28 lines
755 B
Bash
Executable File
28 lines
755 B
Bash
Executable File
#!/usr/bin/env bash
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set -Eeuo pipefail
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log() { echo "[$(date -u +'%Y-%m-%dT%H:%M:%SZ')] $*"; }
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fail() { echo "ERROR: $*" >&2; exit 1; }
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: "${DB_HOST:?DB_HOST required}"
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: "${DB_PORT:?DB_PORT required}"
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: "${DB_NAME:?DB_NAME required}"
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INTERVAL=${WAIT_FOR_DB_INTERVAL:-2}
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TIMEOUT=${WAIT_FOR_DB_TIMEOUT:-30}
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need() { command -v "$1" >/dev/null 2>&1 || fail "Required tool not found in PATH: $1"; }
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need pg_isready
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log "Waiting for database to be ready (timeout=${TIMEOUT}s, interval=${INTERVAL}s)"
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end=$((SECONDS + TIMEOUT))
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while (( SECONDS < end )); do
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if pg_isready -h "$DB_HOST" -p "$DB_PORT" -d "$DB_NAME" >/dev/null 2>&1; then
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log "Postgres is ready."
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exit 0
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fi
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sleep "$INTERVAL"
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done
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fail "Database not ready within ${TIMEOUT}s." |