Class: Tina::CLI

Inherits:
Thor
  • Object
show all
Defined in:
lib/tina/cli.rb

Instance Method Summary collapse

Instance Method Details

#restore(prefix_file) ⇒ Object



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# File 'lib/tina/cli.rb', line 11

def restore(prefix_file)
  total_storage = options[:total_storage]
  duration = options[:duration]
  keep_days = options[:keep_days]
  duration_in_seconds = parse_duration(duration)

  prefixes = File.readlines(prefix_file).map(&:chomp)
  objects = RestorePlan::ObjectCollection.new(s3_client.list_bucket_prefixes(prefixes))
  restore_plan = RestorePlan.new(total_storage.to_i, objects)
  price = restore_plan.price(duration_in_seconds)
  chunks = objects.chunk(duration_in_seconds)
  say
  say "Restores will be performed in the following chunks:"
  say "-" * 60
  chunks.each_with_index do |chunk, index|
    chunk_size = chunk.map(&:size).reduce(&:+)
    say "#{index+1}) #{chunk.size} objects of total size %.2f GiB / %.2f TiB" % [chunk_size / 1024 ** 3, chunk_size.to_f / 1024 ** 4]
  end
  say "-" * 60
  say "Actual restore time: %i days, %i hours" % [(4 * chunks.size) / 24, (4 * chunks.size) % 24]
  say "Number of objects to restore: #{objects.size}"
  say "Total restore size: %.2f MiB / %.2f GiB / %.2f TiB" % [objects.total_size.to_f / 1024 ** 2, objects.total_size.to_f / 1024 ** 3, objects.total_size.to_f / 1024 ** 4]
  say "Estimated cost: $#{price}"
  say "Days to keep objects on S3: #{keep_days} days"
  say "-" * 60
  say "* Please beware that these costs are not included in estimated cost:"
  say "*   - Cost for %i restore requests" % [objects.size]
  say "*   - Storage on S3 of %.2f GiB during %i days" % [objects.total_size.to_f / 1024 ** 3, keep_days]
  say "-" * 60
  return unless yes?("Do you feel rich? [y/n]", :yellow)
  restore_chunks(chunks, keep_days)
end