CONFIGURATION

Environment variables and configuration files for RUNE.

Environment Variables

Core Configuration

Variable	Default	Description
RUNE_BACKEND	local	Backend mode: local or http.
RUNE_API_BASE_URL	—	Base URL for remote API in http mode.
RUNE_API_TOKEN	—	Authentication token for the remote API.
RUNE_API_TENANT	default	Tenant name for the remote API.
RUNE_API_DB_PATH	.rune-api/jobs.db	Path to the SQLite job store database.
RUNE_API_TOKENS	—	Comma-separated map of tenant:token for the server.
RUNE_API_AUTH_DISABLED	0	Disable API authentication (dev-only).

Driver Layer Configuration

Variable	Default	Description
RUNE_HOLMES_DRIVER_MODE	stdio	Transport mode: stdio or http.
RUNE_HOLMES_DRIVER_CMD	python -m rune_bench.drivers.holmes	Stdio command to spawn.
RUNE_HOLMES_DRIVER_URL	—	Base URL for the remote HTTP driver.
RUNE_HOLMES_DRIVER_TOKEN	—	Bearer token for the HTTP driver.

Vast.ai Configuration

Variable	Default	Description
VAST_API_KEY	—	Your Vast.ai API key (usually at ~/.vast_api_key).
RUNE_VASTAI_TEMPLATE	—	Default Vast.ai template hash.

S3 Results Sink

Variable	Default	Description
RUNE_S3_ENABLED	false	Enable the S3 results sink.
RUNE_S3_BUCKET	—	S3 bucket name for job results.
RUNE_S3_PREFIX	results/	S3 key prefix.
RUNE_S3_ENDPOINT	—	S3-compatible endpoint (e.g., MinIO or SeaweedFS).

Configuration Files

• ~/.kube/config: Standard Kubernetes configuration.
• ~/.vast_api_key: Default location for your Vast.ai API key.
• rune.yaml.example: Example configuration file template.