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
Mackerelコンテナエージェントによる コンテナ監視について / Mackerel Me...
Search
Hayato Imai
March 01, 2019
Technology
1
9.5k
Mackerelコンテナエージェントによる コンテナ監視について / Mackerel Meetup #13 Tokyo
2019/03/01
https://mackerelio.connpass.com/event/118995/
Hayato Imai
March 01, 2019
Tweet
Share
More Decks by Hayato Imai
See All by Hayato Imai
Kubernetes撤退、 その後のはてなの取り組み / kubernetes meetup tokyo number 52
hayajo
9
7.3k
Mackerelにおける Cloud Nativeへの取り組みと チームへ与えた変化 / CloudNative Days Tokyo 2020
hayajo
2
1.5k
MackerelにおけるKubernetes利用の取組みとこれから / Kubernetes Meetup Tokyo #22
hayajo
20
9.9k
Mackerelチームのコンテナ開発における戦略とこれから / 190722-cndt2019
hayajo
1
1.9k
AWSコンテナサービス入門 / nds60-jaws-ug
hayajo
0
3k
コンテナのメトリクスと モニタリングパターン / 190320-sakura-event
hayajo
6
1.7k
Docker for Mac/Windows ではじめる Kubernetes / NDS55 Docker with Kubernetes
hayajo
16
15k
Terrafromで構築するマルチクラウドプラットフォームインフラストラクチャ / NDS53 Terraform
hayajo
0
430
Ncatをつかおう / Use Ncat
hayajo
1
3.7k
Other Decks in Technology
See All in Technology
Mambaで物体検出 完全に理解した
shirarei24
2
220
相互運用可能な学修歴クレデンシャルに向けた標準技術と国際動向
fujie
0
210
【OptimizationNight】数理最適化のラストワンマイルとしてのUIUX
brainpadpr
1
320
2025新卒研修・HTML/CSS #弁護士ドットコム
bengo4com
3
13k
Kiroでインフラ要件定義~テスト を実施してみた
nagisa53
3
310
LLMでAI-OCR、実際どうなの? / llm_ai_ocr_layerx_bet_ai_day_lt
sbrf248
0
430
Agent Development Kitで始める生成 AI エージェント実践開発
danishi
0
130
【CEDEC2025】『Shadowverse: Worlds Beyond』二度目のDCG開発でゲームをリデザインする~遊びやすさと競技性の両立~
cygames
PRO
1
290
ロールが細分化された組織でSREと協働するインフラエンジニアは何をするか? / SRE Lounge #18
kossykinto
0
190
金融サービスにおける高速な価値提供とAIの役割 #BetAIDay
layerx
PRO
1
750
LLMをツールからプラットフォームへ〜Ai Workforceの戦略〜 #BetAIDay
layerx
PRO
1
880
Serverless Meetup #21
yoshidashingo
1
110
Featured
See All Featured
The MySQL Ecosystem @ GitHub 2015
samlambert
251
13k
The Pragmatic Product Professional
lauravandoore
36
6.8k
Embracing the Ebb and Flow
colly
