SpecInfra at JAWS DAYS 2014

Transcript

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   Immutable Infrastructure࣌୅ͷ ߏ੒؅ཧπʔϧج൫SpecInfra JAWS DAYS 2014 Immutable Infrastructure Track ٶԼ

   ߶ี
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   ࣗݾ঺հ

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   ٶԼ ߶ี http://mizzy.org/ @gosukenator mizzy@github http://serverspec.org/

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   αʔόߏ੒؅ཧͱ͸

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   αʔόͷ੩తͳঢ়ଶΛ ؅ཧ͢Δ͜ͱ

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   αʔόͷ੩తͳঢ়ଶ ! Πϯετʔϧ͞Ε͍ͯΔ ϛυϧ΢ΣΞ΍ઃఆͳͲ =

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   αʔόߏ੒؅ཧπʔϧ

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   (Puppet)

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   (Chef)

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    (Ansible)

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    ߏ੒؅ཧπʔϧͷجຊݪଇ • એݴతʮԿΛ͍͔ͨ͠Ͱ͋ͬͯɺͲ͏͢Δ͔Ͱ͸ͳ͍ʯ • ந৅Խʮ͋ͳͨͷ୅ΘΓʹ໘౗Λݟͯ͘ΕΔʯ • ႈ౳ੑʮඞཁͳͱ͖͚࣮ͩߦ͢Δʯ • ऩଋԽʮ์͓͚ͬͯ͹Ͳ͏ʹ͔ͳΔʯ ΦϥΠϦʔδϟύϯʰ΢ΣϒΦϖϨʔγϣϯ

    5ষ ίʔυͱͯ͠ͷΠϯϑϥʱΑΓ
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    None
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    None
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    Immutable͕αʔό ߏ੒؅ཧʹ༩͑ΔӨڹ

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    ߏ੒؅ཧπʔϧͷجຊݪଇʢ࠶ܝʣ • એݴతʮԿΛ͍͔ͨ͠Ͱ͋ͬͯɺͲ͏͢Δ͔Ͱ͸ͳ͍ʯ • ந৅Խʮ͋ͳͨͷ୅ΘΓʹ໘౗Λݟͯ͘ΕΔʯ • ႈ౳ੑʮඞཁͳͱ͖͚࣮ͩߦ͢Δʯ • ऩଋԽʮ์͓͚ͬͯ͹Ͳ͏ʹ͔ͳΔʯ

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    ႈ౳ੑ ! ঢ়ଶ͕ෆఆͳͷͰ࣮ߦ ͕ඞཁ͔Ͳ͏͔൑அ =

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    ऩଋԽ ! ෆఆͳঢ়ଶΛҰఆͷ ঢ়ଶʹऩଋͤ͞Δ =

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    Immutableલఏͱͨ͠ ߏ੒؅ཧπʔϧͷجຊݪଇ • એݴతʮԿΛ͍͔ͨ͠Ͱ͋ͬͯɺͲ͏͢Δ͔Ͱ͸ͳ͍ʯ • ந৅Խʮ͋ͳͨͷ୅ΘΓʹ໘౗Λݟͯ͘ΕΔʯ • ႈ౳ੑʮඞཁͳͱ͖͚࣮ͩߦ͢Δʯ • ऩଋԽʮ์͓͚ͬͯ͹Ͳ͏ʹ͔ͳΔʯ

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    ႈ౳ੑ/ऩଋԽ͕ෆཁͳΒ ߏ੒؅ཧ͸΋ͬͱ γϯϓϧʹͰ͖ΔͷͰ͸ʁ

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    ImmutableͳΜ͔ͩΒ खಈͰΠϝʔδ࡞ͬͱ ͚͹͍͍Μ͡Όͳ͍ʁ

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    Ͱ΋࠶ݱՄೳͳखॱ͸ ࢒͓͖͍ͯͨ͠

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    γΣϧεΫϦϓτ΍ DockerfileͰ΋͍͍ͷ͸ʁ

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    Dockerfile # Memcached # # VERSION 1.0 ! # use

    the ubuntu base image provided by dotCloud FROM ubuntu MAINTAINER Guillaume J. Charmes, guillaume@dotcloud.com # make sure the package repository is up to date RUN echo "deb http://archive.ubuntu.com/ubuntu precise main universe" > /etc/apt/sources.list RUN apt-get update ! # install memcached RUN apt-get install -y memcached
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    ΋͏গ͠ந৅Խ͍ͨ͠

