Merge branch 'master' into 11850-singlecontainer-max-requirements
[arvados.git] / sdk / cwl / arvados_cwl / __init__.py
index 7c24310bdb7dcd79369c4a548495b936fe280957..71ddd172214c4dac1b20907c8cf5a18bce6c37b2 100644 (file)
@@ -1,4 +1,7 @@
 #!/usr/bin/env python
+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
 
 # Implement cwl-runner interface for submitting and running work on Arvados, using
 # either the Crunch jobs API or Crunch containers API.
@@ -19,7 +22,6 @@ from cwltool.errors import WorkflowException
 import cwltool.main
 import cwltool.workflow
 import cwltool.process
-import schema_salad
 from schema_salad.sourceline import SourceLine
 
 import arvados
@@ -32,7 +34,7 @@ from .arvjob import ArvadosJob, RunnerJob, RunnerTemplate
 from. runner import Runner, upload_docker, upload_job_order, upload_workflow_deps, upload_dependencies
 from .arvtool import ArvadosCommandTool
 from .arvworkflow import ArvadosWorkflow, upload_workflow
-from .fsaccess import CollectionFsAccess, CollectionFetcher, collectionResolver
+from .fsaccess import CollectionFsAccess, CollectionFetcher, collectionResolver, CollectionCache
 from .perf import Perf
 from .pathmapper import NoFollowPathMapper
 from ._version import __version__
@@ -74,12 +76,17 @@ class ArvCwlRunner(object):
         self.output_name = output_name
         self.output_tags = output_tags
         self.project_uuid = None
+        self.intermediate_output_ttl = 0
+        self.intermediate_output_collections = []
+        self.trash_intermediate = False
 
         if keep_client is not None:
             self.keep_client = keep_client
         else:
             self.keep_client = arvados.keep.KeepClient(api_client=self.api, num_retries=self.num_retries)
 
+        self.collection_cache = CollectionCache(self.api, self.keep_client, self.num_retries)
+
         self.work_api = None
         expected_api = ["jobs", "containers"]
         for api in expected_api:
@@ -102,7 +109,9 @@ class ArvCwlRunner(object):
         kwargs["work_api"] = self.work_api
         kwargs["fetcher_constructor"] = partial(CollectionFetcher,
                                                 api_client=self.api,
-                                                keep_client=self.keep_client)
+                                                fs_access=CollectionFsAccess("", collection_cache=self.collection_cache),
+                                                num_retries=self.num_retries)
+        kwargs["resolver"] = partial(collectionResolver, self.api, num_retries=self.num_retries)
         if "class" in toolpath_object and toolpath_object["class"] == "CommandLineTool":
             return ArvadosCommandTool(self, toolpath_object, **kwargs)
         elif "class" in toolpath_object and toolpath_object["class"] == "Workflow":
@@ -199,20 +208,37 @@ class ArvCwlRunner(object):
     def add_uploaded(self, src, pair):
         self.uploaded[src] = pair
 
+    def add_intermediate_output(self, uuid):
+        if uuid:
+            self.intermediate_output_collections.append(uuid)
+
+    def trash_intermediate_output(self):
+        logger.info("Cleaning up intermediate output collections")
+        for i in self.intermediate_output_collections:
+            try:
+                self.api.collections().delete(uuid=i).execute(num_retries=self.num_retries)
+            except:
+                logger.warn("Failed to delete intermediate output: %s", sys.exc_info()[1], exc_info=(sys.exc_info()[1] if self.debug else False))
+            if sys.exc_info()[0] is KeyboardInterrupt:
+                break
+
     def check_features(self, obj):
         if isinstance(obj, dict):
-            if obj.get("writable"):
-                raise SourceLine(obj, "writable", UnsupportedRequirement).makeError("InitialWorkDir feature 'writable: true' not supported")
+            if obj.get("writable") and self.work_api != "containers":
+                raise SourceLine(obj, "writable", UnsupportedRequirement).makeError("InitialWorkDir feature 'writable: true' not supported with --api=jobs")
             if obj.get("class") == "DockerRequirement":
                 if obj.get("dockerOutputDirectory"):
-                    # TODO: can be supported by containers API, but not jobs API.
-                    raise SourceLine(obj, "dockerOutputDirectory", UnsupportedRequirement).makeError(
-                        "Option 'dockerOutputDirectory' of DockerRequirement not supported.")
+                    if self.work_api != "containers":
+                        raise SourceLine(obj, "dockerOutputDirectory", UnsupportedRequirement).makeError(
+                            "Option 'dockerOutputDirectory' of DockerRequirement not supported with --api=jobs.")
+                    if not obj.get("dockerOutputDirectory").startswith('/'):
+                        raise SourceLine(obj, "dockerOutputDirectory", validate.ValidationException).makeError(
+                            "Option 'dockerOutputDirectory' must be an absolute path.")
             for v in obj.itervalues():
                 self.check_features(v)
         elif isinstance(obj, list):
             for i,v in enumerate(obj):
-                with SourceLine(obj, i, UnsupportedRequirement):
+                with SourceLine(obj, i, UnsupportedRequirement, logger.isEnabledFor(logging.DEBUG)):
                     self.check_features(v)
 
