3 # arv-copy [--recursive] [--no-recursive] object-uuid src dst
5 # Copies an object from Arvados instance src to instance dst.
7 # By default, arv-copy recursively copies any dependent objects
8 # necessary to make the object functional in the new instance
9 # (e.g. for a pipeline instance, arv-copy copies the pipeline
10 # template, input collection, docker images, git repositories). If
11 # --no-recursive is given, arv-copy copies only the single record
12 # identified by object-uuid.
14 # The user must have files $HOME/.config/arvados/{src}.conf and
15 # $HOME/.config/arvados/{dst}.conf with valid login credentials for
16 # instances src and dst. If either of these files is not found,
17 # arv-copy will issue an error.
32 import arvados.commands._util as arv_cmd
33 import arvados.commands.keepdocker
35 from arvados.api import OrderedJsonModel
37 logger = logging.getLogger('arvados.arv-copy')
39 # local_repo_dir records which git repositories from the Arvados source
40 # instance have been checked out locally during this run, and to which
42 # e.g. if repository 'twp' from src_arv has been cloned into
43 # /tmp/gitfHkV9lu44A then local_repo_dir['twp'] = '/tmp/gitfHkV9lu44A'
47 # List of collections that have been copied in this session, and their
48 # destination collection UUIDs.
49 collections_copied = {}
51 # Set of (repository, script_version) two-tuples of commits copied in git.
52 scripts_copied = set()
54 # The owner_uuid of the object being copied
58 copy_opts = argparse.ArgumentParser(add_help=False)
60 copy_opts.add_argument(
61 '-v', '--verbose', dest='verbose', action='store_true',
62 help='Verbose output.')
63 copy_opts.add_argument(
64 '--progress', dest='progress', action='store_true',
65 help='Report progress on copying collections. (default)')
66 copy_opts.add_argument(
67 '--no-progress', dest='progress', action='store_false',
68 help='Do not report progress on copying collections.')
69 copy_opts.add_argument(
70 '-f', '--force', dest='force', action='store_true',
71 help='Perform copy even if the object appears to exist at the remote destination.')
72 copy_opts.add_argument(
73 '--src', dest='source_arvados', required=True,
74 help='The name of the source Arvados instance (required) - points at an Arvados config file. May be either a pathname to a config file, or (for example) "foo" as shorthand for $HOME/.config/arvados/foo.conf.')
75 copy_opts.add_argument(
76 '--dst', dest='destination_arvados', required=True,
77 help='The name of the destination Arvados instance (required) - points at an Arvados config file. May be either a pathname to a config file, or (for example) "foo" as shorthand for $HOME/.config/arvados/foo.conf.')
78 copy_opts.add_argument(
79 '--recursive', dest='recursive', action='store_true',
80 help='Recursively copy any dependencies for this object. (default)')
81 copy_opts.add_argument(
82 '--no-recursive', dest='recursive', action='store_false',
83 help='Do not copy any dependencies. NOTE: if this option is given, the copied object will need to be updated manually in order to be functional.')
84 copy_opts.add_argument(
85 '--dst-git-repo', dest='dst_git_repo',
86 help='The name of the destination git repository. Required when copying a pipeline recursively.')
87 copy_opts.add_argument(
88 '--project-uuid', dest='project_uuid',
89 help='The UUID of the project at the destination to which the pipeline should be copied.')
90 copy_opts.add_argument(
92 help='The UUID of the object to be copied.')
93 copy_opts.set_defaults(progress=True)
94 copy_opts.set_defaults(recursive=True)
96 parser = argparse.ArgumentParser(
97 description='Copy a pipeline instance, template or collection from one Arvados instance to another.',
98 parents=[copy_opts, arv_cmd.retry_opt])
99 args = parser.parse_args()
102 logger.setLevel(logging.DEBUG)
104 logger.setLevel(logging.INFO)
106 # Create API clients for the source and destination instances
107 src_arv = api_for_instance(args.source_arvados)
108 dst_arv = api_for_instance(args.destination_arvados)
110 if not args.project_uuid:
111 args.project_uuid = dst_arv.users().current().execute(num_retries=args.retries)["uuid"]
113 # Identify the kind of object we have been given, and begin copying.
