Class: Deltacloud::Drivers::Ec2::Ec2Driver

Inherits:
BaseDriver
  • Object
show all
Defined in:
lib/deltacloud/drivers/ec2/ec2_driver.rb

Constant Summary collapse

DEFAULT_REGION = 
'us-east-1'

Constants inherited from BaseDriver

BaseDriver::MEMBER_SHOW_METHODS, BaseDriver::STATE_MACHINE_OPTS

Instance Method Summary collapse

Methods inherited from BaseDriver

#address, #api_provider, #blob, #bucket, #catched_exceptions_list, constraints, define_hardware_profile, define_instance_states, driver_name, feature, features, #filter_hardware_profiles, #filter_on, #find_hardware_profile, #firewall, #hardware_profile, #hardware_profiles, hardware_profiles, #has_capability?, #has_feature?, has_feature?, #image, #instance_actions_for, #instance_state_machine, instance_state_machine, #key, #name, #realm, #storage_snapshot, #storage_volume, #supported_collections

Methods included from Exceptions

exception_from_status, exceptions, included, logger, #safely

Instance Method Details

#addresses(credentials, opts = {}) ⇒ Object 


711
712
713
714
715
716
717
718
719
720
721
722
723
724
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 711

def addresses(credentials, opts={})
  ec2 = new_client(credentials)
  address_id = (opts and opts[:id]) ? [opts[:id]] : []
  safely do
    begin
      ec2.describe_addresses(address_id).collect do |address|
        Address.new(:id => address[:public_ip], :instance_id => address[:instance_id])
      end
    rescue Exception => e
      return [] if e.message =~ /InvalidAddress\.NotFound:/
      raise e
    end
  end
end

#associate_address(credentials, opts = {}) ⇒ Object 


740
741
742
743
744
745
746
747
748
749
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 740

def associate_address(credentials, opts={})
  ec2 = new_client(credentials)
  safely do
    if ec2.associate_address(opts[:instance_id], opts[:id])
      Address.new(:id => opts[:id], :instance_id => opts[:instance_id])
    else
      raise "ERROR: Cannot associate IP address to an Instance"
    end
  end
end

#attach_storage_volume(credentials, opts = {}) ⇒ Object 


663
664
665
666
667
668
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 663

def attach_storage_volume(credentials, opts={})
  ec2 = new_client(credentials)
  safely do
    convert_volume(ec2.attach_volume(opts[:id], opts[:instance_id], opts[:device]))
  end
end

#blob_data(credentials, bucket_id, blob_id, opts = {}) ⇒ Object 


585
586
587
588
589
590
591
592
593
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 585

def blob_data(credentials, bucket_id, blob_id, opts={})
  s3_client = new_client(credentials, :s3)
  s3_client = get_bucket_with_endpoint(s3_client, credentials, bucket_id)[1]
  safely do
    s3_client.interface.get(bucket_id, blob_id) do |chunk|
      yield chunk
    end
  end
end

#blob_metadata(credentials, opts = {}) ⇒ Object 


565
566
567
568
569
570
571
572
573
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 565

def blob_metadata(credentials, opts={})
  s3_client = new_client(credentials, :s3)
  blob_meta = {}
  safely do
    the_bucket, s3_client = get_bucket_with_endpoint(s3_client, credentials, opts['bucket'])
    the_blob = the_bucket.key(opts[:id], true)
    blob_meta = the_blob.meta_headers
  end
end

