-
Notifications
You must be signed in to change notification settings - Fork 37
/
config.go
108 lines (88 loc) · 2.61 KB
/
config.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
95
96
97
98
99
100
101
102
103
104
105
106
107
108
package kubernetes
import (
"fmt"
"github.com/aws/aws-sdk-go-v2/aws"
"github.com/aws/aws-sdk-go-v2/service/eks/types"
"k8s.io/client-go/dynamic"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/tools/clientcmd"
clientcmdapi "k8s.io/client-go/tools/clientcmd/api"
)
// ClientConfig is used to make it easy to get an api server client
//
// type ClientConfig interface {
// // RawConfig returns the merged result of all overrides
// RawConfig() (clientcmdapi.Config, error)
// // ClientConfig returns a complete client config
// ClientConfig() (*restclient.Config, error)
// // Namespace returns the namespace resulting from the merged
// // result of all overrides and a boolean indicating if it was
// // overridden
// Namespace() (string, bool, error)
// // ConfigAccess returns the rules for loading/persisting the config.
// ConfigAccess() ConfigAccess
// }
// Raw is clientcmdapi.Config -- represents kubeconfig
func Client(context string) (*kubernetes.Clientset, error) {
clientConfig := clientcmd.NewNonInteractiveDeferredLoadingClientConfig(
clientcmd.NewDefaultClientConfigLoadingRules(),
&clientcmd.ConfigOverrides{
CurrentContext: context,
},
)
restConfig, err := clientConfig.ClientConfig()
if err != nil {
return nil, err
}
return kubernetes.NewForConfig(restConfig)
}
func ClusterURLForCurrentContext() string {
raw, err := Kubeconfig()
if err != nil {
return ""
}
if err := clientcmdapi.MinifyConfig(raw); err != nil {
return ""
}
return raw.Clusters[raw.Contexts[raw.CurrentContext].Cluster].Server
}
func DynamicClient(context string) (dynamic.Interface, error) {
clientConfig := clientcmd.NewNonInteractiveDeferredLoadingClientConfig(
clientcmd.NewDefaultClientConfigLoadingRules(),
&clientcmd.ConfigOverrides{
CurrentContext: context,
},
)
restConfig, err := clientConfig.ClientConfig()
if err != nil {
return nil, err
}
return dynamic.NewForConfig(restConfig)
}
func KubeContextForCluster(cluster *types.Cluster) (string, error) {
raw, err := Kubeconfig()
if err != nil {
return "", err
}
found := ""
for name, context := range raw.Contexts {
if _, ok := raw.Clusters[context.Cluster]; ok {
if raw.Clusters[context.Cluster].Server == aws.ToString(cluster.Endpoint) {
found = name
break
}
}
}
return found, nil
}
func Kubeconfig() (*clientcmdapi.Config, error) {
config := clientcmd.NewNonInteractiveDeferredLoadingClientConfig(
clientcmd.NewDefaultClientConfigLoadingRules(),
&clientcmd.ConfigOverrides{},
)
raw, err := config.RawConfig()
if err != nil {
return nil, fmt.Errorf("failed to load kubeconfig: %w", err)
}
return &raw, nil
}