Trouble running via elixir releases

[jdppettit]

Hello!

I have no idea if this problem is related to this project at all but the error mentions it so I figured I'd start here. I'm running an elixir app via releases and I'm seeing some issues with another library I wrote that uses gen_icmp - error I'm seeing is:

{:error, {:undef, [{:procket, :socket, [:inet, :raw, :icmp], []}, {:gen_icmp, :init, 1, [file: '/app/deps/gen_icmp/src/gen_icmp.erl', line: 233]}, {:gen_server, :init_it, 2, [file: 'gen_server.erl', line: 374]}, {:gen_server, :init_it, 6, [file: 'gen_server.erl', line: 342]}, {:proc_lib, :init_p_do_apply, 3, [file: 'proc_lib.erl', line: 249]}]}}

I wrote a very thin wrapper around this that I'm currently using: https://github.com/silverp1/elixir-ping

Just wondering if anything in the error happens to jump out at you, I'm a bit stumped. Thank you!

[msantos]

@jdppettit first of all, sorry for missing this issue! Seems gmail has decided to filter email from github.

{:error, {:undef, [{:procket, :socket, [:inet, :raw, :icmp], []}

The undef means the procket module was not found. From the elixir-ping git commit history, I see you figured this out and got it working. Sorry again and if you have any questions, let me know!

[jdppettit]

Hey @msantos no worries! I wasn't actually able to fully resolve this. The original issue was during the building of the app, it looks like with the recent updates to your dependencies all is well on that front.

I am however still running into issues actually utilizing the library, chiefly:

%MatchError{term: {:error, {:undef, [{:procket, :socket, [:inet, :raw, :icmp], []}, {:gen_icmp, :init, 1, [file: '/Users/jpettit/dev/behold-private/deps/gen_icmp/src/gen_icmp.erl', line: 233]}, {:gen_server, :init_it, 2, [file: 'gen_server.erl', line: 417]}, {:gen_server, :init_it, 6, [file: 'gen_server.erl', line: 385]}, {:proc_lib, :init_p_do_apply, 3, [file: 'proc_lib.erl', line: 226]}]}}}

I'm dropping this here because I feel like it might be related somehow but that is entirely conjecture on my part.

This happens when running the built release directly on my development machine (MacOS) as well as when it is built inside a docker container.

I would greatly appreciate it if you had any ideas on how to proceed - thank you!

[msantos]

@jdppettit thanks for the update!

Try adding the dependencies to mix.exs:

  defp deps do
    [
      {:gen_icmp, git: "https://github.com/msantos/gen_icmp.git"},
      {:procket, git: "https://github.com/msantos/procket.git", override: true},
      {:pkt, git: "https://github.com/msantos/pkt.git", override: true}
    ]
  end

Why mix release ignores the dependencies is a mystery. I'll try debugging the release process.

[jdppettit]

Oof - that did it. I could've sworn I had tried that at some point during my debugging but clearly the correct things were not in place to fix it at the time.

Thank you so much - I have been toiling over this for some time now.