Evan：/* R */

2022-06-30T02:11:29Z

新页面

=k8s部署tomcat=

==Deployment==
<pre>
root@k8s-master ~]# cat tomcat.yml
apiVersion: apps/v1
kind: Deployment
metadata:
name: tomcat-deployment
labels:
app: tomcat
spec:
replicas: 3
selector:
matchLabels:
app: tomcat
template:
metadata:
labels:
app: tomcat
spec:
containers:
- name: tomcat
image: tomcat:latest
ports:
- containerPort: 8080

#run
[root@k8s-master ~]# kubectl apply -f tomcat.yml
deployment.apps/tomcat-deployment created
</pre>

具体Deployment编写细节请参考以下地址：
https://kubernetes.io/zh/docs/concepts/workloads/controllers/deployment/

== 查看和状态==
<pre>
kubectl get deployments
NAME READY UP-TO-DATE AVAILABLE AGE
tomcat-deployment 3/3 3 3 3m29s

[root@k8s-master ~]# kubectl get pods -o wide
NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES

myweb-j78ct 1/1 Running 1 45h 10.244.1.5 k8s-node1 <none> <none>
myweb-vhxx9 1/1 Running 1 45h 10.244.2.3 k8s-node2 <none> <none>

tomcat-deployment-84ff9bf6b4-2f5cc 1/1 Running 0 3m49s 10.244.2.5 k8s-node2 <none> <none>
tomcat-deployment-84ff9bf6b4-7g26m 1/1 Running 0 3m49s 10.244.0.11 k8s-master <none> <none>
tomcat-deployment-84ff9bf6b4-qptr7 1/1 Running 0 3m49s 10.244.1.6 k8s-node1 <none> <none>
[root@k8s-master ~]# curl 10.244.1.6:8080
<!doctype html><html lang="en"><head><title>HTTP Status 404 – Not Found</title><style type="text/css">body {font-family:Tahoma,Arial,sans-serif;} h1, h2, h3, b {color:white;background-color:#525D76;} h1 {font-size:22px;} h2 {font-size:16px;} h3 {font-size:14px;} p {font-size:12px;} a {color:black;} .line {height:1px;background-color:#525D76;border:none;}</style></head><body><h1>HTTP Status 404 – Not Found</h1><hr class="line" /><p><b>Type</b> Status Report</p><p><b>Description</b> The origin server did not find a current representation for the target resource or is
</pre>

==创建service提供外部访问==
<pre>
cat tomcat-service.yaml
apiVersion: v1
kind: Service
metadata:
name: tomcat-service
spec:
type: NodePort
ports:
- port: 8080
targetPort: 8080
nodePort: 30080
selector:
app: tomcat

kubectl apply -f tomcat-service.yaml

# kubectl get service
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
kubernetes ClusterIP 10.96.0.1 <none> 443/TCP 2d3h
myweb-vhxx9 NodePort 10.110.242.197 <none> 8080:31747/TCP 45h
nginx-pod NodePort 10.97.117.84 <none> 80:32026/TCP 2d3h
tomcat-service NodePort 10.97.228.221 <none> 8080:30080/TCP 10m
[root@k8s-master ~]#

visat mastip + 30080
http://192.168.10.158:30080/
</pre>

<pre>

</pre>

=Reference=
[[K8s部署tomcat mysql 与ingress暴露服务#tomcat]]

[https://www.jianshu.com/p/26d25939eadf 四、k8s部署tomcat]

[[category:k8s]]

How to Deploy Tomcat on k8s - 版本历史

Evan：​/* R */

Evan：/* R */