Merge branch '11423-cwl-collection-dir-ref' closes #11423
[arvados.git] / sdk / python / arvados / commands / put.py
index 38e43496149ca2786580c257f729242695071c36..32d5fef6a8588e1f2785517435949082dd5b3534 100644 (file)
@@ -23,6 +23,8 @@ import sys
 import tempfile
 import threading
 import time
+import traceback
+
 from apiclient import errors as apiclient_errors
 from arvados._version import __version__
 
@@ -133,6 +135,15 @@ physical storage devices (e.g., disks) should have a copy of each data
 block. Default is to use the server-provided default (if any) or 2.
 """)
 
+upload_opts.add_argument('--threads', type=int, metavar='N', default=None,
+                         help="""
+Set the number of upload threads to be used. Take into account that
+using lots of threads will increase the RAM requirements. Default is
+to use 2 threads.
+On high latency installations, using a greater number will improve
+overall throughput.
+""")
+
 run_opts = argparse.ArgumentParser(add_help=False)
 
 run_opts.add_argument('--project-uuid', metavar='UUID', help="""
@@ -347,8 +358,9 @@ class ArvPutUploadJob(object):
 
     def __init__(self, paths, resume=True, use_cache=True, reporter=None,
                  bytes_expected=None, name=None, owner_uuid=None,
-                 ensure_unique_name=False, num_retries=None, replication_desired=None,
-                 filename=None, update_time=20.0, update_collection=None,
+                 ensure_unique_name=False, num_retries=None,
+                 put_threads=None, replication_desired=None,
+                 filename=None, update_time=60.0, update_collection=None,
                  logger=logging.getLogger('arvados.arv_put'), dry_run=False):
         self.paths = paths
         self.resume = resume
@@ -363,6 +375,7 @@ class ArvPutUploadJob(object):
         self.ensure_unique_name = ensure_unique_name
         self.num_retries = num_retries
         self.replication_desired = replication_desired
+        self.put_threads = put_threads
         self.filename = filename
         self._state_lock = threading.Lock()
         self._state = None # Previous run state (file list & manifest)
@@ -371,14 +384,16 @@ class ArvPutUploadJob(object):
         self._collection_lock = threading.Lock()
         self._remote_collection = None # Collection being updated (if asked)
         self._local_collection = None # Collection from previous run manifest
-        self._file_paths = [] # Files to be updated in remote collection
+        self._file_paths = set() # Files to be updated in remote collection
         self._stop_checkpointer = threading.Event()
         self._checkpointer = threading.Thread(target=self._update_task)
         self._checkpointer.daemon = True
         self._update_task_time = update_time  # How many seconds wait between update runs
         self._files_to_upload = FileUploadList(dry_run=dry_run)
+        self._upload_started = False
         self.logger = logger
         self.dry_run = dry_run
+        self._checkpoint_before_quit = True
 
         if not self.use_cache and self.resume:
             raise ArvPutArgumentConflict('resume cannot be True when use_cache is False')
@@ -427,23 +442,34 @@ class ArvPutUploadJob(object):
             # bytes_written count is correct.
             for f in self.collection_file_paths(self._local_collection,
                                                 path_prefix=""):
-                if f != 'stdin' and not f in self._file_paths:
+                if f != 'stdin' and f != self.filename and not f in self._file_paths:
                     self._local_collection.remove(f)
             # Update bytes_written from current local collection and
             # report initial progress.
             self._update()
             # Actual file upload
+            self._upload_started = True # Used by the update thread to start checkpointing
             self._upload_files()
+        except (SystemExit, Exception) as e:
+            self._checkpoint_before_quit = False
+            # Log stack trace only when Ctrl-C isn't pressed (SIGINT)
+            # Note: We're expecting SystemExit instead of KeyboardInterrupt because
+            #   we have a custom signal handler in place that raises SystemExit with
+            #   the catched signal's code.
+            if not isinstance(e, SystemExit) or e.code != -2:
+                self.logger.warning("Abnormal termination:\n{}".format(traceback.format_exc(e)))
+            raise
         finally:
             if not self.dry_run:
                 # Stop the thread before doing anything else
                 self._stop_checkpointer.set()
                 self._checkpointer.join()
-                # Commit all pending blocks & one last _update()
-                self._local_collection.manifest_text()
-                self._update(final=True)
-                if save_collection:
-                    self.save_collection()
+                if self._checkpoint_before_quit:
+                    # Commit all pending blocks & one last _update()
+                    self._local_collection.manifest_text()
+                    self._update(final=True)
+                    if save_collection:
+                        self.save_collection()
             if self.use_cache:
                 self._cache_file.close()
 
