def get_zone(self, params):
if not params.get('zone', None):
prop = StringProperty(name='zone', verbose_name='Computing Availability Zone',
choices=self.computing.get_all_zones)
params['zone'] = propget.get(prop)
def get_quantity(self, params):
if not params.get('quantity', None):
prop = IntegerProperty(name='quantity', verbose_name='Number of Instances')
params['quantity'] = propget.get(prop)
def get_region(self, params):
if not params.get('region', None):
prop = StringProperty(name='region', verbose_name='Computing Region',
choices=niftycloud.computing.regions)
params['region'] = propget.get(prop, choices=niftycloud.computing.regions)
def get_instance_type(self, params):
if not params.get('instance_type', None):
prop = StringProperty(name='instance_type', verbose_name='Instance Type',
choices=InstanceTypes)
params['instance_type'] = propget.get(prop)
def get(self, params):
self.get_region(params)
self.computing = params['region'].connect()
self.get_instance_type(params)
self.get_zone(params)
self.get_quantity(params)
if __name__ == "__main__":
obj = BuyReservation()
params = {}
obj.get(params)
offerings = obj.computing.get_all_reserved_instances_offerings(instance_type=params['instance_type'],
availability_zone=params['zone'].name)
print('\nThe following Reserved Instances Offerings are available:\n')
for offering in offerings:
offering.describe()
prop = StringProperty(name='offering', verbose_name='Offering',
choices=offerings)
offering = propget.get(prop)
print('\nYou have chosen this offering:')
offering.describe()
unit_price = float(offering.fixed_price)
total_price = unit_price * params['quantity']
print('!!! You are about to purchase %d of these offerings for a total of $%.2f !!!' % (params['quantity'], total_price))
answer = six.moves.input('Are you sure you want to do this? If so, enter YES: ')
if answer.strip().lower() == 'yes':
offering.purchase(params['quantity'])
else:
print('Purchase cancelled')