42 أسطر
1.7 KiB
Bash
42 أسطر
1.7 KiB
Bash
#!/usr/bin/env bash
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# ==============================================================================
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# Ghaymah Cloud SRE — Q1 Automated Health Check Monitoring Script (Bash)
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# Performs HTTP /healthz checks every 30 seconds, logs latency & alerts
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# ==============================================================================
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TARGET_URL="${MONITOR_TARGET_URL:-http://localhost:8000/healthz}"
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CHECK_INTERVAL=30
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LOG_FILE="./health_monitor.log"
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echo "⚡ Starting Ghaymah SRE Health Check Script"
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echo "🎯 Target URL: $TARGET_URL"
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echo "⏱️ Check Interval: ${CHECK_INTERVAL}s"
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echo "--------------------------------------------------------"
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while true; do
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TIMESTAMP=$(date -u +"%Y-%m-%dT%H:%M:%SZ")
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# Execute cURL measuring total time in seconds & status code
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START_TIME=$(date +%s%N)
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HTTP_RESPONSE=$(curl -s -o /dev/null -w "%{http_code}" --max-time 5 "$TARGET_URL")
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END_TIME=$(date +%s%N)
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# Calculate round trip time in milliseconds
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LATENCY_MS=$(( (END_TIME - START_TIME) / 1000000 ))
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if [ "$HTTP_RESPONSE" -eq 200 ]; then
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STATUS_STR="[SUCCESS] 🟢 Status: HTTP 200 OK | Latency: ${LATENCY_MS}ms"
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echo "[$TIMESTAMP] $STATUS_STR"
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echo "[$TIMESTAMP] SUCCESS status=200 latency=${LATENCY_MS}ms" >> "$LOG_FILE"
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else
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STATUS_STR="[ALERT] 🚨 CRITICAL: Service Unhealthy! Code: ${HTTP_RESPONSE} | Latency: ${LATENCY_MS}ms"
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echo "[$TIMESTAMP] $STATUS_STR"
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echo "[$TIMESTAMP] ALERT status=${HTTP_RESPONSE} latency=${LATENCY_MS}ms" >> "$LOG_FILE"
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# Simulated PagerDuty / Ghaymah Alert trigger
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echo "🚨 [PAGERDUTY ALERT] Service at $TARGET_URL responded with HTTP $HTTP_RESPONSE at $TIMESTAMP"
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fi
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sleep $CHECK_INTERVAL
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done
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