flannel

Documentation

Index

• Variables
• func Definition(subnetCIDR string) *v1.NetworkDefinition
• func LookupExtInterface(iface *net.Interface, netMode int) (*backend.ExternalInterface, error)
• func ReadCIDRFromSubnetFile(path string, CIDRKey string) ip.IP4Net
• func ReadCIDRsFromSubnetFile(path string, CIDRKey string) []ip.IP4Net
• func ReadIP6CIDRFromSubnetFile(path string, CIDRKey string) ip.IP6Net
• func ReadIP6CIDRsFromSubnetFile(path string, CIDRKey string) []ip.IP6Net
• func Run(ctx context.Context, cancel context.CancelFunc, c *client.Client, ...) error
• func Setup(ctx context.Context, client *clientv3.Client, network string, backend string) error
• func WriteSubnetFile(path string, nw ip.IP4Net, nwv6 ip.IP6Net, ipMasq bool, bn backend.Network, ...) error
• type Flannel
  • func New(path string) *Flannel
  • func (f *Flannel) Clear() error
  • func (f *Flannel) EnableIPv4(enable bool) error
  • func (f *Flannel) EnableIPv6(enable bool) error
  • func (f *Flannel) MaskIPv6(enabled bool)
  • func (f *Flannel) SetBackend(backend string) error
  • func (f *Flannel) SetCIDR(cidr string) error
  • func (f *Flannel) SetInterface(name string) error
• type Subnet

Variables

var (
	FlannelBaseAnnotation         = "flannel.alpha.coreos.com"
	FlannelExternalIPv4Annotation = FlannelBaseAnnotation + "/public-ip-overwrite"
	FlannelExternalIPv6Annotation = FlannelBaseAnnotation + "/public-ipv6-overwrite"
)

Functions

func Definition

func Definition(subnetCIDR string) *v1.NetworkDefinition

func LookupExtInterface

func LookupExtInterface(iface *net.Interface, netMode int) (*backend.ExternalInterface, error)

func ReadCIDRFromSubnetFile

func ReadCIDRFromSubnetFile(path string, CIDRKey string) ip.IP4Net

ReadCIDRFromSubnetFile reads the flannel subnet file and extracts the value of IPv4 network CIDRKey

func ReadCIDRsFromSubnetFile

func ReadCIDRsFromSubnetFile(path string, CIDRKey string) []ip.IP4Net

func ReadIP6CIDRFromSubnetFile

func ReadIP6CIDRFromSubnetFile(path string, CIDRKey string) ip.IP6Net

ReadIP6CIDRFromSubnetFile reads the flannel subnet file and extracts the value of IPv6 network CIDRKey

func ReadIP6CIDRsFromSubnetFile

func ReadIP6CIDRsFromSubnetFile(path string, CIDRKey string) []ip.IP6Net

func Run

func Run(ctx context.Context, cancel context.CancelFunc, c *client.Client, config *configuration.Configuration) error

func Setup

func Setup(ctx context.Context, client *clientv3.Client, network string, backend string) error

func WriteSubnetFile

func WriteSubnetFile(path string, nw ip.IP4Net, nwv6 ip.IP6Net, ipMasq bool, bn backend.Network, netMode int) error

Types

type Flannel

type Flannel struct {
	Backend           string
	FlannelConfigPath string

	Interface          *backend.ExternalInterface
	InterfaceSpecified *net.Interface
	CIDR               []*net.IPNet
	NetMode            int
	Network            ip.IP4Net
	V6Network          ip.IP6Net

	IPv4Enabled bool
	IPv6Enabled bool
	IPv6Masq    bool
}

func New

func New(path string) *Flannel

func (*Flannel) Clear

func (f *Flannel) Clear() error

func (*Flannel) EnableIPv4

func (f *Flannel) EnableIPv4(enable bool) error

func (*Flannel) EnableIPv6

func (f *Flannel) EnableIPv6(enable bool) error

func (*Flannel) MaskIPv6

func (f *Flannel) MaskIPv6(enabled bool)

func (*Flannel) SetBackend

func (f *Flannel) SetBackend(backend string) error

func (*Flannel) SetCIDR

func (f *Flannel) SetCIDR(cidr string) error

func (*Flannel) SetInterface

func (f *Flannel) SetInterface(name string) error

type Subnet

type Subnet struct {
	PublicIP    string `json:"PublicIP"`
	PublicIPv6  string `json:"PublicIPv6"`
	BackendType string `json:"BackendType"`
	BackendData struct {
		VNI     int    `json:"VNI"`
		VtepMAC string `json:"VtepMAC"`
	} `json:"BackendData"`
}