     def make_output_collection(self, name, tagsString, outputObj):
@@ -231,7 +257,6 @@ class ArvCwlRunner(object):
                                               keep_client=self.keep_client,
                                               num_retries=self.num_retries)
 
-        srccollections = {}
         for k,v in generatemapper.items():
             if k.startswith("_:"):
                 if v.type == "Directory":
@@ -245,26 +270,19 @@ class ArvCwlRunner(object):
                 raise Exception("Output source is not in keep or a literal")
             sp = k.split("/")
             srccollection = sp[0][5:]
-            if srccollection not in srccollections:
-                try:
-                    srccollections[srccollection] = arvados.collection.CollectionReader(
-                        srccollection,
-                        api_client=self.api,
-                        keep_client=self.keep_client,
-                        num_retries=self.num_retries)
-                except arvados.errors.ArgumentError as e:
-                    logger.error("Creating CollectionReader for '%s' '%s': %s", k, v, e)
-                    raise
-            reader = srccollections[srccollection]
             try:
+                reader = self.collection_cache.get(srccollection)
                 srcpath = "/".join(sp[1:]) if len(sp) > 1 else "."
                 final.copy(srcpath, v.target, source_collection=reader, overwrite=False)
+            except arvados.errors.ArgumentError as e:
+                logger.error("Creating CollectionReader for '%s' '%s': %s", k, v, e)
+                raise
             except IOError as e:
                 logger.warn("While preparing output collection: %s", e)
 
         def rewrite(fileobj):
             fileobj["location"] = generatemapper.mapper(fileobj["location"]).target
-            for k in ("basename", "listing", "contents"):
+            for k in ("listing", "contents", "nameext", "nameroot", "dirname"):
                 if k in fileobj:
                     del fileobj[k]
 
@@ -331,16 +349,26 @@ class ArvCwlRunner(object):
         self.project_uuid = kwargs.get("project_uuid")
         self.pipeline = None
         make_fs_access = kwargs.get("make_fs_access") or partial(CollectionFsAccess,
-                                                                 api_client=self.api,
-                                                                 keep_client=self.keep_client)
+                                                                 collection_cache=self.collection_cache)
         self.fs_access = make_fs_access(kwargs["basedir"])
 
+
+        self.trash_intermediate = kwargs["trash_intermediate"]
+        if self.trash_intermediate and self.work_api != "containers":
+            raise Exception("--trash-intermediate is only supported with --api=containers.")
+
+        self.intermediate_output_ttl = kwargs["intermediate_output_ttl"]
+        if self.intermediate_output_ttl and self.work_api != "containers":
+            raise Exception("--intermediate-output-ttl is only supported with --api=containers.")
+        if self.intermediate_output_ttl < 0:
+            raise Exception("Invalid value %d for --intermediate-output-ttl, cannot be less than zero" % self.intermediate_output_ttl)
+
         if not kwargs.get("name"):
             kwargs["name"] = self.name = tool.tool.get("label") or tool.metadata.get("label") or os.path.basename(tool.tool["id"])
 
         # Upload direct dependencies of workflow steps, get back mapping of files to keep references.
         # Also uploads docker images.
-        upload_workflow_deps(self, tool)
+        merged_map = upload_workflow_deps(self, tool)
 
         # Reload tool object which may have been updated by
         # upload_workflow_deps
@@ -362,7 +390,8 @@ class ArvCwlRunner(object):
                                       kwargs.get("enable_reuse"),
                                       uuid=existing_uuid,
                                       submit_runner_ram=kwargs.get("submit_runner_ram"),
-                                      name=kwargs["name"])
+                                      name=kwargs["name"],
+                                      merged_map=merged_map)
                 tmpl.save()
                 # cwltool.main will write our return value to stdout.
                 return (tmpl.uuid, "success")
@@ -371,7 +400,8 @@ class ArvCwlRunner(object):
                                         self.project_uuid,
                                         uuid=existing_uuid,
                                         submit_runner_ram=kwargs.get("submit_runner_ram"),
-                                        name=kwargs["name"]),
+                                        name=kwargs["name"],
+                                        merged_map=merged_map),
                         "success")
 
