私有仓库构建与运行
本文详细介绍如何使用私有镜像和Helm Chart构建完整的Kubernetes应用服务。包括镜像构建、服务配置、部署测试等关键步骤,助您轻松实现容器化应用管理。
构建服务镜像
helm 安装
https://github.com/helm/helm/releases
安装 helm v3.9(需要代理)。
登陆镜像仓库
这一步是为了打包时拉得到镜像:
sealos login registry.cn-hangzhou.aliyuncs.com -u username -p password修改 helm chart
下载 helm chart 模板:
git clone https://github.com/luanshaotong/scienson_osm.gitapiVersion: apps/v1
kind: Deployment
metadata:
labels:
run: avatarsolver-osm
name: avatarsolver-osm
spec:
replicas: { { .Values.osm.replicas } }
selector:
matchLabels:
run: avatarsolver-osm
template:
metadata:
labels:
run: avatarsolver-osm
spec:
containers:
- image: registry.cn-hangzhou.aliyuncs.com/scienson/avatarsplver-osm:2022-07-11-21-05
name: app
ports:
- containerPort: 7001
protocol: TCP
- containerPort: 8080
protocol: TCP
resources:
limits:
cpu: 2
memory: 6144Mi
requests:
cpu: 1
memory: 4096Mi用域名的方式解析服务:
apiVersion: v1
kind: Service
metadata:
name: osm-service
spec:
type: ClusterIP
selector:
run: avatarsolver-osm
ports:
- name: osm
port: 7001
targetPort: 7001对公网暴露服务:
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: osm-ingress
spec:
ingressClassName: nginx
rules:
- host: www.abc.com
http:
paths:
- pathType: Prefix
path: /
backend:
service:
name: osm-service
port:
number: 80主要用于渲染副本数:
osm:
replicaCount: 1打包 helm chart
helm package .
修改 image list
cat images/shim/osm
registry.cn-hangzhou.aliyuncs.com/scienson/avatarsplver-osm:2022-07-11-21-05修改 Dockerfile
FROM scratch
COPY . .
CMD ["helm install osm scienson-osm-0.1.1.tgz --namespace osm --create-namespace"]
构建镜像
sealos build -f Dockerfile -t docker.io/luanshaotong/osm:v0.1.1 .测试部署
sealos run labring/kubernetes:v1.25.0 labring/helm:v3.8.2 labring/calico:v3.24.1 --masters 172.31.37.111
kubectl taint no node-role.kubernetes.io/master:NoSchedule-
kubectl taint no node-role.kubernetes.io/control-plane:NoSchedule-
sealos run labring/ingress-nginx:4.1.0
sealos run docker.io/luanshaotong/osm:v0.1.1注意:labring/helm 应当在 labring/calico 之前。 如果每一步的应用安装顺利,即可,否则可能需要调试并清理集群重新安装。
其他问题
清理集群
如果出现问题需要清理集群:
sealos reset
rm /root/.sealos -rf重新安装即可。