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O'Reilly Platform
book
Kubernetes即学即用(第二版)
by
Brendan Burns
,
Joe Beda
,
Kelsey Hightower
June 2021
Intermediate to advanced
300 pages
5h 4m
Chinese
China Electric Power Press Ltd.
Content preview from
Kubernetes即学即用(第二版)
Pod
|
63
gcr.io/kuar-demo/kuard-amd64:blue
如果将示例
5-1
保存到
kuard-pod.yaml
文件,然后通过
kubectl
命令将该清
单加载到
Kubernetes
,则可以得到类似的结果。
示例
5-1
:
kuard-pod.yaml
apiVersion:
v1
kind:
Pod
metadata:
name:
kuard
spec:
containers:
- image:
gcr.io/kuar-demo/kuard-amd64:blue
name:
kuard
ports:
- containerPort:
8080
name:
http
protocol:
TCP
5.4
运行
Pod
在上一节中,我们创建了一个
Pod
清单,可用于启动并运行
kuard Pod
。下面
我们使用
kubectl apply
命令启动
kuard
的一个实例:
$
kubectl apply -f kuard-pod.yaml
这个命令可以将
Pod
清单提交到
Kubernetes API
服务器。然后,由
Kubernetes
系统将该
Pod
调度到集群中运行状况良好的节点上,然后再由
kubelet
守护进程对其进行监控。如果你不理解这段描述的
Kubernetes
的所
有动作,也不必担心。我们会在后续章节中介绍更多细节。
5.4.1
查询
Pod
列表
现在,我们的一个
Pod
已经在运行中了,下面我们来进一步了解它。我们可
以使用
kubectl
命令行工具列出集群中所有正在运行的 ...
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Publisher Resources
ISBN: 9787519856762