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libspecinfraͷ
֓ཁͱݱঢ়ͱࠓޙ
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ࣗݾհ
• ٶԼ ߶ี
• ߹ಉձࣾServerspec Operationsද
• ϑϦʔϥϯεͷιϑτΣΞΤϯδχΞ
• גࣜձࣾϦΫϧʔτςΫϊϩδʔζATLٕज़ސ
• http://mizzy.org/
• mizzy@github, gosukenator@twitter
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ஶॻɾ༁ॻ
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libspecinfraͱ
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libspecinfraͱ
• Specinfraͷ֦ு/࠶࣮ϓϩδΣΫτ
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Specinfraͱ
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Specinfraͱ
• RubyͷϥΠϒϥϦ
• OSσΟετϦϏϡʔγϣϯຖͷίϚϯυͷҧ͍ͷநԽ
• ϩʔΧϧɺSSH ܦ༝ɺWinRM ܦ༝ɺDocker API ܦ༝ͳͲ
ͷίϚϯυ࣮ߦܗࣜͷநԽ
• ServerspecͷҰ෦ػೳͩͬͨͷΛ୯ҰͷϥΠϒϥϦͱͯ͠
ಠཱͤͨ͞
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OS/σΟετϦϏϡʔγϣϯຖͷίϚϯυͷҧ͍ͷநԽ
• ྫͱͯ͠ҎԼͷ͜ͱΛ֬ೝ͢Δ͜ͱΛߟ͑Δ
• nginxύοέʔδ͕Πϯετʔϧ͞Ε͍ͯΔ
• nginxαʔϏε͕ࣗಈىಈ͢ΔΑ͏ʹͳ͍ͬͯΔ
• nginx͕ىಈ͍ͯ͠Δ
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CentOS 6ͷ߹
rpm -q nginx
chkconfig --list nginx | grep 3:on
service nginx status
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CentOS 7ͷ߹
rpm -q nginx
systemctl is-enabled nginx
systemctl is-active nginx
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Ubuntu 14.04ͷ߹
dpkg-query -f '${Status}' -W nginx \
| grep -E '^(install|hold) ok installed$'
ls /etc/rc3.d/ | grep -- '^S..nginx$' \
|| grep '^\s*start on' /etc/init/nginx.conf
service nginx status \
&& service nginx status | egrep 'running|online'
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Serverspecͷ߹
describe package('nginx') do
it { should be_installed }
end
describe service('nginx') do
it { should be_enabled }
it { should be_running }
end
ͲͷOSͰ͋ͬͯཪͰSpecinfra͕Α͠ͳʹॲཧͯ͘͠ΕΔ
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࣮ߦܗࣜͷҧ͍ͷநԽ
• ରͷϗετ্Ͱ࣮ߦ
• SSHͰϦϞʔτ࣮ߦ
• WinRMͰϦϞʔτ࣮ߦ
• Docker APIͰίϯςφͰ࣮ߦ
• ͳͲ
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ServerspecͰͷ࣮ߦܗࣜͷબʢ࣮ߦʣ
# UnixܥOSͷ߹
set :backend, :exec
# Windowsͷ߹
set :backend, :cmd
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ServerspecͰͷ࣮ߦܗࣜͷબʢSSHͰϦϞʔτ࣮ߦʣ
