load commands yml file and validates it

[polatengin]

With the changes, rovergo now loads commands.yaml file if it finds it in the current working directory or in the rover home directory

It validates the custom commands and groups structures by

• checking if the names are duplicate
• checking if command names are already exists in the builtin commands list

Fixes,

• Rover should load custom commands from commands.yaml file
• Rover should validate commands.yaml upon startup

To check if the changes are working; I created commands.yaml file at the root of the project with the following content;

commands:
  format:
    executableName: "terraform"
    subCommand: "fmt"
    flags: "-no-color -recursive -check -diff"
    debug: false
    requiresInit: false
    parameters:
      - name: list
        value: true
        prefix: "-"
      - name: write
        value: false
        prefix: "-"
  format2:
    executableName: "terraform"
    subCommand: "fmt"
    flags: "-no-color -recursive -check -diff"
    debug: false
    requiresInit: false
    parameters:
      - name: list
        value: true
        prefix: "-"
      - name: write
        value: false
        prefix: "-"

groups:
  deploy:
    - format
    - foo
    - plan
    - apply
    - test
  validate:
    - plan
    - apply
    - security
    - unit
    - int

[polatengin]

Thanks for the contribution, @polatengin . This looks great. Just a few small points.

• Can we we please add custom commands to the root README and also to docs (either a new doc file and/or user-guide.md?
• Can we provide an example commands.yaml in the examples folder?
• Can we add unit tests to ensure the new command code is covered by tests?

Thanks!

Hey @hattan, created a few new commits to resolve these issues. could you please review those changes?

Bests, Engin.