Add Dockerfile.rhel8

[yselkowitz]

A separate file is required, as the changes necessary for building with
RHEL 8 content are not compatible with RHEL 7.

[yselkowitz]

/retest

[yselkowitz]

/retest

[yselkowitz]

/retest

[yselkowitz]

/retest

[yselkowitz]

/retest

[yselkowitz]

/retest

[yselkowitz]

/retest

[yselkowitz]

/assign @knobunc

[yselkowitz]

/retest

[sdodson]

/lgtm
This is net new.

[openshift-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

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This pull-request has been approved by: sdodson, yselkowitz

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[crawford]

From the logs:

Downloading packages:
http://base-4-6.ocp.svc/rhel-server-ose/Packages/haproxy-2.0.14-1.el7__x86_64/haproxy20-2.0.14-1.el7.x86_64.rpm: [Errno 14] HTTP Error 404 - Not Found

[openshift-bot]

/retest

Please review the full test history for this PR and help us cut down flakes.

[frobware]

From the logs:

Downloading packages:
http://base-4-6.ocp.svc/rhel-server-ose/Packages/haproxy-2.0.14-1.el7__x86_64/haproxy20-2.0.14-1.el7.x86_64.rpm: [Errno 14] HTTP Error 404 - Not Found

If this is for RHEL 8 shouldn't this pick up a .el8 rpm?

[frobware]

If this is for RHEL 8 shouldn't this pick up a .el8 rpm?

We have a .el8 build here: https://brewweb.engineering.redhat.com/brew/buildinfo?buildID=1269195

[sdodson]

Those logs look like they're still from the rhel7 build. I think there needs to be a change to CI build infra to start realizing all of these changes.

[yselkowitz]

That will come once everything else is in place.