인프런 커뮤니티 질문&답변

질문 답변을 제공하지만, 강의 비용에는 Q&A는 포함되어 있지 않습니다.
다만 실습이 안되거나, 잘못된 내용의 경우는 알려주시면 가능한 빠르게 조치하겠습니다!

[질문 전 답변]
1. 강의에서 다룬 내용과 관련된 질문인가요? [예 | 아니요]
2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? [예 | 아니요]
3. 질문 잘하기 법을 읽어보셨나요? [예 | 아니요]
(https://inf.run/DvsRD)
4. 잠깐! 인프런 서비스 운영 관련 문의는 1:1 문의하기를 이용해주세요.

[질문 하기

안녕하세요.
k get ipaddresspools.metallb.io -A 입력 시
No resources found 가 뜹니다.
Metallb CRD는 정상 설치된 듯 한데 따로 파일 생성이 안 된 듯 합니다.
ipaddresspool.yaml , l2advertisement.yaml 을 따로 생성해야 하는 건가요? 생성한다면 생성 경로 안내도 부탁드립니다.
도움 부탁드립니다.

아래는 메탈LB 컨트롤러 로그 요약한 것 입니다.

vagrant@cp-k8s:~$ kubectl logs -n metallb-system deploy/controller --tail=200
{"branch":"dev","caller":"main.go:167","commit":"dev","goversion":"gc / go1.21.8 / amd64","level":"info","msg":"MetalLB controller starting version 0.14.4 (commit dev, branch dev)","ts":"2025-08-14T01:29:47Z"}

{"action":"setting up cert rotation","caller":"webhook.go:31","level":"info","op":"startup","ts":"2025-08-14T01:29:47Z"}

{"caller":"k8s.go:394","level":"info","msg":"secret successfully created","op":"CreateMlSecret","ts":"2025-08-14T01:29:47Z"}

{"caller":"k8s.go:417","level":"info","msg":"Starting Manager","op":"Run","ts":"2025-08-14T01:29:47Z"}

{"level":"info","ts":"2025-08-14T01:29:47Z","msg":"Starting Controller","controller":"cert-rotator"}

{"level":"info","ts":"2025-08-14T01:29:47Z","logger":"cert-rotation","msg":"starting cert rotator controller"}

{"level":"info","ts":"2025-08-14T01:29:47Z","msg":"Starting Controller","controller":"ipaddresspool","controllerGroup":"metallb.io"}

{"level":"info","ts":"2025-08-14T01:29:47Z","msg":"Starting Controller","controller":"service"}

{"level":"info","ts":"2025-08-14T01:29:47Z","logger":"cert-rotation","msg":"refreshing CA and server certs"}

{"level":"info","ts":"2025-08-14T01:29:47Z","msg":"Starting workers","controller":"service","worker count":1}

{"level":"info","ts":"2025-08-14T01:29:47Z","msg":"Starting workers","controller":"cert-rotator","worker count":1}

{"level":"info","ts":"2025-08-14T01:29:47Z","msg":"Starting workers","controller":"ipaddresspool","controllerGroup":"metallb.io","controllerKind":"IPAddressPool","worker count":1}

{"caller":"pool_controller.go:48","controller":"PoolReconciler","level":"info","start reconcile":"/kube-public"}

{"caller":"pool_controller.go:99","controller":"PoolReconciler","event":"force service reload","level":"info"}

{"caller":"service_controller_reload.go:108","controller":"ServiceReconciler - reprocessAll","event":"failed to handle service, no retry","level":"error","name":"ingress-nginx/ingress-nginx-controller"}

{"level":"error","ts":"2025-08-14T01:29:48Z","logger":"cert-rotation","msg":"could not refresh CA and server certs","error":"Operation cannot be fulfilled on secrets \"metallb-webhook-cert\""}

{"level":"error","ts":"2025-08-14T01:29:48Z","logger":"cert-rotation","msg":"secret is not well-formed, cannot update webhook configurations","error":"Cert secret is not well-formed, missing ca.crt"}

{"level":"info","ts":"2025-08-14T01:29:49Z","logger":"cert-rotation","msg":"certs are ready in /tmp/k8s-webhook-server/serving-certs"}

{"level":"info","ts":"2025-08-14T01:29:49Z","logger":"cert-rotation","msg":"CA certs are injected to webhooks"}

{"action":"webhooks enabled","caller":"webhook.go:53","level":"info","op":"startup"}

{"level":"info","ts":"2025-08-14T01:29:49Z","logger":"controller-runtime.webhook","msg":"Registering webhook","path":"/validate-metallb-io-v1beta1-ipaddresspool"}

{"level":"info","ts":"2025-08-14T01:29:49Z","logger":"controller-runtime.webhook","msg":"Registering webhook","path":"/validate-metallb-io-v1beta2-bgppeer"}

{"level":"info","ts":"2025-08-14T01:29:49Z","logger":"controller-runtime.webhook","msg":"Registering webhook","path":"/validate-metallb-io-v1beta1-bgpadvertisement"}

{"level":"info","ts":"2025-08-14T01:29:49Z","logger":"controller-runtime.webhook","msg":"Starting webhook server"}

{"level":"info","ts":"2025-08-14T01:29:49Z","logger":"controller-runtime.certwatcher","msg":"Updated current TLS certificate"}

{"level":"info","ts":"2025-08-14T01:29:49Z","logger":"controller-runtime.certwatcher","msg":"Starting certificate watcher"}

{"level":"info","ts":"2025-08-14T01:29:49Z","logger":"controller-runtime.webhook","msg":"Serving webhook server","port":9443}