我已经创建了Docker,它有debian + python-django,可以在8000端口上运行。但是在部署到azure-ak之后,url path在8000端口下不工作。把重要的细节记在下面。
步骤1:
Dockerfile :
EXPOSE 8000
RUN /usr/local/bin/python3 manage.py migrate
CMD [ "python3", "manage.py", "runserver", "0.0.0.0:8000" ]步骤2:构建docker镜像后,推送到azure注册表。
步骤3: myfile.yaml :这是将azure注册表文件部署到aks集群。
apiVersion: apps/v1
kind: Deployment
metadata:
name: myops
spec:
replicas: 1
selector:
matchLabels:
app: myops
template:
metadata:
labels:
app: myops
spec:
containers:
- name: myops
image: quantumregistry.azurecr.io/myops:v1.0
ports:
- containerPort: 8000
---
# [START service]
apiVersion: v1
kind: Service
metadata:
name: myops-python
spec:
type: LoadBalancer
ports:
- port: 8000
targetPort: 8888
selector:
app: myops
# [END service]部署到aks : kubectl apply -f myops.yaml
第四步:检查服务
kubectl get service myops-python --watch
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
myops-python LoadBalancer <cluster-ip> <external-ip> 8000:30778/TCP 37m注意:我已经屏蔽了IP,不会暴露给公众。
第5步:我看到容器运行正常
kubectl get pods
NAME READY STATUS RESTARTS AGE
myops-5bbd459745-cz2vc 1/1 Running 0 19m步骤6:我看到容器日志,显示python在host 0.0.0.0:8000端口下运行。
kubectl logs -f myops-5bbd459745-cz2vc
Watching for file changes with StatReloader
Performing system checks...
WARNING:param.main: pandas could not register all extension types imports failed with the following error: cannot import name 'ABCIndexClass' from 'pandas.core.dtypes.generic' (/usr/local/lib/python3.9/site-packages/pandas/core/dtypes/generic.py)
System check identified no issues (0 silenced).
September 19, 2021 - 06:47:57
Django version 3.2.5, using settings 'myops_project.settings'
Starting development server at http://0.0.0.0:8000/
Quit the server with CONTROL-C.问题是,当我在浏览器http://:8000/myops_app中打开它时,它不工作并且超时。
发布于 2021-09-20 19:07:44
服务myops-python设置为在端口8000上接收请求,但随后会将请求发送到目标端口8888上的pod。
端口:-端口: 8000 targetPort: 8888
但是,Pod myops中的容器myops没有侦听端口8888。相反,它正在侦听端口8000。
Dockerfile文件:
EXPOSE 8000run /usr/local/bin/python3 manage.py迁移命令"python3","manage.py","runserver","0.0.0.0: 8000“
请手动将spec.ports[0].targetPort设置为8000,或从服务myops-python中的spec.ports[0]中删除targetPort。为方便起见,默认情况下,targetPort设置为与port字段相同的值。有关详细信息,请参阅Defining a Service。
提示:您可以使用kubectl edit service <service-name> -n <namepsace>编辑服务清单。
https://stackoverflow.com/questions/69241111
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