86
4.8k
Chrome DevTools: State of the Union 2024 - Debugging React & Beyond
addyosmani
7
790
KATA
mclloyd
31
14k
Cheating the UX When There Is Nothing More to Optimize - PixelPioneers
stephaniewalter
283
13k
How To Stay Up To Date on Web Technology
chriscoyier
790
250k
Building Flexible Design Systems
yeseniaperezcruz
328
39k
A better future with KSS
kneath
238
17k
The Art of Delivering Value - GDevCon NA Keynote
reverentgeek
15
1.6k
Imperfection Machines: The Place of Print at Facebook
scottboms
267
13k
The World Runs on Bad Software
bkeepers
PRO
70
11k
Transcript
MackerelίϯςφΤʔδΣϯτʹΑΔ ίϯςφࢹʹ͍ͭͯ .BDLFSFM.FFUVQ JEIBZBKP@
ࣗݾհ • ࠓҪ൏ਓ(id:hayajo_77) • MackerelνʔϜ SRE • 201711݄ೖࣾ • ίϯςφཁૉٕज़ɺपลٕज़
ίϯςφٕज़ೖԾԽͱͷҧ͍ΛΓɺཁૉٕज़Λ৮ֶͬͯ΅͏ IUUQTFNQMPZNFOUFOKBQBODPNFOHJOFFSIVCFOUSZ
ΞδΣϯμ • MackerelίϯςφΤʔδΣϯτͷհ • ϝτϦοΫऔಘઓུղઆ • ࠓޙͷίϯςφΤʔδΣϯτ • ·ͱΊ
MackerelίϯςφΤʔδΣϯτͷհ
MackerelίϯςφΤʔδΣϯτ ʢύϒϦοΫϕʔλʣΛެ։͠·ͨ͠ https://mackerel.io/ja/blog/entry/weekly/20190218
ύϒϦοΫϕʔλͱ • কདྷతʹਖ਼ࣜͳαʔϏεϦϦʔεΛߦ͏༧ఆ͕͋ΔػೳΛઌߦͯ͠ ެ։ • ׆ൃʹมߋΛߦ͍ɺ৽͍͠όʔδϣϯΛఏڙ • ࣄલࠂͷ্Ͱඇޓमਖ਼Λ࣮ࢪ
OSSͱͯ͠ެ։ • DockerHub • mackerel/mackerel-container-agent • GitHub • mackerelio/mackerel-container-agent •
IssuePRݪଇӳޠͰ͓ئ͍͠·͢
ίϯςφઐ༻ͷܰྔΤʔδΣϯτ • ίϯςφઐ༻ͱͯ͠࠶ઃܭ • Amazon ECS, AWS Fargate, KubernetesʹରԠ •
1λεΫ/Podʹ͖ͭ1ϗετͱͯ͠Χϯτ • ʰγεςϜΛߏ͢Δ࠷খ୯Ґ(ͩͱγεςϜΛཧ͢Δ্ͰΈͳ ͖͢ͷ)ʱ • see. ʮFAQɾϗετͷܭࢉํ๏ʹ͍ͭͯ - Mackerel ϔϧϓʯ
αΠυΧʔίϯςφͱͯ͠σϓϩΠ • ϓϥοτϑΥʔϜʹΑͬͯઃఆ͕ҟͳΔ • ECS(EC2/Bridge, EC2/Host) • ECS(EC2/awsvpc, Fargate) •
Kubernetes • see. ʮίϯςφΛࢹ͢Δ - Mackerel ϔϧϓʯ
Web UI/ϗετҰཡ
Web UI/ϗετৄࡉ
Web UI/ϩʔϧάϥϑ
Δ͜ͱ • λεΫ/Podͷͯ͢ͷίϯςφͷϝτϦοΫΛγεςϜϝτϦοΫ ͱͯ͠ߘ • CPUɺϝϞϦɺωοτϫʔΫ • αʔϏε/ϩʔϧͷׂΓͯ • ϓϥάΠϯͷར༻
• ϓϥάΠϯΛΠϯετʔϧͨ͠DockerΠϝʔδͷ४උ͕ඞཁ
Βͳ͍͜ͱ • ΫϥελϊʔυͷϝτϦοΫऩू͠ͳ͍ • ϊʔυɺλεΫ/Pod, etc. • ϊʔυͷCPUɺϝϞϦɺωοτϫʔΫɺσΟεΫͳͲ • mackerel-agentΛར༻
• αϙʔτ͢ΔϓϥοτϑΥʔϜҎ֎ͷίϯςφͷࢹ • DockerʮDockerΛϞχλϦϯά͢Δ - Mackerel ϔϧϓʯ
