Module: Cloudkeeper::Entities::ImageFormats::Ova

Included in:
Managers::ImageManager
Defined in:
lib/cloudkeeper/entities/image_formats/ova.rb

Constant Summary collapse

OVF_REGEX = 
/^.+\.ovf$/i
VMDK_REGEX = 
/^.+\.vmdk$/i
ARCHIVE_MAX_FILES = 
100

Instance Method Summary collapse

Instance Method Details

#archive_files(archive) ⇒ Object 



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# File 'lib/cloudkeeper/entities/image_formats/ova.rb', line 15

def archive_files(archive)
  Cloudkeeper::CommandExecutioner.list_archive archive
end

#check_file_count!(files) ⇒ Object

Raises:



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# File 'lib/cloudkeeper/entities/image_formats/ova.rb', line 33

def check_file_count!(files)
  return unless files.count > ARCHIVE_MAX_FILES

  raise Cloudkeeper::Errors::Image::Format::Ova::InvalidArchiveError, "Too many files in archive: #{files.count}. "\
                                                                    "Maximum is #{ARCHIVE_MAX_FILES}"
end

#ova?(archive) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cloudkeeper/entities/image_formats/ova.rb', line 9

def ova?(archive)
  ova_structure?(archive_files(archive))
rescue Cloudkeeper::Errors::CommandExecutionError, Cloudkeeper::Errors::Image::Format::Ova::InvalidArchiveError => ex
  raise Cloudkeeper::Errors::Image::Format::Ova::OvaFormatError, ex
end

#ova_structure?(files) ⇒ Boolean

Returns:

  • (Boolean)

Raises:



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# File 'lib/cloudkeeper/entities/image_formats/ova.rb', line 19

def ova_structure?(files)
  check_file_count! files

  vmdk_count = files.select { |file| VMDK_REGEX =~ file }.count
  ovf_count = files.select { |file| OVF_REGEX =~ file }.count

  raise Cloudkeeper::Errors::Image::Format::Ova::InvalidArchiveError, 'Archive contains multiple drives (VMDK files)' \
    if vmdk_count > 1
  raise Cloudkeeper::Errors::Image::Format::Ova::InvalidArchiveError, 'Archive contains multiple descriptors (OVF files)' \
    if ovf_count > 1

  vmdk_count == 1 && ovf_count == 1
end