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Update README.md for cassandra/hazelcast examples to use kubectl resize

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Jeff Lowdermlk
2015-01-16 15:05:13 -08:00
parent 474212106f
commit 7960d88b21
2 changed files with 10 additions and 10 deletions
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10
examples/cassandra/README.md
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@@ -5,7 +5,7 @@ The following document describes the development of a _cloud native_ [Cassandra]
This document also attempts to describe the core components of Kubernetes, _Pods_, _Services_ and _Replication Controllers_. This document also attempts to describe the core components of Kubernetes, _Pods_, _Services_ and _Replication Controllers_.
### Prerequisites ### Prerequisites
This example assumes that you have a Kubernetes cluster installed and running, and that you have installed the ```kubectl``` and ```kubecfg``` command line tools somewhere in your path. Please see the [getting started](https://github.com/GoogleCloudPlatform/kubernetes/tree/master/docs/getting-started-guides) for installation instructions for your platform. This example assumes that you have a Kubernetes cluster installed and running, and that you have installed the ```kubectl``` command line tool somewhere in your path. Please see the [getting started](https://github.com/GoogleCloudPlatform/kubernetes/tree/master/docs/getting-started-guides) for installation instructions for your platform.
### A note for the impatient ### A note for the impatient
This is a somewhat long tutorial. If you want to jump straight to the "do it now" commands, please see the [tl; dr](#tl-dr) at the end. This is a somewhat long tutorial. If you want to jump straight to the "do it now" commands, please see the [tl; dr](#tl-dr) at the end.
@@ -151,7 +151,7 @@ Now this is actually not that interesting, since we haven't actually done anythi
Let's resize our cluster to 2: Let's resize our cluster to 2:
```sh ```sh
$ kubecfg resize cassandra 2 $ kubectl resize rc cassandra --replicas=2
``` ```
Now if you list the pods in your cluster, you should see two cassandra pods: Now if you list the pods in your cluster, you should see two cassandra pods:
@@ -181,7 +181,7 @@ UN 10.244.1.10 41.14 KB 256 100.0% 42617acd-b16e-4ee3-9486-68
Now let's resize our cluster to 4 nodes: Now let's resize our cluster to 4 nodes:
```sh ```sh
$ kubecfg resize cassandra 4 $ kubectl resize rc cassandra --replicas=4
``` ```
Examining the status again: Examining the status again:
@@ -212,13 +212,13 @@ kubectl create -f cassandra-service.yaml
kubectl create -f cassandra-controller.yaml kubectl create -f cassandra-controller.yaml
# scale up to 2 nodes # scale up to 2 nodes
kubecfg resize cassandra 2 kubectl resize rc cassandra --replicas=2
# validate the cluster # validate the cluster
docker exec <container-id> nodetool status docker exec <container-id> nodetool status
# scale up to 4 nodes # scale up to 4 nodes
kubecfg resize cassandra 4 kubectl resize rc cassandra --replicas=4
``` ```
### Seed Provider Source ### Seed Provider Source

10
examples/hazelcast/README.md
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@@ -7,7 +7,7 @@ Any topology changes are communicated and handled by Hazelcast nodes themselves.
This document also attempts to describe the core components of Kubernetes, _Pods_, _Services_ and _Replication Controllers_. This document also attempts to describe the core components of Kubernetes, _Pods_, _Services_ and _Replication Controllers_.
### Prerequisites ### Prerequisites
This example assumes that you have a Kubernetes cluster installed and running, and that you have installed the ```kubectl``` and ```kubecfg``` command line tools somewhere in your path. Please see the [getting started](https://github.com/GoogleCloudPlatform/kubernetes/tree/master/docs/getting-started-guides) for installation instructions for your platform. This example assumes that you have a Kubernetes cluster installed and running, and that you have installed the ```kubectl``` command line tool somewhere in your path. Please see the [getting started](https://github.com/GoogleCloudPlatform/kubernetes/tree/master/docs/getting-started-guides) for installation instructions for your platform.
### A note for the impatient ### A note for the impatient
This is a somewhat long tutorial. If you want to jump straight to the "do it now" commands, please see the [tl; dr](#tl-dr) at the end. This is a somewhat long tutorial. If you want to jump straight to the "do it now" commands, please see the [tl; dr](#tl-dr) at the end.
@@ -142,7 +142,7 @@ Now this is actually not that interesting, since we haven't actually done anythi
Let's resize our cluster to 2: Let's resize our cluster to 2:
```sh ```sh
$ kubecfg resize hazelcast 2 $ kubectl resize rc hazelcast --replicas=2
``` ```
Now if you list the pods in your cluster, you should see two hazelcast pods: Now if you list the pods in your cluster, you should see two hazelcast pods:
@@ -180,7 +180,7 @@ $ kubectl log 16b2beab-94a1-11e4-8a8b-42010af0e23e hazelcast
Now let's resize our cluster to 4 nodes: Now let's resize our cluster to 4 nodes:
```sh ```sh
$ kubecfg resize hazelcast 4 $ kubectl resize rc hazelcast --replicas=4
``` ```
Examine the status again by checking a node’s log and you should see the 4 members connected. Examine the status again by checking a node’s log and you should see the 4 members connected.
@@ -199,13 +199,13 @@ kubectl create -f hazelcast-service.yaml
kubectl create -f hazelcast-controller.yaml kubectl create -f hazelcast-controller.yaml
# scale up to 2 nodes # scale up to 2 nodes
kubecfg resize hazelcast 2 kubectl resize rc hazelcast --replicas=2
# validate the cluster # validate the cluster
docker exec <container-id> nodetool status docker exec <container-id> nodetool status
# scale up to 4 nodes # scale up to 4 nodes
kubecfg resize hazelcast 4 kubectl resize rc hazelcast --replicas=4
``` ```
### Hazelcast Discovery Source ### Hazelcast Discovery Source