αΠυΧʔύλʔϯͷ࠾༻ • FargateͷΑ͏ͳɺΠϯϑϥετϥΫνϟͷཧ͕ෆཁͳίϯςφ ར༻͕ओྲྀʹͳΔͱߟ͍͑ͯΔ • Mackerelʹ͓͚ΔϗετͷఆٛͱλεΫ/PodͷϥΠϑαΠΫϧ • ίϯςφؒͷϦιʔεڞ༗ • ࢹରͷΞϓϦέʔγϣϯ༷ʹ͍ۙࢹઃఆ͕Մೳ
ϝτϦοΫऔಘઓུղઆ
ϝτϦοΫऔಘΞʔΩςΫνϟ
ECS/Fargate
ECS/FargateͷAPI &$#SJEHF &$)PTU &$BXTWQD 'BSHBUF *OUSPTQFDUJPO "1* ˔ ˔ ☓
☓ 5BTL.FUBEBUB &OEQPJOUW ☓ ☓ ˔ ˔ 5BTL.FUBEBUB &OEQPJOUW ˔ ˔ ˔ ☓
Introspection API • λεΫͷϝλσʔλΛฦ͢ • λεΫͷARNεςʔλεɺ֤ίϯςφͷDockerIDͳͲ • ίϯςφͷϝτϦοΫCPUɺϝϞϦLIMITऔಘͰ͖ͳ͍ • Docker
stats API(docker.sock)cgroupfsͰΧόʔ • EC2/Bridge, EC2/HostͰར༻ • Task Metadata Endpoint v3ʹରԠ༧ఆ
Task Metadata Endpoint v2/v3 • λεΫϝλσʔλɺίϯςφϝτϦοΫΛฦ͢ • ϝτϦοΫDocker stats APIͦͷͷΛฦ͢
• v2/v3ͰऔಘͰ͖Δσʔλʹେ͖ͳҧ͍ͳ͍ • EC2/awsvpc, FargateͰv2Λར༻ • EC2/awsvpcv3ʹҠߦ༧ఆ
ECS/FargateͷωοτϫʔΫϝτϦοΫ • ωοτϫʔΫϝτϦοΫ͕औಘͰ͖ΔͷEC2/Bridge͚ͩ...... • Docker stats API(libnetwork)bridgeϞʔυͷͱ͖͔͠ϝτϦοΫ ͕औΕͳ͍ͬΆ͍ • ࣮ʹৄ͍͠ํɺͥͻ࠙ձͰ͓͠·͠ΐ͏ʂ
root@ebb5c8c90634:/# curl -s $ {ECS_CONTAINER_METADATA_URI}/stats | jq .networks { "eth0":
{ "rx_bytes": 17331985, "tx_packets": 932, "rx_packets": 1353, "tx_bytes": 77755 } } e.g. EC2/Bridge w/ TMEv3
root@ip-10-0-10-144:/# curl -s ${ECS_CONTAINER_METADATA_URI}/stats | \ > jq .networks null
e.g. EC2/Host, EC2/awsvpc w/ TMEv3 root@9ea93ec5d92b:/# curl -s ${ECS_CONTAINER_METADATA_URI}/stats | \ > jq .networks null
-bash-4.2# CID=$(basename $(head -n1 /proc/self/ cgroup | cut -d: -f3))
-bash-4.2# curl -s 169.254.170.2/v2/stats/${CID} | jq .networks null e.g. Fargate w/ TMEv2
EC2/BridgeͷωοτϫʔΫελοΫ • ωοτϫʔΫελοΫλεΫͷίϯςφ͝ͱʹҟͳΔ
EC2/HostωοτϫʔΫελοΫ • ϗετͷωοτϫʔΫελοΫΛλεΫͷίϯςφؒͰڞ༗
EC2/awsvpc, FargateωοτϫʔΫελοΫ • ωοτϫʔΫελοΫΛλεΫͷίϯςφؒͰڞ༗
ίϯςφΤʔδΣϯτʹ͓͚ΔECS/Fargateͷ ωοτϫʔΫϝτϦοΫͷऔಘ • EC2/BridgeϞʔυͷ߹ɺDocker stats API͔Β֤ίϯςφͷωο τϫʔΫϝτϦοΫΛऔಘͯ͠λεΫͷϝτϦοΫͱͯ͠ߘ • EC2/Host, EC2/awsvpc,
FargateͰɺίϯςφಉ࢜ωοτϫʔ ΫελοΫΛڞ༗͢ΔͷͰɺίϯςφΤʔδΣϯτࣗͷωοτϫʔ ΫϝτϦοΫΛऔಘͯ͠λεΫͷϝτϦοΫͱͯ͠ߘ
• ಉ͡ίϯςφఆٛͰɺىಈλΠϓɺωοτϫʔΫϞʔυͰΠϯλʔ ϑΣʔεͷݟ͑ํ͕ҟͳΔ λεΫͷInterfaceάϥϑ &$#SJEHF &$)PTU &$BXTWQD 'BSHBUF
