Minikube is a tool for easily creating Kubernetes clusters locally.
It boasts features like supporting multiple container runtimes and even Load Balancers so you can easily test your deployments/services locally.
Minikube lets you deploy your node as a VM, container or even bare metal. The default driver is VirtualBox, however KVM/QEMU usually performs better on Linux machines.
I assume that you'll be using Docker as your CRI. On Arch Linux, you'll need to get the following packages using Pacman:
🐺 ~ ⚡ ➜ sudo pacman -S minikube libvirt qemu dnsmasq ebtables dmidecode
You then need to add your user to the libvirt group and start the service:
🐺 ~ ⚡ ➜ sudo usermod -aG libvirt $(whoami)
🐺 ~ ⚡ ➜ sudo systemctl start libvirtd.service
🐺 ~ ⚡ ➜ sudo systemctl enable libvirtd.service
The libvirtd service may fail due to certain missing binaries, be sure to check the status and resolve any issues you may have.
🐺 ~ ⚡ ➜ sudo systemctl status libvirtd.service
You can then run the validation tool:
🐺 ~ ⚡ ➜ virt-host-validate
QEMU: Checking for hardware virtualization : PASS
QEMU: Checking if device /dev/kvm exists : PASS
QEMU: Checking if device /dev/kvm is accessible : PASS
QEMU: Checking if device /dev/vhost-net exists : PASS
QEMU: Checking if device /dev/net/tun exists : PASS
QEMU: Checking for cgroup 'cpu' controller support : PASS
QEMU: Checking for cgroup 'cpuacct' controller support : PASS
QEMU: Checking for cgroup 'cpuset' controller support : PASS
QEMU: Checking for cgroup 'memory' controller support : PASS
QEMU: Checking for cgroup 'devices' controller support : PASS
QEMU: Checking for cgroup 'blkio' controller support : PASS
QEMU: Checking for device assignment IOMMU support : PASS
QEMU: Checking if IOMMU is enabled by kernel : PASS
QEMU: Checking for secure guest support : WARN (AMD Secure Encrypted Virtualization appears to be disabled in kernel. Add kvm_amd.sev=1 to the kernel cmdline arguments)
LXC: Checking for Linux >= 2.6.26 : PASS
LXC: Checking for namespace ipc : PASS
LXC: Checking for namespace mnt : PASS
LXC: Checking for namespace pid : PASS
LXC: Checking for namespace uts : PASS
LXC: Checking for namespace net : PASS
LXC: Checking for namespace user : PASS
LXC: Checking for cgroup 'cpu' controller support : PASS
LXC: Checking for cgroup 'cpuacct' controller support : PASS
LXC: Checking for cgroup 'cpuset' controller support : PASS
LXC: Checking for cgroup 'memory' controller support : PASS
LXC: Checking for cgroup 'devices' controller support : PASS
LXC: Checking for cgroup 'freezer' controller support : PASS
LXC: Checking for cgroup 'blkio' controller support : PASS
LXC: Checking if device /sys/fs/fuse/connections exists : PASS
Change the Minikube driver to kvm2:
🐺 ~ ⚡ ➜ minikube config set driver kvm2
It's nice to create a seperate kubeconfig file for Minikube to use for the cluster:
🐺 ~ ⚡ ➜ touch config && export KUBECONFIG=$(pwd)/config
Finally, run minikube:
🐺 ~/repos ➜ minikube start
😄 minikube v1.12.2 on Arch
▪ KUBECONFIG=/home/lemagicien/repos/config
✨ Using the kvm2 driver based on user configuration
👍 Starting control plane node minikube in cluster minikube
🔥 Creating kvm2 VM (CPUs=2, Memory=4000MB, Disk=20000MB) ...
🐳 Preparing Kubernetes v1.18.3 on Docker 19.03.12 ...
🔎 Verifying Kubernetes components...
🌟 Enabled addons: default-storageclass, storage-provisioner
🏄 Done! kubectl is now configured to use "minikube"
Your kubectl should now be talking to the minikube cluster! If you run into any issues, you can check Minikube Docs and ArchWiki.
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