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
Write Container Runtime in Go
Search
tomocy
October 28, 2019
Programming
4
3.2k
Write Container Runtime in Go
Presented in Go Conference 2019 Autumn
https://gocon.jp/sessions/write_container_runtime_in_go/
tomocy
October 28, 2019
Tweet
Share
More Decks by tomocy
See All by tomocy
Work around Dart custom lint rule
tomocy
1
460
Other Decks in Programming
See All in Programming
try-catchを使わないエラーハンドリング!? PHPでResult型の考え方を取り入れてみよう
kajitack
3
210
TSConfig Solution Style & subpath imports to switch types on a per-file basis
maminami373
1
170
知識0からカンファレンスやってみたらこうなった!
syossan27
5
320
What Spring Developers Should Know About Jakarta EE
ivargrimstad
1
530
#QiitaBash TDDでAIに設計イメージを伝える
ryosukedtomita
2
1.5k
技術的負債と戦略的に戦わざるを得ない場合のオブザーバビリティ活用術 / Leveraging Observability When Strategically Dealing with Technical Debt
yoshiyoshifujii
0
160
ユーザーにサブドメインの ECサイトを提供したい (あるいは) 2026年函館で一番熱くなるかもしれない言語の話
uvb_76
0
170
Efficiency and Rock 'n’ Roll (Really!)
hollycummins
0
580
💎 My RubyKaigi Effect in 2025: Top Ruby Companies 🌐
yasulab
PRO
1
120
primeNumberでのRBS導入の現在 && RBS::Traceでinline RBSを拡充してみた
mnmandahalf
0
240
CRUD から CQRS へ ~ 分離が可能にする柔軟性
tkawae
0
220
Language Server と喋ろう – TSKaigi 2025
pizzacat83
2
600
Featured
See All Featured
Measuring & Analyzing Core Web Vitals
bluesmoon
7
460
Product Roadmaps are Hard
iamctodd
PRO
53
11k
Building a Modern Day E-commerce SEO Strategy
aleyda
40
7.3k
Helping Users Find Their Own Way: Creating Modern Search Experiences
danielanewman
29
2.6k
Optimising Largest Contentful Paint
csswizardry
37
3.3k
Producing Creativity
orderedlist
PRO
346
40k
Practical Tips for Bootstrapping Information Extraction Pipelines
honnibal
PRO
19
1.2k
Templates, Plugins, & Blocks: Oh My! Creating the theme that thinks of everything
marktimemedia
30
2.4k
Designing Experiences People Love
moore
142
24k
Why You Should Never Use an ORM
jnunemaker
PRO
56
9.4k
Mobile First: as difficult as doing things right
swwweet
223
9.6k
Understanding Cognitive Biases in Performance Measurement
bluesmoon
29
1.7k
Transcript
Write Container Runtime in Go Go Conference 2019 Autumn Koki
Tomoshige (@towocy)
Write Container Runtime in Go
Write Container Runtime in Go
ίϯςφϥϯλΠϜʹ͍ͭͯ
ίϯςφٕज़ ίϯςφϥϯλΠϜͱ ίϯςφΠϝʔδ
ίϯςφϥϯλΠϜ OCI runtimeʹ४ڌ͍ͯ͠Δ
OCIʢOpen Container Initiativeʣ ίϯςφٕज़ͷඪ४ن֨Λ ࡞͢ΔͨΊͷஂମ
None
runtime.me ίϯςφϥϯλΠϜͱͯ͠ͷ ঢ়ଶͱৼΔ͍ https://github.com/opencontainers/runtime-spec/blob/master/runtime.md
Query State state <container-id> Create create <container-id> <path-to-bundle> Start start
<container-id> Kill kill <container-id> <signal> Delete delete <container-id>
None
Standard Go Project Layout /cmd https://github.com/golang-standards/project-layout#cmd
None
CLI pkg github.com/urfave/cli
None
None
None
None
None
InterfaceͰͷநԽ ༻ऀଆ͕ ٻΊΔৼΔ͍Λఆٛ͢Δ https://github.com/golang/go/wiki/CodeReviewComments#interfaces
None
ίϯςφϥϯλΠϜͷ࣮ʹ͍ͭͯ
ίϯςφϥϯλΠϜ ϗετOS্ͷ Ϧιʔεִ͕ɺ੍ݶ͞Εͨϓϩηε
‘Contain’er ʙΛด͡ࠐΊΔ
ίϯςφϥϯλΠϜ How to contain a process
https://employment.en-japan.com/engineerhub/entry/2019/02/05/103000#ίϯςφͱ ΧʔωϧϦιʔεɺϑΝΠϧγεςϜͷִ Namespaceɺchroot/pivot_root ϋʔυΣΞϦιʔεͷ੍ݶ cgroup ݖݶͷ੍ Capabilityɺseccomp
None
Fork
Fork ϓϩηε ࢠϓϩηε
Fork ϓϩηε ࢠϓϩηε Contain
None
Build Constraints ϑΝΠϧ໊Ͱ ϏϧυରΛ͚Δ https://golang.org/pkg/go/build/#hdr-Build_Constraints
None
None
None
None
Fork ϓϩηε ࢠϓϩηε Contain
https://github.com/rrreeeyyy/container-internship/tree/master/02#linux-namespaces IPC ϓϩηεؒ௨৴Ͱ͏Ϧιʔε Network ωοτϫʔΫσόΠεɺϧʔςΟϯάςʔϒϧ Mount ϑΝΠϧγεςϜπϦʔ PID ϓϩηε ID
User Ϣʔβ IDɺάϧʔϓ ID UTS nodenameɺdomainname
None
Fork
None
Filesystem bundle config.jsonͱrootfs https://github.com/opencontainers/runtime-spec/blob/master/bundle.md
ࢠϓϩηεͷϧʔτ༻ʹ
ࢠϓϩηεͷϧʔτ༻ʹ mount͍ͯ͘͠
ࢠϓϩηεͷϧʔτ༻ʹ mount͍͖ͯ͠ ͦͯ͠pivot_root͢Δ
ࢠϓϩηεʹ / ʹݟ͑Δ
cgroup ϓϩηεʹରͯ͠ ڞ௨ͷϦιʔεཧΛ͢Δ https://gihyo.jp/admin/serial/01/linux_containers/0003
None
None
None
None
None
None
None
None
None
None
None
None
Write Container Runtime in Go
͋Γ͕ͱ͏͍͟͝·ͨ͠ɻ
https://github.com/opencontainers/runtime-spec/blob/master/runtime.md https://github.com/opencontainers/runtime-spec/blob/master/bundle.md https://github.com/golang-standards/project-layout#cmd https://github.com/golang/go/wiki/CodeReviewComments#interfaces https://employment.en-japan.com/engineerhub/entry/2019/02/05/103000#ίϯςφͱ https://golang.org/pkg/go/build/#hdr-Build_Constraints https://github.com/rrreeeyyy/container-internship/tree/master/02#linux-namespaces https://employment.en-japan.com/engineerhub/entry/2019/02/05/103000 https://github.com/tomocy/gocon ࢀߟจݙ
https://speakerdeck.com/kyohmizu/windowskontenaru-men?slide=26 https://speakerdeck.com/tenforward/cndt2019 https://sil.hatenablog.com/entry/why-container-is-secure