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Commit 55041375 authored by Wojciech Tyczynski's avatar Wojciech Tyczynski
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Merge pull request #13151 from pires/coreos_doc_cleanup

Clean-up CoreOS documentation.
parents 87a130ba 36aa867a
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docs/getting-started-guides/README.md
View file @ 55041375
......@@ -158,7 +158,6 @@ AWS | Juju | Ubuntu | flannel | [docs](juju.md)
OpenStack/HPCloud | Juju | Ubuntu | flannel | [docs](juju.md) | | [Community](https://github.com/whitmo/bundle-kubernetes) ( [@whit](https://github.com/whitmo), [@matt](https://github.com/mbruzek), [@chuck](https://github.com/chuckbutler) )
Joyent | Juju | Ubuntu | flannel | [docs](juju.md) | | [Community](https://github.com/whitmo/bundle-kubernetes) ( [@whit](https://github.com/whitmo), [@matt](https://github.com/mbruzek), [@chuck](https://github.com/chuckbutler) )
AWS | Saltstack | Ubuntu | OVS | [docs](aws.md) | | Community ([@justinsb](https://github.com/justinsb))
Vmware | CoreOS | CoreOS | flannel | [docs](coreos.md) | | Community ([@kelseyhightower](https://github.com/kelseyhightower))
Azure | Saltstack | Ubuntu | OpenVPN | [docs](azure.md) | | Community
Bare-metal | custom | Ubuntu | Calico | [docs](ubuntu-calico.md) | | Community ([@djosborne](https://github.com/djosborne))
Bare-metal | custom | Ubuntu | flannel | [docs](ubuntu.md) | | Community ([@resouer](https://github.com/resouer), [@WIZARD-CXY](https://github.com/WIZARD-CXY))
......
docs/getting-started-guides/aws-coreos.md deleted 100644 → 0
View file @ 87a130ba
<!-- BEGIN MUNGE: UNVERSIONED_WARNING -->
<!-- BEGIN STRIP_FOR_RELEASE -->
<img src="http://kubernetes.io/img/warning.png" alt="WARNING"
width="25" height="25">
<img src="http://kubernetes.io/img/warning.png" alt="WARNING"
width="25" height="25">
<img src="http://kubernetes.io/img/warning.png" alt="WARNING"
width="25" height="25">
<img src="http://kubernetes.io/img/warning.png" alt="WARNING"
width="25" height="25">
<img src="http://kubernetes.io/img/warning.png" alt="WARNING"
width="25" height="25">
<h2>PLEASE NOTE: This document applies to the HEAD of the source tree</h2>
If you are using a released version of Kubernetes, you should
refer to the docs that go with that version.
<strong>
The latest 1.0.x release of this document can be found
[here](http://releases.k8s.io/release-1.0/docs/getting-started-guides/aws-coreos.md).
Documentation for other releases can be found at
[releases.k8s.io](http://releases.k8s.io).
</strong>
--
<!-- END STRIP_FOR_RELEASE -->
<!-- END MUNGE: UNVERSIONED_WARNING -->
# Getting started on Amazon EC2 with CoreOS
The example below creates an elastic Kubernetes cluster with a custom number of worker nodes and a master.
**Warning:** contrary to the [supported procedure](aws.md), the examples below provision Kubernetes with an insecure API server (plain HTTP,
no security tokens, no basic auth). For demonstration purposes only.
