def update(instance_id):
updateable_params = ('AllocatedStorage',)
incompletes = bottle.request.query.getone('accepts_incomplete')
bottle.response.content_type = 'application/json'
if incompletes is None:
return _abort_async_required()
data = json.loads(bottle.request.body.read())
for param in data['parameters'].keys():
if param not in updateable_params:
bottle.response.status = 400
msg = 'Updating of {0} is not supported'.format(param)
return json.dumps({'description': msg})
dynamodb = utils.boto3_session(**CONFIG['aws']).resource('dynamodb')
table = dynamodb.Table(name=CONFIG['dynamodb_table'])
record = table.get_item(Key={'instance_id': instance_id})
if 'Item' not in record.keys():
bottle.response.status = 410
return json.dumps({})
else:
record = record.pop('Item')
rds = RDS(DBInstanceIdentifier=record['hostname'], **CONFIG['aws'])
details = rds.db_instance_details()
if data['parameters']['AllocatedStorage'] <= details['AllocatedStorage']:
bottle.response.status = 400
return json.dumps({
'description': 'Decreasing AllocatedStorage is not supported.'
})
rds.update_instance(
DBInstanceIdentifier=record['hostname'],
**data['parameters']
)
for i in xrange(0,10):
details = rds.db_instance_details()
if details['DBInstanceStatus'] != 'available':
break
sleep(5)
else:
bottle.response.status = 408
return json.dumps({})
record['last_operation'] = 'update'
record['parameters'] = data['parameters']
table.put_item(Item=record)
bottle.response.status = 202
return json.dumps({})
def update_polling(record):
"""Last operation polling logic for update action.
"""
rds = RDS(DBInstanceIdentifier=record['hostname'], **CONFIG['aws'])
details = rds.db_instance_details()
if details['DBInstanceStatus'] != 'available':
response = {'state': 'in progress', 'description': 'Updating service.'}
bottle.response.status = 200
return json.dumps(response)
else:
response = {'state': 'succeeded', 'description': 'Service updated.'}
bottle.response.status = 200
return json.dumps(response)
