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[Kubernetes Workshop]
With Containers and K8s
on OpenStack + Azure
June 29, 2018
- OpenInfra Days Korea 2018 (Day 2) -
๋ฐœํ‘œ์ž: ์ตœ์˜๋ฝ
็พ ๊ธ€๋กœ๋ฒŒ ์˜คํ”ˆํ”„๋ก ํ‹ฐ์–ด ํŒŒํŠธํƒ€์ž„ ๊ฐœ๋ฐœ์ž
OpenStack ํ•œ๊ตญ ์ปค๋ฎค๋‹ˆํ‹ฐ 3๊ธฐ ๋Œ€ํ‘œ (Jan 2017 โ€“ Dec 2018)
Microsoft MVP โ€“ Cloud & Datacenter Management
(July 2016 โ€“ June 2018)
๋ชฉ์ฐจ
โ€ข ์ปจํ…Œ์ด๋„ˆ ์ธํ”„๋ผ์™€ Kubernetes ์†Œ๊ฐœ
โ€ข OpenStack์—์„œ์˜ โ€œContainers & Kubernetesโ€
โ€ข Azure์™€ Container Service, ๊ทธ๋ฆฌ๊ณ  Kubernetes Service
Microsoft Azure
Bootcamp
(2018, Korea)
Kubernetes & Azure
์ปจํ…Œ์ด๋„ˆ ์ธํ”„๋ผ์™€ Kubernetes (K8s) ์†Œ๊ฐœ
์ปจํ…Œ์ด๋„ˆ
โ€ข ํŒจํ‚ค์ง• ๋ฐ ๋ฐฐํฌ ๊ฒฐ๊ณผ
โ€ข VM ๋Œ€์•ˆ์œผ๋กœ ๋ณด๋‹ค ๊ฐ€๋ณ๊ณ  ํšจ์œจ์ ์ธ ๋‹ค์–‘ํ•œ ์‚ฌ๋ก€ ๋“ฑ์žฅ
์ปจํ…Œ์ด๋„ˆ ์ธํ”„๋ผ์™€ Kubernetes (K8s) ์†Œ๊ฐœ
Docker๋Š”?
โ€ข Linux ์ปจํ…Œ์ด๋„ˆ ์„œ๋น„์Šค ์ค‘ ๋Œ€ํ‘œ์ ์ธ ํ•˜๋‚˜
โ€ข ๊ฐœ๋ฐœ์ž์™€ ์‹œ์Šคํ…œ ๊ด€๋ฆฌ์ž๋ฅผ ์œ„ํ•œ ๋ถ„์‚ฐ Applications์šฉ Open
platform
โ€ข Hypervisor ์—†์ด Application์„ ๊ฒฉ๋ฆฌ๋œ ์ƒํƒœ์—์„œ ์‹คํ–‰ํ•˜๋Š” ๊ฒฝ๋Ÿ‰์˜ ๊ฐ€์ƒํ™”
์†”๋ฃจ์…˜
โ€ข ์†Œํ”„ํŠธ์›จ์–ด์˜ ๋ชจ๋“  ์ข…์†์„ฑ์„ ํฌํ•จํ•˜์—ฌ ์–ด๋””์„œ๋‚˜ ๊ตฌ๋™๋  ์ˆ˜ ์žˆ๋„๋ก
ํ‘œ์ค€ํ™”๋œ ํ˜•ํƒœ์˜ Package๋กœ ๋งŒ๋“ค๊ณ , ์‹คํ–‰ํ•  ์ˆ˜ ์žˆ๊ฒŒ ํ•ด์ฃผ๋Š” ์†”๋ฃจ์…˜
์ปจํ…Œ์ด๋„ˆ ์ธํ”„๋ผ์™€ Kubernetes (K8s) ์†Œ๊ฐœ
Why Docker? N x M matrix
Develoment
VM
QA Server
Single Prod
Server
Onsite
Cluster
Public
Cloud
Customer
Server
โ€ฆ
Static
Website
AA AB AC AD AE AF AZ
Web
frontend
BA BB BC BD BE BF BZ
User DB CA CB CC CD CE CF CZ
Analytics
DB
DA DB DC DD DE DF DZ
Queue EA EB EC ED EE EF EZ
โ€ฆ ZA ZB ZC ZD ZE ZF ZZ
Dependency
Hell
์ปจํ…Œ์ด๋„ˆ ์ธํ”„๋ผ์™€ Kubernetes (K8s) ์†Œ๊ฐœ
Why Docker? N x M matrix
Develoment
VM
QA Server
Single Prod
Server
Onsite
Cluster
Public
Cloud
Customer
Server
โ€ฆ
Static
Website
AA AB AC AD AE AF AZ
Web
frontend
BA BB BC BD BE BF BZ
User DB CA CB CC CD CE CF CZ
Analytics
DB
DA DB DC DD DE DF DZ
Queue EA EB EC ED EE EF EZ
โ€ฆ ZA ZB ZC ZD ZE ZF ZZ
์ปจํ…Œ์ด๋„ˆ ์ธํ”„๋ผ์™€ Kubernetes (K8s) ์†Œ๊ฐœ
Docker ๊ฐœ๋…
โ€ข ๊ธฐ์กด์˜ VM์ด Hardware์™€ OS์˜ ๋ชจ๋“  ๋ถ€๋ถ„๊นŒ์ง€ ๊ฐ€์ƒํ™”ํ•˜๋Š” ๊ฒƒ์— ๋น„ํ•ด์„œ,
Docker๋Š” ๊ธฐ์กด์˜ Host OS์˜ ๊ธฐ๋ณธ Kernel ๋“ฑ์„ ๊ทธ๋Œ€๋กœ ๊ณต์œ ํ•ด์„œ ์‚ฌ์šฉ.
โ€ข Guest OS๋Š” Host OS์˜ ๊ธฐ๋ณธ Kernel์„ ์‚ฌ์šฉํ•˜์—ฌ, ๊ทธ ์œ„์— ํ•„์š”ํ•œ ๋ถ€๋ถ„๋งŒ
Packing์„ ํ•˜๊ธฐ ๋•Œ๋ฌธ์— ๊ธฐ์กด์˜ VM๋ฐฉ์‹๋ณด๋‹ค ์„ฑ๋Šฅ์— ๋Œ€ํ•œ ์ด์Šˆ๊ฐ€ ์ค„์–ด ๋“ฌ.
