Class: KubeWrapper::Runner

Inherits:
Object
  • Object
show all
Includes:
Colors
Defined in:
lib/kube_wrapper/runner.rb

Overview

Runner creates a REPL to run kubectl commands

Constant Summary collapse

COMMANDS = 
{
  help: {
    cmds: ['?', '-h', '--help'],
    blurb: 'Prints this help blurb'
  },
  set_namespace: {
    cmds: ['set-n', '-n'],
    blurb: "      Changes namespace prefix for further commands to $1. \\\n      Pass nothing to print all available namespaces\n    DESC\n  },\n  clear: {\n    cmds: %w[cl clear],\n    blurb: 'Clears the screen'\n  },\n  set_context: {\n    cmds: ['set-c', '-c'],\n    blurb: <<~DESC\n      Changes kubernetes context. \\\n      Pass nothing to print all available contexts\n    DESC\n  }\n}.freeze\n"

Constants included from Colors

Colors::COLORS

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Colors

#print_cyan, #print_red, #print_yellow

Constructor Details

#initialize(io_in = STDIN, io_out = STDOUT) ⇒ Runner

Returns a new instance of Runner.



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# File 'lib/kube_wrapper/runner.rb', line 38

def initialize(io_in = STDIN, io_out = STDOUT)
  @io_in = io_in
  @io_out = io_out
  @namespace = 'default'
  @context = `kubectl config current-context`.chomp
  @callbacks = {}
end

Instance Attribute Details

#context ⇒ Object (readonly)

Returns the value of attribute context.



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# File 'lib/kube_wrapper/runner.rb', line 36

def context
  @context
end

#namespace ⇒ Object (readonly)

Returns the value of attribute namespace.



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# File 'lib/kube_wrapper/runner.rb', line 36

def namespace
  @namespace
end

Instance Method Details

#on(key, &block) ⇒ Object 



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# File 'lib/kube_wrapper/runner.rb', line 46

def on(key, &block)
  @callbacks[key] = block
end

#start! ⇒ Object 



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# File 'lib/kube_wrapper/runner.rb', line 50

def start!
  @callbacks[:start]&.call
  print_help
  loop { run }
end