Class: HpcloudController

Inherits:
Object
  • Object
show all
Defined in:
lib/process/cloud/providers/hpcloud/hpcloud.rb,
lib/process/cloud/providers/hpcloud/hpcloud_query.rb,
lib/process/cloud/providers/hpcloud/hpcloud_generic.rb,
lib/process/cloud/providers/hpcloud/hpcloud_refresh.rb

Overview

Defined Openstack object refresh.

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/hpcloud/hpcloud.rb', line 76

def self.base_method(crud_type)
  define_method(crud_type) do |sObjectType, p1|
    method_name = "#{crud_type}_#{sObjectType}"
    if self.class.method_defined? method_name
      send(method_name, p1)
    else
      controller_error "'%s' is not a valid object for '%s'",
                       sObjectType, crud_type
    end
  end
end

.def_cruds(*crud_types) ⇒ Object

Ready to convert the controller in more maintainable code Only refresh is currently used.



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# File 'lib/process/cloud/providers/hpcloud/hpcloud.rb', line 39

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

.def_query(requires, name, property_name = nil) ⇒ Object

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

  • Regexp

  • simple value equality



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# File 'lib/process/cloud/providers/hpcloud/hpcloud_query.rb', line 51

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

  define_method("query_#{name}") do |hParams, query|
    requires = [requires] unless requires.is_a?(Array)
    requires.each { |r| required?(hParams, r) }

    connection = requires[0]

    yield hParams, query if block_given?

    func = hParams[connection].send(property_name).method(:all)
    objects = _compat_query(func, __method__, query)
    # Uses :[] or :<key> to match object and query attr.
    Lorj.debug(4, "'%s' gets %d records", __method__, objects.length)
    # Return the select objects.
    ctrl_query_each objects, query, :before => method(:refresh_bef),
                                    :after => method(:refresh_aft)
  end
end

.def_refresh(name) ⇒ Object 



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# File 'lib/process/cloud/providers/hpcloud/hpcloud_refresh.rb', line 19

def self.def_refresh(name)
  define_method("refresh_#{name}") do |object|
    if object.class.method_defined?(:reload)
      begin
        object.reload
      rescue => e
        PrcLib.error("'%s': %s", object.class, e)
        ret = false
      else
        ret = true
      end
    end
    # Uses :[] or :<key> to match object and query attr.
    Lorj.debug(4, "'%s' refreshed '%s'", __method__, object.class)
    ret
  end
end

.query_method(crud_type) ⇒ Object 



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# File 'lib/process/cloud/providers/hpcloud/hpcloud.rb', line 64

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/hpcloud/hpcloud.rb', line 52

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

#_compat_query(func, cur_method, query) ⇒ Object 



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# File 'lib/process/cloud/providers/hpcloud/hpcloud_query.rb', line 72

def _compat_query(func, cur_method, query)
  # Ruby 1.9.2 introduce Method.parameters.
  if RUBY_VERSION < '1.9.2'
    Lorj.debug(4, "RUBY '%s': '%s' try Openstack API filter feature.",
               RUBY_VERSION, cur_method)
    begin
      objects = func.call ctrl_query_select(query, String)
    rescue
      Lorj.debug(4, "RUBY '%s': '%s' No filter parameter.",
                 RUBY_VERSION, cur_method)
      objects = func.call
    end
  else
    if func.parameters.length > 0
      Lorj.debug(4, "'%s' uses Openstack API filter feature.", cur_method)
      objects = func.call ctrl_query_select(query, String)
    else
      objects = func.call
    end
  end
  objects
end

#_get_instance_attr(oControlerObject, key) ⇒ Object 



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# File 'lib/process/cloud/providers/hpcloud/hpcloud.rb', line 272

def _get_instance_attr(oControlerObject, key)
  found, ret = _server_metadata_get(oControlerObject, key[0])
  found, ret = _get_from(oControlerObject, key[0]) unless found

  unless found
    Lorj.debug(4, "Unable to get '%s' from '%s'. Attribute inexistent.",
               key[0], oControlerObject.class)
    return nil
  end

  return ret if key.length == 1 || !ret.is_a?(Hash)
  ret.rh_get(key[1..-1])
end

#_server_metadata_get(oControlerObject, key) ⇒ Object 



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# File 'lib/process/cloud/providers/hpcloud/hpcloud.rb', line 261

def _server_metadata_get(oControlerObject, key)
  return [false, nil] unless key == :metadata
  ret = {}
  oControlerObject.metadata.each do |m|
    k = m.attributes[:key]
    v = m.attributes[:value]
    ret[k] = v
  end
  [true, ret]
end

