go-cobra-cli-playground

how to create cli apps (golang: cobra + viper) ?

how to create something like ... ?

e.g.: $ kubectl describe deployment <DEPLOYMENT_NAME> -o yaml

install golang (osx)

• docs/InstallGo.md

build cli-apps in go (cobra + viper)

• cobra: https://github.com/spf13/cobra

  "Cobra is both a library for creating powerful modern CLI applications as well as a program to generate applications and command files."

• cobra app generator: https://github.com/spf13/cobra/blob/master/cobra/README.md

  • Note: does not support go modules out of the box yet!

• viper: https://github.com/spf13/viper

  "The viper library is famous for configuration solution for go application. It reads from JSON, TOML, YAML, HCL, envfile and Java properties config files."

see: https://towardsdatascience.com/how-to-create-a-cli-in-golang-with-cobra-d729641c7177

learn cobra + viper

• docs/LearnCobra.md

example

# create a new app "example-001"
$ make cobra.app.create COBRA_APP=example-001

# add command "hello" to app "example-001"
$ make cobra.command.create COBRA_APP=example-001 COBRA_COMMAND="hello"