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ՆٳΈͰ͕ࠩͭ͘ʂ
Ansible
#ansiblejp
2018/8/3 Ansible Night in Fukuoka 2018.08 1
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ా༟
גࣜձࣾΦϧλʔϒʔε
ιϦϡʔγϣϯΞʔΩςΫτ
ΈࠐΈ → ΫϥυΠϯϑϥ
@morita92hiro
https://hawaku.hateblo.jp
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Ansibleపఈೖ
ൃചதʂ
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ͭ·Βͳ͍ੈք͔Βͬͱܹͷ͋ΔੈքมԽͤ͞Α͏ʂ
ɹɹɹɹɹ
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Ansibleͱ1
1 https://www.ansible.com/overview/it-automation
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ΤʔδΣϯτϨεʹίʔ
υͰߏཧ͢Δπʔϧ
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ͳͥAnsibleΛ͍࢝Ί͔ͨʁ!
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࡞ͷґཔΛड͚Δ
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ࢁͷ࡞ͷґཔΛड͚Δ
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• Ҋ݅͝ͱͷαʔόʔ
• ։ൃɺຊ൪༻
• ෳߏங
• ΫϥυʹΑΔαʔόʔͷ͍ࣺͯ
• ӡ༻
͜Εશ෦1ਓͰɾɾɾʁ
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Ͳ͏ͬͯࡹ͘ʁ
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!ؒΛݺͿ
͔͠͠ɺॿ͚ɾɾɾ!
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͕࣌ؒΜΔ
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#͍͍͑
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Infrastructure as Code
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ʊਓਓਓਓਓਓਓʊ
ʼɹಇ͖ํվֵɹʻ
ʉY^Y^Y^Y^Y^Yʉ
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ߏཧπʔϧͳ͠
• खॱॻΛݩʹखಈͰઃఆ
• खಈΦϖϛεͷՄೳੑ
• खॱॻຊʹ࠷৽ʁ
• ࢼ͞ΕΔهԱྗ
• ൿͷλϨ
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ߏཧπʔϧ͋Γ
• खॱΛίʔυͰهड़
• ίʔυΛ࣮ߦͯࣗ͠ಈͰઃఆ
• ୭Ͱ࣮ߦͰ͖Δ
• ίʔυ͕࠷৽ͷঢ়ଶ
• όʔδϣϯཧ(Git)ͯ͠ɺҎલͷঢ়ଶʹ͢ͷ؆୯
• Կ࣮ߦͯ͠ಉ͡ঢ়ଶʢႈੑʣ
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͞Βʹ
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ίʔυڞ௨Խ (Ansible Role)
• ͍ͭΠϯετʔϧ(sysstat, git)
• ֤छϛυϧΣΞ(Apache, MySQL)
• ΫϥυʹԠͨ͡ઃఆ(ϝϞϦΩϟογϡ)
͑͏΄ͲRoleࢿ࢈͕૿͑Δ
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Let's Ansible
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࠷ݶඞཁͳ
• Python
• AnsibleίϚϯυ
• inventory
• module
• playbook
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AnsibleίϚϯυ
Πϯετʔϧ
$ pip install ansible
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inventory
࡞ۀରͱͳΔϗετΛهड़͢ΔϑΝΠϧ
[web]
192.168.0.10
[db]
192.168.0.20
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module
ΠϯετʔϧαʔϏεىಈͳͲίϚϯυͷ෦
• yum
• service
$ ansible -i hosts web -m ping
192.168.0.10 | success >> {
"changed": false,
"ping": "pong"
}
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playbook
ϞδϡʔϧΛ࣮࣮ͯ͠ߦ͢Δ෦
- hosts: web
sudo: yes
tasks:
- name: be sure httpd is installed
yum: name=httpd state=installed
- name: be sure httpd is running and enabled
service: name=httpd state=running enabled=yes
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playbook࣮ߦ
$ ansible-playbook -i hosts simple.yml
PLAY [web] ************************************************************
GATHERING FACTS ***************************************************************
ok: [192.168.0.10]
TASK: [be sure httpd is installed] ********************************************
changed: [192.168.0.10]
TASK: [be sure httpd is running and enabled] **********************************
