/
client.go
80 lines (67 loc) · 1.99 KB
/
client.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
package k8scligo
import (
"os"
"k8s.io/client-go/dynamic"
"k8s.io/client-go/dynamic/dynamicinformer"
"k8s.io/client-go/informers"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/rest"
"k8s.io/client-go/tools/clientcmd"
)
type Client struct {
*option
KubeClientSet *kubernetes.Clientset
KubeRestConfig *rest.Config
KubeDynamicClient dynamic.Interface
SharedInformerFactory informers.SharedInformerFactory
DynamicSharedInformerFactory dynamicinformer.DynamicSharedInformerFactory
Status ConnectStatus
}
func NewClient(opts ...Option) (*Client, error) {
defaultConfig := buildDefaultOpt()
for _, opt := range opts {
opt(defaultConfig)
}
client := &Client{
option: defaultConfig,
}
if err := client.BuildClientCmd(); err != nil {
return nil, err
}
client.BuildClientSet()
client.BuildInformers()
return client, nil
}
func (c *Client) BuildClientCmd() (err error) {
kc := c.kubeconfig
if kc != "" {
info, err := os.Stat(c.kubeconfig)
if err != nil || info.Size() == 0 {
kc = ""
}
}
loadingRules := clientcmd.NewDefaultClientConfigLoadingRules()
loadingRules.DefaultClientConfig = &clientcmd.DefaultClientConfig
loadingRules.ExplicitPath = kc
configOverrides := &clientcmd.ConfigOverrides{
ClusterDefaults: clientcmd.ClusterDefaults,
}
c.KubeRestConfig, err = clientcmd.NewNonInteractiveDeferredLoadingClientConfig(loadingRules, configOverrides).ClientConfig()
if err != nil {
return err
}
for _, f := range c.fns {
f(c.KubeRestConfig)
}
return nil
}
func (c *Client) BuildClientSet() error {
c.KubeClientSet = kubernetes.NewForConfigOrDie(c.KubeRestConfig)
c.KubeDynamicClient = dynamic.NewForConfigOrDie(c.KubeRestConfig)
return nil
}
func (c *Client) BuildInformers() error {
c.SharedInformerFactory = informers.NewSharedInformerFactory(c.KubeClientSet, c.resync)
c.DynamicSharedInformerFactory = dynamicinformer.NewDynamicSharedInformerFactory(c.KubeDynamicClient, c.resync)
return nil
}