114 t = uuid_type(src_arv, args.object_uuid)
115 if t == 'Collection':
116 set_src_owner_uuid(src_arv.collections(), args.object_uuid, args)
117 result = copy_collection(args.object_uuid,
120 elif t == 'PipelineInstance':
121 set_src_owner_uuid(src_arv.pipeline_instances(), args.object_uuid, args)
122 result = copy_pipeline_instance(args.object_uuid,
125 elif t == 'PipelineTemplate':
126 set_src_owner_uuid(src_arv.pipeline_templates(), args.object_uuid, args)
127 result = copy_pipeline_template(args.object_uuid,
128 src_arv, dst_arv, args)
130 abort("cannot copy object {} of type {}".format(args.object_uuid, t))
132 # Clean up any outstanding temp git repositories.
133 for d in local_repo_dir.values():
134 shutil.rmtree(d, ignore_errors=True)
136 # If no exception was thrown and the response does not have an
137 # error_token field, presume success
138 if 'error_token' in result or 'uuid' not in result:
139 logger.error("API server returned an error result: {}".format(result))
143 logger.info("Success: created copy with uuid {}".format(result['uuid']))
146 def set_src_owner_uuid(resource, uuid, args):
147 global src_owner_uuid
148 c = resource.get(uuid=uuid).execute(num_retries=args.retries)
149 src_owner_uuid = c.get("owner_uuid")
151 # api_for_instance(instance_name)
153 # Creates an API client for the Arvados instance identified by
156 # If instance_name contains a slash, it is presumed to be a path
157 # (either local or absolute) to a file with Arvados configuration
160 # Otherwise, it is presumed to be the name of a file in
161 # $HOME/.config/arvados/instance_name.conf
163 def api_for_instance(instance_name):
164 if '/' in instance_name:
165 config_file = instance_name
167 config_file = os.path.join(os.environ['HOME'], '.config', 'arvados', "{}.conf".format(instance_name))
170 cfg = arvados.config.load(config_file)
171 except (IOError, OSError) as e:
172 abort(("Could not open config file {}: {}\n" +
173 "You must make sure that your configuration tokens\n" +
174 "for Arvados instance {} are in {} and that this\n" +
175 "file is readable.").format(
176 config_file, e, instance_name, config_file))
178 if 'ARVADOS_API_HOST' in cfg and 'ARVADOS_API_TOKEN' in cfg:
180 cfg.get('ARVADOS_API_HOST_INSECURE', '').lower() in set(
181 ['1', 't', 'true', 'y', 'yes']))
182 client = arvados.api('v1',
183 host=cfg['ARVADOS_API_HOST'],
184 token=cfg['ARVADOS_API_TOKEN'],
185 insecure=api_is_insecure,
186 model=OrderedJsonModel())
188 abort('need ARVADOS_API_HOST and ARVADOS_API_TOKEN for {}'.format(instance_name))
191 # Check if git is available
192 def check_git_availability():
194 arvados.util.run_command(['git', '--help'])
196 abort('git command is not available. Please ensure git is installed.')
198 # copy_pipeline_instance(pi_uuid, src, dst, args)
200 # Copies a pipeline instance identified by pi_uuid from src to dst.
202 # If the args.recursive option is set:
203 # 1. Copies all input collections
204 # * For each component in the pipeline, include all collections
205 # listed as job dependencies for that component)
206 # 2. Copy docker images
207 # 3. Copy git repositories
208 # 4. Copy the pipeline template
210 # The only changes made to the copied pipeline instance are:
211 # 1. The original pipeline instance UUID is preserved in
212 # the 'properties' hash as 'copied_from_pipeline_instance_uuid'.
