Difference between revisions of "Microk8s on LXD 2"
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| + | ``` | ||
| + | snap install microk8s --classic --channel=1.22/stable | ||
| + | microk8s enable dns helm ingress rbac registry storage | ||
| + | microk8s add-node | ||
| + | |||
| + | # NAS | ||
| + | lxc storage volume create default nas1zfs --type=block size=200GiB | ||
| + | lxc config device add nas1 nas1zfs disk pool=default source=nas1zfs | ||
| + | # lxc profile device add default root disk path=/ pool=default | ||
| + | curl -LO https://raw.githubusercontent.com/jeremybusk/nfs/main/nfs-k8s-localpath.sh && chmod +x nfs-k8s-localpath.sh | ||
| + | apt install -y uuid | ||
| + | uuid | ||
| + | ``` | ||
| + | |||
| + | |||
| + | |||
See https://microk8s.io/docs/high-availability | See https://microk8s.io/docs/high-availability | ||
| Line 11: | Line 27: | ||
$($joincmd) | $($joincmd) | ||
done | done | ||
| + | ``` | ||
| + | lxc shell kube1 | ||
| + | ``` | ||
| + | microk8s enable dns helm ingress rbac registry storage | ||
``` | ``` | ||
| Line 64: | Line 84: | ||
mount -a | mount -a | ||
microk8s stop && microk8s start | microk8s stop && microk8s start | ||
| + | ``` | ||
| + | |||
| + | |||
| + | https://github.com/rancher/local-path-provisioner | ||
| + | ``` | ||
| + | |||
``` | ``` | ||
Latest revision as of 19:54, 11 August 2021
snap install microk8s --classic --channel=1.22/stable microk8s enable dns helm ingress rbac registry storage microk8s add-node # NAS lxc storage volume create default nas1zfs --type=block size=200GiB lxc config device add nas1 nas1zfs disk pool=default source=nas1zfs # lxc profile device add default root disk path=/ pool=default curl -LO https://raw.githubusercontent.com/jeremybusk/nfs/main/nfs-k8s-localpath.sh && chmod +x nfs-k8s-localpath.sh apt install -y uuid uuid
See https://microk8s.io/docs/high-availability
for i in kub1 kube2 kube3; do lxc init ubuntu:20.04 $i --vm -c limits.cpu=4 -c limits.memory=8GB lxc config device override $i root size=32GB lxc start $i lxc exec $i -- snap install microk8s --classic lxc exec $i -- printf "alias kubectl='microk8s kubectl'\nalias k='microk8s kubectl'" >> /root/.bashrc joincmd=$(lxc exec kub1 -- microk8s add-node | sed -n '2p') $($joincmd) done
lxc shell kube1
microk8s enable dns helm ingress rbac registry storage
Using Kubectl instead of aliasing microk8s.kubectl
mkdir $HOME/.kube microk8s config > $HOME/.kube/config snap install kubectl --classic kubectl get nodes
openebs jiva
- https://docs.openebs.io/docs/next/prerequisites.html#ubuntu
- https://docs.openebs.io/docs/next/installation.html
systemctl enable --now iscsid
NFS as default storage
NFS Server
nfs server centos 8 with hostname nas in dns
sudo dnf install nfs-utils uuid systemctl enable --now nfs-server systemctl status nfs-server mkdir -p /kub/default-storage chmod 0777 /kub/default-storage mkdir -p /kub/standard-ebf8a3e6-89ba-11eb-9e15-00163e0308c0 chmod 0777 /kub/standard-ebf8a3e6-89ba-11eb-9e15-00163e0308c0
/etc/exports
/kub/default-storage *(rw,sync,no_subtree_check,insecure,no_root_squash) /kub/standard-ebf8a3e6-89ba-11eb-9e15-00163e0308c0 *(rw,sync,no_subtree_check,insecure,no_root_squash) # var/nfs 10.x.x.x/32(rw,sync,no_subtree_check,insecure) 10.x.x.x/32(rw,sync,no_subtree_check,insecure) 10.x.x.x/32(rw,sync,no_subtree_check,insecure) # /nas/share *(rw,sync,no_subtree_check,insecure)
NFS Clients on Each Kubernetes Node
Make default storage class (hostpath) an nfs hostpath
sudo apt install -y nfs-client mkdir /var/snap/microk8s/common/default-storage echo "nas:/kub/default-storage /var/snap/microk8s/common/default-storage nfs" >> /etc/fstab mount -a microk8s stop && microk8s start
https://github.com/rancher/local-path-provisioner
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