Class: VmShepherd::OpenstackManager

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

Instance Method Summary collapse

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 5

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

Instance Method Details

#deploy(qcow2_file_path, vm_options) ⇒ Object 



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# File 'lib/vm_shepherd/openstack_manager.rb', line 12

def deploy(qcow2_file_path, vm_options)
  say "Uploading the image #{qcow2_file_path}"
  image = image_service.images.create(
    name: vm_options[:name],
    size: File.size(qcow2_file_path),
    disk_format: 'qcow2',
    container_format: 'bare',
    location: qcow2_file_path,
  )
  say 'Finished uploading the image'

  flavor = find_flavor(vm_options[:min_disk_size])
  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 47

def destroy(vm_options)
  ip = service.addresses.find { |address| address.ip == vm_options[:public_ip] }
  server = service.servers.get(ip.instance_id)
  if server
    image = image_service.images.get(server.image['id'])

    server.destroy
    image.destroy
  end
end

#image_service ⇒ Object 



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# File 'lib/vm_shepherd/openstack_manager.rb', line 68

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 79

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,
    openstack_endpoint_type: 'publicURL',
  )
end

#service ⇒ Object 



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# File 'lib/vm_shepherd/openstack_manager.rb', line 58

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