import (
	"context"
	"net"
	"syscall"
	"time"
)

// CheckPortAvailability - check if given host and port is already in use.
// Note: The check method tries to listen on given port and closes it.
// It is possible to have a disconnected client in this tiny window of time.
func CheckPortAvailability(host, port string, opts TCPOptions) (err error) {
	lc := &net.ListenConfig{

package http

import (
	"context"
	"net"
	"time"
)

// CheckPortAvailability - check if given host and port is already in use.
// Note: The check method tries to listen on given port and closes it.
// It is possible to have a disconnected client in this tiny window of time.
func CheckPortAvailability(host, port string, opts TCPOptions) (err error) {
	lc := &net.ListenConfig{}

		expectedErr error
	}{
		{"", port, fmt.Errorf("listen tcp :%v: bind: address already in use", port)},
		{"127.0.0.1", port, fmt.Errorf("listen tcp 127.0.0.1:%v: bind: address already in use", port)},
	}

	for _, testCase := range testCases {
		err := CheckPortAvailability(testCase.host, strconv.Itoa(testCase.port), TCPOptions{})
		switch {
		case testCase.expectedErr == nil:
			if err != nil {

apiVersion: batch/v1
kind: Job
metadata:
  name: {{ template "minio.fullname" . }}-post-job
  labels:
    app: {{ template "minio.name" . }}-post-job
    chart: {{ template "minio.chart" . }}
    release: {{ .Release.Name }}
    heritage: {{ .Release.Service }}
  annotations:
    "helm.sh/hook": post-install,post-upgrade
    "helm.sh/hook-delete-policy": hook-succeeded,before-hook-creation

    - port: 80
      targetPort: 8080
      name: http2
    - port: 443
      targetPort: 8443
      name: https
    - port: 31400
      targetPort: 31400
      name: tcp
      # This is the port where sni routing happens
    - port: 15443
      targetPort: 15443
      name: tls
    resources:
      requests:
        cpu: 10m

  // +listType=atomic
  repeated Endpoint endpoints = 2;

  // ports specifies the list of network ports exposed by each endpoint in
  // this slice. Each port must have a unique name. When ports is empty, it
  // indicates that there are no defined ports. When a port is defined with a
  // nil port value, it indicates "all ports". Each slice may include a
  // maximum of 100 ports.
  // +optional
  // +listType=atomic

   * @param port a port number from [0..65535]
   * @return if parsing was successful, a populated HostAndPort object.
   * @throws IllegalArgumentException if {@code host} contains a port number, or {@code port} is out
   *     of range.
   */
  public static HostAndPort fromParts(String host, int port) {
    checkArgument(isValidPort(port), "Port out of range: %s", port);

        try {
            negotiate( port, resp );
        } catch( ConnectException ce ) {
            // Try an alternate port if there was an issue communicating to the server
            // Only set the alternate port to the port property if it was successful
            int altPort = (port == 0 || port == DEFAULT_PORT) ? 139 : DEFAULT_PORT;
            negotiate( altPort, resp );
            port = altPort;

		if filter.Verify(l) {
			verifiedListeners = append(verifiedListeners, l)
		}
	}

	// Sort by port, addr, type
	sort.Slice(verifiedListeners, func(i, j int) bool {
		iPort := retrieveListenerPort(verifiedListeners[i])
		jPort := retrieveListenerPort(verifiedListeners[j])
		if iPort != jPort {
			return iPort < jPort
		}
		iAddr := retrieveListenerAddress(verifiedListeners[i])

	kiali.PersistentFlags().IntVar(&kialiPort, "ui-port", defaultKialiPort, "The component dashboard UI port.")
	dashboardCmd.AddCommand(kiali)

	prom := promDashCmd(cliContext)
	prom.PersistentFlags().IntVar(&promPort, "ui-port", defaultPrometheusPort, "The component dashboard UI port.")
	dashboardCmd.AddCommand(prom)

	graf := grafanaDashCmd(cliContext)