部署项目
一、先部署mariadb
[root@k8s-master ~]# mkdir aaa
[root@k8s-master ~]# cd aaa/
[root@k8s-master aaa]# # 先部署mariadb
[root@k8s-master aaa]# # configmap
[root@k8s-master aaa]# vim mariadb-configmap.yaml
apiVersion: v1
kind: ConfigMap
metadata:name: mariadb-configmap
data:USER: "wp"PASSWORD: "123"ROOT_PASSWORD: "123"DATABASE: "db"[root@k8s-master aaa]# kubectl create -f mariadb-configmap.yaml
configmap/mariadb-configmap created
[root@k8s-master aaa]# # deployment
[root@k8s-master aaa]# vim mariadb.deployment.yaml
apiVersion: apps/v1
kind: Deployment
metadata:name: mariadb-deploymentlabels:app: mariadb-deployment
spec:replicas: 1selector:matchLabels:app: mariadb-deploymenttemplate:metadata:labels:app: mariadb-deploymentspec:containers:- name: mariadbimage: docker.io/library/mariadb:latestimagePullPolicy: Neverports:- name: mariadbportcontainerPort: 3306envFrom:- prefix: "MARIADB_"configMapRef:name: mariadb-configmap[root@k8s-master aaa]# kubectl create -f mariadb.deployment.yaml
deployment.apps/mariadb-deployment created
[root@k8s-master aaa]# kubectl get pod
NAME READY STATUS RESTARTS AGE
cluster-test0-58689d5d5d-7c49r 1/1 Running 4 (16m ago) 3d2h
haha-96567ff6f-r2mh5 0/1 ImagePullBackOff 0 3d2h
mariadb-deployment-5bf6d9f98c-9mddb 1/1 Running 0 22s
wordpress-7695bd58f4-42hx2 1/1 Running 1 (16m ago) 2d23h
wordpress-7695bd58f4-dqp8q 1/1 Running 1 (16m ago) 2d23h
wordpress-7695bd58f4-v8j7l 1/1 Running 1 (16m ago) 2d23h
[root@k8s-master aaa]# kubectl get po -o wide
NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES
cluster-test0-58689d5d5d-7c49r 1/1 Running 4 (20m ago) 3d2h 172.16.58.193 k8s-node02 <none> <none>
haha-96567ff6f-r2mh5 0/1 ImagePullBackOff 0 3d2h 172.16.85.234 k8s-node01 <none> <none>
mariadb-deployment-5bf6d9f98c-9mddb 1/1 Running 0 4m34s 172.16.85.237 k8s-node01 <none> <none>
wordpress-7695bd58f4-42hx2 1/1 Running 1 (20m ago) 2d23h 172.16.58.255 k8s-node02 <none> <none>
wordpress-7695bd58f4-dqp8q 1/1 Running 1 (20m ago) 2d23h 172.16.85.233 k8s-node01 <none> <none>
wordpress-7695bd58f4-v8j7l 1/1 Running 1 (20m ago) 2d23h 172.16.85.235 k8s-node01 <none> <none>[root@k8s-master aaa]# mysql -h 172.16.85.237 -p123
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MariaDB connection id is 3
Server version: 11.5.2-MariaDB-ubu2404 mariadb.org binary distributionCopyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.MariaDB [(none)]> exit
Bye[root@k8s-master aaa]# vim mariadb-service.yaml
[root@k8s-master aaa]# kubectl create -f mariadb-service.yaml
service/mariadb-service created
[root@k8s-master aaa]# kubectl get svc
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
kubernetes ClusterIP 10.96.0.1 <none> 443/TCP 12d
mariadb-service NodePort 10.96.148.212 <none> 3306:30117/TCP 15s
[root@k8s-master aaa]# kubectl get pod
NAME READY STATUS RESTARTS AGE
cluster-test0-58689d5d5d-7c49r 1/1 Running 4 (33m ago) 3d2h
haha-96567ff6f-r2mh5 0/1 ImagePullBackOff 0 3d2h
mariadb-deployment-5bf6d9f98c-9mddb 1/1 Running 0 17m
wordpress-7695bd58f4-42hx2 1/1 Running 1 (33m ago) 2d23h
wordpress-7695bd58f4-dqp8q 1/1 Running 1 (33m ago) 2d23h
wordpress-7695bd58f4-v8j7l 1/1 Running 1 (33m ago) 2d23h
二、在远程登录工具上进行登录测试，端口号为30117，用户为root，密码为123
三、使用测试工具：
[root@k8s-master aaa]# kubectl exec -it pods/cluster-test0-58689d5d5d-7c49r -- bash
四、部署wordpress
[root@k8s-master aaa]# vim wordpress-configmap.yaml
apiVersion: v1
kind: ConfigMap
metadata:name: wordpress-config
data:NAME: "db"USER: "wp"PASSWORD: "123"HOST: "mariadb-service"[root@k8s-master aaa]# kubectl create -f wordpress-configmap.yaml
configmap/wordpress-config created
[root@k8s-master aaa]# kubectl get cm
NAME DATA AGE
kube-root-ca.crt 1 12d
mariadb-cm 4 3d2h
mariadb-configmap 4 50m
wordpress-cm 4 3d
wordpress-config 4 38s
[root@k8s-master aaa]# vim wordpress-deployment.yaml
apiVersion: apps/v1
kind: Deployment
metadata:name: wordpress-deploymentlabels:app: wordpress-deployment
spec:replicas: 2selector:matchLabels:app: wordpress-deploymenttemplate:metadata:labels:app: wordpress-deploymentspec:containers:- name: wpimage: docker.io/library/wordpress:latestimagePullPolicy: Neverports:- name: wordpressportcontainerPort: 80envFrom:- prefix: "WORDPRESS_DB_"configMapRef:name: wordpress-config[root@k8s-master aaa]# kubectl create -f wordpress-deployment.yaml
deployment.apps/wordpress-deployment created
[root@k8s-master aaa]# kubectl get pod
NAME READY STATUS RESTARTS AGE
cluster-test0-58689d5d5d-7c49r 1/1 Running 5 (9m35s ago) 3d3h
haha-96567ff6f-r2mh5 0/1 ImagePullBackOff 0 3d3h
mariadb-deployment-5bf6d9f98c-9mddb 1/1 Running 0 54m
wordpress-7695bd58f4-42hx2 1/1 Running 1 (70m ago) 3d
wordpress-7695bd58f4-dqp8q 1/1 Running 1 (70m ago) 3d
wordpress-7695bd58f4-v8j7l 1/1 Running 1 (70m ago) 3d
wordpress-deployment-555685954b-52lbs 1/1 Running 0 15s
wordpress-deployment-555685954b-d8qqz 1/1 Running 0 15s
[root@k8s-master aaa]# vim wordpress-service.yaml
apiVersion: v1
kind: Service
metadata:name: wordpress-deployment
spec:selector:app: wordpress-deploymentports:- name: httpport: 80targetPort: 80nodePort: 32000protocol: TCPtype: NodePort[root@k8s-master aaa]# kubectl create -f wordpress-service.yaml
service/wordpress-deployment created
[root@k8s-master aaa]# kubectl get svc
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
kubernetes ClusterIP 10.96.0.1 <none> 443/TCP 12d
mariadb-service NodePort 10.96.148.212 <none> 3306:30117/TCP 46m
wordpress-deployment NodePort 10.96.26.205 <none> 80:32000/TCP 1s
五、浏览器访问本机地址： 192.168.2.66:32000
