Module: Dapp::Dimg::Dapp::Command::CleanupRepo

Included in:
Dapp
Defined in:
lib/dapp/dimg/dapp/command/cleanup_repo.rb

Constant Summary collapse

DATE_POLICY = 
Time.now.to_i - 60 * 60 * 24 * 30
GIT_TAGS_LIMIT_POLICY = 
10

Instance Method Summary collapse

Instance Method Details

#actual_detailed_dimgs_images_by_scheme(registry) ⇒ Object 



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# File 'lib/dapp/dimg/dapp/command/cleanup_repo.rb', line 28

def actual_detailed_dimgs_images_by_scheme(registry)
  {}.tap do |detailed_dimgs_images_by_scheme|
    tagging_schemes.each { |scheme| detailed_dimgs_images_by_scheme[scheme] = [] }
    repo_detailed_dimgs_images(registry).each do |image|
      next unless repo_dimg_image_should_be_ignored?(image)
      (detailed_dimgs_images_by_scheme[image[:labels]['dapp-tag-scheme']] ||= []) << image
    end
  end
end

#cleanup_repo ⇒ Object 



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# File 'lib/dapp/dimg/dapp/command/cleanup_repo.rb', line 9

def cleanup_repo
  lock_repo(repo = option_repo) do
    log_step_with_indent(repo) do
      registry = dimg_registry(repo)

      if git_own_repo_exist?
        cleanup_repo_by_nonexistent_git_primitive(registry, actual_detailed_dimgs_images_by_scheme(registry))
        cleanup_repo_by_policies(registry, actual_detailed_dimgs_images_by_scheme(registry))
      end

      begin
        repo_dimgs      = repo_dimgs_images(registry)
        repo_dimgstages = repo_dimgstages_images(registry)
        repo_dimgstages_cleanup(registry, repo_dimgs, repo_dimgstages)
      end if with_stages?
    end
  end
end

#cleanup_repo_by_nonexistent_git_base(repo_dimgs_images_by_scheme, dapp_tag_scheme) ⇒ Object 



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# File 'lib/dapp/dimg/dapp/command/cleanup_repo.rb', line 68

def cleanup_repo_by_nonexistent_git_base(repo_dimgs_images_by_scheme, dapp_tag_scheme)
  return if repo_dimgs_images_by_scheme[dapp_tag_scheme].empty?
  log_step_with_indent(:"nonexistent #{dapp_tag_scheme.split('_').join(' ')}") do
    repo_dimgs_images_by_scheme[dapp_tag_scheme]
      .select { |dimg_image| dimg_image[:labels]['dapp-tag-scheme'] == dapp_tag_scheme }
      .each { |dimg_image| yield dimg_image }
  end
end

#cleanup_repo_by_nonexistent_git_primitive(registry, detailed_dimgs_images_by_scheme) ⇒ Object 



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# File 'lib/dapp/dimg/dapp/command/cleanup_repo.rb', line 44

def cleanup_repo_by_nonexistent_git_primitive(registry, detailed_dimgs_images_by_scheme)
  %w(git_tag git_branch git_commit).each do |scheme|
    cleanup_repo_by_nonexistent_git_base(detailed_dimgs_images_by_scheme, scheme) do |detailed_dimg_image|
      delete_repo_image(registry, detailed_dimg_image) unless begin
        case scheme
          when 'git_tag'    then consistent_git_tags.include?(detailed_dimg_image[:tag])
          when 'git_branch' then consistent_git_remote_branches.include?(detailed_dimg_image[:tag])
          when 'git_commit' then git_own_repo.commit_exists?(detailed_dimg_image[:tag])
          else
            raise
        end
      end
    end unless detailed_dimgs_images_by_scheme[scheme].empty?
  end
end

#cleanup_repo_by_policies(registry, detailed_dimgs_images_by_scheme) ⇒ Object 



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# File 'lib/dapp/dimg/dapp/command/cleanup_repo.rb', line 77

def cleanup_repo_by_policies(registry, detailed_dimgs_images_by_scheme)
  %w(git_tag git_commit).each_with_object([]) do |scheme, dimgs_images|
    dimgs_images.concat begin
      detailed_dimgs_images_by_scheme[scheme].map do |dimg|
        next if dry_run? && begin
          if scheme == 'git_tag'
            !consistent_git_tags.include?(dimg[:tag])
          elsif scheme == 'git_commit'
            !git_own_repo.commit_exists?(dimg[:tag])
          end
        end

