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Local Migration

Background

The migration appplication transforms XML data from the jDV into a relational DB structure. This includes lookup tables (courts, norm abbreviations, keywords and many more) and documentation units. The caselaw application uses the database that is filled by the migration application.

This instruction will allow engineers to setup their local environment with the lookup tables, that are necessary to run the caselaw application, and some test documentation units if desired.

Prerequisites

  1. Clone ris-data-migration repository

    git clone git@github.com:digitalservicebund/ris-data-migration.git

  2. Follow the steps here to get access to OTC buckets via command line. You can use the AWS_ environment variables that you use for neuris-infra: https://platform-docs.prod.ds4g.net/user-docs/how-to-guides/access-obs-via-aws-sdk/ Check if you can access the right bucket with

    aws s3 ls --profile otc --endpoint-url https://obs.eu-de.otc.t-systems.com s3://neuris-migration-juris-data
# output should look like this:
#                           PRE daily/
#                           PRE monthly/

  3. Make sure Docker is running

Import Data

Checkout Migration at Current Tag

Checkout the tag that is used in backend/build.gradle.kts , e.g.

cd ris-data-migration
git checkout --tag "0.0.3"

Import with Script

From here you can run the import by:

chmod +x run_migration_locally.sh
./run_migration_locally.sh

To repeat files downloading, remove the import folder in the migration folder, and rerun.

Import Manually

Initialize the Schema

  1. In ris-backend-service start the database

    cd ris-backend-service
docker compose up postgres14
# or use your favourite startup command, e.g. ./run.sh dev --no-backend

  2. All data that is migrated by the migration application resides in the incremental_migration DB schema. Make sure it exists in your local database

  3. Create a directory where you will store the xml files to import into the database in ris-data-migration

    cd ris-data-migration
mkdir juris-xml-data

  4. Download the lookup tables in ris-data-migration

    aws s3 cp --profile otc --endpoint-url https://obs.eu-de.otc.t-systems.com --recursive s3://neuris-migration-juris-data/monthly/2024/10/Tabellen ./juris-xml-data/Tabellen

  5. Download example BGH DocumentationUnits in ris-data-migration

    aws s3 cp --profile otc --endpoint-url https://obs.eu-de.otc.t-systems.com --recursive s3://neuris-migration-juris-data/monthly/2024/05/BGH-juris/RSP/2022/ ./juris-xml-data/BGH-juris/RSP/2022/

  6. Setup your local .env file with this command as described in Set up local env

  7. Change the .env file in ris-migration-data with the following variables:

    RIS_MIGRATION_TABLES_LOCATION=juris-xml-data
RIS_MIGRATION_INCLUDE_NORM_ABBREVIATIONS=true
RIS_MIGRATION_CLI_MODE=true

# database config
RIS_MIGRATION_DB_HOST=localhost
RIS_MIGRATION_DB_PORT=5432
RIS_MIGRATION_DB_NAME=neuris
RIS_MIGRATION_DB_USER=migration
RIS_MIGRATION_DB_PASSWORD=migration
RIS_MIGRATION_DB_SCHEMA=incremental_migration

  8. For console logging

    export SPRING_PROFILES_ACTIVE=dev

  9. Build the ris-data-migration application into a jar

    ./gradlew :cli:bootJar

  10. Import the static lookup tables into your new schema (see Confluence "Wertetabellen" to find out what is static and dynamic)

    java -jar cli/build/libs/ris-data-migration-cli.jar refdata seed

  11. Import the dynamic lookup tables

    java -jar cli/build/libs/ris-data-migration-cli.jar juris-table seed

  12. Import the BGH DocumentationUnits

    java -jar cli/build/libs/ris-data-migration-cli.jar juris-r migrate -p juris-xml-data/

Update the Lookup Tables / Reimport for Backfilling

  1. Checkout ris-data-migration at the currently used tag (see "Checkout Migration at Current Tag" above)

  2. Download the new lookup tables and document units (see steps 4 and 5 above)

  3. If you need to fill new categories in all documentation units, truncate the incremental_migration schema

  4. To update/reimport new data, repeat steps 9 - 12 above

Update by script:

Delete the folder in pointed in DATA_MIGRATION_IMPORT_PATH, update the month/day in the s3 commands and rerun the script. It will download the necessary files again.

./run_migration_locally.sh