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 logger = logging.getLogger('arvados.arv-copy')
37 # local_repo_dir records which git repositories from the Arvados source
38 # instance have been checked out locally during this run, and to which
40 # e.g. if repository 'twp' from src_arv has been cloned into
41 # /tmp/gitfHkV9lu44A then local_repo_dir['twp'] = '/tmp/gitfHkV9lu44A'
45 # List of collections that have been copied in this session, and their
46 # destination collection UUIDs.
47 collections_copied = {}
49 # Set of (repository, script_version) two-tuples of commits copied in git.
50 scripts_copied = set()
52 # The owner_uuid of the object being copied
56 copy_opts = argparse.ArgumentParser(add_help=False)
58 copy_opts.add_argument(
59 '-v', '--verbose', dest='verbose', action='store_true',
60 help='Verbose output.')
61 copy_opts.add_argument(
62 '--progress', dest='progress', action='store_true',
63 help='Report progress on copying collections. (default)')
64 copy_opts.add_argument(
65 '--no-progress', dest='progress', action='store_false',
66 help='Do not report progress on copying collections.')
67 copy_opts.add_argument(
68 '-f', '--force', dest='force', action='store_true',
69 help='Perform copy even if the object appears to exist at the remote destination.')
70 copy_opts.add_argument(
71 '--src', dest='source_arvados', required=True,
72 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.')
73 copy_opts.add_argument(
74 '--dst', dest='destination_arvados', required=True,
75 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.')
76 copy_opts.add_argument(
77 '--recursive', dest='recursive', action='store_true',
78 help='Recursively copy any dependencies for this object. (default)')
79 copy_opts.add_argument(
80 '--no-recursive', dest='recursive', action='store_false',
81 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.')
82 copy_opts.add_argument(
83 '--dst-git-repo', dest='dst_git_repo',
84 help='The name of the destination git repository. Required when copying a pipeline recursively.')
85 copy_opts.add_argument(
86 '--project-uuid', dest='project_uuid',
87 help='The UUID of the project at the destination to which the pipeline should be copied.')
88 copy_opts.add_argument(
90 help='The UUID of the object to be copied.')
91 copy_opts.set_defaults(progress=True)
92 copy_opts.set_defaults(recursive=True)
94 parser = argparse.ArgumentParser(
95 description='Copy a pipeline instance, template or collection from one Arvados instance to another.',
96 parents=[copy_opts, arv_cmd.retry_opt])
97 args = parser.parse_args()
100 logger.setLevel(logging.DEBUG)
102 logger.setLevel(logging.INFO)
104 # Create API clients for the source and destination instances
105 src_arv = api_for_instance(args.source_arvados)
106 dst_arv = api_for_instance(args.destination_arvados)
108 if not args.project_uuid:
109 args.project_uuid = dst_arv.users().current().execute(num_retries=args.retries)["uuid"]
111 # Identify the kind of object we have been given, and begin copying.
112 t = uuid_type(src_arv, args.object_uuid)
113 if t == 'Collection':
114 set_src_owner_uuid(src_arv.collections(), args.object_uuid, args)
115 result = copy_collection(args.object_uuid,
118 elif t == 'PipelineInstance':
119 set_src_owner_uuid(src_arv.pipeline_instances(), args.object_uuid, args)
120 result = copy_pipeline_instance(args.object_uuid,
123 elif t == 'PipelineTemplate':
124 set_src_owner_uuid(src_arv.pipeline_templates(), args.object_uuid, args)
125 result = copy_pipeline_template(args.object_uuid,
126 src_arv, dst_arv, args)
128 abort("cannot copy object {} of type {}".format(args.object_uuid, t))
130 # Clean up any outstanding temp git repositories.
