Ruby tools for Infrastructure Engineer (hbstyle-2014-0612)

Transcript

1. Ruby tools for Infrastructure Engineer
2. RSpec
3. RSpec 4 RSpec is testing tool for the Ruby programming language. 4 Ruby ͷςεςΟϯάϑϨʔϜϫʔΫɻ 4 Serverspec ΍ Infrataster ౳ͷ࠷ۙ࿩୊ͷ Infrastructure testing framework Ͱ΋࢖ΘΕ͍ͯΔɻ ࠷ۙ 3.0rc1 ͕ग़ͨɻ
4. Serverspec
5. Serverspec Infrastructure testing framework cat spec/target.example.jp/http_spec.rb require 'spec_helper' describe package('httpd') do it { should be_installed } end 4 rspec 4 describe, it, its ... ͰςετΛॻ͍͍ͯ͘ 4 http://serverspec.org/resource_types.html
6. Serverspec Run test $ rake spec /usr/bin/ruby -S rspec spec/www.example.jp/httpd_spec.rb ...... : 4 rake?
7. Rake 4 Ruby ੡Ϗϧυπʔϧ 4 Make ͱΑ͘ࣅͨػೳ͕͔ͭ͑Δ 4 "λεΫ" ͱ͍͏جຊ୯ҐͰԿ͔Λ࣮ߦ͢Δ
8. Rakefile require 'rake' require 'rspec/core/rake_task' RSpec::Core::RakeTask.new(:spec) do |t| t.pattern = 'spec/*/*_spec.rb' end task :default => :spec 4 spec ͱ͍͏໊લͷλεΫ͕ఆٛ͞Ε͍ͯΔ 4 λεΫҰཡ͸ rake -T ͰݟΕΔ
9. spec_helper.rb 4 ςετͰ࢖͏ڞ௨ͷઃఆΛॻ͘ 4 serverspec Ͱ͸ɺserverspec Ͱ࢖͏ sudo password ΍ ssh ઌ host ͷఆٛ౳͕ॻ͔Ε͍ͯΔ 4 host = File.basename(Pathname.new(file).dirname) 4 σϑΥϧτͩͱσΟϨΫτϦͷ໊લ͕ϗετ໊ʹͳΔ 8 -rw-r--r-- 1 staff 848 6 12 18:32 spec_helper.rb 0 drwxr-xr-x 3 staff 102 6 12 18:32 target.example.com ← ͜Ε
10. Tips
11. Tips Rake ӽ͠ʹ Rspec ΁ͷҾ਺Λ౉͢ rake spec SPEC_OPTS="--format documentation" ৗʹಉ͡Φϓγϣϯ͕࢖͍͍ͨ echo "--color" >> .rspec # ৭͕ͭ͘ 4 ੲ͸ spec.opts ͩͬͨ
12. ग़ྗϑΥʔϚοτ 4 --format 4 documentation 4 progress 4 html
13. ςετͷϑΟϧλϦϯά 4 ৭ʑͳঢ়ଶʹΑ͍ͬͯͨ͠/ͨ͘͠ͳ͍ςετ͕͋Δ 4 --tag ΦϓγϣϯΛ࢖͏ 4 --tag <tag_name> 4 <tag_name> ͷ͍͍ͭͯΔςετͷΈ࣮ߦ͢Δ 4 --tag ~<tag_name> 4 <tag_name> ͷ͍͍ͭͯΔςετΛআ֎͢Δ 4 ଞʹ΋৭ʑग़དྷΔ
14. Usage rake spec SPEC_OPTS="--format documentation --tag ~web" 4 ͜Μͳײ͡Ͱ࢖͏ ࣮ࡍʹҊ݅Ͱ࢖͍ͬͯΔ༷ࢠΛ͝঺հ
15. Enjoy test! and reduce mistakes!