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Clarify the documentation for starting a local cluster.

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This commit is contained in:
Prashanth Balasubramanian
2015-02-10 14:46:22 -08:00
parent 535502ead6
commit c51349009c
1 changed files with 19 additions and 4 deletions
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23
docs/getting-started-guides/locally.md
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@@ -20,7 +20,7 @@ You need [go](https://golang.org/doc/install) in your path, please make sure it
### Starting the cluster ### Starting the cluster
In a separate tab of your terminal, run: In a separate tab of your terminal, run the following (since one needs sudo access to start/stop kubernetes daemons, it is easier to run the entire script as root):
``` ```
cd kubernetes cd kubernetes
@@ -31,12 +31,10 @@ This will build and start a lightweight local cluster, consisting of a master
and a single minion. Type Control-C to shut it down. and a single minion. Type Control-C to shut it down.
You can use the cluster/kubectl.sh script to interact with the local cluster. You can use the cluster/kubectl.sh script to interact with the local cluster.
You must set the KUBERNETES_PROVIDER and KUBERNETES_MASTER environment variables to let other programs You must set the KUBERNETES_PROVIDER environment variable.
know how to reach your master.
``` ```
export KUBERNETES_PROVIDER=local export KUBERNETES_PROVIDER=local
export KUBERNETES_MASTER=http://localhost:8080
``` ```
### Running a container ### Running a container
@@ -66,6 +64,19 @@ cluster/kubectl.sh get services
cluster/kubectl.sh get replicationControllers cluster/kubectl.sh get replicationControllers
``` ```
### Running a user defined pod
Note the difference between a [container](https://github.com/GoogleCloudPlatform/kubernetes/blob/master/docs/containers.md)
and a [pod](https://github.com/GoogleCloudPlatform/kubernetes/blob/master/docs/pods.md). Since you only asked for the former, kubernetes will create a wrapper pod for you.
However you can't view the nginx start page on localhost. To verify that nginx is running you need to run `curl` within the docker container (try `docker exec`).
You can control the specifications of a pod via a user defined manifest, and reach nginx through your browser on the port specified therein:
```
cluster/kubectl.sh create -f api/examples/pod.json
```
Congratulations! Congratulations!
### Troubleshooting ### Troubleshooting
@@ -92,3 +103,7 @@ cd kubernetes
hack/build-go.sh hack/build-go.sh
hack/local-up-cluster.sh hack/local-up-cluster.sh
``` ```
#### kubectl claims to start a container but `get pods` and `docker ps` don't show it.
One or more of the kubernetes daemons might've crashed. Tail the logs of each in /tmp.