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[220.142.201.86]) by smtp.gmail.com with ESMTPSA id v11sm5217666pfu.184.2021.12.08.19.38.57 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 08 Dec 2021 19:38:58 -0800 (PST) From: You-Sheng Yang To: patchwork@lists.ozlabs.org Subject: [PATCH v4 6/8] docker: drop database maintenance stuff Date: Thu, 9 Dec 2021 11:38:41 +0800 Message-Id: <20211209033843.205325-7-vicamo@gmail.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20211209033843.205325-1-vicamo@gmail.com> References: <20211209033843.205325-1-vicamo@gmail.com> MIME-Version: 1.0 X-BeenThere: patchwork@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Patchwork development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: patchwork-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Patchwork" Trying to re-create database inside a client docker could be risky and error prone. 1. The previous handling process may fail service startup when an empty database was created. `test_database()` will always succeed as it tests only the existence of the database, not any table inside. Without migrations being called on such empty database, patchwork cannot work normally. 2. Checking the existence of a patchwork specific table is also invalid under the empty database scenario, because migrations might still remain to be done. As a result, we shall test if the database exist and do migrations always, so this change removes database maintenance functions. Signed-off-by: You-Sheng Yang --- docker-compose-pg.yml | 2 + docker-compose.yml | 3 +- docs/development/installation.rst | 10 ++- ...se-maintenance-stuff-e3317975c1c53ade.yaml | 5 ++ tools/docker/entrypoint.sh | 67 +++---------------- 5 files changed, 25 insertions(+), 62 deletions(-) create mode 100644 releasenotes/notes/docker-drop-database-maintenance-stuff-e3317975c1c53ade.yaml diff --git a/docker-compose-pg.yml b/docker-compose-pg.yml index e703b96..9129f32 100644 --- a/docker-compose-pg.yml +++ b/docker-compose-pg.yml @@ -5,6 +5,8 @@ services: volumes: - ./tools/docker/db/postdata:/var/lib/postgresql/data environment: + - POSTGRES_DB=patchwork + - POSTGRES_USER=patchwork - POSTGRES_PASSWORD=password web: diff --git a/docker-compose.yml b/docker-compose.yml index b91b7ef..d824436 100644 --- a/docker-compose.yml +++ b/docker-compose.yml @@ -6,6 +6,7 @@ services: - ./tools/docker/db/data:/var/lib/mysql environment: - MYSQL_ROOT_PASSWORD=root + - MYSQL_DATABASE=patchwork - MYSQL_USER=patchwork - MYSQL_PASSWORD=password @@ -28,6 +29,6 @@ services: # skip DATABASE_TYPE explicitly as mysql should be the default type. - DATABASE_HOST=db - DATABASE_PORT=3306 + - DATABASE_NAME=patchwork - DATABASE_USER=patchwork - DATABASE_PASSWORD=password - - MYSQL_ROOT_PASSWORD=root diff --git a/docs/development/installation.rst b/docs/development/installation.rst index c5c0269..877c2f6 100644 --- a/docs/development/installation.rst +++ b/docs/development/installation.rst @@ -91,6 +91,10 @@ To run unit tests against the system Python packages, run: .. code-block:: shell + # For MySQL database: + $ docker-compose exec -T -- db sh -c \ + "exec mysql -uroot -p\"\${MYSQL_ROOT_PASSWORD}\" -e \"GRANT ALL ON \\\`test\\_\${MYSQL_DATABASE}%\\\`.