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Pyvmomiとansibleのdynamic inventory
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Kentaro Kawano
October 22, 2014
Programming
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94
Pyvmomiとansibleのdynamic inventory
大阪Pythonユーザの集まり 2014/10
http://osakapy.connpass.com/event/8994/
Kentaro Kawano
October 22, 2014
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Transcript
pyvmomiͱ AnsibleͷDynamic Inventory
ࣗݾհ • Տ݈ଠ࿕(@kawken) • γφδʔϚʔέςΟϯάʢגʣ • ࣄ o WEBΞϓϦ։ൃ ▪
SIͷ͓ࣄ ▪ Ruby on Rails ΛओʹͬͯΔ o ։ൃڥͷվળ ▪ ϨΨγʔͳڥΛϞμϯʹ͢ΔΑ͏ͳ׆ಈ ▪ ࣾͷ։ൃ༻αʔόཧ
Dynamic Inventory ͱʁ • ΠϯϕϯτϦϑΝΠϧʹɺ࣮ߦݖݶ͕༩͞Ε ͍ͯΔͱ࣮ߦ݁ՌΛ༻͢ΔΈ खॱ 1. JSONΛग़ྗ͢ΔεΫϦϓτΛ࡞ ˍ
࣮ߦݖݶ Λ༩ 2. ΠϯϕϯτϦϑΝΠϧͱͯ͠εΫϦϓτΛࢦఆ ͢Δ ansible-playbook -i hosts.py site.yml
Dynamic Inventory ͷϧʔϧ • εΫϦϓτpythonҎ֎ͰOK • --list, --host ͷίϚϯυϥΠϯҾ͕ͬͯ͘Δ o
σϑΥϧτ --list o ϗετ͕ࢦఆ͞Ε͍ͯΔͱ͖ --host • εΫϦϓτ༻ͷઃఆϑΝΠϧ iniϑΝΠϧ͕ਪ ʁ • ࣮ߦ࣌ʹઃఆ͍ͨ͠ڥมͰ͢Ҏ֎ͳ ͦ͞͏ https://github.com/ansible/ansible/tree/devel/plugins/inventory
pyvmomiͱʁ • VMware vSphere APIͷPythonόΠϯσΟϯά o VMware vSphere APIͱ ▪
VMware ESXͳͲͰཧ͍ͯ͠ΔԾϗετΛૢ ࡞ • VMwareެࣜ o https://github.com/vmware/pyvmomi • VMOMI o Virtualization Management Object Management Infrastructure • ಡΈํ…ʁ
pyvmomiͷαϯϓϧ https://github.com/vmware/pyvmomi/blob/master/sample/ poweronvm.py#L116 ͳ͔ͥ3εϖʔεͳͷ͕ͭΒ͍
͍Ͳ͜Ζ • ࣾͷ։ൃ༻αʔόͷߏஙʢVMwareʣ 1. pyvmomiͰԾϚγϯߏங 2. CentOSͷkickstartͰࣗಈΠϯετʔϧ 3. AnsibleͰϓϩϏδϣχϯά DHCPͷͨΊFQDNͱIP͕Θ͔Βͳ͍ͷͰɺ
pyvmomiͰVMwareͷཧ໊͔ΒIPΛऔಘ͍ͯ͠Δ TARGET_HOST="$vmname" ansible-playbook -i target.py site.yml
target.pyͷ࣮ߦ݁Ռ $ TARGET_HOST=sample.local vmware/target.py { "all": { "hosts": [ "192.168.0.123"
], "vars": { "target_hostname": "sample.local" } } }
·ͱΊ • Dynamic Inventory o ؆୯ͳεΫϦϓτ͔Β࢝ΊΒΕΔ o VMWareAWS্ʹߏங͞ΕͨɺIPEnd Point͕Θ ͔Βͳ͍Α͏ͳαʔόΛಛఆͯ͠ɺϓϩϏδϣχϯ
ά͢Δ͜ͱ͕Ͱ͖Δ • pyvmomi o pyvmomiVMwareͷૢ࡞͕؆୯ʹͰ͖Δ o αϯϓϧΛݟΔͱԿͱͳ͘Θ͔ΔͷͰɺPython͕Θ ͔Ε؆୯
ࢀߟ AnsibleެࣜυΩϡϝϯτ Dynamic Inventory ͷઆ໌ http://docs.ansible.com/intro_dynamic_inventory.html εΫϦϓτͷ࡞Γํ http://docs.ansible.com/developing_inventory.html Dyanmic Inventory
ͷαϯϓϧ https://github.com/ansible/ansible/tree/devel/plugins/inventory pyvmomi https://github.com/vmware/pyvmomi VMOMI https://github.com/vmware/pyvmomi/wiki/VMOMI VMware vSphere Web Services SDK Documentation https://www.vmware.com/ support/developer/vc-sdk/