写在前面
K9s是一个基于终端UI的 K8S 管理工具- 博文内容为
k9s在 windows、Linux 以及docker 安装Demo - 简单的 热键使用。
- 理解不足小伙伴帮忙指正
我所渴求的，無非是將心中脫穎語出的本性付諸生活，為何竟如此艱難呢 ------赫尔曼·黑塞《德米安》
K9s 是一个基于终端的管理 Kubernetes 集群的工具，旨在简化 Kubernetes 集群管理。和 kubebox 有些类似， K9s 同样可以持续监控集群的变化，并且可以提供与集群资源交互的快捷命令。如果说管理集群受限，只有一个 终端你可以使用，那么 k9s 是一个不错的选择.
K9s 有一些特殊功能，可以显示 Kubernetes 资源之间依赖关系的 xray、显示集群高级状态的 pulse，以及扫描和报告已部署资源和配置问题的popeye 。
安装下载
window 客户端安装
PS C:\Program Files> choco install k9s
Chocolatey v1.1.0
Installing the following packages:
k9s
By installing, you accept licenses for the packages.
Progress: Downloading kubernetes-cli 1.26.0... 100%
Progress: Downloading k9s 0.26.7... 100%
kubernetes-cli v1.26.0 [Approved]
kubernetes-cli package files install completed. Performing other installation steps.
The package kubernetes-cli wants to run 'chocolateyInstall.ps1'.
Note: If you don't run this script, the installation will fail.
Note: To confirm automatically next time, use '-y' or consider:
choco feature enable -n allowGlobalConfirmation
Do you want to run the script?([Y]es/[A]ll - yes to all/[N]o/[P]rint): all
Extracting 64-bit C:\ProgramData\chocolatey\lib\kubernetes-cli\tools\kubernetes-client-windows-amd64.tar.gz to C:\ProgramData\chocolatey\lib\kubernetes-cli\tools...
C:\ProgramData\chocolatey\lib\kubernetes-cli\tools
Extracting 64-bit C:\ProgramData\chocolatey\lib\kubernetes-cli\tools\kubernetes-client-windows-amd64.tar to C:\ProgramData\chocolatey\lib\kubernetes-cli\tools...
C:\ProgramData\chocolatey\lib\kubernetes-cli\tools
ShimGen has successfully created a shim for kubectl-convert.exe
ShimGen has successfully created a shim for kubectl.exe
The install of kubernetes-cli was successful.
Software installed to 'C:\ProgramData\chocolatey\lib\kubernetes-cli\tools'
k9s v0.26.7 [Approved]
k9s package files install completed. Performing other installation steps.
Extracting 64-bit C:\ProgramData\chocolatey\lib\k9s\tools\k9s_Windows_x86_64.tar.gz to C:\ProgramData\chocolatey\lib\k9s\tools...
C:\ProgramData\chocolatey\lib\k9s\tools
Extracting 64-bit C:\ProgramData\chocolatey\lib\k9s\tools\k9s_Windows_x86_64.tar to C:\ProgramData\chocolatey\lib\k9s\tools...
C:\ProgramData\chocolatey\lib\k9s\tools
ShimGen has successfully created a shim for k9s.exe
The install of k9s was successful.
Software installed to 'C:\ProgramData\chocolatey\lib\k9s\tools'
Chocolatey installed 2/2 packages.
See the log for details (C:\ProgramData\chocolatey\logs\chocolatey.log).
PS C:\Program Files>
下载之后，需要准备好 kubeconfig 文件，放到默认加载的位置
PS C:\Users\山河已无恙\.kube> ls
目录: C:\Users\山河已无恙\.kube
Mode LastWriteTime Length Name
---- ------------- ------ ----
d----- 2023/1/14 7:48 cache
-a---- 2023/1/14 10:19 5682 config
PS C:\Users\山河已无恙\.kube> cat .\config
apiVersion: v1
clusters:
- cluster:
certificate-authority-data:
.......................
通过命令行启动
PS C:\ProgramData\chocolatey\lib\k9s\tools> .\k9s.exe
Linux 客户端安装
下载安装包
┌──[[email protected]]-[~/ansible/k9s]
└─$curl -sS https://webinstall.dev/k9s | bash
Thanks for using webi to install 'k9s@stable' on 'Linux/x86_64'.
Have a problem? Experience a bug? Please let us know:
https://github.com/webinstall/webi-installers/issues
Lovin' it? Say thanks with a Star on GitHub:
https://github.com/webinstall/webi-installers
Downloading k9s from
https://github.com/derailed/k9s/releases/download/v0.26.7/k9s_Linux_x86_64.tar.gz
failed to download from https://github.com/derailed/k9s/releases/download/v0.26.7/k9s_Linux_x86_64.tar.gz
解压直接运行
┌──[[email protected]]-[~/ansible/k9s]
└─$tar -zxvf k9s_Linux_x86_64.tar.gz
LICENSE
README.md
k9s
┌──[[email protected]]-[~/ansible/k9s]
└─$ls
k9s k9s_Linux_x86_64.tar.gz LICENSE README.md
┌──[[email protected]]-[~/ansible/k9s]
└─$./k9s
查看当前集群资源的统计信息。
docker 安装
也可以通过docker 直接运行
┌──[[email protected]]-[~/ansible/k9s]
└─$docker run --rm -it -v ~/.kube/config:/root/.kube/config docker.io/derailed/k9s
查看资源状态信息
查看资源依赖关系
热键
| Action | Command | Comment |
|---|---|---|
| Show active keyboard mnemonics and help | ? |
|
| Show all available resource alias | ctrl-a |
|
| To bail out of K9s | :q, ctrl-c |
|
| View a Kubernetes resource using singular/plural or short-name | :po⏎ |
accepts singular, plural, short-name or alias ie pod or pods |
| View a Kubernetes resource in a given namespace | :alias namespace⏎ |
|
| Filter out a resource view given a filter | /filter⏎ |
Regex2 supported ie `fred |
| Inverse regex filter | /! filter⏎ |
Keep everything that doesn't match. |
| Filter resource view by labels | /-l label-selector⏎ |
|
| Fuzzy find a resource given a filter | /-f filter⏎ |
|
| Bails out of view/command/filter mode | <esc> |
|
| Key mapping to describe, view, edit, view logs,... | d,v, e, l,... |
|
| To view and switch to another Kubernetes context | :ctx⏎ |
|
| To view and switch to another Kubernetes context | :ctx context-name⏎ |
|
| To view and switch to another Kubernetes namespace | :ns⏎ |
|
| To view all saved resources | :screendump or sd⏎ |
|
| To delete a resource (TAB and ENTER to confirm) | ctrl-d |
|
| To kill a resource (no confirmation dialog!) | ctrl-k |
|
| Launch pulses view | :pulses or pu⏎ |
|
| Launch XRay view | :xray RESOURCE [NAMESPACE]⏎ |
RESOURCE can be one of po, svc, dp, rs, sts, ds, NAMESPACE is optional |
| Launch Popeye view | :popeye or pop⏎ |
See popeye |
博文参考
https://github.com/derailed/k9s
https://k9scli.io/