import logging
import sys
+import threading
import cwltool.docker
from cwltool.errors import WorkflowException
import arvados.commands.keepdocker
-
logger = logging.getLogger('arvados.cwl-runner')
+cached_lookups = {}
+cached_lookups_lock = threading.Lock()
+
def arv_docker_get_image(api_client, dockerRequirement, pull_image, project_uuid):
"""Check if a Docker image is available in Keep, if not, upload it using arv-keepdocker."""
if "dockerImageId" not in dockerRequirement and "dockerPull" in dockerRequirement:
dockerRequirement["dockerImageId"] = dockerRequirement["dockerPull"]
+ global cached_lookups
+ global cached_lookups_lock
+ with cached_lookups_lock:
+ if dockerRequirement["dockerImageId"] in cached_lookups:
+ return cached_lookups[dockerRequirement["dockerImageId"]]
+
sp = dockerRequirement["dockerImageId"].split(":")
image_name = sp[0]
image_tag = sp[1] if len(sp) > 1 else None
raise WorkflowException("Could not find Docker image %s:%s" % (image_name, image_tag))
pdh = api_client.collections().get(uuid=images[0][0]).execute()["portable_data_hash"]
+
+ with cached_lookups_lock:
+ cached_lookups[dockerRequirement["dockerImageId"]] = pdh
+
return pdh
+
+def arv_docker_clear_cache():
+ global cached_lookups
+ global cached_lookups_lock
+ with cached_lookups_lock:
+ cached_lookups = {}