Class: Heirloom::CLI::Download

Inherits:
Object
  • Object
show all
Includes:
Shared
Defined in:
lib/heirloom/cli/download.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Shared

#ensure_archive_domain_empty, #ensure_archive_exists, #ensure_buckets_available, #ensure_buckets_exist, #ensure_catalog_domain_exists, #ensure_directory_is_writable, #ensure_domain_exists, #ensure_entry_does_not_exist_in_catalog, #ensure_entry_exists_in_catalog, #ensure_metadata_in_upload_region, #ensure_path_is_directory, #ensure_valid_bucket_prefix, #ensure_valid_metadata_region, #ensure_valid_name, #ensure_valid_options, #ensure_valid_region, #ensure_valid_regions, #ensure_valid_secret, #latest_id, #load_config, #read_secret

Constructor Details

#initialize ⇒ Download

Returns a new instance of Download.



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# File 'lib/heirloom/cli/download.rb', line 11

def initialize
  @opts = read_options
  @logger = HeirloomLogger.new :log_level => @opts[:level]
  @config = load_config :logger => @logger,
                        :opts   => @opts

  ensure_valid_options :provided => @opts,
                       :required => [:name, :output],
                       :config   => @config

  @catalog = Heirloom::Catalog.new :name    => @opts[:name],
                                   :config  => @config

  # Determine if we can download directly from S3
  # Or if we need to query additional information from the catalog
  validate_or_bypass_catalog

  # Lookup id, region & bucket_prefix from simpledb unless specified
  # Can't use fetch as Trollop sets :id to nil
  @region        = @opts[:region] || @catalog.regions.first
  @bucket_prefix = @opts[:bucket_prefix] || @catalog.bucket_prefix
  id             = @opts[:id] || (latest_id :name   => @opts[:name],
                                            :config => @config)

  @archive = Archive.new :name   => @opts[:name],
                         :config => @config,
                         :id     => id
end

Class Method Details

.command_summary ⇒ Object 



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# File 'lib/heirloom/cli/download.rb', line 7

def self.command_summary
  'Download Heirloom'
end

Instance Method Details

#download ⇒ Object 



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# File 'lib/heirloom/cli/download.rb', line 40

def download
  ensure_path_is_directory     :path => @opts[:output], :config => @config
  ensure_directory_is_writable :path => @opts[:output], :config => @config
  secret = read_secret :opts   => @opts,
                       :config => @config
  archive = @archive.download :output        => @opts[:output],
                              :extract       => @opts[:extract],
                              :region        => @region,
                              :bucket_prefix => @bucket_prefix,
                              :secret        => secret
  exit 1 unless archive
end