• ىಈλΠϓɺωοτϫʔΫϞʔυʹΑͬͯར༻Ͱ͖ΔAPI͕ҟͳΔ • EC2ىಈλΠϓTask Metadata Endpoint v3ʹରԠத • ωοτϫʔΫϞʔυʹΑͬͯωοτϫʔΫϝτϦοΫͷऔಘํ๏͕ ҟͳΔ
ECS/Fargateʹ͓͚ΔϝτϦοΫऔಘ·ͱΊ
Kubernetes
KubernetesͷCore metrics pipeline
kubelet API • PodͷϝλσʔλϝτϦοΫɺϩάΛऔಘɺίϚϯυͷϩʔΧϧ ࣮ߦͷͨΊͷAPI • kubelet port(10250/HTTPS)ͱread-only port(10255/HTTP)Ͱ LISTEN
• read-only port͕ແޮͳڥ͋Δ
kubelet APIͷAuthN/AuthZ • kubelet portͰೝূ/ೝՄΛઃఆͰ͖Δ • Authentication • ಗ໊ΞΫηεɺΫϥΠΞϯτূ໌ॻೝূɺτʔΫϯೝূ •
Authorization • AlwaysAllow, Webhook • SubjectAccessReview APIʹΑΔݖݶνΣοΫ • see. ʮKubelet authentication/authorization - Kubernetesʯ
ίϯςφΤʔδΣϯτͱkubelet API • σϑΥϧτͰread-only portΛར༻ • ઃఆͰkubelet portʹΓସ͑Մೳ • τʔΫϯೝূΛαϙʔτ
• "nodes/proxy", "nodes/stats", "nodes/spec"ʹgetΞΫηε • ͏·͍͔͘ͳ͍߹automountServiceAccountTokenઃఆνΣοΫ • see. ʮKubernetesʹmackerel-container-agentΛηοτΞοϓ͢Δ - Mackerel ϔϧϓʯ
apiVersion: rbac.authorization.k8s.io/v1 kind: ClusterRole metadata: name: mackerel-container-agent rules: - apiGroups:
[""] resources: ["nodes/proxy", "nodes/stats", "nodes/spec"] verbs: ["get"] e.g. RBACઃఆ(ClusterRole)
apiVersion: rbac.authorization.k8s.io/v1 kind: ClusterRoleBinding metadata: name: mackerel-container-agent-binding roleRef: apiGroup: rbac.authorization.k8s.io
kind: ClusterRole name: mackerel-container-agent subjects: - kind: ServiceAccount name: my-service-account namespace: default e.g. RBACઃఆ(ClusterRoleBinding)
• kubelet API͔ΒϝτϦοΫΛऔಘ͢Δ • σϑΥϧτread-only PortΛར༻ • kubelet portͰτʔΫϯೝূʹରԠ •
ඞཁʹԠͯ͡RBACΛઃఆ Kubernetesʹ͓͚ΔϝτϦοΫऔಘ·ͱΊ
ࠓޙͷίϯςφΤʔδΣϯτ
ۙରԠ༧ఆ • Task Metadata Endpoint v3ରԠ • EC2/Bridge, EC2/Host, EC2/awspvc
• docker.sockcgroupfsͷґଘΛͳ͘͢ • rootϢʔβඞཁͳ͠ • cgroupfsͷϚϯτϙΠϯτͷҧ͍Λؾʹ͠ͳͯ͘Α͍
లͱߏ • ϓϥάΠϯར༻ͷརศੑ্ • ϓϥάΠϯಉࠝΠϝʔδͷఏڙͳͲ • ΧελϜϝτϦοΫͷѻ͍ • ϗετಉ༷ʹୀޙɺҰఆظؒܦաͰඇදࣔͱͳΔ •
PrometheusServiceMeshͱͷ࿈ܞ
·ͱΊ
·ͱΊ • ίϯςφΤʔδΣϯτʢύϒϦοΫϕʔλʣΛϦϦʔε • λεΫ/PodΛࢹ͢ΔαΠυΧʔίϯςφ • ϓϥοτϑΥʔϜ͕ఏڙ͢ΔAPI͔ΒϝτϦοΫΛऩू • see. ʮίϯςφΛࢹ͢Δ
- Mackerel ϔϧϓʯ
ϑΟʔυόοΫΛ͓͍ͪͯ͠·͢
None