## Highlights
* Cluster bootstrapping using [cloud-config](https://coreos.com/docs/cluster-management/setup/cloudinit-cloud-config/)
* Cross container networking with [flannel](https://github.com/coreos/flannel#flannel)
* Auto worker registration with [kube-register](https://github.com/kelseyhightower/kube-register#kube-register)
* Kubernetes v0.19.3 [official binaries](https://github.com/GoogleCloudPlatform/kubernetes/releases/tag/v0.19.3)
## Prerequisites
* [aws CLI](http://aws.amazon.com/cli)
* [CoreOS image for AWS](https://coreos.com/docs/running-coreos/cloud-providers/ec2/)
* [kubectl CLI](aws/kubectl.md) ([installation](aws.md#command-line-administration-tool-kubectl))
## Starting a Cluster
### CloudFormation
The [cloudformation-template.json](aws/cloudformation-template.json) can be used to bootstrap a Kubernetes cluster with a single command:
```bash
aws cloudformation create-stack --stack-name kubernetes --region us-west-2 \
--template-body file://aws/cloudformation-template.json \
--parameters ParameterKey=KeyPair,ParameterValue=<keypair> \
ParameterKey=ClusterSize,ParameterValue=<cluster_size> \
ParameterKey=VpcId,ParameterValue=<vpc_id> \
ParameterKey=SubnetId,ParameterValue=<subnet_id> \
ParameterKey=SubnetAZ,ParameterValue=<subnet_az>
```
It will take a few minutes for the entire stack to come up. You can monitor the stack progress with the following command:
```bash
aws cloudformation describe-stack-events --stack-name kubernetes
```
Record the Kubernetes Master IP address:
```bash
aws cloudformation describe-stacks --stack-name kubernetes
```
[Skip to kubectl client configuration](#configure-the-kubectl-ssh-tunnel)
### AWS CLI
The following commands shall use the latest CoreOS alpha AMI for the `us-west-2` region. For a list of different regions and corresponding AMI IDs see the [CoreOS EC2 cloud provider documentation](https://coreos.com/docs/running-coreos/cloud-providers/ec2/#choosing-a-channel).
#### Create the Kubernetes Security Group
```bash
aws ec2 create-security-group --group-name kubernetes --description "Kubernetes Security Group"
aws ec2 authorize-security-group-ingress --group-name kubernetes --protocol tcp --port 22 --cidr 0.0.0.0/0
aws ec2 authorize-security-group-ingress --group-name kubernetes --protocol tcp --port 80 --cidr 0.0.0.0/0
aws ec2 authorize-security-group-ingress --group-name kubernetes --source-security-group-name kubernetes
```
#### Save the master and node cloud-configs
* [master.yaml](aws/cloud-configs/master.yaml)
* [node.yaml](aws/cloud-configs/node.yaml)
#### Launch the master
*Attention:* replace `<ami_image_id>` below for a [suitable version of CoreOS image for AWS](https://coreos.com/docs/running-coreos/cloud-providers/ec2/).
```bash
aws ec2 run-instances --image-id <ami_image_id> --key-name <keypair> \
--region us-west-2 --security-groups kubernetes --instance-type m3.medium \
--user-data file://master.yaml
```
Record the `InstanceId` for the master.
Gather the public and private IPs for the master node:
```bash
aws ec2 describe-instances --instance-id <instance-id>
```
```json
{
"Reservations": [
{
"Instances": [
{
"PublicDnsName": "ec2-54-68-97-117.us-west-2.compute.amazonaws.com",
"RootDeviceType": "ebs",
"State": {
"Code": 16,
"Name": "running"
},
"PublicIpAddress": "54.68.97.117",
"PrivateIpAddress": "172.31.9.9",
```
#### Update the node.yaml cloud-config
Edit `node.yaml` and replace all instances of `<master-private-ip>` with the **private** IP address of the master node.
### Launch 3 worker nodes
*Attention:* Replace `<ami_image_id>` below for a [suitable version of CoreOS image for AWS](https://coreos.com/docs/running-coreos/cloud-providers/ec2/#choosing-a-channel).
```bash
aws ec2 run-instances --count 3 --image-id <ami_image_id> --key-name <keypair> \
--region us-west-2 --security-groups kubernetes --instance-type m3.medium \
--user-data file://node.yaml
```
### Add additional worker nodes
*Attention:* replace `<ami_image_id>` below for a [suitable version of CoreOS image for AWS](https://coreos.com/docs/running-coreos/cloud-providers/ec2/#choosing-a-channel).
```bash
aws ec2 run-instances --count 1 --image-id <ami_image_id> --key-name <keypair> \
--region us-west-2 --security-groups kubernetes --instance-type m3.medium \
--user-data file://node.yaml
```
### Configure the kubectl SSH tunnel
This command enables secure communication between the kubectl client and the Kubernetes API.
```bash
ssh -f -nNT -L 8080:127.0.0.1:8080 core@<master-public-ip>
```
### Listing worker nodes
Once the worker instances have fully booted, they will be automatically registered with the Kubernetes API server by the kube-register service running on the master node. It may take a few mins.
