Kubernetes Basic

使用环境Windows。

根据云原生技术基础第三课的demo

前提环境

三件套:VirturalBox、kubectl、minikube。

下载、添加PATH、验证版本

  1. Download the latest release v1.18.0 from this link.

    Or if you have curl installed, use this command:

    curl -LO https://storage.googleapis.com/kubernetes-release/release/v1.18.0/bin/windows/amd64/kubectl.exe
    

    To find out the latest stable version (for example, for scripting), take a look at https://storage.googleapis.com/kubernetes-release/release/stable.txt.

  2. Add the binary in to your PATH.

  3. Test to ensure the version of kubectl is the same as downloaded:

    kubectl version --client
    

先进行系统检测systeminfo

Hyper-V Requirements:     A hypervisor has been detected. Features required for Hyper-V will not be displayed.
Hyper-V 要求:     已检测到虚拟机监控程序。将不显示 Hyper-V 所需的功能。

启动命令: minikube start --driver virtualbox

D:\>minikube start --driver=virtualbox
* Microsoft Windows 10 Education 10.0.18363 Build 18363 上的 minikube v1.12.3
* 根据现有的配置文件使用 virtualbox 驱动程序
* Starting control plane node minikube in cluster minikube
* Creating virtualbox VM (CPUs=4, Memory=6000MB, Disk=20000MB) ...
! StartHost failed, but will try again: creating host: create: precreate: This computer is running Hyper-V. VirtualBox won't boot a 64bits VM when Hyper-V is activated. Either use Hyper-V as a driver, or disable the Hyper-V hypervisor. (To skip this check, use --virtualbox-no-vtx-check)
* Creating virtualbox VM (CPUs=4, Memory=6000MB, Disk=20000MB) ...
* Failed to start virtualbox VM. "minikube start" may fix it: creating host: create: precreate: This computer is running Hyper-V. VirtualBox won't boot a 64bits VM when Hyper-V is activated. Either use Hyper-V as a driver, or disable the Hyper-V hypervisor. (To skip this check, use --virtualbox-no-vtx-check)
*
E0821 17:24:38.091674   11324 exit.go:76] &{ID:VBOX_HYPERV_64_BOOT Err:This computer is running Hyper-V. VirtualBox won't boot a 64bits VM when Hyper-V is activated. Either use Hyper-V as a driver, or disable the Hyper-V hypervisor. (To skip this check, use --virtualbox-no-vtx-check)
precreate
k8s.io/minikube/pkg/minikube/machine.(*LocalClient).Create
        /app/pkg/minikube/machine/client.go:225
k8s.io/minikube/pkg/minikube/machine.timedCreateHost.func2
        /app/pkg/minikube/machine/start.go:188
runtime.goexit
        /usr/local/go/src/runtime/asm_amd64.s:1373
create
k8s.io/minikube/pkg/minikube/machine.timedCreateHost
        /app/pkg/minikube/machine/start.go:197
k8s.io/minikube/pkg/minikube/machine.createHost
        /app/pkg/minikube/machine/start.go:163
k8s.io/minikube/pkg/minikube/machine.StartHost
        /app/pkg/minikube/machine/start.go:86
k8s.io/minikube/pkg/minikube/node.startHost
        /app/pkg/minikube/node/start.go:401
k8s.io/minikube/pkg/minikube/node.startMachine
        /app/pkg/minikube/node/start.go:345
k8s.io/minikube/pkg/minikube/node.Provision
        /app/pkg/minikube/node/start.go:234
k8s.io/minikube/cmd/minikube/cmd.provisionWithDriver
        /app/cmd/minikube/cmd/start.go:275
k8s.io/minikube/cmd/minikube/cmd.runStart
        /app/cmd/minikube/cmd/start.go:169
github.com/spf13/cobra.(*Command).execute
        /go/pkg/mod/github.com/spf13/cobra@v1.0.0/command.go:846
github.com/spf13/cobra.(*Command).ExecuteC
        /go/pkg/mod/github.com/spf13/cobra@v1.0.0/command.go:950
github.com/spf13/cobra.(*Command).Execute
        /go/pkg/mod/github.com/spf13/cobra@v1.0.0/command.go:887
k8s.io/minikube/cmd/minikube/cmd.Execute
        /app/cmd/minikube/cmd/root.go:106
main.main
        /app/cmd/minikube/main.go:71
runtime.main
        /usr/local/go/src/runtime/proc.go:203
runtime.goexit
        /usr/local/go/src/runtime/asm_amd64.s:1373
creating host
k8s.io/minikube/pkg/minikube/machine.createHost
        /app/pkg/minikube/machine/start.go:164
k8s.io/minikube/pkg/minikube/machine.StartHost
        /app/pkg/minikube/machine/start.go:86
k8s.io/minikube/pkg/minikube/node.startHost
        /app/pkg/minikube/node/start.go:401
k8s.io/minikube/pkg/minikube/node.startMachine
        /app/pkg/minikube/node/start.go:345
k8s.io/minikube/pkg/minikube/node.Provision
        /app/pkg/minikube/node/start.go:234
k8s.io/minikube/cmd/minikube/cmd.provisionWithDriver
        /app/cmd/minikube/cmd/start.go:275
k8s.io/minikube/cmd/minikube/cmd.runStart
        /app/cmd/minikube/cmd/start.go:169
github.com/spf13/cobra.(*Command).execute
        /go/pkg/mod/github.com/spf13/cobra@v1.0.0/command.go:846
github.com/spf13/cobra.(*Command).ExecuteC
        /go/pkg/mod/github.com/spf13/cobra@v1.0.0/command.go:950
github.com/spf13/cobra.(*Command).Execute
        /go/pkg/mod/github.com/spf13/cobra@v1.0.0/command.go:887
k8s.io/minikube/cmd/minikube/cmd.Execute
        /app/cmd/minikube/cmd/root.go:106
main.main
        /app/cmd/minikube/main.go:71
runtime.main
        /usr/local/go/src/runtime/proc.go:203
runtime.goexit
        /usr/local/go/src/runtime/asm_amd64.s:1373
Failed to start host
k8s.io/minikube/pkg/minikube/node.startMachine
        /app/pkg/minikube/node/start.go:347
k8s.io/minikube/pkg/minikube/node.Provision
        /app/pkg/minikube/node/start.go:234
k8s.io/minikube/cmd/minikube/cmd.provisionWithDriver
        /app/cmd/minikube/cmd/start.go:275
k8s.io/minikube/cmd/minikube/cmd.runStart
        /app/cmd/minikube/cmd/start.go:169
github.com/spf13/cobra.(*Command).execute
        /go/pkg/mod/github.com/spf13/cobra@v1.0.0/command.go:846
github.com/spf13/cobra.(*Command).ExecuteC
        /go/pkg/mod/github.com/spf13/cobra@v1.0.0/command.go:950
github.com/spf13/cobra.(*Command).Execute
        /go/pkg/mod/github.com/spf13/cobra@v1.0.0/command.go:887
k8s.io/minikube/cmd/minikube/cmd.Execute
        /app/cmd/minikube/cmd/root.go:106
main.main
        /app/cmd/minikube/main.go:71
runtime.main
        /usr/local/go/src/runtime/proc.go:203
runtime.goexit
        /usr/local/go/src/runtime/asm_amd64.s:1373 Advice:VirtualBox and Hyper-V are having a conflict. Use '--driver=hyperv' or disable Hyper-V using: 'bcdedit /set hypervisorlaunchtype off' URL: Issues:[4051 4783] ShowIssueLink:false}
* [VBOX_HYPERV_64_BOOT] error provisioning host Failed to start host: creating host: create: precreate: This computer is running Hyper-V. VirtualBox won't boot a 64bits VM when Hyper-V is activated. Either use Hyper-V as a driver, or disable the Hyper-V hypervisor. (To skip this check, use --virtualbox-no-vtx-check)
* 建议:VirtualBox and Hyper-V are having a conflict. Use '--driver=hyperv' or disable Hyper-V using: 'bcdedit /set hypervisorlaunchtype off'
* 相关问题:
  - https://github.com/kubernetes/minikube/issues/4051
  - https://github.com/kubernetes/minikube/issues/4783

