#11431 Remove load balance access task (#11518)

2018-12-05 14:03:45 +01:00
parent 11ab628259
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---
-title: Provide Load-Balanced Access to an Application in a Cluster
-content_template: templates/tutorial
-weight: 50
---
-
-{{% capture overview %}}
-
-This page shows how to create a Kubernetes Service object that provides
-load-balanced access to an application running in a cluster.
-
-{{% /capture %}}
-
-
-{{% capture prerequisites %}}
-
-{{< include "task-tutorial-prereqs.md" >}} {{< version-check >}}
-
-{{% /capture %}}
-
-
-{{% capture objectives %}}
-
-* Run two instances of a Hello World application
-* Create a Service object
-* Use the Service object to access the running application
-
-{{% /capture %}}
-
-
-{{% capture lessoncontent %}}
-
-## Creating a Service for an application running in two pods
-
-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
-       ```
-       
-1. List the pods that are running the Hello World application:
-
-       ```
-       kubectl get pods --selector="run=load-balancer-example"
-       ```
-
-    The output is similar to this:
-
-       ```
-       NAME                           READY     STATUS    RESTARTS   AGE
-       hello-world-2189936611-8fyp0   1/1       Running   0          6m
-       hello-world-2189936611-9isq8   1/1       Running   0          6m
-       ```
-
-1. Create a Service object that exposes the deployment:
-
-       ```
-       kubectl expose deployment <your-deployment-name> --type=NodePort --name=example-service
-       ```
-
-    where `<your-deployment-name>` is the name of your deployment.
-
-1. Display the IP addresses for your service:
-
-       ```
-       kubectl get services example-service
-       ```
-   
-   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
-   command.
-
-   {{< note >}}
-   If you are using Minikube, you don't get an external IP address. The
-   external IP address remains in the pending state.
-   {{< /note >}}
-
-       NAME             TYPE       CLUSTER-IP   EXTERNAL-IP   PORT(S)    AGE
-       example-service  ClusterIP  10.0.0.160   <pending>     8080/TCP   40s
-
-1. Use your Service object to access the Hello World application:
-
-       curl <your-external-ip-address>:8080
-
-   where `<your-external-ip-address>` is the external IP address of your
-   service.
-
-   The output is a hello message from the application:
-
-       Hello Kubernetes!
-
-   {{< note >}}
-   If you are using Minikube, enter these commands:
-   {{< /note >}}
-
-       kubectl cluster-info
-       kubectl describe services example-service
-
-   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
-   application:
-
-       curl <minikube-node-ip-address>:<service-node-port>
-
-   where `<minikube-node-ip-address>` us the IP address of your Minikube node,
-   and `<service-node-port>` is the NodePort value for your service.
-
-## Using a service configuration file
-
-As an alternative to using `kubectl expose`, you can use a
-[service configuration file](/docs/concepts/services-networking/service/)
-to create a Service.
-
-
-{{% /capture %}}
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-
-{{% capture whatsnext %}}
-
-Learn more about
-[connecting applications with services](/docs/concepts/services-networking/connect-applications-service/).
-{{% /capture %}}
-
-
-