Kubernetes: jsonpath๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ์ฃผ์„ ํ‚ค๋ฅผ ์„ ํƒํ•  ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค.

์— ๋งŒ๋“  2016๋…„ 09์›” 02์ผ  ยท  2์ฝ”๋ฉ˜ํŠธ  ยท  ์ถœ์ฒ˜: kubernetes/kubernetes

kubectl ... -o jsonpath ์‚ฌ์šฉ์„ ์ข‹์•„ํ•˜์ง€๋งŒ - ๋˜๋Š” / ๋˜๋Š” . ์™€ ๊ฐ™์€ ํŠน์ˆ˜ ๋ฌธ์ž๊ฐ€ ํฌํ•จ ๋œ ์ฃผ์„์„ ์ธ์‡„ํ•˜๋Š” ๋ฐฉ๋ฒ•์„ ์•Œ ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค.

์ž‘๋™ํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค.
kubectl get pods tmp -o 'jsonpath={.metadata.annotations.kubernetes.io/created-by}{"\n"}'
์ด๊ฒƒ๋„ :
kubectl get pods tmp -o 'jsonpath={.metadata.annotations.kubernetes\.io\/created\-by}{"\n"}'
์ด๊ฒƒ๋„ :
kubectl get pods tmp -o 'jsonpath={.metadata.annotations}{["kubernetes.io/created-by"]}{"\n"}'
์ด๊ฒƒ๋„ :
kubectl get pods tmp-1986694738-dhpx0 -o โ€‹โ€‹jsonpath = "{\ $ [ 'metadata'] [ 'annotations'] [ 'kubernetes.io/created-by']}"
(๋งˆ์ง€๋ง‰์€ jsonPath์— ๋Œ€ํ•ด ์ฐพ์„ ์ˆ˜์žˆ๋Š” ๋‚ด์šฉ์— ๋”ฐ๋ผ ์ž‘๋™ํ•ด์•ผํ•˜์ง€๋งŒ ๊ทธ๋ ‡์ง€ ์•Š์œผ๋ฉฐ ์–ด์จŒ๋“  ์‰˜ ์ด์Šค์ผ€์ดํ”„๋ฅผ ์ œ๋Œ€๋กœ ์ˆ˜ํ–‰ํ•˜๊ธฐ๊ฐ€ ์–ด๋ ต์Šต๋‹ˆ๋‹ค.

์ธ์šฉํ•˜๋Š” ๋ฐฉ๋ฒ•์ด ํ•„์š”

arekubectl kinbug prioritbacklog

๊ฐ€์žฅ ์œ ์šฉํ•œ ๋Œ“๊ธ€

์ฐธ๊ณ ๋กœ, ์ด๊ฒƒ์€ go-template์œผ๋กœ ๊ฐ€๋Šฅํ•ฉ๋‹ˆ๋‹ค. ๊ทธ๋ž˜๋„ jsonpath๋ฅผ ์ˆ˜์ •ํ•ด์•ผํ•ฉ๋‹ˆ๋‹ค.

kubectl get pods tmp -o go-template=$'{{index .metadata.annotations "kubernetes.io/created-by"}}\n'

์œ ์‚ฌํ•œ ๋ฌธ์ œ : https://github.com/kubernetes/kubernetes/issues/23386

๋ชจ๋“  2 ๋Œ“๊ธ€

์ด์— ๋Œ€ํ•œ ์‚ฌ์šฉ ์‚ฌ๋ก€๋Š” "์ƒ์„ฑ์ž"๋˜๋Š” "์ดˆ๊ธฐ ์ปจํ…Œ์ด๋„ˆ"์ฃผ์„์„ ์ถ”์ถœํ•˜๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค. ๋‚˜๋Š” ์ง€๋‚œ๋‹ฌ์— ๋‘˜ ๋‹คํ•˜๊ณ  ์‹ถ์—ˆ๊ณ  jsonpath์™€ ์‹ธ์› ๋‹ค.

์ฐธ๊ณ ๋กœ, ์ด๊ฒƒ์€ go-template์œผ๋กœ ๊ฐ€๋Šฅํ•ฉ๋‹ˆ๋‹ค. ๊ทธ๋ž˜๋„ jsonpath๋ฅผ ์ˆ˜์ •ํ•ด์•ผํ•ฉ๋‹ˆ๋‹ค.

kubectl get pods tmp -o go-template=$'{{index .metadata.annotations "kubernetes.io/created-by"}}\n'

์œ ์‚ฌํ•œ ๋ฌธ์ œ : https://github.com/kubernetes/kubernetes/issues/23386

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