```bash
kubectl get nodes
```
## Starting a simple pod
Create a pod manifest: `pod.json`
```json
{
"apiVersion": "v1",
"kind": "Pod",
"metadata": {
"name": "hello",
"labels": {
"name": "hello",
"environment": "testing"
}
},
"spec": {
"containers": [{
"name": "hello",
"image": "quay.io/kelseyhightower/hello",
"ports": [{
"containerPort": 80,
"hostPort": 80
}]
}]
}
}
```
### Create the pod using the kubectl command line tool
```bash
kubectl create -f ./pod.json
```
### Testing
```bash
kubectl get pods
```
Record the **Host** of the pod, which should be the private IP address.
Gather the public IP address for the worker node.
```bash
aws ec2 describe-instances --filters 'Name=private-ip-address,Values=<host>'
```
```json
{
"Reservations": [
{
"Instances": [
{
"PublicDnsName": "ec2-54-68-97-117.us-west-2.compute.amazonaws.com",
"RootDeviceType": "ebs",
"State": {
"Code": 16,
"Name": "running"
},
"PublicIpAddress": "54.68.97.117",
```
Visit the public IP address in your browser to view the running pod.
### Delete the pod
```bash
kubectl delete pods hello
```
<!-- BEGIN MUNGE: GENERATED_ANALYTICS -->
[![Analytics](https://kubernetes-site.appspot.com/UA-36037335-10/GitHub/docs/getting-started-guides/aws-coreos.md?pixel)]()
<!-- END MUNGE: GENERATED_ANALYTICS -->
docs/getting-started-guides/aws.md
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......@@ -98,8 +98,8 @@ NOTE: If using an existing keypair named "kubernetes" then you must set the `AWS
### Alternatives
A contributed [example](aws-coreos.md) allows you to setup a Kubernetes cluster based on [CoreOS](http://www.coreos.com), either using
AWS CloudFormation or EC2 with user data (cloud-config).
A contributed [example](coreos/coreos_multinode_cluster.md) allows you to setup a Kubernetes cluster based on [CoreOS](http://www.coreos.com), using
EC2 with user data (cloud-config).
## Getting started with your cluster
......
docs/getting-started-guides/aws/cloud-configs/master.yaml deleted 100644 → 0
View file @ 87a130ba
#cloud-config
write_files:
- path: /opt/bin/waiter.sh
owner: root
permissions: 0755
content: |
#! /usr/bin/bash
until curl http://127.0.0.1:2379/v2/machines; do sleep 2; done
coreos:
etcd2:
name: master
initial-cluster-token: k8s_etcd
initial-cluster: master=http://$private_ipv4:2380
listen-peer-urls: http://$private_ipv4:2380,http://localhost:2380
initial-advertise-peer-urls: http://$private_ipv4:2380
listen-client-urls: http://$private_ipv4:2379,http://localhost:2379
advertise-client-urls: http://$private_ipv4:2379
fleet:
etcd_servers: http://localhost:2379
metadata: k8srole=master
flannel:
etcd_endpoints: http://localhost:2379
locksmithd:
endpoint: http://localhost:2379
units:
- name: etcd2.service
command: start
- name: fleet.service
command: start
- name: etcd2-waiter.service
command: start
content: |
[Unit]
Description=etcd waiter
Wants=network-online.target
Wants=etcd2.service
After=etcd2.service
After=network-online.target
Before=flanneld.service fleet.service locksmithd.service
[Service]
ExecStart=/usr/bin/bash /opt/bin/waiter.sh
RemainAfterExit=true
Type=oneshot
- name: flanneld.service
command: start
drop-ins:
- name: 50-network-config.conf
content: |
[Service]
ExecStartPre=-/usr/bin/etcdctl mk /coreos.com/network/config '{"Network": "10.244.0.0/16", "Backend": {"Type": "vxlan"}}'
- name: docker-cache.service
command: start
content: |
[Unit]
Description=Docker cache proxy
Requires=early-docker.service
After=early-docker.service
Before=early-docker.target
[Service]
Restart=always
TimeoutStartSec=0
RestartSec=5
Environment=TMPDIR=/var/tmp/
Environment=DOCKER_HOST=unix:///var/run/early-docker.sock
ExecStartPre=-/usr/bin/docker kill docker-registry
ExecStartPre=-/usr/bin/docker rm docker-registry
ExecStartPre=/usr/bin/docker pull quay.io/devops/docker-registry:latest
# GUNICORN_OPTS is an workaround for
# https://github.com/docker/docker-registry/issues/892
ExecStart=/usr/bin/docker run --rm --net host --name docker-registry \
-e STANDALONE=false \
-e GUNICORN_OPTS=[--preload] \
-e MIRROR_SOURCE=https://registry-1.docker.io \
-e MIRROR_SOURCE_INDEX=https://index.docker.io \
-e MIRROR_TAGS_CACHE_TTL=1800 \
quay.io/devops/docker-registry:latest
- name: docker.service
drop-ins:
- name: 51-docker-mirror.conf
content: |
[Unit]
