pegleg lint errors

[sekharvajjula]

I am trying to install Air-ship following procedure: https://treasuremap.readthedocs.io/en/latest/deployment.html#generating-site-yaml-files

Below command fails with errors:
sudo sh -c "WORKSPACE=~/treasuremap/deployment_files ~/pegleg/tools/pegleg.sh lint -p /workspace"
2018-08-02 09:23:19,253 ERROR deckhand.engine.secrets_manager:substitute_all [271] Could not find substitution source document [deckhand/CertificateAuthority/v1] kubernetes among the provided substitution sources.