feat(backingimage): add backing image ha, eviction and selector testing

[ChanYiLin]

ref: https://github.com/longhorn/longhorn/issues/2856

Add e2e tests for backing image enhancement

• HA
• selector
• eviction

[ChanYiLin]

This PR depends on the longhorn-manager PR: https://github.com/longhorn/longhorn-manager/pull/2742

[mergify[bot]]

This pull request is now in conflict. Could you fix it @ChanYiLin? 🙏

[ChanYiLin]

This pull request is now in conflict. Could you fix it @ChanYiLin? 🙏

Fixed.

[mergify[bot]]

This pull request is now in conflict. Could you fix it @ChanYiLin? 🙏

[ChanYiLin]

Hi @khushboo-rancher @shuo-wu @derekbit the feature has been merged, we can review and merge the tests thanks

[ChanYiLin]

Hi @chriscchien I have added the test of passing the nodeSelector and diskSelector through csi volumesnapshot And since we already test the scheduling in backing image e2e tests. We can simply check if the spec.nodeSelector and spec.diskSelector have the values then pass the csi test.

[mergify[bot]]

This pull request is now in conflict. Could you fix it @ChanYiLin? 🙏

[ChanYiLin]

Waiting for testing

• -vvs test_backing_image.py: https://ci.longhorn.io/job/private/job/longhorn-tests-regression/7188/console
  • all passed
• ~~-vvs test_csi_snapshotter.py: https://ci.longhorn.io/job/private/job/longhorn-tests-regression/7189/console~~
• ~~ -vvs test_csi_snapshotter.py: https://ci.longhorn.io/job/private/job/longhorn-tests-regression/7190/console~~
• -vvs test_csi_snapshotter.py: https://ci.longhorn.io/job/private/job/longhorn-tests-regression/7201/console
  • all passed, just our testing framework crashed

[derekbit]

Need to fix codespell and flake8 errors