[Bug 1890922] Re: ed25519 keys unsupported due to old pyopenssl

[Radosław Piliszek]

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https://bugs.launchpad.net/bugs/1890922

Title:
  ed25519 keys unsupported due to old pyopenssl

Status in Ubuntu Cloud Archive:
  Confirmed
Status in kolla:
  Opinion
Status in kolla-ansible:
  Invalid
Status in Ubuntu:
  Confirmed

Bug description:
  What happened:
  When attempting to import an ed25519 based ssh key horizon reports the error "Error: Unable to import the keypair."

  What you expected to happen:
  The import will succeed as the key has been used in previous Openstack deploys (non kolla based) and the key is known to be valid.

  How to reproduce it (minimal and precise):
  Import a key through horizon that was generated using ssh-keygen -t ed25519, the import will fail with the above horizon. The nova api error is "HTTP exception thrown: Keypair data is invalid: failed to generate fingerprint" The internal error is "cryptography.exceptions.UnsupportedAlgorithm: ed25519 is not supported by this version of OpenSSL."

  While testing we found that the version of pyOpenSSL shipped with the
  most recent version of kolla/ubuntu-binary-nova-api:ussuri was 17.5.0.
  That version does not support ed25519 keys, updating to the newest
  version 19.1.0 will fixe the issue.

  Environment:
  Docker image Install type (source/binary): Binary
  Docker image distribution: Ubuntu
  Are you using official images from Docker Hub or self built? Official
  Docker images: Ussuri

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