add "--log-level" option for "ros2 component load"

Signed-off-by: Peng Wang <penwang@qti.qualcomm.com>

Author: penww

ros2component/ros2component/api/__init__.py

@@ -34,6 +34,15 @@
 
 COMPONENTS_RESOURCE_TYPE = 'rclcpp_components'
 
+_LOG_LEVEL_MAP = {
+    'debug':   rcl_interfaces.msg.LoggerLevel.LOG_LEVEL_DEBUG,
+    'info':    rcl_interfaces.msg.LoggerLevel.LOG_LEVEL_INFO,
+    'warn':    rcl_interfaces.msg.LoggerLevel.LOG_LEVEL_WARN,
+    'warning': rcl_interfaces.msg.LoggerLevel.LOG_LEVEL_WARN,
+    'error':   rcl_interfaces.msg.LoggerLevel.LOG_LEVEL_ERROR,
+    'fatal':   rcl_interfaces.msg.LoggerLevel.LOG_LEVEL_FATAL,
+}
+
 
 def get_package_names_with_component_types():
     """Get the names of all packages that register component types in the ament index."""
@@ -230,7 +239,12 @@ def load_component_into_container(
         if node_namespace is not None:
             request.node_namespace = node_namespace
         if log_level is not None:
-            request.log_level = log_level
+            if log_level not in _LOG_LEVEL_MAP:
+                raise RuntimeError(
+                    f"Invalid log level '{log_level}'. "
+                    'Valid values are: debug, info, warn, error, fatal'
+                )
+            request.log_level = _LOG_LEVEL_MAP[log_level]
         if remap_rules is not None:
             request.remap_rules = remap_rules
         if parameters is not None:
@@ -366,7 +380,11 @@ def add_component_arguments(parser):
     argument.completer = ComponentTypeNameCompleter(package_name_key='package_name')
     parser.add_argument('-n', '--node-name', help='Component node name')
     parser.add_argument('--node-namespace', help='Component node namespace')
-    parser.add_argument('--log-level', help='Component node log level')
+    parser.add_argument(
+        '--log-level', type=str.lower,
+        choices=['debug', 'info', 'warn', 'warning', 'error', 'fatal'],
+        help='Component node log level (debug, info, warn, error, fatal)'
+    )
     parser.add_argument(
         '-r', '--remap-rule', action='append', dest='remap_rules',
         help="Component node remapping rules, in the 'from:=to' form"