Class: HeadChef::Cookbook

Inherits:
Object
  • Object
show all
Defined in:
lib/head_chef/cookbook.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, berkshelf_version, chef_version) ⇒ Cookbook

Returns a new instance of Cookbook.



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# File 'lib/head_chef/cookbook.rb', line 12

def initialize(name, berkshelf_version, chef_version)
  @name = name
  @berkshelf_version = berkshelf_version
  @chef_version = chef_version
end

Instance Attribute Details

#berkshelf_version ⇒ Object (readonly)

Berkshelf.lock version



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# File 'lib/head_chef/cookbook.rb', line 9

def berkshelf_version
  @berkshelf_version
end

#chef_version ⇒ Object (readonly)

Chef server version



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# File 'lib/head_chef/cookbook.rb', line 10

def chef_version
  @chef_version
end

#name ⇒ Object (readonly)

@TODO: add enum for methods



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# File 'lib/head_chef/cookbook.rb', line 8

def name
  @name
end

Instance Method Details

#diff ⇒ Object

Returns true if upload will have no conflicts, false otherwise



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# File 'lib/head_chef/cookbook.rb', line 19

def diff
  # Get file checksums from chef server
  cookbook_resource = HeadChef.chef_server.cookbook.find(@name, @berkshelf_version)
  # Cookbook not present on chef server
  return true unless cookbook_resource

  # Get cookbook from berkshelf cookbook cache
  # NOTE: requires berks install/update to be run to ensure cache is
  # populate from lockfile
  # NOTE: Berkshelf 3.0 can load cookbooks from lockfile without loading
  # cache
  # User manage berksfile? For now, yes
  berkshelf_cookbook = HeadChef.berksfile.cached_cookbooks.find do |cb|
    cb.name == "#{@name}-#{@berkshelf_version}"
  end
  # Cookbook will not be uploaded since it is not in Berksfile.lock
  return true unless berkshelf_cookbook

  cookbook_files_mashes = files_from_manifest(cookbook_resource.manifest)

  # Diff file lists
  cookbook_files = Set.new(cookbook_files_mashes.map(&:path))
  berkshelf_files = Set.new(remove_ignored_files(berkshelf_cookbook.path))

  return false unless berkshelf_files == cookbook_files

  # Diff file contents
  cookbook_files_mashes.each do |cookbook_file_mash|
    berkshelf_cookbook_file = "#{berkshelf_cookbook.path}/#{cookbook_file_mash.path}"
    berkshelf_cookbook_checksum = checksum_file(berkshelf_cookbook_file) if File.exists?(berkshelf_cookbook_file)

    return false unless berkshelf_cookbook_checksum == cookbook_file_mash.checksum
  end

  true
end

#to_s ⇒ Object 



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# File 'lib/head_chef/cookbook.rb', line 56

def to_s
  if @chef_version && @berkshelf_version && (@chef_version != @berkshelf_version)
    "#{@name}: #{@chef_version} => #{@berkshelf_version}"
  else
    "#{@name}: #{@chef_version || @berkshelf_version}"
  end
end