feature: make tls configurable (#6)

* added tls options in upstream.conf
* added tls options in types
* only set tls option if its configured

Author: YokaiRick

templates/upstream.conf.epp

@@ -4,9 +4,12 @@
 
 <% $nodes.each |$node_name, $node| { -%>
 [NODE]
-  name  <%= $node_name %>
-  host  <%= $node['host'] %>
-  port  <%= $node['port'] %>
-
+  name       <%= $node_name %>
+  host       <%= $node['host'] %>
+  port       <%= $node['port'] %>
+<% if $node['tls'] { -%>
+  tls        <%= $node['tls'] %>
+  tls.verify <%= $node['tls_verify'] %>
+<% } -%>
 <% } -%>
 # <%= $nodes.length %> nodes

types/upstreamnode.pp

@@ -1,4 +1,6 @@
 type Fluentbit::UpstreamNode = Struct[{
   host => String[1],
   port => Integer,
+  Optional[tls]  => Enum['On', 'Off'],
+  Optional[tls_verify] => Enum['On', 'Off']
 }]