add plugins

plugins/README.md

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+# ![smeserver-koji](https://www.koozali.org/images/koozali/Logo/Png/Koozali_logo_2016.png)
+
+## Koji Plugins used by Koozali in our setup
+
+To install these plugins:
+
+Copy the tag2distrepo.py and sign.py programs into /usr/lib/koji-hub-plugins
+Set the configurations as per the directions for each plugin below
+
+Edit the following settings in /etc/koji-hub/hub.conf to enable the plugins:
+
+    PluginPath = /usr/lib/koji-hub-plugins
+    Plugins = tag2distrepo sign
+
+Reload Apache
+    $ systemctl reload httpd
+
+###koji-plugin-sign
+
+Automagically sign rpms with our key after successful build
+This is a slightly modified version of the OSG Software Teams koji-hub plugin which can be found at <https://github.com/osg-htc/koji-plugin-sign> 
+
+###tag2distrepo
+
+This is a koji-hub plugin available in the available in default koji installation
+Create an external repository for any tag when a new build is completed, or a build is attached (tag-build) to a tag
+

plugins/koji-plugin-sign/LICENSE

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+                                 Apache License
+                           Version 2.0, January 2004
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+
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plugins/koji-plugin-sign/README.md

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+# koji-plugin-sign
+Koji plugin for automated package signing; internally used by the OSG Software Team.
+
+This provides a koji-hub preImport plugin that makes a callout to rpmsign(8) to sign the built RPMs before importing them into Koji.
+The key IDs and passphrases can be configured via a Python ConfigParser-style config file.
+pexpect is used to type in the passphrase or PIN.
+
+This was originally taken from https://fedorahosted.org/koji/ticket/203 but that URL is gone.
+The original license is unknown.

plugins/koji-plugin-sign/post_sign.py

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+# Koji callback for writing signed rpms after signing via sign.py
+# Required for package generation with strict keys in mash
+
+from koji.plugin import register_callback
+import kojihub
+import logging
+from configparser import ConfigParser
+
+# Configuration file in /etc like for other plugins
+config_file = '/etc/koji-hub/plugins/sign.conf'
+
+logger = logging.getLogger('koji.plugin.post_sign')
+
+
+def validate_args(sigkey, sighash, build, rpm):
+    missing_args = []
+    if sigkey is None:
+        missing_args.append('sigkey')
+    if sighash is None:
+        missing_args.append('sighash')
+    if build is None:
+        missing_args.append('build')
+    if rpm is None:
+        missing_args.append('rpm')
+
+    if rpm is not None and 'buildroot_id' not in rpm:
+        missing_args.append('rpm.buildroot_id')
+    if build is not None and 'nvr' not in build:
+        missing_args.append('build.nvr')
+
+    if any(missing_args):
+        logger.warning(f"Required arguments {missing_args} missing in post_sign plugin. Skipping")
+        return False
+    return True
+
+def post_sign(cbType, sigkey=None, sighash=None, build=None, rpm=None):
+    """ Run the kojihub write-signed-rpm command on rpms after they've been signed with a signing key,
+    which is required for generating repos that use a specific key.
+    """
+    if not validate_args(sigkey, sighash, build, rpm):
+        return
+
+    buildroot = kojihub.get_buildroot(rpm['buildroot_id'])
+
+    if buildroot is None or 'tag_name' not in buildroot:
+        logger.warning("No tag name found for build. Skipping")
+        return
+
+    tag_name = buildroot['tag_name']
+    logger.info("Running post-sign plugin for build %s with tag_name %s", build['nvr'], tag_name)
+
+    config = ConfigParser()
+    config.read(config_file)
+    
+    if not config.has_option(tag_name, "strict_keys") or not config.getboolean(tag_name, "strict_keys"):
+        # Only need to write-signed-rpm for repos with strict signing enabled
+        logger.info("tag_name %s doesn't have strict signing enabled. Skipping.", tag_name)
+        return
+
+    kojihub.write_signed_rpm(rpm, sigkey)
+    logging.getLogger('koji.plugin.sign').info("write-signed-rpm task run successfully.")
+
+register_callback('postRPMSign', post_sign)

