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Bug 1703117 - RHEL 7 to 8 fails with squid installed because dirs changed to symlinks
Summary: RHEL 7 to 8 fails with squid installed because dirs changed to symlinks
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 8
Classification: Red Hat
Component: squid
Version: 8.1
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: rc
: 8.0
Assignee: Luboš Uhliarik
QA Contact: Maryna Nalbandian
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2019-04-25 14:42 UTC by Michal Bocek
Modified: 2020-12-14 13:12 UTC (History)
4 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
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Clone Of:
Environment:
Last Closed: 2019-11-05 21:21:56 UTC
Type: Bug
Target Upstream Version:
Embargoed:

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Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2019:3476 0 None None None 2019-11-05 21:22:02 UTC

Description Michal Bocek 2019-04-25 14:42:39 UTC 
Description of problem:
When performing upgrade of RHEL 7.6 to RHEL 8.0 using Leapp utility, upgrade fails when trying to calculate the rpm upgrade transaction:

Error: Transaction check error:
  file /usr/share/squid/errors/zh-cn from install of squid-7:4.4-4.module+el8+2479+dae5d0d3.x86_64 conflicts with file from package squid-7:3.5.20-12.el7.x86_64
  file /usr/share/squid/errors/zh-tw from install of squid-7:4.4-4.module+el8+2479+dae5d0d3.x86_64 conflicts with file from package squid-7:3.5.20-12.el7.x86_64

The issue - RHEL 7 squid directories mentioned in the error above changed to symlinks in the RHEL 8 version. This situation is supposed to be handled by %pretrans scriptlet in the RHEL 8 squid SPEC file. More on that in the Fedora packaging guidelines: https://fedoraproject.org/wiki/Packaging:Directory_Replacement#Replacing_a_symlink_with_a_directory_or_a_directory_with_any_type_of_file.

Version-Release number of selected component (if applicable):
squid-7:3.5.20-12.el7.x86_64
squid-7:4.4-4.module+el8+2479+dae5d0d3.x86_64

How reproducible:
Everytime when doing upgrade of RHEL 7 with squid to RHEL 8 using Leapp.

Steps to Reproduce:
1. Install squid and leapp on RHEL 7.6
2. Run leapp
3. Observe the failure

Actual results:
RPM transaction fails causing the whole system upgrade to fail.


Expected results:
Yum4 does not throw a file conflict error when checking transaction for upgrading RHEL 7.6 squid version to RHEL *8.1* squid version.
It can be achieved by updating the spec file per the packaging guidelines I've linked above.
For upgrades to RHEL *8.0* we will most probably put squid on a "blacklist" in Leapp so it is removed before the upgrade by the Leapp utility. Unless you decide to fix this also for RHEL 8.0.

Additional info:
Comment 17 errata-xmlrpc 2019-11-05 21:21:56 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, 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-2019:3476
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