k8s dashboard_在MAC上安装K8S (kubernets) for Docker Desktop

作者：pgrmghi | 2024-01-30 19:28:37

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macos k8s app

编排 K8S

容器环境： Docker Desktop for Mac

Hypervisor : 原生的HyperKit

请注意：这里我们不使用Minikube,因此也不需要安装virtualbox作为hypervisor.

安装

下载Docker for Mac App
安装完毕后勾选Enable Kubernetes 及使用k8s作为默认的编排器

这个步骤需要一些时间。如果是在国内安装，会遇到些问题。在安装过程中建议打开CONSOLE监控安装过程。我自己的经历是安装kubernets大概需要半小时以上。
在这个过程中，你会看到hyperkit这个进程在下载东西。在console 中你会看到各种消息，比如system pod dns is not running 等等，但没管它，继续等待。最后你会见到

如果一切顺利，半小时或更久的时间后k8s下载并安装完毕，检查k8s的版本。

安装完毕后，你应该看到kube-system这个namespace里应该没有不在ready状态的pod.

接下来，我们需要安装第一个应用，k8s的管理界面，否则我们只有命令行可以用。

k8s的管理界面是一个 dashboard的应用，我们需要部署这个。

kubernetes/dashboardgithub.com

需要等一会，部署完毕后，你会看到kubernets-dashbaord的available = 1 及ready 1/1.

然后我们通过k8s的proxy来访问dashbaord

你可能会遇到需要token才能访问这个 dashboard,让我们来拿的一个token.

kubectl -n kube-system describe secrets replication-controller-token-kzlnm

然后打开浏览器来访问dashboard

http://localhost:8001/api/v1/namespaces/kube-system/services/https:kubernetes-dashboard:/proxy/#!/login

贴入token

到这里我们安装完毕，我们可以看到在kube-system这个namspace里面我们部署了名为kubernetes-dashboard的应用，该应该通过一个名为kubernetes-dashboard-669f9bbd46-l4cwg的POD安装了容器来提供dashboard的服务。


 andywang@andywang-mbp  ~  kubectl describe pods kubernetes-dashboard-669f9bbd46-l4cwg --namespace=kube-system
Name:           kubernetes-dashboard-669f9bbd46-l4cwg
Namespace:      kube-system
Node:           docker-for-desktop/192.168.65.3
Start Time:     Mon, 13 May 2019 12:59:13 +0800
Labels:         k8s-app=kubernetes-dashboard
                pod-template-hash=2259566802
Annotations:    <none>
Status:         Running
IP:             10.1.0.4
Controlled By:  ReplicaSet/kubernetes-dashboard-669f9bbd46
Containers:
  kubernetes-dashboard:
    Container ID:  docker://3876cf10a912fa872c39206a22c349d089980515629cad45ee43a9e1ba77ee24
    Image:         k8s.gcr.io/kubernetes-dashboard-amd64:v1.10.1
    Image ID:      docker-pullable://k8s.gcr.io/kubernetes-dashboard-amd64@sha256:0ae6b69432e78069c5ce2bcde0fe409c5c4d6f0f4d9cd50a17974fea38898747
    Port:          8443/TCP
    Host Port:     0/TCP
    Args:
      --auto-generate-certificates
    State:          Running
      Started:      Mon, 13 May 2019 13:01:51 +0800
    Ready:          True
    Restart Count:  0
    Liveness:       http-get https://:8443/ delay=30s timeout=30s period=10s #success=1 #failure=3
    Environment:    <none>
    Mounts:
      /certs from kubernetes-dashboard-certs (rw)
      /tmp from tmp-volume (rw)
      /var/run/secrets/kubernetes.io/serviceaccount from kubernetes-dashboard-token-wxnrl (ro)
Conditions:
  Type           Status
  Initialized    True
  Ready          True
  PodScheduled   True
Volumes:
  kubernetes-dashboard-certs:
    Type:        Secret (a volume populated by a Secret)
    SecretName:  kubernetes-dashboard-certs
    Optional:    false
  tmp-volume:
    Type:       EmptyDir (a temporary directory that shares a pod's lifetime)
    Medium:
    SizeLimit:  <unset>
  kubernetes-dashboard-token-wxnrl:
    Type:        Secret (a volume populated by a Secret)
    SecretName:  kubernetes-dashboard-token-wxnrl
    Optional:    false
QoS Class:       BestEffort
Node-Selectors:  <none>
Tolerations:     node-role.kubernetes.io/master:NoSchedule
                 node.kubernetes.io/not-ready:NoExecute for 300s
                 node.kubernetes.io/unreachable:NoExecute for 300s
Events:
  Type    Reason                 Age   From                         Message
  ----    ------                 ----  ----                         -------
  Normal  Scheduled              22m   default-scheduler            Successfully assigned kubernetes-dashboard-669f9bbd46-l4cwg to docker-for-desktop
  Normal  SuccessfulMountVolume  22m   kubelet, docker-for-desktop  MountVolume.SetUp succeeded for volume "tmp-volume"
  Normal  SuccessfulMountVolume  22m   kubelet, docker-for-desktop  MountVolume.SetUp succeeded for volume "kubernetes-dashboard-certs"
  Normal  SuccessfulMountVolume  22m   kubelet, docker-for-desktop  MountVolume.SetUp succeeded for volume "kubernetes-dashboard-token-wxnrl"
  Normal  Pulling                22m   kubelet, docker-for-desktop  pulling image "k8s.gcr.io/kubernetes-dashboard-amd64:v1.10.1"
  Normal  Pulled                 19m   kubelet, docker-for-desktop  Successfully pulled image "k8s.gcr.io/kubernetes-dashboard-amd64:v1.10.1"
  Normal  Created                19m   kubelet, docker-for-desktop  Created container
  Normal  Started                19m   kubelet, docker-for-desktop  Started container

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