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Fix/rsync issues (#1036)
* Fixed issue with relative path for rsync relative names Actually using the parsed URL `path` part, instead of doing a lousy split(). Renamed the `p` variable into something more sensible (`target`). Fixes: #1019 * Added more verbose error messages upon rsync failures fixes #1033 * Added command to test file listing
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@ -382,21 +382,21 @@ def run_duplicity_restore(args):
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def list_target_files(config):
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import urllib.parse
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try:
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p = urllib.parse.urlparse(config["target"])
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target = urllib.parse.urlparse(config["target"])
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except ValueError:
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return "invalid target"
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if p.scheme == "file":
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return [(fn, os.path.getsize(os.path.join(p.path, fn))) for fn in os.listdir(p.path)]
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if target.scheme == "file":
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return [(fn, os.path.getsize(os.path.join(target.path, fn))) for fn in os.listdir(target.path)]
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elif p.scheme == "rsync":
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elif target.scheme == "rsync":
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rsync_fn_size_re = re.compile(r'.* ([^ ]*) [^ ]* [^ ]* (.*)')
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rsync_target = '{host}:{path}'
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_, target_host, target_path = config['target'].split('//')
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target_path = '/' + target_path
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if not target_path.endswith('/'):
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target_path += '/'
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if not target.path.endswith('/'):
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target_path = target.path + '/'
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if target.path.startswith('/'):
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target_path = target.path[1:]
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rsync_command = [ 'rsync',
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'-e',
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@ -404,11 +404,11 @@ def list_target_files(config):
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'--list-only',
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'-r',
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rsync_target.format(
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host=target_host,
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host=target.netloc,
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path=target_path)
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]
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code, listing = shell('check_output', rsync_command, trap=True)
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code, listing = shell('check_output', rsync_command, trap=True, capture_stderr=True)
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if code == 0:
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ret = []
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for l in listing.split('\n'):
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@ -417,21 +417,33 @@ def list_target_files(config):
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ret.append( (match.groups()[1], int(match.groups()[0].replace(',',''))) )
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return ret
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else:
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raise ValueError("Connection to rsync host failed")
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if 'Permission denied (publickey).' in listing:
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reason = "Invalid user or check you correctly copied the SSH key."
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elif 'No such file or directory' in listing:
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reason = "Provided path {} is invalid.".format(target_path)
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elif 'Network is unreachable' in listing:
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reason = "The IP address {} is unreachable.".format(target.hostname)
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elif 'Could not resolve hostname':
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reason = "The hostname {} cannot be resolved.".format(target.hostname)
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else:
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reason = "Unknown error." \
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"Please check running 'python management/backup.py --verify'" \
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"from mailinabox sources to debug the issue."
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raise ValueError("Connection to rsync host failed: {}".format(reason))
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elif p.scheme == "s3":
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elif target.scheme == "s3":
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# match to a Region
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fix_boto() # must call prior to importing boto
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import boto.s3
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from boto.exception import BotoServerError
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for region in boto.s3.regions():
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if region.endpoint == p.hostname:
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if region.endpoint == target.hostname:
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break
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else:
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raise ValueError("Invalid S3 region/host.")
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bucket = p.path[1:].split('/')[0]
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path = '/'.join(p.path[1:].split('/')[1:]) + '/'
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bucket = target.path[1:].split('/')[0]
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path = '/'.join(target.path[1:].split('/')[1:]) + '/'
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# If no prefix is specified, set the path to '', otherwise boto won't list the files
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if path == '/':
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@ -536,6 +548,12 @@ if __name__ == "__main__":
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# are readable, and b) report if they are up to date.
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run_duplicity_verification()
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elif sys.argv[-1] == "--list":
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# Run duplicity's verification command to check a) the backup files
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# are readable, and b) report if they are up to date.
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for fn, size in list_target_files(get_backup_config(load_environment())):
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print("{}\t{}".format(fn, size))
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elif sys.argv[-1] == "--status":
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# Show backup status.
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ret = backup_status(load_environment())
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