Pyvmomiとansibleのdynamic inventory

大阪Pythonユーザの集まり 2014/10
http://osakapy.connpass.com/event/8994/

Transcript

1. pyvmomiͱ AnsibleͷDynamic Inventory
2. ࣗݾ঺հ • Տ໺݈ଠ࿕(@kawken) • γφδʔϚʔέςΟϯάʢגʣ • ࢓ࣄ o WEBΞϓϦ։ൃ ▪ SIͷ͓࢓ࣄ ▪ Ruby on Rails Λओʹ࢖ͬͯΔ o ։ൃ؀ڥͷվળ ▪ ϨΨγʔͳ؀ڥΛϞμϯʹ͢ΔΑ͏ͳ׆ಈ ▪ ࣾ಺ͷ։ൃ༻αʔό؅ཧ
3. Dynamic Inventory ͱ͸ʁ • ΠϯϕϯτϦϑΝΠϧʹɺ࣮ߦݖݶ͕෇༩͞Ε ͍ͯΔͱ࣮ߦ݁ՌΛ࢖༻͢Δ࢓૊Έ खॱ 1. JSONΛग़ྗ͢ΔεΫϦϓτΛ࡞੒ ˍ ࣮ߦݖݶ Λ෇༩ 2. ΠϯϕϯτϦϑΝΠϧͱͯ͠εΫϦϓτΛࢦఆ ͢Δ ansible-playbook -i hosts.py site.yml
4. Dynamic Inventory ͷϧʔϧ • εΫϦϓτ͸pythonҎ֎Ͱ΋OK • --list, --host ͷίϚϯυϥΠϯҾ਺͕౉ͬͯ͘Δ o σϑΥϧτ͸ --list o ϗετ͕ࢦఆ͞Ε͍ͯΔͱ͖͸ --host • εΫϦϓτ༻ͷઃఆϑΝΠϧ͸ iniϑΝΠϧ͕ਪ ঑ʁ • ࣮ߦ࣌ʹઃఆ͍ͨ͠஋͸؀ڥม਺Ͱ౉͢Ҏ֎ͳ ͦ͞͏ https://github.com/ansible/ansible/tree/devel/plugins/inventory
5. pyvmomiͱ͸ʁ • VMware vSphere APIͷPythonόΠϯσΟϯά o VMware vSphere APIͱ͸ ▪ VMware ESXͳͲͰ؅ཧ͍ͯ͠ΔԾ૝ϗετΛૢ ࡞ • VMwareެࣜ o https://github.com/vmware/pyvmomi • VMOMI o Virtualization Management Object Management Infrastructure • ಡΈํ͸…ʁ
6. pyvmomiͷαϯϓϧ https://github.com/vmware/pyvmomi/blob/master/sample/ poweronvm.py#L116 ͳ͔ͥ3εϖʔεͳͷ͕ͭΒ͍
7. ࢖͍Ͳ͜Ζ • ࣾ಺ͷ։ൃ༻αʔόͷߏஙʢVMwareʣ 1. pyvmomiͰԾ૝Ϛγϯߏங 2. CentOSͷkickstartͰࣗಈΠϯετʔϧ 3. AnsibleͰϓϩϏδϣχϯά DHCPͷͨΊFQDNͱIP͕Θ͔Βͳ͍ͷͰɺ pyvmomiͰVMwareͷ؅ཧ໊͔ΒIPΛऔಘ͍ͯ͠Δ TARGET_HOST="$vmname" ansible-playbook -i target.py site.yml
8. target.pyͷ࣮ߦ݁Ռ $ TARGET_HOST=sample.local vmware/target.py { "all": { "hosts": [ "192.168.0.123" ], "vars": { "target_hostname": "sample.local" } } }
9. ·ͱΊ • Dynamic Inventory o ؆୯ͳεΫϦϓτ͔Β࢝ΊΒΕΔ o VMWare΍AWS্ʹߏங͞ΕͨɺIP΍End Point͕Θ ͔Βͳ͍Α͏ͳαʔόΛಛఆͯ͠ɺϓϩϏδϣχϯ ά͢Δ͜ͱ͕Ͱ͖Δ • pyvmomi o pyvmomi͸VMwareͷૢ࡞͕؆୯ʹͰ͖Δ o αϯϓϧΛݟΔͱԿͱͳ͘Θ͔ΔͷͰɺPython͕Θ ͔Ε͹؆୯
10. 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/