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Sheng Yang 1489feee7b Update version to v1.1.0 
Signed-off-by: Sheng Yang <sheng.yang@rancher.com>
2020-12-17 18:09:01 -08:00
..
templates chart: Remove the annotation which causes CRDs not removed during uninstallation 2020-12-11 08:42:04 -08:00
.helmignore chart: added longhorn v0.4.1 chart 2019-05-08 18:15:34 -07:00
app-readme.md chart: Add downgrade warning and highlight namespace requirement 2020-06-04 11:52:18 -07:00
Chart.yaml Update version to v1.1.0 2020-12-17 18:09:01 -08:00
questions.yml Update version to v1.1.0 2020-12-17 18:09:01 -08:00
README.md Chart: Add share manager info 2020-12-14 23:20:18 -08:00
values.yaml Update version to v1.1.0 2020-12-17 18:09:01 -08:00

README.md

Longhorn Chart

Important

: Please install the Longhorn chart in the longhorn-system namespace only.

Warning

: Longhorn doesn't support downgrading from a higher version to a lower version.

Source Code

Longhorn is 100% open source software. Project source code is spread across a number of repos:

  1. Longhorn Engine -- Core controller/replica logic https://github.com/longhorn/longhorn-engine
  2. Longhorn Instance Manager -- Controller/replica instance lifecycle management https://github.com/longhorn/longhorn-instance-manager
  3. Longhorn Share Manager -- NFS provisioner that exposes Longhorn volumes as ReadWriteMany volumes. https://github.com/longhorn/longhorn-share-manager
  4. Longhorn Manager -- Longhorn orchestration, includes CSI driver for Kubernetes https://github.com/longhorn/longhorn-manager
  5. Longhorn UI -- Dashboard https://github.com/longhorn/longhorn-ui

Prerequisites

  1. Docker v1.13+
  2. Kubernetes v1.16+
  3. Make sure curl, findmnt, grep, awk and blkid has been installed in all nodes of the Kubernetes cluster.
  4. Make sure open-iscsi has been installed in all nodes of the Kubernetes cluster. For GKE, recommended Ubuntu as guest OS image since it contains open-iscsi already.

Installation

  1. Add Longhorn chart repository.
helm repo add longhorn https://charts.longhorn.io
  1. Update local Longhorn chart information from chart repository.
helm repo update
  1. Install Longhorn chart.
  • With Helm 2, the following command will create the longhorn-system namespace and install the Longhorn chart together.
helm install longhorn/longhorn --name longhorn --namespace longhorn-system
  • With Helm 3, the following commands will create the longhorn-system namespace first, then install the Longhorn chart.
kubectl create namespace longhorn-system
helm install longhorn longhorn/longhorn --namespace longhorn-system

Uninstallation

With Helm 2 to uninstall Longhorn.

helm delete longhorn --purge

With Helm 3 to uninstall Longhorn.

helm uninstall longhorn -n longhorn-system
kubectl delete namespace longhorn-system

Please see link for more information.