plugins/koji-plugin-sign/rpm/koji-plugin-sign.spec

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+Name:           koji-plugin-sign
+Version:        1.4.0
+Release:        15%{?dist}
+Summary:        GPG signing plugin for koji-hub
+
+Group:          Applications/System
+License:        Apache 2.0
+URL:            https://github.com/osg-htc/koji-plugin-sign
+Source:         %{name}-%{version}.tar.gz
+BuildArch:      noarch
+BuildRequires:  koji-hub
+Requires:       koji-hub
+%if 0%{?el7}
+BuildRequires:  pexpect
+Requires:       pexpect
+%else
+BuildRequires:  python3-pexpect
+Requires:       python3-pexpect
+%endif
+Requires:       /usr/bin/rpmsign
+
+%description
+GPG signing plugin for koji-hub
+
+%prep
+%autosetup -p1
+
+%build
+exit 0
+
+
+%install
+mkdir -p $RPM_BUILD_ROOT
+install -D sign.conf -m 0600 $RPM_BUILD_ROOT/etc/koji-hub/plugins/sign.conf
+install -D sign.py -m 0755 $RPM_BUILD_ROOT/usr/lib/koji-hub-plugins/sign.py
+install -D post_sign.py -m 0755 $RPM_BUILD_ROOT/usr/lib/koji-hub-plugins/post_sign.py
+
+
+%files
+%config(noreplace) %attr(0600,apache,apache) /etc/koji-hub/plugins/sign.conf
+%attr(0755,root,root) /usr/lib/koji-hub-plugins/sign.py*
+%attr(0755,root,root) /usr/lib/koji-hub-plugins/post_sign.py*
+
+
+
+%changelog
+* Fri Oct 27 2023 Matt Westphall <westphall@wisc.edu> - 1.4.0-15
+- Add callback to run koji write-signed-rpm after signing
+
+* Mon Oct 16 2023 Matt Westphall <westphall@wisc.edu> - 1.4.0-14
+- Re-add more robust error checking for new prompts
+
+* Fri Oct 13 2023 Matt Westphall <westphall@wisc.edu> - 1.4.0-13
+- Update pexpect prompt check for yubikey with pinentry-mode loopback
+
+* Fri Oct 13 2023 Mátyás Selmeci <matyas@cs.wisc.edu> - 1.4.0-12
+- First build from GitHub sources
+
+* Fri Dec 30 2022 Carl Edquist <edquist@cs.wisc.edu> - 1.4.0-10
+- Bump and rebuild for new gpg key (SOFTWARE-5422)
+
+* Wed Dec 28 2022 Mátyás Selmeci <matyas@cs.wisc.edu> - 1.4.0-9
+- Patch to add gpg_digest_algo option (SOFTWARE-5425)
+- Patches to improve error detection (SOFTWARE-5410)
+- Patch for Python 3 compat
+
+* Wed Apr 22 2020 Mátyás Selmeci <matyas@cs.wisc.edu> - 1.4.0-8
+- Add /usr/bin/rpmsign dependency
+
+* Thu Oct 17 2013 Matyas Selmeci <matyas@cs.wisc.edu> - 1.4.0-7
+- Rebuild with dist tag
+
+* Thu Sep 22 2011 Matyas Selmeci <matyas@cs.wisc.edu> - 1.4.0-6
+- fixed disabling not working with previous patch
+
+* Thu Sep 22 2011 Matyas Selmeci <matyas@cs.wisc.edu> - 1.4.0-5
+- added patch to allow enabling/disabling signing for a tag (or by default)
+
+* Thu Sep 15 2011 Matyas Selmeci <matyas@cs.wisc.edu> - 1.4.0-4
+- added pexpect dependency
+
+* Thu Sep 15 2011 Matyas Selmeci <matyas@cs.wisc.edu> 1.4.0-3
+- Set package to be noarch
+- sign.py moved to /usr/lib/koji-hub-plugins to match what the package koji-hub-plugins is doing
+
+* Fri Aug 5 2011 Matyas Selmeci <matyas@cs.wisc.edu> 1.4.0-1
+- Created
+