131 for d in local_repo_dir.values():
132 shutil.rmtree(d, ignore_errors=True)
134 # If no exception was thrown and the response does not have an
135 # error_token field, presume success
136 if 'error_token' in result or 'uuid' not in result:
137 logger.error("API server returned an error result: {}".format(result))
141 logger.info("Success: created copy with uuid {}".format(result['uuid']))
144 def set_src_owner_uuid(resource, uuid, args):
145 global src_owner_uuid
146 c = resource.get(uuid=uuid).execute(num_retries=args.retries)
147 src_owner_uuid = c.get("owner_uuid")
149 # api_for_instance(instance_name)
151 # Creates an API client for the Arvados instance identified by
154 # If instance_name contains a slash, it is presumed to be a path
155 # (either local or absolute) to a file with Arvados configuration
158 # Otherwise, it is presumed to be the name of a file in
159 # $HOME/.config/arvados/instance_name.conf
161 def api_for_instance(instance_name):
162 if '/' in instance_name:
163 config_file = instance_name
165 config_file = os.path.join(os.environ['HOME'], '.config', 'arvados', "{}.conf".format(instance_name))
168 cfg = arvados.config.load(config_file)
169 except (IOError, OSError) as e:
170 abort(("Could not open config file {}: {}\n" +
171 "You must make sure that your configuration tokens\n" +
172 "for Arvados instance {} are in {} and that this\n" +
173 "file is readable.").format(
174 config_file, e, instance_name, config_file))
176 if 'ARVADOS_API_HOST' in cfg and 'ARVADOS_API_TOKEN' in cfg:
178 cfg.get('ARVADOS_API_HOST_INSECURE', '').lower() in set(
179 ['1', 't', 'true', 'y', 'yes']))
180 client = arvados.api('v1',
181 host=cfg['ARVADOS_API_HOST'],
182 token=cfg['ARVADOS_API_TOKEN'],
183 insecure=api_is_insecure)
185 abort('need ARVADOS_API_HOST and ARVADOS_API_TOKEN for {}'.format(instance_name))
188 # copy_pipeline_instance(pi_uuid, src, dst, args)
190 # Copies a pipeline instance identified by pi_uuid from src to dst.
192 # If the args.recursive option is set:
193 # 1. Copies all input collections
194 # * For each component in the pipeline, include all collections
195 # listed as job dependencies for that component)
196 # 2. Copy docker images
197 # 3. Copy git repositories
198 # 4. Copy the pipeline template
200 # The only changes made to the copied pipeline instance are:
201 # 1. The original pipeline instance UUID is preserved in
202 # the 'properties' hash as 'copied_from_pipeline_instance_uuid'.
203 # 2. The pipeline_template_uuid is changed to the new template uuid.
204 # 3. The owner_uuid of the instance is changed to the user who
207 def copy_pipeline_instance(pi_uuid, src, dst, args):
208 # Fetch the pipeline instance record.
209 pi = src.pipeline_instances().get(uuid=pi_uuid).execute(num_retries=args.retries)
212 if not args.dst_git_repo:
213 abort('--dst-git-repo is required when copying a pipeline recursively.')
214 # Copy the pipeline template and save the copied template.
215 if pi.get('pipeline_template_uuid', None):
216 pt = copy_pipeline_template(pi['pipeline_template_uuid'],
219 # Copy input collections, docker images and git repos.
220 pi = copy_collections(pi, src, dst, args)
221 copy_git_repos(pi, src, dst, args.dst_git_repo, args)
222 copy_docker_images(pi, src, dst, args)
224 # Update the fields of the pipeline instance with the copied
226 if pi.get('pipeline_template_uuid', None):
227 pi['pipeline_template_uuid'] = pt['uuid']
231 logger.info("Copying only pipeline instance %s.", pi_uuid)
232 logger.info("You are responsible for making sure all pipeline dependencies have been updated.")
234 # Update the pipeline instance properties, and create the new
236 pi['properties']['copied_from_pipeline_instance_uuid'] = pi_uuid
237 pi['description'] = "Pipeline copied from {}\n\n{}".format(
239 pi['description'] if pi.get('description', None) else '')
241 pi['owner_uuid'] = args.project_uuid
245 new_pi = dst.pipeline_instances().create(body=pi, ensure_unique_name=True).execute(num_retries=args.retries)
248 # copy_pipeline_template(pt_uuid, src, dst, args)
250 # Copies a pipeline template identified by pt_uuid from src to dst.
252 # If args.recursive is True, also copy any collections, docker
253 # images and git repositories that this template references.
255 # The owner_uuid of the new template is changed to that of the user
256 # who copied the template.
258 # Returns the copied pipeline template object.
260 def copy_pipeline_template(pt_uuid, src, dst, args):
261 # fetch the pipeline template from the source instance
262 pt = src.pipeline_templates().get(uuid=pt_uuid).execute(num_retries=args.retries)
265 if not args.dst_git_repo:
266 abort('--dst-git-repo is required when copying a pipeline recursively.')