* to '\${MYSQL_USER}'@'%'; FLUSH PRIVILEGES;\"" + $ docker-compose run --rm web python manage.py test To run unit tests for multiple versions using ``tox``, run: @@ -99,12 +103,12 @@ To run unit tests for multiple versions using ``tox``, run: $ docker-compose run --rm web tox -To reset the database before any of these commands, add ``--reset`` to the -command line after ``web`` and before any other arguments: +To reset the database, stop the db container and purge the database files: .. code-block:: shell - $ docker-compose run --rm web --reset tox + $ docker-compose stop db + $ sudo rm -rf tools/docker/db Any local edits to the project files made locally are immediately visible to the Docker container, and so should be picked up by the Django auto-reloader. diff --git a/releasenotes/notes/docker-drop-database-maintenance-stuff-e3317975c1c53ade.yaml b/releasenotes/notes/docker-drop-database-maintenance-stuff-e3317975c1c53ade.yaml new file mode 100644 index 0000000..9cf0fcb --- /dev/null +++ b/releasenotes/notes/docker-drop-database-maintenance-stuff-e3317975c1c53ade.yaml @@ -0,0 +1,5 @@ +--- +fixes: + - | + No longer perform database recreation inside development container startup. + Users should provide a ready-to-use database, empty or previously populated. diff --git a/tools/docker/entrypoint.sh b/tools/docker/entrypoint.sh index 7e0af5a..d1bad82 100755 --- a/tools/docker/entrypoint.sh +++ b/tools/docker/entrypoint.sh @@ -16,20 +16,11 @@ postgres) *) export DATABASE_TYPE=mysql mysql_args=( ${DATABASE_HOST:+--host=${DATABASE_HOST}} ${DATABASE_PORT:+--port=${DATABASE_PORT}} "--user=${DATABASE_USER}" "--password=${DATABASE_PASSWORD}" ) - mysql_root_args=( ${DATABASE_HOST:+--host=${DATABASE_HOST}} ${DATABASE_PORT:+--port=${DATABASE_PORT}} "--user=root" "--password=${MYSQL_ROOT_PASSWORD:-}" ) ;; esac # functions -test_db_connection() { - if [ ${DATABASE_TYPE} = "postgres" ]; then - echo ';' | psql "${psql_args[@]}" 2> /dev/null > /dev/null - else - mysqladmin "${mysql_root_args[@]}" ping > /dev/null 2> /dev/null - fi -} - test_database() { if [ ${DATABASE_TYPE} = "postgres" ]; then echo ';' | psql "${psql_args[@]}" "${DATABASE_NAME}" 2> /dev/null @@ -38,37 +29,6 @@ test_database() { fi } -reset_data_mysql() { - mysql "${mysql_root_args[@]}" << EOF -DROP DATABASE IF EXISTS ${DATABASE_NAME}; -CREATE DATABASE ${DATABASE_NAME} CHARACTER SET utf8; -GRANT ALL ON ${DATABASE_NAME}.* TO '${DATABASE_USER}' IDENTIFIED BY '${DATABASE_PASSWORD}'; -GRANT ALL ON \`test\\_${DATABASE_NAME}%\`.* to '${DATABASE_USER}'@'%'; -FLUSH PRIVILEGES; -EOF -} - -reset_data_postgres() { - psql "${psql_args[@]}" < /dev/null - python manage.py loaddata default_tags #> /dev/null - python manage.py loaddata default_states #> /dev/null - python manage.py loaddata default_projects #> /dev/null -} - # the script begins! # check if patchwork is mounted. Checking if we exist is a @@ -103,20 +63,20 @@ done set -e # check if db is connected -if ! test_db_connection; then +if ! test_database; then echo "The database seems not to be connected, or the ${DATABASE_USER} user is broken" echo "MySQL/Postgres may still be starting. Waiting 5 seconds." sleep 5 - if ! test_db_connection; then + if ! test_database; then echo "Still cannot connect to database." echo "Maybe you are starting the db for the first time. Waiting up to 60 seconds." for i in {0..9}; do sleep 5 - if test_db_connection; then + if test_database; then break fi done - if ! test_db_connection; then + if ! test_database; then echo "Still cannot connect to database. Giving up." echo "Are you using docker-compose? If not, have you set up the link correctly?" exit 1 @@ -124,19 +84,10 @@ if ! test_db_connection; then fi fi -# rebuild db -# do this on --reset or if the db doesn't exist -if [[ "$1" == "--reset" ]]; then - shift - reset_data -elif ! test_database; then - reset_data -fi - -if [ $# -eq 0 ]; then - # we probably ran with --reset and nothing else - # just exit cleanly - exit 0 -fi +# load initial data +python manage.py migrate #> /dev/null +python manage.py loaddata default_tags #> /dev/null +python manage.py loaddata default_states #> /dev/null +python manage.py loaddata default_projects #> /dev/null exec "$@"