island: Add "environment" section to server_config.json

Put the environment config inside its own "environment" object in the
server_config.json to provide a logical separation between the
environment config, logger config, data directory, etc.

monkey/monkey_island/cc/environment/environment_config.py

@@ -35,7 +35,7 @@ class EnvironmentConfig:
 
     def _load_from_json(self, config_json: str) -> EnvironmentConfig:
         data = json.loads(config_json)
-        self._load_from_dict(data)
+        self._load_from_dict(data["environment"])
 
     def _load_from_dict(self, dict_data: Dict):
         aws = dict_data["aws"] if "aws" in dict_data else None
@@ -52,8 +52,13 @@ class EnvironmentConfig:
         return os.path.abspath(os.path.expanduser(os.path.expandvars(self.data_dir)))
 
     def save_to_file(self):
+        with open(self._server_config_path, "r") as f:
+            config = json.load(f)
+
+        config["environment"] = self.to_dict()
+
         with open(self._server_config_path, "w") as f:
-            f.write(json.dumps(self.to_dict(), indent=2))
+            f.write(json.dumps(config, indent=2))
 
     def to_dict(self) -> Dict:
         config_dict = {

monkey/monkey_island/cc/server_config.json.develop

@@ -1,5 +1,8 @@
 {
-  "server_config": "password",
   "deployment": "develop",
-  "log_level": "DEBUG"
+  "log_level": "DEBUG",
+  "environment": {
+    "server_config": "password",
+    "deployment": "develop"
+  }
 }

monkey/tests/monkey_island/cc/environment/test_environment_config.py

@@ -54,13 +54,29 @@ def test_save_to_file(config_file, standard_with_credentials):
     with open(config_file, "r") as f:
         from_file = json.load(f)
 
-    assert len(from_file.keys()) == 6
-    assert from_file["server_config"] == "standard"
-    assert from_file["deployment"] == "develop"
-    assert from_file["user"] == "test"
-    assert from_file["password_hash"] == "abcdef"
-    assert from_file["aws"] == "test_aws"
-    assert from_file["data_dir"] == DEFAULT_DATA_DIR
+    assert len(from_file.keys()) == 2
+    assert len(from_file["environment"].keys()) == 6
+    assert from_file["environment"]["server_config"] == "standard"
+    assert from_file["environment"]["deployment"] == "develop"
+    assert from_file["environment"]["user"] == "test"
+    assert from_file["environment"]["password_hash"] == "abcdef"
+    assert from_file["environment"]["aws"] == "test_aws"
+    assert from_file["environment"]["data_dir"] == DEFAULT_DATA_DIR
+
+
+def test_save_to_file_preserve_log_level(config_file, standard_with_credentials):
+    shutil.copyfile(standard_with_credentials, config_file)
+
+    environment_config = EnvironmentConfig(config_file)
+    environment_config.aws = "test_aws"
+    environment_config.save_to_file()
+
+    with open(config_file, "r") as f:
+        from_file = json.load(f)
+
+    assert len(from_file.keys()) == 2
+    assert "log_level" in from_file
+    assert from_file["log_level"] == "NOTICE"
 
 
 def test_add_user(config_file, standard_with_credentials):
@@ -76,9 +92,9 @@ def test_add_user(config_file, standard_with_credentials):
     with open(config_file, "r") as f:
         from_file = json.load(f)
 
-    assert len(from_file.keys()) == 5
-    assert from_file["user"] == new_user
-    assert from_file["password_hash"] == new_password_hash
+    assert len(from_file["environment"].keys()) == 5
+    assert from_file["environment"]["user"] == new_user
+    assert from_file["environment"]["password_hash"] == new_password_hash
 
 
 def test_get_users(standard_with_credentials):

monkey/tests/resources/environment/server_config_no_credentials.json

@@ -1,4 +1,6 @@
 {
+  "environment" : {
     "server_config": "password",
     "deployment": "develop"
+  }
 }

monkey/tests/resources/environment/server_config_partial_credentials.json

@@ -1,5 +1,7 @@
 {
+  "environment" : {
     "server_config": "password",
     "deployment": "develop",
     "user": "test"
+  }
 }

monkey/tests/resources/environment/server_config_standard_env.json

@@ -1,4 +1,6 @@
 {
+  "environment" : {
     "server_config": "standard",
     "deployment": "develop"
+  }
 }

monkey/tests/resources/environment/server_config_standard_with_credentials.json

@@ -1,6 +1,9 @@
 {
+  "log_level": "NOTICE",
+  "environment" : {
     "server_config": "standard",
     "deployment": "develop",
     "user": "test",
     "password_hash": "abcdef"
+  }
 }

monkey/tests/resources/environment/server_config_with_credentials.json

@@ -1,6 +1,8 @@
 {
+  "environment" : {
     "server_config": "password",
     "deployment": "develop",
     "user": "test",
     "password_hash": "abcdef"
+  }
 }

monkey/tests/resources/environment/server_config_with_data_dir.json

@@ -1,7 +1,9 @@
 {
+  "data_dir": "/test/data/dir",
+  "environment" : {
     "server_config": "password",
     "deployment": "develop",
     "user": "test",
-    "password_hash": "abcdef",
-    "data_dir": "/test/data/dir"
+    "password_hash": "abcdef"
+  }
 }

monkey/tests/resources/environment/server_config_with_data_dir_home.json

@@ -1,7 +1,9 @@
 {
+  "data_dir": "~/data_dir",
+  "environment" : {
     "server_config": "password",
     "deployment": "develop",
     "user": "test",
-    "password_hash": "abcdef",
-    "data_dir": "~/data_dir"
+    "password_hash": "abcdef"
+  }
 }