mirror of
https://github.com/sprockets/sprockets.mixins.metrics.git
synced 2024-11-24 11:19:54 +00:00
Clean up docs/environment etc.
This commit is contained in:
Dave Shawley
parent
abfd14d0f0
commit
31db53a6a1
3 changed files with 88 additions and 45 deletions
59
README.rst
59
README.rst
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@ -11,29 +11,68 @@ Adjust counter and timer metrics in InfluxDB or Graphite using the same API.
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class MyHandler(metrics.StatsdMixin, mediatype.ContentMixin,
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web.RequestHandler):
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def initialize(self):
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super(MyHandler, self).initialize()
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self.db = queries.TornadoSession(os.environ['MY_PGSQL_DSN'])
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def initialize(self):
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super(MyHandler, self).initialize()
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self.db = queries.TornadoSession(os.environ['MY_PGSQL_DSN'])
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@gen.coroutine
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def get(self, obj_id):
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with self.execution_timer('dbquery.get'):
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result = yield self.db.query('SELECT * FROM foo WHERE id=%s',
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obj_id)
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self.send_response(result)
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@gen.coroutine
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def get(self, obj_id):
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with self.execution_timer('dbquery', 'get'):
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result = yield self.db.query('SELECT * FROM foo WHERE id=%s',
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obj_id)
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self.send_response(result)
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This simple handler will emit a timer metric that identifies each call to the
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``get`` method as well as a separate metric for the database query. Switching
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from using `statsd`_ to `InfluxDB`_ is simply a matter of switch from the
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``metrics.StatsdMixin`` to the ``metrics.InfluxDBMixin``.
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The mix-in is configured through the ``tornado.web.Application`` settings
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property using a key defined by the specific mix-in. The following snippet
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configures the StatsD mix-in from common environment variables:
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.. code-block:: python
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import os
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from sprockets.mixins import metrics
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from tornado import web
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def make_application():
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settings = {
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metrics.StatsdMixin.SETTINGS_KEY: {
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'namespace': 'my-application',
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'host': os.environ.get('STATSD_HOST', '127.0.0.1'),
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'port': os.environ.get('STATSD_PORT', '8125'),
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}
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}
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return web.Application([
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# insert handlers here
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], **settings)
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Development Quickstart
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----------------------
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.. code-block:: bash
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$ python3.4 -mvenv env
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$ env/bin/pip install -r requires/development.txt
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$ . ./env/bin/activate
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(env)$ pip install -r requires/development.txt
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(env)$ nosetests
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test_that_cached_socket_is_used (tests.StatsdMethodTimingTests) ... ok
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test_that_counter_accepts_increment_value (tests.StatsdMethodTimingTests) ... ok
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test_that_counter_increment_defaults_to_one (tests.StatsdMethodTimingTests) ... ok
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test_that_default_prefix_is_stored (tests.StatsdMethodTimingTests) ... ok
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test_that_execution_timer_records_time_spent (tests.StatsdMethodTimingTests) ... ok
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test_that_http_method_call_is_recorded (tests.StatsdMethodTimingTests) ... ok
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----------------------------------------------------------------------
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Ran 6 tests in 1.089s
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OK
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(env)$ ./setup.py build_sphinx -q
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running build_sphinx
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(env)$ open build/sphinx/html/index.html
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.. _statsd: https://github.com/etsy/statsd
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.. _InfluxDB: https://influxdata.com
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@ -11,7 +11,7 @@ run the test suite, update the documentation, and everything else that is
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involved in contributing. The easiest way to do that is to create a virtual
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environment for your endevours::
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$ virtualenv -p python2.7 env
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$ python3.4 -mvenv env
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Don't worry about writing code against previous versions of Python unless
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you you don't have a choice. That is why we run our tests through `tox`_.
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@ -45,53 +45,48 @@ installed python version and report not only the test result but the
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test coverage as well::
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$ ./setup.py nosetests
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running nosetests
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running egg_info
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writing dependency_links to sprockets.http.egg-info/dependency_links.txt
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writing top-level names to sprockets.http.egg-info/top_level.txt
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writing sprockets.http.egg-info/PKG-INFO
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reading manifest file 'sprockets.http.egg-info/SOURCES.txt'
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writing sprockets.mixins.metrics.egg-info/PKG-INFO
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writing top-level names to sprockets.mixins.metrics.egg-info/top_level.txt
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writing dependency_links to sprockets.mixins.metrics.egg-info/dependency_links.txt
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writing namespace_packages to sprockets.mixins.metrics.egg-info/namespace_packages.txt
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reading manifest file 'sprockets.mixins.metrics.egg-info/SOURCES.txt'
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reading manifest template 'MANIFEST.in'
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warning: no previously-included files matching '__pycache__'...
