我已经在同一个 pods 中使用了多个容器。
kubectl apply -f myymlpod.yml
kubectl expose pod mypod --name=myname-pod --port 8855 --type=NodePort
然后我就可以测试“暴露”
minikube service list
..
|-------------|-------------------------|-----------------------------|
| NAMESPACE | NAME | URL |
|-------------|-------------------------|-----------------------------|
| default | kubernetes | No node port |
| default | myname-pod | http://192.168.99.100:30036 |
| kube-system | kube-dns | No node port |
| kube-system | kubernetes-dashboard | No node port |
|-------------|-------------------------|-----------------------------|
现在,myymlpod.yml中有多个容器。
一个容器的服务在8855上运行,一个在8877。
下面的文章〜提示〜我需要做什么。
https://www.mirantis.com/blog/multi-container-pods-and-container-communication-in-kubernetes/
“创建具有多个公开端口的单一服务”
我找不到任何有关如何实际执行此操作的信息,它公开了多个端口。
如何在一项服务上公开多个端口?
谢谢。
附加:
K8Containers.yml(如下)
apiVersion: v1
kind: Pod
metadata:
name: mypodkindmetadataname
labels:
example: mylabelname
spec:
containers:
- name: containername-springbootfrontend
image: mydocker.com/webfrontendspringboot:latest
resources:
limits:
memory: "800Mi"
cpu: "800m"
requests:
memory: "612Mi"
cpu: "400m"
ports:
- containerPort: 8877
- name: containername-businessservicesspringboot
image: mydocker.com/businessservicesspringboot:latest
resources:
limits:
memory: "800Mi"
cpu: "800m"
requests:
memory: "613Mi"
cpu: "400m"
ports:
- containerPort: 8855
kubectl apply -f K8containers.yml
pod "mypodkindmetadataname" created
kubectl get pods
NAME READY STATUS RESTARTS AGE
mypodkindmetadataname 2/2 Running 0 11s
k8services.yml(如下)
apiVersion: v1
kind: Service
metadata:
name: myymlservice
labels:
name: myservicemetadatalabel
spec:
type: NodePort
ports:
- name: myrestservice-servicekind-port-name
port: 8857
targetPort: 8855
- name: myfrontend-servicekind-port-name
port: 8879
targetPort: 8877
selector:
name: mypodkindmetadataname
........
kubectl apply -f K8services.yml
service "myymlservice" created
........
minikube service myymlservice --url
http://192.168.99.100:30784
http://192.168.99.100:31751
........
kubectl describe service myymlservice
Name: myymlservice
Namespace: default
Labels: name=myservicemetadatalabel
Annotations: kubectl.kubernetes.io/last-applied-configuration={"apiVersion":"v1","kind":"Service","metadata":{"annotations":{},"labels":{"name":"myservicemetadatalabel"},"name":"myymlservice","namespace":"default"...
Selector: name=mypodkindmetadataname
Type: NodePort
IP: 10.107.75.205
Port: myrestservice-servicekind-port-name 8857/TCP
TargetPort: 8855/TCP
NodePort: myrestservice-servicekind-port-name 30784/TCP
Endpoints: <none>
Port: myfrontend-servicekind-port-name 8879/TCP
TargetPort: 8877/TCP
NodePort: myfrontend-servicekind-port-name 31751/TCP
Endpoints: <none>
Session Affinity: None
External Traffic Policy: Cluster
Events: <none>
....
不幸的是,当我尝试调用“公开的”项目时,它仍然无法正常工作。
呼唤
http://192.168.99.100:30784/myrestmethod
不起作用
并打电话
http://192.168.99.100:31751
要么
http://192.168.99.100:31751/index.html
不起作用
有人看到我想念的东西。
APPEND(正在运行)
选择器在“名称”上不匹配,在标签上匹配。
k8containers.yml(部分在顶部)
apiVersion: v1
kind: Pod
metadata:
name: mypodkindmetadataname
labels:
myexamplelabelone: mylabelonevalue
myexamplelabeltwo: mylabeltwovalue
spec:
containers:
# Main application container
- name: containername-springbootfrontend
image: mydocker.com/webfrontendspringboot:latest
resources:
limits:
memory: "800Mi"
cpu: "800m"
requests:
memory: "612Mi"
cpu: "400m"
ports:
- containerPort: 8877
- name: containername-businessservicesspringboot
image: mydocker.com/businessservicesspringboot:latest
resources:
limits:
memory: "800Mi"
cpu: "800m"
requests:
memory: "613Mi"
cpu: "400m"
ports:
- containerPort: 8855
k8services.yml
apiVersion: v1
kind: Service
metadata:
name: myymlservice
labels:
name: myservicemetadatalabel
spec:
type: NodePort
ports:
- name: myrestservice-servicekind-port-name
port: 8857
targetPort: 8855
- name: myfrontend-servicekind-port-name
port: 8879
targetPort: 8877
selector:
myexamplelabelone: mylabelonevalue
myexamplelabeltwo: mylabeltwovalue
最佳答案
是的,您可以创建一个具有多个端口打开的单一服务,也可以创建指向容器端口的服务端口连接。
kind: Service
apiVersion: v1
metadata:
name: mymlservice
spec:
selector:
app: mymlapp
ports:
- name: servicename-1
port: 4444
targetPort: 8855
- name: servicename-2
port: 80
targetPort: 8877
目标端口要装到容器端口的位置。