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
Vault Secrets Operator Tutorial
Search
ry
April 17, 2023
Technology
0
490
Vault Secrets Operator Tutorial
Vault Secrets Operatorの使用感について登壇した資料。
ry
April 17, 2023
Tweet
Share
More Decks by ry
See All by ry
eBPF Tools on Kubernetes part1
ry
0
240
KyvernoとRed Hat ACMを用いたマルチクラスターの一元的なポリシー制御
ry
0
1k
明日から始められるKyvernoを用いたポリシー制御
ry
3
730
CNDT2022 k8snovice Community introduction
ry
0
120
Policy Engine on Kubernetes
ry
1
1.3k
ConfigMap and Secret
ry
0
330
Policy Manager試してみた!
ry
0
390
Kubernetes APIに Pod内からアクセスしてみた
ry
1
1.7k
AKS 101 in Kubernetes Novice Tokyo #1
ry
0
630
Other Decks in Technology
See All in Technology
IAMのマニアックな話 2025 ~40分バージョン ~
nrinetcom
PRO
8
930
サーバシステムを無理なくコンテナ移行する際に伝えたい4つのポイント/Container_Happy_Migration_Method
ozawa
1
100
30代エンジニアが考える、エンジニア生存戦略~~セキュリティを添えて~~
masakiokuda
4
2k
20250328_RubyKaigiで出会い鯛_____RubyKaigiから始まったはじめてのOSSコントリビュート.pdf
mterada1228
0
130
銀行でDevOpsを進める理由と実践例 / 20250317 Masaki Iwama
shift_evolve
1
110
DevOps文化を育むQA 〜カルチャーバブルを生み出す戦略〜 / 20250317 Atsushi Funahashi
shift_evolve
1
110
ソフトウェアプロジェクトの成功率が上がらない原因-「社会価値を考える」ということ-
ytanaka5569
0
130
caching_sha2_passwordのはなし
boro1234
0
220
AWS のポリシー言語 Cedar を活用した高速かつスケーラブルな認可技術の探求 #phperkaigi / PHPerKaigi 2025
ytaka23
7
1.5k
Cline、めっちゃ便利、お金が飛ぶ💸
iwamot
19
19k
技術好きなエンジニアが _リーダーへの進化_ によって得たものと失ったもの / The Gains and Losses of a Tech-Enthusiast Engineer’s “Evolution into Leadership”
kaminashi
0
210
初めてのPostgreSQLメジャーバージョンアップ
kkato1
0
440
Featured
See All Featured
Art, The Web, and Tiny UX
lynnandtonic
298
20k
Cheating the UX When There Is Nothing More to Optimize - PixelPioneers
stephaniewalter
280
13k
Six Lessons from altMBA
skipperchong
27
3.7k
Exploring the Power of Turbo Streams & Action Cable | RailsConf2023
kevinliebholz
31
4.8k
Building Adaptive Systems
keathley
41
2.5k
Imperfection Machines: The Place of Print at Facebook
scottboms
267
13k
Embracing the Ebb and Flow
colly
85
4.6k
The Power of CSS Pseudo Elements
geoffreycrofte
75
5.7k
Fight the Zombie Pattern Library - RWD Summit 2016
marcelosomers
233
17k
KATA
mclloyd
29
14k
Building Better People: How to give real-time feedback that sticks.
wjessup
367
19k
The Invisible Side of Design
smashingmag
299
50k
Transcript
Vault Secrets Operator Tutorial Kubernetes Novice Tokyo #24 Ryotaro Uwatsu
Copyright © Dell Inc. All Rights Reserved. Internal Use -
Confidential 2 ࣗݾհ Name: Ryotaro Uwatsu (Twitter: @URyo_0213) Title: Solutions Architect Community: - Kubernetes Meetup Novice ӡӦ - Kubenews
Copyright © Dell Inc. All Rights Reserved. Internal Use -
Confidential 3 Table of Contents • What’s HashiCorp Vault • How to use Vault Secrets Operator
Copyright © Dell Inc. All Rights Reserved. Internal Use -
Confidential 4 What’s HashiCorp Vault
Copyright © Dell Inc. All Rights Reserved. Internal Use -
Confidential 5 HashiCorp Vault HashiCorp VaultɺγʔΫϨοτΛηΩϡΞʹཧ͢Δ͜ͱ͕Մೳͳπ ʔϧͰ͢ɻ ༷ʑͳΞΫηεํࣜΛ༻͍ͯɺϙϦγʔʹԊͬͨγʔΫϨοτͷΞΫ ηε͕ՄೳͰ͢ɻ ҎԼͷΑ͏ʹ༷ʑͳܗࣜͷγʔΫϨοτΛཧ͢Δ͜ͱ͕Մೳͱͳͬͯ ͍·͢ɻ • γʔΫϨοτཧ • User identityཧ • PKI • etc...