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warning: no previously-included files matching '*.swp' found ...
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writing manifest file 'sprockets.http.egg-info/SOURCES.txt'
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...
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Name Stmts Miss Branch BrMiss Cover Missing
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writing manifest file 'sprockets.mixins.metrics.egg-info/SOURCES.txt'
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test_that_cached_socket_is_used (tests.StatsdMethodTimingTests) ... ok
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test_that_counter_accepts_increment_value (tests.StatsdMethodTimingTests) ... ok
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test_that_counter_increment_defaults_to_one (tests.StatsdMethodTimingTests) ... ok
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test_that_default_prefix_is_stored (tests.StatsdMethodTimingTests) ... ok
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test_that_execution_timer_records_time_spent (tests.StatsdMethodTimingTests) ... ok
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test_that_http_method_call_is_recorded (tests.StatsdMethodTimingTests) ... ok
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----------------------------------------------------------------------
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...
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----------------------------------------------------------------------
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TOTAL 95 2 59 2 97%
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----------------------------------------------------------------------
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Ran 44 tests in 0.054s
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Ran 6 tests in 1.080s
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OK
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That's the quick way to run tests. The slightly longer way is to run
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the `detox`_ utility. It will run the test suite against all of the
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supported python versions in parallel. This is essentially what Travis-CI
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the `tox`_ utility. It will run the test suite against all of the supported
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python versions in parallel. This is essentially what Travis-CI
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will do when you issue a pull request anyway::
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$ env/bin/detox
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py27 recreate: /.../sprockets.http/build/tox/py27
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GLOB sdist-make: /.../sprockets.http/setup.py
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py34 recreate: /.../sprockets.http/build/tox/py34
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py27 installdeps: -rtest-requirements.txt, mock
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py34 installdeps: -rtest-requirements.txt
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py27 inst: /.../sprockets.http/build/tox/dist/sprockets.http-0.0.0.zip
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py27 runtests: PYTHONHASHSEED='2156646470'
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py27 runtests: commands[0] | /../sprockets.http/build/tox/py27/bin/nosetests
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py34 inst: /../sprockets.http/.build/tox/dist/sprockets.http-0.0.0.zip
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py34 runtests: PYTHONHASHSEED='2156646470'
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py34 runtests: commands[0] | /.../sprockets.http/build/tox/py34/bin/nosetests
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_________________________________ summary _________________________________
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$ env/bin/tox
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GLOB sdist-make: /Users/daves/Source/platform/sprockets.mixins.metrics/setup.py
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py27 create: /Users/daves/Source/platform/sprockets.mixins.metrics/build/tox/py27
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py27 installdeps: -rrequires/testing.txt
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------------------------- >8 ------------------------------------------------------
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py27: commands succeeded
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py34: commands succeeded
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py35: commands succeeded
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SKIPPED: pypy: InterpreterNotFound: pypy
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congratulations :)
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This is what you want to see. Now you can make your modifications and keep
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the tests passing.
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the tests passing. If you see the "missing interpreter" errors, that means
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that you do not have all of the interpreters installed.
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Submitting a Pull Request
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-------------------------
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@ -107,6 +102,5 @@ it back.
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.. _flake8: http://flake8.readthedocs.org/
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.. _nose: http://nose.readthedocs.org/
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.. _sphinx: http://sphinx-doc.org/
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.. _detox: http://testrun.org/tox/
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.. _tox: http://testrun.org/tox/
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.. _virtualenv: http://virtualenv.pypa.io/
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10
tox.ini
Normal file
10
tox.ini
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@ -0,0 +1,10 @@
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[tox]
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envlist = py27,py34,py35,pypy
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indexserver =
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default = https://pypi.python.org/simple
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toxworkdir = build/tox
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skip_missing_interpreters = True
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[testenv]
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deps = -rrequires/testing.txt
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commands = nosetests []
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