// limitations under the License.

package compare

import (
	"bytes"
	"fmt"
	"time"

	"github.com/pmezard/go-difflib/difflib"

	"istio.io/istio/pkg/util/protomarshal"
)

// RouteDiff prints a diff between Istiod and Envoy routes to the passed writer
func (c *Comparator) RouteDiff() error {
	envoyBytes, istiodBytes := &bytes.Buffer{}, &bytes.Buffer{}
	envoyRouteDump, err := c.envoy.GetDynamicRouteDump(true)

`

func TestLogHelp(t *testing.T) {
	var out bytes.Buffer
	rootCmd := GetRootCmd([]string{"options"})
	rootCmd.SetOut(&out)
	rootCmd.SetErr(&out)

	fErr := rootCmd.Execute()
	if fErr != nil {
		t.Fatalf("options failed with %v and %q\n", fErr, out.String())
	}
	if !regexp.MustCompile(expectedOutput).Match(out.Bytes()) {
		t.Fatalf("'istioctl options' expected output\n%s\n  got\n%s",

                "uid": "${datasource}"
              },
              "expr": "max(rate(envoy_cluster_upstream_cx_rx_bytes_total{cluster_name=\"xds-grpc\"}[1m]))",
              "format": "time_series",
              "hide": false,
              "intervalFactor": 1,
              "legendFormat": "XDS Response Bytes Max",
              "refId": "D"
            },
            {
              "datasource": {

//
// For more information, see:
//   - http://man7.org/linux/man-pages/man7/cgroups.7.html
//   - https://www.kernel.org/doc/Documentation/cgroup-v2.txt
func GetCgroups(procCgroupData bytes.Buffer) ([]Cgroup, error) {
	reader := bytes.NewReader(procCgroupData.Bytes())
	var cgroups []Cgroup
	scanner := bufio.NewScanner(reader)

	for scanner.Scan() {
		token := scanner.Text()
		substrings := strings.SplitN(token, ":", 3)

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package configdump

import (
	"bytes"
	"io"
	"os"
	"testing"

	"istio.io/istio/pkg/test/util/assert"
)

func TestSDSWriter_ValidCert(t *testing.T) {
	configDumpFile, err := os.Open("testdata/secret/config_dump.json")
	if err != nil {