#connect(sObjectType, hParams) ⇒ Object 



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# File 'lib/process/cloud/providers/hpcloud/hpcloud.rb', line 92

def connect(sObjectType, hParams)
  case sObjectType
  when :services
    Fog::HP.authenticate_v2(hParams[:hdata], hParams[:excon_opts])
  when :compute_connection
    Fog::Compute.new hParams[:hdata].merge(:provider => :hp, :version => 'v2')
  when :network_connection
    Fog::HP::Network.new(hParams[:hdata])
  else
    controller_error "'%s' is not a valid object for 'connect'", sObjectType
  end
end

#create(sObjectType, hParams) ⇒ Object

Create controller for Hpcloud



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# File 'lib/process/cloud/providers/hpcloud/hpcloud.rb', line 108

def create(sObjectType, hParams)
  case sObjectType
  when :public_ip
    required?(hParams, :compute_connection)
    required?(hParams, :server)
    HPCompute.server_assign_address(hParams[:compute_connection],
                                    hParams[:server])
  when :server
    required?(hParams, :compute_connection)
    required?(hParams, :image)
    required?(hParams, :network)
    required?(hParams, :flavor)
    required?(hParams, :keypairs)
    required?(hParams, :security_groups)
    required?(hParams, :server_name)

    options = {
      :name => hParams[:server_name],
      :flavor_id => hParams[:flavor].id,
      :image_id => hParams[:image].id,
      :key_name => hParams[:keypairs].name,
      :security_groups => [hParams[:security_groups].name],
      :networks => [hParams[:network].id]
    }

    HPCompute.create_server(hParams[:compute_connection], options,
                            hParams[:user_data], hParams[:meta_data])
  when :image
    required?(hParams, :compute_connection)
    required?(hParams, 'server#image_name')

    HPCompute.get_image(hParams[:compute_connection],
                        hParams['server#image_name'])
  when :network
    required?(hParams, :network_connection)
    required?(hParams, :network_name)

    HPNetwork.create_network(hParams[:network_connection],
                             hParams[:network_name])
  when :subnetwork
    required?(hParams, :network_connection)
    required?(hParams, :network)
    required?(hParams, :subnetwork_name)

    HPNetwork.create_subnetwork(hParams[:network_connection],
                                hParams[:network],
                                hParams[:subnetwork_name])
  when :security_groups
    required?(hParams, :network_connection)
    required?(hParams, :security_group)

    HPSecurityGroups.create_sg(hParams[:network_connection],
                               hParams[:security_group], hParams[:sg_desc])
  when :keypairs
    required?(hParams, :compute_connection)
    required?(hParams, 'credentials#keypair_name')
    required?(hParams, :public_key)

    HPKeyPairs.create_keypair(hParams[:compute_connection],
                              hParams['credentials#keypair_name'],
                              hParams[:public_key])
  when :router
    required?(hParams, :network_connection)
    required?(hParams, :router_name)

    # Forcelly used admin_status_up to true.
    hParams[:hdata] = hParams[:hdata].merge(:admin_state_up => true)

    HPNetwork.create_router(hParams[:network_connection], hParams[:hdata])
  when :rule
    required?(hParams, :network_connection)
    required?(hParams, :security_groups)
    HPSecurityGroups.create_rule(hParams[:network_connection],
                                 hParams[:hdata])
  when :router_interface
    required?(hParams, :router)
    required?(hParams, :subnetwork)
    HPNetwork.add_interface(hParams[:router], hParams[:subnetwork])
  else
    controller_error "'%s' is not a valid object for 'create'", sObjectType
  end
end

#delete(sObjectType, hParams) ⇒ Object

rubocop: enable CyclomaticComplexity, MethodLength



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# File 'lib/process/cloud/providers/hpcloud/hpcloud.rb', line 193

def delete(sObjectType, hParams)
  case sObjectType
  when :network
    HPNetwork.delete_network(hParams[:network_connection],
                             hParams[:network])
  when :rule
    HPSecurityGroups.delete_rule(hParams[:network_connection],
                                 hParams[:id])
    obj = hParams[:network_connection]
    obj.security_group_rules.get(hParams[:id]).destroy
  when :server
    required?(hParams, :compute_connection)
    required?(hParams, :server)
    HPCompute.delete_server(hParams[:compute_connection],
                            hParams[:server])
  end
end

