Class: Fog::AWS::Compute::Server

Inherits:
Model
  • Object
show all
Defined in:
lib/fog/compute/models/aws/server.rb

Instance Attribute Summary collapse

Attributes inherited from Model

#collection, #connection

Instance Method Summary collapse

Methods inherited from Model

#inspect, #reload, #to_json, #wait_for

Methods included from Fog::Attributes::ClassMethods

#_load, #aliases, #attribute, #attributes, #identity, #ignore_attributes, #ignored_attributes

Methods included from Fog::Attributes::InstanceMethods

#_dump, #attributes, #identity, #identity=, #merge_attributes, #new_record?, #requires

Constructor Details

#initialize(attributes = {}) ⇒ Server

Returns a new instance of Server.



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# File 'lib/fog/compute/models/aws/server.rb', line 42

def initialize(attributes={})
  self.groups ||= ["default"] unless attributes[:subnet_id]
  self.flavor_id ||= 'm1.small'
  super
end

Instance Attribute Details

#architecture ⇒ Object

Returns the value of attribute architecture.



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# File 'lib/fog/compute/models/aws/server.rb', line 11

def architecture
  @architecture
end

#instance_initiated_shutdown_behavior ⇒ Object

Returns the value of attribute instance_initiated_shutdown_behavior.



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# File 'lib/fog/compute/models/aws/server.rb', line 20

def instance_initiated_shutdown_behavior
  @instance_initiated_shutdown_behavior
end

#password ⇒ Object

Returns the value of attribute password.



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# File 'lib/fog/compute/models/aws/server.rb', line 39

def password
  @password
end

#private_key ⇒ Object 



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# File 'lib/fog/compute/models/aws/server.rb', line 95

def private_key
  @private_key ||= private_key_path && File.read(private_key_path)
end

#private_key_path ⇒ Object 



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# File 'lib/fog/compute/models/aws/server.rb', line 90

def private_key_path
  @private_key_path ||= Fog.credentials[:private_key_path]
  @private_key_path &&= File.expand_path(@private_key_path)
end

#public_key ⇒ Object 



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# File 'lib/fog/compute/models/aws/server.rb', line 104

def public_key
  @public_key ||= public_key_path && File.read(public_key_path)
end

#public_key_path ⇒ Object 



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# File 'lib/fog/compute/models/aws/server.rb', line 99

def public_key_path
  @public_key_path ||= Fog.credentials[:public_key_path]
  @public_key_path &&= File.expand_path(@public_key_path)
end

#username ⇒ Object 



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# File 'lib/fog/compute/models/aws/server.rb', line 199

def username
  @username ||= 'root'
end

Instance Method Details

#addresses ⇒ Object 



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# File 'lib/fog/compute/models/aws/server.rb', line 48

def addresses
  requires :id

  connection.addresses(:server => self)
end

#console_output ⇒ Object 



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# File 'lib/fog/compute/models/aws/server.rb', line 54

def console_output
  requires :id

  connection.get_console_output(id)
end

#destroy ⇒ Object 



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# File 'lib/fog/compute/models/aws/server.rb', line 60

def destroy
  requires :id

  connection.terminate_instances(id)
  true
end

#flavor ⇒ Object 



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# File 'lib/fog/compute/models/aws/server.rb', line 76

def flavor
  @flavor ||= connection.flavors.all.detect {|flavor| flavor.id == flavor_id}
end

#flavor=(new_flavor) ⇒ Object 



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# File 'lib/fog/compute/models/aws/server.rb', line 72

def flavor=(new_flavor)
  @flavor = new_flavor
end

#flavor_id ⇒ Object 



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# File 'lib/fog/compute/models/aws/server.rb', line 68

def flavor_id
  @flavor && @flavor.id || attributes[:flavor_id]
end

#key_pair ⇒ Object 



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# File 'lib/fog/compute/models/aws/server.rb', line 80

def key_pair
  requires :key_name

  connection.keypairs.all(key_name).first
end

#key_pair=(new_keypair) ⇒ Object 



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# File 'lib/fog/compute/models/aws/server.rb', line 86

def key_pair=(new_keypair)
  self.key_name = new_keypair && new_keypair.name
end

#ready? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/fog/compute/models/aws/server.rb', line 108

def ready?
  state == 'running'
end

#reboot ⇒ Object 



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# File 'lib/fog/compute/models/aws/server.rb', line 112

def reboot
  requires :id
  connection.reboot_instances(id)
  true
end

#save ⇒ Object

Raises:



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# File 'lib/fog/compute/models/aws/server.rb', line 118

def save
  raise Fog::Errors::Error.new('Resaving an existing object may create a duplicate') if identity
  requires :image_id

  options = {
    'BlockDeviceMapping'          => block_device_mapping,
    'ClientToken'                 => client_token,
    'InstanceInitiatedShutdownBehavior' => instance_initiated_shutdown_behavior,
    'InstanceType'                => flavor_id,
    'KernelId'                    => kernel_id,
    'KeyName'                     => key_name,
    'Monitoring.Enabled'          => monitoring,
    'Placement.AvailabilityZone'  => availability_zone,
    'RamdiskId'                   => ramdisk_id,
    'SecurityGroup'               => groups,
    'SubnetId'                    => subnet_id,
    'UserData'                    => user_data
  }
  options.delete_if {|key, value| value.nil?}

  # If subnet is defined we are working on a virtual private cloud.
  # subnet & security group cannot co-exist. I wish VPC just ignored
  # the security group parameter instead, it would be much easier!
  if subnet_id
    options.delete('SecurityGroup')
  else
    options.delete('SubnetId')
  end

  data = connection.run_instances(image_id, 1, 1, options)
  merge_attributes(data.body['instancesSet'].first)
  true
end

#setup(credentials = {}) ⇒ Object 



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# File 'lib/fog/compute/models/aws/server.rb', line 152

def setup(credentials = {})
  requires :identity, :ip_address, :username
  require 'json'

  commands = [
    %{mkdir .ssh},
    %{passwd -l root},
    %{echo "#{attributes.to_json}" >> ~/attributes.json}
  ]
  if public_key
    commands << %{echo "#{public_key}" >> ~/.ssh/authorized_keys}
  end
  # allow some retries over the first 120 seconds because aws is weird
  Timeout::timeout(120) do
    begin
      Timeout::timeout(4) do
        Fog::SSH.new(ip_address, username, credentials).run(commands)
      end
    rescue Net::SSH::AuthenticationFailed, Timeout::Error
      retry
    end
  end
rescue Errno::ECONNREFUSED => e
  sleep(1)
  retry
end

#ssh(commands) ⇒ Object 



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# File 'lib/fog/compute/models/aws/server.rb', line 179

def ssh(commands)
  requires :identity, :ip_address, :username

  options = {}
  options[:key_data] = [private_key] if private_key
  Fog::SSH.new(ip_address, username, options).run(commands)
end

#start ⇒ Object 



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# File 'lib/fog/compute/models/aws/server.rb', line 187

def start
  requires :id
  connection.start_instances(id)
  true
end

#stop ⇒ Object 



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# File 'lib/fog/compute/models/aws/server.rb', line 193

def stop
  requires :id
  connection.stop_instances(id)
  true
end

#volumes ⇒ Object 



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# File 'lib/fog/compute/models/aws/server.rb', line 203

def volumes
  requires :id
  connection.volumes(:server => self)
end