์ปจํ…Œ์ด๋„ˆ ์ธํ”„๋ผ์™€ Kubernetes (K8s) ์†Œ๊ฐœ
Docker ์ปจํ…Œ์ด๋„ˆ
โ€ข Docker์˜ Guest OS๋Š” Linux
Container (LXC)๋ฅผ ์‚ฌ์šฉํ•˜๋Š”
๋ฐฉ์‹์œผ๋กœ ๋™์ž‘๋˜์—ˆ์ง€๋งŒ, Docker
v0.9๋ถ€ํ„ฐ๋Š” โ€˜Goโ€™๋กœ ์ž‘์„ฑ ๋˜์–ด์ง„
libcontainer Driver ๋ฅผ ํ†ตํ•ด์„œ ์ง์ ‘
Kernel API์— ์ ‘๊ทผ ๊ฐ€๋Šฅ.
โ€ป LXC์— ๋Œ€ํ•œ ์‚ฌ์šฉ๋„
์ง€์†์ ์œผ๋กœ ์ง€์›
โ€ข Container ๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ๋ฐฉ์‹์„
ํ†ตํ•ด์„œ Guest OS๋ฅผ Host OS๋กœ๋ถ€ํ„ฐ
Isolationํ•˜๊ฒŒ ๋™์ž‘. Process์— CPU, Memory, Network
๋“ฑ์˜ ์ž์›์— ๋Œ€ํ•œ ๊ฒฉ๋ฆฌ
์ปจํ…Œ์ด๋„ˆ ์ธํ”„๋ผ์™€ Kubernetes (K8s) ์†Œ๊ฐœ
Docker ์žฅ๋‹จ์ 
โ–ช ์™„๋ฒฝํ•œ ์ด์‹์„ฑ์„ ํ†ตํ•œ ๋™์ผํ•œ ํ™˜๊ฒฝ์„ ์ œ๊ณตํ•˜์—ฌ, ํ™˜๊ฒฝ์— ๋Œ€ํ•œ ๋ฌธ์ œ์  ํ•ด์†Œ
โ–ช ๋น ๋ฅธ ์†๋„์™€ ๊ฐ€๋ฒผ์›€
โ–ช OS์˜ Resource ์‚ฌ์šฉ์„ ์ตœ์†Œํ™”ํ•˜์—ฌ ์˜ค๋ฒ„ํ—ค๋“œ๋ฅผ ์ค„์ž„.
์žฅ ์ 
โ–ช HOST OS์— ๋Œ€ํ•œ ์ข…์†
- Container์˜ Guest OS๋Š” Linux kernel์— ๋Œ€ํ•œ ์ข…์†
โ–ช ๊ธฐ์กด Hypervisor๋ฅผ ํ†ตํ•œ ๊ฐ€์ƒํ™” ๋Œ€๋น„ํ•œ, ์‚ฌ์šฉ์ž์— ๋น„ ์นœํ™”์ ์ธ ํ™˜๊ฒฝ
๋‹จ ์ 
์ปจํ…Œ์ด๋„ˆ ์ธํ”„๋ผ์™€ Kubernetes (K8s) ์†Œ๊ฐœ
Docker Flow
์ปจํ…Œ์ด๋„ˆ ์ธํ”„๋ผ์™€ Kubernetes (K8s) ์†Œ๊ฐœ
Kubernetes๋ž€?
โ€ข K8s
โ€ข ๋จธ์‹  ํด๋Ÿฌ์Šคํ„ฐ ์ƒ์—์„œ ์šด์˜์ด ์ด๋ฃจ์–ด์ง€๋Š” ์†Œํ”„ํŠธ์›จ์–ด
โ€ข ์ปจํ…Œ์ด๋„ˆ ๊ด€๋ฆฌ๋ฅผ ์œ„ํ•œ ์„ ์–ธ์  ์–ธ์–ด
โ€ข ์ปจํ…Œ์ด๋„ˆ ํด๋Ÿฌ์Šคํ„ฐ์— ๋Œ€ํ•œ ์‹œ์ž‘, ์ค‘์ง€, ์—…๋ฐ์ดํŠธ ๋ฐ ๊ด€๋ฆฌ ๊ฐ€๋Šฅ
โ€ข ์˜คํ”ˆ ์†Œ์Šค (์ดˆ์ฐฝ๊ธฐ Google์ด lead)
์ปจํ…Œ์ด๋„ˆ ์ธํ”„๋ผ์™€ Kubernetes (K8s) ์†Œ๊ฐœ
Kubernetes๋ฅผ ์ดํ•ดํ•˜๊ธฐ ์œ„ํ•ด ์•Œ์•„์•ผ ํ•  ๊ฒƒ๋“ค
โ€ข ํด๋Ÿฌ์Šคํ„ฐ / Cluster (Nodes)
โ€ข ์ปจํ…Œ์ด๋„ˆ / Container
โ€ข ํŒŸ / Pod
โ€ข ๋ผ๋ฒจ / Labels
โ€ข ๋ณต์ œ ์ปจํŠธ๋กค๋Ÿฌ / Replication Controller
โ€ข ์„œ๋น„์Šค / Service
์ปจํ…Œ์ด๋„ˆ ์ธํ”„๋ผ์™€ Kubernetes (K8s) ์†Œ๊ฐœ
ํŒŸ / Pod
โ€ข ์Šค์ผ€์ค„๋ง์ด ๊ฐ€๋Šฅํ•œ K8s ๋‹จ์ผ ์ž‘์—… ๋‹จ์œ„
โ€“ ๋จธ์‹  ๊ฐ„ ์ด๋™ ๋ถˆ๊ฐ€๋Šฅ
โ€“ ์—ฌ๋Ÿฌ ๋จธ์‹ ์œผ๋กœ ํ™•์žฅ ๋ถˆ๊ฐ€๋Šฅ
โ€ข ์ปจํ…์ŠคํŠธ๋ฅผ ๊ณต์œ ํ•˜๋Š” ์ปจํ…Œ์ด๋„ˆ ๊ทธ๋ฃน
โ€“ ๊ณต์œ  IP
โ€“ ๊ณต์œ  ๋ณผ๋ฅจ
โ€ข ๊ฐ pod์€ ๊ฐ์ž ์œ ์ผํ•œ IP ์ฃผ์†Œ๋ฅผ ์–ป์Œ
์ปจํ…Œ์ด๋„ˆ ์ธํ”„๋ผ์™€ Kubernetes (K8s) ์†Œ๊ฐœ
๋ผ๋ฒจ / Labels
โ€ข ์ž„์˜์˜ ํ‚ค-๊ฐ’ ์Œ์„ ๊ฐ€์งˆ ์ˆ˜ ์žˆ์Œ
โ€ข ๋ผ๋ฒจ์„ ์‚ฌ์šฉํ•˜์—ฌ ๊ฐœ์ฒด๋ฅผ queryํ•จ
โ€ข ์‚ฌ์šฉํ•˜๋Š” ๋ถ€๋ถ„:
โ€“ pod์„ ๋ณต์ œ ์ปจํŠธ๋กค๋Ÿฌ์™€ ๋งค์นญ
โ€“ pod์„ ์„œ๋น„์Šค์™€ ๋งค์นญ
โ€ขDNS ํ•ญ๋ชฉ๊ณผ ๋™์ผํ•œ ๋„ค์ด๋ฐ ๊ทœ์น™์„ ์‚ฌ์šฉ
โ€ขtier=web, version=1.2, webserver != nginx
OpenStack์—์„œ์˜ โ€œContainers & Kubernetesโ€
์ปจํ…Œ์ด๋„ˆ ๊ด€๋ จ OpenStack ๊ณต์‹ ํ”„๋กœ์ ํŠธ