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    ΍͸Γߏ੒؅ཧ πʔϧ͸ඞཁ

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    configspec

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    configspecʹΑΔߏ੒؅ཧίʔυ

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    syllabus

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    syllabusʹΑΔߏ੒؅ཧίʔυ

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    None
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    configspec/syllabus ͱ΋ʹίϚϯυ࣮ߦ͸ SpecInfraΛར༻

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    SpecInfra͸൚༻తίϚ ϯυ࣮ߦϑϨʔϜϫʔΫ

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    ࣮ߦܗࣜͷࠩҟ ʢϩʔΧϧ/SSH/WinRM౳ʣ

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    OS/σΟετϦϏϡʔγϣϯ ຖͷίϚϯυͷࠩҟ

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    ͜ΕΒΛٵऩͯ͘͠Ε ΔϑϨʔϜϫʔΫ

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    ݩʑ͸serverspecͷ Ұ෦ͩͬͨ΋ͷΛ෼཭

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    SpecInfraͷ֓ཁ API OSந৅Խ ϨΠϠʔ Linux༻ίϚϯυ܈ ࣮ߦܗࣜ ந৅Խ ϨΠϠʔ Darwin༻ίϚϯυ܈ Solaris༻ίϚϯυ܈

    Windows༻ίϚϯυ܈ … API! ݺͼग़͠ ίϚϯυ! ࣮ߦ
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    configspecͷ࣮૷

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    configspecʹΑΔߏ੒؅ཧίʔυ

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    None
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    Configspec::Type::Package.new(‘apache2’) ↓ package(‘apache2’) ! ͱॻ͚Δ

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    configspecʹΑΔߏ੒؅ཧίʔυ

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    package(‘apache2’).installed? ͕ݺ͹ΕΔ

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    None
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    OSͷҧ͍΍࣮ߦܗࣜͷҧ͍͸ SpecInfra͕ٵऩͯ͘͠ΕΔͷ Ͱbackend.installΛݺͿ͚ͩ

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    SpecInfraΛར༻ͨ͠ ࠷খ࣮૷

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    None
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    None
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    Exec, SshҎ֎ʹ΋ɺCmd, WinRM, Docker, LXC༻ͷ όοΫΤϯυ͕͋Δ

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    Immutableͩͱຖճ͍ ͔ͪΒߏங͢Δ͔Β ͕͔͔࣌ؒΔͷͰ͸ʁ

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    None
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    DockerfileόοΫΤϯυͷग़ྗ಺༰

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    ShellScript όοΫΤϯυ

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    None
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    ShellScriptόοΫΤϯυͷग़ྗ಺༰

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    ࠓޙͷ՝୊

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    υΩϡϝϯτ੔උ

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    ػೳॆ࣮

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    ϦϑΝΫλϦϯά ʢಛʹCommandҎԼʣ

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    ςετίʔυ੔උ ʢserverspecͱͷ੾Γ෼͚ʣ

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    ·ͱΊ • Immutableલఏʹ͢Δͱߏ੒؅ཧπʔϧʹႈ౳ੑ΍ऩ ଋԽ͸͍Βͳ͘ͳΓͦ͏ʢ͋ͬͯ΋͍͍͚Ͳʣ • SpecInfra͸OSຖͷίϚϯυͷҧ͍΍࣮ߦܗࣜΛٵऩ ͯ͘͠ΕΔ൚༻ίϚϯυ࣮ߦϑϨʔϜϫʔΫ • SpecInfraΛϕʔεʹͯࣗ͠෼ʹ͋ͬͨγϯϓϧͳߏ੒ ؅ཧπʔϧΛͭͬͯ͘ΈΑ͏

    • ՝୊͸͍ͬͺ͍͋ΔͷͰίϛολʹͳΕΔνϟϯε
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    ࢀߟϦϯΫ • Immutable Infrastructure࣌୅ͷConfiguration Management Toolͷཁ͓݅Αͼͦͷ࣮ ૷ʹ͍ͭͯ - delirious thoughts

    • http://blog.kentarok.org/entry/2013/12/01/221729 • infrastructure - specinfraΛ࢖ͬͯΈΑ͏ - Qiita • http://qiita.com/sawanoboly/items/d1e7794739d9d31a5316 • Immutable Infrastructure ͷ༗༻ੑ - Togetter·ͱΊ • http://togetter.com/li/594684 • ssig33.com - Docker ΛϓϩμΫτͷσϓϩΠʹ࢖͏ • http://ssig33.com/text/Docker%20ΛϓϩμΫτͷσϓϩΠʹ࢖͏