213 # 2. The pipeline_template_uuid is changed to the new template uuid.
214 # 3. The owner_uuid of the instance is changed to the user who
217 def copy_pipeline_instance(pi_uuid, src, dst, args):
218 # Fetch the pipeline instance record.
219 pi = src.pipeline_instances().get(uuid=pi_uuid).execute(num_retries=args.retries)
222 check_git_availability()
224 if not args.dst_git_repo:
225 abort('--dst-git-repo is required when copying a pipeline recursively.')
226 # Copy the pipeline template and save the copied template.
227 if pi.get('pipeline_template_uuid', None):
228 pt = copy_pipeline_template(pi['pipeline_template_uuid'],
231 # Copy input collections, docker images and git repos.
232 pi = copy_collections(pi, src, dst, args)
233 copy_git_repos(pi, src, dst, args.dst_git_repo, args)
234 copy_docker_images(pi, src, dst, args)
236 # Update the fields of the pipeline instance with the copied
238 if pi.get('pipeline_template_uuid', None):
239 pi['pipeline_template_uuid'] = pt['uuid']
243 logger.info("Copying only pipeline instance %s.", pi_uuid)
244 logger.info("You are responsible for making sure all pipeline dependencies have been updated.")
246 # Update the pipeline instance properties, and create the new
248 pi['properties']['copied_from_pipeline_instance_uuid'] = pi_uuid
249 pi['description'] = "Pipeline copied from {}\n\n{}".format(
251 pi['description'] if pi.get('description', None) else '')
253 pi['owner_uuid'] = args.project_uuid
257 new_pi = dst.pipeline_instances().create(body=pi, ensure_unique_name=True).execute(num_retries=args.retries)
260 # copy_pipeline_template(pt_uuid, src, dst, args)
262 # Copies a pipeline template identified by pt_uuid from src to dst.
264 # If args.recursive is True, also copy any collections, docker
265 # images and git repositories that this template references.
267 # The owner_uuid of the new template is changed to that of the user
268 # who copied the template.
270 # Returns the copied pipeline template object.
272 def copy_pipeline_template(pt_uuid, src, dst, args):
273 # fetch the pipeline template from the source instance
274 pt = src.pipeline_templates().get(uuid=pt_uuid).execute(num_retries=args.retries)
277 check_git_availability()
279 if not args.dst_git_repo:
280 abort('--dst-git-repo is required when copying a pipeline recursively.')
281 # Copy input collections, docker images and git repos.
282 pt = copy_collections(pt, src, dst, args)
283 copy_git_repos(pt, src, dst, args.dst_git_repo, args)
284 copy_docker_images(pt, src, dst, args)
286 pt['description'] = "Pipeline template copied from {}\n\n{}".format(
288 pt['description'] if pt.get('description', None) else '')
289 pt['name'] = "{} copied from {}".format(pt.get('name', ''), pt_uuid)
292 pt['owner_uuid'] = args.project_uuid
294 return dst.pipeline_templates().create(body=pt, ensure_unique_name=True).execute(num_retries=args.retries)
296 # copy_collections(obj, src, dst, args)
298 # Recursively copies all collections referenced by 'obj' from src
299 # to dst. obj may be a dict or a list, in which case we run
300 # copy_collections on every value it contains. If it is a string,
301 # search it for any substring that matches a collection hash or uuid
302 # (this will find hidden references to collections like
303 # "input0": "$(file 3229739b505d2b878b62aed09895a55a+142/HWI-ST1027_129_D0THKACXX.1_1.fastq)")
305 # Returns a copy of obj with any old collection uuids replaced by
308 def copy_collections(obj, src, dst, args):
310 def copy_collection_fn(collection_match):
311 """Helper function for regex substitution: copies a single collection,
312 identified by the collection_match MatchObject, to the
313 destination. Returns the destination collection uuid (or the
314 portable data hash if that's what src_id is).