plugins/koji-plugin-sign/sign.conf

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+# /etc/koji-sign-plugin/sign.conf
+# This file and the gpg_path should be readable by the apache user only
+[DEFAULT]
+rpm = /bin/rpm
+gpgbin = /usr/bin/gpg
+gpg_path = /etc/koji-sign-plugin/gnupg
+gpg_name = My Company, Inc. <support@mycompany.com>
+gpg_pass = my_passphrase
+enabled = 1
+
+# Defaults can be overridden on a per tag basis
+[dist-foo-build]
+gpg_name = My Other Company, Inc. <support@myothercompany.com>
+gpg_pass = my_other_passphrase
+

plugins/koji-plugin-sign/sign.py

@@ -0,0 +1,129 @@
+# Koji callback for GPG signing RPMs before import
+# Consider sigul for a more robust solution -- https://fedorahosted.org/sigul/
+#
+# Author:
+#     Paul B Schroeder <paulbsch "at" vbridges "dot" com>
+
+from koji.plugin import register_callback
+from tempfile import TemporaryFile
+import logging
+import os
+import pexpect
+import re
+from configparser import ConfigParser, NoOptionError
+
+# Get the tag name from the buildroot map
+import sys
+sys.path.insert(0, '/usr/share/koji-hub')
+from kojihub import get_buildroot
+
+# Configuration file in /etc like for other plugins
+config_file = '/etc/koji-hub/plugins/sign.conf'
+
+GPG_EXPECTS = ['Enter passphrase:', pexpect.EOF, 'failed', 'skipping', 'error', pexpect.TIMEOUT]
+ERROR_MESSAGES = {
+    2: 'Package signing failed!',
+    3: 'Package signing skipped!',
+    4: 'Package signing error!',
+    5: 'Package signing timed out!'
+}
+
+def sign(cbtype, *args, **kws):
+    if kws['type'] != 'build':
+       return
+
+    br_id = list(kws['brmap'].values())[0]
+    br = get_buildroot(br_id)
+    tag_name = br['tag_name']
+
+    logging.getLogger('koji.plugin.sign').info("Got package with tag_name %s", tag_name)
+
+    config = ConfigParser()
+    config.read(config_file)
+    if not config.has_section(tag_name):
+       tag_name = "DEFAULT"
+    rpm = config.get(tag_name, 'rpm')
+    gpgbin = config.get(tag_name, 'gpgbin')
+    gpg_path = config.get(tag_name, 'gpg_path')
+    gpg_name = config.get(tag_name, 'gpg_name')
+    gpg_pass = config.get(tag_name, 'gpg_pass')
+    try:
+        gpg_digest_algo = config.get(tag_name, 'gpg_digest_algo')
+    except NoOptionError:
+        gpg_digest_algo = None
+    try:
+        enabled = config.getboolean(tag_name, 'enabled')
+    except NoOptionError:
+        # Note that signing is _enabled_ by default
+        enabled = True
+
+    
+    if not enabled:
+        logging.getLogger('koji.plugin.sign').info('Signing not enabled for this tag.')
+        return
+
+    # Get the package paths set up
+    from koji import pathinfo
+    uploadpath = pathinfo.work()
+    rpm_paths = [f'{uploadpath}/{relpath}' for relpath in [kws['srpm']] + kws['rpms']]
+    rpms = ' '.join(rpm_paths)
+
+    # Get the packages signed
+    os.environ['LC_ALL'] = 'C'
+    logging.getLogger('koji.plugin.sign').info('Attempting to sign packages'
+       ' (%s) with key "%s"' % (rpms, gpg_name))
+    rpm_cmd = "%s --resign --define '_signature gpg'" % rpm
+    rpm_cmd += " --define '_gpgbin %s'" % gpgbin
+    rpm_cmd += " --define '_gpg_path %s'" % gpg_path
+    if gpg_digest_algo:
+        rpm_cmd += " --define '_gpg_digest_algo %s'" % gpg_digest_algo
+    rpm_cmd += " --define '_gpg_name %s' %s" % (gpg_name, rpms)
+    pex = pexpect.spawn(rpm_cmd, timeout=30)
+    # Add rpm output to a temporary file
+    fout = TemporaryFile()
+    pex.logfile = fout
+
+    result = 0
+    # Yubikey occassionally requests password twice, I have no idea why
+    while result == 0:
+        # With pinentry-mode loopback, this is the only prompt output by GPG
+        result = pex.expect(GPG_EXPECTS, timeout=30)
+        if result == 0:
+            pex.sendline(gpg_pass)
+
+    pex.close()
+    ok = True
+    if result < 2 and pex.exitstatus == 0:
+        logging.getLogger('koji.plugin.sign').info('Package sign successful!')
+    else:
+        logging.getLogger('koji.plugin.sign').error(ERROR_MESSAGES.get(result, "Unknown signing error!"))
+        logging.getLogger('koji.plugin.sign').error("rpmsign exited with exit code %s, signal status %s", pex.exitstatus, pex.signalstatus)
+        ok = False
+    if not ok:
+        fout.seek(0)
+        # Add GPG errors to log
+        errors = ''
+        for line in fout.readlines():
+            errors += line.decode().replace(gpg_pass, '<gpg pass>')
+        fout.close()
+        raise Exception('Package sign failed!\n' + errors)
+    else:
+        fout.close()
+
+
+    # Sanity check, ensure that a signature exists for each rpm
+    non_signed_rpms = []
+    for processed_rpm in rpm_paths:
+        rpm_cmd = f"{rpm} -qpi {processed_rpm}"
+        pex = pexpect.spawn(rpm_cmd, timeout=1000)
+        result = pex.expect(['Signature.*:.*Key ID.*',pexpect.EOF], timeout=5)
+        pex.close()
+        if result != 0:
+            non_signed_rpms.append(processed_rpm)
+
+    if len(non_signed_rpms) > 0:
+        raise Exception('Signatures missing from the following packages: ' + ' '.join(non_signed_rpms))
+
+
+
+register_callback('preImport', sign)

