27 lines
738 B
Bash
27 lines
738 B
Bash
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#!/usr/bin/env bash
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# Wait for an HTTP service to respond with 2xx.
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# Usage: wait-for-service.sh <url> [timeout_seconds] [label]
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set -euo pipefail
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URL="${1:?Usage: wait-for-service.sh <url> [timeout_seconds] [label]}"
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TIMEOUT="${2:-120}"
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LABEL="${3:-$URL}"
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INTERVAL=5
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ATTEMPTS=$((TIMEOUT / INTERVAL))
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if (( ATTEMPTS < 1 )); then ATTEMPTS=1; fi
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for i in $(seq 1 "$ATTEMPTS"); do
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if curl -sf --max-time 3 "$URL" > /dev/null 2>&1; then
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echo "[wait] $LABEL healthy after $((i * INTERVAL))s"
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exit 0
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fi
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echo "[wait] ($i/$ATTEMPTS) $LABEL not ready..."
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sleep "$INTERVAL"
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done
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echo "[wait] ERROR: $LABEL not healthy after ${TIMEOUT}s"
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echo "--- Diagnostic: $URL ---"
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curl -v --max-time 5 "$URL" 2>&1 | head -20 || true
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exit 1
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