provide defaults for threshold_configs

.vscode/launch.json

@@ -9,7 +9,7 @@
       "type": "debugpy",
       "request": "launch",
       "module": "hbd.server.cli",
-      "args": ["-c", "/home/andreas/git/heartbeat/.hb.yaml", "-f", "-v", "-x"],
+      "args": ["-c", "~/.hb.yaml", "-f", "-v", "-x"],
       "cwd": "${workspaceFolder}",
       "env": {
         "PYTHONPATH": "${workspaceFolder}"
@@ -32,7 +32,7 @@
       "type": "debugpy",
       "request": "launch",
       "module": "debugpy",
-      "args": ["--listen", "5678", "--wait-for-client", "-m", "hbd.server.cli", "-c", ".hb.yaml", "-f", "-v"],
+      "args": ["--listen", "5678", "--wait-for-client", "-m", "hbd.server.cli", "-c", "~/.hb.yaml", "-f", "-v"],
       "env": { "PYTHONPATH": "${workspaceFolder}" },
       "console": "integratedTerminal",
       "justMyCode": false

hbd/server/config.py

@@ -69,6 +69,37 @@ SERVER_DEFAULTS = {
     "thresholds": {},
 }
 
+THRESHOLD_DEFAULTS = {
+    'thresholds': {
+        'cpu_monitor': {
+            'cpu_percent': {
+                'warning': 80.0, 
+                'critical': 90.0
+                }
+            },
+            'memory_monitor': {
+                'percent': {
+                    'warning': 85.0,
+                    'critical': 95.0
+                }
+            },
+            'disk_monitor': {
+                'partitions': {
+                    '/': {
+                        'percent': {
+                            'warning': 85.0,
+                            'critical': 90.0
+                        }
+                    }
+                }
+            },
+            'rtt': {
+                'warning': 200,
+                'critical': 250.0
+            }
+        }
+    }
+
 
 def load_config(path=None):
     """Load configuration from a YAML file and merge with server defaults.

hbd/server/templates/settings.html

@@ -3,6 +3,10 @@
   {% include 'head.html' %}
 
   <style>
+    html, body {
+      overflow: visible;
+    }
+
     body {
       margin: 20px;
       background: #f5f5f5;

hbd/server/threshold.py

@@ -14,6 +14,7 @@ import time
 from enum import Enum
 from typing import Dict, Any, Optional, Tuple, Callable
 from . import notify as notify_mod
+from .config import THRESHOLD_DEFAULTS
 
 logger = logging.getLogger(__name__)
 eventlog = notify_mod.eventlog
@@ -391,8 +392,28 @@ class ThresholdChecker:
             logger.info("No threshold configurations defined")
             return
 
-        # Parse each named configuration
+        # Build effective_defaults: THRESHOLD_DEFAULTS merged with the 'default' config (if present).
+        # All other configs inherit any metric not explicitly defined from effective_defaults.
+        effective_defaults: Dict[str, ThresholdConfig] = {}
+        for plugin_name, plugin_thresholds in THRESHOLD_DEFAULTS.get("thresholds", {}).items():
+            if isinstance(plugin_thresholds, dict):
+                self._parse_plugin_thresholds(plugin_name, plugin_thresholds, target_dict=effective_defaults)
+
+        if "default" in threshold_configs:
+            default_data = threshold_configs["default"]
+            if isinstance(default_data, dict) and "thresholds" in default_data:
+                for plugin_name, plugin_thresholds in default_data["thresholds"].items():
+                    if isinstance(plugin_thresholds, dict):
+                        self._parse_plugin_thresholds(plugin_name, plugin_thresholds, target_dict=effective_defaults)
+
+        self.threshold_configs["default"] = dict(effective_defaults)
+        logger.info("Registered 'default' threshold config with %d metrics", len(effective_defaults))
+
+        # Parse each named configuration, seeding it with effective_defaults first
         for config_name, config_data in threshold_configs.items():
+            if config_name == "default":
+                continue  # already handled above
+
             if not isinstance(config_data, dict):
                 logger.warning("Invalid threshold config '%s', skipping", config_name)
                 continue
@@ -402,7 +423,7 @@ class ThresholdChecker:
                 continue
 
             logger.info("Parsing threshold configuration: %s", config_name)
-            self.threshold_configs[config_name] = {}
+            self.threshold_configs[config_name] = dict(effective_defaults)
 
             thresholds_config = config_data["thresholds"]
             for plugin_name, plugin_thresholds in thresholds_config.items():