317 src_id = collection_match.group(0)
318 if src_id not in collections_copied:
319 dst_col = copy_collection(src_id, src, dst, args)
320 if src_id in [dst_col['uuid'], dst_col['portable_data_hash']]:
321 collections_copied[src_id] = src_id
323 collections_copied[src_id] = dst_col['uuid']
324 return collections_copied[src_id]
326 if isinstance(obj, basestring):
327 # Copy any collections identified in this string to dst, replacing
328 # them with the dst uuids as necessary.
329 obj = arvados.util.portable_data_hash_pattern.sub(copy_collection_fn, obj)
330 obj = arvados.util.collection_uuid_pattern.sub(copy_collection_fn, obj)
332 elif isinstance(obj, dict):
333 return type(obj)((v, copy_collections(obj[v], src, dst, args))
335 elif isinstance(obj, list):
336 return type(obj)(copy_collections(v, src, dst, args) for v in obj)
339 def migrate_jobspec(jobspec, src, dst, dst_repo, args):
340 """Copy a job's script to the destination repository, and update its record.
342 Given a jobspec dictionary, this function finds the referenced script from
343 src and copies it to dst and dst_repo. It also updates jobspec in place to
344 refer to names on the destination.
346 repo = jobspec.get('repository')
349 # script_version is the "script_version" parameter from the source
350 # component or job. If no script_version was supplied in the
351 # component or job, it is a mistake in the pipeline, but for the
352 # purposes of copying the repository, default to "master".
353 script_version = jobspec.get('script_version') or 'master'
354 script_key = (repo, script_version)
355 if script_key not in scripts_copied:
356 copy_git_repo(repo, src, dst, dst_repo, script_version, args)
357 scripts_copied.add(script_key)
358 jobspec['repository'] = dst_repo
359 repo_dir = local_repo_dir[repo]
360 for version_key in ['script_version', 'supplied_script_version']:
361 if version_key in jobspec:
362 jobspec[version_key] = git_rev_parse(jobspec[version_key], repo_dir)
364 # copy_git_repos(p, src, dst, dst_repo, args)
366 # Copies all git repositories referenced by pipeline instance or
367 # template 'p' from src to dst.
369 # For each component c in the pipeline:
370 # * Copy git repositories named in c['repository'] and c['job']['repository'] if present
371 # * Rename script versions:
372 # * c['script_version']
373 # * c['job']['script_version']
374 # * c['job']['supplied_script_version']
375 # to the commit hashes they resolve to, since any symbolic
376 # names (tags, branches) are not preserved in the destination repo.
378 # The pipeline object is updated in place with the new repository
379 # names. The return value is undefined.
381 def copy_git_repos(p, src, dst, dst_repo, args):
382 for component in p['components'].itervalues():
383 migrate_jobspec(component, src, dst, dst_repo, args)
384 if 'job' in component:
385 migrate_jobspec(component['job'], src, dst, dst_repo, args)
387 def total_collection_size(manifest_text):
388 """Return the total number of bytes in this collection (excluding
389 duplicate blocks)."""
393 for line in manifest_text.splitlines():
395 for word in words[1:]:
397 loc = arvados.KeepLocator(word)
399 continue # this word isn't a locator, skip it
400 if loc.md5sum not in locators_seen:
401 locators_seen[loc.md5sum] = True
402 total_bytes += loc.size
406 def create_collection_from(c, src, dst, args):
407 """Create a new collection record on dst, and copy Docker metadata if
410 collection_uuid = c['uuid']
414 c['name'] = "copied from " + collection_uuid
416 if 'properties' in c:
419 c['owner_uuid'] = args.project_uuid
421 dst_collection = dst.collections().create(body=c, ensure_unique_name=True).execute(num_retries=args.retries)
423 # Create docker_image_repo+tag and docker_image_hash links
424 # at the destination.
