newer sshkeys are not working in paramiko #4890
Description
SUMMARY
Using ecdsa-sha2-nistp521 ssh keys do not work in stackstorm with paramiko
STACKSTORM VERSION
st2 3.1.0, on Python 2.7.6
OS, environment, install method
st2-docker
Post what OS you are running this on, along with any other relevant information/
- e.g. Docker, Vagrant, Kubernetes, etc. Describe how you installed ST2
- e.g. one-line install, custom install, etc -->
Steps to reproduce the problem
generate a newer ssh key.
run a remote command such as ls -R it fails.
Switch to an older id_rsa based ssh key and it succeeds.
Expected Results
Modern ssh keys are supported for better security.
What did you expect to happen when running the steps above?
get the results of ls / when using a newer ssh key type.
Actual Results
A connection failed error.