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
2.5k
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
5.4k
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
59
ゲームから学ぶ、いちばん速いインシデント対応
jacopen
1
110
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
4th place solution Eedi - Mining Misconceptions in Mathematics
rist
0
140
Snowflakeの開発・運用コストをApache Icebergで効率化しよう!~機能と活用例のご紹介~
sagara
1
410
OPENLOGI Company Profile for engineer
hr01
1
20k
遷移の高速化 ヤフートップの試行錯誤
narirou
6
1.1k
コンテナサプライチェーンセキュリティ
kyohmizu
1
140
アジャイルな開発チームでテスト戦略の話は誰がする? / Who Talks About Test Strategy?
ak1210
1
460
NFV基盤のOpenStack更新 ~9世代バージョンアップへの挑戦~
vtj
0
340
【詳説】コンテンツ配信 システムの複数機能 基盤への拡張
hatena
0
220
Raycast AI APIを使ってちょっと便利な拡張機能を作ってみた / created-a-handy-extension-using-the-raycast-ai-api
kawamataryo
0
210
Pwned Labsのすゝめ
ken5scal
1
340
ESXi で仮想化した ARM 環境で LLM を動作させてみるぞ
unnowataru
0
160
Cracking the Coding Interview 6th Edition
gdplabs
14
28k
Featured
See All Featured
Producing Creativity
orderedlist
PRO
344
40k
The Power of CSS Pseudo Elements
geoffreycrofte
75
5.5k
4 Signs Your Business is Dying
shpigford
182
22k
The Pragmatic Product Professional
lauravandoore
32
6.4k
The World Runs on Bad Software
bkeepers
PRO
67
11k
The Psychology of Web Performance [Beyond Tellerrand 2023]
tammyeverts
46
2.3k
Writing Fast Ruby
sferik
628
61k
YesSQL, Process and Tooling at Scale
rocio
172
14k
"I'm Feeling Lucky" - Building Great Search Experiences for Today's Users (#IAC19)
danielanewman
226
22k
Six Lessons from altMBA
skipperchong
27
3.6k
The Straight Up "How To Draw Better" Workshop
denniskardys
232
140k
Docker and Python
trallard
44
3.3k
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