425 for link_class in ("docker_image_repo+tag", "docker_image_hash"):
426 docker_links = src.links().list(filters=[["head_uuid", "=", collection_uuid], ["link_class", "=", link_class]]).execute(num_retries=args.retries)['items']
428 for src_link in docker_links:
429 body = {key: src_link[key]
430 for key in ['link_class', 'name', 'properties']}
431 body['head_uuid'] = dst_collection['uuid']
432 body['owner_uuid'] = args.project_uuid
434 lk = dst.links().create(body=body).execute(num_retries=args.retries)
435 logger.debug('created dst link {}'.format(lk))
437 return dst_collection
439 # copy_collection(obj_uuid, src, dst, args)
441 # Copies the collection identified by obj_uuid from src to dst.
442 # Returns the collection object created at dst.
444 # If args.progress is True, produce a human-friendly progress
447 # If a collection with the desired portable_data_hash already
448 # exists at dst, and args.force is False, copy_collection returns
449 # the existing collection without copying any blocks. Otherwise
450 # (if no collection exists or if args.force is True)
451 # copy_collection copies all of the collection data blocks from src
454 # For this application, it is critical to preserve the
455 # collection's manifest hash, which is not guaranteed with the
456 # arvados.CollectionReader and arvados.CollectionWriter classes.
457 # Copying each block in the collection manually, followed by
458 # the manifest block, ensures that the collection's manifest
459 # hash will not change.
461 def copy_collection(obj_uuid, src, dst, args):
462 if arvados.util.keep_locator_pattern.match(obj_uuid):
463 # If the obj_uuid is a portable data hash, it might not be uniquely
464 # identified with a particular collection. As a result, it is
465 # ambigious as to what name to use for the copy. Apply some heuristics
466 # to pick which collection to get the name from.
467 srccol = src.collections().list(
468 filters=[['portable_data_hash', '=', obj_uuid]],
469 order="created_at asc"
470 ).execute(num_retries=args.retries)
472 items = srccol.get("items")
475 logger.warning("Could not find collection with portable data hash %s", obj_uuid)
481 # There's only one collection with the PDH, so use that.
484 # See if there is a collection that's in the same project
485 # as the root item (usually a pipeline) being copied.
487 if i.get("owner_uuid") == src_owner_uuid and i.get("name"):
491 # Didn't find any collections located in the same project, so
492 # pick the oldest collection that has a name assigned to it.
498 # None of the collections have names (?!), so just pick the
502 # list() doesn't return manifest text (and we don't want it to,
503 # because we don't need the same maninfest text sent to us 50
504 # times) so go and retrieve the collection object directly
505 # which will include the manifest text.
506 c = src.collections().get(uuid=c["uuid"]).execute(num_retries=args.retries)
508 # Assume this is an actual collection uuid, so fetch it directly.
509 c = src.collections().get(uuid=obj_uuid).execute(num_retries=args.retries)
511 # If a collection with this hash already exists at the
512 # destination, and 'force' is not true, just return that
515 if 'portable_data_hash' in c:
516 colhash = c['portable_data_hash']
519 dstcol = dst.collections().list(
520 filters=[['portable_data_hash', '=', colhash]]
521 ).execute(num_retries=args.retries)
522 if dstcol['items_available'] > 0:
523 for d in dstcol['items']:
524 if ((args.project_uuid == d['owner_uuid']) and
525 (c.get('name') == d['name']) and
526 (c['portable_data_hash'] == d['portable_data_hash'])):
528 c['manifest_text'] = dst.collections().get(
529 uuid=dstcol['items'][0]['uuid']
530 ).execute(num_retries=args.retries)['manifest_text']
531 return create_collection_from(c, src, dst, args)
533 # Fetch the collection's manifest.
534 manifest = c['manifest_text']
535 logger.debug("Copying collection %s with manifest: <%s>", obj_uuid, manifest)
537 # Copy each block from src_keep to dst_keep.
538 # Use the newly signed locators returned from dst_keep to build
539 # a new manifest as we go.