Copyright © Dell Inc. All Rights Reserved. Internal Use -
Confidential 6 ͳΜͰVault͕͋Δͱ͏Ε͍͠ͷ͔ Secretͷσʔλɺbase64ͰΤϯίʔυ͞Ε͍ͯΔ͚ͩͰɺ͙͢ʹղಡͰ͖ͯ͠·͍·͢ɻ
Copyright © Dell Inc. All Rights Reserved. Internal Use -
Confidential 7 ͳΜͰVault͕͋Δͱ͏Ε͍͠ͷ͔ ηΩϡΞʹSecretΛཧ͢Δํ๏ʹɺSealed Secretͱ͍ͬͨιϦϡʔγϣϯ͕͋ͬͨΓ͢Δ͕ɺ ͕૿͑ͯ͠·ͬͨΓ͢Δͱཧ͕ࡶʹͳͬͯ͠·ͬͨΓɺΫϥελʔຖʹཧ͠ͳ͚Εͳ Βͳ͔ͬͨΓ͢ΔͷͰɺҰݩతʹγʔΫϨοτΛཧ͍ͯͨ͠͠ͱײͯ͡͠·͏Ͱ͠ΐ͏ɻ AWSͷSecret ManagerͷΑ͏ͳΈ͋Δ͕ɺύϒϦοΫΫϥυͳͲʹΞΫηεͰ͖ͳ͔ͬ ͨΓɺͦ͜ʹஔ͘͜ͱͷͰ͖ͳ͍ใ͋Δ͔ͱࢥ͍·͢ɻ
Copyright © Dell Inc. All Rights Reserved. Internal Use -
Confidential 8 KubernetesͷγʔΫϨοτͷద༻ (ެࣜ) • Agent Injector – Init ContainerͰγʔΫϨοτΛಛఆͷσΟϨΫτϦʹૠೖ͠ɺҎޙมߋ͕͋ͬͨ߹Sidecar Agent͕มߋΛө͠·͢ɻ • CSI Provider – CSIΛ༻͍ͯɺVolumeͱͯ͠SecretΛPodʹ༩͑·͢ɻ (ίϛϡχςΟ) • External Secret – ExternalSecret(CRD)Λ༻͍ͨSecretϦιʔεͷ࡞Λ͠·͢ɻ
Copyright © Dell Inc. All Rights Reserved. Internal Use -
Confidential 9 KubernetesͷγʔΫϨοτͷద༻ (ެࣜ) • Agent Injector – Init ContainerͰγʔΫϨοτΛಛఆͷσΟϨΫτϦʹૠೖ͠ɺҎޙมߋ͕͋ͬͨ߹Sidecar Agent͕มߋΛө͠·͢ɻ • CSI Provider – CSIΛ༻͍ͯɺVolumeͱͯ͠SecretΛPodʹ༩͑·͢ɻ (ίϛϡχςΟ) • External Secret – ExternalSecret(CRD)Λ༻͍ͨSecretϦιʔεͷ࡞Λ͠·͢ɻ
Copyright © Dell Inc. All Rights Reserved. Internal Use -
Confidential 10 KubernetesͷγʔΫϨοτͷద༻ (ެࣜ) • Agent Injector – Init ContainerͰγʔΫϨοτΛಛఆͷσΟϨΫτϦʹૠೖ͠ɺҎޙมߋ͕͋ͬͨ߹Sidecar Agent͕มߋΛө͠·͢ɻ • CSI Provider – CSIΛ༻͍ͯɺVolumeͱͯ͠SecretΛPodʹ༩͑·͢ɻ (ίϛϡχςΟ) • External Secret – ExternalSecret(CRD)Λ༻͍ͨSecretϦιʔεͷ࡞Λ͠·͢ɻ
Copyright © Dell Inc. All Rights Reserved. Internal Use -
Confidential 11 ৄ͘͠... Kubernetes Novice Tokyo #15 ͰɺHashiCorpͷؒ͞Μ͕ൃද͍͍ͯͨͩͨ͠ࢿྉΛࢀর͍ͩ͘͞ɻ https://speakerdeck.com/jacopen/k8stovaultwozu-mihe-wasetesikuretutowomotutosekiyuani
Copyright © Dell Inc. All Rights Reserved. Internal Use -
Confidential 12 ͜Ε·Ͱͷ γʔΫϨοτใΛڥมͳͲʹద༻͍ͨ͠߹... ྫ) Agent Injector templateʹ͓͍ͯexport͢ΔΑ͏ʹॻ͖ɺίϯςφͰsourceίϚϯυΛ༻͍ͯద༻͠ͳ͚Εͳ ΒͳΓ·ͤΜɻ
Copyright © Dell Inc. All Rights Reserved. Internal Use -
Confidential 13 ͜Ε·Ͱͷ γʔΫϨοτใΛڥมͳͲʹద༻͍ͨ͠߹... ྫ) CSI Provider ઃఆՄೳ͕ͩɺߋ৽ͨ͠߹ʹөͯ͘͠Ε·ͤΜɻ
