Feature/pulsar api key support (#308)

* Add pulsar API token check

* Added missing api_key references

---------

Co-authored-by: Tyler O <4535788+toliver38@users.noreply.github.com>

trustgraph-base/trustgraph/base/base_processor.py

@@ -12,6 +12,7 @@ from .. log_level import LogLevel
 class BaseProcessor:
 
     default_pulsar_host = os.getenv("PULSAR_HOST", 'pulsar://pulsar:6650')
+    default_pulsar_api_key = os.getenv("PULSAR_API_KEY", None)
 
     def __init__(self, **params):
 
@@ -30,15 +31,23 @@ class BaseProcessor:
 
         pulsar_host = params.get("pulsar_host", self.default_pulsar_host)
         pulsar_listener = params.get("pulsar_listener", None)
+        pulsar_api_key = params.get("pulsar_api_key", None)
         log_level = params.get("log_level", LogLevel.INFO)
 
         self.pulsar_host = pulsar_host
-
-        self.client = pulsar.Client(
+        if pulsar_api_key:
+            auth = pulsar.AuthenticationToken(pulsar_api_key)
+            self.client = pulsar.Client(
+            pulsar_host,
+            authentication=auth,
+            logger=pulsar.ConsoleLogger(log_level.to_pulsar())
+            )
+        else:
+            self.client = pulsar.Client(
             pulsar_host,
             listener_name=pulsar_listener,
             logger=pulsar.ConsoleLogger(log_level.to_pulsar())
-        )
+            )
 
         self.pulsar_listener = pulsar_listener
 
@@ -56,6 +65,12 @@ class BaseProcessor:
             default=__class__.default_pulsar_host,
             help=f'Pulsar host (default: {__class__.default_pulsar_host})',
         )
+        
+        parser.add_argument(
+            '--pulsar-api-key',
+            default=__class__.default_pulsar_api_key,
+            help=f'Pulsar API key',
+        )
 
         parser.add_argument(
             '--pulsar-listener',

trustgraph-base/trustgraph/base/publisher.py

@@ -31,8 +31,6 @@ class Publisher:
         while self.running:
 
             try:
-
-                print(self.chunking_enabled)
                 producer = self.client.create_producer(
                     topic=self.topic,
                     schema=self.schema,