changed: [192.168.0.10]
PLAY RECAP ********************************************************************
192.168.0.10 : ok=3 changed=2 unreachable=0 failed=0
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ଞʹ
• Ϋϥυ
• Vagrant
• Windows
• git
• ωοτϫʔΫػث
ͳͲͳͲ
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AnsibleΛಋೖ͍ͯ͠ΔՕॴ
• αʔόʔϓϩϏδϣχϯά
• ΞϓϦέʔγϣϯσϓϩΠ
Ϋϥυ෦AWS CloudFormationAzure ARM Templateɺ
TerraformΛ͍ͬͯ·͢ɻ
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Ansibleͷӡ༻
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ಈ࡞ڥ
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Πϯετʔϧ؆୯
• yum install ansible
• apt-get install ansible
• pip install ansible
͓Έͷํ๏Ͱ
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όʔδϣϯͷΈ߹Θͤ
• Python 2 (versions 2.6 or 2.7)
• Python 3 (versions 3.5 and higher)
• Ansible 1.x or 2.x
• Playbook࡞࣌ͷAnsibleόʔδϣϯ
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Ansibleઐ༻ಈ࡞ڥ͕͋Δ
• ܧଓతʹϓϩϏδϣϯΠϯά͢ΔͨΊͷڥ͕͋Δ
• όʔδϣϯݻఆ or ߹ΘͤΒΕΔ
• Not ࠷৽͔͠Εͳ͍͕ಈ͘ʹࠔΒͳ͍
!όʔδϣϯճආͰ͖ͦ͏
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Ansibleಈ࡞ڥ͕ͳ͍
• ଞਓʹ࣮ߦͯ͠Β͍͍͚ͨͲಈ࡞ڥʁ
• ୯ൃͷҊ݅
• ίϚϯυΞοϓσʔτޙͷPlaybookಈ͘ʁʢޙํޓʣ
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͍ͨ͜͠ͱ
• ڥґଘ͔Βͷղ์
• ϙʔλϏϦςΟ
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ίϯςφͰղܾͰ͖ͦ͏
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Docker
• Dockerfile
FROM python:3.6-onbuild
CMD [ "ansible", "--version" ]
• requirements.txt
ansible>=2.5.0,<2.6.0
• Docker Build
docker build -t local/ansible:2.5 .
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docker run
$ docker run -it --rm \
-v $HOME/.ssh:/root/.ssh:ro \
-v $PWD:/playbooks \
-w /playbooks \
hawaku/ansible:2.5 \
bash
root@29867ac2540f:/playbooks# ansible -i hosts all -m ping
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alias
alias ansible_2.5='docker run -it --rm \
-v $HOME/.ssh:/root/.ssh:ro \
-v $PWD:/playbooks \
-w /playbooks \
hawaku/ansible:2.5 \
bash'
$ ansible_2.5
root@29867ac2540f:/playbooks# ansible -i hosts all -m ping
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͘͠
playbook
├── site.yml
├── Dockerfile
├── requirements.txt
├── inventories
└── roles
PlaybookʹDockerfileஔ͍ͱ͘
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·ͱΊ
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AnsibleಋೖͷޮՌ
• Πϯϑϥͷߏஙʹֻ͕͔࣌ؒΔ
• !ࣗಈԽͰߏங࣌ؒͷॖɾۭ͖࣌ؒ༗ޮ׆༻
• !ઃఆ࿙Εɾϛε͕ͳ࣭͕҆͘ఆ
• ΠϯϑϥΤϯδχΞෆࡏͰͷΞϓϦέʔγϣϯσϓϩΠ
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ఆ࣌ୀࣾ2
2 http://redhat.lookbookhq.com/jpansiblecomic
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͓·͚
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ࠇ͍ը໘͖Ͱ͢ΑͶʁ
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AWX
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AWXͰͰ͖Δ͜ͱ
• AnsibleίϚϯυͷGUI൛
• Ϣʔβʔೝূ
• ϩʔϧཧ
• ࣮ߦཤྺ
• Rest API
ͳͲͳͲ
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Azure Cloud Shell
ϒϥβͰαʔόʔϨεͰAnsibleಈ͖·͢
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Azure × Ansible
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͓ΘΓ
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