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
KubernetesのPetSetsの話
Search
Kazuto Kusama
September 16, 2016
Technology
1
220
KubernetesのPetSetsの話
社内コンテナ勉強会で喋った機能。
PetSetsを使うことで、従来のStatefulなアプリケーションもKubernetes上で動かしやすくなります
Kazuto Kusama
September 16, 2016
Tweet
Share
More Decks by Kazuto Kusama
See All by Kazuto Kusama
トラシューアニマルになろう ~開発者だからこそできる、安定したサービス作りの秘訣~
jacopen
3
2.6k
あなたの興味は信頼性?それとも生産性? SREとしてのキャリアに悩むみなさまに伝えたい選択肢
jacopen
6
5.5k
PaaSの歴史と、 アプリケーションプラットフォームのこれから
jacopen
7
2.1k
AI x インシデント管理で拡げるサービスオーナーシップ
jacopen
0
160
間違いだらけのポストモーテム - ホントに役立つレビューはこうだ!
jacopen
7
1.5k
2024/10 PagerDuty機能アップデート
jacopen
1
61
ゲームから学ぶ、いちばん速いインシデント対応
jacopen
1
120
PEK2024 Recap
jacopen
2
180
クラウドネイティブの本質から考える、生産性と信頼性の両立
jacopen
3
940
Other Decks in Technology
See All in Technology
ESXi で仮想化した ARM 環境で LLM を動作させてみるぞ
unnowataru
0
180
LINEギフトにおけるバックエンド開発
lycorptech_jp
PRO
0
320
Apache Iceberg Case Study in LY Corporation
lycorptech_jp
PRO
0
340
急成長する企業で作った、エンジニアが輝ける制度/ 20250227 Rinto Ikenoue
shift_evolve
0
140
あなたが人生で成功するための5つの普遍的法則 #jawsug #jawsdays2025 / 20250301 HEROZ
yoshidashingo
2
310
データベースの負荷を紐解く/untangle-the-database-load
emiki
2
530
IAMのマニアックな話2025
nrinetcom
PRO
5
1.1k
生成AI×財務経理:PoCで挑むSlack AI Bot開発と現場巻き込みのリアル
pohdccoe
1
740
NFV基盤のOpenStack更新 ~9世代バージョンアップへの挑戦~
vtj
0
360
AWSアカウントのセキュリティ自動化、どこまで進める? 最適な設計と実践ポイント
yuobayashi
7
640
OPENLOGI Company Profile
hr01
0
60k
脳波を用いた嗜好マッチングシステム
hokkey621
0
290
Featured
See All Featured
4 Signs Your Business is Dying
shpigford
182
22k
The Straight Up "How To Draw Better" Workshop
denniskardys
232
140k
CSS Pre-Processors: Stylus, Less & Sass
bermonpainter
356
29k
Designing on Purpose - Digital PM Summit 2013
jponch
117
7.1k
Practical Orchestrator
shlominoach
186
10k
Helping Users Find Their Own Way: Creating Modern Search Experiences
danielanewman
29
2.4k
Making the Leap to Tech Lead
cromwellryan
133
9.1k
Measuring & Analyzing Core Web Vitals
bluesmoon
6
260
The Pragmatic Product Professional
lauravandoore
32
6.4k
個人開発の失敗を避けるイケてる考え方 / tips for indie hackers
panda_program
100
18k
[RailsConf 2023] Rails as a piece of cake
palkan
53
5.3k
Typedesign – Prime Four
hannesfritz
40
2.5k
Transcript
LTͷ1FU4FUTͷ
Kazuto Kusama @jacopen
࠷ۙͷ ࠷ۙͷ͕ͬͯΔϓϩδΣΫτͰɺͳΜͱ͔ελοΫͷͳΜͱ͔ ͍ͬͯ͏ͭΛ͍ͬͯΔͷͰɺRabbitMQ͕ඞཁʹͳͬͨ ӡ༻ج൫ʹk8sΛ͍ͬͯΔΜͰɺRabbitMQΫϥελΛk8sʹ͏
k8sͰී௨ʹ্͛ͨ߹ (Deployments, Replication Controller) kind: Deployment metadata: name: rabbitmq spec:
replicas: 3 template: metadata: labels: app: rabbitmq spec: containers: - name: rabbitmq image: rabbitmq:latest
k8sͰී௨ʹ্͛ͨ߹ (Deployments, Replication Controller) jacopen@ssh2:~/kubernetes$ kubectl get pods NAME READY
STATUS RESTARTS AGE rabbitmq-4239234776-8bs65 1/1 Running 0 2m rabbitmq-4239234776-amzjt 1/1 Running 0 2m rabbitmq-4239234776-wq6s4 1/1 Running 0 2m
MQ MQ MQ 3ඖͷRabbitMQ
MQ MQ MQ 3ඖͷRabbitMQ ΫϥελΛΜͰΈΑ͏
$ rabbitmqctl join_cluster rabbit@rabbitmq-0 OR rabbitmq.config [ { rabbit, [
{loopback_users, []}, {cluster_nodes, {[‘rabbit@rabbitmq-0', 'rabbit@rabbitmq-1'], ram}} ] } ].
