def add_rds_instance()

in playbooks/edx-east/ec2.py [0:0]

• 38 lines of code
• 5 McCabe index (conditional complexity)

    def add_rds_instance(self, instance, region):
        ''' Adds an RDS instance to the inventory and index, as long as it is
        addressable '''

        # Only want available instances
        if instance.status != 'available':
            return

        # Select the best destination address
        #if instance.subnet_id:
            #dest = getattr(instance, self.vpc_destination_variable)
        #else:
            #dest =  getattr(instance, self.destination_variable)
        dest = instance.endpoint[0]

        if not dest:
            # Skip instances we cannot address (e.g. private VPC subnet)
            return

        # Add to index
        self.index[dest] = [region, instance.id]

        # Inventory: Group by instance ID (always a group of 1)
        self.inventory[instance.id] = [dest]

        # Inventory: Group by region
        self.push(self.inventory, region, dest)

        # Inventory: Group by availability zone
        self.push(self.inventory, instance.availability_zone, dest)

        # Inventory: Group by instance type
        self.push(self.inventory, self.to_safe('type_' + instance.instance_class), dest)

        # Inventory: Group by security group
        try:
            if instance.security_group:
                key = self.to_safe("security_group_" + instance.security_group.name)
                self.push(self.inventory, key, dest)
        except AttributeError:
            print 'Package boto seems a bit older.'
            print 'Please upgrade boto >= 2.3.0.'
            sys.exit(1)

        # Inventory: Group by engine
        self.push(self.inventory, self.to_safe("rds_" + instance.engine), dest)

        # Inventory: Group by parameter group
        self.push(self.inventory, self.to_safe("rds_parameter_group_" + instance.parameter_group.name), dest)