Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Terraform x OPA/Conftest の tips
Search
Ryo Kubota
July 07, 2021
Technology
0
1k
Terraform x OPA/Conftest の tips
OPA/Conftest で Terraform を扱う際の tips のまとめ
Ryo Kubota
July 07, 2021
Tweet
Share
More Decks by Ryo Kubota
See All by Ryo Kubota
TerraformのレビューをConftestで自動化する
ryokbt
3
1.6k
Handling TV Ad Traffic Influx with Microservices
ryokbt
0
1.5k
Other Decks in Technology
See All in Technology
ドメイン特化なCLIPモデルとデータセットの紹介
tattaka
1
460
Node-REDのFunctionノードでMCPサーバーの実装を試してみた / Node-RED × MCP 勉強会 vol.1
you
PRO
0
130
ビギナーであり続ける/beginning
ikuodanaka
1
200
KubeCon + CloudNativeCon Japan 2025 Recap by CA
ponkio_o
PRO
0
250
登壇ネタの見つけ方 / How to find talk topics
pinkumohikan
5
590
生成AI活用の組織格差を解消する 〜ビジネス職のCursor導入が開発効率に与えた好循環〜 / Closing the Organizational Gap in AI Adoption
upamune
5
4.5k
React開発にStorybookとCopilotを導入して、爆速でUIを編集・確認する方法
yu_kod
1
100
Lazy application authentication with Tailscale
bluehatbrit
0
110
無意味な開発生産性の議論から抜け出すための予兆検知とお金とAI
i35_267
0
940
作曲家がボカロを使うようにPdMはAIを使え
itotaxi
0
390
OPENLOGI Company Profile for engineer
hr01
1
33k
タイミーのデータモデリング事例と今後のチャレンジ
ttccddtoki
4
1.4k
Featured
See All Featured
GitHub's CSS Performance
jonrohan
1031
460k
[RailsConf 2023] Rails as a piece of cake
palkan
55
5.6k
Product Roadmaps are Hard
iamctodd
PRO
54
11k
Stop Working from a Prison Cell
hatefulcrawdad
270
20k
Fight the Zombie Pattern Library - RWD Summit 2016
marcelosomers
233
17k
A designer walks into a library…
pauljervisheath
207
24k
The Illustrated Children's Guide to Kubernetes
chrisshort
48
50k
Fireside Chat
paigeccino
37
3.5k
How GitHub (no longer) Works
holman
314
140k
Done Done
chrislema
184
16k
The Art of Delivering Value - GDevCon NA Keynote
reverentgeek
15
1.5k
Being A Developer After 40
akosma
90
590k
Transcript