plugins/tag2distrepo/LICENSE

@@ -0,0 +1,340 @@
+		    GNU GENERAL PUBLIC LICENSE
+		       Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.
+     51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+			    Preamble
+
+  The licenses for most software are designed to take away your
+freedom to share and change it.  By contrast, the GNU General Public
+License is intended to guarantee your freedom to share and change free
+software--to make sure the software is free for all its users.  This
+General Public License applies to most of the Free Software
+Foundation's software and to any other program whose authors commit to
+using it.  (Some other Free Software Foundation software is covered by
+the GNU Library General Public License instead.)  You can apply it to
+your programs, too.
+
+  When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+this service if you wish), that you receive source code or can get it
+if you want it, that you can change the software or use pieces of it
+in new free programs; and that you know you can do these things.
+
+  To protect your rights, we need to make restrictions that forbid
+anyone to deny you these rights or to ask you to surrender the rights.
+These restrictions translate to certain responsibilities for you if you
+distribute copies of the software, or if you modify it.
+
+  For example, if you distribute copies of such a program, whether
+gratis or for a fee, you must give the recipients all the rights that
+you have.  You must make sure that they, too, receive or can get the
+source code.  And you must show them these terms so they know their
+rights.
+
+  We protect your rights with two steps: (1) copyright the software, and
+(2) offer you this license which gives you legal permission to copy,
+distribute and/or modify the software.
+
+  Also, for each author's protection and ours, we want to make certain
+that everyone understands that there is no warranty for this free
+software.  If the software is modified by someone else and passed on, we
+want its recipients to know that what they have is not the original, so
+that any problems introduced by others will not reflect on the original
+authors' reputations.
+
+  Finally, any free program is threatened constantly by software
+patents.  We wish to avoid the danger that redistributors of a free
+program will individually obtain patent licenses, in effect making the
+program proprietary.  To prevent this, we have made it clear that any
+patent must be licensed for everyone's free use or not licensed at all.
+
+  The precise terms and conditions for copying, distribution and
+modification follow.
+
+		    GNU GENERAL PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. This License applies to any program or other work which contains
+a notice placed by the copyright holder saying it may be distributed
+under the terms of this General Public License.  The "Program", below,
+refers to any such program or work, and a "work based on the Program"
+means either the Program or any derivative work under copyright law:
+that is to say, a work containing the Program or a portion of it,
+either verbatim or with modifications and/or translated into another
+language.  (Hereinafter, translation is included without limitation in
+the term "modification".)  Each licensee is addressed as "you".
+
+Activities other than copying, distribution and modification are not
+covered by this License; they are outside its scope.  The act of
+running the Program is not restricted, and the output from the Program
+is covered only if its contents constitute a work based on the
+Program (independent of having been made by running the Program).
+Whether that is true depends on what the Program does.
+
+  1. You may copy and distribute verbatim copies of the Program's
+source code as you receive it, in any medium, provided that you
+conspicuously and appropriately publish on each copy an appropriate
+copyright notice and disclaimer of warranty; keep intact all the
+notices that refer to this License and to the absence of any warranty;
+and give any other recipients of the Program a copy of this License
+along with the Program.
+
+You may charge a fee for the physical act of transferring a copy, and
+you may at your option offer warranty protection in exchange for a fee.
+
+  2. You may modify your copy or copies of the Program or any portion
+of it, thus forming a work based on the Program, and copy and
+distribute such modifications or work under the terms of Section 1
+above, provided that you also meet all of these conditions:
+
+    a) You must cause the modified files to carry prominent notices
+    stating that you changed the files and the date of any change.
+
+    b) You must cause any work that you distribute or publish, that in
+    whole or in part contains or is derived from the Program or any
+    part thereof, to be licensed as a whole at no charge to all third
+    parties under the terms of this License.
+
+    c) If the modified program normally reads commands interactively
+    when run, you must cause it, when started running for such
+    interactive use in the most ordinary way, to print or display an
