Class: OpenstackController

Inherits:
Object
  • Object
show all
Defined in:
lib/process/cloud/providers/openstack/openstack.rb,
lib/process/cloud/providers/openstack/openstack.rb,
lib/process/cloud/providers/openstack/openstack_get.rb,
lib/process/cloud/providers/openstack/openstack_query.rb,
lib/process/cloud/providers/openstack/openstack_create.rb,
lib/process/cloud/providers/openstack/openstack_delete.rb,
lib/process/cloud/providers/openstack/openstack_update.rb

Overview

Define Openstack update controller

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.base_method(crud_type) ⇒ Object 



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# File 'lib/process/cloud/providers/openstack/openstack.rb', line 291

def self.base_method(crud_type)
  define_method(crud_type) do |sObjectType, hParams|
    method_name = "#{crud_type}_#{sObjectType}"
    if self.class.method_defined? method_name
      send(method_name, hParams)
    else
      controller_error "'%s' is not a valid object for '%s'",
                       sObjectType, crud_type
    end
  end
end

.def_basic_query(connection, name, property_name = nil) ⇒ Object 



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# File 'lib/process/cloud/providers/openstack/openstack_query.rb', line 19

def self.def_basic_query(connection, name, property_name = nil)
  property_name = property_name.nil? ? name.to_s + 's' : property_name.to_s

  define_method("query_#{name}") do |hParams, _query|
    required?(hParams, connection)
    hParams[connection].send(property_name).all
  end
end

.def_complex_query(connection, name, property_name = nil) ⇒ Object

Implementation of API NOT supporting query Hash The function will filter itself.



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# File 'lib/process/cloud/providers/openstack/openstack_query.rb', line 40

def self.def_complex_query(connection, name, property_name = nil)
  property_name = property_name.nil? ? name.to_s + 's' : property_name.to_s

  define_method("query_#{name}") do |hParams, query|
    required?(hParams, connection)

    key_pairs = hParams[connection].send(property_name).all
    results = []
    key_pairs.each do |sElem|
      selected = true
      attributes = sElem.instance_variable_get(:@attributes)
      query.each do |key, value|
        if attributes[key] != value
          selected = false
          break
        end
      end
      results.push sElem if selected
    end
    results
  end
end

.def_cruds(*crud_types) ⇒ Object 



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# File 'lib/process/cloud/providers/openstack/openstack.rb', line 254

def self.def_cruds(*crud_types)
  crud_types.each do |crud_type|
    case crud_type
    when :create, :delete
      base_method(crud_type)
    when :query, :get
      query_method(crud_type)
    when :update
      update_method(crud_type)
    end
  end
end

.def_get(connection, name, property_name = nil) ⇒ Object 



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# File 'lib/process/cloud/providers/openstack/openstack_get.rb', line 19

def self.def_get(connection, name, property_name = nil)
  property_name = property_name.nil? ? "#{name}s" : property_name.to_s
  define_method("get_#{name}") do |hParams, sUniqId|
    required?(hParams, connection)
    hParams[connection].send(property_name).get(sUniqId)
  end
end

.def_simple_query(connection, name, property_name = nil) ⇒ Object

Implementation of API supporting query Hash



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# File 'lib/process/cloud/providers/openstack/openstack_query.rb', line 29

def self.def_simple_query(connection, name, property_name = nil)
  property_name = property_name.nil? ? name.to_s + 's' : property_name.to_s

  define_method("query_#{name}") do |hParams, query|
    required?(hParams, connection)
    hParams[connection].send(property_name).all query
  end
end

.query_method(crud_type) ⇒ Object 



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# File 'lib/process/cloud/providers/openstack/openstack.rb', line 279

def self.query_method(crud_type)
  define_method(crud_type) do |sObjectType, sCondition, hParams|
    method_name = "#{crud_type}_#{sObjectType}"
    if self.class.method_defined? method_name
      send(method_name, hParams, sCondition)
    else
      controller_error "'%s' is not a valid object for '%s'",
                       sObjectType, crud_type
    end
  end
end

