Kubernetes实验中通过preferredDuringSchedulingIgnoredDuringExecution实现Pod优先调度,利用Node标签和污点机制将Master Node上的Pod驱逐至Worker Node,确保业务Pod不运行在控制节点。
AI代码解释 name:kube-apiservernamespace:kube-systemspec:containers:-command:-kube-apiserver---advertise-address=10.0.4.3---allow-privileged=true---authorization-mode=Node,RBAC---client-ca-file=/etc/kubernetes/pki/ca.crt---enable-admission-plugins=NodeRestriction---enable-bootstrap-token-auth=true-...
当没有较多剩余IP地址无法为每个Node分配/24网段,或者是有状态Pod漂移时想保留IP地址,这个时候就需要使用集中式地址管理,比如dhcp方案(可以借助neutron中的nn/vn来实现dhcp),社区中也有一些基于redis、consul、etcd等共享存储的集中式IPAM方案。(Pod被分配到一个Node上运行之后,就不会离开这个Node,直到被删除。当某个...
pod-node/ ## tolerations: [] # - key: "key" # operator: "Equal|Exists" # value: "value" # effect: "NoSchedule|PreferNoSchedule|NoExecute(1.6 only)" affinity: {} # -- Security Context policies for controller pods # See https://kubernetes.io/docs/tasks/administer-cluster/sysctl-...
在Terway网络下,因Pod没有IP资源而手动增加虚拟交换机,在增加虚拟交换机后,发现集群不能正常访问公网。 问题原因 Pod IP所属的虚拟交换机不具备公网访问的能力。 解决方法 您可以通过NAT网关的SNAT功能,为Pod IP所属的虚拟交换机配置公网SNAT规则。更多信息,请参见为集群开启访问公网的能力。
6 linkerd2 Monitoring Mixin for Grafana Grafana dashboards for linkerd2 monitoring and can work in standalone (default) or in multi cluster setup 7 kuberhaus Kubernetes resource dashboard with node/pod layout and resource requests 8 Kubernetes Job/CronJob Notifier This tool sends an alert to...
Node ShellBy enabling the nodeShell feature gate on a given cluster, K9s allows you to shell into your cluster nodes. Once enabled, you will have a new s for shell menu option while in node view. K9s will launch a pod on the selected node using a special k9s_shell pod. Furthermore...
47.90:6443 name: kubernetes contexts: - context: cluster: kubernetes user: aseuser1 name: aseuser1@kubernetes current-context: aseuser1@kubernetes kind: Config preferences: {} users: - name: aseuser1 user: client-certificate-data: LS0tLS1CRUdJTiBDRVJUSUZJQ0FURS0tLS0tCk1JSUMwVENDQWJtZ0F3...
即会先创建一个my-app ingress--> 然后转发到my-app internal service--> 再转发到my-app pod,可以看到有了Ingress组件后,Service组件不再需要external了(即上述的type可以删掉,不填默认是ClusterIP,即internal service了,不对外暴露,nodePort也可以删除)。
NODE_UNREADY=`kubectl get nodes 2>&1|awk '{print $2}'|grep 'NotReady'` while [ "${POD_UNREADY}" != "" -o "${NODE_UNREADY}" != "" ]; do sleep 1 POD_UNREADY=`kubectl get pods -n kube-system 2>&1|awk '{print $3}'|grep -vE 'Running|STATUS'` ...