Guest worker 'watch' example?

[Pedro Henrique Peixoto]

Do you guys have any example about using Guest worker 'watch' option?

I'd like to monitor some PHP guest workers and there is almost no documentation about how to do that.

I manage to get DirWatcher working (had to install some python package), but i don't really know how to use it.

Thankful,

Pedro Peixoto.

[Johnny W. Santos]

I think the intent of watch is to work as a trigger to a hot-reload every time something change on your guest code. What kinds of events you want to monitor?

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Johnny W. dos Santos

[Johnny W. Santos]

Here is the code called when watch catch a file system event

https://github.com/crossbario/crossbar/search?p=2&q=action&utf8=%E2%9C%93

There is nothing but restarting implemented in the handler.

[Pedro Henrique Peixoto]

Hi,

Thank you for replying.

I'd like to monitor my running guest, and if it cashes, i'd like it to be restarted. Now that you mentioned it, restarting the guest based on source-code changes would be great too.

[Johnny W. Santos]

I would suggest you something like supervisord to handle those things, but if you just want something simpler during development for example, you could watch a log directory and your worker could write there when a crash occur, then crossbar would restart this guest worker.

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[Pedro Henrique Peixoto]

Sounds like it could work. Maybe a watch for a PID file? I'll have a try on this and post back the results.