another exported resources with puppetdb

howto/puppet.md

@@ -493,6 +493,8 @@ see why they do not work correctly (a common problem):
 Finally, some errors show up only on the Puppet server: you can look in
 `/var/log/daemon.log` there for errors that will only show up there.
 
+### Finding exported resources with SQL queries
+
 Connecting to the PuppetDB database itself can sometimes be easier
 than trying to operate the API. There you can inspect the entire thing
 as a normal SQL database, use this to connect:
@@ -509,6 +511,21 @@ resources with `troodi` in the name:
 Keep in mind that there are [automatic tags](https://puppet.com/docs/puppet/6.4/lang_tags.html) in exported resources
 which can complicate things.
 
+### Finding exported resources with PuppetDB
+
+This query will look for exported resources with the `type`
+`Backupninja::Server::Account` (which can be a class, define, or
+builtin resource) and a `title` (the "name" of the resource as defined
+in the manifests) of `backup-blah@backup.koumbit.net`:
+
+    curl -s -X POST http://localhost:8080/pdb/query/v4 \
+        -H 'Content-Type:application/json' \
+        -d '{"query": "resources { type = \"Backupninja::Server::Account\" and title = \"backup-blah@backup.koumbit.net\" }"}' \
+        | jq . | less -SR
+
+TODO: update the above query to match resources actually in use at
+TPO. That example is from koumbit.org folks.
+
 ## Password management
 
 If you need to set a password in a manifest, there are special