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Function :public_key.cacerts_get/0 is undefined or private

#deployment#crypto#public_key
silverdr

silverdr

Function :public_key.cacerts_get/0 is undefined or private

I have a mix release application running in a container but it seems to have problems with cacerts. If I run:

docker exec -it 1773f1bd7685 bin/myapp eval ':public_key.cacerts_get()'

I get:

** (UndefinedFunctionError) function :public_key.cacerts_get/0 is undefined or private
    (public_key 1.12.0.2) :public_key.cacerts_get()
    (stdlib 3.17.2.4) erl_eval.erl:685: :erl_eval.do_apply/6
    (elixir 1.16.2) lib/code.ex:572: Code.validated_eval_string/3

What do I need to do in order to have the said function available?

22 comments
#deployment#crypto#public_key
8 761 22

Marked As Solved

D4no0

D4no0

OTP-24 doesn’t have the cacerts_get/0 in public_key: Erlang -- public_key

1
Post #8

Also Liked

LostKobrakai

LostKobrakai

That version of OTP and elixir are you using?

1
Post #4
D4no0

D4no0

I’m not sure what are you looking for, wouldn’t it be easier to upgrade to OTP-26.2.5+ where this issue was patched?

1
Post #12
D4no0

D4no0

While I understand this, I am also not very positive that you change versions everyday. I just now noticed that docker builds from hex do not come with specific OTP versions, which is not the greatest thing now that I think about it.

Personally I would take a look at the scripts for building these images and customize one of them for specific elixir and OTP version. I would even be inclined to help you make this into an official feature, as I use docker for almost all of my deploys.

1
Post #14
LostKobrakai

LostKobrakai

Those are not the docker builds. However there were some issues resolved today: Missing latest images on docker hubs · Issue #187 · hexpm/bob · GitHub

1
Post #16
silverdr

silverdr

I don’t. This time I had to though.

They do. You have to look here:

https://hub.docker.com/r/hexpm/elixir/tags

And that’s the easiest way and smallest image sizes. I did custom images before but those are leaner and faster to build “runner” images.

Probably yes so that’s an option to wait a (probably only) a little longer, but…

I do agree. That’s why I had everything running on 26 already for some time. But I got bitten by this very nastily so even if 26.2.5 pops up soon (which I think it will) I shall still be having a very close eye on how it behaves and whether the fix really fixed things and not introduced other problems, etc.

But right, maybe I am a bit too impatient and just wanted to fix all things around this area right away so that I don’t have to return to it later

1
Post #18

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