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操作系统信息
五台云服务器，三台为腾讯云，一台天翼云，一台阿里云

系统全都是Centos7.6，

两台为2C/2G，一台为2C/4G(master)，一台4C8G，一台4C16G

Kubernetes版本信息
将 kubectl version 命令执行结果贴在下方

[root@k8smaster ~]# kubectl version
Client Version: version.Info{Major:"1", Minor:"17", GitVersion:"v1.17.3", GitCommit:"06ad960bfd03b39c8310aaf92d1e7c12ce618213", GitTreeState:"clean", BuildDate:"2020-02-11T18:14:22Z", GoVersion:"go1.13.6", Compiler:"gc", Platform:"linux/amd64"}
Server Version: version.Info{Major:"1", Minor:"17", GitVersion:"v1.17.3", GitCommit:"06ad960bfd03b39c8310aaf92d1e7c12ce618213", GitTreeState:"clean", BuildDate:"2020-02-11T18:07:13Z", GoVersion:"go1.13.6", Compiler:"gc", Platform:"linux/amd64"}

容器运行时

docker version

[root@k8smaster ~]# docker version
Client: Docker Engine - Community
 Version:           19.03.6
 API version:       1.40
 Go version:        go1.12.16
 Git commit:        369ce74a3c
 Built:             Thu Feb 13 01:29:29 2020
 OS/Arch:           linux/amd64
 Experimental:      false

Server: Docker Engine - Community
 Engine:
  Version:          19.03.6
  API version:      1.40 (minimum version 1.12)
  Go version:       go1.12.16
  Git commit:       369ce74a3c
  Built:            Thu Feb 13 01:28:07 2020
  OS/Arch:          linux/amd64
  Experimental:     false
 containerd:
  Version:          1.2.10
  GitCommit:        b34a5c8af56e510852c35414db4c1f4fa6172339
 runc:
  Version:          1.0.0-rc8+dev
  GitCommit:        3e425f80a8c931f88e6d94a8c831b9d5aa481657
 docker-init:
  Version:          0.18.0
  GitCommit:        fec3683

crictl version

[root@k8smaster ~]# crictl version
WARN[0000] runtime connect using default endpoints: [unix:///var/run/dockershim.sock unix:///run/containerd/containerd.sock unix:///run/crio/crio.sock unix:///var/run/cri-dockerd.sock]. As the default settings are now deprecated, you should set the endpoint instead. 
Version:  0.1.0
RuntimeName:  docker
RuntimeVersion:  19.03.6
RuntimeApiVersion:  1.40.0

KubeSphere版本信息
v2.1.1

在线安装

在已有K8s上安装

问题是什么
在已有k8s集群上执行最小化安装，安装完成后进入dashboard，发现只能查看到一个节点的cpu，内存和存储信息，但是每个节点的容器组信息都正常显示。

