ssh: Add fact for generated user keys

Add a fact that contains the public keys for all keys generated with
ssh::client::user_key.

Author: supertassu

modules/ssh/lib/facter/ssh_local_key.rb

@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+Facter.add(:ssh_local_keys) do
+	confine do
+		File.directory?('/etc/ssh/local_keys.d/')
+	end
+	setcode do
+		hash = {}
+
+		Dir.glob('/etc/ssh/local_keys.d/*.pub').each do |file|
+			filename = file.split('/').last.gsub('.pub', '')
+			content = File.read(file)
+			hash[filename] = content.chomp
+		end
+
+		hash
+	end
+end