def mirror_remote(src_dir):
#
# This isn't invoked as a top-level operation so don't create a full
# logfile; just use standard debugging-level support.
#
logger = enbackup.log.Logger('mirror')
try:
config = enbackup.utils.DefaultConfigParser(
{ "Paths" :
{ "src_dir_restrict": src_dir_restrict_default
}
})
config.read(cfg_file_path)
src_dir_restrict = config.get("Paths", "src_dir_restrict")
(path_is_valid, msg) = validate_local_dir(src_dir, src_dir_restrict)
if not path_is_valid:
logger.log(msg)
raise MirrorCmdError(src_dir, msg)
#
# If all is well, start the rsync server to mirror the requested
# directory. If currently running as root, make sure we drop down to
# the enbackup user account for actually running the rsync. We don't
# really expect this to happen on the remote end, but best to be
# sure!
#
rsync_cmd_str = mirror_cmd_remote + "{0}".format(src_dir)
if os.geteuid() == 0:
rsync_cmd = ["su", get_username(), "--command", rsync_cmd_str]
else:
rsync_cmd = rsync_cmd_str.split()
logger.debug("Remote mirror command: {0}".format(rsync_cmd))
logger.debug("About to lock '{0}' for remote mirror".
format(src_dir))
with DirLock("mirror-remote (PID {0})".format(os.getpid()),
src_dir):
run_cmd(rsync_cmd, logger)
logger.debug("Remote mirror done")
except Exception as e:
logger.error("Failed remote mirror: {}".format(e))
raise
def notify_remote(server, remote_subcommand):
ssh_user = get_username()
#
# Verify that the 'server' argument is a simple name -- no spaces,
# escaping, quotes, etc. permitted -- before running the command.
# If running as root, switch to the enbackup user before running
# the SSH so that the right key gets picked up. In future we
# could make this configurable...
#
if re.match("([A-Za-z0-9/\-_:]+)", server):
ssh_cmd_str = "ssh {0}@{1} enbackup notify {2}".format(
ssh_user, server, " ".join(remote_subcommand))
if os.geteuid() == 0:
ssh_cmd = ["su", ssh_user, "--command", ssh_cmd_str]
else:
ssh_cmd = ssh_cmd_str.split()
run_cmd(ssh_cmd, logger)
else:
logger.error("Server '{0}' name is not in the correct format".format(
server))
