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It’s about time to pack Ruby and Ruby scripts ...
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ahogappa
May 16, 2024
Programming
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4.2k
It’s about time to pack Ruby and Ruby scripts in one binary
ahogappa
May 16, 2024
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Transcript
It’s about time to pack Ruby and Ruby scripts in
one binary RubyKaigi 2024 ahogappa
About me • Sho Hirano(@ahogappa) • STORES, Inc. • #FFF613
2
What’s one binary? 3
What’s one binary? Works perfectly with just one file 4
Why one binary? 5
Why one binary in Ruby? 6
Why one binary in Ruby? e.g. distributing a Ruby project
7
Why one binary in Ruby? 💻 💻 developer user 8
Why one binary in Ruby? 💻 a.rb a.rb a.rb a.rb
💻 developer user 9
Why one binary in Ruby? 💻 a.rb a.rb a.rb a.rb
💻 Ruby 3.3.0 Sinatra 4.0.0 Sqlite3 2.0.1 developer user 10
Why one binary in Ruby? 💻 a.rb a.rb a.rb a.rb
💻🚫 Ruby 3.3.0 Sinatra 4.0.0 Sqlite3 2.0.1 Ruby 3.0.0 Sinatra 3.2.0 Sqlite3 Not installed developer user 11
Why one binary in Ruby? 💻 💻 Ruby 3.3.0 Sinatra
4.0.0 Sqlite3 2.0.1 developer user 12 Ruby 3.0.0 Sinatra 3.2.0 Sqlite3 Not installed
Why one binary in Ruby? 💻 💻 one binary developer
user Ruby 3.3.0 Sinatra 4.0.0 Sqlite3 2.0.1 13 Ruby 3.0.0 Sinatra 3.2.0 Sqlite3 Not installed
Why one binary in Ruby? 💻 💻✔ one binary Ruby
3.3.1 Sinatra 4.0.0 Sqlite3 2.0.1 a.rb a.rb a.rb a.rb developer user Ruby 3.3.1 Sinatra 4.0.0 Sqlite3 2.0.1 14 Ruby 3.0.0 Sinatra 3.2.0 Sqlite3 Not installed
Any existing tools? 15
Any existing tools? • ocra(ocran) • exerb • ruby2exe •
ruby-packer 16
🤔 Existing tools look good and useful 17
Existing tools look good and useful, but • No support
for 3.0+ • Patches Ruby • Windows only • Write temporary files 18
Time to make new one! 😄 19
Done 🔧 20
Kompo 📦 21
Kompo • 梱包(こんぽう) ◦ Means packaging, packing • A word
play on “compo” ◦ compose ◦ component ◦ composite ◦ etc… 22 https://github.com/ahogappa0613/kompo
Demo One binary with Sinatra and Sqlite3 23
Features 24
Features • Monkey patch only, not patching Ruby • No
write temporary files • Supports Gemfile • Reads local file as a fallback when failing to read from vfs 25
Demo Reads local file as a fallback when failing to
read from vfs 26
How kompo works 27
How kompo works • Ruby scripts are embedded • Patch
methods that read Ruby scripts ◦ Kernel#require ◦ Kernel#require_relative ◦ Kernel#load ◦ Kernel#autoload, Module#autoload • Native extensions are statically linked 28
29 libruby-static.a
30 libruby-static.a native extensions
main.c 31 libruby-static.a native extensions void Init_gems(void) { ruby_init_ext( "puma/puma_http11.so",
Init_puma_http11 ); ruby_init_ext( "sqlite3/sqlite3_native.so", Init_sqlite3_native ); } int main(int argc, char **argv) { ruby_sysinit(&argc, &argv); ruby_init(); Init_gems(); Init_kompo_fs(); … return ruby_run_node(node); }
main.c 32 kompofs.o +patches libruby-static.a native extensions
33 class Kompo def get_file(abs_path) # return the ruby script
from kompofs(.o) end … end main.c libruby-static.a native extensions kompofs.o +patches libkompo.a
main.c libkompo.a 34 libruby-static.a kompofs.o +patches native extensions one binary
compile and link libruby-static.a
Patches 35
Patches libruby-static.a main.rb b.rb d.rb a.rb Kernel#require Kernel#require_relative c.so 36
Patches libruby-static.a main.rb b.rb d.rb a.rb Kernel#require Kernel#require_relative c.so $
cd /workspace/sample $ kompo a.rb b.rb 37
Patches libruby-static.a main.rb b.rb Kernel#require Kernel#require_relative d.rb a.rb c.so 38
kompofs.o
Patches Ruby main.rb b.rb Kernel#require Kernel#require_relative c.o d.rb a.rb one
binary libkompo.a 39 main.c kompofs.o
Patches Ruby main.rb b.rb 🪡Kernel#require 🪡Kernel#require_relative c.o d.rb a.rb one
binary libkompo.a 40 module Kernel def require(path) eval(Kompo.get_file(path)) rescue => LoadError original_require(path) main.c kompofs.o
Patches Ruby main.rb b.rb 🪡Kernel#require 🪡Kernel#require_relative c.o d.rb a.rb one
binary require ‘a’ require_relative ‘./b’ require ‘c’ require ‘d’ libkompo.a 41 module Kernel def require(path) eval(Kompo.get_file(path)) rescue => LoadError original_require(path) main.c kompofs.o
Patches Ruby main.rb b.rb 🪡Kernel#require 🪡Kernel#require_relative c.o d.rb a.rb one
binary libkompo.a 42 module Kernel def require(path) eval(Kompo.get_file(path)) rescue => LoadError original_require(path) kompofs.o require ‘a’ require_relative ‘./b’ require ‘c’ require ‘d’ main.c
Future Works 43
Future Works • Support ways for users to access kompofs
freely • Cross-compilation • File compression 44
Let’s kompo Ruby! 45
Thank you!! 46