borgmatic/tests/end-to-end/test_borgmatic.py

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import json
import os
import shutil
import subprocess
import sys
import tempfile
def generate_configuration(config_path, repository_path):
'''
Generate borgmatic configuration into a file at the config path, and update the defaults so as
to work for testing (including injecting the given repository path and tacking on an encryption
passphrase).
'''
subprocess.check_call(f'borgmatic config generate --destination {config_path}'.split(' '))
config = (
open(config_path)
.read()
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.replace('ssh://user@backupserver/./sourcehostname.borg', repository_path)
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.replace('- path: /mnt/backup', '')
.replace('label: local', '')
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.replace('- /home', f'- {config_path}')
.replace('- /etc', '')
.replace('- /var/log/syslog*', '')
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+ 'encryption_passphrase: "test"'
)
config_file = open(config_path, 'w')
config_file.write(config)
config_file.close()
def test_borgmatic_command():
# Create a Borg repository.
temporary_directory = tempfile.mkdtemp()
repository_path = os.path.join(temporary_directory, 'test.borg')
extract_path = os.path.join(temporary_directory, 'extract')
original_working_directory = os.getcwd()
os.mkdir(extract_path)
os.chdir(extract_path)
try:
config_path = os.path.join(temporary_directory, 'test.yaml')
generate_configuration(config_path, repository_path)
subprocess.check_call(
f'borgmatic -v 2 --config {config_path} rcreate --encryption repokey'.split(' ')
)
# Run borgmatic to generate a backup archive, and then list it to make sure it exists.
subprocess.check_call(f'borgmatic --config {config_path}'.split(' '))
output = subprocess.check_output(
f'borgmatic --config {config_path} list --json'.split(' ')
).decode(sys.stdout.encoding)
parsed_output = json.loads(output)
assert len(parsed_output) == 1
assert len(parsed_output[0]['archives']) == 1
archive_name = parsed_output[0]['archives'][0]['archive']
# Extract the created archive into the current (temporary) directory, and confirm that the
# extracted file looks right.
output = subprocess.check_output(
f'borgmatic --config {config_path} extract --archive {archive_name}'.split(' '),
).decode(sys.stdout.encoding)
extracted_config_path = os.path.join(extract_path, config_path)
assert open(extracted_config_path).read() == open(config_path).read()
# Exercise the info action.
output = subprocess.check_output(
f'borgmatic --config {config_path} info --json'.split(' '),
).decode(sys.stdout.encoding)
parsed_output = json.loads(output)
assert len(parsed_output) == 1
assert 'repository' in parsed_output[0]
finally:
os.chdir(original_working_directory)
shutil.rmtree(temporary_directory)