.update_method(crud_type) ⇒ Object 



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# File 'lib/process/cloud/providers/openstack/openstack.rb', line 267

def self.update_method(crud_type)
  define_method(crud_type) do |sObjectType, obj, hParams|
    method_name = "#{crud_type}_#{sObjectType}"
    if self.class.method_defined? method_name
      send(method_name, obj, hParams)
    else
      controller_error "'%s' is not a valid object for '%s'",
                       sObjectType, crud_type
    end
  end
end

Instance Method Details

#_get_instance_attr(oControlerObject, key) ⇒ Object 



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# File 'lib/process/cloud/providers/openstack/openstack.rb', line 358

def _get_instance_attr(oControlerObject, key)
  return nil if oControlerObject.send(key[0]).nil?
  return oControlerObject.send(key[0]) if key.length == 1
  oControlerObject.send(key[0]).rh_get(key[1..-1])
end

#allocate_new_ip(compute_connect) ⇒ Object 



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# File 'lib/process/cloud/providers/openstack/openstack_create.rb', line 158

def allocate_new_ip(compute_connect)
  # Create a new public IP to add in the pool.
  pools = compute_connect.addresses.get_address_pools
  controller_error('No IP Pool found') if pools.length == 0
  # TODO: Be able to support choice of pool at setup time.
  if pools.length > 1
    Lorj.warning('Several pools found. Selecting the first one.')
  end
  compute_connect.addresses.create 'pool' => pools[0]['name']
end

#build_result(version, body) ⇒ Object

Function to provide a wel formatted standard data, usable by openstack provider

  • args:

    • version: :v1, :v2 or :v3. Based on openstack authentication version

    • body: result of Internal Fog::OpenStack.retrieve_tokens_v?

  • returns:

    • Hash: Requires at least:

      • :service_catalog : Hash of services available.



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# File 'lib/process/cloud/providers/openstack/openstack.rb', line 444

def build_result(version, body)
  case version
  when :v1 # Not supported
    { :service_catalog => {} }
  when :v2 #
    {
      :auth_token => body['access']['token']['id'],
      :expires => body['access']['token']['expires'],
      :service_catalog =>
          get_service_catalog(body['access']['serviceCatalog']),
      :endpoint_url => nil,
      :cdn_endpoint_url => nil
    }
  when :v3 # body is an Array: 0 is the body, and 1 is the header
    {
      :auth_token => body[1]['X-Subject-Token'],
      :expires => body[0]['token']['expires'],
      :service_catalog =>
          get_service_catalog(body[0]['token']['catalog']),
      :endpoint_url => nil,
      :cdn_endpoint_url => nil
    }
  end
end

#connect(sObjectType, hParams) ⇒ Object 



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# File 'lib/process/cloud/providers/openstack/openstack.rb', line 306

def connect(sObjectType, hParams)
  case sObjectType
  when :services
    get_services(hParams)
  when :compute_connection
    Fog::Compute.new(
      hParams[:hdata].merge(:provider => :openstack)
    )
  when :network_connection
    Fog::Network::OpenStack.new(hParams[:hdata])
  else
    controller_error "'%s' is not a valid object for 'connect'", sObjectType
  end
end

#create_keypairs(hParams) ⇒ Object 



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# File 'lib/process/cloud/providers/openstack/openstack_create.rb', line 79

def create_keypairs(hParams)
  required?(hParams, :compute_connection)
  required?(hParams, 'credentials#keypair_name')
  required?(hParams, :public_key)

  # API:
  # https://github.com/fog/fog/blob/master/lib/fog/openstack/docs/compute.md
  service = hParams[:compute_connection]
  service.key_pairs.create(:name => hParams['credentials#keypair_name'],
                           :public_key => hParams[:public_key])
end

#create_network(hParams) ⇒ Object 



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# File 'lib/process/cloud/providers/openstack/openstack_create.rb', line 30

def create_network(hParams)
  required?(hParams, :network_connection)
  required?(hParams, :network_name)

  hParams[:network_connection].networks.create(hParams[:hdata])
end

#create_public_ip(hParams) ⇒ Object 



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# File 'lib/process/cloud/providers/openstack/openstack_create.rb', line 119

def create_public_ip(hParams)
  required?(hParams, :compute_connection)
  required?(hParams, :server)

  compute_connect = hParams[:compute_connection]
  server = hParams[:server]