#blob_segment_id(request, response) ⇒ Object 


551
552
553
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 551

def blob_segment_id(request, response)
  response["etag"].gsub("\"", "")
end

#blob_stream_connection(params) ⇒ Object

params: :user,:password,:bucket,:blob,:content_type,:content_length,:metadata


596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 596

def blob_stream_connection(params)
  #canonicalise metadata:
  #http://docs.amazonwebservices.com/AmazonS3/latest/dev/index.html?RESTAuthentication.html
  metadata = params[:metadata] || {}
  signature_meta_string = ""
  BlobHelper::rename_metadata_headers(metadata, 'x-amz-meta-')
  keys_array = metadata.keys.sort!
  keys_array.each {|k| signature_meta_string << "#{k}:#{metadata[k]}\n"}
  provider = "https://#{endpoint_for_service(:s3)}"
  uri = URI.parse(provider)
  http = Net::HTTP.new("#{params[:bucket]}.#{uri.host}", uri.port )
  http.use_ssl = true
  http.verify_mode = OpenSSL::SSL::VERIFY_NONE
  timestamp = Time.now.httpdate
  string_to_sign =
    "PUT\n\n#{params[:content_type]}\n#{timestamp}\n#{signature_meta_string}/#{params[:bucket]}/#{params[:blob]}"
  if BlobHelper.segmented_blob_op_type(params[:context]) == "segment"
    partNumber = BlobHelper.segment_order(params[:context])
    uploadId = BlobHelper.segmented_blob_id(params[:context])
    segment_string = "?partNumber=#{partNumber}&uploadId=#{uploadId}"
    string_to_sign << segment_string
    request = Net::HTTP::Put.new("/#{params[:blob]}#{segment_string}")
  else
    request = Net::HTTP::Put.new("/#{params[:blob]}")
  end
  auth_string = Aws::Utils::sign(params[:password], string_to_sign)
  request['Host'] = "#{params[:bucket]}.#{uri.host}"
  request['Date'] = timestamp
  request['Content-Type'] = params[:content_type]
  request['Content-Length'] = params[:content_length]
  request['Authorization'] = "AWS #{params[:user]}:#{auth_string}"
  request['Expect'] = "100-continue"
  metadata.each{|k,v| request[k] = v}
  return http, request
end

#blobs(credentials, opts = {}) ⇒ Object 


490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 490

def blobs(credentials, opts = {})
  s3_client = new_client(credentials, :s3)
  blobs = []
  safely do
    s3_bucket, s3_client = get_bucket_with_endpoint(s3_client, credentials, opts['bucket'])
    if(opts[:id])
      blobs << convert_object(s3_bucket.key(opts[:id], true))
    else
      s3_bucket.keys({}, true).each do |s3_object|
        blobs << convert_object(s3_object)
      end
    end
  end
  blobs = filter_on(blobs, :id, opts)
  blobs
end

#buckets(credentials, opts = {}) ⇒ Object 


450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 450

def buckets(credentials, opts={})
  buckets = []
  safely do
    s3_client = new_client(credentials, :s3)
    unless (opts[:id].nil?)
      bucket, s3_client = get_bucket_with_endpoint(s3_client, credentials, opts[:id])
      buckets << convert_bucket(bucket)
    else
      bucket_list = s3_client.buckets
      bucket_list.each do |current|
        buckets << Bucket.new({:name => current.name, :id => current.name})
      end
    end
  end
  filter_on(buckets, :id, opts)
end

#configured_providers ⇒ Object 


835
836
837
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 835

def configured_providers
  Deltacloud::Drivers::driver_config[:ec2][:entrypoints]["ec2"].keys
end

#create_address(credentials, opts = {}) ⇒ Object 


726
727
728
729
730
731
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 726

def create_address(credentials, opts={})
  ec2 = new_client(credentials)
  safely do
    Address.new(:id => ec2.allocate_address)
  end
end

#create_blob(credentials, bucket_id, blob_id, data = nil, opts = {}) ⇒ Object

– Create Blob - NON Streaming way (i.e. was called with POST html multipart form data) – also called for segmented blobs - as final call with blob manifest


511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 511

def create_blob(credentials, bucket_id, blob_id, data = nil, opts = {})
  s3_client = new_client(credentials, :s3)
  #data is a construct with the temporary file created by server @.tempfile
  #also file[:type] will give us the content-type
  if(opts[:segment_manifest])
    safely do
      s3_client.interface.complete_multipart(bucket_id, blob_id, opts[:segmented_blob_id], opts[:segment_manifest])
    end
  else
    # File stream needs to be reopened in binary mode
    file = File::open(data[:tempfile].path, 'rb')
    #insert ec2-specific header for user metadata ... x-amz-meta-KEY = VALUE
    BlobHelper::rename_metadata_headers(opts, 'x-amz-meta-')
    opts["Content-Type"] = data[:type]
    safely do
      s3_client.interface.put(bucket_id,
                                  blob_id,
                                  file,
                                  opts)
    end
  end
  #create a new Blob object and return that
  Blob.new( { :id => blob_id,
              :bucket => bucket_id,
              :content_length => ((data && data[:tempfile]) ? data[:tempfile].length : nil),
              :content_type => ((data && data[:type]) ? data[:type] : nil),
              :last_modified => '',
              :user_metadata => opts.select{|k,v| k.match(/^x-amz-meta-/i)}
            }
          )
end

#create_bucket(credentials, name, opts = {}) ⇒ Object 


467
468
469
470
471
472
473
474
475
476
477
478
479
480
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 467

def create_bucket(credentials, name, opts={})
  bucket = nil
  safely do
    s3_client = new_client(credentials, :s3)
    bucket_location = opts['location']
    if (bucket_location && bucket_location.size >0 &&
                                       (not bucket_location.eql?(DEFAULT_REGION)) )
      bucket = Aws::S3::Bucket.create(s3_client, name, true, nil, :location => bucket_location)
    else
      bucket = Aws::S3::Bucket.create(s3_client, name, true)
    end
  end
  convert_bucket(bucket)
end

#create_firewall(credentials, opts = {}) ⇒ Object

– Create firewall –


785
786
787
788
789
790
791
792
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 785

def create_firewall(credentials, opts={})
  ec2 = new_client(credentials)
  safely do
    ec2.create_security_group(opts["name"], opts["description"])
  end
  Firewall.new( { :id=>opts["name"], :name=>opts["name"],
                  :description => opts["description"], :owner_id => "", :rules => [] } )
end

#create_firewall_rule(credentials, opts = {}) ⇒ Object

–


806
807
808
809
810
811
812
813
814
815
816
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 806

def create_firewall_rule(credentials, opts={})
  ec2 = new_client(credentials)
  groups = []
  opts['groups'].each do |k,v|
    groups << {"group_name" => k, "owner" =>v}
  end
  safely do
    ec2.manage_security_group_ingress(opts['id'], opts['port_from'], opts['port_to'], opts['protocol'],
      "authorize", opts['addresses'], groups)
  end
end

#create_image(credentials, opts = {}) ⇒ Object 


203
204
205
206
207
208
209
210
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 203

def create_image(credentials, opts={})
  ec2 = new_client(credentials)
  instance = instance(credentials, :id => opts[:id])
  safely do
    new_image_id = ec2.create_image(instance.id, opts[:name], opts[:description])
    image(credentials, :id => new_image_id)
  end
end

#create_instance(credentials, image_id, opts = {}) ⇒ Object 


257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 257

def create_instance(credentials, image_id, opts={})
  ec2 = new_client(credentials)
  instance_options = {}
  if opts[:user_data]
    instance_options[:user_data] = Base64::decode64(opts[:user_data])
  end
  if opts[:metrics] and !opts[:metrics].empty?
    instance_options[:monitoring_enabled] = true
  end
  if opts[:realm_id]
    az, sn = opts[:realm_id].split(":")
    if sn
      instance_options[:subnet_id] = sn
    else
      instance_options[:availability_zone] = az
    end
  end
  instance_options[:key_name] = opts[:keyname] if opts[:keyname]
  instance_options[:instance_type] = opts[:hwp_id] if opts[:hwp_id] && opts[:hwp_id].length > 0
  firewalls = opts.inject([]){|res, (k,v)| res << v if k =~ /firewalls\d+$/; res}
  instance_options[:group_ids] = firewalls unless firewalls.empty?
  if opts[:instance_count] and opts[:instance_count].length != 0
    instance_options[:min_count] = opts[:instance_count]
    instance_options[:max_count] = opts[:instance_count]
  end
  if opts[:snapshot_id] and opts[:device_name]
    instance_options[:block_device_mappings] = [{
      :snapshot_id => opts[:snapshot_id],
      :device_name => opts[:device_name]
    }]
  end
  safely do
    new_instances = ec2.launch_instances(image_id, instance_options).collect do |i|
      convert_instance(i)
    end
    if new_instances.size == 1
      new_instances.first
    else
      new_instances
    end
  end
end

#create_key(credentials, opts = {}) ⇒ Object 


379
380
381
382
383
384
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 379

def create_key(credentials, opts={})
  ec2 = new_client(credentials)
  safely do
    convert_key(ec2.create_key_pair(opts[:key_name]))
  end
end