在这之后又安装了一些组件，包括metrics-server、devops、alerting

但是安装完成后还是同样所有的pod状态都显示正常，在工作台中还是只能看到一个节点的监控信息

[root@k8smaster ~]# kubectl get pods --all-namespaces -o wide
NAMESPACE                      NAME                                           READY   STATUS      RESTARTS   AGE   IP                NODE        NOMINATED NODE   READINESS GATES
ingress-nginx                  nginx-ingress-controller-5csxz                 1/1     Running     0          13h   115.239.212.124   k8snode3    <none>           <none>
ingress-nginx                  nginx-ingress-controller-b6zxp                 1/1     Running     0          13h   49.232.185.131    k8smaster   <none>           <none>
ingress-nginx                  nginx-ingress-controller-dhw44                 1/1     Running     0          13h   47.101.35.234     k8snode4    <none>           <none>
ingress-nginx                  nginx-ingress-controller-gnjbp                 1/1     Running     0          13h   120.53.100.56     k8snode2    <none>           <none>
ingress-nginx                  nginx-ingress-controller-sdk55                 1/1     Running     0          13h   101.42.161.179    k8snode1    <none>           <none>
kube-system                    coredns-7f9c544f75-929l4                       1/1     Running     0          14h   10.244.0.3        k8smaster   <none>           <none>
kube-system                    coredns-7f9c544f75-fr7c9                       1/1     Running     0          14h   10.244.0.2        k8smaster   <none>           <none>
kube-system                    etcd-k8smaster                                 1/1     Running     0          14h   49.232.185.131    k8smaster   <none>           <none>
kube-system                    kube-apiserver-k8smaster                       1/1     Running     0          13h   49.232.185.131    k8smaster   <none>           <none>
kube-system                    kube-controller-manager-k8smaster              1/1     Running     1          14h   49.232.185.131    k8smaster   <none>           <none>
kube-system                    kube-flannel-ds-amd64-2ffwq                    1/1     Running     0          13h   49.232.185.131    k8smaster   <none>           <none>
kube-system                    kube-flannel-ds-amd64-d6x5k                    1/1     Running     0          13h   101.42.161.179    k8snode1    <none>           <none>
kube-system                    kube-flannel-ds-amd64-m9shq                    1/1     Running     1          13h   120.53.100.56     k8snode2    <none>           <none>
kube-system                    kube-flannel-ds-amd64-p7cvw                    1/1     Running     1          13h   47.101.35.234     k8snode4    <none>           <none>
kube-system                    kube-flannel-ds-amd64-tx7wp                    1/1     Running     0          13h   115.239.212.124   k8snode3    <none>           <none>
kube-system                    kube-proxy-2ktgc                               1/1     Running     0          13h   101.42.161.179    k8snode1    <none>           <none>
kube-system                    kube-proxy-j2gnj                               1/1     Running     0          13h   120.53.100.56     k8snode2    <none>           <none>
kube-system                    kube-proxy-nttzp                               1/1     Running     0          14h   49.232.185.131    k8smaster   <none>           <none>
kube-system                    kube-proxy-snhsn                               1/1     Running     0          13h   47.101.35.234     k8snode4    <none>           <none>
kube-system                    kube-proxy-z47vb                               1/1     Running     0          13h   115.239.212.124   k8snode3    <none>           <none>
kube-system                    kube-scheduler-k8smaster                       1/1     Running     1          14h   49.232.185.131    k8smaster   <none>           <none>
kube-system                    metrics-server-66444bf745-p4nrq                1/1     Running     0          12h   10.244.4.10       k8snode4    <none>           <none>
kube-system                    tiller-deploy-547d695f46-v6nj4                 1/1     Running     0          13h   10.244.3.3        k8snode3    <none>           <none>
kubesphere-alerting-system     alerting-client-685d4d47fc-7h7hp               1/1     Running     3          12h   10.244.4.20       k8snode4    <none>           <none>
kubesphere-alerting-system     alerting-db-ctrl-job-bt272                     0/1     Completed   0          12h   10.244.4.16       k8snode4    <none>           <none>
kubesphere-alerting-system     alerting-db-init-job-dl74w                     0/1     Completed   0          12h   10.244.4.15       k8snode4    <none>           <none>
kubesphere-alerting-system     alerting-executor-94b9899f9-z8z7w              2/2     Running     0          12h   10.244.3.18       k8snode3    <none>           <none>
kubesphere-alerting-system     alerting-manager-58cd9ddcc6-d26nc              1/1     Running     0          12h   10.244.4.19       k8snode4    <none>           <none>
kubesphere-alerting-system     alerting-watcher-55b7594bbc-l4j5n              1/1     Running     0          12h   10.244.4.17       k8snode4    <none>           <none>
kubesphere-alerting-system     notification-db-ctrl-job-vh5t4                 0/1     Completed   0          12h   10.244.3.19       k8snode3    <none>           <none>
kubesphere-alerting-system     notification-db-init-job-g95s7                 0/1     Completed   0          12h   10.244.3.17       k8snode3    <none>           <none>
kubesphere-alerting-system     notification-deployment-68d5b6c8ff-8fnj5       1/1     Running     3          12h   10.244.4.18       k8snode4    <none>           <none>
kubesphere-controls-system     default-http-backend-5d464dd566-gl9w2          1/1     Running     0          13h   10.244.3.7        k8snode3    <none>           <none>
kubesphere-controls-system     kubectl-admin-6c664db975-c9qgm                 1/1     Running     0          13h   10.244.3.11       k8snode3    <none>           <none>
kubesphere-devops-system       ks-devops-db-ctrl-job-6tghw                    0/1     Completed   1          12h   10.244.4.24       k8snode4    <none>           <none>