267 # Copy input collections, docker images and git repos.
268 pt = copy_collections(pt, src, dst, args)
269 copy_git_repos(pt, src, dst, args.dst_git_repo, args)
270 copy_docker_images(pt, src, dst, args)
272 pt['description'] = "Pipeline template copied from {}\n\n{}".format(
274 pt['description'] if pt.get('description', None) else '')
275 pt['name'] = "{} copied from {}".format(pt.get('name', ''), pt_uuid)
278 pt['owner_uuid'] = args.project_uuid
280 return dst.pipeline_templates().create(body=pt, ensure_unique_name=True).execute(num_retries=args.retries)
282 # copy_collections(obj, src, dst, args)
284 # Recursively copies all collections referenced by 'obj' from src
285 # to dst. obj may be a dict or a list, in which case we run
286 # copy_collections on every value it contains. If it is a string,
287 # search it for any substring that matches a collection hash or uuid
288 # (this will find hidden references to collections like
289 # "input0": "$(file 3229739b505d2b878b62aed09895a55a+142/HWI-ST1027_129_D0THKACXX.1_1.fastq)")
291 # Returns a copy of obj with any old collection uuids replaced by
294 def copy_collections(obj, src, dst, args):
296 def copy_collection_fn(collection_match):
297 """Helper function for regex substitution: copies a single collection,
298 identified by the collection_match MatchObject, to the
299 destination. Returns the destination collection uuid (or the
300 portable data hash if that's what src_id is).
303 src_id = collection_match.group(0)
304 if src_id not in collections_copied:
305 dst_col = copy_collection(src_id, src, dst, args)
306 if src_id in [dst_col['uuid'], dst_col['portable_data_hash']]:
307 collections_copied[src_id] = src_id
309 collections_copied[src_id] = dst_col['uuid']
310 return collections_copied[src_id]
312 if isinstance(obj, basestring):
313 # Copy any collections identified in this string to dst, replacing
314 # them with the dst uuids as necessary.
315 obj = arvados.util.portable_data_hash_pattern.sub(copy_collection_fn, obj)
316 obj = arvados.util.collection_uuid_pattern.sub(copy_collection_fn, obj)
318 elif type(obj) == dict:
319 return {v: copy_collections(obj[v], src, dst, args) for v in obj}
320 elif type(obj) == list:
321 return [copy_collections(v, src, dst, args) for v in obj]
324 def migrate_jobspec(jobspec, src, dst, dst_repo, args):
325 """Copy a job's script to the destination repository, and update its record.
327 Given a jobspec dictionary, this function finds the referenced script from
328 src and copies it to dst and dst_repo. It also updates jobspec in place to
329 refer to names on the destination.
331 repo = jobspec.get('repository')
334 # script_version is the "script_version" parameter from the source
335 # component or job. If no script_version was supplied in the
336 # component or job, it is a mistake in the pipeline, but for the
337 # purposes of copying the repository, default to "master".
338 script_version = jobspec.get('script_version') or 'master'
339 script_key = (repo, script_version)
340 if script_key not in scripts_copied:
341 copy_git_repo(repo, src, dst, dst_repo, script_version, args)
342 scripts_copied.add(script_key)
343 jobspec['repository'] = dst_repo
344 repo_dir = local_repo_dir[repo]
345 for version_key in ['script_version', 'supplied_script_version']:
346 if version_key in jobspec:
347 jobspec[version_key] = git_rev_parse(jobspec[version_key], repo_dir)
349 # copy_git_repos(p, src, dst, dst_repo, args)
351 # Copies all git repositories referenced by pipeline instance or
352 # template 'p' from src to dst.
354 # For each component c in the pipeline:
355 # * Copy git repositories named in c['repository'] and c['job']['repository'] if present
356 # * Rename script versions:
357 # * c['script_version']
358 # * c['job']['script_version']
359 # * c['job']['supplied_script_version']
360 # to the commit hashes they resolve to, since any symbolic
361 # names (tags, branches) are not preserved in the destination repo.
363 # The pipeline object is updated in place with the new repository
364 # names. The return value is undefined.
