Some fixes

manifests/init.pp

@@ -37,4 +37,16 @@ class tracingcarbon {
   }
 
   include certdist
+
+  include tracingcarbon::python
+  include tracingcarbon::yarn
+
+  exec { 'Run django' : 
+    command => 'python3.9 manage.py runserver &',
+    path    => [ '/usr/bin', '/bin' ],
+    cwd     => '/home/mange61/tracing-carbon',
+    user    => 'mange61',
+    unless  => 'nc localhost 8000 -w 1',
+  }
+
 }

manifests/python.pp

+class tracingcarbon::python ( ) {
+  package { 'python39' :
+    ensure => 'installed',
+  }
+
+}

manifests/runserver.pp

+class tracingcarbon::runserver () {
+  exec { 'Run django' :
+    command => 'python3.9 manage.py runserver',
+    path    => [ '/usr/bin', '/bin' ],
+    cwd     => '/home/mange61/tracing-carbon',
+    user    => 'mange61',
+    unless  => 'nc localhost 8000 -w 1',
+  }
+}

manifests/yarn.pp

+class tracingcarbon::yarn ( ) {
+  package { 'nodejs' :
+    ensure => 'installed',
+  }
+
+}

tests/python.pp

+include tracingcarbon::python

tests/runserver.pp

+include tracingcarbon::runserver

tests/yarn.pp

+include tracingcarbon::yarn