node_cmd.md

Cmd Node 命令行节点

用于执行命令行的普通节点，可以跨平台使用

General-purpose nodes for executing command-line commands can be cross-platform used.

基本使用方式 | Basic Usage

	p := ograph.NewPipeline()

	e := ograph.NewElement("cmd").UseFactory(ogimpl.CMD).
		Params("Cmd", []string{"go", "version"})

    // register and run the node which exec go version
	p.Register(e).Run(context.TODO(), nil)

参数 | Parameter

参数名(Name)	必需(Required)	含义(Meaning)	类型(Type)	示例(Example)
Cmd	✔	cmd to exec	[]string	["go","version"]
Env	✗	exec env	[]string	["key=value"]
Dir	✗	working directory	string	"/root"

Cmd 参数格式：["命令名/路径", "参数1", "参数2", ...]

Cmd parameter format: ["command name/path", "parameter1", "parameter2", ...]

小贴示 | Tips

使用 OGRAPH_ALLOW_CMD_LIST 环境变量限制可执行命令

Use the OGRAPH_ALLOW_CMD_LIST environment variable to limit executable commands

Linux

export OGRAPH_ALLOW_CMD_LIST=ls,cat