Kubernetes cluster deployment with a single control plane node and an arbitrary number of nodes, using Vagrant (VirtualBox provider, Ansible provisioner).
The default configuration will build a 4 node cluster --- a master and 3 workers:
$ kubectl get nodes
NAME STATUS ROLES AGE VERSION
master Ready master 176m v1.17.0
node01 Ready <none> 115m v1.17.0
node02 Ready <none> 79m v1.17.0
node03 Ready <none> 74m v1.17.0
You will need the following installed:
- VirtualBox
- Vagrant
- kubectl (Optional)
- Git (Optional)
- Download the zip file or
git clonethis repository:
git clone https://github.com/craigforr/vagrant-kubernetes.git- Change into the project directory and run Vagrant:
cd vagrant-kubernetes
vagrant up- Once the cluster is built, you can either run kubectl against the master from your local system or SSH into the master, as follows:
vagrant ssh- When you're done using the cluster, you can either stop the nodes or destroy the cluster:
- Power down all the nodes:
$ vagrant halt
==> node03: Attempting graceful shutdown of VM...
==> node02: Attempting graceful shutdown of VM...
==> node01: Attempting graceful shutdown of VM...
==> master: Attempting graceful shutdown of VM...
- Delete all the nodes:
$ vagrant destroy
# vagrant destroy --force
==> node03: Destroying VM and associated drives...
==> node02: Destroying VM and associated drives...
==> node01: Destroying VM and associated drives...
==> master: Destroying VM and associated drives...
==> master: Running action triggers after destroy ...
==> master: Running trigger: Remove join_command.sh...
master: Running local: Inline script
master: rm -v playbooks/join_command.sh
master: VERBOSE: Performing the operation "Remove File" on target
master: "/home/user/vagrant-kubernetes/playbooks/join_command.sh".
To see the status of the cluster nodes at any time, use vagrant status:
$ vagrant status
Current machine states:
master poweroff (virtualbox)
node01 poweroff (virtualbox)
node02 poweroff (virtualbox)
node03 poweroff (virtualbox)
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