Create an install-able RPM from rebar3 release

[Mikael Pettersson]

On Tue, Dec 14, 2021 at 8:05 PM Ben Adams <ben@REDACTED> wrote:
>
>
> Hello everyone,
>
> I'm working on creating an installable version of my app in RPM and DEB format.
>
> When starting the app after rpm install:
>
> ===============================
> /usr/app/rel/app1/bin/app1 foreground
> Exact ERTS version (12.1.5) match not found, instead using 12.1.5. The release may fail to run.
> init terminating in do_boot ({load_failed,[logger_simple_h,logger_config,logger_backend,logger_server,logger_filters,logger,kernel,heart,file_io_server,file_server,file,error_logger,code_server,code,a
>
> Crash dump is being written to: erl_crash.dump...done
>
> ===============================
>
> This is my build script:
>
> ===============================
> # Build Code
> ./rebar3 release
>
> # Start RPM BUILD PROCESS
> mkdir -p rel/usr/app1
>
> rsync -avz _build/default/ rel/usr/app1/
> fpm -s dir \
>     -t rpm \
>     --depends erlang \
>     -n app1 \
>     -C "$(pwd)/rel" \
>     -v 0.0.1 \
>     --iteration 1

What's "fpm"?

We use plain old rpm-build and a .spec file to package our main
service as an RPM, and it has worked fine for many years now. We don't
use "releases" in that one however (other smaller services do, but not
that one).


> ===============================
> When installing the app all files look to be there, build and target are using erlang 24
> Both servers have the same versions installed:
>
> ===============================
> [root@REDACTED ~]# rpm -aq erlang-erts erlang
> erlang-erts-24.1.7-1.fc35.x86_64
> erlang-24.1.7-1.fc35.x86_64
>
> ===============================
>
> Not sure what the process is for fixing the problem.
>
> Happy Holidays!!
>
> Thank you,
>
> Ben Adams