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). May be either a pathname to a config file, or the basename of a file in $HOME/.config/arvados/instance_name.conf.')
75 copy_opts.add_argument(
76 '--dst', dest='destination_arvados', required=True,
77 help='The name of the destination Arvados instance (required). May be either a pathname to a config file, or the basename of a file in $HOME/.config/arvados/instance_name.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 {v: copy_collections(obj[v], src, dst, args) for v in obj}
334 elif isinstance(obj, list):
335 return [copy_collections(v, src, dst, args) for v in obj]
338 def migrate_jobspec(jobspec, src, dst, dst_repo, args):
339 """Copy a job's script to the destination repository, and update its record.
341 Given a jobspec dictionary, this function finds the referenced script from
342 src and copies it to dst and dst_repo. It also updates jobspec in place to
343 refer to names on the destination.
345 repo = jobspec.get('repository')
348 # script_version is the "script_version" parameter from the source
349 # component or job. If no script_version was supplied in the
350 # component or job, it is a mistake in the pipeline, but for the
351 # purposes of copying the repository, default to "master".
352 script_version = jobspec.get('script_version') or 'master'
353 script_key = (repo, script_version)
354 if script_key not in scripts_copied:
355 copy_git_repo(repo, src, dst, dst_repo, script_version, args)
356 scripts_copied.add(script_key)
357 jobspec['repository'] = dst_repo
358 repo_dir = local_repo_dir[repo]
359 for version_key in ['script_version', 'supplied_script_version']:
360 if version_key in jobspec:
361 jobspec[version_key] = git_rev_parse(jobspec[version_key], repo_dir)
363 # copy_git_repos(p, src, dst, dst_repo, args)
365 # Copies all git repositories referenced by pipeline instance or
366 # template 'p' from src to dst.
368 # For each component c in the pipeline:
369 # * Copy git repositories named in c['repository'] and c['job']['repository'] if present
370 # * Rename script versions:
371 # * c['script_version']
372 # * c['job']['script_version']
373 # * c['job']['supplied_script_version']
374 # to the commit hashes they resolve to, since any symbolic
375 # names (tags, branches) are not preserved in the destination repo.
377 # The pipeline object is updated in place with the new repository
378 # names. The return value is undefined.
380 def copy_git_repos(p, src, dst, dst_repo, args):
381 for component in p['components'].itervalues():
382 migrate_jobspec(component, src, dst, dst_repo, args)
383 if 'job' in component:
384 migrate_jobspec(component['job'], src, dst, dst_repo, args)
386 def total_collection_size(manifest_text):
387 """Return the total number of bytes in this collection (excluding
388 duplicate blocks)."""
392 for line in manifest_text.splitlines():
394 for word in words[1:]:
396 loc = arvados.KeepLocator(word)
398 continue # this word isn't a locator, skip it
399 if loc.md5sum not in locators_seen:
400 locators_seen[loc.md5sum] = True
401 total_bytes += loc.size
405 def create_collection_from(c, src, dst, args):
406 """Create a new collection record on dst, and copy Docker metadata if
409 collection_uuid = c['uuid']
413 c['name'] = "copied from " + collection_uuid
415 if 'properties' in c:
418 c['owner_uuid'] = args.project_uuid
420 dst_collection = dst.collections().create(body=c, ensure_unique_name=True).execute(num_retries=args.retries)
422 # Create docker_image_repo+tag and docker_image_hash links
423 # at the destination.
424 for link_class in ("docker_image_repo+tag", "docker_image_hash"):
425 docker_links = src.links().list(filters=[["head_uuid", "=", collection_uuid], ["link_class", "=", link_class]]).execute(num_retries=args.retries)['items']
427 for src_link in docker_links:
428 body = {key: src_link[key]
429 for key in ['link_class', 'name', 'properties']}
430 body['head_uuid'] = dst_collection['uuid']
431 body['owner_uuid'] = args.project_uuid
433 lk = dst.links().create(body=body).execute(num_retries=args.retries)
434 logger.debug('created dst link {}'.format(lk))
436 return dst_collection
438 # copy_collection(obj_uuid, src, dst, args)
440 # Copies the collection identified by obj_uuid from src to dst.
441 # Returns the collection object created at dst.
443 # If args.progress is True, produce a human-friendly progress
446 # If a collection with the desired portable_data_hash already
447 # exists at dst, and args.force is False, copy_collection returns
448 # the existing collection without copying any blocks. Otherwise
449 # (if no collection exists or if args.force is True)
450 # copy_collection copies all of the collection data blocks from src
453 # For this application, it is critical to preserve the
454 # collection's manifest hash, which is not guaranteed with the
455 # arvados.CollectionReader and arvados.CollectionWriter classes.
456 # Copying each block in the collection manually, followed by
457 # the manifest block, ensures that the collection's manifest
458 # hash will not change.
460 def copy_collection(obj_uuid, src, dst, args):
461 if arvados.util.keep_locator_pattern.match(obj_uuid):
462 # If the obj_uuid is a portable data hash, it might not be uniquely
463 # identified with a particular collection. As a result, it is
464 # ambigious as to what name to use for the copy. Apply some heuristics
465 # to pick which collection to get the name from.
