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quay/data/migrations/migration.sh
2014-10-07 16:09:30 -04:00

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set -e
up_mysql() {
# Run a SQL database on port 3306 inside of Docker.
docker run --name mysql -p 3306:3306 -e MYSQL_ROOT_PASSWORD=password -d mysql
# Sleep for 5s to get MySQL get started.
echo 'Sleeping for 5...'
sleep 5
# Add the database to mysql.
docker run --rm --link mysql:mysql mysql sh -c 'echo "create database genschema" | mysql -h"$MYSQL_PORT_3306_TCP_ADDR" -P"$MYSQL_PORT_3306_TCP_PORT" -uroot -ppassword'
}
down_mysql() {
docker kill mysql
docker rm mysql
}
up_postgres() {
# Run a SQL database on port 5432 inside of Docker.
docker run --name postgres -p 5432:5432 -d postgres
# Sleep for 5s to get SQL get started.
echo 'Sleeping for 5...'
sleep 5
# Add the database to postgres.
docker run --rm --link postgres:postgres postgres sh -c 'echo "create database genschema" | psql -h "$POSTGRES_PORT_5432_TCP_ADDR" -p "$POSTGRES_PORT_5432_TCP_PORT" -U postgres'
}
down_postgres() {
docker kill postgres
docker rm postgres
}
gen_migrate() {
# Generate a SQLite database with the schema as defined by the existing alembic model.
GENMIGRATE=$1 PYTHONPATH=. alembic upgrade head
# Generate the migration to the current model.
GENMIGRATE=$1 PYTHONPATH=. alembic revision --autogenerate -m "$2"
}
test_migrate() {
# Generate a SQLite database with the schema as defined by the existing alembic model.
GENMIGRATE=$1 PYTHONPATH=. alembic upgrade head
# Downgrade to verify it works in both directions.
COUNT=`ls data/migrations/versions/*.py | wc -l | tr -d ' '`
GENMIGRATE=$1 PYTHONPATH=. alembic downgrade "-$COUNT"
}
# Test (and generate, if requested) via MySQL.
echo '> Starting MySQL'
up_mysql
if [ ! -z "$@" ]
then
set +e
echo '> Generating Migration'
gen_migrate "mysql" "$@"
set -e
fi
echo '> Testing Migration (mysql)'
set +e
test_migrate "mysql"
set -e
down_mysql
# Test via Postgres.
echo '> Starting Postgres'
up_postgres
echo '> Testing Migration (postgres)'
set +e
test_migrate "postgres"
set -e
down_postgres