Key not installed but no error message thrown

[ramonheras]

Hi,

I'm running the action on a Linux Ubuntu 20.04.2 machine.
Runner version 2.276.1

The action log indicates that the key has been installed successfully, but it does not work. I have inspected the key installation path ~/.ssh, and all seems right (the files have been copied, etc.). So I continued trying to install the key manually using the files already there by running ssh-add id_rsa, and I got the error message Error loading key "id_rsa": invalid format. Examining the id_rsa file, I have discovered that the action adds a '\n' at the end of the key file that invalidates the key. After removing the line with nano and rerunning ssh-add id_rsa, everything works nicely. I also double-checked that the '\n' wasn't part of the original secret in GitHub. In my particular case, I assume the error is produced by the insertion of that trailing '\n' that invalidates the key.

Cheers,
Ramon

[shimataro]

@ramonheras
Very sorry for late response.

Is your key format OpenSSH?
If yes, it might be same cause as #147. Please retry after converting to PEM format as a temporary solution.