mirror of
https://github.com/Alexander-D-Karpov/akarpov
synced 2024-11-15 05:36:41 +03:00
52 lines
1.2 KiB
Bash
52 lines
1.2 KiB
Bash
#!/bin/sh
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set -e
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set -o errexit
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set -o nounset
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. /venv/bin/activate
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# N.B. If only .env files supported variable expansion...
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export CELERY_BROKER_URL="${REDIS_URL}"
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if [ -z "${POSTGRES_USER}" ]; then
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base_postgres_image_default_user='postgres'
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export POSTGRES_USER="${base_postgres_image_default_user}"
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fi
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export DATABASE_URL="postgresql://${POSTGRES_USER}:${POSTGRES_PASSWORD}@${POSTGRES_HOST}:${POSTGRES_PORT}/${POSTGRES_DB}"
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python << END
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import sys
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import time
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import psycopg2
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suggest_unrecoverable_after = 30
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start = time.time()
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while True:
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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="${POSTGRES_PORT}",
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)
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break
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except psycopg2.OperationalError as error:
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sys.stderr.write("Waiting for PostgreSQL to become available...\n")
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if time.time() - start > suggest_unrecoverable_after:
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sys.stderr.write(" This is taking longer than expected. The following exception may be indicative of an unrecoverable error: '{}'\n".format(error))
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time.sleep(1)
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END
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>&2 echo 'PostgreSQL is available'
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exec "$@"
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