Copyright © Dell Inc. All Rights Reserved. Internal Use -
Confidential 14 Vault Secrets Operatorͷొ 2023/03/29ͷϒϩάʹͯΞφϯε͞Ε·ͨ͠ɻ ※ ·ͩϕʔλͱ͍͏ݐ͚ͳͷͰɺ༻͢Δࡍ͔ͬ͠Γͱݕ౼͍ͯͩ͘͠͞ɻ https://www.hashicorp.com/blog/vault-secrets-operator-a-new-method-for-kubernetes-integration
Copyright © Dell Inc. All Rights Reserved. Internal Use -
Confidential 15 Vault Secrets Operator Vault Secrets Operator ɺ֤छCRDΛ༻͍ͯVaultͱKubernetesΛ࿈ܞͤ͞·͢ɻ OperatorɺVault্ʹ͋ΔγʔΫϨοτσʔλΛλʔήοτͷKubernetes্ʹSecretϦιʔεͱͯ͠࡞͠ɺ ιʔεʹՃ͑ΒΕͨͯ͢ͷมߋ͕ө͞ΕΔΑ͏ʹͯ͘͠Ε·͢ɻ ରԠύλʔϯ • Static Secret – Key-Valueܕ(ver1, ver2) • Dynamic Secret – ύϒϦοΫΫϥυDBͷΞΫηεΛ͢ΔͨΊͷظݶ͖ೝূใΛಈతʹੜ͢Δͷ • PKI – ಈతͳ X.509 ূ໌ॻΛੜ͢Δ
Copyright © Dell Inc. All Rights Reserved. Internal Use -
Confidential 16 How to use Vault Secrets Operator
Copyright © Dell Inc. All Rights Reserved. Internal Use -
Confidential 17 έʔε ɾඪ γʔΫϨοτΛVault͔Βऔಘ͠ɺ default ωʔϜεϖʔεʹSecretϦιʔ εͱͯ͠࡞Ͱ͖ΔΑ͏ʹ͢Δɻ ɾλεΫ 0. ࣄલ४උ 1. Vault Secrets OperatorͷΠϯετʔϧ 2. VaultͷηοςΟϯά 3. VaultConnectionͷ࡞ 4. VaultAuthͷ࡞ 5. VaultStaticSecretͷ࡞
Copyright © Dell Inc. All Rights Reserved. Internal Use -
Confidential 18 0. ࣄલ४උ 1. ࣄલʹHelmΛ༻͍ͯVaultΛ࡞͓ͯ͘͠ඞཁ͕͋Γ·͢ɻ
Copyright © Dell Inc. All Rights Reserved. Internal Use -
Confidential 19 0. ࣄલ४උ 2. γʔΫϨοτΛVault͔Βऔಘ͢ΔࡍͷService AccountΛ࡞͠·͢ɻ
Copyright © Dell Inc. All Rights Reserved. Internal Use -
Confidential 20 1. Vault Secrets OperatorͷΠϯετʔϧ ࠓճɺVaultΛHelmΛ༻͍ͯೖΕͨ߹Λجʹ͍ͯ͠·͢ɻ
Copyright © Dell Inc. All Rights Reserved. Internal Use -
Confidential 21 Vault Secrets Operator CRD Vault Secret OperatorʹΑͬͯཧ͞ΕΔCRDNamespacedͳϦιʔεͱͯ͠ద༻͞Ε·͢ɻ
Copyright © Dell Inc. All Rights Reserved. Internal Use -
Confidential 22 2. VaultͷηοτΞοϓ 1. Key-Value ver2Λ༗ޮԽ͠ɺSecretΛ࡞͠·͢ɻ 2. Policyͷ࡞͠·͢ɻ ※pathɺSecret࡞࣌ͷύεͰͳ͘ ɹ࡞࣌ͷग़ྗͷSecret Path
Copyright © Dell Inc. All Rights Reserved. Internal Use -
