Nginx
僅從其執行的節點連接到 nginx pod
我已經安裝了 kubernetes master 和一個 node v 1.20。我部署了 nginx
kubectl run nginxpod --image=nginx $ kubectl get pods -o wide NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES nginxpod 1/1 Running 0 19s 192.168.2.195 xps15-9560 <none> <none>
當我在 master 上捲曲時,在 master 上超時:
$ curl 192.168.2.195 curl: (7) Failed to connect to 192.168.2.195 port 80: Connection timed out
在它工作的節點上。我已經嘗試過我網路上的其他主機,但它們也超時了。為什麼我只能從 Pod 實際執行的節點進行連接?
- 編輯 - -
calico 節點正在執行,但尚未準備好。我不知道這是什麼意思:
$ kubectl get pods -A NAMESPACE NAME READY STATUS RESTARTS AGE default nginxpod 1/1 Running 0 64m kube-system calico-kube-controllers-5f6cfd688c-wk5jp 1/1 Running 0 69m kube-system calico-node-t47kf 0/1 Running 0 45m kube-system calico-node-vqj6m 0/1 Running 0 68m kube-system calico-node-wzwzb 0/1 Running 0 69m kube-system coredns-74ff55c5b-mb2vj 1/1 Running 0 69m kube-system coredns-74ff55c5b-pvsgz 1/1 Running 0 69m kube-system etcd-ubuntu-18-extssd 1/1 Running 0 69m kube-system kube-apiserver-ubuntu-18-extssd 1/1 Running 0 69m kube-system kube-controller-manager-ubuntu-18-extssd 1/1 Running 0 69m kube-system kube-proxy-5fq9b 1/1 Running 0 68m kube-system kube-proxy-bxhfm 1/1 Running 0 69m kube-system kube-proxy-pp9sb 1/1 Running 0 45m kube-system kube-scheduler-ubuntu-18-extssd 1/1 Running 0 69m
——–編輯 2—————–
印花布節點未找到:
$ kubectl describe pod calico-node-t47kf Error from server (NotFound): pods "calico-node-t47kf" not found $ kubectl describe pod calico-node-vqj6m Error from server (NotFound): pods "calico-node-vqj6m" not found $ kubectl describe pod calico-node-***** Error from server (NotFound): pods "calico-node-*****" not found
—-編輯 3—- 描述 pod calico-node-t47kf 的輸出:
$ kubectl -n kube-system describe pod calico-node-t47kf Name: calico-node-t47kf Namespace: kube-system Priority: 2000001000 Priority Class Name: system-node-critical Node: xps15-9560/192.168.0.71 Start Time: Sun, 05 Sep 2021 16:51:37 -0600 Labels: controller-revision-hash=b8998dcb k8s-app=calico-node pod-template-generation=1 Annotations: <none> Status: Running IP: 192.168.0.71 IPs: IP: 192.168.0.71 Controlled By: DaemonSet/calico-node Init Containers: upgrade-ipam: Container ID: docker://3d393316548badf75bb2c2ad881ffd7a4d2c37a1762d84ec973715c8a398072e Image: docker.io/calico/cni:v3.20.0 Image ID: docker-pullable://calico/cni@sha256:9906e2cca8006e1fe9fc3f358a3a06da6253afdd6fad05d594e884e8298ffe1d Port: <none> Host Port: <none> Command: /opt/cni/bin/calico-ipam -upgrade State: Terminated Reason: Completed Exit Code: 0 Started: Sun, 05 Sep 2021 16:51:38 -0600 Finished: Sun, 05 Sep 2021 16:51:38 -0600 Ready: True Restart Count: 0 Environment Variables from: kubernetes-services-endpoint ConfigMap Optional: true Environment: KUBERNETES_NODE_NAME: (v1:spec.nodeName) CALICO_NETWORKING_BACKEND: <set to the key 'calico_backend' of config map 'calico-config'> Optional: false Mounts: /host/opt/cni/bin from cni-bin-dir (rw) /var/lib/cni/networks from host-local-net-dir (rw) /var/run/secrets/kubernetes.io/serviceaccount from calico-node-token-qfrcw (ro) install-cni: Container ID: docker://9e3b23f12657fe343117ec0cf54e104a8eb69c6133fe2dd10c1aabbc9260189f Image: docker.io/calico/cni:v3.20.0 Image ID: docker-pullable://calico/cni@sha256:9906e2cca8006e1fe9fc3f358a3a06da6253afdd6fad05d594e884e8298ffe1d Port: <none> Host Port: <none> Command: /opt/cni/bin/install State: Terminated Reason: Completed Exit Code: 0 Started: Sun, 05 Sep 2021 16:51:39 -0600 Finished: Sun, 05 Sep 2021 16:51:40 -0600 Ready: True Restart Count: 0 Environment Variables from: kubernetes-services-endpoint ConfigMap Optional: true Environment: CNI_CONF_NAME: 10-calico.conflist CNI_NETWORK_CONFIG: <set to the key 'cni_network_config' of config map 'calico-config'> Optional: false KUBERNETES_NODE_NAME: (v1:spec.nodeName) CNI_MTU: <set to the key 'veth_mtu' of config map 'calico-config'> Optional: false SLEEP: false Mounts: /host/etc/cni/net.d from cni-net-dir (rw) /host/opt/cni/bin from cni-bin-dir (rw) /var/run/secrets/kubernetes.io/serviceaccount from calico-node-token-qfrcw (ro) flexvol-driver: Container ID: docker://090008276cf33c2fd64aa141405e90feff00fc70f55769372655e45bf2e2dc92 Image: docker.io/calico/pod2daemon-flexvol:v3.20.0 Image ID: docker-pullable://calico/pod2daemon-flexvol@sha256:c17e3e9871682bed00bfd33f8d6f00db1d1a126034a25bf5380355978e0c548d Port: <none> Host Port: <none> State: Terminated Reason: Completed Exit Code: 0 Started: Sun, 05 Sep 2021 16:51:40 -0600 Finished: Sun, 05 Sep 2021 16:51:40 -0600 Ready: True Restart Count: 0 Environment: <none> Mounts: /host/driver from flexvol-driver-host (rw) /var/run/secrets/kubernetes.io/serviceaccount from calico-node-token-qfrcw (ro) Containers: calico-node: Container ID: docker://2c1456bb2f346564f88b3e8deba3baef1669f0aa61aa0e654d52c915eaf462cf Image: docker.io/calico/node:v3.20.0 Image ID: docker-pullable://calico/node@sha256:7f9aa7e31fbcea7be64b153f8bcfd494de023679ec10d851a05667f0adb42650 Port: <none> Host Port: <none> State: Running Started: Sun, 05 Sep 2021 16:51:41 -0600 Ready: False Restart Count: 0 Requests: cpu: 250m Liveness: exec [/bin/calico-node -felix-live -bird-live] delay=10s timeout=10s period=10s #success=1 #failure=6 Readiness: exec [/bin/calico-node -felix-ready -bird-ready] delay=0s timeout=10s period=10s #success=1 #failure=3 Environment Variables from: kubernetes-services-endpoint ConfigMap Optional: true Environment: DATASTORE_TYPE: kubernetes WAIT_FOR_DATASTORE: true NODENAME: (v1:spec.nodeName) CALICO_NETWORKING_BACKEND: <set to the key 'calico_backend' of config map 'calico-config'> Optional: false CLUSTER_TYPE: k8s,bgp IP: autodetect CALICO_IPV4POOL_IPIP: Always CALICO_IPV4POOL_VXLAN: Never FELIX_IPINIPMTU: <set to the key 'veth_mtu' of config map 'calico-config'> Optional: false FELIX_VXLANMTU: <set to the key 'veth_mtu' of config map 'calico-config'> Optional: false FELIX_WIREGUARDMTU: <set to the key 'veth_mtu' of config map 'calico-config'> Optional: false CALICO_DISABLE_FILE_LOGGING: true FELIX_DEFAULTENDPOINTTOHOSTACTION: ACCEPT FELIX_IPV6SUPPORT: false