# making sure that docker-cache is up and that flanneld finished
# startup, otherwise containers won't land in flannel's network...
Requires=docker-cache.service
After=docker-cache.service
[Service]
Environment=DOCKER_OPTS='--registry-mirror=http://$private_ipv4:5000'
- name: get-kubectl.service
command: start
content: |
[Unit]
Description=Get kubectl client tool
Documentation=https://github.com/GoogleCloudPlatform/kubernetes
Requires=network-online.target
After=network-online.target
[Service]
ExecStart=/usr/bin/wget -N -P /opt/bin https://storage.googleapis.com/kubernetes-release/release/v1.0.1/bin/linux/amd64/kubectl
ExecStart=/usr/bin/chmod +x /opt/bin/kubectl
Type=oneshot
RemainAfterExit=true
- name: kube-apiserver.service
command: start
content: |
[Unit]
Description=Kubernetes API Server
Documentation=https://github.com/GoogleCloudPlatform/kubernetes
Requires=etcd2-waiter.service
After=etcd2-waiter.service
[Service]
ExecStartPre=/usr/bin/wget -N -P /opt/bin https://storage.googleapis.com/kubernetes-release/release/v1.0.1/bin/linux/amd64/kube-apiserver
ExecStartPre=/usr/bin/chmod +x /opt/bin/kube-apiserver
ExecStart=/opt/bin/kube-apiserver \
--insecure-bind-address=0.0.0.0 \
--service-cluster-ip-range=10.100.0.0/16 \
--etcd-servers=http://localhost:2379
Restart=always
RestartSec=10
- name: kube-controller-manager.service
command: start
content: |
[Unit]
Description=Kubernetes Controller Manager
Documentation=https://github.com/GoogleCloudPlatform/kubernetes
Requires=kube-apiserver.service
After=kube-apiserver.service
[Service]
ExecStartPre=/usr/bin/wget -N -P /opt/bin https://storage.googleapis.com/kubernetes-release/release/v1.0.1/bin/linux/amd64/kube-controller-manager
ExecStartPre=/usr/bin/chmod +x /opt/bin/kube-controller-manager
ExecStart=/opt/bin/kube-controller-manager \
--master=127.0.0.1:8080
Restart=always
RestartSec=10
- name: kube-scheduler.service
command: start
content: |
[Unit]
Description=Kubernetes Scheduler
Documentation=https://github.com/GoogleCloudPlatform/kubernetes
Requires=kube-apiserver.service
After=kube-apiserver.service
[Service]
ExecStartPre=/usr/bin/wget -N -P /opt/bin https://storage.googleapis.com/kubernetes-release/release/v1.0.1/bin/linux/amd64/kube-scheduler
ExecStartPre=/usr/bin/chmod +x /opt/bin/kube-scheduler
ExecStart=/opt/bin/kube-scheduler \
--master=127.0.0.1:8080
Restart=always
RestartSec=10
- name: kube-register.service
command: start
content: |
[Unit]
Description=Kubernetes Registration Service
Documentation=https://github.com/kelseyhightower/kube-register
Requires=kube-apiserver.service fleet.service
After=kube-apiserver.service fleet.service
[Service]
ExecStartPre=-/usr/bin/wget -nc -O /opt/bin/kube-register https://github.com/kelseyhightower/kube-register/releases/download/v0.0.4/kube-register-0.0.4-linux-amd64
ExecStartPre=/usr/bin/chmod +x /opt/bin/kube-register
ExecStart=/opt/bin/kube-register \
--metadata=k8srole=node \
--fleet-endpoint=unix:///var/run/fleet.sock \
--api-endpoint=http://127.0.0.1:8080
Restart=always
RestartSec=10
update:
group: alpha
reboot-strategy: off
docs/getting-started-guides/aws/cloud-configs/node.yaml deleted 100644 → 0
View file @ 87a130ba
#cloud-config
write_files:
- path: /opt/bin/wupiao
owner: root
permissions: 0755
content: |
#!/bin/bash
# [w]ait [u]ntil [p]ort [i]s [a]ctually [o]pen
[ -n "$1" ] && [ -n "$2" ] && while ! curl --output /dev/null \
--silent --head --fail \
http://${1}:${2}; do sleep 1 && echo -n .; done;
exit $?