5FSSBGPSNY01"$POGUFTUͷ UJQT Open Policy Agent Rego Knowledge Sharing Meetup
#2021.07 Ryo Kubota @ryok6t
• Ryo Kubota (@ryok6t) • FiNC Technologies • SRE Team
manager ࣗݾհ
લఏ • ϚΠΫϩαʔϏεΛ AWS EKS ্ʹσϓϩΠ • ֤αʔϏεͷΠϯϑϥҎԼͰίʔυཧ • Kubernetes
ͷ manifest • Terraform • ֤։ൃνʔϜ͕ࣗͰ͜ΕΒͷίʔυΛॻ͍͍ͯΔ • ࣭ͷ୲อͷͨΊʹ Conftest Λར༻
Ҏલͷൃද • https://speakerdeck.com/ryokbt/terraformfalserebiyuwoconftestdezi-dong-hua-suru
ຊͷ༰ • ʢಛʹʣTerraform Ͱ OPA Λ͏߹ͷͪΐͬͱͨ͠ίπ • ͕ࣗ OPA Λಋೖ͢ΔલʹΓ͔ͨͬͨ͜ͱͷ·ͱΊ
·ͣQMBOΛ+40/ʹ • plan ݁ՌΛ JSON ʹ͢Δͱ͜Ζ͔Β • terraform plan -out
plan.tfplan • terraform show -json plan.tfplan | conftest test -
5FSSBGPSNQMBOͷ+40/ ϦιʔεͱͦΕʹର͢ΔมߋҰཡ Ճ͑Δૢ࡞ʢDSFBUF VQEBUFͳͲʣ Ϧιʔεͷใ มߋલมߋޙͷঢ়ଶ
ϙϦγʔΛॻ͘ WJPMBUJPOEFOZXBSOͷQSFpYΛ͚ͭΔ • ʮresource type ͕ security group Ͱɺport ͕
ϑϧΦʔϓϯͳͷ͕1ݸͰ͋Ε violationʯ
ڞ௨ͷॲཧΛ·ͱΊΔ • ڞ௨ͷॲཧΛ͢Δέʔε͕ଟ͍ • e.g. ಛఆͷ resource type ͷ࣌ͷΈద༻͢Δ •
ઌͷྫͩͱɺsecurity group ͷ͚࣌ͩద༻͢ΔͳͲ • ຖճॻ͘ͷ໘
GVODUJPOΛͬͨڞ௨ॲཧ ड͚औͬͨUZQFʹ ͯ·Δͷ͚ͩΛฦ͢
ڞ௨ॲཧΛผͷϑΝΠϧʹΓग़͢ • ڞ௨ॲཧ༻ͷ package Λ࡞͓ͬͯ͘
ڞ௨ॲཧΛผϑΝΠϧ͔Βݺͼग़͢ ڞ௨ॲཧ༻ͷQBDLBHFΛJNQPSU CBTFSFTPVSDFTͰݺͼग़ͤΔΑ͏ʹ
ྫ֎έʔεΛѻ͏ • There is no rule without exceptions • ಛఆͷϦιʔε͚ͩϧʔϧͷର֎ʹ͍ͨ͠έʔε͕ଘࡏ
lFYDFQUJPOzΛͬͯྫ֎ʹରԠ • ྫ֎ͷϩδοΫʹͯ·ͬͨ߹ɺrules Ͱࢦఆͨ͠ ͷແࢹ͞ΕΔ • ҎԼͰ “deny_foo”, “violation_foo” ͳͲ͕ແࢹ͞ΕΔ
ςετΛॻ͘ • Rego ͷจ๏ʹΫη͕͋ΔͨΊɺςετ͕ॏཁ • Conftest ࣗମͰ؆୯ʹςετ͕Մೳ
ςετͷํ๏ • foo.rego ʹରͯ͠ɺfoo_test.rego ͱ͍͏ϑΝΠϧΛ༻ҙ • conftest verify Λ࣮ߦ
ςετͷྫʢWJPMBUJPOʹͳΔέʔεʣ ϑϧΦʔϓϯʹͳ͍ͬͯΔͷͰ WJPMBUJPOʹͳΔ͜ͱΛςετ
ςετίʔυͷߏ QMBOͷ+40/ͱಉ͡ߏͰ ςετσʔλΛੜ XJUIBTΛͬͯ ςετσʔλΛ༩͑Δ
ςετͷྫ WJPMBUJPOʹͳΒͳ͍έʔε
ςετͷྫ WJPMBUJPOʹͳΒͳ͍έʔε • not Λ͚ͭΔ͚ͩ
ςετσʔλʹ͍ͭͯ • ެࣜυΩϡϝϯτͰɺςετίʔυʹ JSON Λ ॻ͍͍ͯΔ • Ҿ༻: https://www.openpolicyagent.org/docs/latest/policy-testing/
ςετσʔλʹ͍ͭͯ • ͔͠͠ JSON Λॻ͘ͱਏ͍έʔε͕ଟ͍ • ݱࡏ yaml Ͱॻ͍ͯ yaml.unmarshal
͍ͯ͠Δ
࠷ޙʹσόοάʹ͍ͭͯ • policy ͦͷςετΛॻ͍͍ͯΔͱσόοά͕ͨ͘͠ͳΔ • ҙͷՕॴʹ trace(string) ΛࠐΉ͜ͱͰσόοάग़ྗ ͕Մೳ •
`—trace` Φϓγϣϯ͖Ͱ Conftest Λ࣮ߦ