跨云Kubernetes集群kubectl logs超时问题求助
跨云Kubernetes集群kubectl logs超时问题求助
大家好,我现在遇到一个跨云K8s集群的棘手问题:控制节点部署在DigitalOcean,工作节点放在Google Cloud,目前节点已经通过控制节点的公网IP成功连通,所有Pod也都处于Running状态,但执行kubectl logs命令时一直出现超时错误。我排查时发现,日志请求是通过本地IP发起的,没有对应的主机映射,有没有大佬能帮忙分析下原因?有没有办法让日志请求通过公网IP发起呢?
更新:补充kube-apiserver配置文件内容
apiVersion: v1 kind: Pod metadata: annotations: kubeadm.kubernetes.io/kube-apiserver.advertise-address.endpoint: 104.248.40.128:6443 creationTimestamp: null labels: component: kube-apiserver tier: control-plane name: kube-apiserver namespace: kube-system spec: containers: - command: - kube-apiserver - --advertise-address=104.248.40.128 - --allow-privileged=true - --authorization-mode=Node,RBAC - --client-ca-file=/etc/kubernetes/pki/ca.crt - --enable-admission-plugins=NodeRestriction - --enable-bootstrap-token-auth=true - --etcd-cafile=/etc/kubernetes/pki/etcd/ca.crt - --etcd-certfile=/etc/kubernetes/pki/apiserver-etcd-client.crt - --etcd-keyfile=/etc/kubernetes/pki/apiserver-etcd-client.key - --etcd-servers=https://127.0.0.1:2379 - --kubelet-client-certificate=/etc/kubernetes/pki/apiserver-kubelet-client.crt - --kubelet-client-key=/etc/kubernetes/pki/apiserver-kubelet-client.key - --kubelet-preferred-address-types=InternalIP,ExternalIP,Hostname - --proxy-client-cert-file=/etc/kubernetes/pki/front-proxy-client.crt - --proxy-client-key-file=/etc/kubernetes/pki/front-proxy-client.key - --requestheader-allowed-names=front-proxy-client - --requestheader-client-ca-file=/etc/kubernetes/pki/front-proxy-ca.crt - --requestheader-extra-headers-prefix=X-Remote-Extra- - --requestheader-group-headers=X-Remote-Group - --requestheader-username-headers=X-Remote-User - --secure-port=6443 - --service-account-issuer=https://kubernetes.default.svc.cluster.local - --service-account-key-file=/etc/kubernetes/pki/sa.pub - --service-account-signing-key-file=/etc/kubernetes/pki/sa.key - --service-cluster-ip-range=10.96.0.0/12 - --tls-cert-file=/etc/kubernetes/pki/apiserver.crt - --tls-private-key-file=/etc/kubernetes/pki/apiserver.key image: registry.k8s.io/kube-apiserver:v1.26.3 imagePullPolicy: IfNotPresent livenessProbe: failureThreshold: 8 httpGet: host: 104.248.40.128 path: /livez port: 6443 scheme: HTTPS initialDelaySeconds: 10 periodSeconds: 10 timeoutSeconds: 15 name: kube-apiserver readinessProbe: failureThreshold: 3 httpGet: host: 104.248.40.128 path: /readyz port: 6443 scheme: HTTPS periodSeconds: 1 timeoutSeconds: 15 resources: requests: cpu: 250m startupProbe: failureThreshold: 24 httpGet: host: 104.248.40.128 path: /livez port: 6443 scheme: HTTPS initialDelaySeconds: 10 periodSeconds: 10 timeoutSeconds: 15 volumeMounts: - mountPath: /etc/ssl/certs name: ca-certs readOnly: true - mountPath: /etc/pki name: etc-pki readOnly: true - mountPath: /etc/kubernetes/pki name: k8s-certs readOnly: true hostNetwork: true priorityClassName: system-node-critical securityContext: seccompProfile: type: RuntimeDefault volumes: - hostPath: path: /etc/ssl/certs type: DirectoryOrCreate name: ca-certs - hostPath: path: /etc/pki type: DirectoryOrCreate name: etc-pki - hostPath: path: /etc/kubernetes/pki type: DirectoryOrCreate name: k8s-certs status: {}
kubectl get endpoints输出结果
NAME ENDPOINTS AGE kubernetes 104.248.40.128:6443 34h webserver-simple-service 10.244.1.7:8000,10.244.1.8:8000 33h
备注:内容来源于stack exchange,提问作者Thom
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