kkumtree

Calico ๋ฐ ๋ฉ”ํŠธ๋ฆญ ์ˆ˜์ง‘ ๊ตฌ์„ฑ

  • kkumtree

2024-09-15T18:40:22+09:00

CloudNet@์—์„œ ์ง„ํ–‰ํ•˜๊ณ  ์žˆ๋Š” K8s Advanced Network Study(์ดํ•˜, KANS)๋ฅผ ํ†ตํ•ด ํ•™์Šตํ•œ ๋‚ด์šฉ์„ ์ •๋ฆฌํ•ฉ๋‹ˆ๋‹ค. 1. Calico ์„ค์น˜ ์Šคํ„ฐ๋””์—์„œ AWS CF ๋ฐ Calico ์„ค์น˜ ์Šคํฌ๋ฆฝํŠธ(Manifest)๋ฅผ ์ œ๊ณตํ•˜์˜€๊ธฐ์—, ์ด ๋ถ€๋ถ„์€ ์ฐธ๊ณ ๋งŒ ํ•˜์‹œ๊ธฐ ๋ฐ”๋ž๋‹ˆ๋‹ค. CNI๊ฐ€ ์„ค์น˜๋˜์ง€ ์•Š์•˜๊ธฐ์— NotReady ์ƒํƒœ์— ์žˆ๋‹ค๊ฐ€, Calico ์„ค์น˜ํ•˜๋ฉด CoreDNS๊ฐ€ ์„ค์ •๋˜๋ฉฐ, Ready ์ƒํƒœ๋กœ ๋ณ€๊ฒฝ๋œ๋‹ค. Calico ์„ค์น˜ ์ „ # Control Plane and worker nodes are not ready (โŽˆ|HomeLab:default) root@k8s-m:~# kubectl get nodes NAME STATUS ROLES AGE VERSION k8s-m NotReady control-plane 32m v1.30.5 k8s-w0 NotReady <none> 31m v1.

KIND ํ†บ์•„๋ณด๊ธฐ

  • kkumtree

2024-09-03T21:16:07+09:00

ํ†บ์•„๋ณด๋‹ค(์šฐ๋ฆฌ๋ง์ƒ˜) ๋Š” ์˜์™ธ๋กœ ํ‘œ์ค€์–ด๋ผ๊ณ  ํ•ฉ๋‹ˆ๋‹ค. KIND ์„ค์น˜ ์ดํ›„์— ๊ธฐ๋ณธ์ ์ธ ๋‚ด์šฉ์„ ์‚ดํŽด๋ด…๋‹ˆ๋‹ค. CloudNet@์—์„œ ์ง„ํ–‰ํ•˜๊ณ  ์žˆ๋Š” K8s Advanced Network Study(์ดํ•˜, KANS)๋ฅผ ํ†ตํ•ด ํ•™์Šตํ•œ ๋‚ด์šฉ์„ ์ •๋ฆฌํ•ฉ๋‹ˆ๋‹ค. 0. $KUBECONFIG $KUBECONFIG ํ™˜๊ฒฝ๋ณ€์ˆ˜๊ฐ€ ์—†์„ ๊ฒฝ์šฐ: ๋ณดํ†ต์€ ~/.kube ๋””๋ ‰ํ† ๋ฆฌ๊ฐ€ ์ƒ์„ฑ๋ฉ๋‹ˆ๋‹ค. ํ™•์ธํ•ด๋ณด๋‹ˆ, config ๊ฐ’๊ณผ ๋”๋ถˆ์–ด, cache ๋””๋ ‰ํ† ๋ฆฌ๋„ ํ™•์ธํ•  ์ˆ˜ ์žˆ์—ˆ์Šต๋‹ˆ๋‹ค. โฏ find ~/.kube -maxdepth 2 -type f -exec ls -ld "{}" \; -rw------- 1 kkumtree kkumtree 44 Sep 3 21:31 /home/kkumtree/.kube/config โฏ find ~/.kube -maxdepth 2 -type d -exec ls -ld "{}" \; drwxr-x--- 3 kkumtree kkumtree 4096 Sep 3 21:31 /home/kkumtree/.

