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Kubernetes Study

1. Pod ์ƒ์„ฑ ๋ฐ ํ™˜๊ฒฝ๋ณ€์ˆ˜ ์‹ค์Šต

  • Pod API ๋ฒ„์ „: v1
  • Pod ๋ฆฌ์†Œ์Šค ์ข…๋ฅ˜: Pod
  • Pod ์ด๋ฆ„: hello-app
  • Pod ๋„ค์ž„์ŠคํŽ˜์ด์Šค: default
  • ์ปจํ…Œ์ด๋„ˆ ์ด๋ฆ„: hello-app
  • ์ปจํ…Œ์ด๋„ˆ ์ด๋ฏธ์ง€: hello-app:1.0
  • ์ปจํ…Œ์ด๋„ˆ ํฌํŠธ: 8080
  • ํ™˜๊ฒฝ ๋ณ€์ˆ˜: POD_NAME, POD_IP, POD_NAMESPACE, POD_NODE_NAME, POD_NODE_IP, STUDENT_NAME, GREETING

์‹ค์Šต ๋‚ด์šฉ

  1. Pod ์ƒ์„ฑ YAML ํŒŒ์ผ ์ž‘์„ฑ
  2. ํ™˜๊ฒฝ๋ณ€์ˆ˜๋ฅผ ํ†ตํ•œ Pod ๋ฉ”ํƒ€๋ฐ์ดํ„ฐ ์ „๋‹ฌ
  3. Pod ์ƒ์„ฑ ๋ฐ ์ƒํƒœ ํ™•์ธ
  4. Pod ๋กœ๊ทธ ํ™•์ธ
  5. Pod ๋‚ด๋ถ€ ํ™˜๊ฒฝ๋ณ€์ˆ˜ ํ™•์ธ

2. ReplicaSet ์‹ค์Šต

  • ReplicaSet API ๋ฒ„์ „: apps/v1
  • ReplicaSet ์ด๋ฆ„: blue-replica-set, myapp-replica-set
  • ReplicaSet replicas: 3
  • ์ปจํ…Œ์ด๋„ˆ ์ด๋ฏธ์ง€:
    • blue-app:1.0
    • my-app:2.0-unhealthy

์‹ค์Šต ๋‚ด์šฉ

  1. ReplicaSet YAML ํŒŒ์ผ ์ž‘์„ฑ
  2. ReplicaSet์„ ํ†ตํ•œ Pod ๋ณต์ œ๋ณธ ๊ด€๋ฆฌ
  3. Pod Template ์„ค์ •
  4. ๋ ˆ์ด๋ธ”๊ณผ ์…€๋ ‰ํ„ฐ๋ฅผ ํ†ตํ•œ Pod ๊ด€๋ฆฌ
  5. ๋ฆฌ์†Œ์Šค ์š”์ฒญ ๋ฐ ์ œํ•œ ์„ค์ •
  6. ๋กค๋ฐฑ ์‹œ๋‚˜๋ฆฌ์˜ค ์‹ค์Šต

์ฃผ์š” ํ•™์Šต ๋‚ด์šฉ

  • Kubernetes ๊ธฐ๋ณธ ๊ฐœ๋… ์ดํ•ด
  • YAML ํŒŒ์ผ์„ ํ†ตํ•œ ๋ฆฌ์†Œ์Šค ์„ ์–ธ์  ๊ด€๋ฆฌ
  • Pod์™€ ReplicaSet์˜ ๊ด€๊ณ„
  • ํ™˜๊ฒฝ๋ณ€์ˆ˜๋ฅผ ํ†ตํ•œ ์„ค์ • ๊ด€๋ฆฌ
  • ์ปจํ…Œ์ด๋„ˆ ๋ฆฌ์†Œ์Šค ๊ด€๋ฆฌ
  • ๊ณ ๊ฐ€์šฉ์„ฑ์„ ์œ„ํ•œ ๋ณต์ œ๋ณธ ๊ด€๋ฆฌ

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