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Commit 3868a847 authored by Shinya Maeda's avatar Shinya Maeda
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Reorgnize archetecture

parent eb64ecb2
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Showing with 232 additions and 230 deletions
lib/gitlab/ci/trace/chunked_file/chunked_io.rb 0 → 100644
View file @ 3868a847
##
# This class is compatible with IO class (https://ruby-doc.org/core-2.3.1/IO.html)
# source: https://gitlab.com/snippets/1685610
module Gitlab
module Ci
class Trace
module ChunkedFile
class ChunkedIO
WriteError = Class.new(StandardError)
attr_reader :size
attr_reader :tell
attr_reader :chunk, :chunk_range
attr_reader :write_lock_uuid
attr_reader :job_id
alias_method :pos, :tell
def initialize(job_id, size, mode)
@size = size
@tell = 0
@job_id = job_id
if /(w|a)/ =~ mode
@write_lock_uuid = Gitlab::ExclusiveLease.new(write_lock_key, timeout: 5.minutes.to_i).try_obtain
raise WriteError, 'Already opened by another process' unless write_lock_uuid
end
end
def close
Gitlab::ExclusiveLease.cancel(write_lock_key, write_lock_uuid) if write_lock_uuid
end
def binmode
# no-op
end
def binmode?
true
end
def path
nil
end
def seek(pos, where = IO::SEEK_SET)
new_pos =
case where
when IO::SEEK_END
size + pos
when IO::SEEK_SET
pos
when IO::SEEK_CUR
tell + pos
else
-1
end
raise 'new position is outside of file' if new_pos < 0 || new_pos > size
@tell = new_pos
end
def eof?
tell == size
end
def each_line
until eof?
line = readline
break if line.nil?
yield(line)
end
end
def read(length = nil)
out = ""
until eof? || (length && out.length >= length)
data = get_chunk
break if data.empty?
out << data
@tell += data.bytesize
end
out = out[0, length] if length && out.length > length
out
end
def readline
out = ""
until eof?
data = get_chunk
new_line = data.index("\n")
if !new_line.nil?
out << data[0..new_line]
@tell += new_line + 1
break
else
out << data
@tell += data.bytesize
end
end
out
end
def write(data, &block)
raise WriteError, 'Already opened by another process' unless write_lock_uuid
while data.present?
empty_space = BUFFER_SIZE - chunk_offset
chunk_store.open(job_id, chunk_index, params_for_store) do |store|
data_to_write = ''
data_to_write += store.get if store.size > 0
data_to_write += data.slice!(empty_space)
written_size = store.write!(data_to_write)
raise WriteError, 'Written size mismatch' unless data_to_write.length == written_size
block.call(store, chunk_index) if block_given?
@tell += written_size
@size += written_size
end
end
end
def truncate(offset)
raise WriteError, 'Already opened by another process' unless write_lock_uuid
removal_chunk_index_start = (offset / BUFFER_SIZE)
removal_chunk_index_end = chunks_count - 1
removal_chunk_offset = offset % BUFFER_SIZE
if removal_chunk_offset > 0
chunk_store.open(job_id, removal_chunk_index_start, params_for_store) do |store|
store.truncate!(removal_chunk_offset)
end
removal_chunk_index_start += 1
end
(removal_chunk_index_start..removal_chunk_index_end).each do |removal_chunk_index|
chunk_store.open(job_id, removal_chunk_index, params_for_store) do |store|
store.delete!
end
end
@tell = @size = offset
end
def flush
# no-op
end
def present?
true
end
def delete_chunks!
truncate(0)
end
private
##
# The below methods are not implemented in IO class
#
def in_range?
@chunk_range&.include?(tell)
end
def get_chunk
unless in_range?
chunk_store.open(job_id, chunk_index, params_for_store) do |store|
@chunk = store.get
@chunk_range = (chunk_start...(chunk_start + @chunk.length))
end
end
@chunk[chunk_offset..BUFFER_SIZE]
end
def params_for_store
{
buffer_size: BUFFER_SIZE,
chunk_start: chunk_start
}
end
def chunk_offset
tell % BUFFER_SIZE
end
def chunk_start
(tell / BUFFER_SIZE) * BUFFER_SIZE
end
def chunk_end
[chunk_start + BUFFER_SIZE, size].min
end
def chunk_index
(tell / BUFFER_SIZE)
end
def chunks_count
(size / BUFFER_SIZE) + 1
end
def last_chunk?
chunk_index == (chunks_count - 1)
end
def write_lock_key
"live_trace:operation:write:#{job_id}"
end
end
end
end
end
end
lib/gitlab/ci/trace/file/live_trace.rb → lib/gitlab/ci/trace/chunked_file/live_trace.rb
View file @ 3868a847
module Gitlab
module Ci
class Trace
module File
module ChunkedFile
class LiveTrace < ChunkedIO
BUFFER_SIZE = 128.kilobytes
......
