# Gets the download command supported by the system (currently either curl or wget)
DOWNLOAD_COMMAND=""
function set_download_command () {
  # Try curl.
  if command -v curl > /dev/null; then
    if curl --version | grep Protocols  | grep https > /dev/null; then
      DOWNLOAD_COMMAND="curl -fLSs --retry 5 --retry-delay 1 --retry-connrefused"
      return
    fi
    echo curl does not support https, will try wget for downloading files.
  else

  //
  // Valid values are:
  //  "signing",
  //  "digital signature",
  //  "content commitment",
  //  "key encipherment",
  //  "key agreement",
  //  "data encipherment",
  //  "cert sign",
  //  "crl sign",
  //  "encipher only",
  //  "decipher only",
  //  "any",
  //  "server auth",
  //  "client auth",
  //  "code signing",
  //  "email protection",
  //  "s/mime",
  //  "ipsec end system",

                                  caCrl:
                                    description: 'OPTIONAL: The path to the file containing
                                      the certificate revocation list (CRL) to use
                                      in verifying a presented server certificate.'
                                    type: string
                                  clientCertificate:

# Gets the download command supported by the system (currently either curl or wget)
DOWNLOAD_COMMAND=""
function set_download_command () {
  # Try curl.
  if command -v curl > /dev/null; then
    if curl --version | grep Protocols  | grep https > /dev/null; then
      DOWNLOAD_COMMAND="curl -fLSs --retry 5 --retry-delay 1 --retry-connrefused"
      return
    fi
    echo curl does not support https, will try wget for downloading files.
  else

  istioctl proxy-config clusters <pod-name[.namespace]> --fqdn details.default.svc.cluster.local --direction inbound -o json

  # Retrieve cluster summary without using Kubernetes API
  ssh <user@hostname> 'curl localhost:15000/config_dump' > envoy-config.json
  istioctl proxy-config clusters --file envoy-config.json
`,
		Aliases: []string{"clusters", "c"},
		Args: func(cmd *cobra.Command, args []string) error {

# sudo apt-get update && apt-get whichever

# hadolint ignore=DL3005,DL3008
RUN apt-get update && \
  apt-get install --no-install-recommends -y \
  ca-certificates \
  curl \
  iptables \
  iproute2 \
  iputils-ping \
  knot-dnsutils \
  netcat-openbsd \
  tcpdump \
  conntrack \
  bsdmainutils \
  net-tools \
  lsof \
  sudo \
  && update-ca-certificates \

	}
	opts.AttachControlPlaneFlags(logCmd)
	logCmd.PersistentFlags().BoolVar(&istiodReset, "reset", istiodReset, "Reset levels to default value. (info)")
	logCmd.PersistentFlags().IntVar(&controlzPort, "ctrlz_port", 9876, "ControlZ port")
	logCmd.PersistentFlags().StringVar(&outputLogLevel, "level", outputLogLevel,
		"Comma-separated list of output logging level for scopes in the format of <scope>:<level>[,<scope>:<level>,...]. "+

                                  caCrl:
                                    description: 'OPTIONAL: The path to the file containing
                                      the certificate revocation list (CRL) to use
                                      in verifying a presented server certificate.'
                                    type: string
                                  clientCertificate:

# seems to be about obtaining a new version of the 3rd party libraries).
$(TARGET_OUT)/istio_is_init: bin/init.sh istio.deps | $(TARGET_OUT)
	@# Add a retry, as occasionally we see transient connection failures to GCS
	@# Like `curl: (56) OpenSSL SSL_read: SSL_ERROR_SYSCALL, errno 104`
	TARGET_OUT=$(TARGET_OUT) ISTIO_BIN=$(ISTIO_BIN) GOOS_LOCAL=$(GOOS_LOCAL) bin/retry.sh SSL_ERROR_SYSCALL bin/init.sh
	touch $(TARGET_OUT)/istio_is_init

  #interceptionMode: REDIRECT
  #
  # Port where Envoy listens (on local host) for admin commands
  # You can exec into the istio-proxy container in a pod and
  # curl the admin port (curl http://localhost:15000/) to obtain
  # diagnostic information from Envoy. See
  # https://lyft.github.io/envoy/docs/operations/admin.html
  # for more details
  proxyAdminPort: 15000
  #