Slide 1
Slide 1 text
ItamaeΛָ͘͠͏ͨΊͷ
@k0kubun
itamae meetup #1
Slide 2
Slide 2 text
ࣗݾհ
• Twitter, GitHub: @k0kubun
• Itamaeίϛολʔ
• Cookpad
• 2015ଔ
• ٕज़෦։ൃج൫άϧʔϓ
itamae-kitchen
Slide 3
Slide 3 text
ࣗݾհ
Slide 4
Slide 4 text
ࠓ͢͜ͱ
• ࢲ͕ItamaeʹՃͨ͠ػೳͷհ
• Itamae applyͷলྗԽ
• Itamae applyͷߴԽ
Slide 5
Slide 5 text
ࢲ͕ItamaeʹՃͨ͠ػೳ
Slide 6
Slide 6 text
itamae generate / destroy
• WikiͷϕετϓϥΫςΟεͷεέϧτϯੜ
• itamae [g|generate] [role|cookbook] [NAME]
$ itamae g cookbook ruby
create
create default.rb
create files/.keep
create templates/.keep
ϩά͓͔͍͚͠Ͳ cookbooks/ruby/ ҎԼʹ࡞ΒΕΔ
Slide 7
Slide 7 text
node.yml
• itamae ssh -y node.yml
• node.jsonΛJSONͷ͔ΘΓʹYAMLͰॻ͚Δ
# node.yml
rbenv:
global:
2.2.0
versions:
- 2.2.0
- 2.1.5
Slide 8
Slide 8 text
ϨγϐϓϥάΠϯͷ࣮ߦ
• include_recipe 'foo::bar' ͠ͳͯ͘applyͰ͖Δ
• itamae ssh foo::bar Ͱitamae-plugin-recipe-fooͷ
bar.rb͕࣮ߦ͞ΕΔ
# ྫ
$ itamae local rbenv::user
$ itamae ssh docker::install
Slide 9
Slide 9 text
remote_directory
• σΟϨΫτϦ·ͱΊͯsync
• ͍͔ͭ͘·ͱΊͯૹΓ͍ͨ࣌ʹهड़ָ͕
remote_directory '/etc/apache2' do
source 'apache2'
owner 'root'
group 'root'
mode '755'
action :create
end
Slide 10
Slide 10 text
Ϩγϐهड़ྔͷݮ
• include_recipe ͷҾʹ.rbෆཁʹͨ͠
• include_recipe 'foo.rb' ϨΨγʔίʔυ
• resource pluginͷautoload
• foo resource͕ݺΕͨ࣌ఆٛ͞Εͯͳ͚ΕࣗಈͰ
require itamae/plugin/resource/foo ͞ΕΔ
Slide 11
Slide 11 text
Itamae applyͷলྗԽ
Slide 12
Slide 12 text
Capistranoͷ׆༻
• झຯαʔόʔͷItamae applyʹCapistranoͬͯΔ
• ͍ίϚϯυΛଧͪࠐΈͨ͘ͳ͍
# before
$ itamae ssh -h foo -u user -p port -r --dry-run ./lib/
recipe_helper.rb ./roles/name/default.rb
$ itamae ssh -h foo -u user -p port -r ./lib/recipe_helper.rb
./roles/name/default.rb
# after
$ ROLES=name cap itamae dry-run
$ ROLES=name cap itamae apply
Slide 13
Slide 13 text
Capistranoͷ׆༻
Slide 14
Slide 14 text
Capistranoͷ׆༻
• ެ։ͯ͠Δ࣮ͪ͜Β
• GitHub: k0kubun/itamae-template
• templateσΟϨΫτϦͷதʹ͋Γ·͢
• ߴԽͷͨΊitamae sshΛitamae localʹ͢Δࡶ࣮ೖΓ
• https://github.com/k0kubun/itamae-template/tree/v0.1.4/template
Slide 15
Slide 15 text
Rakeͷ׆༻
• ROLES=name bundle exec cap itamae apply͍ͷͰɺ
rake name͚ͩͰͰ͖ΔΑ͏ʹ͍ͯ͠Δ
• k0kubun/dotfiles ͷapply͕rake͚ͩͰͰ͖Δ
Slide 16
Slide 16 text
Rakeͷ׆༻
$ rake -T
rake apply # apply configuretion for current OS
rake debug # debugging apply for current OS
rake dry-run # dry-run for current OS
rake profile # profile configuration for current OS
rake darwin # configure darwin
rake linux # configure linux
• task default: :apply ʹ͍ͯͯ͠ɺ͔ͭ RakefileͰ
require 'bundler/setup' ͯ͠bundle execলུ