MQ MQ MQ ΄ɺϗετ໊ɾɾɾ rabbitmq-4239234776-8bs65 rabbitmq-4239234776-amzjt rabbitmq-4239234776-wq6s4 ܾ·ͬͨϗετ໊ʹͳΒͳ্͍ʹɺ૬ޓͷ௨৴खஈ͕ͳ͍
MQ MQ MQ ແཧཧk8sͰ࣮ݱ rabbitmq-4239234776-8bs65 rabbitmq-4239234776-amzjt rabbitmq-4239234776-wq6s4 Service rabbitmq-0 Service
rabbitmq-1 Service rabbitmq-2
MQ MQ MQ ແཧཧk8sͰ࣮ݱ rabbitmq-4239234776-8bs65 rabbitmq-4239234776-amzjt rabbitmq-4239234776-wq6s4 Service rabbitmq-0 Service
rabbitmq-1 Service rabbitmq-2
MQ MQ MQ yamlࠈ rabbitmq-4239234776-8bs65 rabbitmq-4239234776-amzjt rabbitmq-4239234776-wq6s4 Service rabbitmq-0 Service
rabbitmq-1 Service rabbitmq-2 yaml yaml yaml yaml yaml yaml
MQ MQ MQ ϝϯςͷͨΊʹఀࢭ͠Α͏ $ kubectl delete -f … rabbitmq-4239234776-8bs65
rabbitmq-4239234776-amzjt rabbitmq-4239234776-wq6s4 Service rabbitmq-0 Service rabbitmq-1 Service rabbitmq-2 yaml yaml yaml yaml yaml yaml
ϝϯςͷͨΊʹఀࢭ͠Α͏ rabbitmq-4239234776-8bs65 rabbitmq-4239234776-amzjt rabbitmq-4239234776-wq6s4
$BUUMF Ոச
Cattle or Pets • εέʔϧ͢ΔΞʔΩςΫνϟͷͨΊʹɺ֤ϊʔυΛՈசͷΑ ͏ʹѻ͏ඞཁ͕͋Δ • ΫϥυωΠςΟϒͳੈքͰׂͱ;ͭʔ • ͱ͍͑ɺશͯͷΞϓϦ͕ͦ͏࡞ΕΔΘ͚͡Όͳ͍
PetSets is Կ • ݱߦͷk8s 1.3ͰΞϧϑΝ൛͕࣮͞Εͨػೳ • ΫϥυωΠςΟϒͰͳ͍;ͭʔͷΞϓϦέʔγϣϯΛ k8sͰಈ͔͘͢͠͠Α͏ͥ ɹͱ͍͏ػೳ
PetSetͰ্͛ͨ߹ jacopen@ssh2:~/kubernetes$ kubectl get pods NAME READY STATUS RESTARTS AGE
rabbitmq-0 1/1 Running 0 18s rabbitmq-1 1/1 Running 0 12s rabbitmq-2 1/1 Running 0 7s
root@rabbitmq-0:/# hostname rabbitmq-0 root@rabbitmq-0:/# ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu
65536 qdisc noqueue state UNKNOWN group default qlen 1 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 727: eth0@if728: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1350 qdisc noqueue state UP group default link/ether 02:42:ac:20:52:11 brd ff:ff:ff:ff:ff:ff inet 172.32.82.17/24 scope global eth0 valid_lft forever preferred_lft forever inet6 fe80::42:acff:fe20:5211/64 scope link tentative dadfailed valid_lft forever preferred_lft forever root@rabbitmq-0:/# ping rabbitmq-1.rabbitmq PING rabbitmq-1.rabbitmq.petset.svc.cluster.local (172.32.41.13) 56(84) bytes of data. 64 bytes from 172.32.41.13: icmp_seq=1 ttl=62 time=0.575 ms 64 bytes from 172.32.41.13: icmp_seq=2 ttl=62 time=0.752 ms
0 1 2 0൪͔Βॱ൪ʹ্͛ͯ͘ΕΔ
0 1 2 େ͖͍൪߸͔Βॱʹམͱͯ͘͠ΕΔ ŋŋŋͣ
http://kubernetes.io/docs/user-guide/petset/
ॴײ • ·ͩ·ͩαͳͷͰ͓͔͠ͳಈ͖ଟ͠ • ࣮ઓೖ·ͩແཧɻ1.41.5͋ͨΓʹظ • ͱ͍͑ɺStateless͚ͩͰͳ͘Statefulαϙʔτ͢ΔྲྀΕ ແࢹग़དྷͳ͍Ͷ