Question

我使用cluster/kube-up.sh在Google Compute Engine中创建了一个Kubernetes群集。如何找出GCE用于创建虚拟机的Linux映像？我使用SSH登录了一些节点，通常的命令（uname -a等）没有告诉我。

kubernetes/cluster/gce/config-default.sh的默认配置文件似乎没有提供任何线索。

Answer 1

有两种简单的方法可以看待它

在基于Kubernetes GUI的仪表板中，单击节点
从kubernetes主节点的命令行使用kubectl describe pods/{pod-name}

（如果您使用任何命名空间，请务必选择正确的命名空间。）

以下是输出示例，请查看输出的“图像”标签

kubectl describe pods/fedoraapache
Name:                fedoraapache
Namespace:            default
Image(s):            fedora/apache
Node:                127.0.0.1/127.0.0.1
Labels:                name=fedoraapache
Status:                Running
Reason:
Message:
IP:                172.17.0.2
Replication Controllers:    <none>
Containers:
  fedoraapache:
    Image:        fedora/apache
    State:        Running
      Started:        Thu, 06 Aug 2015 03:38:37 -0400
    Ready:        True
    Restart Count:    0
Conditions:
  Type        Status
  Ready     True
Events:
  FirstSeen                LastSeen            Count    From            SubobjectPath                Reason        Message
  Thu, 06 Aug 2015 03:38:35 -0400    Thu, 06 Aug 2015 03:38:35 -0400    1    {scheduler }                            scheduled    Successfully assigned fedoraapache to 127.0.0.1
  Thu, 06 Aug 2015 03:38:35 -0400    Thu, 06 Aug 2015 03:38:35 -0400    1    {kubelet 127.0.0.1}    implicitly required container POD    pulled        Pod container image "gcr.io/google_containers/pause:0.8.0" already present on machine
  Thu, 06 Aug 2015 03:38:36 -0400    Thu, 06 Aug 2015 03:38:36 -0400    1    {kubelet 127.0.0.1}    implicitly required container POD    created        Created with docker id 98aeb13c657b
  Thu, 06 Aug 2015 03:38:36 -0400    Thu, 06 Aug 2015 03:38:36 -0400    1    {kubelet 127.0.0.1}    implicitly required container POD    started        Started with docker id 98aeb13c657b
  Thu, 06 Aug 2015 03:38:37 -0400    Thu, 06 Aug 2015 03:38:37 -0400    1    {kubelet 127.0.0.1}    spec.containers{fedoraapache}        created        Created with docker id debe7fe1ff4f
  Thu, 06 Aug 2015 03:38:37 -0400    Thu, 06 Aug 2015 03:38:37 -0400    1    {kubelet 127.0.0.1}    spec.containers{fedoraapache}        started        Started with docker id debe7fe1ff4f

Answer 2

它使用了一种名为Google Container VM的图像。查看在此公布的博客文章：

https://cloudplatform.googleblog.com/2016/09/introducing-Google-Container-VM-Image.html

如何找出GCE上Kubernetes VM中运行的图像？

2 个答案: