diff --git a/ssh_utils.py b/ssh_utils.py
new file mode 100644
index 0000000..a7dda3f
--- /dev/null
+++ b/ssh_utils.py
@@ -0,0 +1,233 @@
+import re
+import Queue
+import logging
+import os.path
+import traceback
+import threading
+
+from concurrent.futures import ThreadPoolExecutor
+
+import itest
+from utils import ssh_connect
+from utils import get_barrier, log_error, wait_on_barrier
+
+logger = logging.getLogger("io-perf-tool")
+conn_uri_attrs = ("user", "passwd", "host", "port", "path")
+
+
+def normalize_dirpath(dirpath):
+    while dirpath.endswith("/"):
+        dirpath = dirpath[:-1]
+    return dirpath
+
+
+def ssh_mkdir(sftp, remotepath, mode=0777, intermediate=False):
+    remotepath = normalize_dirpath(remotepath)
+    if intermediate:
+        try:
+            sftp.mkdir(remotepath, mode=mode)
+        except IOError:
+            ssh_mkdir(sftp, remotepath.rsplit("/", 1)[0], mode=mode,
+                      intermediate=True)
+            return sftp.mkdir(remotepath, mode=mode)
+    else:
+        sftp.mkdir(remotepath, mode=mode)
+
+
+def ssh_copy_file(sftp, localfile, remfile, preserve_perm=True):
+    sftp.put(localfile, remfile)
+    if preserve_perm:
+        sftp.chmod(remfile, os.stat(localfile).st_mode & 0777)
+
+
+def put_dir_recursively(sftp, localpath, remotepath, preserve_perm=True):
+    "upload local directory to remote recursively"
+
+    # hack for localhost connection
+    if hasattr(sftp, "copytree"):
+        sftp.copytree(localpath, remotepath)
+        return
+
+    assert remotepath.startswith("/"), "%s must be absolute path" % remotepath
+
+    # normalize
+    localpath = normalize_dirpath(localpath)
+    remotepath = normalize_dirpath(remotepath)
+
+    try:
+        sftp.chdir(remotepath)
+        localsuffix = localpath.rsplit("/", 1)[1]
+        remotesuffix = remotepath.rsplit("/", 1)[1]
+        if localsuffix != remotesuffix:
+            remotepath = os.path.join(remotepath, localsuffix)
+    except IOError:
+        pass
+
+    for root, dirs, fls in os.walk(localpath):
+        prefix = os.path.commonprefix([localpath, root])
+        suffix = root.split(prefix, 1)[1]
+        if suffix.startswith("/"):
+            suffix = suffix[1:]
+
+        remroot = os.path.join(remotepath, suffix)
+
+        try:
+            sftp.chdir(remroot)
+        except IOError:
+            if preserve_perm:
+                mode = os.stat(root).st_mode & 0777
+            else:
+                mode = 0777
+            ssh_mkdir(sftp, remroot, mode=mode, intermediate=True)
+            sftp.chdir(remroot)
+
+        for f in fls:
+            remfile = os.path.join(remroot, f)
+            localfile = os.path.join(root, f)
+            ssh_copy_file(sftp, localfile, remfile, preserve_perm)
+
+
+def copy_paths(conn, paths):
+    sftp = conn.open_sftp()
+    try:
+        for src, dst in paths.items():
+            try:
+                if os.path.isfile(src):
+                    ssh_copy_file(sftp, src, dst)
+                elif os.path.isdir(src):
+                    put_dir_recursively(sftp, src, dst)
+                else:
+                    templ = "Can't copy {0!r} - " + \
+                            "it neither a file not a directory"
+                    msg = templ.format(src)
+                    raise OSError(msg)
+            except Exception as exc:
+                tmpl = "Scp {0!r} => {1!r} failed - {2!r}"
+                msg = tmpl.format(src, dst, exc)
+                raise OSError(msg)
+    finally:
+        sftp.close()
+
+
+class ConnCreds(object):
+    def __init__(self):
+        for name in conn_uri_attrs:
+            setattr(self, name, None)
+
+
+uri_reg_exprs = []
+
+
+class URIsNamespace(object):
+    class ReParts(object):
+        user_rr = "[^:]*?"
+        host_rr = "[^:]*?"
+        port_rr = "\\d+"
+        key_file_rr = "[^:@]*"
+        passwd_rr = ".*?"
+
+    re_dct = ReParts.__dict__
+
+    for attr_name, val in re_dct.items():
+        if attr_name.endswith('_rr'):
+            new_rr = "(?P<{0}>{1})".format(attr_name[:-3], val)
+            setattr(ReParts, attr_name, new_rr)
+
+    re_dct = ReParts.__dict__
+
+    templs = [
+        "^{host_rr}$",
+        "^{user_rr}@{host_rr}::{key_file_rr}$",
+        "^{user_rr}@{host_rr}:{port_rr}:{key_file_rr}$",
+        "^{user_rr}:{passwd_rr}@@{host_rr}$",
+        "^{user_rr}:{passwd_rr}@@{host_rr}:{port_rr}$",
+    ]
+
+    for templ in templs:
+        uri_reg_exprs.append(templ.format(**re_dct))
+
+
+def parse_ssh_uri(uri):
+    # user:passwd@@ip_host:port
+    # user:passwd@@ip_host
+    # user@ip_host:port
+    # user@ip_host
+    # ip_host:port
+    # ip_host
+    # user@ip_host:port:path_to_key_file
+    # user@ip_host::path_to_key_file
+    # ip_host:port:path_to_key_file
+    # ip_host::path_to_key_file
+
+    res = ConnCreds()
+    res.port = "22"
+    res.key_file = None
+    res.passwd = None
+
+    for rr in uri_reg_exprs:
+        rrm = re.match(rr, uri)
+        if rrm is not None:
+            res.__dict__.update(rrm.groupdict())
+            return res
+    raise ValueError("Can't parse {0!r} as ssh uri value".format(uri))
+
+
+def connect(uri):
+    creds = parse_ssh_uri(uri)
+    creds.port = int(creds.port)
+    return ssh_connect(creds)
+
+
+def conn_func(obj, barrier, latest_start_time, conn):
+    try:
+        test_iter = itest.run_test_iter(obj, conn)
+        next(test_iter)
+
+        wait_on_barrier(barrier, latest_start_time)
+
+        with log_error("!Run test"):
+            return next(test_iter)
+    except:
+        print traceback.format_exc()
+        raise
+
+
+def get_ssh_runner(uris,
+                   latest_start_time=None,
+                   keep_temp_files=False):
+    logger.debug("Connecting to servers")
+
+    with ThreadPoolExecutor(max_workers=16) as executor:
+        connections = list(executor.map(connect, uris))
+
+    result_queue = Queue.Queue()
+    barrier = get_barrier(len(uris), threaded=True)
+
+    def closure(obj):
+        ths = []
+        obj.set_result_cb(result_queue.put)
+
+        params = (obj, barrier, latest_start_time)
+
+        logger.debug("Start tests")
+        for conn in connections:
+            th = threading.Thread(None, conn_func, None,
+                                  params + (conn,))
+            th.daemon = True
+            th.start()
+            ths.append(th)
+
+        for th in ths:
+            th.join()
+
+        test_result = []
+        while not result_queue.empty():
+            test_result.append(result_queue.get())
+
+        logger.debug("Done. Closing connection")
+        for conn in connections:
+            conn.close()
+
+        return test_result
+
+    return closure