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

Inherits:
Server show all
Extended by:
Deprecation
Defined in:
lib/fog/aws/models/compute/server.rb

Instance Attribute Summary collapse

Attributes inherited from Model

#collection, #connection

Instance Method Summary collapse

Methods included from Deprecation

deprecate, self_deprecate

Methods inherited from Server

#scp, #ssh

Methods inherited from Model

#inspect, #reload, #to_json, #wait_for

Methods included from Attributes::ClassMethods

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

Methods included from Attributes::InstanceMethods

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

Constructor Details

#initialize(attributes = {}) ⇒ Server

Returns a new instance of Server.



47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
 
# File 'lib/fog/aws/models/compute/server.rb', line 47

def initialize(attributes={})
  self.groups     ||= ["default"] unless attributes[:subnet_id]
  self.flavor_id  ||= 't1.micro'
  self.image_id   ||= begin
    self.username = 'ubuntu'
    case attributes[:connection].instance_variable_get(:@region) # Ubuntu 10.04 LTS 64bit (EBS)
    when 'ap-northeast-1'
      'ami-5e0fa45f'
    when 'ap-southeast-1'
      'ami-f092eca2'
    when 'eu-west-1'
      'ami-3d1f2b49'
    when 'us-east-1'
      'ami-3202f25b'
    when 'us-west-1'
      'ami-f5bfefb0'
    end
  end
  super
end

Instance Attribute Details

#architecture ⇒ Object

Returns the value of attribute architecture.



13
14
15
 
# File 'lib/fog/aws/models/compute/server.rb', line 13

def architecture
  @architecture
end

#instance_initiated_shutdown_behavior ⇒ Object

Returns the value of attribute instance_initiated_shutdown_behavior.



22
23
24
 
# File 'lib/fog/aws/models/compute/server.rb', line 22

def instance_initiated_shutdown_behavior
  @instance_initiated_shutdown_behavior
end

#password ⇒ Object

Returns the value of attribute password.



44
45
46
 
# File 'lib/fog/aws/models/compute/server.rb', line 44

def password
  @password
end

#private_key ⇒ Object 



115
116
117
 
# File 'lib/fog/aws/models/compute/server.rb', line 115

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

#private_key_path ⇒ Object 



110
111
112
113
 
# File 'lib/fog/aws/models/compute/server.rb', line 110

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 



124
125
126
 
# File 'lib/fog/aws/models/compute/server.rb', line 124

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

#public_key_path ⇒ Object 



119
120
121
122
 
# File 'lib/fog/aws/models/compute/server.rb', line 119

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

#username ⇒ Object 



229
230
231
 
# File 'lib/fog/aws/models/compute/server.rb', line 229

def username
  @username ||= 'root'
end

Instance Method Details

#addresses ⇒ Object 



68
69
70
71
72
 
# File 'lib/fog/aws/models/compute/server.rb', line 68

def addresses
  requires :id

  connection.addresses(:server => self)
end

#console_output ⇒ Object 



74
75
76
77
78
 
# File 'lib/fog/aws/models/compute/server.rb', line 74

def console_output
  requires :id

  connection.get_console_output(id)
end

#destroy ⇒ Object 



80
81
82
83
84
85
 
# File 'lib/fog/aws/models/compute/server.rb', line 80

def destroy
  requires :id

  connection.terminate_instances(id)
  true
end

#flavor ⇒ Object 



96
97
98
 
# File 'lib/fog/aws/models/compute/server.rb', line 96

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

#flavor=(new_flavor) ⇒ Object 



92
93
94
 
# File 'lib/fog/aws/models/compute/server.rb', line 92

def flavor=(new_flavor)
  @flavor = new_flavor
end

#flavor_id ⇒ Object 



88
89
90
 
# File 'lib/fog/aws/models/compute/server.rb', line 88

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

#key_pair ⇒ Object 



100
101
102
103
104
 
# File 'lib/fog/aws/models/compute/server.rb', line 100

def key_pair
  requires :key_name

  connection.key_pairs.all(key_name).first
end

#key_pair=(new_keypair) ⇒ Object 



106
107
108
 
# File 'lib/fog/aws/models/compute/server.rb', line 106

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

#monitor=(new_monitor) ⇒ Object

I tried to call it monitoring= and be smart with attributes[] but in #save a merge_attribute is called after run_instance thus making an un-necessary request. Use this until finding a clever solution



241
242
243
244
245
246
247
248
249
250
251
252
253
 
# File 'lib/fog/aws/models/compute/server.rb', line 241

def monitor=(new_monitor)
  if identity
    case new_monitor
    when true
      response = connection.monitor_instances(identity)
    when false
      response = connection.unmonitor_instances(identity)
    else
      raise ArgumentError.new("only Boolean allowed here")
    end
  end
  self.monitoring = new_monitor
end

#ready? ⇒ Boolean

Returns:

  • (Boolean) 


128
129
130
 
# File 'lib/fog/aws/models/compute/server.rb', line 128

def ready?
  state == 'running'
end

#reboot ⇒ Object 



132
133
134
135
136
 
# File 'lib/fog/aws/models/compute/server.rb', line 132

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

#save ⇒ Object

Raises:



138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
 
# File 'lib/fog/aws/models/compute/server.rb', line 138

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,
    'Placement.GroupName'         => placement_group,
    'Placement.Tenancy'           => tenancy,
    '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)

  if tags = self.tags
    # expect eventual consistency
    Fog.wait_for { self.reload rescue nil }
    for key, value in (self.tags = tags)
      connection.tags.create(
        :key          => key,
        :resource_id  => self.identity,
        :value        => value
      )
    end
  end

  true
end

#setup(credentials = {}) ⇒ Object 



187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
 
# File 'lib/fog/aws/models/compute/server.rb', line 187

def setup(credentials = {})
  requires :public_ip_address, :username
  require 'multi_json'
  require 'net/ssh'

  commands = [
    %{mkdir .ssh},
    %{passwd -l #{username}},
    %{echo "#{MultiJson.encode(Fog::JSON.sanitize(attributes))}" >> ~/attributes.json}
  ]
  if public_key
    commands << %{echo "#{public_key}" >> ~/.ssh/authorized_keys}
  end

  # wait for aws to be ready
  Timeout::timeout(360) do
    begin
      Timeout::timeout(8) do
        Fog::SSH.new(public_ip_address, username, credentials.merge(:timeout => 4)).run('pwd')
      end
    rescue Errno::ECONNREFUSED
      sleep(2)
      retry
    rescue Net::SSH::AuthenticationFailed, Timeout::Error
      retry
    end
  end
  Fog::SSH.new(public_ip_address, username, credentials).run(commands)
end

#start ⇒ Object 



217
218
219
220
221
 
# File 'lib/fog/aws/models/compute/server.rb', line 217

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

#stop(force = false) ⇒ Object 



223
224
225
226
227
 
# File 'lib/fog/aws/models/compute/server.rb', line 223

def stop(force = false)
  requires :id
  connection.stop_instances(id, force)
  true
end

#volumes ⇒ Object 



233
234
235
236
 
# File 'lib/fog/aws/models/compute/server.rb', line 233

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