tripleo scenario002 ci failure on zaqar gate due to dlrn build fatal: because of missing redis dependency

[gecong]

There are scenario002 ci failure in https://review.openstack.org/#/c/511663/
with logs:
fatal: [undercloud]: FAILED! => {"changed": true, "cmd": "set +e; source /home/zuul/dlrn-venv/bin/activate; while true; do\n dlrn --config-file projects.ini --head-only --package-name openstack-zaqar --local --info-repo rdoinfo --dev;\n if [ $? -eq 0 ]; then\n # SUCCESS\n break;\n elif [ $? -eq 1 ]; then\n # FAILED\n exit 1;\n elif [ $? -eq 2 ]; then\n # RETRY\n continue;\n fi;\n # Unexpected DLRN return code\n exit $?;\n done;", "delta": "0:02:55.752785", "end": "2017-12-08 03:53:52.429842", "failed": true, "msg": "non-zero return code", "rc": 1, "start": "2017-12-08 03:50:56.677057", "stderr": "2017-12-08 03:51:00,228 INFO:dlrn-repositories:Getting https://github.com/rdo-packages/zaqar-distgit.git to ./data/openstack-zaqar_distro (rpm-master)\n2017-12-08 03:51:01,880 INFO:dlrn-repositories:Getting git://git.openstack.org/openstack/zaqar to ./data/openstack-zaqar (master)\n2017-12-08 03:51:02,046 INFO:dlrn-build:Processing openstack-zaqar 8a329e7df89242072b811b3221009c9708400312\n2017-12-08 03:53:40,973 ERROR:dlrn-build:cmd failed. See logs at: /home/zuul/DLRN/data/repos/8a/32/8a329e7df89242072b811b3221009c9708400312_dev/\n2017-12-08 03:53:40,974 INFO:dlrn:Received exception Error in build_rpm_wrapper for openstack-zaqar: \n\n RAN: /usr/bin/env /home/zuul/DLRN/scripts/build_rpm.sh centos-local openstack-zaqar /home/zuul/DLRN/data/repos/8a/32/8a329e7df89242072b811b3221009c9708400312_dev /home/zuul/DLRN/data file:///tmp/fake-dlrn-repos /home/zuul/DLRN/data/openstack-zaqar_distro\n\n STDOUT:\n\n\n STDERR:\n\n2017-12-08 03:53:40,981 ERROR:dlrn:Received exception Error in build_rpm_wrapper for openstack-zaqar: \n\n RAN: /usr/bin/env /home/zuul/DLRN/scripts/build_rpm.sh centos-local openstack-zaqar /home/zuul/DLRN/data/repos/8a/32/8a329e7df89242072b811b3221009c9708400312_dev /home/zuul/DLRN/data file:///tmp/fake-dlrn-repos /home/zuul/DLRN/data/openstack-zaqar_distro\n\n STDOUT:\n\n\n STDERR:\n\n2017-12-08 03:53:40,993 INFO:dlrn-notifications:Skipping notify email to ['<email address hidden>', '<email address hidden>', '<email address hidden>']", "stderr_lines": ["2017-12-08 03:51:00,228 INFO:dlrn-repositories:Getting https://github.com/rdo-packages/zaqar-distgit.git to ./data/openstack-zaqar_distro (rpm-master)", "2017-12-08 03:51:01,880 INFO:dlrn-repositories:Getting git://git.openstack.org/openstack/zaqar to ./data/openstack-zaqar (master)", "2017-12-08 03:51:02,046 INFO:dlrn-build:Processing openstack-zaqar 8a329e7df89242072b811b3221009c9708400312", "2017-12-08 03:53:40,973 ERROR:dlrn-build:cmd failed. See logs at: /home/zuul/DLRN/data/repos/8a/32/8a329e7df89242072b811b3221009c9708400312_dev/", "2017-12-08 03:53:40,974 INFO:dlrn:Received exception Error in build_rpm_wrapper for openstack-zaqar: ", "", " RAN: /usr/bin/env /home/zuul/DLRN/scripts/build_rpm.sh centos-local openstack-zaqar /home/zuul/DLRN/data/repos/8a/32/8a329e7df89242072b811b3221009c9708400312_dev /home/zuul/DLRN/data file:///tmp/fake-dlrn-repos /home/zuul/DLRN/data/openstack-zaqar_distro", "", " STDOUT:", "", "", " STDERR:", "", "2017-12-08 03:53:40,981 ERROR:dlrn:Received exception Error in build_rpm_wrapper for openstack-zaqar: ", "", " RAN: /usr/bin/env /home/zuul/DLRN/scripts/build_rpm.sh centos-local openstack-zaqar /home/zuul/DLRN/data/repos/8a/32/8a329e7df89242072b811b3221009c9708400312_dev /home/zuul/DLRN/data file:///tmp/fake-dlrn-repos /home/zuul/DLRN/data/openstack-zaqar_distro", "", " STDOUT:", "", "", " STDERR:", "", "2017-12-08 03:53:40,993 INFO:dlrn-notifications:Skipping notify email to ['<email address hidden>', '<email address hidden>', '<email address hidden>']"], "stdout": "", "stdout_lines": []}

[Alex Schultz (alex-schultz)]

I mentioned this in the related review but it is failing because of a missing redis requirement. The change in question is the addition of code that pulls in this new requirement. This isn't a tripleo bug, but rather an issue with zaqar and it's packaging.

Traceback (most recent call last):
  File "/usr/bin/oslo-config-generator", line 10, in <module>
    sys.exit(main())
  File "/usr/lib/python2.7/site-packages/oslo_config/generator.py", line 758, in main
    generate(conf)
  File "/usr/lib/python2.7/site-packages/oslo_config/generator.py", line 719, in generate
    groups = _get_groups(_list_opts(conf.namespace))
  File "/usr/lib/python2.7/site-packages/oslo_config/generator.py", line 469, in _list_opts
    loaders = _get_raw_opts_loaders(namespaces)
  File "/usr/lib/python2.7/site-packages/oslo_config/generator.py", line 413, in _get_raw_opts_loaders
    invoke_on_load=False)
  File "/usr/lib/python2.7/site-packages/stevedore/named.py", line 81, in __init__
    verify_requirements)
  File "/usr/lib/python2.7/site-packages/stevedore/extension.py", line 203, in _load_plugins
    self._on_load_failure_callback(self, ep, err)
  File "/usr/lib/python2.7/site-packages/stevedore/extension.py", line 195, in _load_plugins
    verify_requirements,
  File "/usr/lib/python2.7/site-packages/stevedore/named.py", line 158, in _load_one_plugin
    verify_requirements,
  File "/usr/lib/python2.7/site-packages/stevedore/extension.py", line 223, in _load_one_plugin
    plugin = ep.resolve()
  File "/usr/lib/python2.7/site-packages/pkg_resources/__init__.py", line 2235, in resolve
    module = __import__(self.module_name, fromlist=['__name__'], level=0)
  File "/builddir/build/BUILD/zaqar-6.0.0.0b2.dev63/zaqar/storage/redis/__init__.py", line 64, in <module>
    from zaqar.storage.redis import driver
  File "/builddir/build/BUILD/zaqar-6.0.0.0b2.dev63/zaqar/storage/redis/driver.py", line 16, in <module>
    import redis
ImportError: No module named redis
RPM build errors:

[Alex Schultz (alex-schultz)]

proposed patch to RDO https://review.rdoproject.org/r/10884

[Alex Schultz (alex-schultz)]

rdo was updated to include python-redis