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block.go
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block.go
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// Copyright (c) 2016 Tigera, Inc. All rights reserved.
// 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 model
import (
"fmt"
"reflect"
"regexp"
"strings"
log "github.com/Sirupsen/logrus"
"github.com/projectcalico/libcalico-go/lib/errors"
"github.com/projectcalico/libcalico-go/lib/net"
)
var (
matchBlock = regexp.MustCompile("^/?/calico/ipam/v2/assignment/ipv./block/([^/]+)$")
typeBlock = reflect.TypeOf(AllocationBlock{})
)
type BlockKey struct {
CIDR net.IPNet `json:"-" validate:"required,name"`
}
func (key BlockKey) defaultPath() (string, error) {
if key.CIDR.IP == nil {
return "", errors.ErrorInsufficientIdentifiers{}
}
c := strings.Replace(key.CIDR.String(), "/", "-", 1)
e := fmt.Sprintf("/calico/ipam/v2/assignment/ipv%d/block/%s", key.CIDR.Version(), c)
return e, nil
}
func (key BlockKey) defaultDeletePath() (string, error) {
return key.defaultPath()
}
func (key BlockKey) defaultDeleteParentPaths() ([]string, error) {
return nil, nil
}
func (key BlockKey) valueType() reflect.Type {
return typeBlock
}
func (key BlockKey) String() string {
return fmt.Sprintf("BlockKey(cidr=%s)", key.CIDR.String())
}
type BlockListOptions struct {
IPVersion int `json:"-"`
}
func (options BlockListOptions) defaultPathRoot() string {
k := "/calico/ipam/v2/assignment/"
if options.IPVersion != 0 {
k = k + fmt.Sprintf("ipv%d/", options.IPVersion)
}
return k
}
func (options BlockListOptions) KeyFromDefaultPath(path string) Key {
log.Debugf("Get Block key from %s", path)
r := matchBlock.FindAllStringSubmatch(path, -1)
if len(r) != 1 {
log.Debugf("%s didn't match regex", path)
return nil
}
cidrStr := strings.Replace(r[0][1], "-", "/", 1)
_, cidr, _ := net.ParseCIDR(cidrStr)
return BlockKey{CIDR: *cidr}
}
type AllocationBlock struct {
CIDR net.IPNet `json:"cidr"`
Affinity *string `json:"affinity"`
StrictAffinity bool `json:"strictAffinity"`
Allocations []*int `json:"allocations"`
Unallocated []int `json:"unallocated"`
Attributes []AllocationAttribute `json:"attributes"`
// HostAffinity is deprecated in favor of Affinity.
// This is only to keep compatiblity with existing deployments.
// The data format should be `Affinity: host:hostname` (not `hostAffinity: hostname`).
HostAffinity *string `json:"hostAffinity,omitempty"`
}
type AllocationAttribute struct {
AttrPrimary *string `json:"handle_id"`
AttrSecondary map[string]string `json:"secondary"`
}