540 src_keep = arvados.keep.KeepClient(api_client=src, num_retries=args.retries)
541 dst_keep = arvados.keep.KeepClient(api_client=dst, num_retries=args.retries)
545 bytes_expected = total_collection_size(manifest)
547 progress_writer = ProgressWriter(human_progress)
549 progress_writer = None
551 for line in manifest.splitlines():
553 dst_manifest += words[0]
554 for word in words[1:]:
556 loc = arvados.KeepLocator(word)
558 # If 'word' can't be parsed as a locator,
559 # presume it's a filename.
560 dst_manifest += ' ' + word
562 blockhash = loc.md5sum
563 # copy this block if we haven't seen it before
564 # (otherwise, just reuse the existing dst_locator)
565 if blockhash not in dst_locators:
566 logger.debug("Copying block %s (%s bytes)", blockhash, loc.size)
568 progress_writer.report(obj_uuid, bytes_written, bytes_expected)
569 data = src_keep.get(word)
570 dst_locator = dst_keep.put(data)
571 dst_locators[blockhash] = dst_locator
572 bytes_written += loc.size
573 dst_manifest += ' ' + dst_locators[blockhash]
577 progress_writer.report(obj_uuid, bytes_written, bytes_expected)
578 progress_writer.finish()
580 # Copy the manifest and save the collection.
581 logger.debug('saving %s with manifest: <%s>', obj_uuid, dst_manifest)
583 c['manifest_text'] = dst_manifest
584 return create_collection_from(c, src, dst, args)
586 # copy_git_repo(src_git_repo, src, dst, dst_git_repo, script_version, args)
588 # Copies commits from git repository 'src_git_repo' on Arvados
589 # instance 'src' to 'dst_git_repo' on 'dst'. Both src_git_repo
590 # and dst_git_repo are repository names, not UUIDs (i.e. "arvados"
593 # All commits will be copied to a destination branch named for the
594 # source repository URL.
596 # The destination repository must already exist.
598 # The user running this command must be authenticated
599 # to both repositories.
601 def copy_git_repo(src_git_repo, src, dst, dst_git_repo, script_version, args):
602 # Identify the fetch and push URLs for the git repositories.
603 r = src.repositories().list(
604 filters=[['name', '=', src_git_repo]]).execute(num_retries=args.retries)
605 if r['items_available'] != 1:
606 raise Exception('cannot identify source repo {}; {} repos found'
607 .format(src_git_repo, r['items_available']))
608 src_git_url = r['items'][0]['fetch_url']
609 logger.debug('src_git_url: {}'.format(src_git_url))
611 r = dst.repositories().list(
612 filters=[['name', '=', dst_git_repo]]).execute(num_retries=args.retries)
613 if r['items_available'] != 1:
614 raise Exception('cannot identify destination repo {}; {} repos found'
615 .format(dst_git_repo, r['items_available']))
616 dst_git_push_url = r['items'][0]['push_url']
617 logger.debug('dst_git_push_url: {}'.format(dst_git_push_url))
619 dst_branch = re.sub(r'\W+', '_', "{}_{}".format(src_git_url, script_version))
621 # Copy git commits from src repo to dst repo.
622 if src_git_repo not in local_repo_dir:
623 local_repo_dir[src_git_repo] = tempfile.mkdtemp()
624 arvados.util.run_command(
625 ["git", "clone", "--bare", src_git_url,
626 local_repo_dir[src_git_repo]],
627 cwd=os.path.dirname(local_repo_dir[src_git_repo]))
628 arvados.util.run_command(
629 ["git", "remote", "add", "dst", dst_git_push_url],
630 cwd=local_repo_dir[src_git_repo])
631 arvados.util.run_command(
632 ["git", "branch", dst_branch, script_version],
633 cwd=local_repo_dir[src_git_repo])
634 arvados.util.run_command(["git", "push", "dst", dst_branch],
635 cwd=local_repo_dir[src_git_repo])
637 def copy_docker_images(pipeline, src, dst, args):
638 """Copy any docker images named in the pipeline components'
639 runtime_constraints field from src to dst."""
