Top Level Namespace

Defined Under Namespace

Modules: Fog

Constant Summary collapse

INTERNET =

UUID for INTERNET

'00000000-0000-0000-0000-000000000000'
SERVICE_NET =

UUID for Rackspace’s service net

'11111111-1111-1111-1111-111111111111'
SEGMENT_LIMIT =

Size of segment. The Rackspace cloud currently requires files larger than 5GB to be segmented so we will choose 5GB -1 for a size docs.rackspace.com/files/api/v1/cf-devguide/content/Large_Object_Creation-d1e2019.html

5368709119.0
BUFFER_SIZE =

Size of buffer to use for transfers. Use Excon’s default chunk size and if that’s not avaliable we will default to 1 MB

Excon.defaults[:chunk_size] || 1024 * 1024

Instance Method Summary collapse

Instance Method Details

#delete_network(network) ⇒ Object

I have notice that cloud networks is slow to acknowledge deleted servers. This method tries to mitigate this.



17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
# File 'lib/fog/rackspace/examples/compute_v2/delete_network.rb', line 17

def delete_network(network)
  attempt = 0
  begin
    network.destroy
  rescue Fog::Compute::RackspaceV2::ServiceError => e
    if attempt == 3
       puts  "Unable to delete #{network.label}"
      return false
    end
     puts "Network #{network.label} Delete Fail Attempt #{attempt}- #{e.inspect}"
    attempt += 1
    sleep 60
    retry
  end
  return true
end

#generate_ssh_keyObject

Generates a ssh key using the SSHKey library. The private key is avaialble via the ‘.private_key’ and the public key is avaialble via ‘.ssh_public_key’



29
30
31
# File 'lib/fog/rackspace/examples/compute_v2/bootstrap_server.rb', line 29

def generate_ssh_key
  SSHKey.generate
end

#get_user_boolean(prompt) ⇒ Object



13
14
15
16
17
# File 'lib/fog/rackspace/examples/queues/list_messages.rb', line 13

def get_user_boolean(prompt)
  str = get_user_input(prompt)
  return false unless str
  str.match(/y(es)?/i) ? true : false
end

#get_user_input(prompt) ⇒ Object



8
9
10
11
# File 'lib/fog/rackspace/examples/queues/create_queue.rb', line 8

def get_user_input(prompt)
  print "#{prompt}: "
  gets.chomp
end

#get_user_input_as_int(prompt) ⇒ Object



12
13
14
15
# File 'lib/fog/rackspace/examples/auto_scale/add_policy.rb', line 12

def get_user_input_as_int(prompt)
  str = get_user_input(prompt)
  str.to_i
end


20
21
22
23
24
25
# File 'lib/fog/rackspace/examples/storage/storage_metadata.rb', line 20

def (object)
  object..each_pair do |key, value|
    puts "\t#{key}: #{value}"
  end
  puts "\n"
end

#rackspace_api_keyObject

Use api key defined in ~/.fog file, if absent prompt for api key For more details on ~/.fog refer to fog.io/about/getting_started.html



21
22
23
# File 'lib/fog/rackspace/examples/queues/create_queue.rb', line 21

def rackspace_api_key
  Fog.credentials[:rackspace_api_key] || get_user_input("Enter Rackspace API key")
end

#rackspace_usernameObject

Use username defined in ~/.fog file, if absent prompt for username. For more details on ~/.fog refer to fog.io/about/getting_started.html



15
16
17
# File 'lib/fog/rackspace/examples/queues/create_queue.rb', line 15

def rackspace_username
  Fog.credentials[:rackspace_username] || get_user_input("Enter Rackspace Username")
end

#select_attachment(attachments) ⇒ Object



25
26
27
28
29
30
31
32
33
34
35
# File 'lib/fog/rackspace/examples/compute_v2/detach_volume.rb', line 25

def select_attachment(attachments)
  abort "\nThis server does not contain any volumes in the Chicago region. Try running server_attachments.rb\n\n" if attachments.empty?

  puts "\nSelect Volume To Detach:\n\n"
  attachments.each_with_index do |attachment, i|
    puts "\t #{i}. #{attachment.device}"
  end

  delete_str = get_user_input "\nEnter Volume Number"
  attachments[delete_str.to_i]
end

#select_directory(directories) ⇒ Object



13
14
15
16
17
18
19
20
21
22
23
# File 'lib/fog/rackspace/examples/storage/delete_file.rb', line 13

def select_directory(directories)
  abort "\nThere are not any directories with files to delete in the Chicago region. Try running create_file.rb\n\n" if directories.empty?

  puts "\nSelect Directory:\n\n"
  directories.each_with_index do |dir, i|
    puts "\t #{i}. #{dir.key} [#{dir.count} objects]"
  end

  delete_str = get_user_input "\nEnter Directory Number"
  directories[delete_str.to_i]
end

#select_file(files) ⇒ Object



25
26
27
28
29
30
31
32
33
# File 'lib/fog/rackspace/examples/storage/delete_file.rb', line 25

def select_file(files)
  puts "\nSelect File:\n\n"
  files.each_with_index do |file, i|
    puts "\t #{i}. #{file.key}"
  end

  delete_str = get_user_input "\nEnter File Number"
  files[delete_str.to_i]
end

#select_flavor(flavors, server) ⇒ Object



13
14
15
16
17
18
19
20
21
22
# File 'lib/fog/rackspace/examples/compute_v2/resize_server.rb', line 13

def select_flavor(flavors, server)
  puts "\nSelect New Flavor Size:\n\n"
  flavors.each_with_index do |flavor, i|
    next if server.flavor_id == flavor.id
    puts "\t #{i}. #{flavor.name}"
  end

  selected_flavor_str = get_user_input "\nEnter Flavor Number"
  flavors[selected_flavor_str.to_i]
end

