Class: PoolParty::Remote::RemoteInstance

Inherits:
Object
  • Object
show all
Includes:
CloudResourcer, Configurable, PoolParty::Remote
Defined in:
lib/poolparty/net/remote_instance.rb

Instance Method Summary collapse

Methods included from CloudResourcer

#full_keypair_path, #instances, #keypair_path, #keypair_paths, #new_keypair_path, #number_of_resources, #parent, #possible_keypair_basenames, #set_parent

Methods included from Configurable

included

Methods included from PoolParty::Remote

#available_bases, #using, #using_remoter?

Methods included from Remoter

#can_shutdown_an_instance?, #can_start_a_new_instance?, #contract_cloud_if_necessary, #expand_cloud_if_necessary, #get_remote_nodes, #get_working_listing_file, included, #launch_minimum_number_of_instances, #list_from_local, #list_from_remote, #list_of_node_ips, #list_of_node_names, #local_instances_list_file_locations, #maximum_number_of_instances_are_not_running?, #minimum_number_of_instances_are_running?, #request_launch_new_instances, #request_launch_one_instance_at_a_time, #request_termination_of_non_master_instance, #rsync_command, #rsync_storage_files_to, #rsync_storage_files_to_command, #run_command_on, #run_command_on_command, #should_contract_cloud?, #should_expand_cloud?, #ssh_array, #ssh_command, #ssh_into, #ssh_into_instance_number, #ssh_string, #when_no_pending_instances

Constructor Details

#initialize(opts, parent = self) ⇒ RemoteInstance

Returns a new instance of RemoteInstance.



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# File 'lib/poolparty/net/remote_instance.rb', line 11

def initialize(opts, parent=self)
  set_parent(parent) if parent
  set_vars_from_options(opts) unless opts.empty?        
  on_init
end

Instance Method Details

#load ⇒ Object

This is how we get the current load of the instance The approach of this may change entirely, but the usage of it will always be the same



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# File 'lib/poolparty/net/remote_instance.rb', line 39

def load
  current_load ||= 0.0
end

#master? ⇒ Boolean

Is this remote instance the master?

Returns:

  • (Boolean) 


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# File 'lib/poolparty/net/remote_instance.rb', line 22

def master?
  name == "master"
end

#on_init ⇒ Object

Callback



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# File 'lib/poolparty/net/remote_instance.rb', line 18

def on_init        
end

#pending? ⇒ Boolean

Is this instance pending?

Returns:

  • (Boolean) 


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# File 'lib/poolparty/net/remote_instance.rb', line 48

def pending?
  !(status =~ /pending/).nil?
end

#responding? ⇒ Boolean

Determine if the RemoteInstance is responding

Returns:

  • (Boolean) 


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# File 'lib/poolparty/net/remote_instance.rb', line 32

def responding?
  !responding.nil?
end

#running? ⇒ Boolean

Is this instance running?

Returns:

  • (Boolean) 


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# File 'lib/poolparty/net/remote_instance.rb', line 44

def running?
  !(status =~ /running/).nil?
end

#terminated? ⇒ Boolean

Has this instance been terminated?

Returns:

  • (Boolean) 


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# File 'lib/poolparty/net/remote_instance.rb', line 56

def terminated?
  !(status =~ /terminated/).nil?
end

#terminating? ⇒ Boolean

Is this instance terminating?

Returns:

  • (Boolean) 


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# File 'lib/poolparty/net/remote_instance.rb', line 52

def terminating?
  !(status =~ /shutting/).nil?
end

#to_s ⇒ Object

Printing. This is how we extract the instances into the listing on the local side into the local listing file



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# File 'lib/poolparty/net/remote_instance.rb', line 62

def to_s
  "#{name} #{ip}"
end

#valid? ⇒ Boolean

The remote instances is only valid if there is an ip and a name

Returns:

  • (Boolean) 


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# File 'lib/poolparty/net/remote_instance.rb', line 27

def valid?
  !(ip.nil? || name.nil?)
end