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Requirements

  • Maven 3

  • Java 17

  • Docker and Docker Compose

  • The Code, which can be cloned here

Building

Once the code is cloned and requirements installed you should be able to start building TEIV and its components.

To build TEIV and its components with tests run the following command in the first /teiv directory: 

mvn clean install

Building with tests should create the following docker images:

  • o-ran-sc/smo-teiv-ingestion:latest

  • o-ran-sc/smo-teiv-exposure :latest

To build without tests run the following command in the first /teiv directory (significantly faster). Do this with custom YANG:

mvn clean install -Dmaven.test.skip=true

Building without tests should create the following docker images:

  • o-ran-sc/smo-teiv-ingestion:latest

  • o-ran-sc/smo-teiv-exposure:latest

Running

To run TEIV only TEIV is needed, but pgsql-schema-generator is provided to generate PostgresSQL schemes from the YANG models which can be used in TEIV.

TEIV

In the /teiv/docker-compose directory run the following code to bring TEIV up:

docker-compose up

Running 'docker ps -a’ should show the following docker containers:

  • kafka-producer confluentinc/cp-kafka:7.6.1

  • kafka confluentinc/cp-kafka:7.6.1

  • kafka2 confluentinc/cp-kafka:7.6.1

  • kafka3 confluentinc/cp-kafka:7.6.1

  • topology-ingestion-inventory o-ran-sc/smo-teiv-ingestion:latest

  • topology-exposure-inventory o-ran-sc/smo-teiv-exposure:latest

  • zookeeper confluentinc/cp-zookeeper:6.2.1

  • dbpostgresql postgis/postgis:13-3.4-alpine

Once running there are some sample queries to try at Sample TEIV Queries

The /teiv/docker-compose directory has everything needed to get TEIV up and running consisting of the following files and directories:

image-20240904-134606.png

  • docker-compose.yml - contains all the services needed to run TEIV

  • sql_scripts - contains the sql scripts produced by the pgsql-schema-generator

  • cloudEventProducer - contains a cloudEventProducer script that will produce kafka events to populate TEIV by running locally, cloudEventProducerForDockerCompose used for the kafka-producer service in docker-compomse.yml and the actual events are in the events directory

  • copySqlSchemaFromPgsqlGenerator.sh - copies the sql schema generated from pgsql-schema-generator to the sql_scripts directory, renaming and replacing placeholders.

In docker-compose.yml there is an optional kafka-producer service which will automatically run the cloudEventProducerForDockerCompose script to populate TEIV. Can comment out if this is not desired.

pgsql-schema-generator

The default sql scripts in sql_scripts were built from TEIVs default yang models provided in /teiv/teiv/src/main/resources/models using the pgsql-schema-generator.

To run pgsql-schema-generator yourself, using the default YANG models or your own YANG models, copy YANG models into the /teiv/pgsql-schema-generator/src/main/resources/generate-defaults directory and from /teiv/pgsql-schema-generator/ run:

mvn exec:java -Dexec.mainClass="org.oran.smo.teiv.pgsqlgenerator.DatabaseSchemaGeneratorApplication"

Once run successfully the sql schemas should be present in /teiv/pgsql-schema-generator/target (highlighted in red below) and graphs representing the entities and relationships of the YANG models in /teiv/pgsql-schema-generator/target/graphs (highlighted in blue below):

Screenshot from 2024-09-04 14-53-54123123.png

There is a script in /teiv/docker-compose, copySqlSchemaFromPgsqlGenerator.sh that will copy the generated sql schemes to /teiv/docker-compose/sql_scripts, rename them, and replace the placeholders.

NB: if you are generating your own sql schemes with different YANG models, compared to the default YANG, the example events will not work, therefore kafka-producer must be commented out in the docker-compose.yml

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