        dimg[:created_at] = begin
          if scheme == 'git_tag'
            git_own_repo.tag_at(git_tag_by_consistent_git_tag(dimg[:tag]))
          elsif scheme == 'git_commit'
            git_own_repo.commit_at(dimg[:tag])
          end
        end
        dimg
      end.compact
    end
  end.tap do |detailed_dimgs_images|
    sorted_detailed_dimgs_images = detailed_dimgs_images.sort_by { |dimg| dimg[:created_at] }
    expired_dimgs_images, not_expired_dimgs_images = sorted_detailed_dimgs_images.partition do |dimg_image|
      dimg_image[:created_at] < DATE_POLICY
    end

    log_step_with_indent(:"date policy (before #{DateTime.strptime(DATE_POLICY.to_s, '%s')})") do
      expired_dimgs_images.each { |dimg| delete_repo_image(registry, dimg) }
    end

    {}.tap do |images_by_dimg|
      not_expired_dimgs_images.each { |dimg| (images_by_dimg[dimg[:dimg]] ||= []) << dimg }
      images_by_dimg.each do |dimg, images|
        log_step_with_indent(:"limit policy (> #{GIT_TAGS_LIMIT_POLICY}) (`#{dimg}`)") do
          images[GIT_TAGS_LIMIT_POLICY..-1].each { |dimg| delete_repo_image(registry, dimg) }
        end unless images[GIT_TAGS_LIMIT_POLICY..-1].nil?
      end
    end
  end
end

#consistent_git_remote_branches ⇒ Object 



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# File 'lib/dapp/dimg/dapp/command/cleanup_repo.rb', line 64

def consistent_git_remote_branches
  @consistent_git_remote_branches ||= git_own_repo.remote_branches.map(&method(:consistent_uniq_slugify))
end

#consistent_git_tags ⇒ Object 



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# File 'lib/dapp/dimg/dapp/command/cleanup_repo.rb', line 60

def consistent_git_tags
  git_tag_by_consistent_tag_name.keys
end

#deployed_docker_images ⇒ Object 



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# File 'lib/dapp/dimg/dapp/command/cleanup_repo.rb', line 128

def deployed_docker_images
  return [] if without_kube?

  # open kube client, get all pods and select containers' images
  ::Dapp::Kube::Kubernetes::Client.tap do |kube|
    config_file = kube.kube_config_path
    unless File.exist?(config_file)
      return []
    end
  end

  client = ::Dapp::Kube::Kubernetes::Client.new

  namespaces = []
  # check connectivity for 2 seconds
  begin
    namespaces = client.namespace_list(excon_parameters: {:connect_timeout => 30})
  rescue Excon::Error::Timeout
    raise ::Dapp::Error::Default, code: :kube_connect_timeout
  end

  # get images from containers from pods from all namespaces.
  @kube_images ||= namespaces['items'].map do |item|
    item['metadata']['name']
  end.map do |ns|
    client.with_namespace(ns) do
      client.pod_list['items'].map do |pod|
        pod['spec']['containers'].map{ |cont| cont['image'] }
      end
    end
  end.flatten.uniq.select do |image|
    image.start_with?(option_repo)
  end
end

#git_tag_by_consistent_git_tag(consistent_git_tag) ⇒ Object 



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# File 'lib/dapp/dimg/dapp/command/cleanup_repo.rb', line 120

def git_tag_by_consistent_git_tag(consistent_git_tag)
  git_tag_by_consistent_tag_name[consistent_git_tag]
end

#git_tag_by_consistent_tag_name ⇒ Object 



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# File 'lib/dapp/dimg/dapp/command/cleanup_repo.rb', line 124

def git_tag_by_consistent_tag_name
  @git_consistent_tags ||= git_own_repo.tags.map { |t| [consistent_uniq_slugify(t), t] }.to_h
end

#repo_dimg_image_should_be_ignored?(image) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dapp/dimg/dapp/command/cleanup_repo.rb', line 38

def repo_dimg_image_should_be_ignored?(image)
  image_repository = [option_repo, image[:dimg]].compact.join('/')
  image_name = [image_repository, image[:tag]].join(':')
  !deployed_docker_images.include?(image_name)
end

#without_kube? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dapp/dimg/dapp/command/cleanup_repo.rb', line 163

def without_kube?
  !!options[:without_kube]
end