         self.ignore_docker_for_reuse = kwargs.get("ignore_docker_for_reuse")
@@ -396,14 +426,8 @@ class ArvCwlRunner(object):
         if kwargs.get("submit"):
             # Submit a runner job to run the workflow for us.
             if self.work_api == "containers":
-                if tool.tool["class"] == "CommandLineTool":
+                if tool.tool["class"] == "CommandLineTool" and kwargs.get("wait"):
                     kwargs["runnerjob"] = tool.tool["id"]
-                    upload_dependencies(self,
-                                        kwargs["name"],
-                                        tool.doc_loader,
-                                        tool.tool,
-                                        tool.tool["id"],
-                                        False)
                     runnerjob = tool.job(job_order,
                                          self.output_callback,
                                          **kwargs).next()
@@ -414,7 +438,9 @@ class ArvCwlRunner(object):
                                                 submit_runner_ram=kwargs.get("submit_runner_ram"),
                                                 name=kwargs.get("name"),
                                                 on_error=kwargs.get("on_error"),
-                                                submit_runner_image=kwargs.get("submit_runner_image"))
+                                                submit_runner_image=kwargs.get("submit_runner_image"),
+                                                intermediate_output_ttl=kwargs.get("intermediate_output_ttl"),
+                                                merged_map=merged_map)
             elif self.work_api == "jobs":
                 runnerjob = RunnerJob(self, tool, job_order, kwargs.get("enable_reuse"),
                                       self.output_name,
@@ -422,9 +448,9 @@ class ArvCwlRunner(object):
                                       submit_runner_ram=kwargs.get("submit_runner_ram"),
                                       name=kwargs.get("name"),
                                       on_error=kwargs.get("on_error"),
-                                      submit_runner_image=kwargs.get("submit_runner_image"))
-
-        if not kwargs.get("submit") and "cwl_runner_job" not in kwargs and self.work_api == "jobs":
+                                      submit_runner_image=kwargs.get("submit_runner_image"),
+                                      merged_map=merged_map)
+        elif "cwl_runner_job" not in kwargs and self.work_api == "jobs":
             # Create pipeline for local run
             self.pipeline = self.api.pipeline_instances().create(
                 body={
@@ -518,6 +544,9 @@ class ArvCwlRunner(object):
             adjustDirObjs(self.final_output, partial(get_listing, self.fs_access))
             adjustFileObjs(self.final_output, partial(compute_checksums, self.fs_access))
 
+        if self.trash_intermediate and self.final_status == "success":
+            self.trash_intermediate_output()
+
         return (self.final_output, self.final_status)
 
 
@@ -528,7 +557,7 @@ def versionstring():
     arvpkg = pkg_resources.require("arvados-python-client")
     cwlpkg = pkg_resources.require("cwltool")
 
-    return "%s %s %s, %s %s, %s %s" % (sys.argv[0], __version__, arvcwlpkg[0].version,
+    return "%s %s, %s %s, %s %s" % (sys.argv[0], arvcwlpkg[0].version,
                                     "arvados-python-client", arvpkg[0].version,
                                     "cwltool", cwlpkg[0].version)
 
@@ -545,7 +574,12 @@ def arg_parser():  # type: () -> argparse.ArgumentParser
                         help="Time to wait for a Javascript expression to evaluate before giving an error, default 20s.",
                         type=float,
                         default=20)
-    parser.add_argument("--version", action="store_true", help="Print version and exit")
+
+    exgroup = parser.add_mutually_exclusive_group()
+    exgroup.add_argument("--print-dot", action="store_true",
+                         help="Print workflow visualization in graphviz format and exit")
+    exgroup.add_argument("--version", action="store_true", help="Print version and exit")
+    exgroup.add_argument("--validate", action="store_true", help="Validate CWL document only.")
 
