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Bug 1946459

Summary:	In bare metal IPv6 environment, [sig-storage] [Driver: nfs] tests are failing in CI.
Product:	OpenShift Container Platform	Reporter:	Arda Guclu <aguclu>
Component:	Storage	Assignee:	melbeher
Storage sub component:	Kubernetes	QA Contact:	Chao Yang <chaoyang>
Status:	CLOSED ERRATA	Docs Contact:
Severity:	medium
Priority:	unspecified	CC:	aos-bugs, jsafrane, melbeher
Version:	4.8
Target Milestone:	---
Target Release:	4.8.0
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-07-27 22:57:48 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Arda Guclu 2021-04-06 07:55:03 UTC

Description of problem:

In bare metal IPv6 environment, [sig-storage] [Driver: nfs] tests are failing in CI.

Version-Release number of selected component (if applicable):

4.7 and 4.8

How reproducible:

Steps to Reproduce:
1. Run bare metal installer in IPv6 configuration.
2. Run [sig-storage] [Driver: nfs] tests

Actual results:

6761f679a6c3" : mount failed: exit status 32
Mounting command: mount
Mounting arguments: -t nfs -o vers=4.1 fd01:0:0:5::364:/export/pvc-abe612b0-5f7d-4041-8a1b-6761f679a6c3 /var/lib/kubelet/pods/bd275294-5541-4b61-99bb-6413e001377f/volumes/kubernetes.io~nfs/pvc-abe612b0-5f7d-4041-8a1b-6761f679a6c3
Output: mount.nfs: Failed to resolve server fd01: Name or service not known

Expected results:

Test passes.

Master Log:

Example prow job;
https://prow.ci.openshift.org/view/gs/origin-ci-test/pr-logs/pull/openshift_release/16110/rehearse-16110-pull-ci-openshift-baremetal-operator-release-4.8-e2e-metal-ipi-ovn-ipv6-parallel/1363743885511102464

Comment 1 melbeher 2021-04-13 12:47:30 UTC

Fix has been created here https://github.com/kubernetes/kubernetes/pull/101067

Comment 2 melbeher 2021-05-12 16:42:12 UTC

Backport here https://github.com/openshift/kubernetes/pull/743

Comment 8 Chao Yang 2021-05-19 08:20:47 UTC

passed: (1m33s) 2021-05-19T08:16:54 "[sig-storage] In-tree Volumes [Driver: nfs] [Testpattern: Dynamic PV (default fs)] subPath should support readOnly file specified in the volumeMount [LinuxOnly] [Suite:openshift/conformance/parallel] [Suite:k8s]"

passed: (1m43s) 2021-05-19T08:16:54 "[sig-storage] In-tree Volumes [Driver: nfs] [Testpattern: Dynamic PV (default fs)] subPath should support existing directories when readOnly specified in the volumeSource [Suite:openshift/conformance/parallel] [Suite:k8s]"

passed: (1m38s) 2021-05-19T08:16:54 "[sig-storage] In-tree Volumes [Driver: nfs] [Testpattern: Dynamic PV (default fs)] subPath should support non-existent path [Suite:openshift/conformance/parallel] [Suite:k8s]"

passed: (1m36s) 2021-05-19T08:16:55 "[sig-storage] In-tree Volumes [Driver: nfs] [Testpattern: Dynamic PV (default fs)] subPath should support existing directory [Suite:openshift/conformance/parallel] [Suite:k8s]"

passed: (1m43s) 2021-05-19T08:16:59 "[sig-storage] In-tree Volumes [Driver: nfs] [Testpattern: Dynamic PV (filesystem volmode)] volumeMode should not mount / map unused volumes in a pod [LinuxOnly] [Suite:openshift/conformance/parallel] [Suite:k8s]"

passed: (1m50s) 2021-05-19T08:17:06 "[sig-storage] In-tree Volumes [Driver: nfs] [Testpattern: Inline-volume (default fs)] volumes should allow exec of files on the volume [Suite:openshift/conformance/parallel] [Suite:k8s]"

Comment 11 errata-xmlrpc 2021-07-27 22:57:48 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (Moderate: OpenShift Container Platform 4.8.2 bug fix and security update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHSA-2021:2438