๋ฆฌ๋ˆ…์Šค์— KIND ์„ค์น˜ํ•˜๊ธฐ w/golang

  • kkumtree

2024-09-02T00:33:19+09:00

Helm ์„ค์น˜ ์ถ”๊ฐ€ CloudNet@์—์„œ ์ง„ํ–‰ํ•˜๊ณ  ์žˆ๋Š” K8s Advanced Network Study(์ดํ•˜, KANS)์— ์ฐธ์—ฌํ•˜๊ฒŒ ๋˜๋ฉด์„œ ๊ธฐ๋ก์„ ๋‚จ๊ธฐ๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค. ์ด๋ฒˆ์—๋Š” kind(Kubernetes IN Docker)๋ฅผ Golang์„ ํ†ตํ•ด ์„ค์น˜ํ•˜๋ฉด์„œ ์•ฝ๊ฐ„์˜ ์†Œ?๋ž€์ด ์žˆ์—ˆ๋˜ ๋ถ€๋ถ„๋งŒ ๋‹ค๋ฃน๋‹ˆ๋‹ค. 1. KIND๋ž€? ์•„๋ž˜ ์‚ฌ์ง„์œผ๋กœ ๋Œ€์ฒดํ•ฉ๋‹ˆ๋‹ค. ์ž์„ธํ•œ ๋‚ด์šฉ์€ Docs/Initial_design์—์„œ ๋ณผ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. 2. KIND ์„ค์น˜ํ•˜๊ธฐ Docs/Quick-start๋ฅผ ์ฐธ๊ณ ํ•ฉ๋‹ˆ๋‹ค. Linux์˜ ๊ฒฝ์šฐ, ํŒจํ‚ค์ง€ ๊ด€๋ฆฌ์ž ์„ค์น˜๊ฐ€ ์—†์–ด ๋ฐ”์ด๋„ˆ๋ฆฌ, ํ˜น์€ ์†Œ์Šค๋กœ ์„ค์น˜ํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค. ์•„๋ž˜ ๋‘ ๋ฌธ์žฅ์— ๋ญ”๊ฐ€ ๋ฐœ๋™ํ•˜์—ฌ Go ์–ธ์–ด๋กœ ์„ค์น˜๋ฅผ ํ•ด๋ณด๊ธฐ๋กœ ํ–ˆ์Šต๋‹ˆ๋‹ค. If you are a go developer you may find the go install option convenient.

Jenkins ์ปจํ…Œ์ด๋„ˆ์—์„œ Host์˜ Docker ๋ฐ๋ชฌ ์‚ฌ์šฉํ•˜๊ธฐ

  • kkumtree

2024-09-01T09:02:15+09:00

์ตœ๊ทผ CloudNet@์—์„œ ์ง„ํ–‰ํ•˜๊ณ  ์žˆ๋Š” K8s Advanced Network Study(์ดํ•˜, KANS)์— ์ฐธ์—ฌํ•˜๊ฒŒ ๋˜์—ˆ์Šต๋‹ˆ๋‹ค. ๋‚œ์ด๋„๋ฅผ ์ƒ๊ฐํ•˜๋ฉด KH(Hardcore)NS๊ฐ€ ๋” ๋งž์•„๋ณด์ด์ง€๋งŒ… k8s๊ฐ€ ์›Œ๋‚™ ์ธ๊ธฐ๊ฐ€ ๋งŽ๊ธฐ๋„ ํ•˜์ง€๋งŒ, Pod ๊ฐ„ ํ†ต์‹ ์—๋Š” ๋งŽ์€ ์ง€์‹์ด ํˆฌ์—ฌ๋˜๊ธฐ์— ์ด๋ฒˆ ๊ธฐํšŒ์— ์‚ดํŽด๋ณด๊ธฐ๋กœ ํ–ˆ์Šต๋‹ˆ๋‹ค. ์ฒซ ์ฃผ์ฐจ๋Š”, ๋ฐ”๋กœ Kubernetes์— ์ง„์ž…ํ•˜์ง€ ์•Š๊ณ  Containerization์— ๋Œ€ํ•œ ์ดํ•ด๋ฅผ ๋จผ์ € ๋‹ค๋ค„์ฃผ์…จ์Šต๋‹ˆ๋‹ค. ์—ฌํƒ€ ์ฟ ๋ฒ„๋„คํ‹ฐ์Šค ๊ฐ•์˜์™€ ๋‹ฌ๋ฆฌ 9์ฃผ ๊ฐ„ ๋งค์ฃผ ์ผ์š”์ผ์—๋งŒ ์ง„ํ–‰๋˜๋Š” ์„ธ์…˜์ธ๋ฐ๋„, ๊ธฐ๋ฐ˜ ๊ธฐ์ˆ ์„ ๋‹ค์‹œ ์งš์–ด์ฃผ์…”์„œ ๊ฐ์‚ฌํ–ˆ์Šต๋‹ˆ๋‹ค. 1. AWS EC2 Instance ์…‹์—… CloudFormation์„ ํ†ตํ•ด, EC2 ๋ฐ ์ œ๋ฐ˜์‚ฌํ•ญ์„ ๊ตฌ์„ฑํ•˜์—ฌ ์ฃผ์…จ์Šต๋‹ˆ๋‹ค๋งŒ, ์ทจ๋ฏธ ์‚ผ์•„ Terraform ๋ณ€ํ™˜ ์ž‘์—…์„ ํ•ด๋ณด์•˜์Šต๋‹ˆ๋‹ค.

Blog maintanence in 2024

  • kkumtree

2024-08-26T00:02:49+09:00

Before starting group study, I decided to update my blog. Very small things, but I have some needs about it. One is GitHub Actions’ dependency update and another is Licences. Cause, Blog is deployed via Github Actions, I need to check dependencies in Github Actions’ workflow. What I use is actions/checkout, actions/setup-go, and actions/setup-node. Name Prev. Version Latest Version Purpose checkout actions/checkoutv3 actions/checkoutv4 Src. and Dest. Branch setup-go actions/setup-go@v4 actions/setup-go@v5 Hugo setup-node actions/setup-node@v3 actions/setup-node@v4 Vanila Framework commit 5d4c9b9 Another thing is Licences.

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