123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475 |
- // Package null implements the null ipam driver. Null ipam driver satisfies ipamapi contract,
- // but does not effectively reserve/allocate any address pool or address
- package null
- import (
- "fmt"
- "net"
- "github.com/docker/libnetwork/discoverapi"
- "github.com/docker/libnetwork/ipamapi"
- "github.com/docker/libnetwork/types"
- )
- var (
- defaultAS = "null"
- defaultPool, _ = types.ParseCIDR("0.0.0.0/0")
- defaultPoolID = fmt.Sprintf("%s/%s", defaultAS, defaultPool.String())
- )
- type allocator struct{}
- func (a *allocator) GetDefaultAddressSpaces() (string, string, error) {
- return defaultAS, defaultAS, nil
- }
- func (a *allocator) RequestPool(addressSpace, pool, subPool string, options map[string]string, v6 bool) (string, *net.IPNet, map[string]string, error) {
- if addressSpace != defaultAS {
- return "", nil, nil, types.BadRequestErrorf("unknown address space: %s", addressSpace)
- }
- if pool != "" {
- return "", nil, nil, types.BadRequestErrorf("null ipam driver does not handle specific address pool requests")
- }
- if subPool != "" {
- return "", nil, nil, types.BadRequestErrorf("null ipam driver does not handle specific address subpool requests")
- }
- if v6 {
- return "", nil, nil, types.BadRequestErrorf("null ipam driver does not handle IPv6 address pool pool requests")
- }
- return defaultPoolID, defaultPool, nil, nil
- }
- func (a *allocator) ReleasePool(poolID string) error {
- return nil
- }
- func (a *allocator) RequestAddress(poolID string, ip net.IP, opts map[string]string) (*net.IPNet, map[string]string, error) {
- if poolID != defaultPoolID {
- return nil, nil, types.BadRequestErrorf("unknown pool id: %s", poolID)
- }
- return nil, nil, nil
- }
- func (a *allocator) ReleaseAddress(poolID string, ip net.IP) error {
- if poolID != defaultPoolID {
- return types.BadRequestErrorf("unknown pool id: %s", poolID)
- }
- return nil
- }
- func (a *allocator) DiscoverNew(dType discoverapi.DiscoveryType, data interface{}) error {
- return nil
- }
- func (a *allocator) DiscoverDelete(dType discoverapi.DiscoveryType, data interface{}) error {
- return nil
- }
- func (a *allocator) IsBuiltIn() bool {
- return true
- }
- // Init registers a remote ipam when its plugin is activated
- func Init(ic ipamapi.Callback, l, g interface{}) error {
- return ic.RegisterIpamDriver(ipamapi.NullIPAM, &allocator{})
- }
|