set :backend, :ssh
host = 'host.example.jp'
options = Net::SSH::Config.for(host)
options[:user] ||= Etc.getlogin
set :host, host
set :ssh_options, options
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Specinfraͱʢ·ͱΊʣ
• Serverspec͔Βੜͨ͠RubyͷϥΠϒϥϦ
• OSσΟετϦϏϡʔγϣϯຖͷίϚϯυͷҧ͍ͷநԽ
• ʮԿΛ࣮ߦ͢Δ͔ʯΛநԽ
• ϩʔΧϧɺSSH ܦ༝ɺWinRM ܦ༝ɺDocker API ܦ༝ͳͲͷ
ίϚϯυ࣮ߦܗࣜͷநԽ
• ʮͲ͏࣮ߦ͢Δ͔ʯΛநԽ
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Specinfraొͷ
എܠͱ՝
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Specinfraొͷഎܠ
• αʔόͷૢ࡞ใΛऔಘ͢ΔͨΊͷํ๏ɺର͕ಉ͡Ͱ͋ͬͯɺOS
σΟετϦϏϡʔγϣϯʹΑͬͯҟͳΔ
• ύοέʔδͷ߹ yum apt-get ͳͲ
• αʔόૢ࡞ใऔಘͷ࣮ߦܗࣜɺରͷαʔόͰ࣮ߦ͢Δͷ͔ɺ֎͔
Β࣮ߦ͢Δͷ͔ʹΑͬͯํ๏͕ҟͳΔ
• ϩʔΧϧͰ࣮ߦɺSSHͰϦϞʔτ࣮ߦɺDocker APIܦ༝Ͱ࣮ߦɺͳͲ
• ͜ΕΒΛநԽ͠ɺҙࣝͤͣʹ֤छOS࣮ߦܗࣜʹରԠ͢ΔπʔϧΛ։ൃ͢
ΔͨΊͷج൫ͱͯ͠SpecinfraΛServerspec͔Βಠཱͤͨ͞
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Specinfraͷ՝
• γεςϜཧܥͷπʔϧͦΕͧΕಠࣗʹOS/σΟετϦϏϡʔγϣ
ϯ࣮ߦܗࣜͷநԽΛߦ͓ͬͯΓ࠶ར༻ੑ͕ͳ͍
• Chef, Puppet, Ansible, Itamae(Specinfra) ͳͲ
• ࠶ར༻ੑΛߟྀͯ͠։ൃͨ͠SpecinfraͦΕ΄Ͳ͘ΘΕ͍ͯͳ͍
• Specinfra͕RubyͰ͋ΔͨΊɺRubyҎ֎ͷϓϩδΣΫτͰ࠾༻Ͱ
͖ͳ͍
• MItamaeSpecinfraΛmrubyͰ࠶࣮͍ͯ͠Δ
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՝ղܾͷͨΊͷ
ఏҊͱ࣮
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՝Λղܾ͢ΔͨΊͷఏҊ
• Specinfra͕୲͍ͬͯΔ
• OS/σΟετϦϏϡʔγϣϯͷநԽ
• ࣮ߦܗࣜͷநԽ
• ͜ΕΒΛ༷ʑͳݴޠ͔Βར༻Ͱ͖Δڞ༗ϥΠϒϥϦͱͯ͠
ఏڙ͢Δ
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ఏҊΛ࣮ݱ͢ΔͨΊͷ࣮
• ͦͷ࣮Λ୲͏ͷ͕libspecinfraϓϩδΣΫτ
• libspecinfraϓϩδΣΫτ࣍ͷΑ͏ͳOSS͔Βߏ͞ΕΔ
• ڞ༗ϥΠϒϥϦΛఏڙ͢ΔSpecinfraίΞ(RustͰ࣮)
• SpecinfraίΞ͕ఏڙ͢Δڞ༗ϥΠϒϥϦΛݺͼग़ͨ͢Ί
ͷ֤ݴޠ༻όΠϯσΟϯά
• https://github.com/libspecinfra
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ͳͥRustͰ࣮ͨ͠ͷ͔
• ʮڞ༗ϥΠϒϥϦΛఏڙ͢Δʯͱ͍͏తͳΒଞʹCC++
• ৽͘͠ϓϩδΣΫτΛ࢝ΊΔͳΒRust͔ͳɺͱ
• Cݴޠͱͷੑʢ㲈ଞݴޠͱͷੑʣ
• mrubylibffiͱܨ͍͗͢
• RustΛ֮͑ͯΈ͔ͨͬͨ
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libspecinfraͱʢ·ͱΊʣ
• Specinfra͕࣋ͭ՝Λղܾ͢ΔͨΊʹ࢝ΊͨϓϩδΣΫτ
• OS/σΟετϦϏϡʔγϣϯͷநԽɺ࣮ߦܗࣜͷநԽͷ
ͨΊͷڞ༗ϥΠϒϥϦΛఏڙʢRustͰ࣮ʣ
• ڞ༗ϥΠϒϥϦΛར༻͢ΔͨΊͷ֤छݴޠόΠϯσΟϯά
ఏڙ
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libspecinfraͷ
ݱঢ়ͱࠓޙ
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libspecinfraͷݱঢ়
• File, Service·ΘΓ࣮ࡁ
• CentOS 6, 7
