SSH storage is broken

[Eldar Nugaev]

Freezer throws an exception in sftp module in listdir

root@padawan-ccp-c0-m1-mgmt:/home/stack# cat plop.ini
[default]
action = backup
path_to_backup = /home/stack/helion/
mode = fs
backup_name = test

storage = ssh
ssh_host = 192.168.56.230
ssh_username = ubuntu
ssh_port = 22
container = /tmp/parallel/
ssh_key = /etc/freezer/ssh_key

#
#[storage:swift]
#storage = swift
#container = plop
#osrc = /opt/stack/service/freezer-agent/etc/backup.osrc
#
#[storage:local]
#storage = local
#container = /tmp/plop/
root@padawan-ccp-c0-m1-mgmt:/home/stack# freezer-agent --config plop.ini --log-file /tmp/test_parallel
Traceback (most recent call last):
  File "/usr/bin/freezer-agent", line 10, in <module>
    sys.exit(main())
  File "/opt/stack/venv/freezer_agent-20151211T105501Z/lib/python2.7/site-packages/freezer/main.py", line 227, in main
    freezer_main(backup_args)
  File "/opt/stack/venv/freezer_agent-20151211T105501Z/lib/python2.7/site-packages/freezer/main.py", line 154, in freezer_main
    run_job(backup_args, storage)
  File "/opt/stack/venv/freezer_agent-20151211T105501Z/lib/python2.7/site-packages/freezer/main.py", line 159, in run_job
    freezer_job.execute()
  File "/opt/stack/venv/freezer_agent-20151211T105501Z/lib/python2.7/site-packages/freezer/job.py", line 54, in wrapper
    retval = func(self)
  File "/opt/stack/venv/freezer_agent-20151211T105501Z/lib/python2.7/site-packages/freezer/job.py", line 83, in execute
    backup.backup(self.conf, self.storage, self.engine)
  File "/opt/stack/venv/freezer_agent-20151211T105501Z/lib/python2.7/site-packages/freezer/backup.py", line 287, in backup
    time_stamp=time_stamp)
  File "/opt/stack/venv/freezer_agent-20151211T105501Z/lib/python2.7/site-packages/freezer/storage/base.py", line 152, in create_backup
    backups = self.find_all(hostname_backup_name)
  File "/opt/stack/venv/freezer_agent-20151211T105501Z/lib/python2.7/site-packages/freezer/storage/fslike.py", line 75, in find_all
    timestamps = self.listdir(backup_dir)
  File "/opt/stack/venv/freezer_agent-20151211T105501Z/lib/python2.7/site-packages/freezer/storage/ssh.py", line 102, in listdir
    return self.ftp.listdir(directory)
  File "/opt/stack/venv/freezer_agent-20151211T105501Z/lib/python2.7/site-packages/paramiko/sftp_client.py", line 172, in listdir
    return [f.filename for f in self.listdir_attr(path)]
  File "/opt/stack/venv/freezer_agent-20151211T105501Z/lib/python2.7/site-packages/paramiko/sftp_client.py", line 193, in listdir_attr
    t, msg = self._request(CMD_OPENDIR, path)
  File "/opt/stack/venv/freezer_agent-20151211T105501Z/lib/python2.7/site-packages/paramiko/sftp_client.py", line 730, in _request
    return self._read_response(num)
  File "/opt/stack/venv/freezer_agent-20151211T105501Z/lib/python2.7/site-packages/paramiko/sftp_client.py", line 777, in _read_response
    self._convert_status(msg)
  File "/opt/stack/venv/freezer_agent-20151211T105501Z/lib/python2.7/site-packages/paramiko/sftp_client.py", line 803, in _convert_status
    raise IOError(errno.ENOENT, text)
IOError: [Errno 2] No such file