Environment

• OS: Ubuntu 12.04 LTS
  
• supervisor version: 3.0a8-1.1
  

What happned

When I executed php programme through supervisor, I got an error log below.

supervisor config file

...

[program:worker_verification]
directory=/srv/local/api
command=/srv/local/api/rcWorkerManager.php "rcVerificationWorker.php" "rabbit_queue" --env=prod
environment=PARAM5="dev",PHP_IDE_CONFIG="serverName=vagrant"
user=www-data
autostart=false
autorestart=true

...

log

/usr/bin/env: php: No such file or directory

But php was already installed by source compile and I set a PATH to /etc/environment like below.

PATH="/opt/php-5.4.45/bin:/opt/php-5.4.45/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games"

So I checked the PATH value by showing it through supervisor, too.
This is the part of the supervisor setting file to show PATH.

[program:show_path]
command=printenv
user=www-data
autostart=false
autorestart=true

Then I got log like below.

SUPERVISOR_GROUP_NAME=show_path
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin

PATH value was different from the previous one.
Then I investigated which file defined this PATH value.

vagrant@sandbox:/$ sudo find /etc -type f -exec grep -l '/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin' {} \;
/etc/crontab
/etc/init.d/unattended-upgrades
/etc/init.d/networking
/etc/init.d/nginx
/etc/init.d/supervisor

I found /etc/init.d/supervisor.
Take a closer look at it.

...

### BEGIN INIT INFO
# Provides:          supervisor
# Required-Start:    $remote_fs $network $named
# Required-Stop:     $remote_fs $network $named
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Start/stop supervisor
# Description:       Start/stop supervisor daemon and its configured
#                    subprocesses.
### END INIT INFO


PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
DAEMON=/usr/bin/supervisord
NAME=supervisord
DESC=supervisor

test -x $DAEMON || exit 0

...

This file specified PATH value as
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin.
Maybe this was why I got the PATH when I executed supervisor.

Workaround

This version of supervisor(3.0a8-1.1) didn’t support to append paths to PATH unfortunately.
https://serverfault.com/questions/331027/supervisord-how-to-append-to-path
https://github.com/Supervisor/supervisor/issues/599

So I decided to locate php executables to /usr/local/bin where supervisord could see.

./configure \
  --prefix=/opt/php-5.4.45 \
...
  --bindir=/usr/local/bin \
  --sbindir=/usr/local/bin \
...