Class: Rudy::CLI::AWS::EC2::Instances

Inherits:
CommandBase
  • Object
show all
Defined in:
lib/rudy/cli/aws/ec2/instances.rb

Instance Attribute Summary

Attributes inherited from CommandBase

#config

Instance Method Summary collapse

Methods included from Huxtable

change_environment, change_position, change_region, change_role, change_zone, #check_keys, #config_dirname, create_domain, #current_group_name, #current_machine_address, #current_machine_count, #current_machine_group, #current_machine_hostname, #current_machine_image, #current_machine_name, #current_machine_size, #current_user, #current_user_keypairpath, debug?, #debug?, domain, domain_exists?, #group_metadata, #has_keypair?, #has_keys?, #has_pem_keys?, #has_root_keypair?, keypair_path_to_name, #known_machine_group?, #root_keypairname, #root_keypairpath, #switch_user, update_config, update_global, update_logger, #user_keypairname, #user_keypairpath

Instance Method Details

#consoles ⇒ Object 



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# File 'lib/rudy/cli/aws/ec2/instances.rb', line 123

def consoles
  opts = {}
  opts[:group] = @option.group if @option.group
  opts[:id] = @argv.instid if @argv.instid
  opts[:id] &&= [opts[:id]].flatten
  
  lt = @rinst.list_group(opts[:group], :any, opts[:id]) do |inst|
    puts instance_separator(inst.dns_public || inst.state, inst.awsid)
    console = @rinst.console(inst.awsid)
    output = console ? Base64.decode64(console) : "Unavailable"
    
    # The linux console can include ANSI escape codes for color, 
    # clear screen etc... We strip them out to get rid of the 
    # clear specifically. Otherwise the display is messed!
    output &&= output.noansi 
    
    puts output 
    
    if output.match(/<Password>(.+)<\/Password>/m)  # /m, match multiple lines
      puts
      if @@global.pkey
        encrtypted_text = ($1 || '').strip
        k = Rye::Key.from_file(@@global.pkey)
        pword = k.decrypt(encrtypted_text)
        answer = "%s: %s" % ['password', pword] 
        Annoy.timed_display(answer, STDERR, 10)
        puts
      else
        puts "Please supply a private key path to decode the administrator password"
        puts "rudy-ec2 -k path/2/privatekey console [-g group] [instance ID]"
      end
    end
    
  end
  
end

#consoles_valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rudy/cli/aws/ec2/instances.rb', line 114

def consoles_valid?
  @rinst = Rudy::AWS::EC2::Instances.new(@@global.accesskey, @@global.secretkey, @@global.region)
  if @@global.pkey
    raise "Cannot find file #{@@global.pkey}" unless File.exists?(@@global.pkey)
    raise "Insecure permissions for #{@@global.pkey}" unless (File.stat(@@global.pkey).mode & 600) == 0
  end
  raise "No instances" unless @rinst.any?
  true
end

#instances_create ⇒ Object 



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# File 'lib/rudy/cli/aws/ec2/instances.rb', line 26

def instances_create
  
  opts = {                 # Defaults
    :group => 'default',
    :size => 'm1.small',
    :zone => @@global.zone
  }
  
  radd = Rudy::AWS::EC2::Addresses.new(@@global.accesskey, @@global.secretkey, @@global.region)
  rinst = Rudy::AWS::EC2::Instances.new(@@global.accesskey, @@global.secretkey, @@global.region)
  
  if @option.address
    raise "Cannot specify both -a and -n" if @option.newaddress
    raise "#{@option.address} is not allocated to you" unless radd.exists?(@option.address)
    raise "#{@option.address} is already associated!" if radd.associated?(@option.address)
  end
  
