From 93ad4d03b9d87d6177514de27bb94d9230da82e6 Mon Sep 17 00:00:00 2001 From: Gabriel Arakaki Giovanini Date: Tue, 21 Jun 2022 21:39:04 +0200 Subject: ref: Move from orgmode to markdown I'll never ever again move away from markdown. fix: Move to http ... until I add a certificate --- content/posts/2021-12-26-nfs-k3s.md | 62 +++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 content/posts/2021-12-26-nfs-k3s.md (limited to 'content/posts/2021-12-26-nfs-k3s.md') diff --git a/content/posts/2021-12-26-nfs-k3s.md b/content/posts/2021-12-26-nfs-k3s.md new file mode 100644 index 0000000..e9988c7 --- /dev/null +++ b/content/posts/2021-12-26-nfs-k3s.md @@ -0,0 +1,62 @@ +--- +title: "Enable NFS on K3S" +date: 2021-12-26 +tags: ['kubernetes', 'linux', 'helm', 'k3s'] +--- + +By default [K3S](https://k3s.io/) comes only with +[local-path](https://github.com/rancher/local-path-provisioner) storage +class, and if you are running with more than one node in your cluster +you may want to use a more \"distributed\" solution. For may case I +opted for NFS. + +To check the current storage class you can run: + +``` bash +k3s kubectl get storageclasses +``` + +And it will print something like: + + NAME PROVISIONER RECLAIMPOLICY VOLUMEBINDINGMODE ALLOWVOLUMEEXPANSION AGE + local-path (default) rancher.io/local-path Delete WaitForFirstConsumer false 154d + +To start adding First you need to install +[helm](https://github.com/helm/helm) on your server. To do so you may +run: + +``` bash +curl -sSL https://raw.githubusercontent.com/helm/helm/master/scripts/get-helm-3 | bash +``` + +**Be careful when running scripts directly into bash always check the +source** **Sometimes is also recommended to do not pipe directly to +bash** + +Once it is installed we need to add the [NFS storage +classes](https://kubernetes.io/docs/concepts/storage/storage-classes/#nfs). +It has two providers, I have chose [NFS Subdir External +Provisioner](https://github.com/kubernetes-sigs/nfs-subdir-external-provisioner). + +Add the helm repo + +``` bash +helm repo add nfs-subdir-external-provisioner https://kubernetes-sigs.github.io/nfs-subdir-external-provisioner/ +``` + +Then we need to actually install the provider + +``` bash +helm install nfs-subdir-external-provisioner nfs-subdir-external-provisioner/nfs-subdir-external-provisioner \ + --set nfs.server=x.x.x.x \ + --set nfs.path=/exported/path +``` + +Set the `nfs.server` and `nfs.path` accordingly with your setup. + +After that if we run `k3s kubectl get storageclasses` it will now print +another NFS provider: + + NAME PROVISIONER RECLAIMPOLICY VOLUMEBINDINGMODE ALLOWVOLUMEEXPANSION AGE + local-path (default) rancher.io/local-path Delete WaitForFirstConsumer false 154d + nfs-client cluster.local/nfs-subdir-external-provisioner Delete Immediate true 76m -- cgit v1.2.3