docker_manifest_generator.py

from pyouroboros import VERSION
import yaml

org = 'pyouroboros'
project = 'ouroboros'
namespace = f"{org}/{project}"

yaml_arr = []
tags = ['latest', VERSION]

# Docker image, arch, variant, os
archs = [('amd64', 'amd64', None, 'linux'),
         ('armel', 'arm', 'v6', 'linux'),
         ('armhf', 'arm', 'v7', 'linux'),
         ('arm64', 'arm64', 'v8', 'linux')]

for tag in tags:
    yaml_doc = {}
    yaml_doc['image'] = f"{namespace}:{tag}"
    yaml_doc['manifests'] = []
    for arch in archs:
        arch_dict = {
            'image': f"{namespace}:{tag}-{arch[0]}",
            'platform': {
                'architecture': arch[1],
                'os': arch[3]
            }
        }
        if arch[2]:
                arch_dict['platform']['variant'] = arch[2]
        yaml_doc['manifests'].append(arch_dict)
    yaml_arr.append(yaml_doc)

with open(f"{org}-{project}.yaml", 'w') as yaml_file:
    yaml.dump_all(yaml_arr, yaml_file, default_flow_style=False)

# image: pyouroboros/ouroboros:latest
# manifests:
# - image: pyouroboros/ouroboros:latest-amd64
#   platform:
#     architecture: amd64
#     os: linux
# - image: pyouroboros/ouroboros:latest-armel
#   platform:
#     architecture: arm
#     os: linux
#     variant: v6
# - image: pyouroboros/ouroboros:latest-armhf
#   platform:
#     architecture: arm
#     os: linux
#     variant: v7
# - image: pyouroboros/ouroboros:latest-arm64
#   platform:
#     architecture: arm64
#     os: linux
#     variant: v8
# ---
# image: pyouroboros/ouroboros:0.5.0
# manifests:
# - image: pyouroboros/ouroboros:0.5.0-amd64
#   platform:
#     architecture: amd64
#     os: linux
# - image: pyouroboros/ouroboros:0.5.0-armel
#   platform:
#     architecture: arm
#     os: linux
#     variant: v6
# - image: pyouroboros/ouroboros:0.5.0-armhf
#   platform:
#     architecture: arm
#     os: linux
#     variant: v7
# - image: pyouroboros/ouroboros:0.5.0-arm64
#   platform:
#     architecture: arm64
#     os: linux
#     variant: v8