  # These can be sent directly to EC2 class
  [:group, :ami, :size, :keypair, :private].each do |n|
    opts[n] = @option.send(n) if @option.send(n)
  end
  
  puts "Creating #{opts[:size]} instance in #{@@global.zone}"
  
  unless opts[:keypair]
    puts "You did not specify a keypair. Unless you've prepared a user account".bright
    puts "on this image (#{opts[:ami]}) you will not be able to log in to it.".bright
    exit unless Annoy.proceed?(:low)
  end
  
  instances = rinst.list_group(opts[:group], :running)
  
  if instances && instances.size > 0
    instance_count = (instances.size == 1) ? 'is 1 instance' : "are #{instances.size} instances"
    puts "There #{instance_count} running in the #{opts[:group]} group."
    exit unless Annoy.proceed?(:low)
  end
  
  if @option.newaddress
    print "Creating address... "
    address = radd.create
    puts "#{address.ipaddress}"
    @option.address = address.ipaddress
  end
     
  execute_action do
    first_instance = true
    rinst.create(opts) do |inst| # Rudy::AWS::EC2::Instance objects
    
      # Assign IP address to only the first instance
      if first_instance && @option.address
        puts "Associating #{@option.address} to #{inst.awsid}"
        radd.associate(@option.address, inst.awsid)
        first_instance = false
      end
    
      puts @@global.verbose > 0 ? inst.inspect : inst.dump(@@global.format)
    end
  end
end

#instances_create_valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rudy/cli/aws/ec2/instances.rb', line 14

def instances_create_valid?
  
  raise "Cannot supply an instance ID" if @option.instid
  
  if @option.group
    rgroup = Rudy::AWS::EC2::Groups.new(@@global.accesskey, @@global.secretkey, @@global.region)
    raise "Group #{@option.group} does not exist" unless rgroup.exists?(@option.group)
  end
  
  true
end

#instances_destroy ⇒ Object 



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# File 'lib/rudy/cli/aws/ec2/instances.rb', line 106

def instances_destroy
  instances_action :destroy
end

#instances_restart ⇒ Object 



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# File 'lib/rudy/cli/aws/ec2/instances.rb', line 110

def instances_restart
  instances_action :restart
end

#instances_restart_valid? ⇒ Boolean Also known as: instances_destroy_valid?

Returns:

  • (Boolean)

Raises:



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# File 'lib/rudy/cli/aws/ec2/instances.rb', line 87

def instances_restart_valid?
  raise InstanceAndGroupError.new(nil, @alias) if @option.group && @argv.instid
  raise NoInstanceError.new(nil, @alias) if !@option.group && !@argv.instid
  
  if @option.group
    rgroup = Rudy::AWS::EC2::Groups.new(@@global.accesskey, @@global.secretkey, @@global.region)
    raise "Group #{@option.group} does not exist" unless rgroup.exists?(@option.group)
  end
  
  if @option.private
    raise Drydock::OptsError.new(nil, @alias, "Cannot allocate public IP for private instance") if @option.address || @option.newadress
  end
  
  @rinst = Rudy::AWS::EC2::Instances.new(@@global.accesskey, @@global.secretkey, @@global.region)
  raise "No instances" unless @rinst.any?
  true
end

#status ⇒ Object Also known as: instances 



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# File 'lib/rudy/cli/aws/ec2/instances.rb', line 160

def status
  opts = {}
  
  opts[:group] = @option.group if @option.group
  opts[:state] = @option.state if @option.state

  # A nil value forces the @ec2.instances.list to return all instances
  if @option.all
    opts[:state] = :any
    opts[:group] = :any
  end

  opts[:id] = @argv.instid if @argv.instid
  opts[:id] &&= [opts[:id]].flatten

  rudy = Rudy::AWS::EC2::Instances.new(@@global.accesskey, @@global.secretkey, @@global.region)
  lt = rudy.list_group(opts[:group], opts[:state], opts[:id]) do |inst|
    puts @@global.verbose > 0 ? inst.inspect : inst.dump(@@global.format)
  end
  puts "No instances running" if !lt || lt.empty?
end