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DFBUGS-915: Prevent dataloss due to the concurrent RPC calls (occurrence is very low) #430

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@yati1998 yati1998 commented Dec 6, 2024

This PR includes series for commits for the following actions

Introduce in memory lock for NodePublish and UnPublish (we should not be dependent on the CO and make assumption that CO makes the calls serial for the same volID and the targetPath)
Use os.Remove instead of os.Removeall to remove the empty directory, os.Removeall ends up removing everything in the path

We should not be dependent on the CO to ensure
that it will serialize the request instead of
that we need to have own internal locks to ensure
that we dont do concurrent operations for same
request.

Signed-off-by: Madhu Rajanna <[email protected]>
(cherry picked from commit 38c0e64)
We should not be dependent on the CO to ensure
that it will serialize the request instead of
that we need to have own internal locks to ensure
that we dont do concurrent operations for same
request.

Signed-off-by: Madhu Rajanna <[email protected]>
(cherry picked from commit 38b0a4c)
using os.RemoveAll will remove everything
in the director after the Umount we should
be using os.Remove only to remove the empty
directory

Signed-off-by: Madhu Rajanna <[email protected]>
(cherry picked from commit ffa8eaf)
using os.RemoveAll will remove everything
in the director after the Umount we should
be using os.Remove only to remove the empty
directory

Signed-off-by: Madhu Rajanna <[email protected]>
(cherry picked from commit 39cc628)
@openshift-ci-robot openshift-ci-robot added jira/severity-critical Referenced Jira bug's severity is critical for the branch this PR is targeting. jira/valid-reference Indicates that this PR references a valid jira ticket of any type labels Dec 6, 2024
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openshift-ci-robot commented Dec 6, 2024

@yati1998: This pull request references [Jira Issue DFBUGS-915](https://issues.redhat.com//browse/DFBUGS-915), which is invalid:

  • expected the bug to target the "odf-4.13.z" version, but no target version was set

Comment /jira refresh to re-evaluate validity if changes to the Jira bug are made, or edit the title of this pull request to link to a different bug.

In response to this:

This PR includes series for commits for the following actions

Introduce in memory lock for NodePublish and UnPublish (we should not be dependent on the CO and make assumption that CO makes the calls serial for the same volID and the targetPath)
Use os.Remove instead of os.Removeall to remove the empty directory, os.Removeall ends up removing everything in the path

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository.

@openshift-ci-robot openshift-ci-robot added the jira/invalid-bug Indicates that the referenced jira bug is invalid for the branch this PR is targeting label Dec 6, 2024
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openshift-ci bot commented Dec 6, 2024

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: yati1998

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@openshift-ci openshift-ci bot added the approved Its a good idea label Dec 6, 2024
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3 participants