Class: Collins::CLI::Power

Inherits:
Object
  • Object
show all
Includes:
Mixins
Defined in:
lib/collins/cli/power.rb

Constant Summary collapse

PROG_NAME = 
'collins power'
ALLOWABLE_POWER_ACTIONS = 
['reboot','rebootsoft','reboothard','on','off','poweron','poweroff','identify']
DEFAULT_OPTIONS = 
{
  :timeout => 120,
}

Constants included from Mixins

Mixins::COLORS, Mixins::ERROR, Mixins::SUCCESS

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Mixins

#api_call, #as_query?, #collins, #convert_to_query

Constructor Details

#initialize ⇒ Power

Returns a new instance of Power.



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# File 'lib/collins/cli/power.rb', line 14

def initialize
  @options = DEFAULT_OPTIONS.clone
  @parsed, @validated = false, false
  @parser = nil
end

Instance Attribute Details

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/collins/cli/power.rb', line 12

def options
  @options
end

Instance Method Details

#parse!(argv = ARGV) ⇒ Object 



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# File 'lib/collins/cli/power.rb', line 20

def parse!(argv = ARGV)
  @parser = OptionParser.new do |opts|
    opts.banner = "Usage: #{PROG_NAME} [options]"
    opts.separator ""
    opts.on('-s','--status',"Show IPMI power status") {|v| @options[:mode] = :status }
    opts.on('-p','--power ACTION',String,"Perform IPMI power ACTION") {|v| @options[:mode] = :power ; @options[:power] = v.downcase }

    opts.separator ""
    opts.separator "General:"
    opts.on('-t','--tags TAG[,...]',Array,"Tags to work on, comma separated") {|v| @options[:tags] = v.map(&:to_sym)}
    opts.on('-C','--config CONFIG',String,'Use specific Collins config yaml for Collins::Client') {|v| @options[:config] = v}
    opts.on('-h','--help',"Help") {puts opts ; exit 0}

    opts.separator ""
    opts.separator "Examples:"
    opts.separator "  Reset some machines:"
    opts.separator "    #{PROG_NAME} -t 001234,003456,007895 -p reboot"
  end.parse!(argv)

  # convert what we allow to be specified to what collins::power allows
  @options[:power] = 'rebootsoft' if @options[:power] == 'reboot'

  if options[:tags].nil? or options[:tags].empty?
    # read tags from stdin. first field on the line is the tag
    input = ARGF.readlines
    @options[:tags] = input.map{|l| l.split(/\s+/)[0] rescue nil}.compact.uniq
  end
  @parsed = true
  self
end

#run! ⇒ Object 



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# File 'lib/collins/cli/power.rb', line 61

def run!
  success = true
  options[:tags].each do |t|
    case options[:mode]
    when :status
      res = api_call("checking power status",:power_status,t) {|status| status}
      success = false if !res
    when :power
      success &&= api_call("performing #{options[:power]}", :power!, t, options[:power])
    end
  end
  success
end

#validate! ⇒ Object 



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# File 'lib/collins/cli/power.rb', line 51

def validate!
  raise "You need to tell me to do something!" if @options[:mode].nil?
  if options[:mode] == :power
    abort "Unknown power action #{options[:power]}, expecting one of #{ALLOWABLE_POWER_ACTIONS.join(',')}" unless ALLOWABLE_POWER_ACTIONS.include? options[:power]
    # TODO this arguably shouldnt be in validate. Maybe #parse!?
    @options[:power] = Collins::Power.normalize_action @options[:power]
  end
  self
end