Description of problem:

Misleading Error Messages in GitOps ArgoCD

Please can these error messages be improved as they are very confusing and waste lots of developer time!

Prerequisites (if any, like setup, operators/versions):

Steps to Reproduce

• In an ArgoCD Application if an invalid hostname, wrong port number, no matching credentials are supplied the error is: 

"rpc error: code = Unknown desc = error creating SSH agent: "SSH agent requested but SSH_AUTH_SOCK not-specified"

• In an ArgoCD ApplicationSet using the git generator, if there are no matching credentials, the SSH key doesn't have permission to clone, or an invalid URL path the error is:

Error during fetching repo: `git fetch origin dev --tags --force` failed exit status 128: Could not create directory '/.ssh'.
Failed to add the RSA host key for IP address '[<IP>]:2222' to the list of known hosts (/.ssh/known_hosts).
gitea@gitea-ssh.dev-tools: Permission denied (publickey).
fatal: Could not read from remote repository.
Please make sure you have the correct access rights
and the repository exists.

Reproducibility (Always/Intermittent/Only Once): Always

ACCEPTANCE CRITERIA:

• Log proper error message which explains the issue.