ipam.go
// Copyright 2016-2017 Authors of Cilium
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package main
import (
"strings"
"github.com/cilium/cilium/api/v1/models"
ipamapi "github.com/cilium/cilium/api/v1/server/restapi/ipam"
"github.com/cilium/cilium/pkg/api"
"github.com/cilium/cilium/pkg/ipam"
"github.com/go-openapi/runtime/middleware"
"github.com/go-openapi/swag"
)
type postIPAM struct {
daemon *Daemon
}
// NewPostIPAMHandler creates a new postIPAM from the daemon.
func NewPostIPAMHandler(d *Daemon) ipamapi.PostIPAMHandler {
return &postIPAM{daemon: d}
}
// Handle incoming requests address allocation requests for the daemon.
func (h *postIPAM) Handle(params ipamapi.PostIPAMParams) middleware.Responder {
resp := &models.IPAMResponse{
HostAddressing: h.daemon.getNodeAddressing(),
Address: &models.AddressPair{},
}
ipv4, ipv6, err := ipam.AllocateNext(strings.ToLower(swag.StringValue(params.Family)))
if err != nil {
return api.Error(ipamapi.PostIPAMFailureCode, err)
}
if ipv4 != nil {
resp.Address.IPV4 = ipv4.String()
}
if ipv6 != nil {
resp.Address.IPV6 = ipv6.String()
}
return ipamapi.NewPostIPAMCreated().WithPayload(resp)
}
type postIPAMIP struct{}
// NewPostIPAMIPHandler creates a new postIPAM from the daemon.
func NewPostIPAMIPHandler(d *Daemon) ipamapi.PostIPAMIPHandler {
return &postIPAMIP{}
}
// Handle incoming requests address allocation requests for the daemon.
func (h *postIPAMIP) Handle(params ipamapi.PostIPAMIPParams) middleware.Responder {
if err := ipam.AllocateIPString(params.IP); err != nil {
return api.Error(ipamapi.PostIPAMIPFailureCode, err)
}
return ipamapi.NewPostIPAMIPOK()
}
type deleteIPAMIP struct{}
// NewDeleteIPAMIPHandler handle incoming requests to delete addresses.
func NewDeleteIPAMIPHandler(d *Daemon) ipamapi.DeleteIPAMIPHandler {
return &deleteIPAMIP{}
}
func (h *deleteIPAMIP) Handle(params ipamapi.DeleteIPAMIPParams) middleware.Responder {
if err := ipam.ReleaseIPString(params.IP); err != nil {
return api.Error(ipamapi.DeleteIPAMIPFailureCode, err)
}
return ipamapi.NewDeleteIPAMIPOK()
}
// DumpIPAM dumps in the form of a map, the list of
// reserved IPv4 and IPv6 addresses.
func (d *Daemon) DumpIPAM() *models.IPAMStatus {
allocv4, allocv6 := ipam.Dump()
return &models.IPAMStatus{
IPV4: allocv4,
IPV6: allocv6,
}
}