+    announcement including an appropriate copyright notice and a
+    notice that there is no warranty (or else, saying that you provide
+    a warranty) and that users may redistribute the program under
+    these conditions, and telling the user how to view a copy of this
+    License.  (Exception: if the Program itself is interactive but
+    does not normally print such an announcement, your work based on
+    the Program is not required to print an announcement.)
+
+These requirements apply to the modified work as a whole.  If
+identifiable sections of that work are not derived from the Program,
+and can be reasonably considered independent and separate works in
+themselves, then this License, and its terms, do not apply to those
+sections when you distribute them as separate works.  But when you
+distribute the same sections as part of a whole which is a work based
+on the Program, the distribution of the whole must be on the terms of
+this License, whose permissions for other licensees extend to the
+entire whole, and thus to each and every part regardless of who wrote it.
+
+Thus, it is not the intent of this section to claim rights or contest
+your rights to work written entirely by you; rather, the intent is to
+exercise the right to control the distribution of derivative or
+collective works based on the Program.
+
+In addition, mere aggregation of another work not based on the Program
+with the Program (or with a work based on the Program) on a volume of
+a storage or distribution medium does not bring the other work under
+the scope of this License.
+
+  3. You may copy and distribute the Program (or a work based on it,
+under Section 2) in object code or executable form under the terms of
+Sections 1 and 2 above provided that you also do one of the following:
+
+    a) Accompany it with the complete corresponding machine-readable
+    source code, which must be distributed under the terms of Sections
+    1 and 2 above on a medium customarily used for software interchange; or,
+
+    b) Accompany it with a written offer, valid for at least three
+    years, to give any third party, for a charge no more than your
+    cost of physically performing source distribution, a complete
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+    customarily used for software interchange; or,
+
+    c) Accompany it with the information you received as to the offer
+    to distribute corresponding source code.  (This alternative is
+    allowed only for noncommercial distribution and only if you
+    received the program in object code or executable form with such
+    an offer, in accord with Subsection b above.)
+
+The source code for a work means the preferred form of the work for
+making modifications to it.  For an executable work, complete source
+code means all the source code for all modules it contains, plus any
+associated interface definition files, plus the scripts used to
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+
+If distribution of executable or object code is made by offering
+access to copy from a designated place, then offering equivalent
+access to copy the source code from the same place counts as
+distribution of the source code, even though third parties are not
+compelled to copy the source along with the object code.
+
+  4. You may not copy, modify, sublicense, or distribute the Program
+except as expressly provided under this License.  Any attempt
+otherwise to copy, modify, sublicense or distribute the Program is
+void, and will automatically terminate your rights under this License.
+However, parties who have received copies, or rights, from you under
+this License will not have their licenses terminated so long as such
+parties remain in full compliance.
+
+  5. You are not required to accept this License, since you have not
+signed it.  However, nothing else grants you permission to modify or
+distribute the Program or its derivative works.  These actions are
+prohibited by law if you do not accept this License.  Therefore, by
+modifying or distributing the Program (or any work based on the
+Program), you indicate your acceptance of this License to do so, and
+all its terms and conditions for copying, distributing or modifying
+the Program or works based on it.
+
+  6. Each time you redistribute the Program (or any work based on the
+Program), the recipient automatically receives a license from the
+original licensor to copy, distribute or modify the Program subject to
+these terms and conditions.  You may not impose any further
+restrictions on the recipients' exercise of the rights granted herein.
+You are not responsible for enforcing compliance by third parties to
+this License.
+
+  7. If, as a consequence of a court judgment or allegation of patent
+infringement or for any other reason (not limited to patent issues),
+conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License.  If you cannot
+distribute so as to satisfy simultaneously your obligations under this
+License and any other pertinent obligations, then as a consequence you
+may not distribute the Program at all.  For example, if a patent
