Upgrade to Pro — share decks privately, control downloads, hide ads and more …

Write Kubernetes CustomController in Go

71c783224e1fccdb1d02ed37d494247f?s=47 moricho
December 04, 2019
Programming
1
140

Write Kubernetes CustomController in Go

71c783224e1fccdb1d02ed37d494247f?s=128

moricho

December 04, 2019
Tweet

More Decks by moricho

See All by moricho
Enhance Kubernetes Security with Gatekeeper
71c783224e1fccdb1d02ed37d494247f?s=48 moricho
3
660
Deep Dive into Runtime Shim
71c783224e1fccdb1d02ed37d494247f?s=48 moricho
2
1.2k
Recap: Zero Trust Service Mesh with Calico, SPIRE, and Envoy
71c783224e1fccdb1d02ed37d494247f?s=48 moricho
1
630
gVisorで実現するこれからのコンテナセキュリティ
71c783224e1fccdb1d02ed37d494247f?s=48 moricho
5
4.4k
Deep dive into sync.Pool
71c783224e1fccdb1d02ed37d494247f?s=48 moricho
2
780

Other Decks in Programming

See All in Programming
Beyond Micro Frontends: Frontend Moduliths for the Enterprise @wad2022
15934fa2aa7b2ce21f091e9b7cffa856?s=48 manfredsteyer
PRO
0
140
Oracle REST Data Service: APEX Office Hours
0ed10d1154c696886ca483fe827cb299?s=48 thatjeffsmith
0
960
ES2022の新機能
A3efba75cfbb0b7d5248eb74d1d29d79?s=48 smt7174
0
280
Gitlab CIでMRを自動生成する
1a2f29252240936c0ac4db4edab36d41?s=48 forcia_dev_pr
0
120
Imperative is dead, long live Declarative! | Appdevcon
9da5d5cc4b6a9f28058152e28364b02a?s=48 prof18
0
120
What's new in Android development tools まとめ
46b3bc302e3a40f8df60cfb60d59c313?s=48 mkeeda
0
410
VisualProgramming_GoogleHome_LINE
Eeedbe91225c0207014a46f09eea1d30?s=48 nearmugi
1
240
From Java through Scala to Clojure
6dd9394072d0d29aef3692f80298c36d?s=48 lagenorhynque
0
250
CSE360 Tutorial 07
B546a9b97d993392e4b22b74b99b91fe?s=48 javiergs
PRO
0
110
設計の学び方：自分流のススメ
8f84b7d8869ef6005d89b378e8661f7c?s=48 masuda220
PRO
10
7.6k
模組化的Swift架構(二) DDD速成
A3d3b179955bdea9fc05b3251f1b1f10?s=48 haifengkao
0
390
データ分析やAIの "運用" について考える
5b1f54cf0af2f41f7c1bf93ce0f0debf?s=48 mmorito
0
150

Featured

See All Featured
Agile that works and the tools we love
462dad0dd24c568a32dcdb0ae895ae1b?s=48 rasmusluckow
319
19k
GraphQLとの向き合い方2022年版
893f54413c2bd9ba41d11d753aacaf2c?s=48 quramy
16
8.3k
The Art of Programming - Codeland 2020
719435d98d452de7ac367c828266cf01?s=48 erikaheidi
32
11k
Building Applications with DynamoDB
39488f9d172ab92fd352f2cd7b73258d?s=48 mza
83
4.7k
Dealing with People You Can't Stand - Big Design 2015
44b54d2ffcb7857004071cc6795dde11?s=48 cassininazir
351
21k
Building an army of robots
5f2da528927a2ec9ba4fec2069cbc958?s=48 kneath
299
40k
Thoughts on Productivity
A16eb159db895e3b01d3dc95767ad595?s=48 jonyablonski
43
2.3k
jQuery: Nuts, Bolts and Bling
9cde37f47e4a800ea081ea42de8d749a?s=48 dougneiner
56
6.4k
Producing Creativity
Ae14cc4491ac334f9cd23f9f93b4305e?s=48 orderedlist
PRO
334
37k
Distributed Sagas: A Protocol for Coordinating Microservices
9128d500301ae51524e887bb680f471d?s=48 caitiem20
315
19k
Designing on Purpose - Digital PM Summit 2013
7653c7c449918ff6542880a8c284f5e7?s=48 jponch
106
5.6k
GitHub's CSS Performance
64827b31aef81498662e8af4bd6d5157?s=48 jonrohan
1020
420k

