Document agent_repo_uri and apt_release

Author: albertvaka

manifests/init.pp

@@ -196,10 +196,15 @@
 #   $cmd_port
 #       The port on which the IPC api listens
 #       Integer. Default: 5001
-#
-# Actions:
-#
-# Requires:
+#   $agent_repo_uri
+#       Where to download the agent from. When undef, it uses the following defaults:
+#       APT: https://apt.datadoghq.com/
+#       RPM: https://yum.datadoghq.com/stable/7/x86_64/ (with matching agent version and architecture)
+#       Windows: https://https://s3.amazonaws.com/ddagent-windows-stable/
+#       String. Default: undef
+#   $apt_release
+#       The distribution channel to be used for the APT repo. Eg: 'stable' or 'beta'.
+#       String. Default: stable
 #
 # Sample Usage:
 #