+license would not permit royalty-free redistribution of the Program by
+all those who receive copies directly or indirectly through you, then
+the only way you could satisfy both it and this License would be to
+refrain entirely from distribution of the Program.
+
+If any portion of this section is held invalid or unenforceable under
+any particular circumstance, the balance of the section is intended to
+apply and the section as a whole is intended to apply in other
+circumstances.
+
+It is not the purpose of this section to induce you to infringe any
+patents or other property right claims or to contest validity of any
+such claims; this section has the sole purpose of protecting the
+integrity of the free software distribution system, which is
+implemented by public license practices.  Many people have made
+generous contributions to the wide range of software distributed
+through that system in reliance on consistent application of that
+system; it is up to the author/donor to decide if he or she is willing
+to distribute software through any other system and a licensee cannot
+impose that choice.
+
+This section is intended to make thoroughly clear what is believed to
+be a consequence of the rest of this License.
+
+  8. If the distribution and/or use of the Program is restricted in
+certain countries either by patents or by copyrighted interfaces, the
+original copyright holder who places the Program under this License
+may add an explicit geographical distribution limitation excluding
+those countries, so that distribution is permitted only in or among
+countries not thus excluded.  In such case, this License incorporates
+the limitation as if written in the body of this License.
+
+  9. The Free Software Foundation may publish revised and/or new versions
+of the General Public License from time to time.  Such new versions will
+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+Each version is given a distinguishing version number.  If the Program
+specifies a version number of this License which applies to it and "any
+later version", you have the option of following the terms and conditions
+either of that version or of any later version published by the Free
+Software Foundation.  If the Program does not specify a version number of
+this License, you may choose any version ever published by the Free Software
+Foundation.
+
+  10. If you wish to incorporate parts of the Program into other free
+programs whose distribution conditions are different, write to the author
+to ask for permission.  For software which is copyrighted by the Free
+Software Foundation, write to the Free Software Foundation; we sometimes
+make exceptions for this.  Our decision will be guided by the two goals
+of preserving the free status of all derivatives of our free software and
+of promoting the sharing and reuse of software generally.
+
+			    NO WARRANTY
+
+  11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
+FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
+OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
+PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
+OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  THE ENTIRE RISK AS
+TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU.  SHOULD THE
+PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
+REPAIR OR CORRECTION.
+
+  12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
+REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
+INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
+OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
+TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
+YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
+PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGES.
+
+		     END OF TERMS AND CONDITIONS
+
+	    How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+convey the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+
+
+Also add information on how to contact you by electronic and paper mail.
+
+If the program is interactive, make it output a short notice like this
+when it starts in an interactive mode:
+
+    Gnomovision version 69, Copyright (C) year  name of author
+    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, the commands you use may
+be called something other than `show w' and `show c'; they could even be
+mouse-clicks or menu items--whatever suits your program.
+
+You should also get your employer (if you work as a programmer) or your
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary.  Here is a sample; alter the names:
+
+  Yoyodyne, Inc., hereby disclaims all copyright interest in the program
+  `Gnomovision' (which makes passes at compilers) written by James Hacker.
+
+  <signature of Ty Coon>, 1 April 1989
+  Ty Coon, President of Vice
+
+This General Public License does not permit incorporating your program into
+proprietary programs.  If your program is a subroutine library, you may
+consider it more useful to permit linking proprietary applications with the
+library.  If this is what you want to do, use the GNU Library General
+Public License instead of this License.

