我正在关注这篇文章,以在 EKS 上使用 Nitro Enclaves。我的 Pod 向我发出警告并陷入待处理状态。
0/2 nodes are available: 2 Insufficient aws.ec2.nitro/nitro_enclaves, 2
Insufficient hugepages-2Mi. preemption: 0/2 nodes are available:
2 No preemption victims found for incoming pod.
在检查节点时,我看到以下内容:
kubectl describe node ip-x.us-east-2.compute.internal | grep -A 8 "Allocated resources:"
Allocated resources:
(Total limits may be over 100 percent, i.e., overcommitted.)
Resource Requests Limits
-------- -------- ------
cpu 325m (4%) 0 (0%)
memory 140Mi (0%) 340Mi (2%)
ephemeral-storage 0 (0%) 0 (0%)
hugepages-1Gi 0 (0%) 0 (0%)
hugepages-2Mi 0 (0%) 0 (0%)
kubectl describe node ip-x.us-east-2.compute.internal | grep -A 13 "Capacity:"
Capacity:
cpu: 8
ephemeral-storage: 83873772Ki
hugepages-1Gi: 0
hugepages-2Mi: 0
memory: 15896064Ki
pods: 29
Allocatable:
cpu: 7910m
ephemeral-storage: 76224326324
hugepages-1Gi: 0
hugepages-2Mi: 0
memory: 14879232Ki
pods: 29
Pod 定义包括:
"containers": [
{
"name": "hello-container",
"image": "hello-f9c725ee-4d02-4f48-8c3f-f341a754061b:latest",
"command": [
"/home/run.sh"
],
"resources": {
"limits": {
"aws.ec2.nitro/nitro_enclaves": "1",
"cpu": "250m",
"hugepages-2Mi": "100Mi"
},
"requests": {
"aws.ec2.nitro/nitro_enclaves": "1",
"cpu": "250m",
"hugepages-2Mi": "100Mi"
}
},
我尝试过的事情: 在阅读了其他几篇文章后,尝试了垂直和水平扩展并重新启动了 Kubelet 服务,但没有成功,并且 Pod 仍然停留在待处理状态。
我认为这里可能存在两个潜在问题,一个与缺乏
hugepages-2Mi
有关,另一个与缺乏 aws.ec2.nitro/nitro_enclaves
有关。在此期间我将引用 https://docs.aws.amazon.com/enclaves/latest/user/kubernetes.html。
对于
hugepages-2Mi
,请确保在步骤 1 中创建的启动模板实际应用于提供硝基的 EKS 节点组中的节点,并且在该启动模板上正确设置 user data
。请注意,如果您修改 user data
以提供 1024 倍数的 MB 数,而不是 hugepages-2Mi
,您将得到 hugepages-1Gi
,如步骤 5.1 下的 limits
中所述。
对于
aws.ec2.nitro/nitro_enclaves
,您需要确保 https://raw.githubusercontent.com/aws/aws-nitro-enclaves-k8s-device-plugin/main/aws-nitro- 提供了 DaemonSet 的 Pod enclaves-k8s-ds.yaml 正在启用硝基的节点上运行。它可能会丢失,因为 DaemonSet 未正确添加到您的 K8S,或者因为启用硝基的节点的节点标签不正确(它们应该是 aws-nitro-enclaves-k8s-dp=enabled
,应该在 kubectl describe node
中可见)。如果 DaemonSet Pod 实际上已启动并正在运行,它也可能存在问题。您可以通过kubectl logs --namespace=kube-system -l name=aws-nitro-enclaves-k8s-dp --tail=1000
查看