coreos:
etcd2:
listen-client-urls: http://localhost:2379
advertise-client-urls: http://0.0.0.0:2379
initial-cluster: master=http://<master-private-ip>:2380
proxy: on
fleet:
etcd_servers: http://localhost:2379
metadata: k8srole=node
flannel:
etcd_endpoints: http://localhost:2379
locksmithd:
endpoint: http://localhost:2379
units:
- name: etcd2.service
command: start
- name: fleet.service
command: start
- name: flanneld.service
command: start
- name: docker.service
command: start
drop-ins:
- name: 50-docker-mirror.conf
content: |
[Service]
Environment=DOCKER_OPTS='--registry-mirror=http://<master-private-ip>:5000'
- name: kubelet.service
command: start
content: |
[Unit]
Description=Kubernetes Kubelet
Documentation=https://github.com/GoogleCloudPlatform/kubernetes
Requires=network-online.target
After=network-online.target
[Service]
ExecStartPre=/usr/bin/wget -N -P /opt/bin https://storage.googleapis.com/kubernetes-release/release/v1.0.1/bin/linux/amd64/kubelet
ExecStartPre=/usr/bin/chmod +x /opt/bin/kubelet
# wait for kubernetes master to be up and ready
ExecStartPre=/opt/bin/wupiao <master-private-ip> 8080
ExecStart=/opt/bin/kubelet \
--api-servers=<master-private-ip>:8080 \
--hostname-override=$private_ipv4
Restart=always
RestartSec=10
- name: kube-proxy.service
command: start
content: |
[Unit]
Description=Kubernetes Proxy
Documentation=https://github.com/GoogleCloudPlatform/kubernetes
Requires=network-online.target
After=network-online.target
[Service]
ExecStartPre=/usr/bin/wget -N -P /opt/bin https://storage.googleapis.com/kubernetes-release/release/v1.0.1/bin/linux/amd64/kube-proxy
ExecStartPre=/usr/bin/chmod +x /opt/bin/kube-proxy
# wait for kubernetes master to be up and ready
ExecStartPre=/opt/bin/wupiao <master-private-ip> 8080
ExecStart=/opt/bin/kube-proxy \
--master=http://<master-private-ip>:8080
Restart=always
RestartSec=10
update:
group: alpha
reboot-strategy: off
docs/getting-started-guides/aws/kubectl.md deleted 100644 → 0
View file @ 87a130ba
<!-- BEGIN MUNGE: UNVERSIONED_WARNING -->
<!-- BEGIN STRIP_FOR_RELEASE -->
<img src="http://kubernetes.io/img/warning.png" alt="WARNING"
width="25" height="25">
<img src="http://kubernetes.io/img/warning.png" alt="WARNING"
width="25" height="25">
<img src="http://kubernetes.io/img/warning.png" alt="WARNING"
width="25" height="25">
<img src="http://kubernetes.io/img/warning.png" alt="WARNING"
width="25" height="25">
<img src="http://kubernetes.io/img/warning.png" alt="WARNING"
width="25" height="25">
<h2>PLEASE NOTE: This document applies to the HEAD of the source tree</h2>
If you are using a released version of Kubernetes, you should
refer to the docs that go with that version.
<strong>
The latest 1.0.x release of this document can be found
[here](http://releases.k8s.io/release-1.0/docs/getting-started-guides/aws/kubectl.md).
Documentation for other releases can be found at
[releases.k8s.io](http://releases.k8s.io).
