feat: add host_volumes to nomad (#315)

- add puppet client certs
- add tls-ca-bundle

Reviewed-on: https://git.query.consul/unkinben/puppet-prod/pulls/315

site/profiles/templates/nomad/config.hcl.erb

@@ -21,6 +21,13 @@ server {
 # Manage clients/agents
 client {
   enabled = true
+
+<%- @host_volumes.each do |volume| %>
+  host_volume "<%= volume['name'] %>" {
+    path      = "<%= volume['path'] %>"
+    read_only = <%= volume['read_only'] %>
+  }
+  <% end %>
 }
 plugin "docker" {
   config {