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Update DB script.

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LukeMathWalker 2021-04-02 11:50:28 +01:00
parent 77d15630ca
commit 25ab9a748c
1 changed files with 12 additions and 2 deletions
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14
scripts/init_db.sh
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@ -3,17 +3,26 @@ set -x
set -eo pipefail set -eo pipefail
# Check if a custom user has been set, otherwise default to 'postgres' # Check if a custom user has been set, otherwise default to 'postgres'
DB_USER=${POSTGRES_USER:=postgres} DB_USER="${POSTGRES_USER:=postgres}"
# Check if a custom password has been set, otherwise default to 'password' # Check if a custom password has been set, otherwise default to 'password'
DB_PASSWORD="${POSTGRES_PASSWORD:=password}" DB_PASSWORD="${POSTGRES_PASSWORD:=password}"
# Check if a custom password has been set, otherwise default to 'newsletter' # Check if a custom password has been set, otherwise default to 'newsletter'
DB_NAME="${POSTGRES_DB:=newsletter}" DB_NAME="${POSTGRES_DB:=newsletter}"
# Check if a custom port has been set, otherwise default to '5432' # Check if a custom port has been set, otherwise default to '5432'
DB_PORT="${POSTGRES_PORT:=5432}" DB_PORT="${POSTGRES_PORT:=5432}"
# Check if a custom host has been set, otherwise default to 'localhost'
DB_HOST="${POSTGRES_HOST:=localhost}"
# Allow to skip Docker if a dockerized Postgres database is already running # Allow to skip Docker if a dockerized Postgres database is already running
if [[ -z "${SKIP_DOCKER}" ]] if [[ -z "${SKIP_DOCKER}" ]]
then then
# if a postgres container is running, print instructions to kill it and exit
RUNNING_POSTGRES_CONTAINER=$(docker ps --filter 'name=postgres' --format '{{.ID}}')
if [[ -n $RUNNING_POSTGRES_CONTAINER ]]; then
echo >&2 "there is a postgres container already running, kill it with"
echo >&2 " docker kill ${RUNNING_POSTGRES_CONTAINER}"
exit 1
fi
# Launch postgres using Docker # Launch postgres using Docker
docker run \ docker run \
-e POSTGRES_USER=${DB_USER} \ -e POSTGRES_USER=${DB_USER} \
@ -21,12 +30,13 @@ then
-e POSTGRES_DB=${DB_NAME} \ -e POSTGRES_DB=${DB_NAME} \
-p "${DB_PORT}":5432 \ -p "${DB_PORT}":5432 \
-d postgres \ -d postgres \
--name "postgres_$(date '+%s')" \
postgres -N 1000 postgres -N 1000
# ^ Increased maximum number of connections for testing purposes # ^ Increased maximum number of connections for testing purposes
fi fi
# Keep pinging Postgres until it's ready to accept commands # Keep pinging Postgres until it's ready to accept commands
until PGPASSWORD="${DB_PASSWORD}" psql -h "localhost" -U "${DB_USER}" -p "${DB_PORT}" -d "postgres" -c '\q'; do until PGPASSWORD="${DB_PASSWORD}" psql -h "${DB_HOST}" -U "${DB_USER}" -p "${DB_PORT}" -d "postgres" -c '\q'; do
>&2 echo "Postgres is still unavailable - sleeping" >&2 echo "Postgres is still unavailable - sleeping"
sleep 1 sleep 1
done done