Get the list of environments known to a puppet master

get-environments.sh

#!/bin/bash
# GIST_URL: https://gist.github.com/natemccurdy/65676368168708810c29
# Get the list of classes that the Puppetserver knows about.
# https://docs.puppetlabs.com/puppet/latest/reference/http_api/http_environments.html

CERT="$(puppet agent --configprint hostcert)"
CACERT="$(puppet agent --configprint localcacert)"
PRVKEY="$(puppet agent --configprint hostprivkey)"
OPTIONS="--cert ${CERT} --cacert ${CACERT} --key ${PRVKEY}"
MASTER="$(puppet agent --configprint server)"

/opt/puppetlabs/puppet/bin/curl -s -X GET $OPTIONS "https://${MASTER}:8140/puppet/v3/environments" | python -m json.tool