Class: Dapp::Dimg::GitArtifact

Inherits:
Object
  • Object
show all
Includes:
Helper::Tar
Defined in:
lib/dapp/dimg/git_artifact.rb

Overview

Git repo artifact

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Helper::Tar

#tar_gz_read, #tar_read, #tar_write

Constructor Details

#initialize(repo, to:, name: nil, branch: nil, commit: nil, cwd: nil, include_paths: nil, exclude_paths: nil, owner: nil, group: nil, stages_dependencies: {}) ⇒ GitArtifact

rubocop:disable Metrics/ParameterLists



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# File 'lib/dapp/dimg/git_artifact.rb', line 13

def initialize(repo, to:, name: nil, branch: nil, commit: nil,
               cwd: nil, include_paths: nil, exclude_paths: nil, owner: nil, group: nil,
               stages_dependencies: {})
  @repo = repo
  @name = name

  @branch = branch || repo.dimg.dapp.options[:git_artifact_branch] || repo.branch
  @commit = commit

  @to = to
  @cwd = (cwd.nil? || cwd.empty? || cwd == '/') ? '' : File.expand_path(File.join('/', cwd, '/'))[1..-1]
  @include_paths = include_paths
  @exclude_paths = exclude_paths
  @owner = owner
  @group = group

  @stages_dependencies = stages_dependencies
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/dapp/dimg/git_artifact.rb', line 8

def name
  @name
end

#repo ⇒ Object (readonly)

Returns the value of attribute repo.



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# File 'lib/dapp/dimg/git_artifact.rb', line 7

def repo
  @repo
end

Instance Method Details

#apply_archive_command(stage) ⇒ Object 



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# File 'lib/dapp/dimg/git_artifact.rb', line 63

def apply_archive_command(stage)
  [].tap do |commands|
    if archive_any_changes?(stage)
      case cwd_type(stage)
      when :directory
        stage.image.add_service_change_label :"dapp-git-#{paramshash}-type" => 'directory'

        commands << "#{repo.dimg.dapp.install_bin} #{credentials.join(' ')} -d \"#{to}\""
        commands << "#{sudo}#{repo.dimg.dapp.tar_bin} -xf #{archive_file(stage, *archive_stage_commits(stage))} -C \"#{to}\""
      when :file
        stage.image.add_service_change_label :"dapp-git-#{paramshash}-type" => 'file'

        commands << "#{repo.dimg.dapp.install_bin} #{credentials.join(' ')} -d \"#{File.dirname(to)}\""
        commands << "#{sudo}#{repo.dimg.dapp.tar_bin} -xf #{archive_file(stage, *archive_stage_commits(stage))} -C \"#{File.dirname(to)}\""
      end
    end
  end
end

#apply_patch_command(stage) ⇒ Object 



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# File 'lib/dapp/dimg/git_artifact.rb', line 86

def apply_patch_command(stage)
  [].tap do |commands|
    if dev_mode?
      if any_changes?(*dev_patch_stage_commits(stage))
        case archive_type
        when :directory
          changed_files = diff_patches(*dev_patch_stage_commits(stage)).map {|p| "\"#{File.join(to, cwd, p.delta.new_file[:path])}\""}
          commands << "#{repo.dimg.dapp.rm_bin} -rf #{changed_files.join(' ')}"
          commands << "#{repo.dimg.dapp.install_bin} #{credentials.join(' ')} -d \"#{to}\""
          commands << "#{sudo}#{repo.dimg.dapp.tar_bin} -xf #{archive_file(stage, *dev_patch_stage_commits(stage))} -C \"#{to}\""
        when :file
          commands << "#{repo.dimg.dapp.rm_bin} -rf \"#{to}\""
          commands << "#{repo.dimg.dapp.install_bin} #{credentials.join(' ')} -d \"#{File.dirname(to)}\""
          commands << "#{sudo}#{repo.dimg.dapp.tar_bin} -xf #{archive_file(stage, *dev_patch_stage_commits(stage))} -C \"#{File.dirname(to)}\""
        else
          raise
        end
      end
    else
      if patch_any_changes?(stage)
        case archive_type
        when :directory
          commands << "#{repo.dimg.dapp.install_bin} #{credentials.join(' ')} -d \"#{to}\""
          commands << "#{sudo}#{repo.dimg.dapp.git_bin} apply --whitespace=nowarn --directory=\"#{to}\" --unsafe-paths #{patch_file(stage, *patch_stage_commits(stage))}"
        when :file
          commands << "#{repo.dimg.dapp.install_bin} #{credentials.join(' ')} -d \"#{File.dirname(to)}\""
          commands << "#{sudo}#{repo.dimg.dapp.git_bin} apply --whitespace=nowarn --directory=\"#{File.dirname(to)}\" --unsafe-paths #{patch_file(stage, *patch_stage_commits(stage))}"
        else
          raise
        end
      end
    end
  end
end

