// CheckAvailablePorts ensures that ports used by OpenShift are available on the Docker host
func (c *ClientStartConfig) CheckAvailablePorts(out io.Writer) error {
for _, port := range openshift.RouterPorts {
err := c.OpenShiftHelper().TestPorts([]int{port})
if err != nil {
fmt.Fprintf(out, "WARNING: Port %d is already in use and may cause routing issues for applications.\n", port)
}
}
err := c.OpenShiftHelper().TestPorts(openshift.DefaultPorts)
if err == nil {
c.DNSPort = openshift.DefaultDNSPort
return nil
}
if !openshift.IsPortsNotAvailableErr(err) {
return err
}
conflicts := openshift.UnavailablePorts(err)
if len(conflicts) == 1 && conflicts[0] == openshift.DefaultDNSPort {
err = c.OpenShiftHelper().TestPorts(openshift.PortsWithAlternateDNS)
if err == nil {
c.DNSPort = openshift.AlternateDNSPort
fmt.Fprintf(out, "WARNING: Binding DNS on port %d instead of 53, which may not be resolvable from all clients.\n", openshift.AlternateDNSPort)
return nil
}
}
return errors.NewError("a port needed by OpenShift is not available").WithCause(err)
}
// CheckAvailablePorts ensures that ports used by OpenShift are available on the Docker host
func (c *ClientStartConfig) CheckAvailablePorts(out io.Writer) error {
c.DNSPort = openshift.DefaultDNSPort
err := c.OpenShiftHelper().TestPorts(openshift.AllPorts)
if err == nil {
return nil
}
if !openshift.IsPortsNotAvailableErr(err) {
return err
}
unavailable := sets.NewInt(openshift.UnavailablePorts(err)...)
if unavailable.HasAny(openshift.BasePorts...) {
return errors.NewError("a port needed by OpenShift is not available").WithCause(err)
}
if unavailable.Has(openshift.DefaultDNSPort) {
if unavailable.Has(openshift.AlternateDNSPort) {
return errors.NewError("a port needed by OpenShift is not available").WithCause(err)
}
c.DNSPort = openshift.AlternateDNSPort
fmt.Fprintf(out, "WARNING: Binding DNS on port %d instead of 53, which may not be resolvable from all clients.\n", openshift.AlternateDNSPort)
}
for _, port := range openshift.RouterPorts {
if unavailable.Has(port) {
fmt.Fprintf(out, "WARNING: Port %d is already in use and may cause routing issues for applications.\n", port)
}
}
return nil
}
// CheckAvailablePorts ensures that ports used by OpenShift are available on the Docker host
func (c *ClientStartConfig) CheckAvailablePorts(out io.Writer) error {
err := c.OpenShiftHelper().TestPorts(openshift.DefaultPorts)
if err == nil {
c.DNSPort = openshift.DefaultDNSPort
return nil
}
if !openshift.IsPortsNotAvailableErr(err) {
return err
}
conflicts := openshift.UnavailablePorts(err)
if len(conflicts) == 1 && conflicts[0] == openshift.DefaultDNSPort {
err = c.OpenShiftHelper().TestPorts(openshift.PortsWithAlternateDNS)
if err == nil {
c.DNSPort = openshift.AlternateDNSPort
fmt.Fprintf(out, "WARNING: Binding DNS on port %d instead of 53, which may be not be resolvable from all clients.\n", openshift.AlternateDNSPort)
return nil
}
}
return errors.NewError("a port needed by OpenShift is not available").WithCause(err)
}