iexec-worker
Overview
The iExec-Worker component is in charge of running computing tasks sent by requesters through the iExec Marketplace.
Run an iexec-worker
With Gradle
Please first update your config located in ./src/main/resources/application.yml
- for dev purposes:
cd iexec-worker
gradle bootRun --refresh-dependencies
- or on a remote instance:
cd iexec-worker
./gradlew bootRun --refresh-dependencies
Configuration
You can configure the worker with the following properties:
| Environment variables | Description | Values | Default value |
|---|---|---|---|
| IEXEC_WORKER_PORT | Server port of the worker . | Positive integer | 13100 |
| IEXEC_CORE_PROTOCOL | Protocol to connect to the Scheduler. | String | http |
| IEXEC_CORE_HOST | Host to connect to the Scheduler. | String | localhost |
| IEXEC_CORE_PORT | Port used by the Scheduler. | Positive integer | 13000 |
| IEXEC_WORKER_NAME | Public name of the worker. | String | worker |
| IEXEC_WORKER_BASE_DIR | Path to the folder within which the worker will read-and-write inputs and outputs of tasks. | String | /tmp/iexec-worker |
| IEXEC_WORKER_OVERRIDE_AVAILABLE_CPU_COUNT | Number of CPUs available for computing distinct tasks. If not set, n-1 CPUs will be used, where n is the number of available processors. | Positive integer | |
| IEXEC_WORKER_GPU_ENABLED | Declares if the worker is able to compute tasks requesting GPU mode. Note that if it is true, IEXEC_WORKER_OVERRIDE_AVAILABLE_CPU_COUNT will be ignored. |
Boolean | false |
| IEXEC_GAS_PRICE_MULTIPLIER | Transactions will be sent with networkGasPrice * IEXEC_GAS_PRICE_MULTIPLIER. |
Float | 1.3 |
| IEXEC_GAS_PRICE_CAP | In Wei, will be used for transactions if networkGasPrice * IEXEC_GAS_PRICE_MULTIPLIER > gasPriceCap. |
Integer | 22000000000 |
| IEXEC_WORKER_OVERRIDE_BLOCKCHAIN_NODE_ADDRESS | If set, will be used instead of the address given by the blockchain adapter. | String | |
| IEXEC_DEVELOPER_LOGGER_ENABLED | Whether to print application logs of tasks. | Boolean | false |
| IEXEC_WORKER_TEE_COMPUTE_MAX_HEAP_SIZE_GB | Max heap size for TEE apps. | Positive integer | 8 |
| IEXEC_WORKER_DOCKER_NETWORK_NAME | Internal Docker network name of the worker. Required for communication between worker and launched-by-worker containers. | String | iexec-worker-net |
| IEXEC_WORKER_DOCKER_REGISTRY_USERNAME_0 | Username to pull apps from docker official registry | String | |
| IEXEC_WORKER_DOCKER_REGISTRY_PASSWORD_0 | Password to pull apps from docker official registry | String | |
| IEXEC_WORKER_DOCKER_REGISTRY_ADDRESS_1 | Secondary registry address. | String | |
| IEXEC_WORKER_DOCKER_REGISTRY_USERNAME_1 | Username to pull apps from secondary registry. | String | |
| IEXEC_WORKER_DOCKER_REGISTRY_PASSWORD_1 | Password to pull apps from secondary registry. | String | |
| IEXEC_WORKER_WALLET_PATH | Path to the wallet that should be used by the worker. | String | ./src/main/resources/wallet/encrypted-wallet_worker1.json |
| IEXEC_WORKER_WALLET_PASSWORD | Password of the wallet that should be used by the worker. | String | whatever |
| IEXEC_SCONE_SHOW_VERSION | Whether to display version of Scone. | Boolean | true |
| IEXEC_SCONE_LOG_LEVEL | Log level Scone should use. | [0,7] or String | debug |
| IEXEC_WORKER_SCONTAIN_REGISTRY_NAME | Name of the Scontain registry. Currently used to pull LAS image. | String | registry.scontain.com:5050 |
| IEXEC_WORKER_SCONTAIN_REGISTRY_USERNAME | Username to connect to the Scontain registry. | String | |
| IEXEC_WORKER_SCONTAIN_REGISTRY_PASSWORD | Password to connect to the Scontain registry. | String | |
| IEXEC_LAS_PORT | Port the LAS should be started on. | Positive integer | 18766 |
| IEXEC_CORE_GRAYLOG_HOST | Graylog host. | String | localhost |
| IEXEC_CORE_GRAYLOG_PORT | Graylog port. | Positive integer | 12201 |
| IEXEC_WORKER_SGX_DRIVER_MODE | Intel® SGX driver that should be used. | { NONE, LEGACY, NATIVE } | NONE |