366 def copy_git_repos(p, src, dst, dst_repo, args):
367 for component in p['components'].itervalues():
368 migrate_jobspec(component, src, dst, dst_repo, args)
369 if 'job' in component:
370 migrate_jobspec(component['job'], src, dst, dst_repo, args)
372 def total_collection_size(manifest_text):
373 """Return the total number of bytes in this collection (excluding
374 duplicate blocks)."""
378 for line in manifest_text.splitlines():
380 for word in words[1:]:
382 loc = arvados.KeepLocator(word)
384 continue # this word isn't a locator, skip it
385 if loc.md5sum not in locators_seen:
386 locators_seen[loc.md5sum] = True
387 total_bytes += loc.size
391 def create_collection_from(c, src, dst, args):
392 """Create a new collection record on dst, and copy Docker metadata if
395 collection_uuid = c['uuid']
399 c['name'] = "copied from " + collection_uuid
401 if 'properties' in c:
404 c['owner_uuid'] = args.project_uuid
406 dst_collection = dst.collections().create(body=c, ensure_unique_name=True).execute(num_retries=args.retries)
408 # Create docker_image_repo+tag and docker_image_hash links
409 # at the destination.
410 for link_class in ("docker_image_repo+tag", "docker_image_hash"):
411 docker_links = src.links().list(filters=[["head_uuid", "=", collection_uuid], ["link_class", "=", link_class]]).execute(num_retries=args.retries)['items']
413 for d in docker_links:
415 'head_uuid': dst_collection['uuid'],
416 'link_class': link_class,
419 body['owner_uuid'] = args.project_uuid
421 lk = dst.links().create(body=body).execute(num_retries=args.retries)
422 logger.debug('created dst link {}'.format(lk))
424 return dst_collection
426 # copy_collection(obj_uuid, src, dst, args)
428 # Copies the collection identified by obj_uuid from src to dst.
429 # Returns the collection object created at dst.
431 # If args.progress is True, produce a human-friendly progress
434 # If a collection with the desired portable_data_hash already
435 # exists at dst, and args.force is False, copy_collection returns
436 # the existing collection without copying any blocks. Otherwise
437 # (if no collection exists or if args.force is True)
438 # copy_collection copies all of the collection data blocks from src
441 # For this application, it is critical to preserve the
442 # collection's manifest hash, which is not guaranteed with the
443 # arvados.CollectionReader and arvados.CollectionWriter classes.
444 # Copying each block in the collection manually, followed by
445 # the manifest block, ensures that the collection's manifest
446 # hash will not change.
448 def copy_collection(obj_uuid, src, dst, args):
449 if arvados.util.keep_locator_pattern.match(obj_uuid):
450 # If the obj_uuid is a portable data hash, it might not be uniquely
451 # identified with a particular collection. As a result, it is
452 # ambigious as to what name to use for the copy. Apply some heuristics
453 # to pick which collection to get the name from.
454 srccol = src.collections().list(
455 filters=[['portable_data_hash', '=', obj_uuid]],
456 order="created_at asc"
457 ).execute(num_retries=args.retries)
459 items = srccol.get("items")
462 logger.warning("Could not find collection with portable data hash %s", obj_uuid)
468 # There's only one collection with the PDH, so use that.
471 # See if there is a collection that's in the same project
472 # as the root item (usually a pipeline) being copied.
474 if i.get("owner_uuid") == src_owner_uuid and i.get("name"):
478 # Didn't find any collections located in the same project, so
479 # pick the oldest collection that has a name assigned to it.
485 # None of the collections have names (?!), so just pick the
489 # list() doesn't return manifest text (and we don't want it to,
490 # because we don't need the same maninfest text sent to us 50
491 # times) so go and retrieve the collection object directly
492 # which will include the manifest text.
493 c = src.collections().get(uuid=c["uuid"]).execute(num_retries=args.retries)
495 # Assume this is an actual collection uuid, so fetch it directly.
496 c = src.collections().get(uuid=obj_uuid).execute(num_retries=args.retries)
498 # If a collection with this hash already exists at the
499 # destination, and 'force' is not true, just return that
502 if 'portable_data_hash' in c:
503 colhash = c['portable_data_hash']
506 dstcol = dst.collections().list(
507 filters=[['portable_data_hash', '=', colhash]]
508 ).execute(num_retries=args.retries)
509 if dstcol['items_available'] > 0:
510 for d in dstcol['items']:
511 if ((args.project_uuid == d['owner_uuid']) and
512 (c.get('name') == d['name']) and
513 (c['portable_data_hash'] == d['portable_data_hash'])):
515 c['manifest_text'] = dst.collections().get(
516 uuid=dstcol['items'][0]['uuid']
517 ).execute(num_retries=args.retries)['manifest_text']
518 return create_collection_from(c, src, dst, args)
520 # Fetch the collection's manifest.
