updates

server/pegasus-health-json

@@ -2,6 +2,15 @@
 """Read-only JSON adapter for an existing pegasus-health --verbose command."""
 import datetime
 import json
+
+def system_uptime_seconds():
+    """Read Linux kernel uptime without privilege or external commands."""
+    try:
+        with open('/proc/uptime', encoding='ascii') as handle:
+            return max(0, int(float(handle.read().split()[0])))
+    except (OSError, ValueError, IndexError):
+        return None
+
 import re
 import subprocess
 import sys
@@ -56,7 +65,7 @@ def output():
     if not checks:
         counts['fail'] = max(1, counts['fail'])
     overall = 'fail' if counts['fail'] or any(g['status']=='fail' for g in groups) else 'warn' if counts['warn'] or any(g['status']=='warn' for g in groups) else 'ok'
-    print(json.dumps({'schema':1, 'host':'pegasus', 'generatedAt':datetime.datetime.now(datetime.timezone.utc).isoformat(), 'overall':overall, 'counts':counts,'groups':groups,'checks':checks, 'diagnostics':plain[-24000:], 'commandExitCode':p.returncode}, ensure_ascii=False))
+    print(json.dumps({'schema':1, 'host':'pegasus', 'uptimeSeconds':system_uptime_seconds(), 'generatedAt':datetime.datetime.now(datetime.timezone.utc).isoformat(), 'overall':overall, 'counts':counts,'groups':groups,'checks':checks, 'diagnostics':plain[-24000:], 'commandExitCode':p.returncode}, ensure_ascii=False))
     return {'ok':0,'warn':1,'fail':2}[overall]
 
 if __name__ == '__main__':