#create_load_balancer(credentials, opts = {}) ⇒ Object 


414
415
416
417
418
419
420
421
422
423
424
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 414

def create_load_balancer(credentials, opts={})
  ec2 = new_client( credentials, :elb )
  safely do
    ec2.create_load_balancer(opts['name'], [opts['realm_id']],
      [{:load_balancer_port => opts['listener_balancer_port'],
        :instance_port => opts['listener_instance_port'],
        :protocol => opts['listener_protocol']}]
    )
    return load_balancer(credentials, :id => opts['name'])
  end
end

#create_storage_snapshot(credentials, opts = {}) ⇒ Object 


695
696
697
698
699
700
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 695

def create_storage_snapshot(credentials, opts={})
  ec2 = new_client(credentials)
  safely do
    convert_snapshot(ec2.try_create_snapshot(opts[:volume_id]))
  end
end

#create_storage_volume(credentials, opts = nil) ⇒ Object 


642
643
644
645
646
647
648
649
650
651
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 642

def create_storage_volume(credentials, opts=nil)
  ec2 = new_client(credentials)
  opts ||= {}
  opts[:snapshot_id] ||= ""
  opts[:capacity] ||= "1"
  opts[:realm_id] ||= realms(credentials).first.id
  safely do
    convert_volume(ec2.create_volume(opts[:snapshot_id], opts[:capacity], opts[:realm_id]))
  end
end

#delete_blob(credentials, bucket_id, blob_id, opts = {}) ⇒ Object

– Delete Blob –


558
559
560
561
562
563
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 558

def delete_blob(credentials, bucket_id, blob_id, opts={})
  s3_client = new_client(credentials, :s3)
  safely do
    s3_client.interface.delete(bucket_id, blob_id)
  end
end

#delete_bucket(credentials, name, opts = {}) ⇒ Object 


482
483
484
485
486
487
488
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 482

def delete_bucket(credentials, name, opts={})
  s3_client = new_client(credentials, :s3)
  s3_bucket, s3_client = get_bucket_with_endpoint(s3_client, credentials, name)
  safely do
    s3_client.interface.delete_bucket(name)
  end
end

#delete_firewall(credentials, opts = {}) ⇒ Object

– Delete firewall –


797
798
799
800
801
802
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 797

def delete_firewall(credentials, opts={})
  ec2 = new_client(credentials)
  safely do
    ec2.delete_security_group(opts["id"])
  end
end

#delete_firewall_rule(credentials, opts = {}) ⇒ Object

–


820
821
822
823
824
825
826
827
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 820

def delete_firewall_rule(credentials, opts={})
  ec2 = new_client(credentials)
  firewall = opts[:firewall]
  protocol, from_port, to_port, addresses, groups = firewall_rule_params(opts[:rule_id])
  safely do
    ec2.manage_security_group_ingress(firewall, from_port, to_port, protocol, "revoke", addresses, groups)
  end
end

#destroy_address(credentials, opts = {}) ⇒ Object 


733
734
735
736
737
738
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 733

def destroy_address(credentials, opts={})
  ec2 = new_client(credentials)
  safely do
    ec2.release_address(opts[:id])
  end
end

#destroy_image(credentials, image_id) ⇒ Object 


212
213
214
215
216
217
218
219
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 212

def destroy_image(credentials, image_id)
  ec2 = new_client(credentials)
  safely do
    unless ec2.deregister_image(image_id)
      raise "ERROR: Unable to deregister AMI"
    end
  end
end

#destroy_instance(credentials, instance_id) ⇒ Object Also known as: stop_instance 


323
324
325
326
327
328
329
330
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 323

def destroy_instance(credentials, instance_id)
  ec2 = new_client(credentials)
  if ec2.terminate_instances([instance_id])
    instance(credentials, :id => instance_id)
  else
    raise Deltacloud::BackendError.new(500, "Instance", "Instance cannot be terminated", "")
  end
end

#destroy_key(credentials, opts = {}) ⇒ Object 


386
387
388
389
390
391
392
393
394
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 386

def destroy_key(credentials, opts={})
  ec2 = new_client(credentials)
  original_key = key(credentials, opts)
  safely do
    ec2.delete_key_pair(original_key.id)
    original_key= original_key.state = "DELETED"
  end
  original_key
end

