github.com/openshift/installer@v1.4.17/pkg/asset/machines/machineconfig/ipv6.go (about)

     1  package machineconfig
     2  
     3  import (
     4  	"fmt"
     5  
     6  	igntypes "github.com/coreos/ignition/v2/config/v3_2/types"
     7  	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
     8  
     9  	mcfgv1 "github.com/openshift/api/machineconfiguration/v1"
    10  	"github.com/openshift/installer/pkg/asset/ignition"
    11  )
    12  
    13  // ForDualStackAddresses creates the MachineConfig to tell kernel to configure the IP addresses with DHCP and DHCPV6.
    14  func ForDualStackAddresses(role string) (*mcfgv1.MachineConfig, error) {
    15  	ignConfig := igntypes.Config{
    16  		Ignition: igntypes.Ignition{
    17  			Version: igntypes.MaxVersion.String(),
    18  		},
    19  	}
    20  
    21  	rawExt, err := ignition.ConvertToRawExtension(ignConfig)
    22  	if err != nil {
    23  		return nil, err
    24  	}
    25  
    26  	return &mcfgv1.MachineConfig{
    27  		TypeMeta: metav1.TypeMeta{
    28  			APIVersion: mcfgv1.SchemeGroupVersion.String(),
    29  			Kind:       "MachineConfig",
    30  		},
    31  		ObjectMeta: metav1.ObjectMeta{
    32  			Name: fmt.Sprintf("99-dual-stack-%s", role),
    33  			Labels: map[string]string{
    34  				"machineconfiguration.openshift.io/role": role,
    35  			},
    36  		},
    37  		Spec: mcfgv1.MachineConfigSpec{
    38  			Config:          rawExt,
    39  			KernelArguments: []string{"ip=dhcp,dhcp6"},
    40  		},
    41  	}, nil
    42  }