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Update load-balance-access-application-cluster.md (#8351)

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* Update load-balance-access-application-cluster.md

* Update load-balance-access-application-cluster.md

removed unnecessary code highlights.
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Jonathan Katora
2018-05-06 15:16:50 -04:00
committed by k8s-ci-robot
parent f0a4d99389
commit 221c38d62d
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@@ -33,37 +33,38 @@ load-balanced access to an application running in a cluster.
1. Run a Hello World application in your cluster: 1. Run a Hello World application in your cluster:
```
kubectl run hello-world --replicas=2 --labels="run=load-balancer-example" --image=gcr.io/google-samples/node-hello:1.0 --port=8080 kubectl run hello-world --replicas=2 --labels="run=load-balancer-example" --image=gcr.io/google-samples/node-hello:1.0 --port=8080
```
1. List the pods that are running the Hello World application: 1. List the pods that are running the Hello World application:
```
kubectl get pods --selector="run=load-balancer-example" kubectl get pods --selector="run=load-balancer-example"
```
The output is similar to this: The output is similar to this:
```
NAME READY STATUS RESTARTS AGE NAME READY STATUS RESTARTS AGE
hello-world-2189936611-8fyp0 1/1 Running 0 6m hello-world-2189936611-8fyp0 1/1 Running 0 6m
hello-world-2189936611-9isq8 1/1 Running 0 6m hello-world-2189936611-9isq8 1/1 Running 0 6m
```
1. List the replica set for the two Hello World pods: 1. Create a Service object that exposes the deployment:
kubectl get replicasets --selector="run=load-balancer-example" ```
kubectl expose deployment <your-deployment-name> --type=NodePort --name=example-service
```
The output is similar to this: where `<your-deployment-name>` is the name of your deployment.
NAME DESIRED CURRENT AGE
hello-world-2189936611 2 2 12m
1. Create a Service object that exposes the replica set:
kubectl expose rs <your-replica-set-name> --type="LoadBalancer" --name="example-service"
where `<your-replica-set-name>` is the name of your replica set.
1. Display the IP addresses for your service: 1. Display the IP addresses for your service:
```
kubectl get services example-service kubectl get services example-service
```
The output shows the internal IP address and the external IP address of The output shows the internal IP address and the external IP address of
your service. If the external IP address shows as `<pending>`, repeat the your service. If the external IP address shows as `<pending>`, repeat the
command. command.
@@ -78,26 +79,26 @@ load-balanced access to an application running in a cluster.
curl <your-external-ip-address>:8080 curl <your-external-ip-address>:8080
where `<your-external-ip-address>` is the external IP address of your where `<your-external-ip-address>` is the external IP address of your
service. service.
The output is a hello message from the application: The output is a hello message from the application:
Hello Kubernetes! Hello Kubernetes!
Note: If you are using Minikube, enter these commands: Note: If you are using Minikube, enter these commands:
kubectl cluster-info kubectl cluster-info
kubectl describe services example-service kubectl describe services example-service
The output displays the IP address of your Minikube node and the NodePort The output displays the IP address of your Minikube node and the NodePort
value for your service. Then enter this command to access the Hello World value for your service. Then enter this command to access the Hello World
application: application:
curl <minikube-node-ip-address>:<service-node-port> curl <minikube-node-ip-address>:<service-node-port>
where `<minikube-node-ip-address>` us the IP address of your Minikube node, where `<minikube-node-ip-address>` us the IP address of your Minikube node,
and `<service-node-port>` is the NodePort value for your service. and `<service-node-port>` is the NodePort value for your service.
## Using a service configuration file ## Using a service configuration file