#destroy_load_balancer(credentials, id) ⇒ Object 


426
427
428
429
430
431
432
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 426

def destroy_load_balancer(credentials, id)
  ec2 = new_client( credentials, :elb )
  return 'InvalidLoadBalancer' if load_balancer(credentials, :id => id).nil?
  safely do
    ec2.delete_load_balancer(id)
  end
end

#destroy_storage_snapshot(credentials, opts = {}) ⇒ Object 


702
703
704
705
706
707
708
709
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 702

def destroy_storage_snapshot(credentials, opts={})
  ec2 = new_client(credentials)
  safely do
    unless ec2.delete_snapshot(opts[:id])
      raise Deltacloud::BackendError.new(500, "StorageSnapshot", "Cannot destroy this snapshot")
    end
  end
end

#destroy_storage_volume(credentials, opts = {}) ⇒ Object 


653
654
655
656
657
658
659
660
661
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 653

def destroy_storage_volume(credentials, opts={})
  ec2 = new_client(credentials)
  safely do
    unless ec2.delete_volume(opts[:id])
      raise Deltacloud::BackendError.new(500, "StorageVolume", "Cannot delete storage volume")
    end
    storage_volume(credentials, :id => opts[:id])
  end
end

#detach_storage_volume(credentials, opts = {}) ⇒ Object 


670
671
672
673
674
675
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 670

def detach_storage_volume(credentials, opts={})
  ec2 = new_client(credentials)
  safely do
    convert_volume(ec2.detach_volume(opts[:id], opts[:instance_id], opts[:device], true))
  end
end

#disassociate_address(credentials, opts = {}) ⇒ Object 


751
752
753
754
755
756
757
758
759
760
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 751

def disassociate_address(credentials, opts={})
  ec2 = new_client(credentials)
  safely do
    if ec2.disassociate_address(opts[:id])
      Address.new(:id => opts[:id])
    else
      raise "ERROR: Cannot disassociate an IP address from the Instance"
    end
  end
end

#firewalls(credentials, opts = {}) ⇒ Object

– FIREWALLS - ec2 security groups –


765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 765

def firewalls(credentials, opts={})
  ec2 = new_client(credentials)
  the_firewalls = []
  groups = []
  safely do
    if opts[:id]
      groups = ec2.describe_security_groups([opts[:id]])
    else
      groups = ec2.describe_security_groups()
    end
  end
  groups.each do |security_group|
    the_firewalls << convert_security_group(security_group)
  end
  the_firewalls
end

#images(credentials, opts = {}) ⇒ Object 


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
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 140

def images(credentials, opts={})
  ec2 = new_client(credentials)
  img_arr = []
  opts ||= {}
  profiles = hardware_profiles(nil)
  if opts[:id]
    safely do
      begin
        img_arr = ec2.describe_images([opts[:id]]).collect do |image|
          convert_image(image, profiles)
        end
      rescue => e
        raise e unless e.message =~ /Invalid id/ or e.message =~ /does not exist/
        img_arr = []
      end
    end
    return img_arr
  end
  owner_id = opts[:owner_id] || default_image_owner
  safely do
    img_arr = ec2.describe_images_by_owner([owner_id], default_image_type).collect do |image|
      convert_image(image, profiles)
    end
  end
  img_arr = filter_on( img_arr, :architecture, opts )
  img_arr.sort_by { |e| [e.owner_id, e.name] }
end

#init_segmented_blob(credentials, opts = {}) ⇒ Object 


543
544
545
546
547
548
549
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 543

def init_segmented_blob(credentials, opts={})
  s3_client = new_client(credentials, :s3)
  safely do
    s3_client.interface.initiate_multipart(opts[:bucket],opts[:id])
  end

end

#instance(credentials, opts = {}) ⇒ Object 


221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 221

def instance(credentials, opts={})
  ec2 = new_client(credentials)
  safely do
    begin
      ec2_inst = ec2.describe_instances([opts[:id]]).first
    rescue => e
      raise e unless e.message =~ /Invalid id/ or e.message =~ /NotFound/
      ec2_inst = nil
    end
    return if ec2_inst.nil?
    instance = convert_instance(ec2_inst)
    return nil unless instance
    if ec2_inst[:aws_platform] == 'windows'
      console_output = ec2.get_console_output(instance.id)
      windows_password = console_output[:aws_output][%r{<Password>(.+)</Password>}m] && $1
      if windows_password
        instance.username = 'Administrator'
        instance.password = windows_password
      end
    end
    instance
  end
end

