supervisor-event-listeners 0.1

# Supervisor Event Listeners
A small collection of supervisor event listeners that weren't available in the awesome [superlance](https://github.com/Supervisor/superlance).

## fseventwatcher
```shell
$ fseventwatcher --help
usage: fseventwatcher [-h] [-p [PROGRAM [PROGRAM ...]]] [-a] -f PATH
[PATH ...] [-r]
[--watched-events [{moved,created,deleted,modified} [{moved,created,deleted,modified} ...]]]
[--dither DITHER_MAX]

Supervisor TICK event listener which restarts processes if file system changes
occur between ticks.

optional arguments:
-h, --help show this help message and exit
-p [PROGRAM [PROGRAM ...]], --programs [PROGRAM [PROGRAM ...]]
Supervisor process name/s to be restarted if in
RUNNING state.
-a, --any-program Restart any supervisor processes in RUNNING state.
-f PATH [PATH ...], --paths PATH [PATH ...]
Path to watch for file system events.
-r, --recursive Watch path/s recursively.
--watched-events [{moved,created,deleted,modified} [{moved,created,deleted,modified} ...]]
Specify which file system events to watch, by default
all events will be watched.
--dither DITHER_MAX Add dither before restarting processes. Specify
maximum time to dither in seconds.
```

## eventexec
```shell
$ eventexec --help
usage: eventexec [-h] -e COMMAND [-p [PROGRAM [PROGRAM ...]]] [-a]
[--dither DITHER_MAX]

Supervisor event listener which executes a command when events are received
and optionally restarts processes on non-zero exit status.

optional arguments:
-h, --help show this help message and exit
-e COMMAND, --execute COMMAND
Command or script to execute on supervisor events.
-p [PROGRAM [PROGRAM ...]], --restart-programs [PROGRAM [PROGRAM ...]]
Supervisor process name/s to be restarted on non-zero
exit status if in RUNNING state.
-a, --restart-any-program
Restart any supervisor processes in RUNNING state on
non-zero exit status.
--dither DITHER_MAX Add dither before restarting processes. Specify
maximum time to dither in seconds.
```

## processrestarter
```shell
processrestarter --help
usage: processrestarter [-h] [-p [PROGRAM [PROGRAM ...]]] [-a]
[--dither DITHER_MAX]

Supervisor event listener which restarts processes on TICK events.

optional arguments:
-h, --help show this help message and exit
-p [PROGRAM [PROGRAM ...]], --programs [PROGRAM [PROGRAM ...]]
Supervisor process name/s to be restarted if in
RUNNING state.
-a, --any-program Restart any supervisor processes in RUNNING state.
--dither DITHER_MAX Add dither before restarting processes. Specify
maximum time to dither in seconds.
```