Class: PoolParty::Remote::Libvirt

Inherits:
RemoterBase show all
Includes:
Dslify
Defined in:
lib/poolparty/net/remoter_bases/libvirt/libvirt.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from RemoterBase

#after_launch_instance, available_bases, #cloud, inherited, #key_name, #keypair, #launch_instance!, launch_instance!, #remoter_base_options, symbol, #terminate_youngest_instance!, #to_hash, #to_s

Methods included from Pinger

included

Methods included from PoolParty::Remote

#are_any_nodes_exceeding_minimum_runtime?, #are_too_few_instances_running?, #are_too_many_instances_running?, available, #commands, #execute!, #list_of_instances, #list_of_nodes_exceeding_minimum_runtime, #netssh, #nodes, #remote_rsync_command, #remote_ssh_array, #remote_ssh_string, #rsync, #rsync_command, #rsync_storage_files_to, #rsync_storage_files_to_command, #rsync_to, #rsync_to_command, #run_command_on, #run_command_on_command, #run_command_on_instance_number, #run_local, #run_remote, #scp_array, #scp_to_command, #simplest_run_remote, #ssh_array, #ssh_command, #ssh_into, #ssh_into_instance_number, #ssh_options, #ssh_string, #target_host

Constructor Details

#initialize(opts = {}, &block) ⇒ Libvirt

Returns a new instance of Libvirt.



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# File 'lib/poolparty/net/remoter_bases/libvirt/libvirt.rb', line 13

def initialize(opts={}, &block)
  set_vars_from_options opts
  super
end

Class Method Details

.describe_instance(o = {}) ⇒ Object 



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# File 'lib/poolparty/net/remoter_bases/libvirt/libvirt.rb', line 33

def self.describe_instance(o={})
  new(o).describe_instance
end

.describe_instances(o = {}) ⇒ Object

Returns an array of instance name => state For example:

[{"i-3687065A" =>"shut off"},
  {"jaunty19"  =>"shut off"},
  {"jauntykvm" =>"running"}]



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# File 'lib/poolparty/net/remoter_bases/libvirt/libvirt.rb', line 45

def self.describe_instances(o={})
  new(o).describe_instances
end

.launch_new_instance!(o = {}) ⇒ Object 



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

def self.launch_new_instance!(o={})
  new(o).launch_new_instance!
end

.terminate_instance!(o = {}) ⇒ Object

Terminate an instance by id



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# File 'lib/poolparty/net/remoter_bases/libvirt/libvirt.rb', line 26

def self.terminate_instance!(o={})
  new(o).terminate_instance!
end

.virsh ⇒ Object 



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# File 'lib/poolparty/net/remoter_bases/libvirt/libvirt.rb', line 67

def self.virsh
  new({}).path_to_binary
end

Instance Method Details

#after_launched(force = false) ⇒ Object

After launch callback This is called after a new instance is launched



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# File 'lib/poolparty/net/remoter_bases/libvirt/libvirt.rb', line 59

def after_launched(force=false)
  puts "new instance was launched"
end

#before_shutdown ⇒ Object

Before shutdown callback This is called before the cloud is contracted



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# File 'lib/poolparty/net/remoter_bases/libvirt/libvirt.rb', line 65

def before_shutdown
end

#describe_instance(o = {}) ⇒ Object 



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# File 'lib/poolparty/net/remoter_bases/libvirt/libvirt.rb', line 36

def describe_instance(o={})
  LibvirtInstance.new(o).description
end

#describe_instances(o = {}) ⇒ Object 



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

def describe_instances(o={})
  output = `virsh list`.split("\n")
  return [] if output.empty? || output.size < 3
  output[2..-1].collect do |i|
    d=i.split(' ')
    LibvirtInstance.new(:name => d[1], :status  => d[2..-1].join(' '))
  end
end

#launch_new_instance!(o = {}) ⇒ Object 



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# File 'lib/poolparty/net/remoter_bases/libvirt/libvirt.rb', line 21

def launch_new_instance!(o={})
  `virsh start #{image_id}`
  describe_instance :image_id=>image_id
end

#terminate_instance!(o = {}) ⇒ Object 



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# File 'lib/poolparty/net/remoter_bases/libvirt/libvirt.rb', line 29

def terminate_instance!(o={})
  `virsh shutdown #{image_id}`
end