#instances(credentials, opts = {}) ⇒ Object 


245
246
247
248
249
250
251
252
253
254
255
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 245

def instances(credentials, opts={})
  ec2 = new_client(credentials)
  inst_arr = []
  safely do
    inst_arr = ec2.describe_instances.collect do |instance|
      convert_instance(instance) if instance
    end.flatten
  end
  inst_arr = filter_on( inst_arr, :id, opts )
  filter_on( inst_arr, :state, opts )
end

#keys(credentials, opts = {}) ⇒ Object 


364
365
366
367
368
369
370
371
372
373
374
375
376
377
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 364

def keys(credentials, opts={})
  ec2 = new_client(credentials)
  opts ||= {}
  safely do
    begin
      ec2.describe_key_pairs(opts[:id] ? [opts[:id]] : nil).collect do |key|
        convert_key(key)
      end
    rescue => e
      raise e unless e.message =~ /does not exist/
      []
    end
  end
end

#lb_register_instance(credentials, opts = {}) ⇒ Object 


434
435
436
437
438
439
440
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 434

def lb_register_instance(credentials, opts={})
  ec2 = new_client( credentials, :elb)
  safely do
    ec2.register_instances_with_load_balancer(opts['id'], [opts['instance_id']])
    load_balancer(credentials, :id => opts[:id])
  end
end

#lb_unregister_instance(credentials, opts = {}) ⇒ Object 


442
443
444
445
446
447
448
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 442

def lb_unregister_instance(credentials, opts={})
  ec2 = new_client( credentials, :elb)
  safely do
    ec2.deregister_instances_from_load_balancer(opts['id'], [opts['instance_id']])
    load_balancer(credentials, :id => opts['id'])
  end
end

#load_balancer(credentials, opts = {}) ⇒ Object 


396
397
398
399
400
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 396

def load_balancer(credentials, opts={})
  load_balancers(credentials, {
    :names => [opts[:id]]
  }).first
end

#load_balancers(credentials, opts = nil) ⇒ Object 


402
403
404
405
406
407
408
409
410
411
412
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 402

def load_balancers(credentials, opts=nil)
  ec2 = new_client( credentials, :elb )
  result = []
  safely do
    loadbalancers = ec2.describe_load_balancers(opts || {})
    loadbalancers.each do |loadbalancer|
      result << convert_load_balancer(credentials, loadbalancer)
    end
  end
  return result
end

#metric(credentials, opts = {}) ⇒ Object 


349
350
351
352
353
354
355
356
357
358
359
360
361
362
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 349

def metric(credentials, opts={})
  cw = new_client(credentials, :mon)
  m = metrics(credentials, :id => opts[:id])
  return [] if m.empty?
  m = m.first
  # Get statistics from last 1 hour
  start_time = (Time.now - 3600).utc.iso8601.to_s
  end_time = Time.now.utc.iso8601.to_s
  m.properties.each do |p|
    p.values = cw.get_metric_statistics(p.name,  ['Minimum', 'Maximum', 'Average'],
                start_time, end_time, metric_unit_for(p.name), { m.entity => opts[:id]})
  end
  m
end

#metrics(credentials, opts = {}) ⇒ Object 


334
335
336
337
338
339
340
341
342
343
344
345
346
347
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 334

def metrics(credentials, opts={})
  cw = new_client(credentials, :mon)
  metrics_arr = []
  cw.list_metrics( :namespace => 'AWS/EC2' ).each do |metric|
    if metrics_arr.any? { |m| m.id == metric[:value] }
      i = metrics_arr.index { |m| m.id == metric[:value] }
      metrics_arr[i] = metrics_arr[i].add_property(metric[:measure_name])
    else
      metrics_arr << convert_metric(metric)
    end
  end
  metrics_arr.reject! { |m| m.unknown? }
  filter_on(metrics_arr, :id, opts)
end

#providers(credentials, opts = {}) ⇒ Object 


829
830
831
832
833
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 829

def providers(credentials, opts={})
  ec2 = new_client(credentials)
  @providers ||= ec2.describe_regions.map{|r| Provider.new( {:id=>r, :name=>r,
   :url=>"#{ENV['API_HOST']}:#{ENV['API_PORT']}#{Deltacloud.default_frontend.root_url}\;provider=#{r}" }) }
end

