name: appendh-route
  namespace: testns
spec:
  hosts:
    - appendh.test.istio.io
  http:
    - route:
      - destination:
          host: appendh.test.istio.io
      headers:
        request:
          add:

// Package iotest implements Readers and Writers useful mainly for testing.
package iotest

import (
	"bytes"
	"errors"
	"fmt"
	"io"
)

// OneByteReader returns a Reader that implements
// each non-empty Read by reading one byte from r.
func OneByteReader(r io.Reader) io.Reader { return &oneByteReader{r} }

type oneByteReader struct {
	r io.Reader
}

apiVersion: gateway.networking.k8s.io/v1beta1
kind: HTTPRoute
metadata:
  name: invalid-header-name
spec:
  rules:
  - matches:
    - headers:
      - type: Exact
        name: magic/

Laura Kassovic <******@****.***> 1701107622 -0800

    ```

!!! note "Detalhes Técnicos"
    `Header` é uma classe "irmã" de `Path`, `Query` e `Cookie`. Ela também herda da mesma classe em comum `Param`.

    Mas lembre-se que quando você importa `Query`, `Path`, `Header`, e outras de `fastapi`, elas são na verdade funções que retornam classes especiais.

!!! info

	XExtAuthzAllow                    = "allow"
	XExtAuthzCheckReceived            = "X-Ext-Authz-Check-Received"
	XExtAuthzAdditionalHeaderOverride = "X-Ext-Authz-Additional-Header-Override"
	GRPCAdditionalHeaderOverrideValue = "grpc-additional-header-override-value"

      Headers.Builder()
        .addUnsafeNonAscii("héader1", "value1")
        .build()
    }.also { expected ->
      assertThat(expected.message).isEqualTo("Unexpected char 0xe9 at 1 in header name: héader1")
    }
  }

  @Test fun addUnsafeNonAsciiAcceptsUnicodeValue() {
    val headers =
      Headers.Builder()
        .addUnsafeNonAscii("header1", "valué1")
        .build()

			header:          true,
			wantColumns:     []string{"header1", "header2", "header3"},
			wantFields:      "ok1,ok2,ok3\n" + `a word,"b"""` + "\n",
			wantErr:         io.EOF,
		},
		{
			// This works since LazyQuotes is true:
			file:            "invalid-badstartline.csv",
			recordDelimiter: "\n",
			fieldDelimiter:  ",",
			sendErr:         nil,
			header:          true,

- Client-go: Optimized leaders renewing leases by updating leader lock optimistically without getting the record from the API server first. Also, a new metric `leader_election_slowpath_total` was added to allow users to monitor how many leader elections are updated non-optimistically.

  configuration.
upgradeNotes:
  - title: Host header fallback disabled by default for Prometheus metrics for *all* inbound traffic.
    content: |
      Host header fallback for determining values for Prometheus `destination_service` labels has been disabled for all incoming traffic.
      Previously, this was disabled *only* for traffic arriving at Gateways. If you are relying on host header fallback behavior to properly