OpenStack์—์„œ์˜ โ€œContainers & Kubernetesโ€
โ€ข Magnum
โ€ข ์ปจํ…Œ์ด๋„ˆ ์˜ค์ผ€์ŠคํŠธ๋ ˆ์ด์…˜ ์—”์ง„์„ ํ”„๋กœ๋น„์ €
๋‹, ์Šค์ผ€์ผ๋ง ๋ฐ ๊ด€๋ฆฌ๋ฅผ ํ•˜๊ธฐ ์œ„ํ•œ ์„œ๋น„์Šค
์ง‘ํ•ฉ
https://www.altoros.com/blog/openstack-orchestration-options-with-openstack-magnum/
https://www.youtube.com/watch?v=nxPUd8ZZuD0
https://wiki.openstack.org/wiki/Magnum
OpenStack์—์„œ์˜ โ€œContainers & Kubernetesโ€
โ€ข Kuryr
โ€ข ์ปจํ…Œ์ด๋„ˆ ๋„คํŠธ์›Œํ‚น ๋ชจ๋ธ ๏ƒŸโ†’ OpenStack ๋„คํŠธ์›Œํ‚น ๋ชจ๋ธ
โ€ข ์ปจํ…Œ์ด๋„ˆ์—์„œ Neutron์—์„œ ์ •์˜๋œ ๋„คํŠธ์›Œํฌ๋ฅผ ์ง์ ‘ ์‚ฌ์šฉ
โ€ข Fuxi
โ€ข ์ปจํ…Œ์ด๋„ˆ ์Šคํ† ๋ฆฌ์ง€ ๋ชจ๋ธ ๏ƒŸโ†’ OpenStack ์Šคํ† ๋ฆฌ์ง€ ๋ชจ๋ธ
โ€ข ์ปจํ…Œ์ด๋„ˆ/K8s์—์„œ Cinder ๋ฐ Manila ๋ณผ๋ฅจ์„ ์ง์ ‘ ์‚ฌ์šฉ ๊ฐ€๋Šฅ
https://www.slideshare.net/openstackil/openstack-israel-meetup-
project-kuryr-bringing-container-networking-to-neutron
https://www.slideshare.net/nvirters/tech-talk-by-gal-sagie-kuryr-
connecting-containers-networking-to-openstack-neutron
https://www.openstack.org/assets/presentation-media/Kuryr-Fuxi.pdf
OpenStack์—์„œ์˜ โ€œContainers & Kubernetesโ€
โ€ข Zun
โ€ข OpenStack ์ธํ”„๋ผ ํ™˜๊ฒฝ ์œ„์— ์ปจํ…Œ์ด๋„ˆ๋ฅผ ์ง์ ‘ ๊ด€๋ฆฌ
โ€ข ์ฐธ๊ณ : Nova-docker๋Š” Nova API๋ฅผ ํ†ตํ•ด docker์— ์•ก์„ธ์Šค๋ฅผ ํ•  ์ˆ˜ ์—†
์—ˆ์œผ๋‚˜, Zun์€ ์ปจํ…Œ์ด๋„ˆ๋ฅผ ๊ด€๋ฆฌ ๊ฐ€๋Šฅํ•œ ๋ชจ๋“  API๋ฅผ ์ œ๊ณตํ•จ
https://www.slideshare.net/hongbin034/zun-presentation-openstack-barcelona-summit
OpenStack์—์„œ์˜ โ€œContainers & Kubernetesโ€
โ€ข Kolla
โ€ข OpenStack ํ•ต์‹ฌ ๊ตฌ์„ฑ ์š”์†Œ๋“ค์„ ์ปจํ…Œ์ด๋„ˆํ™”ํ•˜์—ฌ ๊ด€๋ฆฌ
https://www.slideshare.net/Vikram_Hosakote/kolla-talk-at-openstack-summit-2017-in-sydney
OpenStack์—์„œ์˜ โ€œContainers & Kubernetesโ€
โ€ข OpenStack-helm
โ€ข Helm์€ Kubernetes์— ์–ดํ”Œ๋ฆฌ์ผ€์ด์…˜์„ chart ๋‹จ์œ„๋กœ ๋ฐฐํฌํ•˜๋Š” ๋„๊ตฌ
โ€ข OpenStack-helm์€ ์ปจํ…Œ์ด๋„ˆํ™”๋œ OpenStack ๊ตฌ์„ฑ์š”์†Œ๋ฅผ Helm์„ ํ†ตํ•ด
chart ๋‹จ์œ„๋กœ ๋ฐฐํฌ
Azure์™€ Container Service, ๊ทธ๋ฆฌ๊ณ  AKS
Azure์—์„œ์˜ ์ปจํ…Œ์ด๋„ˆ ์ง€์› ๋ฐฉ์‹
โ€ข Docker VM Extension (ํ…œํ”Œ๋ฆฟ)
โ€ข Azure Driver with Docker-Machine
โ€ข Container Service
โ€ข Kubernetes Services (AKS)
Azure์™€ Container Service, ๊ทธ๋ฆฌ๊ณ  AKS
Docker VM Extension (ํ…œํ”Œ๋ฆฟ)
โ€ข https://github.com/Azure/azure-quickstart-
templates/tree/master/docker-simple-on-ubuntu
Azure์™€ Container Service, ๊ทธ๋ฆฌ๊ณ  AKS
Docker-Machine
โ€ข https://docs.docker.com/machine/overview/
