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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: |
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| 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/ |
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| == 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:
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| * metadata_version: The version of the metadata format used. Currently must be 0.
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| * build: A map containing information about the build.
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| * buildroots: A list of maps, one for each environment in which build output was generated, containing information about that environment.
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| * output: A list of maps, one map for each file that will be imported and managed by Brew.
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| === metadata_version ===
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| 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.
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| === build ===
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| The build map contains the following entries:
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| * name: The name of the build.
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| * version: The version of the build.
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| * release: The release of the build.
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| * source: The SCM URL of the sources used in the build.
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| * start_time: The time the build started, in seconds since the epoch.
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| * end_time: The time the build was completed, in seconds since the epoch.
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| * extra: A map of extra metadata associated with the build.
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| === buildroots ===
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| Each map in the buildroots list contains the following entries:
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| * 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.
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| * host: Map containing information about the host where the build was run.
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| ** os: The operating system that was running on the host.
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| ** arch: The processor architecture of the host.
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| * content_generator: Map containing information about the Content Generator which ran the build.
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| ** name: The short name of the Content Generator.
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| ** version: The version of the Content Generator.
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| * container: Map containing information about the container in which the build was run.
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| ** type: The type of container that was used, eg. none, directory, chroot, mock-chroot, kvm, docker
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| ** arch: The architecture of the container. May be different than the architecture of the host, eg. i686 container on x86_64 host.
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| * tools: List of maps containing information about the tools used to run the build. Each map contains:
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| ** name: Name of the tool used.
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| ** version: Version of the tool used.
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| * 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:
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| ** name: The rpm name.
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| ** version: The rpm version.
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| ** release: The rpm release.
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| ** epoch: The rpm epoch.
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| ** arch: The rpm arch.
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| ** sigmd5: The SIGMD5 tag from the rpm header.
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| ** signature: The signature used to sign the rpm (if any).
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| * For maps where '''type = file''', the following fields will be present:
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| ** filename: The name of the file.
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| ** filesize: The size of the file.
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| ** checksum: The checksum of the file.
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| ** checksum_type: The checksum type used.
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| * The format may be extended with other types in the future.
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| * 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:
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| ** build_id: The ID of the build in OSBS.
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| ** builder_image_id: The ID of the image in OSBS that was used to run the build.
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| === output ===
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| Each map in the output list contains the following entries:
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| * buildroot_id: The id of the buildroot used to create this file. Must match an entry in the buildroots list.
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| * filename: The name of the file.
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| * filesize: The size of the file.
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| * arch: The architecture of the file (if applicable).
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| * checksum: The checksum of the file.
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| * checksum_type: The checksum type used.
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| * type: The type of the file. Log files should use "log".
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| * 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.
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| * 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:
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| ** id: The ID of the docker image produced in the repo used by the build tool
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| ** parent_id: The parent ID of the docker image produced (if applicable).
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| ** repositories: A list of repository locations where the image is available.
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| == Example (based loosely on the output of a docker image build) ==
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| <pre>
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| {"metadata_version": 0,
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| "build": {"name": "rhel-server-docker",
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| "version": "7.1",
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| "release": "4",
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| "source": "git://git.engineering.redhat.com/users/vpavlin/tdl_templates.git#a14f145244",
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| "start_time": 1423148398,
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| "end_time": 1423148828},
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| "buildroots": [{"id": 1,
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| "host": {"os": "rhel-7",
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| "arch": "x86_64"},
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| "content_generator": {"name": "osbs",
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| "version": "0.2"},
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| "container": {"type": "docker",
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| "arch": "x86_64"},
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| "tools": [{"name": "docker",
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| "version": "1.5.0"}],
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| "components": [{"type": "rpm",
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| "name": "glibc",
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| "version": "2.17",
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| "release": "75.el7",
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| "epoch": null,
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| "arch": "x86_64",
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| "sigmd5": "a1b2c3...",
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| "signature": "fd431d51"},
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| {"type": "rpm",
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| "name": "openssl",
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| "version": "1.0.1e",
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| "release": "42.el7",
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| "epoch": null,
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| "arch": "x86_64",
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| "sigmd5": "d4e5f6...",
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| "signature": "fd431d51"},
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| {"type": "rpm",
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| "name": "bind-libs",
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| "version": "9.9.4",
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| "release": "18.el7",
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| "epoch": 32,
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| "arch": "x86_64",
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| "sigmd5": "987abc...",
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| "signature": null},
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| {"type": "rpm",
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| "name": "python-urllib3",
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| "version": "1.5",
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| "release": "8.el7",
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| "epoch": null,
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| "arch": "noarch",
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| "sigmd5": "123hgf...",
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| "signature": null},
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| {"type": "file",
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| "filename": "jboss-eap-6.3.3-full-build.zip",
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| "filesize": 12345678,
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| "checksum": "5ec2f29c4e1c2e2aa6552836e236a158",
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| "checksum_type": "md5"}],
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| "extra": {"osbs": {"build_id": 12345,
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| "builder_image_id": 67890}}
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| }],
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| "output": [{"buildroot_id": 1,
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| "filename": "rhel-server-docker-7.1-4.x86_64.tar.xz",
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| "filesize": 34440656,
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| "arch": "x86_64",
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| "checksum_type": "md5",
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| "checksum": "275ae42a45cfedbdb0c0a1acc0b55a1b",
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| "type": "docker-image",
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| "components": "",
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| "extra": {"docker": {"id": "987654...",
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| "parent_id": "a1b2c3...",
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| "repositories": ["repository.example.com/username/imagename:tagname",
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| "repository.example.com/username/imagename:latest"]}}},
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| {"buildroot_id": 1,
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| "filename": "checkout.log",
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| "filesize": 85724,
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| "arch": "noarch",
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| "checksum_type": "md5",
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| "checksum": "a1b2c3...",
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| "type": "log"},
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| {"buildroot_id": 1,
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| "filename": "os-indirection.log",
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| "filesize": 27189,
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| "arch": "noarch",
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| "checksum_type": "md5",
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| "checksum": "d4f5g6...",
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| "type": "log"}
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| ]
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| }
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| </pre>
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