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コンテナIDの特定について #17

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ken109 opened this issue Jun 28, 2022 · 2 comments
Open

コンテナIDの特定について #17

ken109 opened this issue Jun 28, 2022 · 2 comments
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@ken109
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ken109 commented Jun 28, 2022

今はnodenameの中をコンテナIDとしているが、ここにはhostnameが入る

docker run -d -p 8079:80 --rm --hostname nginx_t2 --name nginx_t2 nginx

のようにすると

{"level":"info","ts":1625712068.886926,"caller":"cmd/router.go:62","msg":"a process start to listen. container_id: nginx_t2, Pid: 107349, Comm: nginx, Protocol: TCPv4, LocalPort: 80"}

nginx_2となる。これはコンテナIDではない

マイナーなケースだしコンテナ名も一意なはずなので対応方法はありそう
余裕があればやる

@ken109
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ken109 commented Jun 28, 2022

https://github.com/moby/moby/blob/2773f81aa5e9e34733675a7aa7e4219391caccb0/daemon/container.go#L199-L204

でコンテナIDの先頭12に切り取ってhostnameとしていた

@ken109
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ken109 commented Jun 28, 2022

https://github.com/lockc-project/lockc/blob/main/lockc-ebpf/src/proc.rs

この実装をパクれば解決できる

@ken109 ken109 self-assigned this Jun 28, 2022
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