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Add support for play/generate kube PersistentVolumeClaims and Podman volumes #9935

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EduardoVega
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Signed-off-by: Eduardo Vega edvegavalerio@gmail.com

This PR provides the ability to support Kubernetes PersistentVolumeClaims for podman play or generate kube. A k8s PersistentVolumeClaim represents a Podman volume, only the PVC name is required to create the volume. Podman volume options can be set using PVC annotations.

This is based on this PR #8266 and related to this Issue #5788.

@TomSweeneyRedHat
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@EduardoVega looks like you've some trailing space issues.
Otherwise this LGTM

@EduardoVega EduardoVega force-pushed the 5788-kube-volume branch 5 times, most recently from 6e14a90 to 854679d Compare April 6, 2021 20:12
@rhatdan
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rhatdan commented Apr 7, 2021

/approve
@umohnani8 @haircommander PTAL

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: EduardoVega, rhatdan

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@openshift-ci-robot openshift-ci-robot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label Apr 7, 2021
// attributes, so they can be configured using annotations since they will not affect k8s.
for k, v := range pvcYAML.GetAnnotations() {
switch k {
case "podman.volume/driver":
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2 questions for consideration:

  • should these be kept as constants anywhere?
  • often, these special annotations follow the format of a url: io.podman.volume does it make sense to apply that here?

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  1. Let me change that.
  2. You're correct. The url format does not provide any special functionality but it is better to stick to the k8s syntax. What about something like this volume.podman.io/driver based on node.kubernetes.io/instance-type?

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This has been changed.

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A couple of questions but none of them blocking. This looks great @EduardoVega, I especially like the idea about using annotations to get special podman options

Signed-off-by: Eduardo Vega <edvegavalerio@gmail.com>
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rhatdan commented Apr 12, 2021

/lgtm

@openshift-ci-robot openshift-ci-robot added the lgtm Indicates that a PR is ready to be merged. label Apr 12, 2021
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rhatdan commented Apr 12, 2021

Thanks @EduardoVega

@openshift-merge-robot openshift-merge-robot merged commit 9d3e310 into containers:master Apr 12, 2021
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6 participants