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# 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.
#
from boto.ec2.cloudwatch.alarm import MetricAlarm
from boto.ec2.cloudwatch.dimension import Dimension
class Metric(object):
Statistics = ['Minimum', 'Maximum', 'Sum', 'Average', 'SampleCount']
Units = ['Seconds', 'Microseconds', 'Milliseconds', 'Bytes', 'Kilobytes',
'Megabytes', 'Gigabytes', 'Terabytes', 'Bits', 'Kilobits',
'Megabits', 'Gigabits', 'Terabits', 'Percent', 'Count',
'Bytes/Second', 'Kilobytes/Second', 'Megabytes/Second',
'Gigabytes/Second', 'Terabytes/Second', 'Bits/Second',
'Kilobits/Second', 'Megabits/Second', 'Gigabits/Second',
'Terabits/Second', 'Count/Second', None]
def __init__(self, connection=None):
self.connection = connection
self.name = None
self.namespace = None
self.dimensions = None
def __repr__(self):
return 'Metric:%s' % self.name
def startElement(self, name, attrs, connection):
if name == 'Dimensions':
self.dimensions = Dimension()
return self.dimensions
def endElement(self, name, value, connection):
if name == 'MetricName':
self.name = value
elif name == 'Namespace':
self.namespace = value
else:
setattr(self, name, value)
def query(self, start_time, end_time, statistics, unit=None, period=60):
if not isinstance(statistics, list):
statistics = [statistics]
return self.connection.get_metric_statistics(period,
start_time,
end_time,
self.name,
self.namespace,
statistics,
self.dimensions,
unit)
def create_alarm(self, name, comparison, threshold,
period, evaluation_periods,
statistic, enabled=True, description=None,
dimensions=None, alarm_actions=None, ok_actions=None,
insufficient_data_actions=None, unit=None):
if not dimensions:
dimensions = self.dimensions
alarm = MetricAlarm(self.connection, name, self.name,
self.namespace, statistic, comparison,
threshold, period, evaluation_periods,
unit, description, dimensions,
alarm_actions, insufficient_data_actions,
ok_actions)
if self.connection.put_metric_alarm(alarm):
return alarm
def describe_alarms(self, period=None, statistic=None,
dimensions=None, unit=None):
return self.connection.describe_alarms_for_metric(self.name,
self.namespace,
period,
statistic,
dimensions,
unit)
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