Feature #7816
Updated by Peter Amstutz over 8 years ago
This program runs on a worker host. It will be is invoked by the future Crunch2 dispatcher. dispatcher (possibly via slurm or ssh). Its responsibilities include: # Retrieve the Container record with the given UUID # Load the specified docker image from Keep # Translate the Container specification to a "docker run" command line or invoke the container via Docker SDK # Forward the executor's logging and container's stdout, stderr to the Arvados API as Log entries and to a collection # Update the Container record to reflect the actual state of the container (progress/completion), exit code, logs # Testing for all above features Not included in this story: * Start arv-mount on the host (if required by the container) and shutting it down when the container exits (#8015) * Impose runtime constraints, using "docker run" arguments and other facilities (#8017) * Report resources used by the container while it runs (presumably using crunchstat) (#8016) * Save the container's output in the Container record (except logs) (#8020) * log throttling (#8019) * retry failure (#8018) See [[Containers API]]