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Last pushed: 3 months ago
Short Description
Docker for hosting Unified Views
Full Description

UnifiedViews docker

Docker for UnifiedViews 3.0.0 as a single entity.
There are variants in which the application is composed according to its natural components (feature/compactmodular branches).

The original master branch is now moved to 2.1.0 branch

TODO: update documentation
TODO: this is work in progress

Database setup

Unified Views requires an SQL database to store its configuration. If you want to run the SQL database in a Docker container, you can use MariaDB.

docker run --name my-mysql \
           -p 3306:3306 \
           -e MYSQL_ROOT_PASSWORD=password \
           -e MYSQL_USER=unified_views_user \
           -e MYSQL_PASSWORD=unified_views_pwd \
           -e MYSQL_DATABASE=unified_views_db \
           -d mariadb

The following scripts must be executed on the SQL database to create the required tables and populate the Unified Views database before the Unified Views container is started:

Running your Unified Views

docker run --name unified-views \
    -p 8080:8080 --link my-mysql:mysql \
    -v /path/to/lib:/unified-views/lib \
    -v /path/to/dpus:/dpus \
    -e UV_DATABASE_SQL_URL=jdbc:mysql://188.12.34.56:3306/unified_views_db?characterEncoding=utf8 \
    -e UV_DATABASE_SQL_USER=unified_views_user \
    -e UV_DATABASE_SQL_PASSWORD=unified_views_pwd \
    -e MASTER_API_USER=master \
    -e MASTER_API_PASSWORD=mysecretpassword \
    -d tenforce/unified-views

Additional JAR libraries to be loaded on startup (for example DPU dependencies) should be mounted in /unified-views/lib. DPU JAR files mounted in /dpus will be installed automatically on container startup.

The Docker image exposes port 8080 (frontend) and 5001 (backend). The Unified Views GUI is available at http://docker-container-ip:8080/unifiedviews. The master REST API is available at http://docker-container-ip:8080/master.

Configuration

All properties defined in frontend-config.properties and backend-config.properties can be configured via the environment variables. The environment variable should be prefixed with UV_, in uppercase and all dots (.) in the property name should be converted to underscores (_). E.g. property foo.bar=baz should be configured as UV_FOO_BAR=BAZ.

The credentials of the master REST API can be configured via the environment variables UV_MASTER_API_USER and UV_MASTER_API_PASSWORD. They default to master and commander respectively.

If the SQL database is setup using a Docker container, the container should be linked as mysql to the Unified Views container. The SQL connection details can be configured using the following enviroment variables (default value between brackets): UV_DATABASE_SQL_URL (jdbc:mysql://mysql:3306/unified_views?characterEncoding=utf8), UV_DATABASE_SQL_USER (unified_views), UV_DATABASE_SQL_PASSWORD (unified_views).

Integrating Virtuoso

If the resulting RDF should be written to a Virtuoso running in a Docker container it might be helpful to link the Virtuoso container to the Unified Views container using the option --link my-virtuoso:virtuoso.

If you want to use Virtuoso instead of the local RDF store as RDF platform to run the Unified Views pipelines, you have to configure the following environment variables: UV_DATABASE_RDF_PLATFORM=virtuoso, UV_DATABASE_RDF_URL=jdbc:virtuoso://virtuoso:1111/charset=UTF-8/log_enable=2, UV_DATABASE_RDF_USER=dba, UV_DATABASE_RDF_PASSWORD=dba_pwd.

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tenforce
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