</strong>
--
<!-- END STRIP_FOR_RELEASE -->
<!-- END MUNGE: UNVERSIONED_WARNING -->
# Install and configure kubectl
## Download the kubectl CLI tool
```bash
### Darwin
wget https://storage.googleapis.com/kubernetes-release/release/v0.19.3/bin/darwin/amd64/kubectl
### Linux
wget https://storage.googleapis.com/kubernetes-release/release/v0.19.3/bin/linux/amd64/kubectl
```
### Copy kubectl to your path
```bash
chmod +x kubectl
mv kubectl /usr/local/bin/
```
### Create a secure tunnel for API communication
```bash
ssh -f -nNT -L 8080:127.0.0.1:8080 core@<master-public-ip>
```
<!-- BEGIN MUNGE: GENERATED_ANALYTICS -->
[![Analytics](https://kubernetes-site.appspot.com/UA-36037335-10/GitHub/docs/getting-started-guides/aws/kubectl.md?pixel)]()
<!-- END MUNGE: GENERATED_ANALYTICS -->
docs/getting-started-guides/coreos.md
View file @ 55041375
......@@ -38,8 +38,7 @@ There are multiple guides on running Kubernetes with [CoreOS](http://coreos.com)
* [Multi-node Cluster](coreos/coreos_multinode_cluster.md)
* [Setup Multi-node Cluster on Google Compute Engine in an easy way](https://github.com/rimusz/coreos-multi-node-k8s-gce/blob/master/README.md)
* [Multi-node cluster using cloud-config and Weave on Vagrant](https://github.com/errordeveloper/weave-demos/blob/master/poseidon/README.md)
* [Multi-node cluster using cloud-config and Vagrant](https://github.com/pires/kubernetes-vagrant-coreos-cluster/blob/master/README.md)
* [Yet another multi-node cluster using cloud-config and Vagrant](https://github.com/AntonioMeireles/kubernetes-vagrant-coreos-cluster/blob/master/README.md) (similar to the one above but with an increased, more *aggressive* focus on features and flexibility)
* [Multi-node cluster using cloud-config and Vagrant (supports VirtualBox, Parallels and VMware)](https://github.com/pires/kubernetes-vagrant-coreos-cluster/blob/master/README.md)
* [Multi-node cluster with Vagrant and fleet units using a small OS X App](https://github.com/rimusz/coreos-osx-gui-kubernetes-cluster/blob/master/README.md)
* [Resizable multi-node cluster on Azure with Weave](coreos/azure/README.md)
* [Multi-node cluster using cloud-config, coreos and VMware ESXi](https://github.com/xavierbaude/VMware-coreos-multi-nodes-Kubernetes)
......
docs/getting-started-guides/coreos/coreos_multinode_cluster.md
View file @ 55041375
......@@ -161,7 +161,7 @@ nova list
#### Get a Suitable CoreOS Image
You'll need a [suitable version of CoreOS image for OpenStack] (https://coreos.com/os/docs/latest/booting-on-openstack.html)
You'll need a [suitable version of CoreOS image for OpenStack](https://coreos.com/os/docs/latest/booting-on-openstack.html)
Once you download that, upload it to glance. An example is shown below:
```sh
......@@ -229,39 +229,6 @@ minion01
This is basically the same as the master nodes but with the node.yaml post-boot script instead of the master.
### VMware Fusion
#### Create the master config-drive
```sh
mkdir -p /tmp/new-drive/openstack/latest/
cp master.yaml /tmp/new-drive/openstack/latest/user_data
hdiutil makehybrid -iso -joliet -joliet-volume-name "config-2" -joliet -o master.iso /tmp/new-drive
```
#### Provision the Master
Boot the [vmware image](https://coreos.com/docs/running-coreos/platforms/vmware) using `master.iso` as a config drive.
#### Capture the master private IP address
#### Edit node.yaml
Edit `node.yaml` and replace all instances of `<master-private-ip>` with the private IP address of the master node.
#### Create the node config-drive
```sh
mkdir -p /tmp/new-drive/openstack/latest/
cp node.yaml /tmp/new-drive/openstack/latest/user_data
hdiutil makehybrid -iso -joliet -joliet-volume-name "config-2" -joliet -o node.iso /tmp/new-drive
```
#### Provision worker nodes
Boot one or more the [vmware image](https://coreos.com/docs/running-coreos/platforms/vmware) using `node.iso` as a config drive.
<!-- BEGIN MUNGE: GENERATED_ANALYTICS -->
[![Analytics](https://kubernetes-site.appspot.com/UA-36037335-10/GitHub/docs/getting-started-guides/coreos/coreos_multinode_cluster.md?pixel)]()
<!-- END MUNGE: GENERATED_ANALYTICS -->
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