mirror of
https://github.com/edgelesssys/constellation.git
synced 2024-12-28 08:59:34 -05:00
36 lines
1.4 KiB
Markdown
36 lines
1.4 KiB
Markdown
|
# Upgrade your cluster
|
||
|
|
||
|
Constellation provides an easy way to upgrade to the next release.
|
||
|
This involves choosing a new VM image to use for all nodes in the cluster and updating the cluster's expected measurements.
|
||
|
|
||
|
## Plan the upgrade
|
||
|
|
||
|
If you don't already know the image you want to upgrade to, use the `upgrade plan` command to pull a list of available updates.
|
||
|
|
||
|
```bash
|
||
|
constellation upgrade plan
|
||
|
```
|
||
|
|
||
|
The command lets you interactively choose from a list of available updates and prepares your Constellation config file for the next step.
|
||
|
|
||
|
To use the command in scripts, use the `--file` flag to compile the available options into a YAML file.
|
||
|
You can then set the chosen upgrade option in your Constellation config file.
|
||
|
|
||
|
:::caution
|
||
|
|
||
|
`constellation upgrade plan` only works for official Edgeless release images.
|
||
|
If your cluster is using a custom image, the Constellation CLI will fail to find compatible images.
|
||
|
However, you may still use the `upgrade execute` command by manually selecting a compatible image and setting it in your config file.
|
||
|
|
||
|
:::
|
||
|
|
||
|
## Execute the upgrade
|
||
|
|
||
|
Once your config file has been prepared with the new image and measurements, use the `upgrade execute` command to initiate the upgrade.
|
||
|
|
||
|
```bash
|
||
|
constellation upgrade execute
|
||
|
```
|
||
|
|
||
|
After the command has finished, the cluster will automatically replace old nodes using a rolling update strategy to ensure no downtime of the control or data plane.
|