【修改】k8s 配置

apps/devops/services/k8s/evict/evict.go

@@ -0,0 +1,58 @@
+package evict
+
+import (
+	"context"
+	"fmt"
+	"pandax/base/global"
+
+	policy "k8s.io/api/policy/v1beta1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/client-go/kubernetes"
+)
+
+var (
+	systemNamespace = "kube-system"
+)
+
+func EvictsNodePods(client *kubernetes.Clientset, nodeName string) error {
+	/*
+		驱逐节点上不在 kube-system 命名空间中的所有 pod
+	*/
+	pods, err := client.CoreV1().Pods("").List(context.TODO(), metav1.ListOptions{
+		FieldSelector: "spec.nodeName=" + nodeName,
+	})
+
+	if err != nil {
+		return err
+	}
+	for _, i := range pods.Items {
+		if i.Namespace == systemNamespace {
+			continue
+		} else {
+			global.Log.Info(fmt.Sprintf("开始驱逐Node: %v, 节点Namespace: %v下的Pod: %v", nodeName, i.Namespace, i.Name))
+			err := EvictsPod(client, i.Name, i.Namespace)
+			if err != nil {
+				global.Log.Error(fmt.Sprintf("驱逐Pod：%v失败", i.Name))
+			}
+		}
+	}
+	global.Log.Info(fmt.Sprintf("已成功从节点: %v 中驱逐所有pod", nodeName))
+	return nil
+}
+
+func EvictsPod(client *kubernetes.Clientset, name, namespace string) error {
+	// Pod优雅退出时间, 默认退出时间30s, 如果未指定, 则默认为每个对象的值。0表示立即删除。
+	var gracePeriodSeconds int64 = 0
+	propagationPolicy := metav1.DeletePropagationForeground
+	deleteOptions := &metav1.DeleteOptions{
+		GracePeriodSeconds: &gracePeriodSeconds,
+		PropagationPolicy:  &propagationPolicy,
+	}
+	return client.PolicyV1beta1().Evictions(namespace).Evict(context.TODO(), &policy.Eviction{
+		ObjectMeta: metav1.ObjectMeta{
+			Name:      name,
+			Namespace: namespace,
+		},
+		DeleteOptions: deleteOptions,
+	})
+}