lib/gitlab/ci/trace/file/remote.rb → lib/gitlab/ci/trace/chunked_file/remote.rb
View file @ 3868a847
module Gitlab
module Ci
class Trace
module File
module ChunkedFile
class Remote < ChunkedIO
BUFFER_SIZE = 128.kilobytes
......
lib/gitlab/ci/trace/chunked_io.rb deleted 100644 → 0
View file @ eb64ecb2
##
# This class is compatible with IO class (https://ruby-doc.org/core-2.3.1/IO.html)
# source: https://gitlab.com/snippets/1685610
module Gitlab
module Ci
class Trace
class ChunkedIO
WriteError = Class.new(StandardError)
attr_reader :size
attr_reader :tell
attr_reader :chunk, :chunk_range
attr_reader :write_lock_uuid
attr_reader :job_id
alias_method :pos, :tell
def initialize(job_id, size, mode)
@size = size
@tell = 0
@job_id = job_id
if /(w|a)/ =~ mode
@write_lock_uuid = Gitlab::ExclusiveLease.new(write_lock_key, timeout: 5.minutes.to_i).try_obtain
raise WriteError, 'Already opened by another process' unless write_lock_uuid
end
end
def close
Gitlab::ExclusiveLease.cancel(write_lock_key, write_lock_uuid) if write_lock_uuid
end
def binmode
# no-op
end
def binmode?
true
end
def path
nil
end
def seek(pos, where = IO::SEEK_SET)
new_pos =
case where
when IO::SEEK_END
size + pos
when IO::SEEK_SET
pos
when IO::SEEK_CUR
tell + pos
else
-1
end
raise 'new position is outside of file' if new_pos < 0 || new_pos > size
@tell = new_pos
end
def eof?
tell == size
end
def each_line
until eof?
line = readline
break if line.nil?
yield(line)
end
end
def read(length = nil)
out = ""
until eof? || (length && out.length >= length)
data = get_chunk
break if data.empty?
out << data
@tell += data.bytesize
end
out = out[0, length] if length && out.length > length
out
end
def readline
out = ""
until eof?
data = get_chunk
new_line = data.index("\n")
if !new_line.nil?
out << data[0..new_line]
@tell += new_line + 1
break
else
out << data
@tell += data.bytesize
end
end
out
end
def write(data, &block)
raise WriteError, 'Already opened by another process' unless write_lock_uuid
while data.present?
empty_space = BUFFER_SIZE - chunk_offset
chunk_store.open(job_id, chunk_index, params_for_store) do |store|
data_to_write = ''
data_to_write += store.get if store.size > 0
data_to_write += data.slice!(empty_space)
written_size = store.write!(data_to_write)
raise WriteError, 'Written size mismatch' unless data_to_write.length == written_size
block.call(store, chunk_index) if block_given?
@tell += written_size
@size += written_size
end
end
end
def truncate(offset)
raise WriteError, 'Already opened by another process' unless write_lock_uuid
removal_chunk_index_start = (offset / BUFFER_SIZE)
removal_chunk_index_end = chunks_count - 1
removal_chunk_offset = offset % BUFFER_SIZE
if removal_chunk_offset > 0
chunk_store.open(job_id, removal_chunk_index_start, params_for_store) do |store|
store.truncate!(removal_chunk_offset)
end
removal_chunk_index_start += 1
end
(removal_chunk_index_start..removal_chunk_index_end).each do |removal_chunk_index|
chunk_store.open(job_id, removal_chunk_index, params_for_store) do |store|
store.delete!
end
end
@tell = @size = offset
end
def flush
# no-op
end
def present?
true
end
def delete_chunks!
truncate(0)
end
private
##
# The below methods are not implemented in IO class
#
def in_range?
@chunk_range&.include?(tell)
end
def get_chunk
unless in_range?
chunk_store.open(job_id, chunk_index, params_for_store) do |store|
@chunk = store.get
@chunk_range = (chunk_start...(chunk_start + @chunk.length))
end
end
@chunk[chunk_offset..BUFFER_SIZE]
end
def params_for_store
{
buffer_size: BUFFER_SIZE,
chunk_start: chunk_start
}
end
def chunk_offset
tell % BUFFER_SIZE
end
def chunk_start
(tell / BUFFER_SIZE) * BUFFER_SIZE
end
def chunk_end
[chunk_start + BUFFER_SIZE, size].min
end
def chunk_index
(tell / BUFFER_SIZE)
end
def chunks_count
(size / BUFFER_SIZE) + 1
end
def last_chunk?
chunk_index == (chunks_count - 1)
end
def write_lock_key
"live_trace:operation:write:#{job_id}"
end
end
end
end
end
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