kubesphere-devops-system       ks-devops-db-init-job-kb6px                    0/1     Completed   0          12h   10.244.3.21       k8snode3    <none>           <none>
kubesphere-devops-system       ks-jenkins-65bd6cc59c-bkgvp                    1/1     Running     0          12h   10.244.4.26       k8snode4    <none>           <none>
kubesphere-devops-system       ks-sonarqube-postgresql-666d5bd77-6bdsk        1/1     Running     0          12h   10.244.4.23       k8snode4    <none>           <none>
kubesphere-devops-system       ks-sonarqube-sonarqube-f68dd5ff5-2g87v         1/1     Running     0          12h   10.244.4.21       k8snode4    <none>           <none>
kubesphere-devops-system       s2ioperator-0                                  1/1     Running     1          12h   10.244.3.22       k8snode3    <none>           <none>
kubesphere-devops-system       uc-jenkins-update-center-b465bf4d-tqdkj        1/1     Running     0          12h   10.244.3.16       k8snode3    <none>           <none>
kubesphere-monitoring-system   kube-state-metrics-566cdbcb48-8fn5x            4/4     Running     0          13h   10.244.4.7        k8snode4    <none>           <none>
kubesphere-monitoring-system   node-exporter-246gn                            2/2     Running     0          13h   120.53.100.56     k8snode2    <none>           <none>
kubesphere-monitoring-system   node-exporter-hbxrj                            2/2     Running     0          13h   115.239.212.124   k8snode3    <none>           <none>
kubesphere-monitoring-system   node-exporter-jg6n6                            2/2     Running     0          13h   101.42.161.179    k8snode1    <none>           <none>
kubesphere-monitoring-system   node-exporter-tz8l4                            2/2     Running     0          13h   49.232.185.131    k8smaster   <none>           <none>
kubesphere-monitoring-system   node-exporter-xkshg                            2/2     Running     0          13h   47.101.35.234     k8snode4    <none>           <none>
kubesphere-monitoring-system   prometheus-k8s-0                               3/3     Running     1          13h   10.244.4.9        k8snode4    <none>           <none>
kubesphere-monitoring-system   prometheus-k8s-system-0                        3/3     Running     1          13h   10.244.3.10       k8snode3    <none>           <none>
kubesphere-monitoring-system   prometheus-operator-6b97679cfd-klx9j           1/1     Running     0          13h   10.244.3.8        k8snode3    <none>           <none>
kubesphere-system              etcd-f988bdb6f-jrpwq                           1/1     Running     0          12h   10.244.3.15       k8snode3    <none>           <none>
kubesphere-system              ks-account-6fb7544477-j8zh9                    1/1     Running     0          12h   10.244.0.20       k8smaster   <none>           <none>
kubesphere-system              ks-apigateway-6bd5c74bdc-w9ccg                 1/1     Running     0          12h   10.244.0.19       k8smaster   <none>           <none>
kubesphere-system              ks-apiserver-85d679c844-2gwhp                  1/1     Running     0          12h   10.244.0.18       k8smaster   <none>           <none>
kubesphere-system              ks-console-c5bb4694d-bfvcp                     1/1     Running     0          12h   10.244.0.21       k8smaster   <none>           <none>
kubesphere-system              ks-controller-manager-6f4694cb6b-hx84l         1/1     Running     0          12h   10.244.0.22       k8smaster   <none>           <none>
kubesphere-system              ks-installer-75b8d89dff-2bz2b                  1/1     Running     0          13h   10.244.4.6        k8snode4    <none>           <none>
kubesphere-system              minio-845b7bd867-h6pch                         1/1     Running     0          12h   10.244.3.13       k8snode3    <none>           <none>
kubesphere-system              mysql-67cd66d5d-nrrkn                          1/1     Running     0          12h   10.244.4.14       k8snode4    <none>           <none>
kubesphere-system              openldap-0                                     1/1     Running     0          13h   10.244.0.7        k8smaster   <none>           <none>
kubesphere-system              redis-6fd6c6d6f9-5vrst                         1/1     Running     0          13h   10.244.0.6        k8smaster   <none>           <none>
openebs                        openebs-admission-server-5cf6864fbf-cfdnn      1/1     Running     0          13h   10.244.3.6        k8snode3    <none>           <none>
openebs                        openebs-apiserver-bc55cd99b-5dt7r              1/1     Running     3          13h   10.244.3.5        k8snode3    <none>           <none>
openebs                        openebs-localpv-provisioner-85ff89dd44-kvt8q   1/1     Running     0          13h   10.244.4.3        k8snode4    <none>           <none>
openebs                        openebs-ndm-6ml22                              1/1     Running     0          13h   115.239.212.124   k8snode3    <none>           <none>
openebs                        openebs-ndm-9vqlp                              1/1     Running     0          13h   120.53.100.56     k8snode2    <none>           <none>
openebs                        openebs-ndm-dks6t                              1/1     Running     0          13h   47.101.35.234     k8snode4    <none>           <none>
openebs                        openebs-ndm-mzm8q                              1/1     Running     0          13h   101.42.161.179    k8snode1    <none>           <none>
openebs                        openebs-ndm-nxvdb                              1/1     Running     0          13h   49.232.185.131    k8smaster   <none>           <none>
openebs                        openebs-ndm-operator-87df44d9-dqjr5            1/1     Running     1          13h   10.244.4.5        k8snode4    <none>           <none>
openebs                        openebs-provisioner-7f86c6bb64-s9xb7           1/1     Running     0          13h   10.244.4.4        k8snode4    <none>           <none>
openebs                        openebs-snapshot-operator-54b9c886bf-pblvw     2/2     Running     0          13h   10.244.3.4        k8snode3    <none>           <none>