Transcript

  1. Write Kubernetes CustomController in Go golang.tokyo #28 Dec.4

  2. None

  3. OVERVIEW golang.tokyo #28 Dec.4 ɾk8sͷ༻ޠͷ͓͞Β͍ ɾcontroller-runtimeΛ࢖࣮ͬͨ૷ ɾk8sͷControllerͱ͸ʁ

  4. k8sͷ͓͞Β͍ ɾPod : ϫʔΫϩʔυͷ࠷খ୯Ґ ex. Goίϯςφ(API) + fluentdίϯςφ(logging) ɾReplicaSet :

    ͋ΔPodͷू߹

  5. k8sͷControllerͱ͸ʁ k8s͸Manifest(yaml)Ͱ๬·͍͠ঢ়ଶΛએݴ => ͦͷঢ়ଶΛҡ࣋͠ଓ͚Δ ref) Operator Basic in CNDK2019 -

    speakerdeck

  6. k8sͷControllerͱ͸ʁ

  7. k8sͷControllerͱ͸ʁ

  8. k8sͷControllerͱ͸ʁ

  9. k8sͷControllerͱ͸ʁ k8s͸಺෦Ͱ͜ͷॲཧΛ
 ܁Γฦ͍ͯ͠Δ => ͋Δ΂͖ঢ়ଶͱ
 ɹ ݱࡏͷঢ়ଶΛ߹ΘͤΔ

  10. CustomController controller͸ࣗલͰ࡞Δ͜ͱ΋Ͱ͖Δ => ͦΕ͕CustomController kubernetes-sigs/controller-runtime ͱ͍͏ϥΠϒϥϦ͕ఏڙ͞Ε͍ͯΔ

  11. controller-runtimeΛ ࢖࣮ͬͨ૷ ࠓճͷαϯϓϧɿ ReplicaSet͕࡞੒͞ΕͨΒɺ ͦͷ؅ཧԼͷίϯςφ໊Λදࣔ͢Δ ίϯτϩʔϥʔ

  12. controller-runtimeΛ ࢖࣮ͬͨ૷ (controller.go) ͲͷϦιʔεΛऔಘͯ͠ɺͲ͏͍͏ॲཧΛ࣮ߦ͢Δ͔ ɾ Reconciler ɾ

  13. controller-runtimeΛ ࢖࣮ͬͨ૷ (controller.go) Namespace, Ϧιʔε(ReplicaSet)Λࢦఆͯ͠ɺ Ϧιʔεͷ৘ใΛऔಘɺίϯςφ໊Λग़ྗ ɾ

  14. controller-runtimeΛ ࢖࣮ͬͨ૷ (main.go) ControllerΛੜ੒ ɾ ઌ΄Ͳఆٛͨ͠ReconcilerΛࢦఆ ɾ

  15. controller-runtimeΛ ࢖࣮ͬͨ૷ (main.go) ɾࢦఆͨ͠ϦιʔεΛControllerͰ؂ࢹ ɾ ɾReplicaSetʹߋ৽͕͋ͬͨΒɺઌ΄ͲͷॲཧΛ࣮ߦ

  16. controller-runtimeΛ ࢖࣮ͬͨ૷ ReplicaSetΛ࡞੒ͨ͠Βɺ ͦͷ؅ཧԼͷίϯςφͷ໊લ͕ දࣔ͞Εͨ 70ߦ͘Β͍Ͱ؆୯ʹॻ͚ͨ

  17. ࣮༻తͳControllerΛ࡞͍͖͍ͬͯͨ

  18. ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