Class: Bcome::Registry::Command::External

Inherits:
Base
  • Object
show all
Defined in:
lib/objects/registry/command/external.rb

Instance Method Summary collapse

Methods inherited from Base

#defaults, #initialize, is_valid_type?, #method_missing, new_from_raw_command, #process_arguments, valid_types, #validate, #validation_error

Constructor Details

This class inherits a constructor from Bcome::Registry::Command::Base

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Bcome::Registry::Command::Base

Instance Method Details

#construct_full_command(node, arguments) ⇒ Object 



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# File 'lib/objects/registry/command/external.rb', line 15

def construct_full_command(node, arguments)
  substituted_command = construct_substituted_command(arguments)
  namespaced_command = namespace_command(node, substituted_command)
  namespaced_command
end

#construct_substituted_command(arguments) ⇒ Object 



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# File 'lib/objects/registry/command/external.rb', line 21

def construct_substituted_command(arguments)
  substituted_command = local_command.dup
  merged_arguments = process_arguments(arguments)

  local_command_substitutions.each do |substitution|
    substitute_with = merged_arguments[substitution.to_sym]
    if substitute_with.nil?
      error_message_suffix = "- missing '#{substitution}' from command '#{local_command}'"
      raise Bcome::Exception::MissingArgumentForRegistryCommand, error_message_suffix
    end
  
    substitute_with = [TrueClass, FalseClass].include?(substitute_with.class) ? (substitute_with ? "true" : "false") : substitute_with
    substituted_command.gsub!("%#{substitution}%", substitute_with)
  end
  substituted_command
end

#do_pretty_print ⇒ Object 



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# File 'lib/objects/registry/command/external.rb', line 50

def do_pretty_print
  menu_str = super + "\n\s\s\s\slocal command:\s".resource_key + local_command.resource_value
  menu_str += "\n\s\s\s\sdefaults:\s".resource_key + defaults.inspect.resource_value
  menu_str + "\n\n"
end

#execute(node, arguments) ⇒ Object

In which the bcome context is passed to an external call



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# File 'lib/objects/registry/command/external.rb', line 5

def execute(node, arguments)
  full_command = construct_full_command(node, arguments)
  begin
    puts "\n(external) > #{full_command}".bc_blue + "\n\n"
    system(full_command)
  rescue Interrupt
    puts "\nExiting gracefully from interrupt\n".warning
  end
end

#expected_keys ⇒ Object 



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# File 'lib/objects/registry/command/external.rb', line 46

def expected_keys
  super + [:local_command]
end

#local_command_substitutions ⇒ Object 



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# File 'lib/objects/registry/command/external.rb', line 42

def local_command_substitutions
  local_command.scan(/%([^%]*)%/).flatten.uniq
end

#namespace_command(node, command) ⇒ Object 



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# File 'lib/objects/registry/command/external.rb', line 38

def namespace_command(node, command)
  "#{command} bcome_context=\"#{node.keyed_namespace}\""
end