FELIX_HEALTHENABLED: true Mounts: /host/etc/cni/net.d from cni-net-dir (rw) /lib/modules from lib-modules (ro) /run/xtables.lock from xtables-lock (rw) /sys/fs/ from sysfs (rw) /var/lib/calico from var-lib-calico (rw) /var/log/calico/cni from cni-log-dir (ro) /var/run/calico from var-run-calico (rw) /var/run/nodeagent from policysync (rw) /var/run/secrets/kubernetes.io/serviceaccount from calico-node-token-qfrcw (ro) Conditions: Type Status Initialized True Ready False ContainersReady False PodScheduled True Volumes: lib-modules: Type: HostPath (bare host directory volume) Path: /lib/modules HostPathType: var-run-calico: Type: HostPath (bare host directory volume) Path: /var/run/calico HostPathType: var-lib-calico: Type: HostPath (bare host directory volume) Path: /var/lib/calico HostPathType: xtables-lock: Type: HostPath (bare host directory volume) Path: /run/xtables.lock HostPathType: FileOrCreate sysfs: Type: HostPath (bare host directory volume) Path: /sys/fs/ HostPathType: DirectoryOrCreate cni-bin-dir: Type: HostPath (bare host directory volume) Path: /opt/cni/bin HostPathType: cni-net-dir: Type: HostPath (bare host directory volume) Path: /etc/cni/net.d HostPathType: cni-log-dir: Type: HostPath (bare host directory volume) Path: /var/log/calico/cni HostPathType: host-local-net-dir: Type: HostPath (bare host directory volume) Path: /var/lib/cni/networks HostPathType: policysync: Type: HostPath (bare host directory volume) Path: /var/run/nodeagent HostPathType: DirectoryOrCreate flexvol-driver-host: Type: HostPath (bare host directory volume) Path: /usr/libexec/kubernetes/kubelet-plugins/volume/exec/nodeagent~uds HostPathType: DirectoryOrCreate calico-node-token-qfrcw: Type: Secret (a volume populated by a Secret) SecretName: calico-node-token-qfrcw Optional: false QoS Class: Burstable Node-Selectors: kubernetes.io/os=linux Tolerations: :NoSchedule op=Exists :NoExecute op=Exists CriticalAddonsOnly op=Exists node.kubernetes.io/disk-pressure:NoSchedule op=Exists node.kubernetes.io/memory-pressure:NoSchedule op=Exists node.kubernetes.io/network-unavailable:NoSchedule op=Exists node.kubernetes.io/not-ready:NoExecute op=Exists node.kubernetes.io/pid-pressure:NoSchedule op=Exists node.kubernetes.io/unreachable:NoExecute op=Exists node.kubernetes.io/unschedulable:NoSchedule op=Exists Events: Type Reason Age From Message ---- ------ ---- ---- ------- Warning Unhealthy 93s (x41181 over 4d18h) kubelet (combined from similar events): Readiness probe failed: 2021-09-10 17:16:42.497 [INFO][1620263] confd/health.go 180: Number of node(s) with BGP peering established = 0 calico/node is not ready: BIRD is not ready: BGP not established with 192.168.55.1,192.168.0.12
——編輯 4——–
嘗試刪除並重新安裝印花布,這使事情變得更糟。
顯然 . 有什麼問題
calico.yaml
。 這是讓我的印花布節點啟動的解決方案:Run: kubectl set env daemonset/calico-node -n kube-system IP_AUTODETECTION_METHOD=can-reach=www.google.com Then the pods became ready within a few seconds. Reference: https://docs.projectcalico.org/networking/ip-autodetection#change-the-autodetection-method