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Bug 2134630 - backport support for embedded container whiteouts
Summary: backport support for embedded container whiteouts
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 8
Classification: Red Hat
Component: rpm-ostree
Version: 8.7
Hardware: Unspecified
OS: Unspecified
urgent
unspecified
Target Milestone: rc
: ---
Assignee: Colin Walters
QA Contact: HuijingHei
URL:
Whiteboard:
Depends On:
Blocks: 2137905
TreeView+ depends on / blocked
 
Reported: 2022-10-13 19:48 UTC by Colin Walters
Modified: 2023-05-16 09:15 UTC (History)
6 users (show)

Fixed In Version: rpm-ostree-2022.10.99.g0049dbdd-3.el8
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
: 2137905 (view as bug list)
Environment:
Last Closed: 2023-05-16 08:24:00 UTC
Type: Bug
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Issue Tracker RHELPLAN-136439 0 None None None 2022-10-13 19:53:46 UTC
Red Hat Product Errata RHBA-2023:2759 0 None None None 2023-05-16 08:24:15 UTC

Description Colin Walters 2022-10-13 19:48:26 UTC 
Backport https://github.com/coreos/rpm-ostree/pull/4088
Comment 1 HuijingHei 2022-10-19 13:33:09 UTC 
Upgrade rpm-ostree and ostree, do the following tests, run `rpm-ostree compose commit` with character device with 0/0 device number works. Any review and suggestions are appreciated, thanks!

1) Upgrade ostree and rpm-ostree, run `whiteout.sh` to prepare data
[core@cosa-devsh ~]$ rpm -q ostree rpm-ostree
ostree-2022.2-6.el8.x86_64
rpm-ostree-2022.10.99.g0049dbdd-3.el8.x86_64

$ cat whiteout.sh

#!/bin/bash
mkdir test
pushd test
sudo rm -rf mkdir cache sysroot
cat > manifest.yaml << 'EOF'
ref: foo
boot-location: modules
releasever: 36
packages:
  - bash
  - rpm
  - coreutils
  - selinux-policy-targeted
  - kernel
  - ostree
repos:
  - fedora  # Intentially using frozen GA repo
EOF

cat > fedora.repo << 'EOF'
[fedora]
name=Fedora $releasever - $basearch
baseurl=https://dl.fedoraproject.org/pub/fedora/linux/releases/$releasever/Everything/$basearch/os/
        https://dl.fedoraproject.org/pub/fedora-secondary/releases/$releasever/Everything/$basearch/os/
enabled=1
repo_gpgcheck=0
type=rpm
gpgcheck=0
skip_if_unavailable=False
EOF

mkdir cache sysroot
ostree --repo=build-repo init --mode=archive

sudo rpm-ostree compose install --unified-core --cachedir=cache --repo=build-repo manifest.yaml ./sysroot

sudo mknod -m 000 sysroot/rootfs/usr/share/foowhiteout c 0 0
sudo touch sysroot/rootfs/usr/share/rpm-ostree-composetest-split.txt
sudo rpm-ostree compose postprocess ./sysroot/rootfs manifest.yaml

$ sh -x whiteout.sh
......
+ sudo rpm-ostree compose postprocess ./sysroot/rootfs manifest.yaml
Processed 1 embedded whiteouts

3) Run `rpm-ostree compose commit` and check
[core@cosa-devsh test]$ sudo rpm-ostree compose commit --repo=build-repo manifest.yaml ./sysroot/rootfs

[core@cosa-devsh test]$ ostree --repo=build-repo ls foo /usr/bin/bash
-00755 0 0 1390064 /usr/bin/bash
[core@cosa-devsh test]$ ostree --repo=build-repo ls foo /usr/share/rpm-ostree-composetest-split.txt
-00644 0 0      0 /usr/share/rpm-ostree-composetest-split.txt
[core@cosa-devsh test]$ ostree --repo=build-repo ls foo /usr/share/.ostree-wh.foowhiteout
-00000 0 0      0 /usr/share/.ostree-wh.foowhiteout
Comment 2 HuijingHei 2022-10-21 13:31:22 UTC 
Set status to Verified: Tested according to comment 1
Comment 8 HuijingHei 2022-10-28 07:57:28 UTC 
Verify passed with rpm-ostree-2022.10.99.g0049dbdd-3.el8.x86_64 on RHCOS 412.86.202210280001-0
Comment 10 errata-xmlrpc 2023-05-16 08:24:00 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 (rpm-ostree bug fix and enhancement 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/RHBA-2023:2759
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