  while server.state != 'ACTIVE'
    sleep(5)
    server = compute_connect.servers.get(server.id)

    if server.state == 'Error'
      controller_error('Unable to assign a Public IP to a server '\
                       "in error '%s'", server.name)
    end
  end

  addresses = compute_connect.addresses.all
  address = nil
  # Search for an available IP
  addresses.each do |elem|
    if elem.fixed_ip.nil?
      address = elem
      break
    end
  end

  address = allocate_new_ip(compute_connect) if address.nil?
  if address.nil?
    controller_error("No Public IP to assign to server '%s'", server.name)
  end

  address.server = server # associate the server
  address.reload
  # This function needs to returns a list of object.
  # This list must support the each function.
  address
end

#create_router(hParams) ⇒ Object 



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# File 'lib/process/cloud/providers/openstack/openstack_create.rb', line 56

def create_router(hParams)
  required?(hParams, :network_connection)
  required?(hParams, :router_name)

  # Forcelly used admin_status_up to true. Coming from HPCloud.
  # But not sure if we need it or not.
  #  hParams[:hdata] = hParams[:hdata].merge(:admin_state_up => true)

  hParams[:network_connection].routers.create(hParams[:hdata])
end

#create_router_interface(hParams) ⇒ Object 



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# File 'lib/process/cloud/providers/openstack/openstack_create.rb', line 67

def create_router_interface(hParams)
  required?(hParams, :network_connection)
  required?(hParams, :router)
  required?(hParams, :subnetwork)

  service = hParams[:network_connection]
  router = hParams[:router]
  result = service.add_router_interface(router.id, hParams[:subnetwork].id)
  fail if result.status != 200
  result
end

#create_rule(hParams) ⇒ Object 



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# File 'lib/process/cloud/providers/openstack/openstack_create.rb', line 50

def create_rule(hParams)
  required?(hParams, :network_connection)
  required?(hParams, :security_groups)
  hParams[:network_connection].security_group_rules.create(hParams[:hdata])
end

#create_security_groups(hParams) ⇒ Object 



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# File 'lib/process/cloud/providers/openstack/openstack_create.rb', line 19

def create_security_groups(hParams)
  required?(hParams, :network_connection)
  required?(hParams, :tenants)
  required?(hParams, :security_group)

  service = hParams[:network_connection]

  service.security_groups.create(:name => hParams[:security_group],
                                 :tenant_id => hParams[:tenants].id)
end

#create_server(hParams) ⇒ Object 



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# File 'lib/process/cloud/providers/openstack/openstack_create.rb', line 91

def create_server(hParams)
  [:compute_connection, :image,
   :network, :flavor, :keypairs,
   :security_groups, :server_name].each do |required_param|
    required?(hParams, required_param)
  end

  options = {
    :name             => hParams[:server_name],
    :flavor_ref       => hParams[:flavor].id,
    :image_ref        => hParams[:image].id,
    :key_name         => hParams[:keypairs].name,
    :security_groups  => [hParams[:security_groups].name],
    :nics             => [{ :net_id => hParams[:network].id }]
  }

  if hParams[:user_data]
    options[:user_data_encoded] =
      Base64.strict_encode64(hParams[:user_data])
  end
  options[:metadata] = hParams[:meta_data] if hParams[:meta_data]

  compute_connect = hParams[:compute_connection]

  server = compute_connect.servers.create(options)
  compute_connect.servers.get(server.id) if server
end

#create_subnetwork(hParams) ⇒ Object 



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# File 'lib/process/cloud/providers/openstack/openstack_create.rb', line 37

def create_subnetwork(hParams)
  required?(hParams, :network_connection)
  required?(hParams, :network)

  netconn = hParams[:network_connection]
  netconn.subnets.create(
    :network_id => hParams[:network].id,
    :name => hParams[:subnetwork_name],
    :cidr => get_next_subnet(netconn),
    :ip_version => '4'
  )
end

