New relic support

Introduce two new environment configuration variables: NEW_RELIC_INI and NEW_RELIC_STAGE
Added new extra "newrelic" installation opt-in.

Docker-DCO-1.1-Signed-off-by: Olivier Gambier <[email protected]> (github: dmp42)

Author: Olivier Gambier

Dockerfile

@@ -25,7 +25,7 @@ add ./config/boto.cfg /etc/boto.cfg
 run pip install /docker-registry/depends/docker-registry-core
 
 # Install registry
-run pip install file:///docker-registry#egg=docker-registry[bugsnag]
+run pip install file:///docker-registry#egg=docker-registry[bugsnag,newrelic]
 
 env DOCKER_REGISTRY_CONFIG /docker-registry/config/config_sample.yml
 env SETTINGS_FLAVOR dev

docker_registry/server/env.py

@@ -15,6 +15,8 @@
     'GUNICORN_ACCESS_LOG_FILE': '"-"',
     'GUNICORN_ERROR_LOG_FILE': '"-"',
     'GUNICORN_OPTS': '[]',
+    'NEW_RELIC_INI': '',
+    'NEW_RELIC_STAGE': 'dev'
 }
 
 

docker_registry/wsgi.py

@@ -1,11 +1,20 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
+from .server import env
 import logging
 
-from .run import app
-from .server import env
+newini = env.source('NEW_RELIC_INI')
+if newini:
+    try:
+        import newrelic.agent
+        newrelic.agent.initialize(
+            env.source('NEW_RELIC_INI'),
+            env.source('NEW_RELIC_STAGE'))
+    except Exception as e:
+        raise(Exception('Failed to init new relic agent %s' % e))
 
+from .run import app
 
 if __name__ == '__main__':
     # Bind to PORT if defined, otherwise default to 5000.

setup.py

@@ -79,6 +79,7 @@
     install_requires=requirements,
     tests_require=open('./requirements/test.txt').read(),
     extras_require={
-        'bugsnag': ['bugsnag>=2.0.1,<2.1']
+        'bugsnag': ['bugsnag>=2.0,<2.1'],
+        'newrelic': ['newrelic>=2.22,<2.23']
     }
 )