/boto-2.5.2/boto/ec2/elb/healthcheck.py
Python | 87 lines | 44 code | 6 blank | 37 comment | 7 complexity | bbec381b285030c52f629bacfcab0e1c MD5 | raw file
- # Copyright (c) 2006-2009 Mitch Garnaat http://garnaat.org/
- #
- # Permission is hereby granted, free of charge, to any person obtaining a
- # copy of this software and associated documentation files (the
- # "Software"), to deal in the Software without restriction, including
- # without limitation the rights to use, copy, modify, merge, publish, dis-
- # tribute, sublicense, and/or sell copies of the Software, and to permit
- # persons to whom the Software is furnished to do so, subject to the fol-
- # lowing conditions:
- #
- # The above copyright notice and this permission notice shall be included
- # in all copies or substantial portions of the Software.
- #
- # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- # OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
- # ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
- # SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- # WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- # IN THE SOFTWARE.
- class HealthCheck(object):
- """
- Represents an EC2 Access Point Health Check. See
- :ref:`elb-configuring-a-health-check` for a walkthrough on configuring
- load balancer health checks.
- """
- def __init__(self, access_point=None, interval=30, target=None,
- healthy_threshold=3, timeout=5, unhealthy_threshold=5):
- """
- :ivar str access_point: The name of the load balancer this
- health check is associated with.
- :ivar int interval: Specifies how many seconds there are between
- health checks.
- :ivar str target: Determines what to check on an instance. See the
- Amazon HealthCheck_ documentation for possible Target values.
- .. _HealthCheck: http://docs.amazonwebservices.com/ElasticLoadBalancing/latest/APIReference/API_HealthCheck.html
- """
- self.access_point = access_point
- self.interval = interval
- self.target = target
- self.healthy_threshold = healthy_threshold
- self.timeout = timeout
- self.unhealthy_threshold = unhealthy_threshold
- def __repr__(self):
- return 'HealthCheck:%s' % self.target
- def startElement(self, name, attrs, connection):
- return None
- def endElement(self, name, value, connection):
- if name == 'Interval':
- self.interval = int(value)
- elif name == 'Target':
- self.target = value
- elif name == 'HealthyThreshold':
- self.healthy_threshold = int(value)
- elif name == 'Timeout':
- self.timeout = int(value)
- elif name == 'UnhealthyThreshold':
- self.unhealthy_threshold = int(value)
- else:
- setattr(self, name, value)
- def update(self):
- """
- In the case where you have accessed an existing health check on a
- load balancer, this method applies this instance's health check
- values to the load balancer it is attached to.
- .. note:: This method will not do anything if the :py:attr:`access_point`
- attribute isn't set, as is the case with a newly instantiated
- HealthCheck instance.
- """
- if not self.access_point:
- return
- new_hc = self.connection.configure_health_check(self.access_point, self)
- self.interval = new_hc.interval
- self.target = new_hc.target
- self.healthy_threshold = new_hc.healthy_threshold
- self.unhealthy_threshold = new_hc.unhealthy_threshold
- self.timeout = new_hc.timeout