#get(sObjectType, sUniqId, hParams) ⇒ Object

rubocop: disable CyclomaticComplexity,



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# File 'lib/process/cloud/providers/hpcloud/hpcloud.rb', line 212

def get(sObjectType, sUniqId, hParams)
  case sObjectType
  when :server_log
    required?(hParams, :server)

    hParams[:server].console_output(sUniqId)
  when :server
    required?(hParams, :compute_connection)
    HPCompute.get_server(hParams[:compute_connection], sUniqId)
  when :image
    required?(hParams, :compute_connection)
    HPCompute.get_image(hParams[:compute_connection], sUniqId)
  when :network
    required?(hParams, :network_connection)
    HPNetwork.get_network(hParams[:network_connection], sUniqId)
  when :keypairs
    required?(hParams, :compute_connection)
    HPKeyPairs.get_keypair(hParams[:compute_connection], sUniqId)
  when :public_ip
    required?(hParams, :compute_connection)
    required?(hParams, :server)
    HPCompute.get_server_assigned_address(hParams[:compute_connection],
                                          sUniqId)
  else
    forjError "'%s' is not a valid object for 'get'", sObjectType
  end
end

#get_attr(oControlerObject, key) ⇒ Object 



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# File 'lib/process/cloud/providers/hpcloud/hpcloud.rb', line 251

def get_attr(oControlerObject, key)
  if oControlerObject.is_a?(Excon::Response)
    oControlerObject.data.rh_get(:body, key)
  else
    _get_instance_attr(oControlerObject, key)
  end
rescue => e
  controller_error "Unable to map '%s'. %s", key, e.message
end

#get_services(sObjectType, oParams) ⇒ Object

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



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# File 'lib/process/cloud/providers/hpcloud/hpcloud.rb', line 316

def get_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 'get_services'",
                     sObjectType
  end
end

#query_each(oFogObject) ⇒ Object

rubocop: enable CyclomaticComplexity



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# File 'lib/process/cloud/providers/hpcloud/hpcloud.rb', line 241

def query_each(oFogObject)
  case oFogObject.class.to_s
  when 'Fog::HP::Network::Networks'
    oFogObject.each { |value| yield(value) }
  else
    controller_error "'%s' is not a valid list for 'each'",
                     oFogObject.class
  end
end

#refresh_aft(*p) ⇒ Object 



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# File 'lib/process/cloud/providers/hpcloud/hpcloud_query.rb', line 34

def refresh_aft(*p)
  o = p[0]
  selected = p[2]
  return selected unless o.is_a?(Fog::Compute::HPV2::Server)

  if selected && o.class.method_defined?(:created_at) && o.created_at.nil?
    o.reload
    Lorj.debug(3, '#refresh_bef: Object refreshed')
  end
  selected
end

#refresh_bef(*p) ⇒ Object

Ensure all data are loaded.



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# File 'lib/process/cloud/providers/hpcloud/hpcloud_query.rb', line 20

def refresh_bef(*p)
  o = p[0]
  return true unless o.is_a?(Fog::Compute::HPV2::Server)

  query = p[1]
  return true if query.is_a?(Hash) &&
                 (query.keys - [:id, :name, 'id', 'name']).empty?
  if o.class.method_defined?(:created_at) && o.created_at.nil?
    Lorj.debug(3, '#refresh_bef: Object refreshed')
    o.reload
  end
  true
end

#set_attr(oControlerObject, key, value) ⇒ Object 



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# File 'lib/process/cloud/providers/hpcloud/hpcloud.rb', line 286

def set_attr(oControlerObject, key, value)
  controller_class = oControlerObject.class

  controller_error "No set feature for '%s'",
                   controller_class if oControlerObject.is_a?(Excon::Response)

  attributes = oControlerObject.attributes
  def_attributes = oControlerObject.class.attributes
  controller_error "attribute '%s' is unknown in '%s'. Valid one are : '%s'",
                   key[0], oControlerObject.class,
                   def_attributes unless def_attributes.include?(key[0])
  attributes.rh_set(value, key)
rescue => e
  controller_error "Unable to map '%s' on '%s'\n%s",
                   key, sObjectType, e.message
end

#update(sObjectType, oObject, _hParams) ⇒ Object 



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# File 'lib/process/cloud/providers/hpcloud/hpcloud.rb', line 303

def update(sObjectType, oObject, _hParams)
  case sObjectType
  when :router
    controller_error 'Object to update is nil' if oObject.nil?

    HPNetwork.update_router(oObject[:object])
  else
    controller_error "'%s' is not a valid list for 'update'",
                     oFogObject.class
  end
end