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== Koji Content Generator Metadata Proposal ==
This document has moved to the [https://docs.pagure.org/koji/ Koji Documentation]. The new location is:


This document describes the proposed Koji Content Generator Metadata Format (version 0). This is the metadata that should be provided by a Content Generator in order for the content to be imported and managed by Koji. If you have further questions about [[Koji/ContentGenerators|Content Generators]], please email koji-devel@lists.fedorahosted.org.
    https://docs.pagure.org/koji/content_generator_metadata/


== Format ==
You can submit changes to Koji's docs in [https://pagure.io/koji Pagure]
Content Generator Metadata for a single build is provided as a JSON map.  The map has four top-level entries:
 
* metadata_version: The version of the metadata format used.  Currently must be 0.
* build: A map containing information about the build.
* buildroots: A list of maps, one for each environment in which build output was generated, containing information about that environment.
* output: A list of maps, one map for each file that will be imported and managed by Brew.
 
=== metadata_version ===
This is an integer which indicates the version of the metadata format contained in this file.  It will start at 0 and be incremented as the metadata format evolves.
 
=== build ===
The build map contains the following entries:
 
* name: The name of the build.
* version: The version of the build.
* release: The release of the build.
* source: The SCM URL of the sources used in the build.
* start_time: The time the build started, in seconds since the epoch.
* end_time: The time the build was completed, in seconds since the epoch.
 
=== buildroots ===
Each map in the buildroots list contains the following entries:
 
* id: An id for this buildroot entry.  Only needs to be consistent within this file (it will be referenced by the output).  Can be synthetic/generated/random.
* host: Map containing information about the host where the build was run.
** os: The operating system that was running on the host.
** arch: The processor architecture of the host.
* content_generator: Map containing information about the Content Generator which ran the build.
** name: The short name of the Content Generator.
** version: The version of the Content Generator.
* container: Map containing information about the container in which the build was run.
** type: The type of container that was used, eg. none, directory, chroot, mock-chroot, kvm, docker
** arch: The architecture of the container.  May be different than the architecture of the host, eg. i686 container on x86_64 host.
* tools: List of maps containing information about the tools used to run the build.  Each map contains:
** name: Name of the tool used.
** version: Version of the tool used.
* components: List of maps containing information about content installed in the build environment (if any).  Each map is guaranteed to contain a '''type''' field, which determines what other fields are present in the map.  For maps where '''type = rpm''', the following fields will be present:
** name: The rpm name.
** version: The rpm version.
** release: The rpm release.
** epoch: The rpm epoch.
** arch: The rpm arch.
** sigmd5: The SIGMD5 tag from the rpm header.
** signature: The signature used to sign the rpm (if any).
* For maps where '''type = file''', the following fields will be present:
** filename: The name of the file.
** filesize: The size of the file.
** checksum: The checksum of the file.
** checksum_type: The checksum type used.
* The format may be extended with other types in the future.
* extra: A map containing information specific to the Content Generator that produced the files to import.  For OSBS, the extra map should contain a osbs entry, which is a map with the following fields:
** build_id: The ID of the build in OSBS.
** builder_image_id: The ID of the image in OSBS that was used to run the build.
 
 
=== output ===
Each map in the output list contains the following entries:
 
* buildroot_id: The id of the buildroot used to create this file.  Must match an entry in the buildroots list.
* filename: The name of the file.
* filesize: The size of the file.
* arch: The architecture of the file (if applicable).
* checksum: The checksum of the file.
* checksum_type: The checksum type used.
* type: The type of the file.  Log files should use "log".
* components: If the output file is composed from other units, those should be listed here.  The format is the same as the '''components''' field of a buildroot map.
* extra: Free-form, but should contain IDs that allow tracking the output back to the system in which it was generated (if that system retains a record of output).  For docker, the extra map should contain a docker entry, which is a map with the following fields:
** id: The ID of the docker image produced in the repo used by the build tool
** parent_id: The parent ID of the docker image produced (if applicable).
** destination_repo: The destination repo of the docker image was delivered to.
** tag: The tag applied to the docker image in the destination repo.
 
 
== Example (based loosely on the output of a docker image build) ==
<pre>
{'metadata_version': 0,
'build': {'name': 'rhel-server-docker',
          'version': '7.1',
          'release': '4',
          'source': 'git://git.engineering.redhat.com/users/vpavlin/tdl_templates.git#a14f145244',
          'start_time': 1423148398,
          'end_time': 1423148828},
'buildroots': [{'id': 1,
                'host': {'os': 'rhel-7',
                          'arch': 'x86_64'},
                'content_generator': {'name': 'osbs',
                                      'version': '0.2'},
                'container': {'type': 'docker',
                              'arch': 'x86_64'},
                'tools': [{'name': 'docker',
                            'version': '1.5.0'}],
                'components': [{'type': 'rpm',
                                'name': 'glibc',
                                'version': '2.17'
                                'release': '75.el7',
                                'epoch': None,
                                'arch': 'x86_64',
                                'sigmd5': 'a1b2c3...',
                                'signature': 'fd431d51'},
                                {'type': 'rpm',
                                'name': 'openssl',
                                'version': '1.0.1e',
                                'release': '42.el7',
                                'epoch': None,
                                'arch': 'x86_64',
                                'sigmd5': 'd4e5f6...',
                                'signature': 'fd431d51'},
                                {'type': 'rpm',
                                'name': 'bind-libs',
                                'version': '9.9.4',
                                'release': 18.el7',
                                'epoch': 32,
                                'arch': 'x86_64',
                                'sigmd5': '987abc...',
                                'signature': None},
                                {'type': 'rpm',
                                'name': 'python-urllib3',
                                'version': '1.5',
                                'release': '8.el7',
                                'epoch': None,
                                'arch': 'noarch',
                                'sigmd5': '123hgf...',
                                'signature': None},
                                {'type': 'file',
                                'filename': 'jboss-eap-6.3.3-full-build.zip',
                                'filesize': 12345678,
                                'checksum': '5ec2f29c4e1c2e2aa6552836e236a158',
                                'checksum_type': 'md5'}],
                'extra': {'osbs': {'build_id': 12345,
                                    'builder_image_id': 67890}}
                  ],
'output': [{'buildroot_id': 1,
            'filename': 'rhel-server-docker-7.1-4.x86_64.tar.xz',
            'filesize': 34440656,
            'arch': 'x86_64',
            'checksum_type': 'md5',
            'checksum': '275ae42a45cfedbdb0c0a1acc0b55a1b',
            'type': 'docker-image',
            'components': ...,
            'extra': {'docker': {'id': '987654...',
                                      'parent_id': 'a1b2c3...',
                                      'destination_repo': 'foo-repo',
                                      'tag': 'test-tag'}},
          {'buildroot_id': 1,
            'filename': 'checkout.log',
            'filesize': 85724,
            'arch': 'noarch',
            'checksum_type': 'md5',
            'checksum': 'a1b2c3...',
            'type': 'log'},
          {'buildroot_id': 1,
            'filename': 'os-indirection.log',
            'filesize': 27189,
            'arch': 'noarch',
            'checksum_type': 'md5',
            'checksum': 'd4f5g6...',
            'type': 'log'}]
 
}
</pre>

Latest revision as of 01:26, 25 August 2016

This document has moved to the Koji Documentation. The new location is:

   https://docs.pagure.org/koji/content_generator_metadata/

You can submit changes to Koji's docs in Pagure