Nodeport

Kubernetes Service(1): ClusterIP/NodePort

  • kkumtree

2024-09-27T21:28:17+09:00

Kubernetes์˜ (์ปจ์…‰, ํ˜น์€ ์ฝ˜์…‰ํŠธ๋ผ ๋ถˆ๋ฆฌ๋Š”) Concepts ์ค‘์—์„œ Service์˜ ์ฃผ์ œ๋ฅผ ๋‹ค๋ค„๋ด…๋‹ˆ๋‹ค.

CloudNet@์—์„œ ์ง„ํ–‰ํ•˜๊ณ  ์žˆ๋Š” K8s Advanced Network Study(์ดํ•˜, KANS)๋ฅผ ํ†ตํ•ด ํ•™์Šตํ•œ ๋‚ด์šฉ์„ ์ •๋ฆฌํ•ฉ๋‹ˆ๋‹ค.

Service Docs์— ๋ช…๋ฃŒํ•˜๊ฒŒ ์ ํ˜€์žˆ๊ธด ํ•˜์ง€๋งŒ,
๋‹จ์œ„ ๊ธฐ๋Šฅ์œผ๋กœ ์ž˜๊ฒŒ ์ชผ๊ฐ  Pod๋Š” ๊ฒฐ๊ตญ ๊ฐœ๋ณ„์ ์ธ IP๋ฅผ ๊ฐ–๊ฒŒ๋˜๋Š”๋ฐ, Blue/Green ์ด๋ฏธ์ง€ ์—…๋ฐ์ดํŠธ๋ฅผ ๋น„๋กฏํ•ด์„œ ๊ฐ™์€ ๊ธฐ๋Šฅ์„ ํ•˜๋Š” ์ƒˆ๋กœ์šด Pod์˜ IP๋ฅผ ๋‹ค๋ฅธ Pod๊ฐ€ IP์ฃผ์†Œ ๊ทธ๋Œ€๋กœ ์ ‘๊ทผํ•˜๊ธฐ ์–ด๋ ค์›Œ ์ค‘๊ฐ„์— ๋‘” ๊ฒƒ์œผ๋กœ ์ดํ•ด๋ฅผ ํ•ด๋ณด์•˜์Šต๋‹ˆ๋‹ค.

์ง€๊ธˆ ๋ ˆ๋ฒจ์—์„œ๋Š” ๊ฐ€์ •์šฉ ๊ณต์œ ๊ธฐ์—์„œ ๋™์ IP ํ™˜๊ฒฝ์— ๋Œ€์‘ํ•˜๊ธฐ ์œ„ํ•ด, DDNS๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ๊ฒƒ๊ณผ, MAC ADDR ๊ธฐ์ค€์œผ๋กœ Static IP(DHCP๋ชจ๋“œ์‹œ ํ™œ์šฉ)๋ฅผ ์˜ˆ์•ฝํ•˜๋Š” ๊ฒƒ์„ ์„ž์€ ๊ทธ ์–ด๋”˜๊ฐ€๋กœ ๋‚ฉ๋“ํ•˜๊ณ  ๊ณ„์† ์จ๋ณด๋„๋ก ํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค.

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