#select_group(groups) ⇒ Object



29
30
31
32
33
34
35
36
37
38
39
40
# File 'lib/fog/rackspace/examples/auto_scale/add_policy.rb', line 29

def select_group(groups)
  abort "\nThere are not any scaling groups in the Chicago region. Try running create_scaling_group.rb\n\n" if groups.empty?

  puts "\nSelect Group For New Policy:\n\n"
  groups.each_with_index do |group, i|
    config = group.group_config
    puts "\t #{i}. #{config.name}"
  end

  select_str = get_user_input "\nEnter Group Number"
  groups[select_str.to_i]
end

#select_image(images) ⇒ Object



13
14
15
16
17
18
19
20
21
22
23
# File 'lib/fog/rackspace/examples/compute_v2/delete_image.rb', line 13

def select_image(snapshot_images)
  abort "\nThere are not any images to delete in the Chicago region. Try running create_image.rb\n\n" if snapshot_images.empty?

  puts "\nSelect Image To Delete:\n\n"
  snapshot_images.each_with_index do |image, i|
    puts "\t #{i}. #{image.name}"
  end

  delete_str = get_user_input "\nEnter Image Number"
  snapshot_images[delete_str.to_i]
end

#select_message(messages) ⇒ Object



25
26
27
28
29
30
31
32
33
34
35
# File 'lib/fog/rackspace/examples/queues/delete_message.rb', line 25

def select_message(messages)
  abort "\nThere are not any messages in the Chicago region. Try running post_message.rb\n\n" if messages.empty?

  puts "\nSelect Message To Delete:\n\n"
  messages.each_with_index do |message, i|
    puts "\t #{i}. [#{message.id}] #{message.body[0..50]}"
  end

  delete_str = get_user_input "\nEnter Message Number"
  messages[delete_str.to_i]
end

#select_policy(policies) ⇒ Object



37
38
39
40
41
42
43
44
45
46
47
# File 'lib/fog/rackspace/examples/auto_scale/add_webhook.rb', line 37

def select_policy(policies)
  abort "\nThere are no policies for this scaling group. Try running add_policy.rb\n\n" if policies.empty?

  puts "\nSelect Policy Triggered By Webhook:\n\n"
  policies.each_with_index do |policy, i|
    puts "\t #{i}. #{policy.name}"
  end

  select_str = get_user_input "\nEnter Policy Number"
  policies[select_str.to_i]
end

#select_queue(queues) ⇒ Object



13
14
15
16
17
18
19
20
21
22
23
# File 'lib/fog/rackspace/examples/queues/delete_queue.rb', line 13

def select_queue(queues)
  abort "\nThere are not any queues to delete in the Chicago region. Try running create_queue.rb\n\n" if queues.empty?

  puts "\nSelect Queue To Delete:\n\n"
  queues.each_with_index do |queue, i|
    puts "\t #{i}. #{queue.name}"
  end

  delete_str = get_user_input "\nEnter Queue Number"
  queues[delete_str.to_i]
end

#select_server(servers) ⇒ Object



13
14
15
16
17
18
19
20
21
22
23
# File 'lib/fog/rackspace/examples/compute_v2/create_image.rb', line 13

def select_server(servers)
  abort "\nThere are not any servers available to image in the Chicago region. Try running create_server.rb\n\n" if servers.empty?

  puts "\nSelect Server To Image:\n\n"
  servers.each_with_index do |server, i|
    puts "\t #{i}. #{server.name} [#{server.public_ip_address}]"
  end

  selected_str = get_user_input "\nEnter Server Number"
  servers[selected_str.to_i]
end

#select_volume(volumes) ⇒ Object



13
14
15
16
17
18
19
20
21
22
23
# File 'lib/fog/rackspace/examples/block_storage/delete_volume.rb', line 13

def select_volume(volumes)
  abort "\nThere are not any volumes to delete in the Chicago region. Try running create_volume.rb\n\n" if volumes.empty?

  puts "\nSelect Volume:\n\n"
  volumes.each_with_index do |volume, i|
    puts "\t #{i}. #{volume.display_name}"
  end

 selected_str = get_user_input "Enter Volume Type Number"
 volumes[selected_str.to_i]
end

#select_volume_type(volume_types) ⇒ Object



13
14
15
16
17
18
19
20
21
# File 'lib/fog/rackspace/examples/block_storage/create_volume.rb', line 13

def select_volume_type(volume_types)
  puts "\nSelect Volume Type:\n\n"
  volume_types.each_with_index do |volume_type, i|
    puts "\t #{i}. #{volume_type.name}"
  end

  selected_str = get_user_input "Enter Volume Type Number"
  volume_types[selected_str.to_i]
end

#select_webhook(webhooks) ⇒ Object



49
50
51
52
53
54
55
56
57
58
59
# File 'lib/fog/rackspace/examples/auto_scale/delete_webhook.rb', line 49

def select_webhook(webhooks)
  abort "\nThere are no webhooks for this policy. Try running add_webhook.rb\n\n" if webhooks.empty?

  puts "\nSelect Webhook:\n\n"
  webhooks.each_with_index do |webhook, i|
    puts "\t #{i}. #{webhook.name}"
  end

  select_str = get_user_input "\nEnter Webhook Number"
  webhooks[select_str.to_i]
end

#wait_for_server_deletion(server) ⇒ Object



8
9
10
11
12
13
14
# File 'lib/fog/rackspace/examples/compute_v2/delete_network.rb', line 8

def wait_for_server_deletion(server)
  begin
    server.wait_for { state = 'DELETED' }
  rescue Fog::Compute::RackspaceV2::NotFound => e
    # do nothing
  end
end