Nomad: ๋ฌดํ•œํžˆ ์ฆ๊ฐ€ํ•˜๋Š” Docker ๋กœ๊ทธ

์— ๋งŒ๋“  2019๋…„ 06์›” 05์ผ  ยท  4์ฝ”๋ฉ˜ํŠธ  ยท  ์ถœ์ฒ˜: hashicorp/nomad

Nomad ๋ฒ„์ „

Nomad v0.9.1 (4b2bdbd9ab68a27b10c2ee781cceaaf62e114399)

๋ฐœํ–‰๋ฌผ

๋ฌดํ•œํžˆ ์ฆ๊ฐ€ํ•˜๋Š” Docker ๋กœ๊ทธ. Docker๋Š” dockerd --data-root ์•„๋ž˜์— ๋กœ๊ทธ๋ฅผ ์ €์žฅํ•ฉ๋‹ˆ๋‹ค. Nomad๋Š” ๊ทธ๊ฒƒ๋“ค์„ ๋”ฐ๋กœ ๋ชจ์œผ๊ณ ์žˆ๋Š” ๊ฒƒ ๊ฐ™๊ณ  ๊ฑฐ๊ธฐ์—์„œ๋„ ๋ฉ‹์ง„ ๋กœ๊ทธ ํšŒ์ „์„ ์ˆ˜ํ–‰ํ•ฉ๋‹ˆ๋‹ค. ๊ทธ๋Ÿฌ๋‚˜ ๋กœ๊ทธ์˜ ์‹ค์ œ ์†Œ์Šค๋Š” ์ •๋ฆฌ๋˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค. ์งง์€ ์‹œ๊ฐ„์— 116GB์— ๋‹ฌํ•˜๋Š” ์•ก์„ธ์Šค ๋กœ๊ทธ์˜ ํŒŒ์ผ์ด ์ด๋ฏธ ์žˆ์Šต๋‹ˆ๋‹ค. ์—ฌ๊ธฐ du -h ์Šค ๋‹ˆํŽซ์ด ์žˆ์Šต๋‹ˆ๋‹ค.
117G /var/lib/docker/containers/dafbe8ab0f5aec724e49d80aee5ef77824838870460a0182e76c0924b45ae4ba/dafbe8ab0f5aec724e49d80aee5ef77824838870460a0182e76c0924b45ae4ba-json.log

๋ณต์ œ ๋‹จ๊ณ„

๋กœ๊ทธ๋ฅผ ์ƒ์„ฑํ•˜๋Š” ๋ชจ๋“  ์ž‘์—…

themdrivedocker typbug

๊ฐ€์žฅ ์œ ์šฉํ•œ ๋Œ“๊ธ€

์ด๊ฒƒ์€ Nomad๊ฐ€ Docker ๋“œ๋ผ์ด๋ฒ„์—์„œ ๋กœ๊ทธ๋ฅผ ์ˆ˜์ง‘ํ•˜๋Š” ๋ฐฉ๋ฒ•์— ๋Œ€ํ•œ ์ตœ๊ทผ ๋ณ€๊ฒฝ์˜ ๋ถ€์ž‘์šฉ ์ธ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค.
max-size / max-file์„ ๊ตฌ์„ฑํ•˜์ง€ ์•Š๊ณ  syslog ์—์„œ json-file .

๋‹น๋ถ„๊ฐ„์€ /etc/docker/daemon.json์—์„œ ํŒŒ์ผ์„ ํšŒ์ „ํ•˜๋„๋ก Docker๋ฅผ ๊ตฌ์„ฑํ–ˆ์Šต๋‹ˆ๋‹ค.

{
  "log-driver": "json-file",
  "log-opts": {
    "max-size": "100m",
    "max-file": "2"
  }
}

์ž‘์—… ํŒŒ์ผ์˜ ๋“œ๋ผ์ด๋ฒ„์— ๋กœ๊น… ๊ตฌ์„ฑ์„ ์ „๋‹ฌํ•  ์ˆ˜ ์žˆ๋‹ค๋Š” ๊ฒƒ์„ ์•Œ๊ณ  ์žˆ์ง€๋งŒ ์ƒˆ๋กœ ๋„์ž… ๋œ plugin / docker / config ์Šคํƒ ์ž ์•„๋ž˜์˜ ํด๋ผ์ด์–ธํŠธ ๊ตฌ์„ฑ์—์„œ๋„ ๊ทธ๋ ‡๊ฒŒ ํ•  ์ˆ˜ ์žˆ์œผ๋ฉด ์ข‹์„ ๊ฒƒ์ž…๋‹ˆ๋‹ค.

๋ชจ๋“  4 ๋Œ“๊ธ€

์ด๊ฒƒ์€ Nomad๊ฐ€ Docker ๋“œ๋ผ์ด๋ฒ„์—์„œ ๋กœ๊ทธ๋ฅผ ์ˆ˜์ง‘ํ•˜๋Š” ๋ฐฉ๋ฒ•์— ๋Œ€ํ•œ ์ตœ๊ทผ ๋ณ€๊ฒฝ์˜ ๋ถ€์ž‘์šฉ ์ธ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค.
max-size / max-file์„ ๊ตฌ์„ฑํ•˜์ง€ ์•Š๊ณ  syslog ์—์„œ json-file .

๋‹น๋ถ„๊ฐ„์€ /etc/docker/daemon.json์—์„œ ํŒŒ์ผ์„ ํšŒ์ „ํ•˜๋„๋ก Docker๋ฅผ ๊ตฌ์„ฑํ–ˆ์Šต๋‹ˆ๋‹ค.

{
  "log-driver": "json-file",
  "log-opts": {
    "max-size": "100m",
    "max-file": "2"
  }
}

์ž‘์—… ํŒŒ์ผ์˜ ๋“œ๋ผ์ด๋ฒ„์— ๋กœ๊น… ๊ตฌ์„ฑ์„ ์ „๋‹ฌํ•  ์ˆ˜ ์žˆ๋‹ค๋Š” ๊ฒƒ์„ ์•Œ๊ณ  ์žˆ์ง€๋งŒ ์ƒˆ๋กœ ๋„์ž… ๋œ plugin / docker / config ์Šคํƒ ์ž ์•„๋ž˜์˜ ํด๋ผ์ด์–ธํŠธ ๊ตฌ์„ฑ์—์„œ๋„ ๊ทธ๋ ‡๊ฒŒ ํ•  ์ˆ˜ ์žˆ์œผ๋ฉด ์ข‹์„ ๊ฒƒ์ž…๋‹ˆ๋‹ค.

Nomad ์ž‘์—… ์Šคํƒ ์ž์— ์ถ”๊ฐ€ํ•˜๋Š” ๋ฐฉ๋ฒ• :

     task "redis" {
      driver = "docker"
      config {
        image = "redis:3.2"
        port_map {
          db = 6379
        }
        logging {
          config {
            max-size= "10m",
            max-file= "10"
          }
        }
      }
....

https://github.com/hashicorp/nomad/pull/5846 ์ด์ด ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•ฉ๋‹ˆ๊นŒ?

๋„ค! ์•Œ๋ฆผ @camerondavison ์ฃผ์…”์„œ ๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค!

0.9.4-rc1์„ ํ…Œ์ŠคํŠธํ•˜์‹ญ์‹œ์˜ค : https://groups.google.com/d/msg/nomad-tool/Zi2I7P-PWo0/yAPFPmgLDQAJ

์ด ํŽ˜์ด์ง€๊ฐ€ ๋„์›€์ด ๋˜์—ˆ๋‚˜์š”?
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