#realms(credentials, opts = {}) ⇒ Object 


168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 168

def realms(credentials, opts={})
  # We have two different kinds of realms:
  #  (1) Availability Zones
  #  (2) Subnets in VPC's (scoped to an AZ)
  # For the latter, the ID is AZ:SUBNET, and we can tell that we
  # are looking at such a realm by checking if the id contains a colon
  ec2 = new_client(credentials)
  realms = []
  safely do
    if opts[:id] and !opts[:id].empty?
      az, sn = opts[:id].split(":")
      begin
        if sn
          subnet = ec2.describe_subnets(sn).first
          realms << convert_realm(subnet) if subnet
        else
          ec2.describe_availability_zones([az]).collect do |realm|
            realms << convert_realm(realm) unless realm.empty?
          end
        end
      rescue => e
        raise e unless e.message =~ /Invalid availability zone/
        realms = []
      end
    else
      realms = ec2.describe_availability_zones.collect do |realm|
        convert_realm(realm) unless realm.empty?
      end
      realms = realms +
        ec2.describe_subnets.map { |sn| convert_realm(sn) }
    end
  end
  realms
end

#reboot_instance(credentials, instance_id) ⇒ Object 


314
315
316
317
318
319
320
321
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 314

def reboot_instance(credentials, instance_id)
  ec2 = new_client(credentials)
  if ec2.reboot_instances([instance_id])
    instance(credentials, :id => instance_id)
  else
    raise Deltacloud::BackendError.new(500, "Instance", "Instance reboot failed", "")
  end
end

#run_on_instance(credentials, opts = {}) ⇒ Object 


300
301
302
303
304
305
306
307
308
309
310
311
312
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 300

def run_on_instance(credentials, opts={})
  target = instance(credentials, :id => opts[:id])
  param = {}
  param[:credentials] = {
    :username => 'root', # Default for EC2 Linux instances
  }
  param[:port] = opts[:port] || '22'
  param[:ip] = opts[:ip] || target.public_addresses.first.address
  param[:private_key] = (opts[:private_key].length > 1) ? opts[:private_key] : nil
  safely do
    Deltacloud::Runner.execute(opts[:cmd], param)
  end
end

#storage_snapshots(credentials, opts = {}) ⇒ Object 


677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 677

def storage_snapshots(credentials, opts={})
  ec2 = new_client(credentials)
  snapshot_list = opts[:id] ? [opts[:id]] : []
  safely do
    begin
    ec2.describe_snapshots(snapshot_list).collect do |snapshot|
      convert_snapshot(snapshot)
    end
    rescue => e
      if e.message =~ /NotFound/
        []
      else
        raise e
      end
    end
  end
end

#storage_volumes(credentials, opts = {}) ⇒ Object 


632
633
634
635
636
637
638
639
640
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 632

def storage_volumes(credentials, opts={})
  ec2 = new_client( credentials )
  volume_list = (opts and opts[:id]) ? [opts[:id]] : []
  safely do
    ec2.describe_volumes(volume_list).collect do |volume|
      convert_volume(volume)
    end
  end
end

#update_blob_metadata(credentials, opts = {}) ⇒ Object 


575
576
577
578
579
580
581
582
583
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 575

def update_blob_metadata(credentials, opts={})
  s3_client = new_client(credentials, :s3)
  meta_hash = BlobHelper::rename_metadata_headers(opts['meta_hash'], '')
  safely do
    the_bucket, s3_client = get_bucket_with_endpoint(s3_client, credentials, opts['bucket'])
    the_blob = the_bucket.key(opts[:id])
    the_blob.save_meta(meta_hash)
  end
end

#valid_credentials?(credentials) ⇒ Boolean

Returns:

  • (Boolean) 

839
840
841
842
843
844
845
846
847
848
849
 
# File 'lib/deltacloud/drivers/ec2/ec2_driver.rb', line 839

def valid_credentials?(credentials)
  begin
    realms(credentials) && true
  rescue => e
    if e.class.name =~ /AuthFailure/
      false
    else
      safely { raise e }
    end
  end
end