feat(mongo): Support optional scram auth (#26)

Co-authored-by: Addon Factory template <addonfactory@splunk.com>

splunk_connect_for_snmp_mib_server/mongo.py

@@ -4,36 +4,43 @@
 
 logger = logging.getLogger(__name__)
 
+
 class MibsRepository:
     def __init__(self, mongo_config):
         """
         Create a collection in mongodb to store mib files
         """
-        self._client = MongoClient(os.environ['MONGO_SERVICE_SERVICE_HOST'], int(os.environ['MONGO_SERVICE_SERVICE_PORT']))
-        self._mibs = self._client[mongo_config['database']][mongo_config['collection']]
-
-
+        self._client = MongoClient(
+            os.environ["MONGO_SERVICE_SERVICE_HOST"],
+            int(os.environ["MONGO_SERVICE_SERVICE_PORT"]),
+        )
+        if os.environ.get("MONGO_USER"):
+            self._client.admin.authenticate(
+                os.environ["MONGO_USER"],
+                os.environ["MONGO_PASS"],
+                mechanism="SCRAM-SHA-1",
+            )
+        self._mibs = self._client[mongo_config["database"]][mongo_config["collection"]]
+
     def upload_files(self, mib_files_dir):
         """
         Upload mib files from dir to mongo
         @param mib_files_dir: the path of the mib files directory
         """
         # TODO check duplicate before insert, using filename as PK
         for filename in os.listdir(mib_files_dir):
-            file_path =  mib_files_dir + "/" + filename
+            file_path = mib_files_dir + "/" + filename
             # print(file_path)
-            with open (file_path,'r') as mib_file:
+            with open(file_path, "r") as mib_file:
                 # TODO add try catch, insert only if PK doesn't exit
                 try:
-                    self._mibs.insert_one(dict(
-                    content = mib_file.read(),
-                    filename = filename,
-                    _id = filename
-                    ))
+                    self._mibs.insert_one(
+                        dict(content=mib_file.read(), filename=filename, _id=filename)
+                    )
                 except Exception as e:
-                    logger.error(f"Error happened during insert mib files {filename} into mongo: {e}")
-
-
+                    logger.error(
+                        f"Error happened during insert mib files {filename} into mongo: {e}"
+                    )
 
     def search_oid(self, oid):
         """
@@ -52,27 +59,37 @@ def delete_mib(self, filename):
         Delete mib files based on filename
         @param filename: mib filename
         """
-        self._mibs.delete_many({'filename': {"$regex": filename}})
+        self._mibs.delete_many({"filename": {"$regex": filename}})
 
     def clear(self):
         """
         Clear the collection
         """
         self._mibs.remove()
 
+
 class OidsRepository:
     def __init__(self, mongo_config):
-        self._client = MongoClient(os.environ['MONGO_SERVICE_SERVICE_HOST'], int(os.environ['MONGO_SERVICE_SERVICE_PORT']))
-        self._oids = self._client[mongo_config['database']][mongo_config['collection']]
+        self._client = MongoClient(
+            os.environ["MONGO_SERVICE_SERVICE_HOST"],
+            int(os.environ["MONGO_SERVICE_SERVICE_PORT"]),
+        )
+        if os.environ.get("MONGO_USER"):
+            self._client.admin.authenticate(
+                os.environ["MONGO_USER"],
+                os.environ["MONGO_PASS"],
+                mechanism="SCRAM-SHA-1",
+            )
+        self._oids = self._client[mongo_config["database"]][mongo_config["collection"]]
 
     def contains_oid(self, oid):
-        return self._oids.find({'oid': oid}).count()
+        return self._oids.find({"oid": oid}).count()
 
     def add_oid(self, oid):
-        self._oids.insert_one({'oid': oid})
+        self._oids.insert_one({"oid": oid})
 
     def delete_oid(self, oid):
-        self._oids.delete_many({'oid': oid})
+        self._oids.delete_many({"oid": oid})
 
     def clear(self):
-        self._oids.remove()
+        self._oids.remove()