plugins/tag2distrepo/MANIFEST.in

@@ -0,0 +1,2 @@
+include LICENSE
+include README.rst

plugins/tag2distrepo/README.md

@@ -0,0 +1,63 @@
+# tag2distrepo
+
+Koji plugin to automatically regenerate distrepos on tag operations
+
+It uses the following options on a tag to control behaviour:
+
+- `tag2distrepo.enabled`: set to "true" to enable automatic distrepos
+- `tag2distrepo.keys`: set to a space-separated list of keys to use for distrepos
+
+The tag must have at least one arch configured on it.
+
+# Installing plugin on Koji Hub
+
+1. Copy `tag2distrepo.py` to `/usr/lib/koji-hub-plugins`
+
+2. Edit the following settings in `/etc/koji-hub/hub.conf` to enable the plugin:
+
+         PluginPath = /usr/lib/koji-hub-plugins
+         Plugins = tag2distrepo
+
+3. Reload Apache
+
+         systemctl reload httpd
+
+# Example usage
+
+Here is an example of enabling the plugin on an "f33-infra" tag. Create the tag and ensure it has at least one arch and a package list (direct or inherited) so we can tag packages into it.
+
+    koji add-tag f33-infra --arches=x86_64
+    koji add-pkg --owner kdreyer f33-infra bash
+
+Set the extra options on the tag so the plugin will generate the repository:
+
+    koji edit-tag -x tag2distrepo.enabled=True -x tag2distrepo.keys=47dd8ef9 f33-infra
+
+Tag a new build to trigger the plugin:
+
+    koji tag f33-infra bash-5.0.17-2.fc33
+
+The hub will immediately queue a new distRepo task, using the tagBuild task host as the distRepo task owner. When the distRepo task completes, you can find the new repository under the ``topurl`` for your Koji instance.
+
+To confirm that the tag has the correct options set, use the `koji taginfo` command:
+
+    koji taginfo f33-infra
+    Tag: f33-infra [18680]
+    Arches: x86_64
+    Tag options:
+      tag2distrepo.enabled : 'true'
+      tag2distrepo.keys : '47dd8ef9'
+
+To disable the plugin for the same tag:
+
+    koji edit-tag -r tag2distrepo.enabled -r tag2distrepo.keys f33-infra
+
+# Using Multiple Keys
+
+If you want to create a repository that contains builds signed by more than one key, list your desired key IDs ordered by preference.
+
+For example:
+
+    koji edit-tag coreos-pool -x tag2distrepo.keys="45719a39 9867c58f 38ab71f4 5323552a"
+
+For each RPM in the tag, Koji will use the first signed copy that it finds. In other words, Koji will try the first key (`45719a39`), and if Koji does not have the first key's signature for that RPM, then it will try the second key (`9867c58f`), third key (`38ab71f4`), and so on.

