Class: VmShepherd::OpenstackManager

Inherits:
Object
  • Object
show all
Includes:
RetryHelper
Defined in:
lib/vm_shepherd/openstack_manager.rb

Constant Summary

Constants included from RetryHelper

RetryHelper::RETRY_INTERVAL, RetryHelper::RETRY_LIMIT

Instance Method Summary collapse

Methods included from RetryHelper

#retry_until

Constructor Details

#initialize(auth_url:, username:, api_key:, tenant:) ⇒ OpenstackManager

Returns a new instance of OpenstackManager.



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# File 'lib/vm_shepherd/openstack_manager.rb', line 8

def initialize(auth_url:, username:, api_key:, tenant:)
  @auth_url = auth_url
  @username = username
  @api_key  = api_key
  @tenant   = tenant
end

Instance Method Details

#clean_environment ⇒ Object 



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# File 'lib/vm_shepherd/openstack_manager.rb', line 69

def clean_environment
  say("Destroying #{service.servers.size} instances:")
  service.servers.each do |server|
    server.volumes.each do |volume|
      say("  Detaching volume #{volume.id} from server #{server.id}")
      server.detach_volume(volume.id)
    end

    say("  Destroying instance #{server.id}")
    server.destroy
  end

  retry_until(retry_limit: 30) do
    server_count = service.servers.count
    say("  Waiting for #{server_count} servers to be destroyed")
    server_count == 0
  end

  private_images = image_service.images.reject(&:is_public)

  say("Destroying #{private_images.size} images:")
  private_images.each do |image|
    say("  Destroying image #{image.id}")
    image.destroy
  end

  say("Destroying #{service.volumes.size} volumes:")
  service.volumes.each do |volume|
    say("  Destroying volume #{volume.id}")
    volume.wait_for { volume.ready? }
    volume.destroy
  end

  say("Destroying contents of #{storage_service.directories.size} containers:")
  storage_service.directories.each do |directory|
    say("  Destroying #{directory.files.size} files from #{directory.key}")
    directory.files.each do |file|
      say("    Destroying file #{file.key}")
      file.destroy
    end
  end
end

#deploy(raw_file_path, vm_options) ⇒ Object 



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# File 'lib/vm_shepherd/openstack_manager.rb', line 15

def deploy(raw_file_path, vm_options)
  say "Uploading the image #{raw_file_path}"
  image = image_service.images.create(
    name:             vm_options[:name],
    size:             File.size(raw_file_path),
    disk_format:      'raw',
    container_format: 'bare',
    location:         raw_file_path,
  )
  say 'Finished uploading the image'

  flavor          = find_flavor(vm_options[:flavor_name])
  network         = network_service.networks.find { |net| net.name == vm_options[:network_name] }
  security_groups = vm_options[:security_group_names]

  say('Launching an instance')
  server = service.servers.create(
    name:            vm_options[:name],
    flavor_ref:      flavor.id,
    image_ref:       image.id,
    key_name:        vm_options[:key_name],
    security_groups: security_groups,
    nics:            [
                       {net_id: network.id, v4_fixed_ip: vm_options[:private_ip]}
                     ],
  )
  server.wait_for { ready? }
  say('Finished launching an instance')

  say('Assigning a Public IP to the instance')
  ip        = service.addresses.find { |address| address.instance_id.nil? && address.ip == vm_options[:public_ip] }
  ip.server = server
  say('Finished assigning a Public IP to the instance')
end

#destroy(vm_options) ⇒ Object 



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# File 'lib/vm_shepherd/openstack_manager.rb', line 50

def destroy(vm_options)
  say('Destroying Ops Manager instances')

  server = service.servers.find { |srv| srv.name == vm_options[:name] }
  if server
    say("Found running Ops Manager instance #{server.id}")
    server.destroy
    say('Ops Manager instance destroyed')
  end

  image = image_service.images.find { |img| img.name == vm_options[:name] }
  if image
    say("Found Ops Manager image #{image.id}")
    image.destroy
    say('Ops Manager image destroyed')
  end
  say('Done destroying Ops Manager instances')
end

#image_service ⇒ Object 



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# File 'lib/vm_shepherd/openstack_manager.rb', line 125

def image_service
  @image_service ||= Fog::Image.new(
    provider:                'openstack',
    openstack_auth_url:      auth_url,
    openstack_username:      username,
    openstack_tenant:        tenant,
    openstack_api_key:       api_key,
    openstack_endpoint_type: 'publicURL',
  )
end

#network_service ⇒ Object 



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# File 'lib/vm_shepherd/openstack_manager.rb', line 136

def network_service
  @network_service ||= Fog::Network.new(
    provider:           'openstack',
    openstack_auth_url: auth_url,
    openstack_username: username,
    openstack_tenant:   tenant,
    openstack_api_key:  api_key,
  )
end

#prepare_environment ⇒ Object 



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# File 'lib/vm_shepherd/openstack_manager.rb', line 112

def prepare_environment
end

#service ⇒ Object 



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# File 'lib/vm_shepherd/openstack_manager.rb', line 115

def service
  @service ||= Fog::Compute.new(
    provider:           'openstack',
    openstack_auth_url: auth_url,
    openstack_username: username,
    openstack_tenant:   tenant,
    openstack_api_key:  api_key,
  )
end

#storage_service ⇒ Object 



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# File 'lib/vm_shepherd/openstack_manager.rb', line 146

def storage_service
  @network_service ||= Fog::Storage.new(
    provider:           'openstack',
    openstack_auth_url: auth_url,
    openstack_username: username,
    openstack_tenant:   tenant,
    openstack_api_key:  api_key,
  )
end