-
Notifications
You must be signed in to change notification settings - Fork 155
/
provider.go
94 lines (73 loc) · 2.64 KB
/
provider.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
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
/*
Copyright 2020 The Kubermatic Kubernetes Platform contributors.
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 kubevirt
import (
"encoding/base64"
"errors"
v1 "k8c.io/kubermatic/v2/pkg/crd/kubermatic/v1"
"k8c.io/kubermatic/v2/pkg/provider"
"k8c.io/kubermatic/v2/pkg/resources"
"k8s.io/client-go/tools/clientcmd"
)
type kubevirt struct {
secretKeySelector provider.SecretKeySelectorValueFunc
}
func NewCloudProvider(secretKeyGetter provider.SecretKeySelectorValueFunc) provider.CloudProvider {
return &kubevirt{
secretKeySelector: secretKeyGetter,
}
}
func (k *kubevirt) DefaultCloudSpec(spec *v1.CloudSpec) error {
return nil
}
func (k *kubevirt) ValidateCloudSpec(spec v1.CloudSpec) error {
kubeconfig, err := GetCredentialsForCluster(spec, k.secretKeySelector)
if err != nil {
return err
}
config, err := base64.StdEncoding.DecodeString(kubeconfig)
if err != nil {
// if the decoding failed, the kubeconfig is sent already decoded without the need of decoding it,
// for example the value has been read from Vault during the ci tests, which is saved as json format.
config = []byte(kubeconfig)
}
_, err = clientcmd.RESTConfigFromKubeConfig(config)
if err != nil {
return err
}
spec.Kubevirt.Kubeconfig = string(config)
return nil
}
func (k *kubevirt) InitializeCloudProvider(c *v1.Cluster, p provider.ClusterUpdater) (*v1.Cluster, error) {
return c, nil
}
func (k *kubevirt) CleanUpCloudProvider(c *v1.Cluster, p provider.ClusterUpdater) (*v1.Cluster, error) {
return c, nil
}
func (k *kubevirt) ValidateCloudSpecUpdate(oldSpec v1.CloudSpec, newSpec v1.CloudSpec) error {
return nil
}
// GetCredentialsForCluster returns the credentials for the passed in cloud spec or an error
func GetCredentialsForCluster(cloud v1.CloudSpec, secretKeySelector provider.SecretKeySelectorValueFunc) (kubeconfig string, err error) {
kubeconfig = cloud.Kubevirt.Kubeconfig
if kubeconfig == "" {
if cloud.Kubevirt.CredentialsReference == nil {
return "", errors.New("no credentials provided")
}
kubeconfig, err = secretKeySelector(cloud.Kubevirt.CredentialsReference, resources.KubevirtKubeConfig)
if err != nil {
return "", err
}
}
return kubeconfig, nil
}