Class: Oxidized::Script::Command::ListNodes

Inherits:
Base
  • Object
show all
Defined in:
lib/oxidized/script/commands/list-nodes.rb

Constant Summary collapse

Name = 
'list-nodes'
Description = 
'list nodes in oxidized source'

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.cmdline(slop, cli) ⇒ Object

this is not needed this this command, just shown how todo more complex commands, this could use slop sub-commands etc. As long as it sets cli.cmd_class when you want to run it, it gets ran after parsing commandline



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# File 'lib/oxidized/script/commands/list-nodes.rb', line 12

def self.cmdline slop, cli
  slop.on "--#{Name}", Description do
    cli.cmd_class = self
  end
end

.run(opts = {}) ⇒ Object 



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# File 'lib/oxidized/script/commands/list-nodes.rb', line 18

def self.run opts={}
  if opts[:opts][:terse] # find if 'terse' global option is set
    puts new(opts).nodes_terse
  else
    puts new(opts).nodes
  end
end

Instance Method Details

#nodes ⇒ Object 



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# File 'lib/oxidized/script/commands/list-nodes.rb', line 26

def nodes
  out = ''
  Nodes.new.each do |node|
    out += "#{node.name}:\n"
    node.instance_variables.each do |var|
      name  = var.to_s[1..-1]
      next if name == 'name'
      value = node.instance_variable_get var
      value = value.class if name == 'model'
      out += "  %10s => %s\n" % [name, value.to_s]
    end
  end
  out
end

#nodes_terse ⇒ Object 



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# File 'lib/oxidized/script/commands/list-nodes.rb', line 41

def nodes_terse
  out = ''
  i = 0
  Nodes.new.each do |node|
    out += "#{i += 1} - #{node.name}\n"
  end
  out
end