name: "tls mode ISTIO_MUTUAL, with credentialName",
			server: &networking.Server{
				Hosts: []string{"httpbin.example.com"},
				Port: &networking.Port{
					Protocol: string(protocol.HTTPS),
				},
				Tls: &networking.ServerTLSSettings{
					Mode:           networking.ServerTLSSettings_ISTIO_MUTUAL,
					CredentialName: "ignored",
				},
			},
			result: &auth.DownstreamTlsContext{

			&networking.ServerTLSSettings{
				Mode:           networking.ServerTLSSettings_ISTIO_MUTUAL,
				CredentialName: "some-cred",
			},
			"cannot have associated credentialName", "",
		},
		{
			"invalid cipher suites",
			&networking.ServerTLSSettings{
				Mode:           networking.ServerTLSSettings_SIMPLE,
				CredentialName: "sds-name",
				CipherSuites:   []string{"not-a-cipher-suite"},
			},
			"", "not-a-cipher-suite",

		}
		if tls.CaCertificates != "" {
			v = AppendValidation(v, fmt.Errorf("ISTIO_MUTUAL TLS cannot have associated CA bundle"))
		}
		if tls.CredentialName != "" {
			v = AppendValidation(v, fmt.Errorf("ISTIO_MUTUAL TLS cannot have associated credentialName"))
		}
		return
	}

	if tls.Mode == networking.ServerTLSSettings_PASSTHROUGH || tls.Mode == networking.ServerTLSSettings_AUTO_PASSTHROUGH {

					},
					ValidationContextType: &tls.CommonTlsContext_ValidationContext{},
				},
			},
		},
		{
			name:        "With tls mode simple and CredentialName, InsecureSkipVerify is set true and env VERIFY_CERTIFICATE_AT_CLIENT is true",
			cluster:     &cluster.Cluster{Name: "foo", ClusterDiscoveryType: &cluster.Cluster_Type{Type: cluster.Cluster_EDS}},

caCertificates: description: 'OPTIONAL: The path to the file containing certificate authority certificates to use in verifying a presented server certificate.' type: string clientCertificate: description: REQUIRED if mode is `MUTUAL`. type: string credentialName: description: The name of the secret that holds the TLS certs for the client including the CA certificates. type: string insecureSkipVerify: description: '`insecureSkipVerify` specifies whether the proxy should skip verifying the CA signature...

  servers:
  - port:
      number: {{.GatewayPort}}
      name: {{.GatewayPortName}}
      protocol: {{.GatewayProtocol}}
{{- if .Credential }}
    tls:
      mode: {{.TLSMode}}
      credentialName: {{.Credential}}
{{- if .Ciphers }}
      cipherSuites:
{{- range $cipher := .Ciphers }}
      - "{{$cipher}}"
{{- end }}
{{- end }}
{{- end }}
    hosts:
    - "{{.GatewayHost}}"
---
`