Merge PR #32252 into master

* refs/pull/32252/head:
	qa/cephfs/begin: libaio-devel on el8
	qa/tasks: nosetests -> python -m nose
	qa/tasks/rbd_fio: fio 2.21 -> 3.16
	src/test/cli-integration/rbd/snap-diff.t: python -> python
	qa/workunits: use nose 3
	qa/tasks/cbt: install python3 deps
	qa/tasks/ceph_manager.py: do not use python to write a file
	test/pybind/test_rados: execute takes a bytes (not str) payload
	qa/packages/packages: python[3]-ceph is no more
	qa: use python3 for venvs etc
	packaging: remove python3-ipaddres, as it is part of the stdlib in py3
	qa/packages: python-ceph -> python3-ceph
	qa/distros: centos7 -> centos8, rhel7 -> rhel8
	spec: remove _python_buildid in favor of python3_pkgversion macro
	spec: remove python2 packages and conditions
	debian: remove python >= 2.7 requirement
	debian: add mgr python versions
	debian: explicitly set PYTHON2=OFF to prevent picking up python2 interpreter
	debian: update control file to use python3 dependency names
	debian: remove all python2 overrides and declarations
	debian: remove all python2 install files

Reviewed-by: Alfredo Deza <adeza@redhat.com>

diff --cc ceph.spec.in
Simple merge

diff --cc qa/tasks/cbt.py
Simple merge

diff --cc qa/tasks/ceph_manager.py
Simple merge

diff --cc qa/tasks/ragweed.py
Simple merge

diff --cc qa/tasks/s3tests.py
Simple merge

diff --cc qa/tasks/swift.py
Simple merge

diff --cc qa/tasks/vstart_runner.py
Simple merge