报错信息还是很清楚,运行时冲突:

  • 使用管理员权限执行bcdedit /set hypervisorlaunchtype off,成功后,还是提示相同的问题。
  • 使用--virtualbox-no-vtx-check 提示这个Error: unknown flag: --virtualbox-no-vtx-check 可以See minikube start --help' for usage.

果然,现在的参数是--no-vtx-check=true。所以完整的参数应该是minikube start --driver=virtualbox --no-vtx-check=true

不幸的时,还是遇到问题了

PS D:\> minikube start --driver=virtualbox --no-vtx-check=true
* Microsoft Windows 10 Education 10.0.18363 Build 18363 上的 minikube v1.12.3
* 根据现有的配置文件使用 virtualbox 驱动程序
* Starting control plane node minikube in cluster minikube
* Creating virtualbox VM (CPUs=4, Memory=6000MB, Disk=20000MB) ...
* 正在 Docker 19.03.12 中准备 Kubernetes v1.18.3…
* Unable to load cached images: loading cached images: transferring cached image: sudo test -d /var/lib/minikube/images && sudo scp -t /var/lib/minikube/images && sudo touch -d "2020-08-21 17:31:20.5418176 +0800" /var/lib/minikube/images/etcd_3.4.3-0: wait: remote command exited without exit status or exit signal
output:
...
stdout:

stderr:
fatal error: index out of range
runtime: panic before malloc heap initialized


接着先往下学课程

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