[erlang-questions] slave node working directory

[Zhemzhitsky Sergey]

Hello erlangers,

 

Is it possible to specify a working directory for the slave node started with slave:start/3 ? Currently it seems to be a user home directory, but a I’d like to specify a different one.

 

 

Best Regards,

Sergey

 

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[Zhemzhitsky Sergey]

Hi Alex,

Thanks a lot. Unfortunately rpc:call does not work in my case as I have to start my slaves with a relative code search path specified with -pa option.

Regards,
Sergey

-----Original Message-----
From: Alex Shneyderman [mailto:a.shne...@gmail.com]
Sent: Tuesday, October 30, 2012 12:22 PM
To: Zhemzhitsky Sergey
Subject: Re: [erlang-questions] slave node working directory

rpc:call(slave_node,file,set_cwd,["/tmp"]).

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[Lukas Larsson]

Maybe passing: "-eval \"file:set_cwd(\"/tmp\")\"" as an Arg will do the trick?

On Tue, Oct 30, 2012 at 10:15 AM, Zhemzhitsky Sergey

[Peter Lemenkov]

2012/10/30 Zhemzhitsky Sergey <sergey_zh...@sberbank-cib.ru>:

> Hi Alex,
>
> Thanks a lot. Unfortunately rpc:call does not work in my case as I have to start my slaves with a relative code search path specified with -pa option.

I think this requirement should be satisfied outside the Erlang VM
itself. Setting up the environment parameters should be done by your
service management system.

For example systemd allows this (setting up working directory) as well
as setting many other necessary parameters right out of the box:

* https://github.com/lemenkov/erlpmd/blob/master/priv/erlpmd.service

--
With best regards, Peter Lemenkov.

[Zhemzhitsky Sergey]

Thanks,
Resolved it with an appropriate configuration of environment and paths.

Regards,
Sergey

-----Original Message-----
From: Peter Lemenkov [mailto:leme...@gmail.com]
Sent: Tuesday, October 30, 2012 1:27 PM
To: Zhemzhitsky Sergey
Cc: Alex Shneyderman; erlang-questions Questions
Subject: Re: [erlang-questions] slave node working directory

2012/10/30 Zhemzhitsky Sergey <sergey_zh...@sberbank-cib.ru>:
> Hi Alex,
>
> Thanks a lot. Unfortunately rpc:call does not work in my case as I have to start my slaves with a relative code search path specified with -pa option.

I think this requirement should be satisfied outside the Erlang VM itself. Setting up the environment parameters should be done by your service management system.

For example systemd allows this (setting up working directory) as well as setting many other necessary parameters right out of the box:

* https://github.com/lemenkov/erlpmd/blob/master/priv/erlpmd.service

--
With best regards, Peter Lemenkov.

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