โ€ข Docker ์—”์ง„์„ ์ผ์ข…์˜ ๊ฐ€์ƒ ํ˜ธ์ŠคํŠธ์—์„œ docker-machine ๋ช…๋ น์–ด๋กœ
์ด๊ธฐ์ข… ํ”Œ๋žซํผ์—์„œ ์‹คํ–‰ ๊ฐ€๋Šฅํ•˜๋„๋ก ์„ค๊ณ„
โ€ข Mac, Windows Box + Azure, AWS ๋“ฑ ํด๋ผ์šฐ๋“œ ์ง€์›
Azure Driver with Docker-Machine
โ€ข Docker-Machine ๋ช…๋ น์–ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•˜๋„๋ก ์ œ๊ณต๋˜๋Š” Azure ์ปจํ…Œ์ด๋„ˆ
ํ™˜๊ฒฝ
docker-machine create -d azure 
--azure-ssh-user ops 
--azure-subscription-id <Your AZURE_SUBSCRIPTION_ID> 
--azure-open-port 80  machine
Azure์™€ Container Service, ๊ทธ๋ฆฌ๊ณ  AKS
Container Service
โ€ข Azure์—์„œ ์ปจํ…Œ์ด๋„ˆ ๊ด€๋ฆฌ ์„œ๋น„์Šค์ธ DC/OS (w/ Mesos + Marathon),
Swarm, Kubernetes ๋“ฑ๊ณผ ํ†ตํ•ฉ ๊ด€๋ฆฌ ๊ฐ€๋Šฅํ•œ ํ™˜๊ฒฝ ์ง€์›์„ ์œ„ํ•œ ์„œ๋น„์Šค
Azure์™€ Container Service, ๊ทธ๋ฆฌ๊ณ  AKS
Container Service for DC/OS (w/ Mesos + Marathon)
Azure์™€ Container Service, ๊ทธ๋ฆฌ๊ณ  AKS
Kubernetes Service (AKS)
โ€ข ACS๊ฐ€ VM์„ ์ง์ ‘ ๋ฐฐํฌํ•˜๋Š” ๊ฒƒ๊ณผ ๋‹ฌ๋ฆฌ, AKS๋Š” managed Kubernetes
ํ™˜๊ฒฝ
์ •๋ฆฌ
โ€ข ์ธํ”„๋ผ ๊ธฐ์ˆ ์—์„œ ์ปจํ…Œ์ด๋„ˆ (Docker) ๋ฐ ์ปจํ…Œ์ด๋„ˆ ์˜ค์ผ€์ŠคํŠธ๋ ˆ์ด์…˜ (Docker
Swarm, Kubernetes) ๊ธฐ์ˆ ์ด ๋ฐœ์ „ํ•˜์˜€์Œ
โ€ข OpenStack์—์„œ๋Š” ์ปจํ…Œ์ด๋„ˆ๋ฅผ ์ธํ”„๋ผ์— ๋„์ž…ํ•˜๊ณ ์ž ํ•˜๋Š” ๋‹ค์–‘ํ•œ ๊ธฐ์ˆ  ์‹œ
๋„๊ฐ€ ์ด๋ฃจ์–ด์กŒ์Œ
โ€ข Azure ์—ญ์‹œ ๋‹ค์–‘ํ•œ ์ ‘๊ทผ ๋ฐฉ์‹์œผ๋กœ ์ปจํ…Œ์ด๋„ˆ ๋ฐ ์ปจํ…Œ์ด๋„ˆ ์˜ค์ผ€์ŠคํŠธ๋ ˆ์ด์…˜
์„ ์ง€์›ํ•˜๊ณ ์ž ํ•จ
โ€ข OpenStack Foundation์—์„œ๋Š” ๋˜ํ•œ Katacontainer๋ฅผ ํ†ตํ•œ Container +
Lightweight VM์„ ํ™œ์šฉํ•˜๋Š” ์ƒˆ ํ”„๋กœ์ ํŠธ๋ฅผ 2017๋…„ 12์›” ๋ฐœํ‘œ
โ€ข ์œ„ ๊ธฐ์ˆ ๋“ค์€ ํ˜„์žฌ Linux ๊ธฐ๋ฐ˜์„ ๊ฐ€์ •์œผ๋กœ ํ•˜๊ณ  ์žˆ์œผ๋ฉฐ, ๋‹ค์Œ ์„ธ์…˜์—์„œ
Windows์™€ ๊ด€๋ จ๋œ ์ปจํ…Œ์ด๋„ˆ ๋‚ด์šฉ์„ ์„ค๋ช…ํ•  ๊ฒƒ์ž„
๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค.
(E-mail: ianyrchoi@gmail.com)

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[OpenInfra Days Korea 2018] Day 2 - E3-2: "ํ•ธ์ฆˆ์˜จ ์›Œํฌ์ƒต: Kubespray, Helm, Armada๋ฅผ ...
[OpenInfra Days Korea 2018] Day 2 - E5-1: "Invited Talk: Kubicorn - Building ...
[OpenInfra Days Korea 2018] Day 1 - T4-7: "Ceph ์Šคํ† ๋ฆฌ์ง€, PaaS๋กœ ์„œ๋น„์Šค ์šด์˜ํ•˜๊ธฐ"
[OpenInfra Days Korea 2018] Day 2 - E1: ๋”ฅ๋‹ค์ด๋ธŒ - OpenStack ์ƒ์กด๊ธฐ
[OpenInfra Days Korea 2018] Day 2 - E4 - ๋”ฅ๋‹ค์ด๋ธŒ: immutable Kubernetes architecture
[OpenInfra Days Korea 2018] Day 2 - E6 - OpenInfra monitoring with Prometheus
[OpenInfra Days Korea 2018] Day 2 - CEPH ์šด์˜์ž๋ฅผ ์œ„ํ•œ Object Storage Performance T...
