mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
75 lines
2.2 KiB
Go
75 lines
2.2 KiB
Go
// 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{})
|
|
}
|