部署wordpress项目
部署mariadb
# 启动docker进程systemctl start docker
# 拉取三个镜像
docker pull nginx:alpine
docker pull wordpress:latest
docker pull mariadb:latest
# 保存三个镜像
cd
docker save -o wordpress.tar wordpress:latest
docker save -o mariadb.tar mariadb:latest
# 上传到其他的起点主机
cd
scp wordpress.tar root@192.168.2.77:~
scp mariadb.tar root@192.168.2.88:~
scp wordpress.tar root@192.168.2.77:~
scp mariadb.tar root@192.168.2.88:~
# 起到k8s-node01和k8s-node02
cd
ctr -n k8s.io images import wordpress.tar --platform=linux/amd64
ctr -n k8s.io images import mariadb.tar --platform=linux/amd64
# 创建目录
mkdir wp
cd wp
ls
[root@k8s-master wp]#vim mariadb-cm.yaml
apiVersion: v1
kind: ConfigMap
metadata:
name: mariadb-cm
labels:
cm: mariadb-cm
data:
DATABASE: db
USER: wp
PASSWORD: "123"
ROOT_PASSWORD: "123"
vim mariadb-deployment.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
name: mariadb-deployment
labels:
app: mariadb
spec:
replicas: 1
selector:
matchLabels:
app: mariadb
template:
metadata:
labels:
app: mariadb
spec:
containers:
- name: mariadb
image: docker.io/library/mariadb:latest
imagePullPolicy: Never
ports:
- name: mariadbport
containerPort: 3306
envFrom:
- prefix: "MARIADB_"
configMapRef:
name: mariadb-cm
[root@k8s-master wp]# kubectl create -f mariadb-cm.yaml
configmap/mariadb-cm created
[root@k8s-master wp]# kubectl get cm
NAME DATA AGE
kube-root-ca.crt 1 8d
mariadb-cm 4 14s
[root@k8s-master wp]# kubectl create -f mariadb-deployment.yaml
deployment.apps/mariadb-deployment created
[root@k8s-master wp]# kubectl get po
NAME READY
mariadb-deployment-55bc54f6f5-7vl5l 1/1 Running 0 2s
[root@k8s-master wp]# kubectl get po -o wide
NAME READY
mariadb-deployment-55bc54f6f5-7vl5l 1/1 Running 0 4m44s 172.16.85.227 k8s-node01 <none> <none>
[root@k8s-master wp]# yum -y install mariadb
[root@k8s-master wp]# mysql -h172.16.85.227 -uwp -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 distribution
Copyright (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)]> show databases;
+--------------------+
| Database |
+--------------------+
| db |
| information_schema |
+--------------------+
2 rows in set (0.00 sec)
MariaDB [(none)]> exit;
Bye
[root@k8s-master wp]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
[root@k8s-master wp]# docker run -itd mariadb:latest
a67736ad26f3cab4251238196c322df6a7ca1b862f44d7eb0249a7e549a62e4f
[root@k8s-master wp]# docker ps --all
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
a67736ad26f3 mariadb:latest "docker-entrypoint.s…" 9 seconds ago Exited (1) 7 seconds ago eager_hopper
[root@k8s-master wp]# docker run -tid -e MARIADB_ROOT_PASSWORD=123 mariadb:latest
f635b88a030a4cc2422abbff12990c7091057c0e19ae16280687199cfed08291
[root@k8s-master wp]# docker ps --all
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
f635b88a030a mariadb:latest "docker-entrypoint.s…" 19 seconds ago Up 18 seconds 3306/tcp funny_raman
a67736ad26f3 mariadb:latest "docker-entrypoint.s…" About a minute ago Exited (1) About a minute ago eager_hopper
[root@k8s-master wp]# mysql -h172.16.85.227 -uroot -p123
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MariaDB connection id is 4
Server version: 11.5.2-MariaDB-ubu2404 mariadb.org binary distribution
