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kube-state-metrics

K8s Troubleshooting

Errors kube-state-metricsE0624 16:46:27.590502 1 metrics_handler.go:227] "Failed to write ...

Updated 2 months ago by kugarocks

Kubernetes CIDR

K8s Troubleshooting

Background Sealos 安装的 k8s 的 CIDR 是 100.64.xxx.xxx,会导致 keycloak 异常(什么异常?) SonyFlake 的 isPrivateI...

Updated 2 months ago by kugarocks

Image Pull Stuck

K8s Troubleshooting

Kube Event Log Stuck with the following log. Normal Pulling 30m kubelet Pulling image "regi...

Updated 2 months ago by kugarocks

ImageGCFailed

K8s Troubleshooting

Errors Source LogEvents: Type Reason Age From ...

Updated 2 months ago by kugarocks

Horizontal Pod Autoscaler Version Not Found

K8s Troubleshooting

Errors helm upgrade foo foo.tgz -f values.yaml Error: UPGRADE FAILED: resource mapping not foun...

Updated 2 months ago by kugarocks

Ephemeral Storage

K8s Troubleshooting

Errors Warning FailedScheduling 21m (x3 over 22m) default-scheduler 0/18 nodes are avai...

Updated 2 months ago by kugarocks

Rancher Storage Class

K8s Storage

Kafka Example Get PVC kubectl get pvc | grep kafka NAME STATUS VOLUME...

Updated 2 months ago by kugarocks

PVC/PV/SC/NFS

K8s Storage

Updated 2 months ago by kugarocks

Real IP

K8s Services Networking

Background Question在 k8s 中,有一个 nginx 的 nodeport 服务,用于处理 IP 白名单,放行的时候,就把请求转发出去对应的后端服务,配置如下 exter...

Updated 2 months ago by kugarocks

Pod Port

K8s Services Networking

Conclusion 只要程序在 Pod 中监听了某个端口(比如 0.0.0.0:8080),那么我可以直接用 Pod 的 IP + 端口访问到它,而不需要 Service。 这句话 在以...

Updated 2 months ago by kugarocks