[OpenInfra Days Korea 2018] Day 2 - E4 - ํ•ธ์ฆˆ์˜จ ์›Œํฌ์ƒต: ์„œ๋ฒ„๋ฆฌ์Šค๊ฐ€ ์ปจํ…Œ์ด๋„ˆ๋ฅผ ๋งŒ๋‚ฌ์„ ๋•Œ
[OpenInfra Days Korea 2018] (NetApp) Open Source with NetApp - ์ „๊ตญ์„ญ ์ƒ๋ฌด
[OpenInfra Days Korea 2018] (Track 4) - ์˜คํ”ˆ์Šคํƒ๊ธฐ๋ฐ˜ NFV ๊ด€๋ฆฌ ๋ฐ HA (high Availability...
[OpenInfra Days Korea 2018] (Track 4) - FreeIPA์™€ ํ•จ๊ป˜ SSO ๊ตฌ์„ฑ
[OpenInfra Days Korea 2018] (Track 4) - Backend.AI: ์˜คํ”ˆ์†Œ์Šค ๋จธ์‹ ๋Ÿฌ๋‹ ์ธํ”„๋ผ ํ”„๋ ˆ์ž„์›Œํฌ
[OpenInfra Days Korea 2018] (Track 4) - Grafana๋ฅผ ์ด์šฉํ•œ OpenStack ํด๋ผ์šฐ๋“œ ์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ๋ง
[OpenInfra Days Korea 2018] (Track 3) - CephFS with OpenStack Manila based on...
[OpenInfra Days Korea 2018] (Track 3) - OpenStack Automation with Ansible
[OpenInfra Days Korea 2018] (Track 3) - SDN/NFV enabled Openstack Platform : ...

[OpenInfra Days Korea 2018] K8s workshop: with containers & K8s on OpenStack + Azure

  • 1. [Kubernetes Workshop] With Containers and K8s on OpenStack + Azure June 29, 2018 - OpenInfra Days Korea 2018 (Day 2) - ๋ฐœํ‘œ์ž: ์ตœ์˜๋ฝ ็พ ๊ธ€๋กœ๋ฒŒ ์˜คํ”ˆํ”„๋ก ํ‹ฐ์–ด ํŒŒํŠธํƒ€์ž„ ๊ฐœ๋ฐœ์ž OpenStack ํ•œ๊ตญ ์ปค๋ฎค๋‹ˆํ‹ฐ 3๊ธฐ ๋Œ€ํ‘œ (Jan 2017 โ€“ Dec 2018) Microsoft MVP โ€“ Cloud & Datacenter Management (July 2016 โ€“ June 2018)
  • 2. ๋ชฉ์ฐจ โ€ข ์ปจํ…Œ์ด๋„ˆ ์ธํ”„๋ผ์™€ Kubernetes ์†Œ๊ฐœ โ€ข OpenStack์—์„œ์˜ โ€œContainers & Kubernetesโ€ โ€ข Azure์™€ Container Service, ๊ทธ๋ฆฌ๊ณ  Kubernetes Service
  • 4. ์ปจํ…Œ์ด๋„ˆ ์ธํ”„๋ผ์™€ Kubernetes (K8s) ์†Œ๊ฐœ ์ปจํ…Œ์ด๋„ˆ โ€ข ํŒจํ‚ค์ง• ๋ฐ ๋ฐฐํฌ ๊ฒฐ๊ณผ โ€ข VM ๋Œ€์•ˆ์œผ๋กœ ๋ณด๋‹ค ๊ฐ€๋ณ๊ณ  ํšจ์œจ์ ์ธ ๋‹ค์–‘ํ•œ ์‚ฌ๋ก€ ๋“ฑ์žฅ
  • 5. ์ปจํ…Œ์ด๋„ˆ ์ธํ”„๋ผ์™€ Kubernetes (K8s) ์†Œ๊ฐœ Docker๋Š”? โ€ข Linux ์ปจํ…Œ์ด๋„ˆ ์„œ๋น„์Šค ์ค‘ ๋Œ€ํ‘œ์ ์ธ ํ•˜๋‚˜ โ€ข ๊ฐœ๋ฐœ์ž์™€ ์‹œ์Šคํ…œ ๊ด€๋ฆฌ์ž๋ฅผ ์œ„ํ•œ ๋ถ„์‚ฐ Applications์šฉ Open platform โ€ข Hypervisor ์—†์ด Application์„ ๊ฒฉ๋ฆฌ๋œ ์ƒํƒœ์—์„œ ์‹คํ–‰ํ•˜๋Š” ๊ฒฝ๋Ÿ‰์˜ ๊ฐ€์ƒํ™” ์†”๋ฃจ์…˜ โ€ข ์†Œํ”„ํŠธ์›จ์–ด์˜ ๋ชจ๋“  ์ข…์†์„ฑ์„ ํฌํ•จํ•˜์—ฌ ์–ด๋””์„œ๋‚˜ ๊ตฌ๋™๋  ์ˆ˜ ์žˆ๋„๋ก ํ‘œ์ค€ํ™”๋œ ํ˜•ํƒœ์˜ Package๋กœ ๋งŒ๋“ค๊ณ , ์‹คํ–‰ํ•  ์ˆ˜ ์žˆ๊ฒŒ ํ•ด์ฃผ๋Š” ์†”๋ฃจ์…˜
  • 6. ์ปจํ…Œ์ด๋„ˆ ์ธํ”„๋ผ์™€ Kubernetes (K8s) ์†Œ๊ฐœ Why Docker? N x M matrix Develoment VM QA Server Single Prod Server Onsite Cluster Public Cloud Customer Server โ€ฆ Static Website AA AB AC AD AE AF AZ Web frontend BA BB BC BD BE BF BZ User DB CA CB CC CD CE CF CZ Analytics DB DA DB DC DD DE DF DZ Queue EA EB EC ED EE EF EZ โ€ฆ ZA ZB ZC ZD ZE ZF ZZ Dependency Hell
  • 7. ์ปจํ…Œ์ด๋„ˆ ์ธํ”„๋ผ์™€ Kubernetes (K8s) ์†Œ๊ฐœ Why Docker? N x M matrix Develoment VM QA Server Single Prod Server Onsite Cluster Public Cloud Customer Server โ€ฆ Static Website AA AB AC AD AE AF AZ Web frontend BA BB BC BD BE BF BZ User DB CA CB CC CD CE CF CZ Analytics DB DA DB DC DD DE DF DZ Queue EA EB EC ED EE EF EZ โ€ฆ ZA ZB ZC ZD ZE ZF ZZ
  • 8. ์ปจํ…Œ์ด๋„ˆ ์ธํ”„๋ผ์™€ Kubernetes (K8s) ์†Œ๊ฐœ Docker ๊ฐœ๋… โ€ข ๊ธฐ์กด์˜ VM์ด Hardware์™€ OS์˜ ๋ชจ๋“  ๋ถ€๋ถ„๊นŒ์ง€ ๊ฐ€์ƒํ™”ํ•˜๋Š” ๊ฒƒ์— ๋น„ํ•ด์„œ, Docker๋Š” ๊ธฐ์กด์˜ Host OS์˜ ๊ธฐ๋ณธ Kernel ๋“ฑ์„ ๊ทธ๋Œ€๋กœ ๊ณต์œ ํ•ด์„œ ์‚ฌ์šฉ. โ€ข Guest OS๋Š” Host OS์˜ ๊ธฐ๋ณธ Kernel์„ ์‚ฌ์šฉํ•˜์—ฌ, ๊ทธ ์œ„์— ํ•„์š”ํ•œ ๋ถ€๋ถ„๋งŒ Packing์„ ํ•˜๊ธฐ ๋•Œ๋ฌธ์— ๊ธฐ์กด์˜ VM๋ฐฉ์‹๋ณด๋‹ค ์„ฑ๋Šฅ์— ๋Œ€ํ•œ ์ด์Šˆ๊ฐ€ ์ค„์–ด ๋“ฌ.