plugins/tag2distrepo/setup.py

@@ -0,0 +1,14 @@
+from setuptools import setup
+
+setup(
+    name='tag2distrepo',
+    version='2.0',
+    description='Koji Hub plugin to automatically regenerate distrepos on tag operations',
+    author='Patrick Uiterwijk',
+    author_email='puiterwijk@redhat.com',
+    url='https://pagure.io/tag2distrepo/',
+    license='gplv2+',
+    packages=[
+        'tag2distrepo',
+    ],
+)

plugins/tag2distrepo/tag2distrepo.py

@@ -0,0 +1,59 @@
+# Koji tag2distrepo hub plugin
+# Copyright (c) 2019 Red Hat, Inc.
+# This callback automatically schedules distrepo tasks based on a tags config
+#
+# Authors:
+#   Patrick Uiterwijk <puiterwijk@redhat.com>
+
+from __future__ import absolute_import
+from koji.plugin import callback
+from kojihub import dist_repo_init, make_task, readTaggedRPMS, write_signed_rpm
+import logging
+
+@callback('postTag')
+def tag2distrepo(cbtype, tag, build, user, force=False):
+    logger = logging.getLogger('koji.plugin.tag2distrepo')
+
+    if not tag['extra'].get("tag2distrepo.enabled"):
+        logger.debug("No tag2distrepo enabled for tag %s" % tag['name'])
+        return
+    if not tag['arches']:
+        raise ValueError("Tag %s has no arches configured but tag2distrepo is enabled" % tag['name'])
+
+    keys = tag['extra'].get("tag2distrepo.keys", '').split()
+
+    if keys:
+        logger.debug("Ensuring signed RPMs are written out")
+        [rpms, _] = readTaggedRPMS(tag['id'], rpmsigs=True)
+        for rpm in rpms:
+            for key in keys:
+                if rpm['sigkey'] == key:
+                    write_signed_rpm(rpm['id'], key, False)
+
+    task_opts = {
+        'arch': tag['arches'].split(),
+        'comp': None,
+        'delta': [],
+        'event': None,
+        'inherit': False,
+        'latest': False,
+        'multilib': False,
+        'split_debuginfo': False,
+        'skip_missing_signatures': False,
+        'allow_missing_signatures': not keys,
+    }
+    logging.debug(
+        "Scheduling distRepo for tag %s, keys %s",
+        tag['name'],
+        keys,
+    )
+
+    repo_id, event_id = dist_repo_init(tag['name'], keys, task_opts)
+    task_opts['event'] = event_id
+    task_id = make_task(
+        'distRepo',
+        [tag['name'], repo_id, keys, task_opts],
+        priority=15,
+        channel='createrepo',
+    )
+    logging.info("distRepo task %d scheduled for tag %s" % (task_id, tag['name']))