![]() ![]() Ubuntu_k3s: systemd: Creating service file /etc/systemd/system/k3s.service Ubuntu_k3s: env: Creating environment file /etc/systemd/system/ Ubuntu_k3s: Creating uninstall script /usr/local/bin/k3s-uninstall.sh Ubuntu_k3s: Creating killall script /usr/local/bin/k3s-killall.sh Ubuntu_k3s: Creating /usr/local/bin/ctr symlink to k3s Ubuntu_k3s: Creating /usr/local/bin/crictl symlink to k3s Ubuntu_k3s: Creating /usr/local/bin/kubectl symlink to k3s Ubuntu_k3s: Installing k3s to /usr/local/bin/k3s => ubuntu_k3s: available! You currently have version ‘20191218.0.0’. ![]() => ubuntu_k3s: A newer version of the box ‘ubuntu/bionic64’ for provider ‘virtualbox’ is => ubuntu_k3s: Checking if box ‘ubuntu/bionic64’ version ‘20191218.0.0’ is up to date… With the following output with regard to the version of ubuntu/bionic64 (of course related to the moment I wrote this article): After running this command, your computer should be left at a clean state, as if you never created the guest machine in the first place.įrom the subdirectory named env on my Windows laptop, again, I opened a Windows Command Prompt (cmd) and typed: vagrant up This command stops the running machine Vagrant is managing and destroys all resources that were created during the machine creation process. => ubuntu_k3s: Destroying VM and associated drives… Ubuntu_k3s: Are you sure you want to destroy the ‘ubuntu_k3s’ VM? y In order to stop the running machine and destroy its resources, I used the following command on the Windows Command Prompt: vagrant destroy So, I changed the content of Vagrantfile to: `config.vm.provision “my shell script”, type: “shell”, ….` If you don’t want them running twice, you can fix it by giving it a name like this: The bug itself is due to your provision block not having a name. I recently upgraded vagrant to version 2.2.6, so the problem could be related to that upgrade.Īfter some search on the Internet I found a solution, that worked for me: I noticed that the provisioning shell script was running multiple times! Provisioning shell script was running multiple times! With the following output (only showing the part about k3s): This command creates and configures guest machines according to your Vagrantfile. In the scripts directory I created a file k3s.sh with the following content: #!/bin/bashĬurl -sfL | INSTALL_K3S_VERSION=v1.0.1 sh -įrom the subdirectory named env on my Windows laptop, I opened a Windows Command Prompt (cmd) and typed: vagrant up In my existing demo environment, I changed the content of the Vagrantfile to:Ĭonfig.vm.define "ubuntu_k3s" do |ubuntu_k3s| Minimum recommendations are outlined here.īased on the k3s operating system requirements I used the Vagrant Box search page to search for an Ubuntu 18.04 Vagrant Box (for VirtualBox). Hardware requirements scale based on the size of your deployments. However, k3s is tested on the following operating systems and their subsequent non-major releases. K3s should run on just about any flavor of Linux. I had a look at the documentation and used the following command (using environment variable INSTALL_K3S_VERSION) in order to specify a particular version of K3s to download from github: curl -sfL | INSTALL_K3S_VERSION=v1.0.1 sh -īefore setting up my demo environment I had a look at the k3s requirements. K3s packages required dependencies, including:Īccording to the website, installing k3s won’t take long. ![]() ![]() External dependencies have been minimized (just a modern kernel and cgroup mounts needed).In-tree cloud providers and storage plugins have been removed.This allows K3s to automate and manage complex cluster operations like distributing certificates. Operation of all Kubernetes control plane components is encapsulated in a single binary and process.Simple but powerful “batteries-included” features have been added, such as: a local storage provider, a service load balancer, a Helm controller, and the Traefik ingress controller.External datastores such as PostgreSQL, MySQL, and etcd are also supported. An embedded SQLite database has replaced etcd as the default datastore.K3s is a fully compliant Kubernetes distribution with the following enhancements: Easy to install, half the memory, all in a binary less than 40mb. In this article, I will share with you the steps I took, to get k3s installed (with the Kubernetes Dashboard) on top of an Ubuntu guest Operating System within an Oracle VirtualBox appliance, with the help of Vagrant. This demo environment uses a Vagrantfile, scripts and Kubernetes manifest (yaml) files. In November of last year, my colleague Lucas Jellema, wrote an article with the title “Ultra fast, ultra small Kubernetes on Linux – K3S beating minikube”.įor training and demo purposes, on my Windows laptop, I already had an environment with a guest Operating System, Docker and Minikube available within an Oracle VirtualBox appliance. ![]()
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