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cobbler + koan VPS࡞੒ͷࣗಈԽ Hikaru Ashino

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ࣗݾ঺հ • Ѷ໺ ޫ(౦๺ిࢠઐ໳ֶߍ)2012.04~ – PG(c,java,c#,php,js) – DB(oracle,access) – SystemDesign,Security,Server,android, Project Management • ΞϧόΠτ – ITؔ࿈ձࣾʹͯΞϧόΠτ (2014.3~) – αʔόʔΤϯδχΞͱͯ͠ۈ຿ – αʔόʔߏஙɺϛυϧ΢ΣΞݕূ౳

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VPS automation cobbler + koan

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what’s cobbler ? • LinuxܥOSͷωοτϫʔΫΠϯετʔϧ؀ڥΛఏ ڙ – PXE(ޙ΄Ͳ঺հ͠·͢) – ෺ཧαʔόʔ(PM)ɺԾ૝αʔόʔ(VM)ͲͪΒʹ΋ର Ԡ • OSࣗಈΠϯετʔϧΛࢧԉ – kickstart (ޙ΄Ͳ঺հ͠·͢)

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what’s PXE ? • PXE(Preboot eXecution Environmentʣͱ͸ – ωοτϫʔΫΧʔυʹ౥ࡌ͞Ε͍ͯΔ PXEػೳΛར༻ͯ͠ϓϩάϥϜΛىಈ͢Δϒʔτํ๏

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PXE

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PXE boot࣌

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PXE Boot Sequence ͜ͷ෦෼Λcobbler͕୲౰ ”

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what’s cobbler ? • Cobblerͷػೳ – DHCPαʔό – TFTPαʔό – PXEαʔό – kickstartͱDistribution,Profile,System(આ໌͠·͢) ͱ͍͏OSࣗಈΠϯετʔϧͷઃఆςϯϓϨʔτ ͷ؅ཧ

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kickstart • kickstart – RedHat ܥOSͷOS Πϯετʔϥ anaconda ͕ఏڙ͢Δࣗಈ Πϯετʔϧͷ࢓૊Έɻ – Πϯετʔϧ࣌ʹઃఆ͢Δ߲໨Λkickstartfileʹఆٛ͠Πϯ ετʔϧ࣌ʹϩʔυͤ͞Δ͜ͱͰɺࣗಈͰઃఆ߲໨Λઃఆ ͠ΠϯετʔϧΛߦ͍·͢ɻ • ϗετ໊ɺωοτϫʔΫ • λΠϜκʔϯ • ύʔςΟγϣϯ • ηοτΞοϓ׬ྃޙʹ೚ҙͷॲཧΛ࣮ߦ • ɾɾɾ౳͢΂ͯͷઃఆΛఆٛͰ͖·͢ɻ

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kickstart ύʔςΟγϣϯ ݴޠઃఆ rootύεϫʔυ λΠϜκʔϯ

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what’s cobbler ? • Distribution • ΠϯετʔϧOSΠϝʔδΛఆٛ – Example. CentOS6.x, CentOS5.x,Fedora • Profile • Πϯετʔϧʹ࢖͏DistributionͱkickstartfileͳͲͷ ΠϯετʔϧεΫϦϓτͷ৔ॴͷఆٛ ɾ Ծ૝ϚγϯͷεϖοΫͷఆٛ(koanͰ࢖͍·͢) • System • Πϯετʔϧ࢖͏Profileͷఆٛͱɺ ର৅ͷαʔόʔʹؔΘΔ৘ใʢϗετ໊΍IPΞυϨεͳͲʣͷఆ ٛ

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Profile

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Profile(koanར༻ͷ৔߹)

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System

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System(Networking)

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System(Networking)

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cobblerςϯϓϨʔτߏ੒ ̍ ̎ ̏

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cobber Web Interface

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what’s koan ? • koan(Kickstart over a network) – cobblerͱ࿈ܞͯ͠VMͷ࡞੒͔Β OSࣗಈΠϯετʔϧΛࢧԉɻ – VMΛ࡞੒͢ΔkvmϗετػʹΠϯετʔϧ – VMͷ࡞੒Λಉ࣌ʹߦ͏͜ͱ͕Ͱ͖Δɻ – kvmҎ֎ͷϋΠύʔόΠβʔ΋ར༻Մ

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what’s koan ? • Πϯετʔϧ(epelಋೖࡁΈ) • # yum install koan • VM࡞੒ɺOSΠϯετʔϧͷίϚϯυ • # koan --virt --server=1.2.3.4 --system=testvps • ίϚϯυ̍ͭͰVM࡞੒&OSͷࣗಈΠϯετʔϧ͕ Մೳ

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koan Step 1 • koan --virt --server=1.2.3.4 --system=testvps – --server= – --system=<࢖༻͍ͨ͠system>

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koan Step 2 • koan --virt --server=1.2.3.4 --system=testvps – testvpsͱ͍͏systemʹඥͮ͘profile(testvps)ͷ Virtualizationʹج͍ͮͯVMΛ࡞੒͢Δɻ

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koan Step 3 • koan --virt --server=1.2.3.4 --system=testvps – systemͷNetworkingʹै͍VMʹNICΛ࡞Δɻ

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koan Step 4 • koan --virt --server=1.2.3.4 --system=testvps – OSΠϯετʔϧʹ࢖༻͢Δkickstartfileʹ systemͷNetworkingΛݩʹVMͷNICͷIPͳͲ ͷઃఆΛcobbler͕ຒΊࠐΉ kickstart system

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koan Step 5 • koan --virt --server=1.2.3.4 --system=testvps – VM͕࡞੒͞ΕVM͕ىಈ – PXEʹΑΔOSࣗಈΠϯετʔϧ͕։࢝

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koan Step 6 • koan --virt --server=1.2.3.4 --system=testvps – ͋ͱ͸ɺVMͷ׬੒Λ଴͚ͭͩɻ

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cobblerͱkoanͷ·ͱΊ • cobbler – PXEʹΑΔOSࣗಈΠϯετʔϧΛࢧԉ – ୲౰ൣғ:PXEboot~OSηοτΞοϓ׬ྃ·Ͱ • koan – cobblerͱ࿈ܞͯ͠VM࡞੒ͱOSࣗಈΠϯε τʔϧ – ୲౰ൣғ: VM࡞੒~ىಈ

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構成図(ݕূ؀ڥ)

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cobbler+koanʹΑΔޮՌ • ίϚϯυ1ͭͰVM࡞੒OSinstall→࡞ۀͷ؆ུ Խ • ̺ickstart͕ར༻Մೳ→ઃఆࣗಈԽɺϛεͷܰ ݮ • VMͷ࡞੒࡞ۀ͕ฒྻͰՄೳ→࡞ۀ࣌ؒ୹ॖ

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Auto vs Manual 0:00:00 1:12:00 2:24:00 3:36:00 4:48:00 6:00:00 7:12:00 8:24:00 9:36:00 10:48:00 Auto Manual GBTU NT NT CentOS6.5minimal 64bit CPU:2vCPU MEM:1GB STORAGE:88GB NIC 1ͭ

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demo • cobbler + koanʹΑΔVM࡞੒ͷdemo

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koanͰ࡞ͬͨVMͷ؅ཧ • Webvirtmgr – Webϒϥ΢β͔Βkvmϗετʹରͯ͠ɺVMͷ ࡞੒(ະݕূ)ɺ؅ཧ͕ߦ͑Δπʔϧɻ

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Webvirtmgr

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demo • Webvirtmgrͷdemo

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Let's use Cobbler!! ൃද͸Ҏ্ʹͳΓ·͢ɻ ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