Bug 1824101

Description of problem:

The upgrade of RHEL7 worker from 4.2 to 4.3 will be failed due to the changed dependencies of "podman-1.6.4-16.el7_8".
The previous version had not "conmon" dependency before, but the new one has been changed to depend on "conmon".
"conmon" will install "/usr/libexec/crio/conmon" which is included "cri-o", so if "conmon" package install before cri-o, then it will conflict with existing cri-o package.

Look the following each podman package dependency.  

// When podman-1.4.4-4.el7 package was installed, no dependencies are there.
============================================================================================================================================================================================
 Package                                Arch                                   Version                                      Repository                                                 Size
============================================================================================================================================================================================
Installing:
 podman                                 x86_64                                 1.4.4-4.el7                                  rhel-7-server-extras-rpms                                 9.3 M

Transaction Summary
============================================================================================================================================================================================
Install  1 Package

// When podman-1.6.4-16.el7_8 package was installed, multiple dependencies are there including "conmon-2:2.0.8-1.el7"
============================================================================================================================================================================================
 Package                                     Arch                                Version                                       Repository                                              Size
============================================================================================================================================================================================
Updating:
 podman                                      x86_64                              1.6.4-16.el7_8                                rhel-7-server-extras-rpms                               13 M
Installing for dependencies:
 conmon                                      x86_64                              2:2.0.8-1.el7                                 rhel-7-server-extras-rpms                               31 k
 fuse-overlayfs                              x86_64                              0.7.2-6.el7_8                                 rhel-7-server-extras-rpms                               55 k
 fuse3-libs                                  x86_64                              3.6.1-4.el7                                   rhel-7-server-extras-rpms                               82 k
 libnftnl                                    x86_64                              1.0.8-3.el7                                   rhel-7-server-rpms                                      78 k
 nftables                                    x86_64                              1:0.8-14.el7                                  rhel-7-server-rpms                                     186 k
 slirp4netns                                 x86_64                              0.4.3-4.el7_8                                 rhel-7-server-extras-rpms                               82 k
Transaction Summary
============================================================================================================================================================================================
Install             ( 6 Dependent packages)
Upgrade  1 Package

// It occurs the following conflict issue due to the changed dependency conmon of the "podman-1.6.4-16.el7_8" package. 
============================================================================================================================================================================================
 Package                             Arch                                Version                                              Repository                                               Size
============================================================================================================================================================================================
Updating:
 podman                              x86_64                              1.6.4-16.el7_8                                       rhel-7-server-extras-rpms                                13 M
Installing for dependencies:
 conmon                              x86_64                              2:2.0.8-3.rhaos4.3.el7                               rhel-7-server-ose-4.3-rpms                               32 k

Transaction Summary
============================================================================================================================================================================================
Install             ( 1 Dependent package)
Upgrade  1 Package

Total download size: 13 M
Downloading packages:
Delta RPMs disabled because /usr/bin/applydeltarpm not installed.
(1/2): conmon-2.0.8-3.rhaos4.3.el7.x86_64.rpm                                                                                                                        |  32 kB  00:00:00     
(2/2): podman-1.6.4-16.el7_8.x86_64.rpm                                                                                                                              |  13 MB  00:00:02     
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Total                                                                                                                                                       4.7 MB/s |  13 MB  00:00:02     
Running transaction check
Running transaction test


Transaction check error:
  file /usr/libexec/crio/conmon from install of conmon-2:2.0.8-3.rhaos4.3.el7.x86_64 conflicts with file from package cri-o-1.14.12-19.dev.rhaos4.2.git313d784.el7.x86_64  <--- the conflicts happened here !!

Version-Release number of the following components:
rpm -q openshift-ansible
openshift-ansible-4.3.11-202004040552.git.0.6843f59.el7.noarch

rpm -q ansible
ansible-2.8.10-1.el7ae.noarch

ansible --version
nsible 2.8.10
  config file = /etc/ansible/ansible.cfg
  configured module search path = [u'/root/.ansible/plugins/modules', u'/usr/share/ansible/plugins/modules']
  ansible python module location = /usr/lib/python2.7/site-packages/ansible
  executable location = /usr/bin/ansible
  python version = 2.7.5 (default, Jun 11 2019, 14:33:56) [GCC 4.8.5 20150623 (Red Hat 4.8.5-39)]

How reproducible:

1. First install podman-1.4.4-4.el7, then install cri-o-1.14.12-19 using OCP4.2 repository.
2. Update podman to podman-1.6.4-16.el7_8 with "yum update podman"
3. The conflicts can be reproduced in your host.

Steps to Reproduce:
1.
2.
3.

Actual results:
Upgrade of RHEL7 worker node from 4.2 to 4.3 was failed with the "podman" package dependency conflicts.

Expected results:
Upgrade of RHEL7 worker node from 4.2 to 4.3 will be successful without the package dependency conflicts.

Additional info:
Please attach logs from ansible-playbook with the -vvv flag