forked from projectcalico/libcalico-go
-
Notifications
You must be signed in to change notification settings - Fork 0
/
ippools_conversion.go
72 lines (64 loc) · 2.23 KB
/
ippools_conversion.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
// Copyright (c) 2016-2017 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 resources
import (
"encoding/json"
"strings"
log "github.com/Sirupsen/logrus"
"github.com/projectcalico/libcalico-go/lib/backend/k8s/thirdparty"
"github.com/projectcalico/libcalico-go/lib/backend/model"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
// ThirdPartyToIPPool takes a Kubernetes ThirdPartyResource representation
// of a Calico IP Pool and returns the equivalent IPPool object.
func ThirdPartyToIPPool(t *thirdparty.IpPool) *model.KVPair {
v := model.IPPool{}
err := json.Unmarshal([]byte(t.Spec.Value), &v)
if err != nil {
log.Fatalf("Error unmarshalling IPPool value: %s", err)
}
return &model.KVPair{
Key: model.IPPoolKey{CIDR: v.CIDR},
Value: &v,
Revision: t.Metadata.ResourceVersion,
}
}
// IPPoolToThirdParty takes a Calico IP Pool and returns the equivalent
// ThirdPartyResource representation.
func IPPoolToThirdParty(kvp *model.KVPair) *thirdparty.IpPool {
v, err := json.Marshal(kvp.Value.(*model.IPPool))
if err != nil {
log.Fatalf("Error marshalling IPPool value: %s", err)
}
tpr := thirdparty.IpPool{
Metadata: metav1.ObjectMeta{
// Names in Kubernetes must be lower-case.
Name: ipPoolTprName(kvp.Key.(model.IPPoolKey)),
},
Spec: thirdparty.IpPoolSpec{
Value: string(v),
},
}
if kvp.Revision != nil {
tpr.Metadata.ResourceVersion = kvp.Revision.(string)
}
return &tpr
}
// ipPoolTprName converts the given IPPool key into a unique third party resource
// name.
func ipPoolTprName(key model.IPPoolKey) string {
name := strings.Replace(key.CIDR.String(), ".", "-", 3)
name = strings.Replace(name, ":", "-", 7)
name = strings.Replace(name, "/", "-", 1)
return name
}