Graphite-api config and uWSGI start (for use with Grafana)

graphite-api.wsgi

[uwsgi]
processes = 2
http-socket = localhost:8001
uid = 165
gid = 165
module = graphite_api.app:app
daemonize2 = /var/log/uwsgi-graphiteapi.log
env = GRAPHITE_API_CONFIG=/usr/local/etc/graphite-api.yaml

graphite-api.yaml

# On FreeBSD, this file is placed in /usr/local/etc/graphite-api.yaml
---
## [https://graphite-api.readthedocs.io/en/latest/configuration.html#default-values]
search_index: /opt/graphite/index
finders:
  - graphite_api.finders.whisper.WhisperFinder
functions:
  - graphite_api.functions.SeriesFunctions
  - graphite_api.functions.PieFunctions
whisper:
  directories:
    - /opt/graphite/carbon/whisper
time_zone: UTC

graphite-api__start.sh

#!/usr/bin/env bash

##  reference links:
##  - [https://github.com/brutasse/graphite-api]
##  - [https://graphite-api.readthedocs.io/en/latest/deployment.html]
##  - [http://graphite.readthedocs.io/en/latest/config-local-settings.html]
##  - [http://uwsgi-docs.readthedocs.io/en/latest/tutorials/Django_and_nginx.html#basic-uwsgi-installation-and-configuration]


GRAPHITE_API_CONFIG="/usr/local/etc/graphite-api.yaml"
GRAPHITE_API_WSGI="/usr/local/etc/graphite-api.wsgi"

GAPI_PORT=8001

UWSGI_DAEMONIZE="--daemonize"



check_graphiteapi_yaml() {

  if [[ ! -f ${GRAPHITE_API_CONFIG} ]] ; then

    cat <<CONFIG > ${GRAPHITE_API_CONFIG}
---
## [https://graphite-api.readthedocs.io/en/latest/configuration.html#default-values]
search_index: /opt/graphite/index
finders:
  - graphite_api.finders.whisper.WhisperFinder
functions:
  - graphite_api.functions.SeriesFunctions
  - graphite_api.functions.PieFunctions
whisper:
  directories:
    - /opt/graphite/carbon/whisper
time_zone: UTC
CONFIG

  fi
}


check_uwsgi_ini() {

  ## virtualenv's need this:
  #home = /var/www/wsgi-scripts/env

  if [[ ! -f ${GRAPHITE_API_CONFIG} ]] ; then

    cat <<CONFIG > ${GRAPHITE_API_WSGI}
[uwsgi]
processes = 2
http-socket = localhost:8001
uid = 165
gid = 165
module = graphite_api.app:app
daemonize2 = /var/log/uwsgi-graphiteapi.log
env = GRAPHITE_API_CONFIG=${GRAPHITE_API_CONFIG}
CONFIG

  fi
}


# do start Graphite-API under uWSGI 
uwsgi --ini ${GRAPHITE_API_WSGI}

nginx_uwsgi.site.conf

upstream myapp {
    least_conn;
    server unix:///var/run/uwsgi_myapp0.sock;
    server unix:///var/run/uwsgi_myapp1.sock;
    server unix:///var/run/uwsgi_myapp2.sock;
    server unix:///var/run/uwsgi_myapp3.sock;
    server unix:///var/run/uwsgi_myapp4.sock;
}

server {
    listen       80;
    server_name  myapp.example.com;
 
    location /static {
        alias /usr/local/www/myapp/static;
    }

    location / {
        uwsgi_pass  myapp;
        include uwsgi_params;
    }
}

openrc_config.supervisord.conf

[unix_http_server]
file=/var/run/supervisor/supervisor.sock   

[supervisord]
logfile=/var/log/supervisord.log ; (main log file;default $CWD/supervisord.log)
logfile_maxbytes=50MB       ; (max main logfile bytes b4 rotation;default 50MB)
logfile_backups=10          ; (num of main logfile rotation backups;default 10)
loglevel=info               ; (log level;default info; others: debug,warn,trace)
pidfile=/var/run/supervisor/supervisord.pid ; (supervisord pidfile;default supervisord.pid)
nodaemon=false              ; (start in foreground if true;default false)
minfds=1024                 ; (min. avail startup file descriptors;default 1024)
minprocs=200                ; (min. avail process descriptors;default 200)

[rpcinterface:supervisor]
supervisor.rpcinterface_factory = supervisor.rpcinterface:make_main_rpcinterface

[supervisorctl]
serverurl=unix:///var/run/supervisor/supervisor.sock
history_file=~/.sc_history  ; use readline history if available

[program:uwsgi_myapp]
directory=/usr/local/www/myapp/
command=/usr/local/bin/uwsgi -s /var/run/%(program_name)s%(process_num)d.sock
        --chmod-socket=666 --need-app --disable-logging --home=venv
        --wsgi-file wsgi.py --processes 1 --threads 10
stdout_logfile="syslog"
stderr_logfile="syslog"
startsecs=10
stopsignal=QUIT
stopasgroup=true
killasgroup=true
process_name=%(program_name)s%(process_num)d
numprocs=5