466 srccol = src.collections().list(
467 filters=[['portable_data_hash', '=', obj_uuid]],
468 order="created_at asc"
469 ).execute(num_retries=args.retries)
471 items = srccol.get("items")
474 logger.warning("Could not find collection with portable data hash %s", obj_uuid)
480 # There's only one collection with the PDH, so use that.
483 # See if there is a collection that's in the same project
484 # as the root item (usually a pipeline) being copied.
486 if i.get("owner_uuid") == src_owner_uuid and i.get("name"):
490 # Didn't find any collections located in the same project, so
491 # pick the oldest collection that has a name assigned to it.
497 # None of the collections have names (?!), so just pick the
501 # list() doesn't return manifest text (and we don't want it to,
502 # because we don't need the same maninfest text sent to us 50
503 # times) so go and retrieve the collection object directly
504 # which will include the manifest text.
505 c = src.collections().get(uuid=c["uuid"]).execute(num_retries=args.retries)
507 # Assume this is an actual collection uuid, so fetch it directly.
508 c = src.collections().get(uuid=obj_uuid).execute(num_retries=args.retries)
510 # If a collection with this hash already exists at the
511 # destination, and 'force' is not true, just return that
514 if 'portable_data_hash' in c:
515 colhash = c['portable_data_hash']
518 dstcol = dst.collections().list(
519 filters=[['portable_data_hash', '=', colhash]]
520 ).execute(num_retries=args.retries)
521 if dstcol['items_available'] > 0:
522 for d in dstcol['items']:
523 if ((args.project_uuid == d['owner_uuid']) and
524 (c.get('name') == d['name']) and
525 (c['portable_data_hash'] == d['portable_data_hash'])):
527 c['manifest_text'] = dst.collections().get(
528 uuid=dstcol['items'][0]['uuid']
529 ).execute(num_retries=args.retries)['manifest_text']
530 return create_collection_from(c, src, dst, args)
532 # Fetch the collection's manifest.
533 manifest = c['manifest_text']
534 logger.debug("Copying collection %s with manifest: <%s>", obj_uuid, manifest)
536 # Copy each block from src_keep to dst_keep.
537 # Use the newly signed locators returned from dst_keep to build
538 # a new manifest as we go.
539 src_keep = arvados.keep.KeepClient(api_client=src, num_retries=args.retries)
540 dst_keep = arvados.keep.KeepClient(api_client=dst, num_retries=args.retries)
544 bytes_expected = total_collection_size(manifest)
546 progress_writer = ProgressWriter(human_progress)
548 progress_writer = None
550 for line in manifest.splitlines(True):
552 dst_manifest_line = words[0]
553 for word in words[1:]:
555 loc = arvados.KeepLocator(word)
556 blockhash = loc.md5sum
557 # copy this block if we haven't seen it before
558 # (otherwise, just reuse the existing dst_locator)
559 if blockhash not in dst_locators:
560 logger.debug("Copying block %s (%s bytes)", blockhash, loc.size)
562 progress_writer.report(obj_uuid, bytes_written, bytes_expected)
563 data = src_keep.get(word)
564 dst_locator = dst_keep.put(data)
565 dst_locators[blockhash] = dst_locator
566 bytes_written += loc.size
567 dst_manifest_line += ' ' + dst_locators[blockhash]
569 # If 'word' can't be parsed as a locator,
570 # presume it's a filename.
571 dst_manifest_line += ' ' + word
572 dst_manifest += dst_manifest_line
573 if line.endswith("\n"):
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 dst_keep.put(dst_manifest.encode('utf-8'))
584 c['manifest_text'] = dst_manifest
585 return create_collection_from(c, src, dst, args)
587 # copy_git_repo(src_git_repo, src, dst, dst_git_repo, script_version, args)
589 # Copies commits from git repository 'src_git_repo' on Arvados
590 # instance 'src' to 'dst_git_repo' on 'dst'. Both src_git_repo
591 # and dst_git_repo are repository names, not UUIDs (i.e. "arvados"
594 # All commits will be copied to a destination branch named for the
595 # source repository URL.
597 # The destination repository must already exist.
599 # The user running this command must be authenticated
600 # to both repositories.
602 def copy_git_repo(src_git_repo, src, dst, dst_git_repo, script_version, args):
603 # Identify the fetch and push URLs for the git repositories.
604 r = src.repositories().list(
605 filters=[['name', '=', src_git_repo]]).execute(num_retries=args.retries)
606 if r['items_available'] != 1:
607 raise Exception('cannot identify source repo {}; {} repos found'
608 .format(src_git_repo, r['items_available']))
609 src_git_url = r['items'][0]['fetch_url']
610 logger.debug('src_git_url: {}'.format(src_git_url))
612 r = dst.repositories().list(
613 filters=[['name', '=', dst_git_repo]]).execute(num_retries=args.retries)
614 if r['items_available'] != 1:
615 raise Exception('cannot identify destination repo {}; {} repos found'
616 .format(dst_git_repo, r['items_available']))
617 dst_git_push_url = r['items'][0]['push_url']
618 logger.debug('dst_git_push_url: {}'.format(dst_git_push_url))
620 dst_branch = re.sub(r'\W+', '_', "{}_{}".format(src_git_url, script_version))
622 # Copy git commits from src repo to dst repo.
