“How to Deploy Tomcat on k8s”的版本间的差异
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| − | k8s部署tomcat | + | =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]] | [[K8s部署tomcat mysql 与ingress暴露服务#tomcat]] | ||
2022年6月30日 (四) 02:11的最新版本
k8s部署tomcat
Deployment
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
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
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
创建service提供外部访问
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/