#archive_any_changes?(stage) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dapp/dimg/git_artifact.rb', line 189

def archive_any_changes?(stage)
  any_changes?(*archive_stage_commits(stage))
end

#archive_type ⇒ Object 



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# File 'lib/dapp/dimg/git_artifact.rb', line 82

def archive_type
  repo.dimg.stage_by_name(:g_a_archive).image.labels["dapp-git-#{paramshash}-type"].to_s.to_sym
end

#cwd_type(stage) ⇒ Object

rubocop:enable Metrics/ParameterLists



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# File 'lib/dapp/dimg/git_artifact.rb', line 33

def cwd_type(stage)
  if dev_mode?
    p = repo.workdir_path.join(cwd)
    if p.exist?
      if p.directory?
        :directory
      else
        :file
      end
    end
  elsif cwd == ''
    :directory
  else
    commit = repo.lookup_commit(stage.layer_commit(self))

    cwd_entry = begin
      commit.tree.path(cwd)
    rescue Rugged::TreeError
    end

    if cwd_entry
      if cwd_entry[:type] == :tree
        :directory
      else
        :file
      end
    end
  end
end

#dev_patch_hash(stage) ⇒ Object 



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# File 'lib/dapp/dimg/git_artifact.rb', line 169

def dev_patch_hash(stage)
  return unless dev_mode?

  Digest::SHA256.hexdigest(diff_patches(latest_commit, nil).map do |patch|
    change_patch_new_file_path(stage, patch)
  end.join(':::'))
end

#full_name ⇒ Object 



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# File 'lib/dapp/dimg/git_artifact.rb', line 185

def full_name
  "#{repo.name}#{name ? "_#{name}" : nil}"
end

#latest_commit ⇒ Object 



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# File 'lib/dapp/dimg/git_artifact.rb', line 177

def latest_commit
  @latest_commit ||= (commit || repo.latest_commit(branch))
end

#paramshash ⇒ Object 



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# File 'lib/dapp/dimg/git_artifact.rb', line 181

def paramshash
  Digest::SHA256.hexdigest [full_name, to, cwd, *include_paths, *exclude_paths, owner, group].map(&:to_s).join(':::')
end

#patch_any_changes?(stage) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dapp/dimg/git_artifact.rb', line 193

def patch_any_changes?(stage)
  any_changes?(*patch_stage_commits(stage))
end

#patch_size(from_commit, to_commit) ⇒ Object 



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# File 'lib/dapp/dimg/git_artifact.rb', line 152

def patch_size(from_commit, to_commit)
  diff_patches(from_commit, to_commit).reduce(0) do |bytes, patch|
    patch.hunks.each do |hunk|
      hunk.lines.each do |l|
        bytes +=
          case l.line_origin
          when :eof_newline_added, :eof_newline_removed then 1
          when :addition, :deletion, :binary            then l.content.size
          else # :context, :file_header, :hunk_header, :eof_no_newline
            0
          end
      end
    end
    bytes
  end
end

#stage_dependencies_checksum(stage) ⇒ Object 



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# File 'lib/dapp/dimg/git_artifact.rb', line 121

def stage_dependencies_checksum(stage)
  return [] if (stage_dependencies = stages_dependencies[stage.name]).empty?

  paths = (include_paths(true) + base_paths(stage_dependencies, true)).uniq
  to_commit = dev_mode? ? nil : latest_commit

  stage_dependencies_key = [stage.name, to_commit]
  @stage_dependencies_checksums ||= {}
  @stage_dependencies_checksums[stage_dependencies_key] = begin
    if @stage_dependencies_checksums.key?(stage_dependencies_key)
      @stage_dependencies_checksums[stage_dependencies_key]
    else
      if (patches = diff_patches(nil, to_commit, paths: paths)).empty?
        repo.dimg.dapp.log_warning(desc: { code: :stage_dependencies_not_found,
                                           data: { repo: repo.respond_to?(:url) ? repo.url : 'local',
                                                   dependencies: stage_dependencies.join(', ') } })
      end

      patches.sort_by {|patch| patch.delta.new_file[:path]}
        .reduce(nil) {|prev_hash, patch|
        Digest::SHA256.hexdigest [
          prev_hash,
          patch.delta.new_file[:path],
          patch.delta.new_file[:mode].to_s,
          patch.to_s
        ].compact.join(':::')
      }
    end
  end
end