521 manifest = c['manifest_text']
522 logger.debug("Copying collection %s with manifest: <%s>", obj_uuid, manifest)
524 # Copy each block from src_keep to dst_keep.
525 # Use the newly signed locators returned from dst_keep to build
526 # a new manifest as we go.
527 src_keep = arvados.keep.KeepClient(api_client=src, num_retries=args.retries)
528 dst_keep = arvados.keep.KeepClient(api_client=dst, num_retries=args.retries)
532 bytes_expected = total_collection_size(manifest)
534 progress_writer = ProgressWriter(human_progress)
536 progress_writer = None
538 for line in manifest.splitlines(True):
540 dst_manifest_line = words[0]
541 for word in words[1:]:
543 loc = arvados.KeepLocator(word)
544 blockhash = loc.md5sum
545 # copy this block if we haven't seen it before
546 # (otherwise, just reuse the existing dst_locator)
547 if blockhash not in dst_locators:
548 logger.debug("Copying block %s (%s bytes)", blockhash, loc.size)
550 progress_writer.report(obj_uuid, bytes_written, bytes_expected)
551 data = src_keep.get(word)
552 dst_locator = dst_keep.put(data)
553 dst_locators[blockhash] = dst_locator
554 bytes_written += loc.size
555 dst_manifest_line += ' ' + dst_locators[blockhash]
557 # If 'word' can't be parsed as a locator,
558 # presume it's a filename.
559 dst_manifest_line += ' ' + word
560 dst_manifest += dst_manifest_line
561 if line.endswith("\n"):
565 progress_writer.report(obj_uuid, bytes_written, bytes_expected)
566 progress_writer.finish()
568 # Copy the manifest and save the collection.
569 logger.debug('saving %s with manifest: <%s>', obj_uuid, dst_manifest)
571 dst_keep.put(dst_manifest.encode('utf-8'))
572 c['manifest_text'] = dst_manifest
573 return create_collection_from(c, src, dst, args)
575 # copy_git_repo(src_git_repo, src, dst, dst_git_repo, script_version, args)
577 # Copies commits from git repository 'src_git_repo' on Arvados
578 # instance 'src' to 'dst_git_repo' on 'dst'. Both src_git_repo
579 # and dst_git_repo are repository names, not UUIDs (i.e. "arvados"
582 # All commits will be copied to a destination branch named for the
583 # source repository URL.
585 # The destination repository must already exist.
587 # The user running this command must be authenticated
588 # to both repositories.
590 def copy_git_repo(src_git_repo, src, dst, dst_git_repo, script_version, args):
591 # Identify the fetch and push URLs for the git repositories.
592 r = src.repositories().list(
593 filters=[['name', '=', src_git_repo]]).execute(num_retries=args.retries)
594 if r['items_available'] != 1:
595 raise Exception('cannot identify source repo {}; {} repos found'
596 .format(src_git_repo, r['items_available']))
597 src_git_url = r['items'][0]['fetch_url']
598 logger.debug('src_git_url: {}'.format(src_git_url))
600 r = dst.repositories().list(
601 filters=[['name', '=', dst_git_repo]]).execute(num_retries=args.retries)
602 if r['items_available'] != 1:
603 raise Exception('cannot identify destination repo {}; {} repos found'
604 .format(dst_git_repo, r['items_available']))
605 dst_git_push_url = r['items'][0]['push_url']
606 logger.debug('dst_git_push_url: {}'.format(dst_git_push_url))
608 dst_branch = re.sub(r'\W+', '_', "{}_{}".format(src_git_url, script_version))
610 # Copy git commits from src repo to dst repo.