Confidential 23 2. VaultͷηοτΞοϓ 3. RoleΛ࡞͠·͢ɻ • auth/kubernetes/role/vso-demo-role – ͜ͷޙɺVaultAuthͰࢦఆ͠·͢[.spec.kubernetes.role] • bound_service_account_names: Service Account໊ – (P.1*) 0-2Ͱ࡞ͨ͠Service Account – ͜ͷޙɺVaultAuthͰࢦఆ͠·͢[.spec.kubernetes.serviceAccount] • bound_service_account_namespaces: γʔΫϨοτΛ࡞͢ΔNamespace • policies: (P.1*) 1-2Ͱ࡞ͨ͠ϙϦγʔ໊
Copyright © Dell Inc. All Rights Reserved. Internal Use -
Confidential 24 3. VaultConnectionͷ࡞ ଓઌͱ͢ΔVaultΛࢦఆ͢ΔϦιʔεͰ͢ɻ [Մมύϥϝʔλ] .spec.address => VaultʹΞΫηε͢ΔΞυϨε ͜ͷଞʹɺHTTPϔομʔTLSͷઃఆΛ͢Δύ ϥϝʔλ͕͋Γ·͢ɻ
Copyright © Dell Inc. All Rights Reserved. Internal Use -
Confidential 25 4. VaultAuthͷ࡞ Vaultʹରͯ͠ɺೝূ͢ΔͨΊʹඞཁͳใΛهड़͢ΔϦιʔεͰ͢ɻ [Մมύϥϝʔλ] .spec.vaultConnectionRef => (P.1*) 3 Ͱ࡞ͨ͠VaultConnectionϦιʔε໊ .spec.kubernetes.role => (P.1*) 2-3 Ͱ࡞ͨ͠Vault্ͷrole .spec.kubernetes.serviceAccount => (P.1*) 0-2 Ͱ࡞ͨ͠Service Account໊
Copyright © Dell Inc. All Rights Reserved. Internal Use -
Confidential 26 5. VaultStaticSecretͷ࡞ Vault͔Βऔಘͨ͠γʔΫϨοτΛɺKubernetes্ʹSecretͱͯ͠࡞͢ΔϦιʔεͰ͢ɻ [Մมύϥϝʔλ] .spec.vaultAuthRef => (P.1*) 4 Ͱ࡞ͨ͠VaultAuthϦιʔε໊ .spec.destination.name => Kubernetes্ʹ࡞͢ΔSecretϦιʔε໊ .spec.mount / .spec.name => (P.1*) 2-1 Ͱ࡞ͨ͠Vault্ͷγʔΫϨοτͷύε mount name
Copyright © Dell Inc. All Rights Reserved. Internal Use -
Confidential 27 5. VaultStaticSecretͷ࡞ ҎԼͷΑ͏ʹɺSecretϦιʔε͕࡞͞Ε·͢ɻ
Copyright © Dell Inc. All Rights Reserved. Internal Use -
Confidential 28 ͠֊͕ਂ͘ͳͬͨ߹Ͳ͏ͨ͠Β͍͍ʁ ઌ΄ͲͷྫͰɺ2֊ͰͷγʔΫϨοτ࡞Λ͔ͨ͠Β͔Γ͔ͬͨ͢ͱࢥ͍·͢ɻ
Copyright © Dell Inc. All Rights Reserved. Internal Use -
Confidential 29 ͠֊͕ਂ͘ͳͬͨ߹Ͳ͏ͨ͠Β͍͍ʁ ֊͕૿͑ͯҎԼͷ௨Γʹద༻͢Δ͜ͱ͕Ͱ͖·͢ɻ
Copyright © Dell Inc. All Rights Reserved. Internal Use -
Confidential 30 ·ͱΊ Sidecar Agent Injector CSI Provider Vault Secrets Operator γʔΫϨοτͷఏڙํ๏ Volume (emptyDir) Volume ڥม Secret γʔΫϨοτλΠϓ Static Dynamic PKI Static Dynamic PKI Static Dynamic PKI ςϯϓϨʔτ ʓ × × (2023/04/17࣌) γʔΫϨοτ ϩʔςʔγϣϯ ʓ × ʓ Vault Secrets OperatorΛ༻͍ͯɺ͜Ε·ͰҎ্ʹγʔΫϨοτΛѻ͍͘͢ͳΓ·ͨ͠ɻ ࠓճհͨ͠ͷҎ֎ʹ༷ʑͳར༻ํ๏͕͋ΔͷͰɺͥͻࢼͯ͠Έ͍ͯͩ͘͞ɻ ଞͷKubernetesͱͷ࿈ܞํ๏ͱͷ؆୯ͳൺֱҎԼͷ௨ΓͰ͢ɻ
None