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[Feature] Improvements to the additionalVolumes section and documentation
What feature/behavior/change do you want?
I would like an option in the additionalVolumes section that allows for the directory to be named and mounted automatically. Something like this,
apiVersion: eksctl.io/v1alpha5
kind: ClusterConfig
metadata:
name: dev-cluster
region: eu-north-1
managedNodeGroups:
- name: ng-1-workers
labels: { role: workers }
instanceType: m5.xlarge
desiredCapacity: 10
volumeSize: 80
additionalVolumes:
- volumeName: '/tmp/mount-1' # required
volumeSize: 80
volumeType: 'gp3'
volumeEncrypted: true
volumeKmsKeyID: 'id'
volumeIOPS: 3000
volumeThroughput: 125
directoryPath: /data
- volumeName: '/tmp/mount-2' # required
volumeSize: 80
volumeType: 'gp2'
snapshotID: 'snapshot-id'
directoryPath: /tmp/scratch
If the above is not viable to implement, then I believe a summary of the solution provide here would be beneficial to users reading the additionalVolumes documentation.
I also think more clarification regarding volumeName would be helpful. Perhaps a link to this documentation regarding device naming with the text, "For details about selecting volumeNames, see the device naming documentation."
Why do you want this feature?
When using the additionalVolumes section I was able to successfully add another EBS volume, but it did not start mounted. I also did not initially understand what the volumeName section was until I reviewed the CloudFormation template. The above requests are intended to improve the user experience when using the additionalVolumes option.
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Hi, we welcome community PRs if that is something you are interested in! :)
Would you like to open a PR to improve the docs around volumeName
?
I'm not sure how/where we would set the directoryPath
(perhaps in a similar way as the preBoostrapCommands like you said?) so that needs a bit of investigation.
We will first do a spike to Investigate this feature, what's involved from our side to support this setting We'll document the findings here on this ticket
Timebox: 1-2 days
At this point, we will not be adding the suggested directoryPath
option.
I have opened up a PR to update the docs with more information.