network

type Host interface {
	// NamespaceGetter is a getter for sandbox namespace information.
	NamespaceGetter

	// PortMappingGetter is a getter for sandbox port mapping information.
	PortMappingGetter
}

type NamespaceGetter interface {
	// GetNetNS returns network namespace information for the given containerID.
	// Runtimes should *never* return an empty namespace and nil error for
	// a container; if error is nil then the namespace string must be valid.
	GetNetNS(containerID string) (string, error)
}

type NetworkPlugin interface {
	// Init initializes the plugin.  This will be called exactly once
	// before any other methods are called.
	Init(host Host, hairpinMode config.HairpinMode, nonMasqueradeCIDR string, mtu int) error

	// Called on various events like:
	// NET_PLUGIN_EVENT_POD_CIDR_CHANGE
	Event(name string, details map[string]interface{})

	// Name returns the plugin's name. This will be used when searching
	// for a plugin by name, e.g.
	Name() string

	// Returns a set of NET_PLUGIN_CAPABILITY_*
	Capabilities() utilsets.Int

	// SetUpPod is the method called after the infra container of
	// the pod has been created but before the other containers of the
	// pod are launched.
	SetUpPod(
		namespace string,
		name string,
		podSandboxID config.ContainerID,
		annotations, options map[string]string,
	) error

	// TearDownPod is the method called before a pod's infra container will be deleted
	TearDownPod(namespace string, name string, podSandboxID config.ContainerID) error

	// GetPodNetworkStatus is the method called to obtain the ipv4 or ipv6 addresses of the container
	GetPodNetworkStatus(
		namespace string,
		name string,
		podSandboxID config.ContainerID,
	) (*PodNetworkStatus, error)

	// Status returns error if the network plugin is in error state
	Status() error
}

type NoopNetworkPlugin struct {
	Sysctl utilsysctl.Interface
}

type NoopPortMappingGetter struct{}

type PluginManager struct {
	// contains filtered or unexported fields
}

type PodNetworkStatus struct {
	metav1.TypeMeta `json:",inline"`

	// IP is the primary ipv4/ipv6 address of the pod. Among other things it is the address that -
	//   - kube expects to be reachable across the cluster
	//   - service endpoints are constructed with
	//   - will be reported in the PodStatus.PodIP field (will override the IP reported by docker)
	IP net.IP `json:"ip"  description:"Primary IP address of the pod"`
	// IPs is the list of IPs assigned to Pod. IPs[0] == IP. The rest of the list is additional IPs
	IPs []net.IP `json:"ips" description:"list of additional ips (inclusive of IP) assigned to pod"`
}

type PortMappingGetter interface {
	// GetPodPortMappings returns sandbox port mappings information.
	GetPodPortMappings(containerID string) ([]*hostport.PortMapping, error)
}