forked from redhat-developer/odo
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kclient.go
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/
kclient.go
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package kclient
import (
"github.com/pkg/errors"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/rest"
"k8s.io/client-go/tools/clientcmd"
)
// errorMsg is the message for user when invalid configuration error occurs
const errorMsg = `
Please ensure you have an active kubernetes context to your cluster.
Consult your Kubernetes distribution's documentation for more details
`
// Client is a collection of fields used for client configuration and interaction
type Client struct {
KubeClient kubernetes.Interface
KubeConfig clientcmd.ClientConfig
KubeClientConfig *rest.Config
Namespace string
}
// New creates a new client
func New() (*Client, error) {
var client Client
var err error
// initialize client-go clients
loadingRules := clientcmd.NewDefaultClientConfigLoadingRules()
configOverrides := &clientcmd.ConfigOverrides{}
client.KubeConfig = clientcmd.NewNonInteractiveDeferredLoadingClientConfig(loadingRules, configOverrides)
client.KubeClientConfig, err = client.KubeConfig.ClientConfig()
if err != nil {
return nil, errors.Wrapf(err, errorMsg)
}
client.KubeClient, err = kubernetes.NewForConfig(client.KubeClientConfig)
if err != nil {
return nil, err
}
client.Namespace, _, err = client.KubeConfig.Namespace()
if err != nil {
return nil, err
}
return &client, nil
}