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Recommend --watch flag for obtaining external IP information (issue 8483) (#9129)

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* Use --watch flag instead of checking multiple times

* Wording changes
This commit is contained in:
Luc Perkins
2018-07-18 17:34:42 -07:00
committed by k8s-ci-robot
parent 269e3fd37b
commit fa657b76a9
1 changed files with 9 additions and 5 deletions
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content/en/docs/tasks/access-application-cluster/connecting-frontend-backend.md
+9 -5
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@@ -160,24 +160,28 @@ Once you’ve created a Service of type LoadBalancer, you can use this
command to find the external IP: command to find the external IP:
``` ```
kubectl get service frontend kubectl get service frontend --watch
``` ```
The external IP field may take some time to populate. If this is the This displays the configuration for the `frontend` Service and watches for
case, the external IP is listed as `<pending>`. changes. Initially, the external IP is listed as `<pending>`:
``` ```
NAME CLUSTER-IP EXTERNAL-IP PORT(S) AGE NAME CLUSTER-IP EXTERNAL-IP PORT(S) AGE
frontend 10.51.252.116 <pending> 80/TCP 10s frontend 10.51.252.116 <pending> 80/TCP 10s
``` ```
Repeat the same command again until it shows an external IP address: As soon as an external IP is provisioned, however, the configuration updates
to include the new IP under the `EXTERNAL-IP` heading:
``` ```
NAME CLUSTER-IP EXTERNAL-IP PORT(S) AGE NAME CLUSTER-IP EXTERNAL-IP PORT(S) AGE
frontend 10.51.252.116 XXX.XXX.XXX.XXX 80/TCP 1m frontend 10.51.252.116 XXX.XXX.XXX.XXX 80/TCP 1m
``` ```
That IP can now be used to interact with the `frontend` service from outside the
cluster.
### Send traffic through the frontend ### Send traffic through the frontend
The frontend and backends are now connected. You can hit the endpoint The frontend and backends are now connected. You can hit the endpoint
@@ -189,7 +193,7 @@ curl http://<EXTERNAL-IP>
The output shows the message generated by the backend: The output shows the message generated by the backend:
``` ```json
{"message":"Hello"} {"message":"Hello"}
``` ```