Sha256: 495327854d2f804ad0db7330524d7a973c3a2256e938dd3a564f92adfa3d3d3e
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Contents
# encoding: utf-8
require "thread"
require "forwardable"
require "fileutils"
module LogStash
module Outputs
class S3
# Wrap the actual file descriptor into an utility classe
# It make it more OOP and easier to reason with the paths.
class TemporaryFile
extend Forwardable
def_delegators :@fd, :path, :write, :close, :fsync
attr_reader :fd
def initialize(key, fd, temp_path)
@fd = fd
@key = key
@temp_path = temp_path
@created_at = Time.now
end
def ctime
@created_at
end
def temp_path
@temp_path
end
def size
# Use the fd size to get the accurate result,
# so we dont have to deal with fsync
# if the file is close we will use the File::size
begin
@fd.size
rescue IOError
::File.size(path)
end
end
def key
@key.gsub(/^\//, "")
end
# Each temporary file is made inside a directory named with an UUID,
# instead of deleting the file directly and having the risk of deleting other files
# we delete the root of the UUID, using a UUID also remove the risk of deleting unwanted file, it acts as
# a sandbox.
def delete!
@fd.close
::FileUtils.rm_rf(@temp_path, :secure => true)
end
def empty?
size == 0
end
def self.create_from_existing_file(file_path, temporary_folder)
key_parts = Pathname.new(file_path).relative_path_from(temporary_folder).to_s.split(::File::SEPARATOR)
TemporaryFile.new(key_parts.slice(1, key_parts.size).join("/"),
::File.open(file_path, "r"),
::File.join(temporary_folder, key_parts.slice(0, 1)))
end
end
end
end
end
Version data entries
4 entries across 4 versions & 1 rubygems