     exgroup = parser.add_mutually_exclusive_group()
     exgroup.add_argument("--verbose", action="store_true", help="Default logging")
@@ -559,10 +593,10 @@ def arg_parser():  # type: () -> argparse.ArgumentParser
     exgroup = parser.add_mutually_exclusive_group()
     exgroup.add_argument("--enable-reuse", action="store_true",
                         default=True, dest="enable_reuse",
-                        help="")
+                        help="Enable job or container reuse (default)")
     exgroup.add_argument("--disable-reuse", action="store_false",
                         default=True, dest="enable_reuse",
-                        help="")
+                        help="Disable job or container reuse")
 
     parser.add_argument("--project-uuid", type=str, metavar="UUID", help="Project that will own the workflow jobs, if not provided, will go to home project.")
     parser.add_argument("--output-name", type=str, help="Name to use for collection that stores the final output.", default=None)
@@ -595,7 +629,8 @@ def arg_parser():  # type: () -> argparse.ArgumentParser
 
     parser.add_argument("--api", type=str,
                         default=None, dest="work_api",
-                        help="Select work submission API, one of 'jobs' or 'containers'. Default is 'jobs' if that API is available, otherwise 'containers'.")
+                        choices=("jobs", "containers"),
+                        help="Select work submission API.  Default is 'jobs' if that API is available, otherwise 'containers'.")
 
     parser.add_argument("--compute-checksum", action="store_true", default=False,
                         help="Compute checksum of contents while collecting outputs",
@@ -617,6 +652,22 @@ def arg_parser():  # type: () -> argparse.ArgumentParser
                         help="Desired workflow behavior when a step fails.  One of 'stop' or 'continue'. "
                         "Default is 'continue'.", default="continue", choices=("stop", "continue"))
 
+    parser.add_argument("--enable-dev", action="store_true",
+                        help="Enable loading and running development versions "
+                             "of CWL spec.", default=False)
+
+    parser.add_argument("--intermediate-output-ttl", type=int, metavar="N",
+                        help="If N > 0, intermediate output collections will be trashed N seconds after creation.  Default is 0 (don't trash).",
+                        default=0)
+
+    exgroup = parser.add_mutually_exclusive_group()
+    exgroup.add_argument("--trash-intermediate", action="store_true",
+                        default=False, dest="trash_intermediate",
+                         help="Immediately trash intermediate outputs on workflow success.")
+    exgroup.add_argument("--no-trash-intermediate", action="store_false",
+                        default=False, dest="trash_intermediate",
+                        help="Do not trash intermediate outputs (default).")
+
     parser.add_argument("workflow", type=str, nargs="?", default=None, help="The workflow to execute")
     parser.add_argument("job_order", nargs=argparse.REMAINDER, help="The input object to the workflow.")
 
@@ -624,6 +675,7 @@ def arg_parser():  # type: () -> argparse.ArgumentParser
 
 def add_arv_hints():
     cwltool.draft2tool.ACCEPTLIST_EN_RELAXED_RE = re.compile(r".*")
+    cwltool.draft2tool.ACCEPTLIST_RE = cwltool.draft2tool.ACCEPTLIST_EN_RELAXED_RE
     res = pkg_resources.resource_stream(__name__, 'arv-cwl-schema.yml')
     use_custom_schema("v1.0", "http://arvados.org/cwl", res.read())
     res.close()
@@ -633,10 +685,11 @@ def add_arv_hints():
         "http://arvados.org/cwl#RuntimeConstraints",
         "http://arvados.org/cwl#PartitionRequirement",
         "http://arvados.org/cwl#APIRequirement",
-        "http://commonwl.org/cwltool#LoadListingRequirement"
+        "http://commonwl.org/cwltool#LoadListingRequirement",
+        "http://arvados.org/cwl#IntermediateOutput",
+        "http://arvados.org/cwl#ReuseRequirement"
     ])
 
-
 def main(args, stdout, stderr, api_client=None, keep_client=None):
     parser = arg_parser()
 
@@ -700,7 +753,10 @@ def main(args, stdout, stderr, api_client=None, keep_client=None):
     arvargs.conformance_test = None
     arvargs.use_container = True
     arvargs.relax_path_checks = True
-    arvargs.validate = None
+    arvargs.print_supported_versions = False
+
+    make_fs_access = partial(CollectionFsAccess,
+                           collection_cache=runner.collection_cache)
 
     return cwltool.main.main(args=arvargs,
                              stdout=stdout,
@@ -709,12 +765,10 @@ def main(args, stdout, stderr, api_client=None, keep_client=None):
                              makeTool=runner.arv_make_tool,
                              versionfunc=versionstring,
                              job_order_object=job_order_object,
-                             make_fs_access=partial(CollectionFsAccess,
-                                                    api_client=api_client,
-                                                    keep_client=keep_client),
+                             make_fs_access=make_fs_access,
                              fetcher_constructor=partial(CollectionFetcher,
                                                          api_client=api_client,
-                                                         keep_client=keep_client,
+                                                         fs_access=make_fs_access(""),
                                                          num_retries=runner.num_retries),
                              resolver=partial(collectionResolver, api_client, num_retries=runner.num_retries),
                              logger_handler=arvados.log_handler,