8000 [enh] Support for ephemeral volumes · Issue #153 · portworx/pxc · GitHub
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[enh] Support for ephemeral volumes #153

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lpabon opened this issue Jul 15, 2020 · 0 comments
Open

[enh] Support for ephemeral volu 8000 mes #153

lpabon opened this issue Jul 15, 2020 · 0 comments
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enhancement New feature or request

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@lpabon
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lpabon commented Jul 15, 2020

Describe the solution you'd like
Ephemeral volumes are supported in Portworx 2.6+ and in Kubernetes since 1.16+ ( see blog

Kubernetes has no way to track these volumes, but pxc can track them.

There are two main areas that they could show up:

  1. When kubectl pxc volume list is shown, the Pod column should show the pod using it (currently it is empty) and there could also be an Ephemeral (True/False) column. This extra column on could be on -o wide.
  2. There could be a kubectl pxc ephemeral-volume list which shows only ephemeral volume information and columns (or kubectl pxc volume list --ephemeral=true|false|only

Information which Pod is using the ephemeral volume is available in the lables:

$ kubectl pxc volume list -o json
[
  {
    "id": "1006941389174831369",
    "source": {},
    "locator": {
      "name": "csi-e8fc5085a63465c05b68a07a2f73b1131e66dde1d9b0e7d35e044757f972ede7",
      "volume_labels": {
        "csi.storage.k8s.io/ephemeral": "true",
        "csi.storage.k8s.io/pod.name": "nginx-ephemeral-5b7d49b8ff-xgh7b",
        "csi.storage.k8s.io/pod.namespace": "tenantone",
        "csi.storage.k8s.io/pod.uid": "4a5eaaef-6044-4e99-a7f2-dbe4df5e0fae",
        "csi.storage.k8s.io/serviceAccount.name": "default"
      }
    },
...

Sample volume list with an ephemeral volume

$ kk pxc volume list
Name                                                                  Size     HA  Shared  Status  State                                Pods
----                                                                  ----     --  ------  ------  -----                                ----
csi-e8fc5085a63465c05b68a07a2f73b1131e66dde1d9b0e7d35e044757f972ede7  2.0 GiB  1   false   UP      on ip-70-0-98-13.brbnca.spcsdns.net
@lpabon lpabon added the enhancement New feature or request label Jul 15, 2020
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