623 if src_git_repo not in local_repo_dir:
624 local_repo_dir[src_git_repo] = tempfile.mkdtemp()
625 arvados.util.run_command(
626 ["git", "clone", "--bare", src_git_url,
627 local_repo_dir[src_git_repo]],
628 cwd=os.path.dirname(local_repo_dir[src_git_repo]))
629 arvados.util.run_command(
630 ["git", "remote", "add", "dst", dst_git_push_url],
631 cwd=local_repo_dir[src_git_repo])
632 arvados.util.run_command(
633 ["git", "branch", dst_branch, script_version],
634 cwd=local_repo_dir[src_git_repo])
635 arvados.util.run_command(["git", "push", "dst", dst_branch],
636 cwd=local_repo_dir[src_git_repo])
638 def copy_docker_images(pipeline, src, dst, args):
639 """Copy any docker images named in the pipeline components'
640 runtime_constraints field from src to dst."""
642 logger.debug('copy_docker_images: {}'.format(pipeline['uuid']))
643 for c_name, c_info in pipeline['components'].iteritems():
644 if ('runtime_constraints' in c_info and
645 'docker_image' in c_info['runtime_constraints']):
647 c_info['runtime_constraints']['docker_image'],
648 c_info['runtime_constraints'].get('docker_image_tag', 'latest'),
652 def copy_docker_image(docker_image, docker_image_tag, src, dst, args):
653 """Copy the docker image identified by docker_image and
654 docker_image_tag from src to dst. Create appropriate
655 docker_image_repo+tag and docker_image_hash links at dst.
659 logger.debug('copying docker image {}:{}'.format(docker_image, docker_image_tag))
661 # Find the link identifying this docker image.
662 docker_image_list = arvados.commands.keepdocker.list_images_in_arv(
663 src, args.retries, docker_image, docker_image_tag)
664 if docker_image_list:
665 image_uuid, image_info = docker_image_list[0]
666 logger.debug('copying collection {} {}'.format(image_uuid, image_info))
668 # Copy the collection it refers to.
669 dst_image_col = copy_collection(image_uuid, src, dst, args)
670 elif arvados.util.keep_locator_pattern.match(docker_image):
671 dst_image_col = copy_collection(docker_image, src, dst, args)
673 logger.warning('Could not find docker image {}:{}'.format(docker_image, docker_image_tag))
675 # git_rev_parse(rev, repo)
677 # Returns the 40-character commit hash corresponding to 'rev' in
678 # git repository 'repo' (which must be the path of a local git
681 def git_rev_parse(rev, repo):
682 gitout, giterr = arvados.util.run_command(
683 ['git', 'rev-parse', rev], cwd=repo)
684 return gitout.strip()
686 # uuid_type(api, object_uuid)
688 # Returns the name of the class that object_uuid belongs to, based on
689 # the second field of the uuid. This function consults the api's
690 # schema to identify the object class.
692 # It returns a string such as 'Collection', 'PipelineInstance', etc.
694 # Special case: if handed a Keep locator hash, return 'Collection'.
696 def uuid_type(api, object_uuid):
697 if re.match(r'^[a-f0-9]{32}\+[0-9]+(\+[A-Za-z0-9+-]+)?$', object_uuid):
699 p = object_uuid.split('-')
702 for k in api._schema.schemas:
703 obj_class = api._schema.schemas[k].get('uuidPrefix', None)
704 if type_prefix == obj_class:
708 def abort(msg, code=1):
709 logger.info("arv-copy: %s", msg)
713 # Code for reporting on the progress of a collection upload.
714 # Stolen from arvados.commands.put.ArvPutCollectionWriter
715 # TODO(twp): figure out how to refactor into a shared library
716 # (may involve refactoring some arvados.commands.arv_copy.copy_collection
719 def machine_progress(obj_uuid, bytes_written, bytes_expected):
720 return "{} {}: {} {} written {} total\n".format(
725 -1 if (bytes_expected is None) else bytes_expected)
727 def human_progress(obj_uuid, bytes_written, bytes_expected):
729 return "\r{}: {}M / {}M {:.1%} ".format(
731 bytes_written >> 20, bytes_expected >> 20,
732 float(bytes_written) / bytes_expected)
734 return "\r{}: {} ".format(obj_uuid, bytes_written)
736 class ProgressWriter(object):
737 _progress_func = None
740 def __init__(self, progress_func):
741 self._progress_func = progress_func
743 def report(self, obj_uuid, bytes_written, bytes_expected):
744 if self._progress_func is not None:
746 self._progress_func(obj_uuid, bytes_written, bytes_expected))
749 self.outfile.write("\n")
751 if __name__ == '__main__':