Copyright (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)]> show databases;
+--------------------+
| Database |
+--------------------+
| db |
| information_schema |
| mysql |
| performance_schema |
| sys |
+--------------------+
5 rows in set (0.00 sec)
MariaDB [(none)]> exit;
Bye
部署wordpress
[root@k8s-master wp]# vim wordpress-cm.yaml apiVersion: v1 kind: ConfigMap metadata: name: wordpress-cm labels: cm: wordpress-cm data: NAME: "db" USER: "wp" PASSWORD: "123" HOST: "172.16.85.227" [root@k8s-master wp]# kubectl create -f wordpress-cm.yaml configmap/wordpress-cm created [root@k8s-master wp]# kubectl get cm NAME DATA AGE kube-root-ca.crt 1 9d mariadb-cm 4 29m wordpress-cm 4 110s [root@k8s-master wp]# vim wordpress-deployment.yaml apiVersion: apps/v1 kind: Deployment metadata: name: wordpress labels: app: wordpress spec: replicas: 3 selector: matchLabels: app: wordpress template: metadata: labels: app: wordpress spec: containers: - name: wordpress image: docker.io/library/wordpress:latest imagePullPolicy: Never ports: - name: wpport containerPort: 80 envFrom: - prefix: "WORDPRESS_DB_" configMapRef: name: wordpress-cm [root@k8s-master wp]# kubectl create -f wordpress-deployment.yaml deployment.apps/wordpress created [root@k8s-master wp]# kubectl get po NAME READY STATUS RESTARTS AGE cluster-test0-58689d5d5d-7c49r 1/1 Running 1 (32m ago) 92m haha-96567ff6f-r2mh5 0/1 ImagePullBackOff 0 100m mariadb-deployment-55bc54f6f5-7vl5l 1/1 Running 0 42m wordpress-7695bd58f4-9qddf 1/1 Running 0 92s wordpress-7695bd58f4-skrdj 1/1 Running 0 92s wordpress-7695bd58f4-wt4nk 1/1 Running 0 92s [root@k8s-master wp]# kubectl get po -o wide NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES cluster-test0-58689d5d5d-7c49r 1/1 Running 1 (32m ago) 92m 172.16.58.249 k8s-node02 <none> <none> haha-96567ff6f-r2mh5 0/1 ImagePullBackOff 0 100m 172.16.85.223 k8s-node01 <none> <none> mariadb-deployment-55bc54f6f5-7vl5l 1/1 Running 0 42m 172.16.85.227 k8s-node01 <none> <none> wordpress-7695bd58f4-9qddf 1/1 Running 0 105s 172.16.58.250 k8s-node02 <none> <none> wordpress-7695bd58f4-skrdj 1/1 Running 0 105s 172.16.85.228 k8s-node01 <none> <none> wordpress-7695bd58f4-wt4nk 1/1 Running 0 105s 172.16.85.229 k8s-node01 <none> <none> [root@k8s-master wp]# curl 172.16.58.250 [root@k8s-master wp]# kubectl port-forward deployments/wordpress 8080:80 [root@k8s-master wp]# nohup kubectl port-forward deployments/wordpress 8080:80 & [root@k8s-master wp]# netstat -lnput|grep 8080 tcp 0 0 127.0.0.1:8080 0.0.0.0:* LISTEN 84356/kubectl tcp6 0 0 ::1:8080 :::* LISTEN 84356/kubectl
部署nginx容器
[root@k8s-master wp]# vim nginx.conf
server {
listen 80;
default_type text/html;
location / {
proxy_http_version 1.1;
proxy_set_header Host $host;
proxy_pass http://127.0.0.1:8080;
}
}
[root@k8s-master wp]# docker run -itd -p80:80 -v ./nginx.conf:/etc/nginx/conf.d/default.conf nginx:alpine
579352ef549590d1a9d8bffec9fada0d9abffbcbdfa8db2ee211c667eb9729bb
[root@k8s-master wp]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
579352ef5495 nginx:alpine "/docker-entrypoint.…" 5 seconds ago Up 5 seconds 0.0.0.0:80->80/tcp, :::80->80/tcp vibrant_carson
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