Ubuntu – Upstart, one job definition to start and one to stop

scriptsupstart

Hi i just discoverd ubuntu upstart (etc/init/* scripts).
And i would like to use it to run a particular application.
This app is run via a command line, but there is an argument to start an instance of the app and another argument to stop it (let say 'start' and 'stop')
Is there a way to use upstart for that ??

Best Answer

It should be as simple as creating a file /etc/init/myjob.conf:

description    "My Job"

# start conditions for automatic start
# stop conditions for automatic stop

pre-start exec /path/to/program start
post-stop exec /path/to/program stop

You should then be able to do sudo start myjob to start and sudo stop myjob to stop.

See http://upstart.ubuntu.com for some more info.

Related Solutions

Upstart Job Manual Start/Stop – Troubleshooting

As of my experience you don't have to "enable" anything, just put the .conf in /etc/init and enjoy.

You can verify that the script does run by adding a line like this in the script:

echo "alive" > /alive_and_well

This will create file "alive_and_well" in your root dir if the script runs.

If it doesn't, the problem is most likely in the "start on" stanza. Here's what I use for such things (known to work):

start on (local-filesystems and net-device-up IFACE!=lo)
stop on runlevel [!2345]

Also shebangs in Upstart scripts are not supported, so "#!/bin/bash" is useless (AFAIK).

Ensure One Upstart Job Stops Before Another – How to Configure

You can use these options within job A:

Stop before depended-upon service
```
stop on stopping B
```
Start after depended-upon service
```
start on started B
```

Reference: http://upstart.ubuntu.com/cookbook/#stop-on

Best Answer

Related Solutions

Upstart Job Manual Start/Stop – Troubleshooting

Ensure One Upstart Job Stops Before Another – How to Configure

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