  • 9. ์ปจํ…Œ์ด๋„ˆ ์ธํ”„๋ผ์™€ Kubernetes (K8s) ์†Œ๊ฐœ Docker ์ปจํ…Œ์ด๋„ˆ โ€ข Docker์˜ Guest OS๋Š” Linux Container (LXC)๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ๋ฐฉ์‹์œผ๋กœ ๋™์ž‘๋˜์—ˆ์ง€๋งŒ, Docker v0.9๋ถ€ํ„ฐ๋Š” โ€˜Goโ€™๋กœ ์ž‘์„ฑ ๋˜์–ด์ง„ libcontainer Driver ๋ฅผ ํ†ตํ•ด์„œ ์ง์ ‘ Kernel API์— ์ ‘๊ทผ ๊ฐ€๋Šฅ. โ€ป LXC์— ๋Œ€ํ•œ ์‚ฌ์šฉ๋„ ์ง€์†์ ์œผ๋กœ ์ง€์› โ€ข Container ๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ๋ฐฉ์‹์„ ํ†ตํ•ด์„œ Guest OS๋ฅผ Host OS๋กœ๋ถ€ํ„ฐ Isolationํ•˜๊ฒŒ ๋™์ž‘. Process์— CPU, Memory, Network ๋“ฑ์˜ ์ž์›์— ๋Œ€ํ•œ ๊ฒฉ๋ฆฌ
  • 10. ์ปจํ…Œ์ด๋„ˆ ์ธํ”„๋ผ์™€ Kubernetes (K8s) ์†Œ๊ฐœ Docker ์žฅ๋‹จ์  โ–ช ์™„๋ฒฝํ•œ ์ด์‹์„ฑ์„ ํ†ตํ•œ ๋™์ผํ•œ ํ™˜๊ฒฝ์„ ์ œ๊ณตํ•˜์—ฌ, ํ™˜๊ฒฝ์— ๋Œ€ํ•œ ๋ฌธ์ œ์  ํ•ด์†Œ โ–ช ๋น ๋ฅธ ์†๋„์™€ ๊ฐ€๋ฒผ์›€ โ–ช OS์˜ Resource ์‚ฌ์šฉ์„ ์ตœ์†Œํ™”ํ•˜์—ฌ ์˜ค๋ฒ„ํ—ค๋“œ๋ฅผ ์ค„์ž„. ์žฅ ์  โ–ช HOST OS์— ๋Œ€ํ•œ ์ข…์† - Container์˜ Guest OS๋Š” Linux kernel์— ๋Œ€ํ•œ ์ข…์† โ–ช ๊ธฐ์กด Hypervisor๋ฅผ ํ†ตํ•œ ๊ฐ€์ƒํ™” ๋Œ€๋น„ํ•œ, ์‚ฌ์šฉ์ž์— ๋น„ ์นœํ™”์ ์ธ ํ™˜๊ฒฝ ๋‹จ ์ 
  • 12. ์ปจํ…Œ์ด๋„ˆ ์ธํ”„๋ผ์™€ Kubernetes (K8s) ์†Œ๊ฐœ Kubernetes๋ž€? โ€ข K8s โ€ข ๋จธ์‹  ํด๋Ÿฌ์Šคํ„ฐ ์ƒ์—์„œ ์šด์˜์ด ์ด๋ฃจ์–ด์ง€๋Š” ์†Œํ”„ํŠธ์›จ์–ด โ€ข ์ปจํ…Œ์ด๋„ˆ ๊ด€๋ฆฌ๋ฅผ ์œ„ํ•œ ์„ ์–ธ์  ์–ธ์–ด โ€ข ์ปจํ…Œ์ด๋„ˆ ํด๋Ÿฌ์Šคํ„ฐ์— ๋Œ€ํ•œ ์‹œ์ž‘, ์ค‘์ง€, ์—…๋ฐ์ดํŠธ ๋ฐ ๊ด€๋ฆฌ ๊ฐ€๋Šฅ โ€ข ์˜คํ”ˆ ์†Œ์Šค (์ดˆ์ฐฝ๊ธฐ Google์ด lead)
  • 13. ์ปจํ…Œ์ด๋„ˆ ์ธํ”„๋ผ์™€ Kubernetes (K8s) ์†Œ๊ฐœ Kubernetes๋ฅผ ์ดํ•ดํ•˜๊ธฐ ์œ„ํ•ด ์•Œ์•„์•ผ ํ•  ๊ฒƒ๋“ค โ€ข ํด๋Ÿฌ์Šคํ„ฐ / Cluster (Nodes) โ€ข ์ปจํ…Œ์ด๋„ˆ / Container โ€ข ํŒŸ / Pod โ€ข ๋ผ๋ฒจ / Labels โ€ข ๋ณต์ œ ์ปจํŠธ๋กค๋Ÿฌ / Replication Controller โ€ข ์„œ๋น„์Šค / Service
  • 14. ์ปจํ…Œ์ด๋„ˆ ์ธํ”„๋ผ์™€ Kubernetes (K8s) ์†Œ๊ฐœ ํŒŸ / Pod โ€ข ์Šค์ผ€์ค„๋ง์ด ๊ฐ€๋Šฅํ•œ K8s ๋‹จ์ผ ์ž‘์—… ๋‹จ์œ„ โ€“ ๋จธ์‹  ๊ฐ„ ์ด๋™ ๋ถˆ๊ฐ€๋Šฅ โ€“ ์—ฌ๋Ÿฌ ๋จธ์‹ ์œผ๋กœ ํ™•์žฅ ๋ถˆ๊ฐ€๋Šฅ โ€ข ์ปจํ…์ŠคํŠธ๋ฅผ ๊ณต์œ ํ•˜๋Š” ์ปจํ…Œ์ด๋„ˆ ๊ทธ๋ฃน โ€“ ๊ณต์œ  IP โ€“ ๊ณต์œ  ๋ณผ๋ฅจ โ€ข ๊ฐ pod์€ ๊ฐ์ž ์œ ์ผํ•œ IP ์ฃผ์†Œ๋ฅผ ์–ป์Œ
  • 15. ์ปจํ…Œ์ด๋„ˆ ์ธํ”„๋ผ์™€ Kubernetes (K8s) ์†Œ๊ฐœ ๋ผ๋ฒจ / Labels โ€ข ์ž„์˜์˜ ํ‚ค-๊ฐ’ ์Œ์„ ๊ฐ€์งˆ ์ˆ˜ ์žˆ์Œ โ€ข ๋ผ๋ฒจ์„ ์‚ฌ์šฉํ•˜์—ฌ ๊ฐœ์ฒด๋ฅผ queryํ•จ โ€ข ์‚ฌ์šฉํ•˜๋Š” ๋ถ€๋ถ„: โ€“ pod์„ ๋ณต์ œ ์ปจํŠธ๋กค๋Ÿฌ์™€ ๋งค์นญ โ€“ pod์„ ์„œ๋น„์Šค์™€ ๋งค์นญ โ€ขDNS ํ•ญ๋ชฉ๊ณผ ๋™์ผํ•œ ๋„ค์ด๋ฐ ๊ทœ์น™์„ ์‚ฌ์šฉ โ€ขtier=web, version=1.2, webserver != nginx