@@ -495,24 +521,31 @@ class ArvPutUploadJob(object):
         Periodically called support task. File uploading is
         asynchronous so we poll status from the collection.
         """
-        while not self._stop_checkpointer.wait(self._update_task_time):
+        while not self._stop_checkpointer.wait(1 if not self._upload_started else self._update_task_time):
             self._update()
 
     def _update(self, final=False):
         """
         Update cached manifest text and report progress.
         """
-        with self._collection_lock:
-            self.bytes_written = self._collection_size(self._local_collection)
-            if self.use_cache:
-                # Update cache
-                with self._state_lock:
+        if self._upload_started:
+            with self._collection_lock:
+                self.bytes_written = self._collection_size(self._local_collection)
+                if self.use_cache:
                     if final:
-                        self._state['manifest'] = self._local_collection.manifest_text()
+                        manifest = self._local_collection.manifest_text()
                     else:
                         # Get the manifest text without comitting pending blocks
-                        self._state['manifest'] = self._local_collection._get_manifest_text(".", strip=False, normalize=False, only_committed=True)
+                        manifest = self._local_collection.manifest_text(strip=False,
+                                                                        normalize=False,
+                                                                        only_committed=True)
+                    # Update cache
+                    with self._state_lock:
+                        self._state['manifest'] = manifest
+            if self.use_cache:
                 self._save_state()
+        else:
+            self.bytes_written = self.bytes_skipped
         # Call the reporter, if any
         self.report_progress()
 
@@ -531,7 +564,7 @@ class ArvPutUploadJob(object):
         should_upload = False
         new_file_in_cache = False
         # Record file path for updating the remote collection before exiting
-        self._file_paths.append(filename)
+        self._file_paths.add(filename)
 
         with self._state_lock:
             # If no previous cached data on this file, store it for an eventual
@@ -663,7 +696,7 @@ class ArvPutUploadJob(object):
                 # No cache file, set empty state
                 self._state = copy.deepcopy(self.EMPTY_STATE)
             # Load the previous manifest so we can check if files were modified remotely.
-            self._local_collection = arvados.collection.Collection(self._state['manifest'], replication_desired=self.replication_desired)
+            self._local_collection = arvados.collection.Collection(self._state['manifest'], replication_desired=self.replication_desired, put_threads=self.put_threads)
 
     def collection_file_paths(self, col, path_prefix='.'):
         """Return a list of file paths by recursively go through the entire collection `col`"""
@@ -688,12 +721,15 @@ class ArvPutUploadJob(object):
         """
         try:
             with self._state_lock:
-                state = copy.deepcopy(self._state)
+                # We're not using copy.deepcopy() here because it's a lot slower
+                # than json.dumps(), and we're already needing JSON format to be
+                # saved on disk.
+                state = json.dumps(self._state)
             new_cache_fd, new_cache_name = tempfile.mkstemp(
                 dir=os.path.dirname(self._cache_filename))
             self._lock_file(new_cache_fd)
             new_cache = os.fdopen(new_cache_fd, 'r+')
-            json.dump(state, new_cache)
+            new_cache.write(state)
             new_cache.flush()
             os.fsync(new_cache)
             os.rename(new_cache_name, self._cache_filename)
@@ -714,7 +750,14 @@ class ArvPutUploadJob(object):
         return self._my_collection().manifest_locator()
 
     def portable_data_hash(self):
-        return self._my_collection().portable_data_hash()
+        pdh = self._my_collection().portable_data_hash()
+        m = self._my_collection().stripped_manifest()
+        local_pdh = hashlib.md5(m).hexdigest() + '+' + str(len(m))
+        if pdh != local_pdh:
+            logger.warning("\n".join([
+                "arv-put: API server provided PDH differs from local manifest.",
+                "         This should not happen; showing API server version."]))
+        return pdh
 
     def manifest_text(self, stream_name=".", strip=False, normalize=False):
         return self._my_collection().manifest_text(stream_name, strip, normalize)
@@ -801,6 +844,7 @@ def main(arguments=None, stdout=sys.stdout, stderr=sys.stderr):
     global api_client
 
     logger = logging.getLogger('arvados.arv_put')
+    logger.setLevel(logging.INFO)
     args = parse_arguments(arguments)
     status = 0
     if api_client is None:
@@ -840,6 +884,10 @@ def main(arguments=None, stdout=sys.stdout, stderr=sys.stderr):
     else:
         reporter = None
 
+    # If this is used by a human, and there's at least one directory to be
+    # uploaded, the expected bytes calculation can take a moment.
+    if args.progress and any([os.path.isdir(f) for f in args.paths]):
+        logger.info("Calculating upload size, this could take some time...")
     bytes_expected = expected_bytes_for(args.paths)
 
     try:
@@ -851,6 +899,7 @@ def main(arguments=None, stdout=sys.stdout, stderr=sys.stderr):
                                  bytes_expected = bytes_expected,
                                  num_retries = args.retries,
                                  replication_desired = args.replication,
+                                 put_threads = args.threads,
                                  name = collection_name,
                                  owner_uuid = project_uuid,
                                  ensure_unique_name = True,