Files

85 lines
3.8 KiB
Ruby

require_relative 'release-metadata'
# 构建和验证可以并行;调用方必须在仓库级发布锁内执行本脚本
module ReleasePublication
def self.run(*command)
output, error, status = Open3.capture3(*command)
raise "#{command.first} failed: #{error.strip}" unless status.success?
output.strip
end
def self.latest_release(repository)
output, error, status = Open3.capture3('gh', 'api', '--include', "repos/#{repository}/releases/latest")
code = output.lines.first.to_s.split[1]
return nil if code == '404'
raise "Cannot read latest GitHub release: #{error.strip}" unless status.success? && code == '200'
JSON.parse(output.split(/\r?\n\r?\n/, 2).fetch(1)).fetch('tag_name')
end
def self.latest_image(image)
ref = "#{image}:latest"
output, error, status = Open3.capture3('docker', 'buildx', 'imagetools', 'inspect', ref, '--format', '{{json .Image}}')
# 只把明确的缺失标签当作首次发布,鉴权和网络错误必须终止提升
return nil if !status.success? && error.include?("#{ref}: not found")
raise "Cannot read latest image: #{error.strip}" unless status.success?
versions = JSON.parse(output).values.map do |config|
config.fetch('config').fetch('Labels').fetch('org.opencontainers.image.version')
end.uniq
raise 'Latest image must have one consistent version across platforms' unless versions.length == 1
versions.first
end
def self.can_promote?(version, current_versions)
return false if ReleaseMetadata.prerelease?(version)
current_versions.compact.all? do |current|
raise "Latest points to a prerelease: #{current}" if ReleaseMetadata.prerelease?(current)
comparison = ReleaseMetadata.sort_key(version) <=> ReleaseMetadata.sort_key(current)
# 构建元数据不决定版本先后;同优先级只允许相同版本重试
comparison.positive? || (comparison.zero? && ReleaseMetadata.version(current) == version)
end
end
def self.tag(image, digest, name)
ref = "#{image}:#{name}"
run('docker', 'buildx', 'imagetools', 'create', '-t', ref, "#{image}@#{digest}")
actual = run('docker', 'buildx', 'imagetools', 'inspect', ref, '--format', '{{.Manifest.Digest}}')
raise "Promoted image digest changed: #{ref}" unless actual == digest
end
def self.publish(version:, image:, digest:, repository:, release_id:)
version = ReleaseMetadata.version(version)
raise 'Invalid image digest' unless digest.match?(/\Asha256:[a-f0-9]{64}\z/)
raise 'Invalid GitHub release ID' unless release_id.match?(/\A\d+\z/)
endpoint = "repos/#{repository}/releases/#{release_id}"
# 附件上传及镜像证明、签名已完成,再公开版本入口;失败可从本 job 重跑
tag(image, digest, version.tr('+', '-'))
run('gh', 'api', '--method', 'PATCH', endpoint, '-F', 'draft=false', '-f', 'make_latest=false')
return if ReleaseMetadata.prerelease?(version)
current_versions = [latest_release(repository), latest_image(image)]
unless can_promote?(version, current_versions)
puts "Published #{version}; latest remains at #{current_versions.compact.join(', ')}"
return
end
# 两个服务不能原子更新;同时检查两侧版本,让失败重试可以补齐而旧版不能回退
tag(image, digest, 'latest')
run('gh', 'api', '--method', 'PATCH', endpoint, '-f', 'make_latest=true')
puts "Published #{version} and promoted latest"
end
end
if $PROGRAM_NAME == __FILE__
begin
ReleasePublication.publish(
version: ENV.fetch('VERSION'), image: "#{ENV.fetch('REGISTRY')}/#{ENV.fetch('IMAGE_NAME')}",
digest: ENV.fetch('DIGEST'), repository: ENV.fetch('GITHUB_REPOSITORY'),
release_id: ENV.fetch('RELEASE_ID')
)
rescue StandardError => error
warn "error: #{error.message}"
exit 1
end
end