k9s

發表於 2023-01-28

文章字數： 1.9k 所需閱讀時間 ≈ 4 分鐘

intro

cli 版的 k8s 介面 k9s
簡單的操作
查看不同資源
- 看 pods
  - :pods
- 檢視服務
  - :svc or :service
- 檢視部署
  - :deploy
- 檢視權限RBAC
  - :rb
- 檢視命名空間
  - :namespace
- 檢視排程
  - :cj
搜尋
- 假設你有 POD 在 k9s 清單中，你應該要怎麼搜尋呢？
- 首先你只要在 POD list 的畫面，按下 /，就會如以下畫面
namespace 切換
- k9s namespace 切換有兩種方式，一種是在進入 k9s 之前輸入
- $ k9s -n {your_namespace}
- 另一種方式就是進入後按下 : 並且輸入 namespace，按下 enter 就會出現如下圖
port-foward
- 回到上面的 POD list 然後隨意進入任一個 POD 裡面，找到你想要 port-foward 的 container，按下 shift + f，就會出現如下了喔
獲取幫助
- K9s 自帶了許多快捷鍵，可以通過輸入 ? 獲取幫助。

Action	Command	Comment
Show active keyboard mnemonics and help	`?`
Show all available aliases and resources on the cluster	`ctrl-a` or `:alias`
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 filer	`/`! filter⏎	Keep everything that doesn’t match. Not implemented for logs.
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`
Toggle Wide Columns	`ctrl-w`	Equivalent to `kubectl ... -o wide`
Toggle Error State	`ctrl-z`	View resources in error condition
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 https://popeyecli.io