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#! /bin/sh
set -e
if [ "${S3_ACCESS_KEY_ID}" = "**None**" ]; then
echo "You need to set the S3_ACCESS_KEY_ID environment variable."
exit 1
fi
if [ "${S3_SECRET_ACCESS_KEY}" = "**None**" ]; then
echo "You need to set the S3_SECRET_ACCESS_KEY environment variable."
exit 1
fi
if [ "${S3_BUCKET}" = "**None**" ]; then
echo "You need to set the S3_BUCKET environment variable."
exit 1
fi
if [ "${MYSQL_HOST}" = "**None**" ]; then
echo "You need to set the MYSQL_HOST environment variable."
exit 1
fi
if [ "${MYSQL_USER}" = "**None**" ]; then
echo "You need to set the MYSQL_USER environment variable."
exit 1
fi
if [ "${MYSQL_PASSWORD}" = "**None**" ]; then
echo "You need to set the MYSQL_PASSWORD environment variable or link to a container named MYSQL."
exit 1
fi
# env vars needed for aws tools
export AWS_ACCESS_KEY_ID=$S3_ACCESS_KEY_ID
export AWS_SECRET_ACCESS_KEY=$S3_SECRET_ACCESS_KEY
export AWS_DEFAULT_REGION=$S3_REGION
MYSQL_HOST_OPTS="-h $MYSQL_HOST --port $MYSQL_PORT -u $MYSQL_USER -p$MYSQL_PASSWORD"
echo "Creating dump of ${MYSQLDUMP_DATABASE} database(s) from ${MYSQL_HOST}..."
mysqldump $MYSQL_HOST_OPTS $MYSQLDUMP_OPTIONS $MYSQLDUMP_DATABASE | gzip > dump.sql.gz
echo "Uploading dump to $S3_BUCKET"
cat dump.sql.gz | aws s3 cp - s3://$S3_BUCKET/$S3_PREFIX/$(date +"%Y-%m-%dT%H%M%SZ").sql.gz || exit 2
echo "SQL backup uploaded successfully"