/
context.go
71 lines (64 loc) · 1.75 KB
/
context.go
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package kubernetes
import (
"context"
"github.com/xuxant/kbuild/pkg/options"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/tools/clientcmd"
clientcmdapi "k8s.io/client-go/tools/clientcmd/api"
"sync"
)
var (
CurrentConfig = getCurrentConfig
)
var (
kubeConfigOnce sync.Once
kubeConfigFile string
kubeContext string
kubeConfig clientcmd.ClientConfig
checkPermissionOnce sync.Once
)
func getCurrentConfig() (clientcmdapi.Config, error) {
kubeConfigOnce.Do(func() {
loadingRules := clientcmd.NewDefaultClientConfigLoadingRules()
loadingRules.ExplicitPath = kubeConfigFile
kubeConfig = clientcmd.NewNonInteractiveDeferredLoadingClientConfig(loadingRules, &clientcmd.ConfigOverrides{
CurrentContext: kubeContext,
})
})
cfg, err := kubeConfig.RawConfig()
if kubeContext != "" {
cfg.CurrentContext = kubeContext
}
return cfg, err
}
func CheckPermissions() (bool, map[string]string) {
cfg := options.GetConfig()
connection := false
msg := make(map[string]string)
checkPermissionOnce.Do(func() {
config, _ := clientcmd.BuildConfigFromFlags("", cfg.KubeConfig)
clientSet, err := kubernetes.NewForConfig(config)
if err != nil {
msg["clientSet"] = err.Error()
return
}
// Check Create Pod
_, err = clientSet.CoreV1().Pods(cfg.Namespace).Create(context.TODO(), &corev1.Pod{}, metav1.CreateOptions{})
if err != nil {
msg["CreatePod"] = err.Error()
return
}
logs := clientSet.CoreV1().Pods(cfg.Namespace).GetLogs("pod-name", &corev1.PodLogOptions{})
_, err = logs.Stream(context.Background())
if err != nil {
msg["PodLog"] = err.Error()
return
}
if err == nil {
connection = true
}
})
return connection, msg
}