fugue-bug.sh

#!/bin/bash


echo "Starting with 'Hello World!'"


# WRITE FUGUE FILE
echo "var fugue = require('fugue')
var path = require('path')
var sys = require('sys')

var Port = 6001
var Host = '0.0.0.0'
var Workers = 1

var options = {}
options.started = function() {}
options.verbose = true
options.working_path = path.join(__dirname, '..')
options.log_file = '/tmp/apiweb.log'
options.master_pid_path = '/tmp/apiweb.pid'
options.worker_kill_timeout = 10000

fugue.start(require('./test'), Port, Host, Workers, options)
sys.puts('STARTED in production on ' + Port + ' with ' + Workers + ' workers')" > fugue.js


# WRITE EXPRESS FILE
echo "var express = require('express');

app = express.createServer();
app.get('/', function(req, res) {
  res.send('Hello World!');
});

module.exports = app; " > test.js


# START FUGUE
node fugue.js &

sleep 1

curl http://localhost:6001
echo ""

sleep 1


# UPDATE THE FILE #
echo "Starting with 'Hello World - NEW VERSION!'"
echo "var express = require('express');

app = express.createServer();
app.get('/', function(req, res) {
  res.send('Hello World - NEW VERSION!');
});

module.exports = app; " > test.js

kill -USR2 `cat /tmp/apiweb.pid`

sleep 1

echo "This never returns..."
curl http://localhost:6001 &
echo ""

echo "Sleeping for 5 seconds and exiting. Also, the worker process never dies after the SIGINT"
sleep 5
kill -SIGINT `cat /tmp/apiweb.pid`

# Was going to try this stuff below, but we'll need to resolve the fact that the 
# last curl statement never returned first. 

# echo "Sleeping for 30 seconds"
# sleep 30

# curl http://localhost:6001
# echo ""

# kill -SIGINT `cat /tmp/apiweb.pid`


## SAMPLE OUTPUT ##
# note that the empty reply from the server happens when I kill the worker by hand. 

# woot:Downloads seanhess$ bash fugue.sh
# Starting with 'Hello World!'
# Hello World!
# Starting with 'Hello World - NEW VERSION!'
# This never returns...
# 
# Sleeping for 5 seconds and exiting. Also, the worker process never dies after the SIGINT
# woot:Downloads seanhess$ curl: (52) Empty reply from server

## LOG FILE OUTPUT ##

# process 50797 said: Using master socket path: null
# process 50797 said: Starting new master...
# STARTED in production on 6001 with 1 workers
# process 50797 said: Spawning workers...
# process 50797 said: spawned.
# process 50797 said: master process PID: 50797
# process 50800 said: Using master socket path: /tmp/fugue_50797_master.sock
# process 50800 said: Worker here
# process 50800 said: worker trying to connect to master...
# STARTED in production on 6001 with 1 workers
# process 50800 said: worker connected to master
# process 50797 said: serving server socket file descriptor 1
# process 50800 said: worker listening
# process 50800 said: worker setup of signals is done
# process 50797 said: Got SIGUSR2, respawning self
# process 50805 said: Using master socket path: /tmp/fugue_50797_master.sock
# process 50805 said: Starting new master...
# process 50805 said: Trying to get socket back from original server...
# process 50805 said: connecting to /tmp/fugue_50797_master.sock
# process 50797 said: serving server socket file descriptor 1
# process 50805 said: Got response from server:HERE_YOU_GO
# STARTED in production on 6001 with 1 workers
# process 50805 said: Spawning workers...
# process 50805 said: spawned.
# process 50805 said: master process PID: 50805
# process 50806 said: Using master socket path: /tmp/fugue_50805_master.sock
# process 50806 said: Worker here
# process 50806 said: worker trying to connect to master...
# STARTED in production on 6001 with 1 workers
# process 50806 said: worker connected to master
# process 50805 said: serving server socket file descriptor 8
# process 50806 said: killing original master with pid 50797
# process 50797 said: killer here
# process 50806 said: worker listening
# process 50800 said: worker killer activated...
# process 50800 said: I have 0 server connections
# process 50800 said: Worker 1 exiting.
# process 50806 said: worker setup of signals is done
# process 50805 said: killer here