• Ubuntu 14.04, 16.04
• ରԠද: https://github.com/libspecinfra/specinfra#support-matrix
• ݴޠόΠϯσΟϯάRuby, mruby, Python͕ଘࡏ
• ରԠঢ়گ·ͪ·ͪ
• libspecinfra/examplesϦϙδτϦʹαϯϓϧίʔυ
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Rustαϯϓϧίʔυʢ࣮ߦʣ
extern crate specinfra;
use specinfra::backend;
fn main() {
let b = backend::direct::Direct::new();
let s = specinfra::new(&b).unwrap();
let file = s.file("/etc/passwd");
match file.mode() {
Ok(m) => println!("{:o}", m),
Err(e) => println!("{}", e),
}
}
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RustαϯϓϧίʔυʢSSHܦ༝Ͱ࣮ߦʣ
extern crate specinfra;
use specinfra::backend::ssh::SSHBuilder;
fn main() {
let s = SSHBuilder::new();
let b = s.hostname("localhost").finalize().unwrap();
let s = specinfra::new(&b).unwrap();
let file = s.file("/etc/passwd");
match file.mode() {
Ok(m) => println!("{:o}", m),
Err(e) => println!("{}", e),
}
}
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Rubyαϯϓϧίʔυ
require 'libspecinfra'
require 'libspecinfra/backend/direct'
b = Libspecinfra::Backend::Direct::Binding.new()
s = Libspecinfra::Specinfra::Binding.new(b)
f = s.file("/etc/passwd")
printf("%#o", f.mode)
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mrubyαϯϓϧίʔυ
b = Libspecinfra::Backend::Direct.new()
s = Libspecinfra::Specinfra.new(b)
f = s.file("/etc/passwd")
printf("%#o", f.mode)
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libspecinfra ͕ࢦ͢ͱ͜Ζ
• γεςϜͷӡ༻ཧ͕ෳࡶԽ͍ͯ͘͠தͰɺͦΕΛղܾ͢Δ
ΑΓྑ͍πʔϧ͕ੜ·ΕΔͷΛࢧԉ͢Δ
• ίϯςφϢχΧʔωϧͱ͍ͬͨ৽͍͠αʔόܗ͕ࣜग़͖ͯ
ͯɺطଘͷπʔϧ͕؆୯ʹରԠͰ͖ΔΑ͏ʹ͢Δ
• ࠓޙੜ·ΕΔγεςϜཧܥπʔϧͯ͢ͷج൫ͱͳΔ
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ڠྗऀઈࢍืूத
• ࣮ӡ༻ͰͬͯΈ͍ͨͱ͍͏ਓ
• ࣮ӡ༻Ͱ͜͏͑ΔͷͰͱ͍͏ΞΠσΞ
• ଞݴޠόΠϯσΟϯά։ൃͯ͘͠ΕΔਓ
• ֤छOSϦιʔεରԠͯ͘͠ΕΔਓ
• Rustৄ͍͠ਓ
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ࢀߟ
• libspecinfra
• https://github.com/libspecinfra
• ServerspecͷจΛެ։͠·͢
• http://mizzy.org/blog/2014/03/11/1/
• libspecinfraϓϩδΣΫτͷ֓ཁͱࠓޙʹ͍ͭͯ
• http://atl.recruit-tech.co.jp/blog/4339/
• libspecinfra։ൃऀ͚νϡʔτϦΞϧ
• http://atl.recruit-tech.co.jp/blog/4349/
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