  • 16. OpenStack์—์„œ์˜ โ€œContainers & Kubernetesโ€ ์ปจํ…Œ์ด๋„ˆ ๊ด€๋ จ OpenStack ๊ณต์‹ ํ”„๋กœ์ ํŠธ
  • 17. OpenStack์—์„œ์˜ โ€œContainers & Kubernetesโ€ โ€ข Magnum โ€ข ์ปจํ…Œ์ด๋„ˆ ์˜ค์ผ€์ŠคํŠธ๋ ˆ์ด์…˜ ์—”์ง„์„ ํ”„๋กœ๋น„์ € ๋‹, ์Šค์ผ€์ผ๋ง ๋ฐ ๊ด€๋ฆฌ๋ฅผ ํ•˜๊ธฐ ์œ„ํ•œ ์„œ๋น„์Šค ์ง‘ํ•ฉ https://www.altoros.com/blog/openstack-orchestration-options-with-openstack-magnum/ https://www.youtube.com/watch?v=nxPUd8ZZuD0 https://wiki.openstack.org/wiki/Magnum
  • 18. OpenStack์—์„œ์˜ โ€œContainers & Kubernetesโ€ โ€ข Kuryr โ€ข ์ปจํ…Œ์ด๋„ˆ ๋„คํŠธ์›Œํ‚น ๋ชจ๋ธ ๏ƒŸโ†’ OpenStack ๋„คํŠธ์›Œํ‚น ๋ชจ๋ธ โ€ข ์ปจํ…Œ์ด๋„ˆ์—์„œ Neutron์—์„œ ์ •์˜๋œ ๋„คํŠธ์›Œํฌ๋ฅผ ์ง์ ‘ ์‚ฌ์šฉ โ€ข Fuxi โ€ข ์ปจํ…Œ์ด๋„ˆ ์Šคํ† ๋ฆฌ์ง€ ๋ชจ๋ธ ๏ƒŸโ†’ OpenStack ์Šคํ† ๋ฆฌ์ง€ ๋ชจ๋ธ โ€ข ์ปจํ…Œ์ด๋„ˆ/K8s์—์„œ Cinder ๋ฐ Manila ๋ณผ๋ฅจ์„ ์ง์ ‘ ์‚ฌ์šฉ ๊ฐ€๋Šฅ https://www.slideshare.net/openstackil/openstack-israel-meetup- project-kuryr-bringing-container-networking-to-neutron https://www.slideshare.net/nvirters/tech-talk-by-gal-sagie-kuryr- connecting-containers-networking-to-openstack-neutron https://www.openstack.org/assets/presentation-media/Kuryr-Fuxi.pdf
  • 19. OpenStack์—์„œ์˜ โ€œContainers & Kubernetesโ€ โ€ข Zun โ€ข OpenStack ์ธํ”„๋ผ ํ™˜๊ฒฝ ์œ„์— ์ปจํ…Œ์ด๋„ˆ๋ฅผ ์ง์ ‘ ๊ด€๋ฆฌ โ€ข ์ฐธ๊ณ : Nova-docker๋Š” Nova API๋ฅผ ํ†ตํ•ด docker์— ์•ก์„ธ์Šค๋ฅผ ํ•  ์ˆ˜ ์—† ์—ˆ์œผ๋‚˜, Zun์€ ์ปจํ…Œ์ด๋„ˆ๋ฅผ ๊ด€๋ฆฌ ๊ฐ€๋Šฅํ•œ ๋ชจ๋“  API๋ฅผ ์ œ๊ณตํ•จ https://www.slideshare.net/hongbin034/zun-presentation-openstack-barcelona-summit
  • 20. OpenStack์—์„œ์˜ โ€œContainers & Kubernetesโ€ โ€ข Kolla โ€ข OpenStack ํ•ต์‹ฌ ๊ตฌ์„ฑ ์š”์†Œ๋“ค์„ ์ปจํ…Œ์ด๋„ˆํ™”ํ•˜์—ฌ ๊ด€๋ฆฌ https://www.slideshare.net/Vikram_Hosakote/kolla-talk-at-openstack-summit-2017-in-sydney
  • 21. OpenStack์—์„œ์˜ โ€œContainers & Kubernetesโ€ โ€ข OpenStack-helm โ€ข Helm์€ Kubernetes์— ์–ดํ”Œ๋ฆฌ์ผ€์ด์…˜์„ chart ๋‹จ์œ„๋กœ ๋ฐฐํฌํ•˜๋Š” ๋„๊ตฌ โ€ข OpenStack-helm์€ ์ปจํ…Œ์ด๋„ˆํ™”๋œ OpenStack ๊ตฌ์„ฑ์š”์†Œ๋ฅผ Helm์„ ํ†ตํ•ด chart ๋‹จ์œ„๋กœ ๋ฐฐํฌ
