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21 lines
464 B
Bash
21 lines
464 B
Bash
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#!/bin/bash
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set -eo pipefail
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host="$(hostname -i || echo '127.0.0.1')"
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user="${POSTGRES_USER:-postgres}"
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db="${POSTGRES_DB:-$POSTGRES_USER}"
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export PGPASSWORD="${POSTGRES_PASSWORD:-}"
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args=(
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# force postgres to not use the local unix socket (test "external" connectibility)
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--host "$host"
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--username "$user"
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--dbname "$db"
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--quiet --no-align --tuples-only
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)
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if select="$(echo 'SELECT 1' | psql "${args[@]}")" && [ "$select" = '1' ]; then
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exit 0
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fi
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exit 1
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