Class: Bosh::Director::Models::DirectorAttribute

Inherits:
Object
  • Object
show all
Defined in:
lib/bosh/director/models/director_attribute.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.find_or_create_uuid(logger) ⇒ Object 



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# File 'lib/bosh/director/models/director_attribute.rb', line 7

def self.find_or_create_uuid(logger)
  uuid = first(name: 'uuid')
  if uuid
    logger.info("Found uuid director attribute with value=#{uuid.value.inspect}")
    return uuid.value
  end

  begin
    uuid = create(name: 'uuid', value: SecureRandom.uuid)
    logger.info("Created uuid director attribute with value=#{uuid.value.inspect}")
    uuid.value
  rescue Sequel::DatabaseError => e
    # Database will throw an error in case of race condition
    # causing multiple uuid records being inserted
    logger.info("Failed to create uuid director attribute e=#{e.inspect}\n#{e.backtrace}")

    uuid = first(name: 'uuid')
    logger.info("Found uuid director attribute with value=#{uuid.value.inspect}")
    uuid.value
  end
end

.update_or_create_uuid(value, logger) ⇒ Object 



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# File 'lib/bosh/director/models/director_attribute.rb', line 34

def self.update_or_create_uuid(value, logger)
  if where(name: 'uuid').update(value: value) == 0
    create(name: 'uuid', value: value)
    logger.info("Created uuid director attribute with value=#{value.inspect}")
  else
    logger.info("Updated uuid director attribute with value=#{value.inspect}")
  end
  value
end

.uuid ⇒ Object 



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# File 'lib/bosh/director/models/director_attribute.rb', line 29

def self.uuid
  uuid = first(name: 'uuid')
  return uuid.value if uuid
end

Instance Method Details

#validate ⇒ Object 



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# File 'lib/bosh/director/models/director_attribute.rb', line 3

def validate
  validates_presence :name
end