Class: OpenstackController

Inherits:
Object show all
Defined in:
lib/providers/openstack/openstack.rb,
lib/providers/openstack/openstack_get.rb,
lib/providers/openstack/openstack_query.rb,
lib/providers/openstack/openstack_create.rb,
lib/providers/openstack/openstack_delete.rb,
lib/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/providers/openstack/openstack.rb', line 226

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/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/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/providers/openstack/openstack.rb', line 189

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/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/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/providers/openstack/openstack.rb', line 214

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/providers/openstack/openstack.rb', line 202

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

#allocate_new_ip(compute_connect) ⇒ Object 



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# File 'lib/providers/openstack/openstack_create.rb', line 153

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

#connect(sObjectType, hParams) ⇒ Object 



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# File 'lib/providers/openstack/openstack.rb', line 241

def connect(sObjectType, hParams)
  case sObjectType
  when :services
    # Fog use URI type for auth uri: URI.parse(:auth_uri)
    # Convert openstack_auth_uri to type URI
    hParams[:hdata][:openstack_auth_uri] =
        URI.parse(hParams[:hdata][:openstack_auth_uri])
    retrieve_result =
        Fog::OpenStack.retrieve_tokens_v2(hParams[:hdata],
                                          hParams[:excon_opts])
    creds = format_retrieve_result(retrieve_result)
    return creds
  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/providers/openstack/openstack_create.rb', line 79

def create_keypairs(hParams)
  required?(hParams, :compute_connection)
  required?(hParams, :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[:keypair_name],
                           :public_key => hParams[:public_key])
end

#create_network(hParams) ⇒ Object 



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# File 'lib/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/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)
  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/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/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/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/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/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/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/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/providers/openstack/openstack.rb', line 283

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)
    return oControlerObject.send(key[0]) if key.length == 1
    oControlerObject.send(key[0]).rh_get(key[1..-1])
  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/providers/openstack/openstack_create.rb', line 164

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/providers/openstack/openstack_get.rb', line 35

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

#query_security_groups(hParams, query) ⇒ Object 



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# File 'lib/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/providers/openstack/openstack.rb', line 264

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/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