43 lines
816 B
Text
43 lines
816 B
Text
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#!/bin/bash
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set -o errexit
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set -o pipefail
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set -o nounset
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if [ -z "${POSTGRES_USER}" ]; then
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base_postgres_image_default_user='postgres'
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export POSTGRES_USER="${base_postgres_image_default_user}"
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fi
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export DATABASE_URL="postgres://${POSTGRES_USER}:${POSTGRES_PASSWORD}@${POSTGRES_HOST}:${POSTGRES_PORT}/${POSTGRES_DB}"
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postgres_ready() {
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python << END
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import sys
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import psycopg2
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try:
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psycopg2.connect(
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dbname="${POSTGRES_DB}",
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user="${POSTGRES_USER}",
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password="${POSTGRES_PASSWORD}",
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host="${POSTGRES_HOST}",
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port="${POSTGRES_PORT}",
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)
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except psycopg2.OperationalError:
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sys.exit(-1)
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sys.exit(0)
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END
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}
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until postgres_ready; do
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>&2 echo 'Waiting for PostgreSQL to become available...'
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sleep 1
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done
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>&2 echo 'PostgreSQL is available'
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exec "$@"
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