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'podman pod ps' fails with 'no such pod' #14736

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ydayagi opened this issue Jun 27, 2022 · 2 comments · Fixed by #14741
Closed

'podman pod ps' fails with 'no such pod' #14736

ydayagi opened this issue Jun 27, 2022 · 2 comments · Fixed by #14741
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@ydayagi
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ydayagi commented Jun 27, 2022

/kind bug
Description
listing pods while pods are deleted causes 'pod ps' to fail with exit code 125 and message 'no such pod'
This is much like #12034. However, it seems that in the other bug there was a focus on the deletion and not the 'pod ps' command.

Steps to reproduce the issue:

  1. create 10 pods

  2. delete 10 pods

  3. during deletion do 'podman pod ps'

Describe the results you received:
[ydayagi@fedora ~]$ sudo podman pod ps
Error: pod ea52fce12a3ce0c345aec62737c6e7819c2ced233cf822434706eca4db81c5c9 not found in database: no such pod

Describe the results you expected:
[ydayagi@fedora ~]$ sudo podman pod ps
POD ID NAME STATUS CREATED INFRA ID # OF CONTAINERS

Additional information you deem important (e.g. issue happens only occasionally):

Output of podman version:

[ydayagi@fedora ~]$ podman version
Version:      3.4.0
API Version:  3.4.0
Go Version:   go1.16.8
Built:        Thu Sep 30 22:32:16 2021
OS/Arch:      linux/amd64

Output of podman info --debug:

(paste your output here)

Package info (e.g. output of rpm -q podman or apt list podman):

podman-3.4.0-1.fc35.x86_64

Have you tested with the latest version of Podman and have you checked the Podman Troubleshooting Guide? (https://github.com/containers/podman/blob/main/troubleshooting.md)

Checked troubleshooting. Did not test latest version.

Additional environment details (AWS, VirtualBox, physical, etc.):
VM with fedora 35
@openshift-ci openshift-ci bot added the kind/bug Categorizes issue or PR as related to a bug. label Jun 27, 2022
@giuseppe
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we have to ignore define.ErrNoSuchPod.

I'll work on a PR

@giuseppe giuseppe mentioned this issue Jun 27, 2022
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@giuseppe
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PR: #14741

giuseppe added a commit to giuseppe/libpod that referenced this issue Jun 28, 2022
@giuseppe
pod: ps does not race with rm
0e03a64 
the "pod ps" command first retrieves the list of all pods, then
iterates over the list to inspect each pod.  This introduce a race
since a pod could be deleted in the meanwhile by another process.

Solve it by ignoring the define.ErrNoSuchPod error.

Closes: containers#14736

Signed-off-by: Giuseppe Scrivano <[email protected]>
@github-actions github-actions bot added the locked - please file new issue/PR Assist humans wanting to comment on an old issue or PR with locked comments. label Sep 20, 2023
@github-actions github-actions bot locked as resolved and limited conversation to collaborators Sep 20, 2023
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pod: ps does not race with rm giuseppe/libpod
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@giuseppe @ydayagi