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Reverting changes to troubleshooting.md as handled in related PR.
Signed-off-by: Sunil Singh <sunil.singh@suse.com>
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@@ -9,7 +9,7 @@ title: Rancher Server Kubernetes 集群的问题排查
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故障排除主要针对以下 3 个命名空间中的对象:
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- `cattle-system`:`rancher` deployment 和 Pod。
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- `traefik`:Ingress Controller Pod 和 services。
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- `ingress-nginx`:Ingress Controller Pod 和 services。
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- `cert-manager`:`cert-manager` Pod。
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## "default backend - 404"
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@@ -117,12 +117,14 @@ Events:
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kubectl -n cattle-system describe ingress
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```
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If its ready and the SSL is still not working you may have a malformed cert or secret.
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如果 Ingress 对象已就绪,但是 SSL 仍然无法正常工作,你的证书或密文的格式可能不正确。
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Check the `traefik` logs.
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这种情况下,请检查 nginx-ingress-controller 的日志。nginx-ingress-controller 的 Pod 中有多个容器,因此你需要指定容器的名称:
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```
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kubectl -n traefik logs
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kubectl -n ingress-nginx logs -f nginx-ingress-controller-rfjrq nginx-ingress-controller
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...
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W0705 23:04:58.240571 7 backend_ssl.go:49] error obtaining PEM from secret cattle-system/tls-rancher-ingress: error retrieving secret cattle-system/tls-rancher-ingress: secret cattle-system/tls-rancher-ingress was not found
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```
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## 没有匹配的 "Issuer"
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@@ -142,7 +144,7 @@ Error: validation failed: unable to recognize "": no matches for kind "Issuer" i
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解决网络问题后,`canal` Pod 会超时并重启以建立连接。
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## Traefik Pod 显示 RESTARTS
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## nginx-ingress-controller Pod 显示 RESTARTS
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此问题的最常见原因是 `canal` pod 未能建立覆盖网络。参见 [canal Pod 显示 READY `2/3`](#canal-pod-显示-ready-23) 进行排查。
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