rename resize to scale

This commit is contained in:
Anastasis Andronidis
2015-05-21 23:10:25 +02:00
parent d4a47bdb9e
commit 9e3a540940
39 changed files with 391 additions and 382 deletions

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@@ -88,7 +88,7 @@ redis-slave-controller-gziey 10.2.1.4 slave brendanburns/redis
## Scaling
Two single-core minions are certainly not enough for a production system of today, and, as you can see, there is one _unassigned_ pod. Let's resize the cluster by adding a couple of bigger nodes.
Two single-core minions are certainly not enough for a production system of today, and, as you can see, there is one _unassigned_ pod. Let's scale the cluster by adding a couple of bigger nodes.
You will need to open another terminal window on your machine and go to the same working directory (e.g. `~/Workspace/weave-demos/coreos-azure`).
@@ -96,9 +96,9 @@ First, lets set the size of new VMs:
```
export AZ_VM_SIZE=Large
```
Now, run resize script with state file of the previous deployment and number of minions to add:
Now, run scale script with state file of the previous deployment and number of minions to add:
```
./resize-kubernetes-cluster.js ./output/kubernetes_1c1496016083b4_deployment.yml 2
./scale-kubernetes-cluster.js ./output/kubernetes_1c1496016083b4_deployment.yml 2
...
azure_wrapper/info: Saved SSH config, you can use it like so: `ssh -F ./output/kubernetes_8f984af944f572_ssh_conf <hostname>`
azure_wrapper/info: The hosts in this deployment are:
@@ -124,7 +124,7 @@ kube-03 environment=production Ready
kube-04 environment=production Ready
```
You can see that two more minions joined happily. Let's resize the number of Guestbook instances now.
You can see that two more minions joined happily. Let's scale the number of Guestbook instances now.
First, double-check how many replication controllers there are:
@@ -134,12 +134,12 @@ CONTROLLER CONTAINER(S) IMAGE(S)
frontend-controller php-redis kubernetes/example-guestbook-php-redis name=frontend 3
redis-slave-controller slave brendanburns/redis-slave name=redisslave 2
```
As there are 4 minions, let's resize proportionally:
As there are 4 minions, let's scale proportionally:
```
core@kube-00 ~ $ kubectl resize --replicas=4 rc redis-slave-controller
resized
core@kube-00 ~ $ kubectl resize --replicas=4 rc frontend-controller
resized
core@kube-00 ~ $ kubectl scale --replicas=4 rc redis-slave-controller
scaled
core@kube-00 ~ $ kubectl scale --replicas=4 rc frontend-controller
scaled
```
Check what you have now:
```
@@ -182,7 +182,7 @@ If you don't wish care about the Azure bill, you can tear down the cluster. It's
./destroy-cluster.js ./output/kubernetes_8f984af944f572_deployment.yml
```
> Note: make sure to use the _latest state file_, as after resizing there is a new one.
> Note: make sure to use the _latest state file_, as after scaling there is a new one.
By the way, with the scripts shown, you can deploy multiple clusters, if you like :)

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@@ -46,7 +46,7 @@ Note that you will need run this curl command on your boot2docker VM if you are
Now try to scale up the nginx you created before:
```sh
kubectl resize rc nginx --replicas=3
kubectl scale rc nginx --replicas=3
```
And list the pods

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@@ -219,10 +219,10 @@ myNginx nginx name=my-nginx 3
We did not start any services, hence there are none listed. But we see three replicas displayed properly.
Check the [guestbook](../../examples/guestbook/README.md) application to learn how to create a service.
You can already play with resizing the replicas with:
You can already play with scaling the replicas with:
```sh
$ ./cluster/kubectl.sh resize rc my-nginx --replicas=2
$ ./cluster/kubectl.sh scale rc my-nginx --replicas=2
$ ./cluster/kubectl.sh get pods
NAME IMAGE(S) HOST LABELS STATUS
7813c8bd-3ffe-11e4-9036-0800279696e1 nginx 10.245.2.2/10.245.2.2 name=myNginx Running