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cobbler + koan VPS作成の自動化
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Hikaru Ashino
January 18, 2015
Programming
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cobbler + koan VPS作成の自動化
slideshare版:
https://www.slideshare.net/hikaruashinon/o-vpsauto
Hikaru Ashino
January 18, 2015
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Transcript
cobbler + koan VPS࡞ͷࣗಈԽ Hikaru Ashino
ࣗݾհ • Ѷ ޫ(౦ిࢠઐֶߍ)2012.04~ – PG(c,java,c#,php,js) – DB(oracle,access) – SystemDesign,Security,Server,android,
Project Management • ΞϧόΠτ – ITؔ࿈ձࣾʹͯΞϧόΠτ (2014.3~) – αʔόʔΤϯδχΞͱͯ͠ۈ – αʔόʔߏஙɺϛυϧΣΞݕূ
VPS automation cobbler + koan
what’s cobbler ? • LinuxܥOSͷωοτϫʔΫΠϯετʔϧڥΛఏ ڙ – PXE(ޙ΄Ͳհ͠·͢) – ཧαʔόʔ(PM)ɺԾαʔόʔ(VM)ͲͪΒʹର
Ԡ • OSࣗಈΠϯετʔϧΛࢧԉ – kickstart (ޙ΄Ͳհ͠·͢)
what’s PXE ? • PXE(Preboot eXecution Environmentʣͱ – ωοτϫʔΫΧʔυʹࡌ͞Ε͍ͯΔ PXEػೳΛར༻ͯ͠ϓϩάϥϜΛىಈ͢Δϒʔτํ๏
PXE
PXE boot࣌
PXE Boot Sequence ͜ͷ෦Λcobbler͕୲ ”
what’s cobbler ? • Cobblerͷػೳ – DHCPαʔό – TFTPαʔό –
PXEαʔό – kickstartͱDistribution,Profile,System(આ໌͠·͢) ͱ͍͏OSࣗಈΠϯετʔϧͷઃఆςϯϓϨʔτ ͷཧ
kickstart • kickstart – RedHat ܥOSͷOS Πϯετʔϥ anaconda ͕ఏڙ͢Δࣗಈ ΠϯετʔϧͷΈɻ
– Πϯετʔϧ࣌ʹઃఆ͢Δ߲Λkickstartfileʹఆٛ͠Πϯ ετʔϧ࣌ʹϩʔυͤ͞Δ͜ͱͰɺࣗಈͰઃఆ߲Λઃఆ ͠ΠϯετʔϧΛߦ͍·͢ɻ • ϗετ໊ɺωοτϫʔΫ • λΠϜκʔϯ • ύʔςΟγϣϯ • ηοτΞοϓྃޙʹҙͷॲཧΛ࣮ߦ • ɾɾɾͯ͢ͷઃఆΛఆٛͰ͖·͢ɻ
kickstart ύʔςΟγϣϯ ݴޠઃఆ rootύεϫʔυ λΠϜκʔϯ
what’s cobbler ? • Distribution • ΠϯετʔϧOSΠϝʔδΛఆٛ – Example. CentOS6.x,
CentOS5.x,Fedora • Profile • Πϯετʔϧʹ͏DistributionͱkickstartfileͳͲͷ ΠϯετʔϧεΫϦϓτͷॴͷఆٛ ɾ ԾϚγϯͷεϖοΫͷఆٛ(koanͰ͍·͢) • System • Πϯετʔϧ͏Profileͷఆٛͱɺ ରͷαʔόʔʹؔΘΔใʢϗετ໊IPΞυϨεͳͲʣͷఆ ٛ
Profile
Profile(koanར༻ͷ߹)
System
System(Networking)
System(Networking)
cobblerςϯϓϨʔτߏ ̍ ̎ ̏
cobber Web Interface
what’s koan ? • koan(Kickstart over a network) – cobblerͱ࿈ܞͯ͠VMͷ࡞͔Β
OSࣗಈΠϯετʔϧΛࢧԉɻ – VMΛ࡞͢ΔkvmϗετػʹΠϯετʔϧ – VMͷ࡞Λಉ࣌ʹߦ͏͜ͱ͕Ͱ͖Δɻ – kvmҎ֎ͷϋΠύʔόΠβʔར༻Մ
what’s koan ? • Πϯετʔϧ(epelಋೖࡁΈ) • # yum install koan
• VM࡞ɺOSΠϯετʔϧͷίϚϯυ • # koan --virt --server=1.2.3.4 --system=testvps • ίϚϯυ̍ͭͰVM࡞&OSͷࣗಈΠϯετʔϧ͕ Մೳ
koan Step 1 • koan --virt --server=1.2.3.4 --system=testvps – --server=<cobblerαʔόͷIP>
– --system=<༻͍ͨ͠system>
koan Step 2 • koan --virt --server=1.2.3.4 --system=testvps – testvpsͱ͍͏systemʹඥͮ͘profile(testvps)ͷ
Virtualizationʹج͍ͮͯVMΛ࡞͢Δɻ
koan Step 3 • koan --virt --server=1.2.3.4 --system=testvps – systemͷNetworkingʹै͍VMʹNICΛ࡞Δɻ
koan Step 4 • koan --virt --server=1.2.3.4 --system=testvps – OSΠϯετʔϧʹ༻͢Δkickstartfileʹ
systemͷNetworkingΛݩʹVMͷNICͷIPͳͲ ͷઃఆΛcobbler͕ຒΊࠐΉ kickstart system
koan Step 5 • koan --virt --server=1.2.3.4 --system=testvps – VM͕࡞͞ΕVM͕ىಈ
– PXEʹΑΔOSࣗಈΠϯετʔϧ͕։࢝
koan Step 6 • koan --virt --server=1.2.3.4 --system=testvps – ͋ͱɺVMͷΛ͚ͭͩɻ
cobblerͱkoanͷ·ͱΊ • cobbler – PXEʹΑΔOSࣗಈΠϯετʔϧΛࢧԉ – ୲ൣғ:PXEboot~OSηοτΞοϓྃ·Ͱ • koan –
cobblerͱ࿈ܞͯ͠VM࡞ͱOSࣗಈΠϯε τʔϧ – ୲ൣғ: VM࡞~ىಈ
構成図(ݕূڥ)
cobbler+koanʹΑΔޮՌ • ίϚϯυ1ͭͰVM࡞OSinstall→࡞ۀͷ؆ུ Խ • ̺ickstart͕ར༻Մೳ→ઃఆࣗಈԽɺϛεͷܰ ݮ • VMͷ࡞࡞ۀ͕ฒྻͰՄೳ→࡞ۀ࣌ؒॖ
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
demo • cobbler + koanʹΑΔVM࡞ͷdemo
koanͰ࡞ͬͨVMͷཧ • Webvirtmgr – Webϒϥβ͔Βkvmϗετʹରͯ͠ɺVMͷ ࡞(ະݕূ)ɺཧ͕ߦ͑Δπʔϧɻ
Webvirtmgr
demo • Webvirtmgrͷdemo
Let's use Cobbler!! ൃදҎ্ʹͳΓ·͢ɻ ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