Slide 17
Slide 17 text
Itamae applyͷߴԽ
Slide 18
Slide 18 text
Itamae apply͕͍
• γΣϧεΫϦϓτͰߏཧͯͨ͠dotfilesΛitamaeʹҠ
ߦͨ͠ΒMac༻ͷapply͕5ඵˠ30ඵ͘Β͍ʹ
rake 16.45s user 8.84s system 83% cpu 30.446 total
Slide 19
Slide 19 text
Itamae applyͷϓϩϑΝΠϦϯά
• k0kubun/dotfiles Ͱ rake profile ͢Δͱ stackprof_runner.rb
ΛಡΈࠐΈϞϯΩʔύονͯ͠stackprofΛࠩ͠ࠐΉ
module StackProfRunner
def run(*)
super
StackProf.stop
report = StackProf::Report.new(StackProf.results)
report.print_text(false)
end
end
Itamae::Runner.prepend(StackProfRunner)
require 'stackprof'
StackProf.start(mode: :wall, interval: 4, raw: false)
Slide 20
Slide 20 text
Itamae applyͷϓϩϑΝΠϦϯά
==================================
Mode: wall(4)
Samples: 1763800 (86.86% miss rate)
GC: 20875 (1.18%)
==================================
TOTAL (pct) SAMPLES (pct) FRAME
349300 (19.8%) 336438 (19.1%) Specinfra::Backend::Exec#spawn_command
261870 (14.8%) 261870 (14.8%) String#to_snake_case
74045 (4.2%) 74045 (4.2%) block in Specinfra::Backend::Exec#with_env
65376 (3.7%) 65376 (3.7%) block in Class#subclasses
• ී௨ʹίϚϯυ͕͍
• దʹinclude_recipeΛͬͯΈΔͱhomebrew͕͍
• String#to_snake_case ...?
Slide 21
Slide 21 text
Itamae applyͷϓϩϑΝΠϦϯά
class String
def to_snake_case
self.gsub(/::/, '/').
gsub(/([A-Z]+)([A-Z][a-z])/,'\1_\2').
gsub(/([a-z\d])([A-Z])/,'\1_\2').
tr("-", "_").
downcase
end
end
• ͬͪ͜Ұ୴ݟͳ͔ͬͨ͜ͱʹ͢Δ
Slide 22
Slide 22 text
package resource ͷߴԽ
• brew listܹ
• darwinͷpackage resourceΠϯετʔϧ֬ೝͷͨΊ
ʹຖճbrew listΛୟ͘
Slide 23
Slide 23 text
package resource ͷߴԽ
Slide 24
Slide 24 text
package resource ͷߴԽ
• ࣮ମͷ ls "$(brew --prefix)/Celler" ʹͯ͠rubyܦ༝ͤ͞ͳ͍
• 30ඵˠ11ඵ
• (લͷεϥΠυͱࣈҧ͏ͷͦͷͱ͖։ൃதͩͬͨͨΊ)
rake 5.21s user 2.21s system 65% cpu 11.302 total
Slide 25
Slide 25 text
package resource ͷߴԽ
ࠓ specinfra v2.44.7 ͰϦϦʔε͞Ε·ͨ͠
Slide 26
Slide 26 text
package resource ͷߴԽ
• ·ͩ͘Ͱ͖Δ
• όʔδϣϯνΣοΫ͕༨ܭ
Slide 27
Slide 27 text
package resource ͷߴԽ
Slide 28
Slide 28 text
package resource ͷߴԽ
• 11ඵˠ7.9ඵ
rake 3.38s user 1.30s system 59% cpu 7.921 total
Slide 29
Slide 29 text
git resourceͷߴԽ
• git resource͍
• git fetch origin͕͍
Slide 30
Slide 30 text
git resourceͷߴԽ
Slide 31
Slide 31 text
git resourceͷߴԽ
• rbenvͷgit fetch originʹ3.2ඵ…?
Slide 32
Slide 32 text
git resourceͷߴԽ
• revisionࢦఆ͞ΕͯͯมΘͬͯͳ͚Εfetch͠ͳ͍Α͏ʹ
Slide 33
Slide 33 text
• 7.9ඵˠ4.6ඵ!!!
• શʹշద
git resourceͷߴԽ
rake 3.37s user 1.28s system 99% cpu 4.690 total
Slide 34
Slide 34 text
• itamaeͱspecinfraΛ࠷৽ʹ͢Δͱָ͍͠৽ػೳ͕Ұഋ͋
Δ͠ߴͳͷͰ࠷৽ͷౕʹ্͛Α͏!!!!
݁