Differential D23 Diff 74 swh/storage/tests/manual_test_archiver.py

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swh/storage/tests/manual_test_archiver.py

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				import string
				import random

				from swh.core import hashutil
				from swh.storage import Storage
				from swh.storage.db import cursor_to_bytes

				from swh.storage.archiver import ArchiverDirector


				def rs(size=6, chars=string.ascii_uppercase + string.ascii_lowercase):
				return ''.join(random.choice(chars) for _ in range(size))


				def mc(data):
				data = bytes(data, 'utf8')
				content = hashutil.hashdata(data)
				content.update({'data': data})
				return content


				def initialize_content_archive(db, sample_size, names=['Local']):
				""" Initialize the content_archive table with a sample.

				From the content table, get a sample of id, and fill the
				content_archive table with those id in order to create a test sample
				for the archiver.

				Args:
				db: The database of the storage.
				sample_size (int): The size of the sample to create.
				names: A list of archive names. Those archives must already exists.
				Archival status of the archives content will be erased on db.

				Returns:
				Tha amount of entry created.
				"""
				with db.transaction() as cur:
				cur.execute('DELETE FROM content_archive')

				with db.transaction() as cur:
				cur.execute('SELECT sha1 from content limit %d' % sample_size)
				ids = list(cursor_to_bytes(cur))

				for id, in ids:
				tid = r'\x' + hashutil.hash_to_hex(id)

				with db.transaction() as cur:
				for name in names:
				s = """INSERT INTO content_archive
				VALUES('%s'::sha1, '%s', 'missing', now())
				""" % (tid, name)
				cur.execute(s)

				print('Initialized database with', sample_size * len(names), 'items')
				return sample_size * len(names)


				def clean():
				# Clean all
				with loc.db.transaction() as cur:
				cur.execute('delete from content_archive')
				cur.execute('delete from content')
				import os
				os.system("rm -r /tmp/swh/storage-dev/2/*")


				CONTENT_SIZE = 10

				if __name__ == '__main__':
				random.seed(0)
				# Local database
				dbname = 'softwareheritage-dev'
				user = 'qcampos'
				cstring = 'dbname=%s user=%s' % (dbname, user)
				# Archiver config
				config = {
				'objstorage_path': '/tmp/swh/storage-dev/2',
				'archival_max_age': 3600,
				'batch_max_size': 10,
				'retention_policy': 1,
				'asynchronous': False
				}

				# Grand-palais's storage
				loc = Storage(cstring, config['objstorage_path'])

				# Add the content
				l = [mc(rs(100)) for _ in range(CONTENT_SIZE)]
				loc.content_add(l)
				initialize_content_archive(loc.db, CONTENT_SIZE, ['petit-palais'])

				# Launch the archiver
				archiver = ArchiverDirector(cstring, config)
				archiver.run()