#delete_server(hParams) ⇒ Object 



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# File 'lib/process/cloud/providers/openstack/openstack_delete.rb', line 19

def delete_server(hParams)
  required?(hParams, :compute_connection)
  required?(hParams, :server)

  compute_connect = hParams[:compute_connection]
  server = hParams[:server]

  compute_connect.servers.get(server.id).destroy
end

#get_attr(oControlerObject, key) ⇒ Object 



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# File 'lib/process/cloud/providers/openstack/openstack.rb', line 340

def get_attr(oControlerObject, key)
  if oControlerObject.is_a?(Excon::Response)
    oControlerObject.data.rh_get(:body, key)
  else
    attributes = oControlerObject.attributes
    controller_error "attribute '%s' is unknown in '%s'."\
                     " Valid one are : '%s'",
                     key[0],
                     oControlerObject.class,
                     oControlerObject.class.attributes unless
                     oControlerObject.class.attributes.include?(key[0])
    return attributes.rh_get(key) if attributes.rh_exist?(key)
    _get_instance_attr(oControlerObject, key)
  end
rescue => e
  controller_error "==>Unable to map '%s'. %s", key, e.message
end

#get_next_subnet(oNetworkConnect) ⇒ Object 



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# File 'lib/process/cloud/providers/openstack/openstack_create.rb', line 169

def get_next_subnet(oNetworkConnect)
  subnet_values = []
  subnets = oNetworkConnect.subnets.all

  subnets.each do|s|
    subnet_values.push(s.cidr)
  end

  gap = false
  count = 0
  range_used = []
  new_subnet = 0
  new_cidr = ''

  subnet_values = subnet_values.sort!

  subnet_values.each do|value|
    range_used.push(value[5])
  end

  range_used.each do |n|
    if count.to_i == n.to_i
    else
    new_subnet = count
    gap = true
    break
    end
    count += 1
  end

  if gap
    new_cidr = format('10.0.%s.0/24', count)
  else
    max_value = range_used.max
    new_subnet = max_value.to_i + 1
    new_cidr  = format('10.0.%s.0/24', new_subnet)
  end
  new_cidr
rescue => e
  Logging.error("%s\n%s", e.message, e.backtrace.join("\n"))
end

#get_server_log(hParams, sUniqId) ⇒ Object 



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# File 'lib/process/cloud/providers/openstack/openstack_get.rb', line 37

def get_server_log(hParams, sUniqId)
  required?(hParams, :server)
  hParams[:server].console(sUniqId)
end

#get_service_catalog(body) ⇒ Object

Build service catalog at the following format:

:<type>:

'name': <name>
:<region> : <url>

where:

  • type : Can be :identity, :orchestration, :volume, …

  • name : Is the name of the service like ‘swift’, ‘heat’, ‘cinder’, …

  • region: Is the region name. Can be any string like ‘regionOne’

  • url : is the exposed url of that service

    like https://swift.company.com/v1/HOSP_...

It supports V2/V3 service auth response.



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# File 'lib/process/cloud/providers/openstack/openstack.rb', line 484

def get_service_catalog(body)
  fail 'Unable to parse service catalog.' unless body
  service_catalog = {}
  body.each do |s|
    type = s['type']
    next if type.nil?
    type = type.to_sym
    next if s['endpoints'].nil?
    service_catalog[type] = {}
    # V2/V3 auth output
    service_catalog[type]['name'] = s['name']
    parse_service_catalog_endpoint(s, type, service_catalog)
  end
  service_catalog
end

#get_services(hParams) ⇒ Object

function to return a well formatted data for list of services



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# File 'lib/process/cloud/providers/openstack/openstack.rb', line 408

def get_services(hParams)
  # Fog use URI type for auth uri: URI.parse('credentials#auth_uri')
  # Convert openstack_auth_uri to type URI
  openstack_auth_url = hParams[:hdata][:openstack_auth_url]
  hParams[:hdata][:openstack_auth_uri] = URI.parse(openstack_auth_url)

  case openstack_auth_url
  when /v1(\.\d+)?/
    version = :v1
    body = Fog::OpenStack.retrieve_tokens_v1(hParams[:hdata],
                                             hParams[:excon_opts])
  when /v2(\.\d+)?/
    version = :v2
    body = Fog::OpenStack.retrieve_tokens_v2(hParams[:hdata],
                                             hParams[:excon_opts])
  when /v3(\.\d+)?/
    version = :v3
    body = Fog::OpenStack.retrieve_tokens_v3(hParams[:hdata],
                                             hParams[:excon_opts])
  else
    version = :v2
    body = Fog::OpenStack.retrieve_tokens_v2(hParams[:hdata],
                                             hParams[:excon_opts])
  end
  build_result(version, body)
end

#list_services(sObjectType, oParams) ⇒ Object

This function requires to return an Array of values or nil.



