class LogStash::Outputs::Swift::TemporaryFile
Wrap the actual file descriptor into an utility classe It make it more OOP and easier to reason with the paths.
Attributes
fd[R]
Public Class Methods
create_from_existing_file(file_path, temporary_folder)
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# File lib/logstash/outputs/swift/temporary_file.rb, line 61 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
new(key, fd, temp_path)
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# File lib/logstash/outputs/swift/temporary_file.rb, line 18 def initialize(key, fd, temp_path) @fd = fd @key = key @temp_path = temp_path @created_at = Time.now end
Public Instance Methods
ctime()
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# File lib/logstash/outputs/swift/temporary_file.rb, line 25 def ctime @created_at end
delete!()
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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.
# File lib/logstash/outputs/swift/temporary_file.rb, line 52 def delete! @fd.close rescue IOError # force close anyway FileUtils.rm_r(@temp_path, :secure => true) end
empty?()
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# File lib/logstash/outputs/swift/temporary_file.rb, line 57 def empty? size == 0 end
key()
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# File lib/logstash/outputs/swift/temporary_file.rb, line 44 def key @key.gsub(/^\//, "") end
size()
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# File lib/logstash/outputs/swift/temporary_file.rb, line 33 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
temp_path()
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# File lib/logstash/outputs/swift/temporary_file.rb, line 29 def temp_path @temp_path end