641 logger.debug('copy_docker_images: {}'.format(pipeline['uuid']))
642 for c_name, c_info in pipeline['components'].iteritems():
643 if ('runtime_constraints' in c_info and
644 'docker_image' in c_info['runtime_constraints']):
646 c_info['runtime_constraints']['docker_image'],
647 c_info['runtime_constraints'].get('docker_image_tag', 'latest'),
651 def copy_docker_image(docker_image, docker_image_tag, src, dst, args):
652 """Copy the docker image identified by docker_image and
653 docker_image_tag from src to dst. Create appropriate
654 docker_image_repo+tag and docker_image_hash links at dst.
658 logger.debug('copying docker image {}:{}'.format(docker_image, docker_image_tag))
660 # Find the link identifying this docker image.
661 docker_image_list = arvados.commands.keepdocker.list_images_in_arv(
662 src, args.retries, docker_image, docker_image_tag)
663 if docker_image_list:
664 image_uuid, image_info = docker_image_list[0]
665 logger.debug('copying collection {} {}'.format(image_uuid, image_info))
667 # Copy the collection it refers to.
668 dst_image_col = copy_collection(image_uuid, src, dst, args)
669 elif arvados.util.keep_locator_pattern.match(docker_image):
670 dst_image_col = copy_collection(docker_image, src, dst, args)
672 logger.warning('Could not find docker image {}:{}'.format(docker_image, docker_image_tag))
674 # git_rev_parse(rev, repo)
676 # Returns the 40-character commit hash corresponding to 'rev' in
677 # git repository 'repo' (which must be the path of a local git
680 def git_rev_parse(rev, repo):
681 gitout, giterr = arvados.util.run_command(
682 ['git', 'rev-parse', rev], cwd=repo)
683 return gitout.strip()
685 # uuid_type(api, object_uuid)
687 # Returns the name of the class that object_uuid belongs to, based on
688 # the second field of the uuid. This function consults the api's
689 # schema to identify the object class.
691 # It returns a string such as 'Collection', 'PipelineInstance', etc.
693 # Special case: if handed a Keep locator hash, return 'Collection'.
695 def uuid_type(api, object_uuid):
696 if re.match(r'^[a-f0-9]{32}\+[0-9]+(\+[A-Za-z0-9+-]+)?$', object_uuid):
698 p = object_uuid.split('-')
701 for k in api._schema.schemas:
702 obj_class = api._schema.schemas[k].get('uuidPrefix', None)
703 if type_prefix == obj_class:
707 def abort(msg, code=1):
708 logger.info("arv-copy: %s", msg)
712 # Code for reporting on the progress of a collection upload.
713 # Stolen from arvados.commands.put.ArvPutCollectionWriter
714 # TODO(twp): figure out how to refactor into a shared library
715 # (may involve refactoring some arvados.commands.arv_copy.copy_collection
718 def machine_progress(obj_uuid, bytes_written, bytes_expected):
719 return "{} {}: {} {} written {} total\n".format(
724 -1 if (bytes_expected is None) else bytes_expected)
726 def human_progress(obj_uuid, bytes_written, bytes_expected):
728 return "\r{}: {}M / {}M {:.1%} ".format(
730 bytes_written >> 20, bytes_expected >> 20,
731 float(bytes_written) / bytes_expected)
733 return "\r{}: {} ".format(obj_uuid, bytes_written)
735 class ProgressWriter(object):
736 _progress_func = None
739 def __init__(self, progress_func):
740 self._progress_func = progress_func
742 def report(self, obj_uuid, bytes_written, bytes_expected):
743 if self._progress_func is not None:
745 self._progress_func(obj_uuid, bytes_written, bytes_expected))
748 self.outfile.write("\n")
750 if __name__ == '__main__':