if err != nil {
		t.Fatal(err)
	}

	// unlock the file
	if err = l.Close(); err != nil {
		t.Fatal(err)
	}

	// try lock the unlocked file
	dupl, err := LockedOpenFile(f.Name(), os.O_WRONLY|os.O_CREATE, 0o600)
	if err != nil {
		t.Errorf("err = %v, want %v", err, nil)
	}

	// blocking on locked file
	locked := make(chan struct{}, 1)
	go func() {

			log.Warnf("cannot parse DNS capture environment variable %v", valErr)
		}
	}
	if v, found := pi.ProxyEnvironments["ISTIO_DUAL_STACK"]; found {
		// parse and set the bool value of dnsRedirect
		redir.dualStack, valErr = strconv.ParseBool(v)
		if valErr != nil {
			log.Warnf("cannot parse dual stack environment variable %v", valErr)
		}
	}
	if v, found := pi.ProxyEnvironments[cmd.InvalidDropByIptables]; found {

**Describe the feature request**

**Describe alternatives you've considered**

**Affected product area (please put an X in all that apply)**

[ ] Ambient
[ ] Docs
[ ] Dual Stack
[ ] Installation
[ ] Networking
[ ] Performance and Scalability
[ ] Extensions and Telemetry
[ ] Security
[ ] Test and Release
[ ] User Experience
[ ] Developer Infrastructure

    # treatment will be considered.
    platform: ""

    # Setup how istiod Service is configured. See https://kubernetes.io/docs/concepts/services-networking/dual-stack/#services
    # This is intended only for use with external istiod.
    ipFamilyPolicy: ""
    ipFamilies: []

  base:
    # Used for helm2 to add the CRDs to templates.
    enableCRDTemplates: false

  - type: checkboxes
    id: area
    attributes:
      label: Affected product area
      options:
      - label: "Ambient"
      - label: "Docs"
      - label: "Dual Stack"
      - label: "Installation"
      - label: "Networking"
      - label: "Performance and Scalability"
      - label: "Extensions and Telemetry"
      - label: "Security"
      - label: "Test and Release"

**Please provide a description of this PR:**



**To help us figure out who should review this PR, please put an X in all the areas that this PR affects.**

- [ ] Ambient
- [ ] Configuration Infrastructure
- [ ] Docs
- [ ] Dual Stack
- [ ] Installation
- [ ] Networking
- [ ] Performance and Scalability
- [ ] Policies and Telemetry
- [ ] Security
- [ ] Test and Release
- [ ] User Experience
- [ ] Developer Infrastructure

```

!!! tip "Dica"
	Você poderia precisar que o parâmetro contivesse `/home/johndoe/myfile.txt`, com uma barra no inicio (`/`).

	Neste caso, a URL deveria ser: `/files//home/johndoe/myfile.txt`, com barra dupla (`//`) entre `files` e `home`.


## Recapitulando

Com o **FastAPI**, usando as declarações de tipo do Python, você obtém:

* Suporte no editor: verificação de erros, e opção de autocompletar, etc.

  # CoreDNS should handle those domains and answer with NXDOMAIN instead of SERVFAIL
  # otherwise pods stops trying to resolve the domain.
  if [ "${IP_FAMILY}" = "ipv6" ] || [ "${IP_FAMILY}" = "dual" ]; then
    # Get the current config
    original_coredns=$(kubectl get -oyaml -n=kube-system configmap/coredns)
    echo "Original CoreDNS config:"
    echo "${original_coredns}"
    # Patch it
    fixed_coredns=$(

      podAnnotations: {}
      type: ClusterIP # change to NodePort or LoadBalancer if need be

      # Setup how istiod Service is configured. See https://kubernetes.io/docs/concepts/services-networking/dual-stack/#services
      ipFamilyPolicy: ""
      ipFamilies: []

      secretVolumes:
      - name: egressgateway-certs
        secretName: istio-egressgateway-certs
        mountPath: /etc/istio/egressgateway-certs

          memory: 1024Mi

      loadBalancerIP: ""
      loadBalancerSourceRanges: []
      serviceAnnotations: {}

      # Setup how istiod Service is configured. See https://kubernetes.io/docs/concepts/services-networking/dual-stack/#services
      ipFamilyPolicy: ""
      ipFamilies: []

      # To generate an internal load balancer:
      # --set serviceAnnotations.cloud.google.com/load-balancer-type=internal
      #serviceAnnotations: