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`sd_notify` Erlang interface for Centos 7 and Debian
---

This adds the `sd_notify` to the Centos erlang package.
I tested it starting for zero-dependencies RabbitMQ package ([github](https://github.com/rabbitmq/erlang-rpm) - [binany](https://www.rabbitmq.com/releases/erlang/) )

Build from source
-
To build it execute the docker image.
 
Download the binary
-
https://github.com/Gsantomaggio/erlang-sd_notify/releases/tag/0.9

Add to Erlang
-
I suppose you are using the [RabbitMQ Erlang installation].(https://www.rabbitmq.com/releases/erlang/)
Follow these steps:

	    extract the tar.gz
        mkdir -p /usr/lib64/erlang/lib/sd_notify-0.10/priv/
        mkdir -p /usr/lib64/erlang/lib/sd_notify-0.10/ebin/
        cp priv/* /usr/lib64/erlang/lib/sd_notify-0.10/priv/
        cp ebin/* /usr/lib64/erlang/lib/sd_notify-0.10/ebin/
 

Test
-
To test it use: `sd_notify:sd_notify(0,"READY=1")`, in this way:

    [root@a499ee66251a]# erl
    ...    
    1> sd_notify:sd_notify(0,"READY=1").
    ok

RabbitMQ notes:
-
RabbitMQ does not need `sd_notify`,.
This add the feature for the users that in general need `sd_notify`. 
The integration should be considerer as **experimental**  


Building on Debian
-
Install the pre-requisites to the build:

        sudo apt-get install build-essential devscripts fakeroot \
            debhelper erlang-dev libsystemd-dev erlang-eunit

Make the package:

        make deb

Install and test:

        sudo dpkg -i deb-build/erlang-sd-notify_0.9-1_amd64.deb
        erl
        1> sd_notify:sd_notify(0,"READY=1").
        ok