Created
March 20, 2013 19:26
graphite with nginx and uwsgi
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| PYTHONPATH=/opt/graphite/webapp/graphite | |
| MODULE=graphite_uwsgi |
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| # uwsgi --master --chdir /opt/graphite/webapp/graphite --module graphite_uwsgi ... | |
| # | |
| # | |
| # this module will update a carbon server (used by the graphite tool: http://graphite.wikidot.com/) | |
| # with requests count made by a Django app (and can track graphite itself as it is a Django app ;) | |
| # | |
| # | |
| import os | |
| import uwsgi | |
| import time | |
| from django.core.handlers.wsgi import WSGIHandler | |
| os.environ['DJANGO_SETTINGS_MODULE'] = 'settings' | |
| CARBON_SERVER = "127.0.0.1:2003" | |
| def update_carbon(signum): | |
| # connect to the carbon server | |
| carbon_fd = uwsgi.connect(CARBON_SERVER) | |
| # send data to the carbon server | |
| uwsgi.send(carbon_fd, "uwsgi.%s.requests %d %d\n" % (uwsgi.hostname, uwsgi.total_requests(), int(time.time()))) | |
| # close the connection with the carbon server | |
| uwsgi.close(carbon_fd) | |
| # register a new uwsgi signal (signum: 17) | |
| uwsgi.register_signal(17, '', update_carbon) | |
| # attach a timer of 10 seconds to signal 17 | |
| uwsgi.add_timer(17, 10) | |
| # the Django app | |
| application = WSGIHandler() |
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| #!/bin/sh | |
| ### BEGIN INIT INFO | |
| # Provides: uwsgi | |
| # Required-Start: $all | |
| # Required-Stop: $all | |
| # Default-Start: 2 3 4 5 | |
| # Default-Stop: 0 1 6 | |
| # Short-Description: starts the uwsgi app server | |
| # Description: starts uwsgi app server using start-stop-daemon | |
| ### END INIT INFO | |
| PATH=/opt/uwsgi:/sbin:/bin:/usr/sbin:/usr/bin | |
| DAEMON=/usr/local/bin/uwsgi | |
| OWNER=uwsgi | |
| NAME=uwsgi | |
| DESC=uwsgi | |
| test -x $DAEMON || exit 0 | |
| # Include uwsgi defaults if available | |
| if [ -f /etc/default/uwsgi-graphite ] ; then | |
| . /etc/default/uwsgi-graphite | |
| fi | |
| set -e | |
| DAEMON_OPTS="-s 127.0.0.1:9001 -M 4 -t 30 -A 4 -p 4 -d /var/log/uwsgi-graphite.log --pythonpath $PYTHONPATH --module $MODULE" | |
| case "$1" in | |
| start) | |
| echo -n "Starting $DESC: " | |
| start-stop-daemon --start --chuid $OWNER:$OWNER --user $OWNER \ | |
| --exec $DAEMON -- $DAEMON_OPTS | |
| echo "$NAME." | |
| ;; | |
| stop) | |
| echo -n "Stopping $DESC: " | |
| start-stop-daemon --signal 3 --user $OWNER --quiet --retry 2 --stop \ | |
| --exec $DAEMON | |
| echo "$NAME." | |
| ;; | |
| reload) | |
| killall -1 $DAEMON | |
| ;; | |
| force-reload) | |
| killall -15 $DAEMON | |
| ;; | |
| restart) | |
| echo -n "Restarting $DESC: " | |
| start-stop-daemon --signal 3 --user $OWNER --quiet --retry 2 --stop \ | |
| --exec $DAEMON | |
| sleep 1 | |
| start-stop-daemon --user $OWNER --start --quiet --chuid $OWNER:$OWNER \ | |
| --exec $DAEMON -- $DAEMON_OPTS | |
| echo "$NAME." | |
| ;; | |
| status) | |
| killall -10 $DAEMON | |
| ;; | |
| *) | |
| N=/etc/init.d/$NAME | |
| echo "Usage: $N {start|stop|restart|reload|force-reload|status}" >&2 | |
| exit 1 | |
| ;; | |
| esac | |
| exit 0 |
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| upstream myapp { | |
| server 127.0.0.1:9001; | |
| } | |
| server { | |
| listen 80; | |
| server_name graphite.domain.net; | |
| access_log /var/log/nginx/graphite-access.log; | |
| error_log /var/log/nginx/graphite-error.log; | |
| root /opt/graphite/webapp/graphite; | |
| location / { | |
| add_header Access-Control-Allow-Origin "*"; | |
| add_header Access-Control-Allow-Methods "GET, OPTIONS"; | |
| add_header Access-Control-Allow-Headers "origin, authorization, accept"; | |
| uwsgi_pass myapp; | |
| include uwsgi_params; | |
| } | |
| location /media { | |
| # This makes static media available at the /media/ url. The | |
| # media will continue to be available during site downtime, | |
| # allowing you to use styles and images in your maintenance page. | |
| alias /usr/local/lib/python2.6/dist-packages/django/contrib/admin/media; | |
| } | |
| } |
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