Configuration Files

OpenDT uses a single YAML configuration file that controls all services.

File Location

Configuration files are stored in the config/ directory:

config/
├── default.yaml           # Default configuration
└── experiments/
    ├── experiment_1.yaml  # Without calibration
    └── experiment_2.yaml  # With calibration

Using a Configuration

Specify a config file when starting OpenDT:

make up config=config/experiments/experiment_1.yaml

If no config is specified, config/default.yaml is used.

File Structure

global:
  speed_factor: 1
  calibration_enabled: false

services:
  dc-mock:
    workload: "SURF"
    heartbeat_frequency_minutes: 1
  simulator:
    simulation_frequency_minutes: 5

kafka:
  topics:
    workload:
      name: "dc.workload"
    power:
      name: "dc.power"
    # ...

Creating Custom Configurations

1. Copy an existing configuration file
2. Modify settings as needed
3. Run with: make up config=path/to/your/config.yaml

Environment Variables

Some settings can be overridden via environment variables:

Variable	Description
CONFIG_FILE	Path to configuration file
RUN_ID	Current run identifier
KAFKA_BOOTSTRAP_SERVERS	Kafka broker address