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# File 'lib/process/cloud/providers/openstack/openstack.rb', line 368

def list_services(sObjectType, oParams)
  case sObjectType
  when :services
    # oParams[sObjectType] will provide the controller object.
    # This one can be interpreted only by controller code,
    # except if controller declares how to map with this object.
    # Processes can deal only process mapped data.
    # Currently there is no services process function. No need to map.
    services = oParams[:services]
    if !oParams[:list_services].is_a?(Array)
      service_to_find = [oParams[:list_services]]
    else
      service_to_find = oParams[:list_services]
    end
    # Search for service. Ex: Can be :Networking or network. I currently do
    # not know why...
    search_services = services.rh_get(:service_catalog)
    service = nil
    service_to_find.each do |sServiceElem|
      if search_services.key?(sServiceElem)
        service = sServiceElem
        break
      end
    end

    controller_error 'Unable to find services %s',
                     service_to_find if service.nil?
    result = services.rh_get(:service_catalog, service).keys
    result.delete('name')
    result.each_index do |iIndex|
      result[iIndex] = result[iIndex].to_s if result[iIndex].is_a?(Symbol)
    end
    return result
  else
    controller_error "'%s' is not a valid object for 'list_services'",
                     sObjectType
  end
end

#parse_service_catalog_endpoint(s, type, service_catalog) ⇒ Object

function which read a list of endpoints of a service to extract the url

v2: Get ‘endpoints’[]/‘publicURL’ v3: Get ‘endpoints’[]/‘url’ if ‘endpoints’[]/‘interface’ == ‘public’



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# File 'lib/process/cloud/providers/openstack/openstack.rb', line 504

def parse_service_catalog_endpoint(s, type, service_catalog)
  s['endpoints'].each do |ep|
    next if ep['region'].nil?

    if ep['interface'] == 'public' # V3 auth output
      service_catalog[type][ep['region'].to_sym] = ep['url']
      break
    end

    next if ep['publicURL'].nil? || ep['publicURL'].empty?
    # V2 auth output
    service_catalog[type][ep['region'].to_sym] = ep['publicURL']
    break
  end
end

#query_security_groups(hParams, query) ⇒ Object 



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# File 'lib/process/cloud/providers/openstack/openstack_query.rb', line 89

def query_security_groups(hParams, query)
  required?(hParams, :network_connection)
  required?(hParams, :tenants)

  query[:tenant_id] = hParams[:tenants].id
  hParams[:network_connection].send(:security_groups).all query
end

#set_attr(oControlerObject, key, value) ⇒ Object 



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# File 'lib/process/cloud/providers/openstack/openstack.rb', line 321

def set_attr(oControlerObject, key, value)
  if oControlerObject.is_a?(Excon::Response)
    controller_error "No set feature for '%s'", oControlerObject.class
  end

  attributes = oControlerObject.attributes

  controller_error "attribute '%s' is unknown in '%s'. Valid one are : '%s'",
                   key[0],
                   oControlerObject.class,
                   oControlerObject.class.attributes unless
                   oControlerObject.class.attributes.include?(key[0])

  attributes.rh_set(value, key)
rescue => e
  controller_error "Unable to map '%s' on '%s'. %s",
                   key, oControlerObject, e.message
end

#update_router(obj_to_save, _hParams) ⇒ Object 



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# File 'lib/process/cloud/providers/openstack/openstack_update.rb', line 19

def update_router(obj_to_save, _hParams)
  router = obj_to_save[:object]
  # The optional external_gateway_info must be a The network_id for the
  # external gateway. It cannot be a Hash
  # See API : http://developer.openstack.org/api-ref-networking-v2.html
  router.external_gateway_info = router.external_gateway_info['network_id']
  # Save will restore the Hash.
  begin
    router.save
    true
  rescue => e
    Lorj.error "OpenStack: Router save error.\n%s\n%s",
               e.message, e.backtrace.join("\n")
    false
  end
end