``koji-atomic-reactor-plugin`` is a plugin to koji_ that enables builders to
execute docker_ layered image builds using atomic-reactor_.

The builders need to have both docker_ and atomic-reactor_ installed with the
docker_ service enabled.

Place the ``atomicreactor.py`` in ``/usr/lib/koji-builder-plugins/``, edit the
koji builder config file, ``/etc/kojid/kojid.conf`` and enable it:


    # A space-separated list of plugins to enable
    plugins = atomicreactor

Restart the Koji Builder service, and your plugin will be enabled.

Now you can run the task with the koji client:


    $ koji make-task atomicreactor \
        buildroot \
        "https://github.com/maxamillion/atomic-reactor-dockerfile-test.git" \

    # You can optionally pass in a git commit, branch, or tag
    $ koji make-task atomicreactor \
        buildroot \
        "https://github.com/maxamillion/atomic-reactor-dockerfile-test.git" \
        test-image \

Builder Pre-Reqs

On the builder, you need to have atomic-reactor_ installed which can be found
for the time being in a COPR_ here: maxamillion-atomic-reactor_

Currently you also need to alter python-requests version
(EL7-requests_ and Fedora-requests_)


    # For RHEL7 or derivative distros such as CentOS7
    $ yum -y install atomic-reactor
    $ yum -y update python-requests

    # For Fedora
    $ dnf -y install atomic-reactor
    $ dnf -y downgrade python-requests

Also need to have docker installed and running on the build system. Please note
recomendations about docker-storage_ for production systems.


    # For RHEL7 or derivative distros such as CentOS7
    ## NOTE: RHEL7 systems need the optional channel enabled in 
    ##       subscription-manager
    $ yum -y install docker
    $ systemctl docker start

    # For Fedora
    $ dnf -y install docker
    $ systemctl docker start

Then we need to build the buildroot image for atomic-reactor_


    $ atomic-reactor create-build-image --reactor-tarball-path /usr/share/atomic-reactor/atomic-reactor.tar.gz /usr/share/atomic-reactor/images/dockerhost-builder buildroot

We are now ready to build!

Known Issues

Currently in Koji version 1.10.x there is a bug in how it handles SSL errors as
some of them aren't considered fatal.

If you see a build with the following failure:


    Traceback (most recent call last):
      File "/usr/lib/python2.7/site-packages/koji/daemon.py", line 1161, in runTask
        response = (handler.run(),)
      File "/usr/lib/python2.7/site-packages/koji/tasks.py", line 158, in run
        return koji.util.call_with_argcheck(self.handler, self.params, self.opts)
      File "/usr/lib/python2.7/site-packages/koji/util.py", line 154, in call_with_argcheck
        return func(*args, **kwargs)
      File "/usr/lib/koji-builder-plugins/atomicreactor.py", line 135, in handler
      File "/usr/lib/python2.7/site-packages/koji/tasks.py", line 262, in uploadFile
        self.session.uploadWrapper(filename, uploadPath, remoteName)
      File "/usr/lib/python2.7/site-packages/koji/__init__.py", line 2078, in uploadWrapper
        self.fastUpload(localfile, path, name, callback, blocksize, overwrite)
      File "/usr/lib/python2.7/site-packages/koji/__init__.py", line 2021, in fastUpload
        result = self._callMethod('rawUpload', (chunk, ofs, path, name), {'overwrite':overwrite})
      File "/usr/lib/python2.7/site-packages/koji/__init__.py", line 1920, in _callMethod
        return self._sendCall(handler, headers, request)
      File "/usr/lib/python2.7/site-packages/koji/__init__.py", line 1831, in _sendCall
        return self._sendOneCall(handler, headers, request)
      File "/usr/lib/python2.7/site-packages/koji/__init__.py", line 1850, in _sendOneCall
      File "/usr/lib64/python2.7/httplib.py", line 805, in send
      File "/usr/lib/python2.7/site-packages/koji/ssl/SSLConnection.py", line 111, in sendall
      File "/usr/lib/python2.7/site-packages/koji/ssl/SSLConnection.py", line 82, in close
      File "/usr/lib/python2.7/site-packages/koji/ssl/SSLConnection.py", line 53, in shutdown
    Error: []

Then you will need to apply the following patch (not yet merged upstream,
awaiting review and testing).


    From 117324a8568d137bf2eaecdcafd0ed5bc66fbcfd Mon Sep 17 00:00:00 2001
    From: Mathieu Bridon <bochecha@daitauha.fr>
    Date: Thu, 23 Jul 2015 10:19:23 +0200
    Subject: [PATCH] Better catch SSL errors

    Commit 4de27c52de80596d256b059a67d10c7ed5e61238 made Koji to not retry
    on SSL errors.

    However, it turns out that some SSL errors are transient, and Koji
    should still retry for them.

    This commit changes that, so that we are more specific about which SSL
    errors should be fatal: expired or revoked certificates.

     koji/__init__.py | 10 +++++++---
     1 file changed, 7 insertions(+), 3 deletions(-)

    diff --git a/koji/__init__.py b/koji/__init__.py
    index fadbada..e7a66f2 100644
    --- a/koji/__init__.py
    +++ b/koji/__init__.py
    @@ -1940,11 +1940,15 @@ class ClientSession(object):
                     except (SystemExit, KeyboardInterrupt):
                         #(depending on the python version, these may or may not be subclasses of Exception)
    -                except OpenSSL.SSL.Error as e:
    -                    # There's no point in retrying this
    -                    raise
                     except Exception, e:
    +                    if isinstance(e, OpenSSL.SSL.Error):
    +                        for arg in e.args:
    +                            for _, _, ssl_reason in arg:
    +                                if ('certificate revoked' in ssl_reason or
    +                                        'certificate expired' in ssl_reason):
    +                                    # There's no point in retrying for this
    +                                    raise
                         if not self.logged_in:
                             #in the past, non-logged-in sessions did not retry. For compatibility purposes
                             #this behavior is governed by the anon_retry opt.

.. _koji: https://fedoraproject.org/wiki/Koji
.. _atomic-reactor: https://github.com/projectatomic/atomic-reactor
.. _docker: https://github.com/docker/docker
.. _COPR: https://fedorahosted.org/copr/
.. _maxamillion-atomic-reactor: https://copr.fedoraproject.org/coprs/maxamillion/atomic-reactor/
.. _EL7-requests: https://github.com/projectatomic/atomic-reactor/issues/225
.. _Fedora-requests: https://github.com/projectatomic/atomic-reactor/issues/226
.. _docker-storage: http://www.projectatomic.io/blog/2015/06/notes-on-fedora-centos-and-docker-storage-drivers/