29 lines
788 B
Bash
29 lines
788 B
Bash
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#!/bin/sh
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# Healthcheck: verify the planner-agent heartbeat is fresh.
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# The planner touches /opt/homelab/state/planner-agent.heartbeat
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# at the top of every poll cycle (≤5 s intervals).
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# We fail if it is older than 300 s (5 min = one full cooldown window).
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HEARTBEAT_FILE="${RUNTIME_PATH:-/opt/homelab}/state/planner-agent.heartbeat"
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MAX_AGE_SECONDS=300
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if [ ! -f "$HEARTBEAT_FILE" ]; then
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echo "FAIL: heartbeat file missing: $HEARTBEAT_FILE"
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exit 1
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fi
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NOW=$(date +%s)
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FILE_TIME=$(stat -c %Y "$HEARTBEAT_FILE" 2>/dev/null) || {
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echo "FAIL: cannot stat heartbeat file"
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exit 1
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}
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AGE=$((NOW - FILE_TIME))
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if [ "$AGE" -gt "$MAX_AGE_SECONDS" ]; then
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echo "FAIL: heartbeat stale (${AGE}s > ${MAX_AGE_SECONDS}s)"
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exit 1
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fi
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echo "OK: heartbeat age ${AGE}s"
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exit 0
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