125 lines
4.2 KiB
Python
125 lines
4.2 KiB
Python
# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Monasca-Statsd is a Python client for Statsd that adds dimensions.
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"""
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from monascastatsd.connection import Connection
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from monascastatsd.counter import Counter
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from monascastatsd.gauge import Gauge
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from monascastatsd.histogram import Histogram
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from monascastatsd.set import Set
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from monascastatsd.timer import Timer
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class Client(object):
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def __init__(self, name=None, connection=None, max_buffer_size=50, dimensions=None):
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"""Initialize a Client object.
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>>> monascastatsd = MonascaStatsd()
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:name: the name for this client. Everything sent by this client
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will be prefixed by name
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:param host: the host of the MonascaStatsd server.
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:param port: the port of the MonascaStatsd server.
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:param max_buffer_size: Maximum number of metric to buffer before
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sending to the server if sending metrics in batch
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"""
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if connection is None:
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self.connection = Connection(host='localhost',
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port=8125,
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max_buffer_size=50)
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else:
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self.connection = connection
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self._dimensions = dimensions
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self._name = name
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def get_counter(self, name, connection=None, dimensions=None):
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"""Gets a Counter object.
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"""
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if connection is None:
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connection = self.connection
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return Counter(name=self._update_name(name),
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connection=connection,
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dimensions=self._update_dimensions(dimensions))
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def get_gauge(self, name=None, connection=None, dimensions=None):
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"""Gets a Gauge object.
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"""
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if connection is None:
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connection = self.connection
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return Gauge(name=self._update_name(name),
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connection=connection,
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dimensions=self._update_dimensions(dimensions))
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def get_histogram(self, name=None, connection=None, dimensions=None):
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"""Gets a Histogram object.
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"""
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if connection is None:
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connection = self.connection
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return Histogram(name=self._update_name(name),
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connection=connection,
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dimensions=self._update_dimensions(dimensions))
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def get_set(self, name=None, connection=None, dimensions=None):
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"""Gets a Set object.
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"""
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if connection is None:
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connection = self.connection
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return Set(name=self._update_name(name),
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connection=connection,
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dimensions=self._update_dimensions(dimensions))
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def get_timer(self, name=None, connection=None, dimensions=None):
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"""Gets a Timer object.
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"""
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if connection is None:
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connection = self.connection
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return Timer(name=self._update_name(name),
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connection=connection,
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dimensions=self._update_dimensions(dimensions))
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def _update_name(self, name):
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"""Update the metric name with the client
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name that was passed in on instantiation.
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"""
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if self._name:
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metric = self._name
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if name:
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metric = metric + "." + name
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else:
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metric = name
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return metric
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def _update_dimensions(self, dimensions):
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"""Update the dimensions list with the default
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dimensions that were passed in on instantiation.
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"""
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if self._dimensions:
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new_dimensions = self._dimensions.copy()
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else:
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new_dimensions = {}
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if dimensions:
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new_dimensions.update(dimensions)
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return new_dimensions
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