uptime

Overview

Verifies that the compute node has been running long enough to be considered stable. Warns if the node recently rebooted, which may indicate maintenance or instability.

Command-Line Options

Option	Type	Default	Description
--uptime-threshold	Integer	600 seconds	Minimum uptime before WARN condition (default: 10 minutes)
--timeout	Integer	300	Command execution timeout in seconds
--sink	String	do_nothing	Telemetry sink destination
--sink-opts	Multiple	-	Sink-specific configuration
--verbose-out	Flag	False	Display detailed output
--log-level	Choice	INFO	DEBUG, INFO, WARNING, ERROR, CRITICAL
--log-folder	String	/var/log/fb-monitoring	Log directory
--heterogeneous-cluster-v1	Flag	False	Enable heterogeneous cluster support

Exit Conditions

Exit Code	Condition
OK (0)	Feature flag disabled (killswitch active)
OK (0)	Uptime exceeds threshold
WARN (1)	Uptime below threshold
WARN (1)	Command execution failed

Usage Examples

Basic Uptime Check

# 5 minute threshold (300 seconds)
health_checks check-node uptime \
  --uptime-threshold 300 \
  [CLUSTER] \
  app

With Telemetry

health_checks check-node uptime \
  --sink otel \
  --sink-opts "log_resource_attributes={'attr_1': 'value1'}" \
  --verbose-out \
  [CLUSTER] \
  app

Debug Mode

health_checks check-node uptime \
  --log-level DEBUG \
  --verbose-out \
  [CLUSTER] \
  app