  • 22. Azure์™€ Container Service, ๊ทธ๋ฆฌ๊ณ  AKS Azure์—์„œ์˜ ์ปจํ…Œ์ด๋„ˆ ์ง€์› ๋ฐฉ์‹ โ€ข Docker VM Extension (ํ…œํ”Œ๋ฆฟ) โ€ข Azure Driver with Docker-Machine โ€ข Container Service โ€ข Kubernetes Services (AKS)
  • 23. Azure์™€ Container Service, ๊ทธ๋ฆฌ๊ณ  AKS Docker VM Extension (ํ…œํ”Œ๋ฆฟ) โ€ข https://github.com/Azure/azure-quickstart- templates/tree/master/docker-simple-on-ubuntu
  • 24. Azure์™€ Container Service, ๊ทธ๋ฆฌ๊ณ  AKS Docker-Machine โ€ข https://docs.docker.com/machine/overview/ โ€ข Docker ์—”์ง„์„ ์ผ์ข…์˜ ๊ฐ€์ƒ ํ˜ธ์ŠคํŠธ์—์„œ docker-machine ๋ช…๋ น์–ด๋กœ ์ด๊ธฐ์ข… ํ”Œ๋žซํผ์—์„œ ์‹คํ–‰ ๊ฐ€๋Šฅํ•˜๋„๋ก ์„ค๊ณ„ โ€ข Mac, Windows Box + Azure, AWS ๋“ฑ ํด๋ผ์šฐ๋“œ ์ง€์› Azure Driver with Docker-Machine โ€ข Docker-Machine ๋ช…๋ น์–ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•˜๋„๋ก ์ œ๊ณต๋˜๋Š” Azure ์ปจํ…Œ์ด๋„ˆ ํ™˜๊ฒฝ docker-machine create -d azure --azure-ssh-user ops --azure-subscription-id <Your AZURE_SUBSCRIPTION_ID> --azure-open-port 80 machine
  • 25. Azure์™€ Container Service, ๊ทธ๋ฆฌ๊ณ  AKS Container Service โ€ข Azure์—์„œ ์ปจํ…Œ์ด๋„ˆ ๊ด€๋ฆฌ ์„œ๋น„์Šค์ธ DC/OS (w/ Mesos + Marathon), Swarm, Kubernetes ๋“ฑ๊ณผ ํ†ตํ•ฉ ๊ด€๋ฆฌ ๊ฐ€๋Šฅํ•œ ํ™˜๊ฒฝ ์ง€์›์„ ์œ„ํ•œ ์„œ๋น„์Šค
  • 26. Azure์™€ Container Service, ๊ทธ๋ฆฌ๊ณ  AKS Container Service for DC/OS (w/ Mesos + Marathon)
  • 27. Azure์™€ Container Service, ๊ทธ๋ฆฌ๊ณ  AKS Kubernetes Service (AKS) โ€ข ACS๊ฐ€ VM์„ ์ง์ ‘ ๋ฐฐํฌํ•˜๋Š” ๊ฒƒ๊ณผ ๋‹ฌ๋ฆฌ, AKS๋Š” managed Kubernetes ํ™˜๊ฒฝ
  • 28. ์ •๋ฆฌ โ€ข ์ธํ”„๋ผ ๊ธฐ์ˆ ์—์„œ ์ปจํ…Œ์ด๋„ˆ (Docker) ๋ฐ ์ปจํ…Œ์ด๋„ˆ ์˜ค์ผ€์ŠคํŠธ๋ ˆ์ด์…˜ (Docker Swarm, Kubernetes) ๊ธฐ์ˆ ์ด ๋ฐœ์ „ํ•˜์˜€์Œ โ€ข OpenStack์—์„œ๋Š” ์ปจํ…Œ์ด๋„ˆ๋ฅผ ์ธํ”„๋ผ์— ๋„์ž…ํ•˜๊ณ ์ž ํ•˜๋Š” ๋‹ค์–‘ํ•œ ๊ธฐ์ˆ  ์‹œ ๋„๊ฐ€ ์ด๋ฃจ์–ด์กŒ์Œ โ€ข Azure ์—ญ์‹œ ๋‹ค์–‘ํ•œ ์ ‘๊ทผ ๋ฐฉ์‹์œผ๋กœ ์ปจํ…Œ์ด๋„ˆ ๋ฐ ์ปจํ…Œ์ด๋„ˆ ์˜ค์ผ€์ŠคํŠธ๋ ˆ์ด์…˜ ์„ ์ง€์›ํ•˜๊ณ ์ž ํ•จ โ€ข OpenStack Foundation์—์„œ๋Š” ๋˜ํ•œ Katacontainer๋ฅผ ํ†ตํ•œ Container + Lightweight VM์„ ํ™œ์šฉํ•˜๋Š” ์ƒˆ ํ”„๋กœ์ ํŠธ๋ฅผ 2017๋…„ 12์›” ๋ฐœํ‘œ โ€ข ์œ„ ๊ธฐ์ˆ ๋“ค์€ ํ˜„์žฌ Linux ๊ธฐ๋ฐ˜์„ ๊ฐ€์ •์œผ๋กœ ํ•˜๊ณ  ์žˆ์œผ๋ฉฐ, ๋‹ค์Œ ์„ธ์…˜์—์„œ Windows์™€ ๊ด€๋ จ๋œ ์ปจํ…Œ์ด๋„ˆ ๋‚ด์šฉ์„ ์„ค๋ช…ํ•  ๊ฒƒ์ž„