61 lines
1.9 KiB
Bash
61 lines
1.9 KiB
Bash
#!/usr/bin/env bash
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# wait-healthy.sh — poll docker compose services until all are healthy/running.
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# Invoked by the compose-wait-healthy composite action. Configure via env vars:
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# WAIT_HEALTHY_SERVICES whitespace-separated list of service names (required)
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# WAIT_HEALTHY_DEADLINE seconds before the script fails (default: 600)
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# WAIT_HEALTHY_POLL seconds between polls (default: 5)
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# COMPOSE_PROJECT compose project name passed via -p (optional)
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set -euo pipefail
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compose() {
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if [[ -n "${COMPOSE_PROJECT:-}" ]]; then
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docker compose -p "${COMPOSE_PROJECT}" "$@"
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else
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docker compose "$@"
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fi
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}
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read -r -a services <<< "${WAIT_HEALTHY_SERVICES}"
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if [[ ${#services[@]} -eq 0 ]]; then
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echo "ERROR: WAIT_HEALTHY_SERVICES is empty" >&2
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exit 64
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fi
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deadline="${WAIT_HEALTHY_DEADLINE:-600}"
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poll="${WAIT_HEALTHY_POLL:-5}"
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start="$(date +%s)"
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while :; do
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pending=()
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for svc in "${services[@]}"; do
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cid="$(compose ps -q "${svc}" || true)"
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if [[ -z "${cid}" ]]; then
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pending+=("${svc}(no container)")
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continue
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fi
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status="$(docker inspect --format '{{if .State.Health}}{{.State.Health.Status}}{{else}}{{.State.Status}}{{end}}' "${cid}" 2>/dev/null || echo unknown)"
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case "${status}" in
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healthy|running) ;;
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*) pending+=("${svc}=${status}") ;;
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esac
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done
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if [[ ${#pending[@]} -eq 0 ]]; then
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echo "all services healthy: ${services[*]}"
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exit 0
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fi
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elapsed=$(( $(date +%s) - start ))
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if (( elapsed > deadline )); then
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echo "FAIL: timeout after ${elapsed}s waiting on: ${pending[*]}" >&2
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for svc in "${services[@]}"; do
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echo "----- ${svc} (last 50 log lines) -----" >&2
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compose logs --no-color --tail=50 "${svc}" >&2 || true
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done
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exit 1
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fi
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printf '[%4ds] waiting on: %s\n' "${elapsed}" "${pending[*]}"
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sleep "${poll}"
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done
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