611 if src_git_repo not in local_repo_dir:
612 local_repo_dir[src_git_repo] = tempfile.mkdtemp()
613 arvados.util.run_command(
614 ["git", "clone", "--bare", src_git_url,
615 local_repo_dir[src_git_repo]],
616 cwd=os.path.dirname(local_repo_dir[src_git_repo]))
617 arvados.util.run_command(
618 ["git", "remote", "add", "dst", dst_git_push_url],
619 cwd=local_repo_dir[src_git_repo])
620 arvados.util.run_command(
621 ["git", "branch", dst_branch, script_version],
622 cwd=local_repo_dir[src_git_repo])
623 arvados.util.run_command(["git", "push", "dst", dst_branch],
624 cwd=local_repo_dir[src_git_repo])
626 def copy_docker_images(pipeline, src, dst, args):
627 """Copy any docker images named in the pipeline components'
628 runtime_constraints field from src to dst."""
630 logger.debug('copy_docker_images: {}'.format(pipeline['uuid']))
631 for c_name, c_info in pipeline['components'].iteritems():
632 if ('runtime_constraints' in c_info and
633 'docker_image' in c_info['runtime_constraints']):
635 c_info['runtime_constraints']['docker_image'],
636 c_info['runtime_constraints'].get('docker_image_tag', 'latest'),
640 def copy_docker_image(docker_image, docker_image_tag, src, dst, args):
641 """Copy the docker image identified by docker_image and
642 docker_image_tag from src to dst. Create appropriate
643 docker_image_repo+tag and docker_image_hash links at dst.
647 logger.debug('copying docker image {}:{}'.format(docker_image, docker_image_tag))
649 # Find the link identifying this docker image.
650 docker_image_list = arvados.commands.keepdocker.list_images_in_arv(
651 src, args.retries, docker_image, docker_image_tag)
652 if docker_image_list:
653 image_uuid, image_info = docker_image_list[0]
654 logger.debug('copying collection {} {}'.format(image_uuid, image_info))
656 # Copy the collection it refers to.
657 dst_image_col = copy_collection(image_uuid, src, dst, args)
658 elif arvados.util.keep_locator_pattern.match(docker_image):
659 dst_image_col = copy_collection(docker_image, src, dst, args)
661 logger.warning('Could not find docker image {}:{}'.format(docker_image, docker_image_tag))
663 # git_rev_parse(rev, repo)
665 # Returns the 40-character commit hash corresponding to 'rev' in
666 # git repository 'repo' (which must be the path of a local git
669 def git_rev_parse(rev, repo):
670 gitout, giterr = arvados.util.run_command(
671 ['git', 'rev-parse', rev], cwd=repo)
672 return gitout.strip()
674 # uuid_type(api, object_uuid)
676 # Returns the name of the class that object_uuid belongs to, based on
677 # the second field of the uuid. This function consults the api's
678 # schema to identify the object class.
680 # It returns a string such as 'Collection', 'PipelineInstance', etc.
682 # Special case: if handed a Keep locator hash, return 'Collection'.
684 def uuid_type(api, object_uuid):
685 if re.match(r'^[a-f0-9]{32}\+[0-9]+(\+[A-Za-z0-9+-]+)?$', object_uuid):
687 p = object_uuid.split('-')
690 for k in api._schema.schemas:
691 obj_class = api._schema.schemas[k].get('uuidPrefix', None)
692 if type_prefix == obj_class:
696 def abort(msg, code=1):
697 logger.info("arv-copy: %s", msg)
701 # Code for reporting on the progress of a collection upload.
702 # Stolen from arvados.commands.put.ArvPutCollectionWriter
703 # TODO(twp): figure out how to refactor into a shared library
704 # (may involve refactoring some arvados.commands.arv_copy.copy_collection
707 def machine_progress(obj_uuid, bytes_written, bytes_expected):
708 return "{} {}: {} {} written {} total\n".format(
713 -1 if (bytes_expected is None) else bytes_expected)
715 def human_progress(obj_uuid, bytes_written, bytes_expected):
717 return "\r{}: {}M / {}M {:.1%} ".format(
719 bytes_written >> 20, bytes_expected >> 20,
720 float(bytes_written) / bytes_expected)
722 return "\r{}: {} ".format(obj_uuid, bytes_written)
724 class ProgressWriter(object):
725 _progress_func = None
728 def __init__(self, progress_func):
729 self._progress_func = progress_func
731 def report(self, obj_uuid, bytes_written, bytes_expected):
732 if self._progress_func is not None:
734 self._progress_func(obj_uuid, bytes_written, bytes_expected))
737 self.outfile.write("\n")
739 if __name__ == '__main__':