add all-on-one shell scripts
diff --git a/run_rally_test.py b/run_rally_test.py
new file mode 100644
index 0000000..3787da4
--- /dev/null
+++ b/run_rally_test.py
@@ -0,0 +1,305 @@
+import os
+import re
+import sys
+import time
+import yaml
+import json
+import pprint
+import os.path
+import argparse
+import datetime
+import warnings
+import functools
+import contextlib
+import multiprocessing
+
+from rally import exceptions
+from rally.cmd import cliutils
+from rally.cmd.main import categories
+from rally.benchmark.scenarios.vm.utils import VMScenario
+
+from ssh_copy_directory import put_dir_recursively, ssh_copy_file
+
+
+def log(x):
+    dt_str = datetime.datetime.now().strftime("%H:%M:%S")
+    pref = dt_str + " " + str(os.getpid()) + " >>>> "
+    sys.stderr.write(pref + x.replace("\n", "\n" + pref) + "\n")
+
+
+def get_barrier(count):
+    val = multiprocessing.Value('i', count)
+    cond = multiprocessing.Condition()
+
+    def closure(timeout):
+        me_released = False
+        with cond:
+            val.value -= 1
+            if val.value == 0:
+                me_released = True
+                cond.notify_all()
+            else:
+                cond.wait(timeout)
+            return val.value == 0
+
+        if me_released:
+            log("Test begins!")
+
+    return closure
+
+
+# should actually use mock module for this,
+# but don't wanna to add new dependency
+
+@contextlib.contextmanager
+def patch_VMScenario_run_command_over_ssh(paths,
+                                          on_result_cb,
+                                          barrier=None,
+                                          latest_start_time=None):
+
+    try:
+        orig = VMScenario.run_action
+    except AttributeError:
+        # rally code was changed
+        log("VMScenario class was changed and have no run_action"
+            " method anymore. Update patch code.")
+        raise exceptions.ScriptError("monkeypatch code fails on "
+                                     "VMScenario.run_action")
+
+    @functools.wraps(orig)
+    def closure(self, ssh, *args, **kwargs):
+        try:
+            sftp = ssh._client.open_sftp()
+        except AttributeError:
+            # rally code was changed
+            log("Prototype of VMScenario.run_command_over_ssh "
+                "was changed. Update patch code.")
+            raise exceptions.ScriptError("monkeypatch code fails on "
+                                         "ssh._client.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)
+                        log(msg)
+                        raise exceptions.ScriptError(msg)
+                except exceptions.ScriptError:
+                    raise
+                except Exception as exc:
+                    tmpl = "Scp {0!r} => {1!r} failed - {2!r}"
+                    msg = tmpl.format(src, dst, exc)
+                    log(msg)
+                    raise exceptions.ScriptError(msg)
+        finally:
+            sftp.close()
+
+        log("Start io test")
+
+        if barrier is not None:
+            if latest_start_time is not None:
+                timeout = latest_start_time - time.time()
+            else:
+                timeout = None
+
+            if timeout is not None and timeout > 0:
+                msg = "Ready and waiting on barrier. " + \
+                      "Will wait at most {0} seconds"
+                log(msg.format(int(timeout)))
+
+                if not barrier(timeout):
+                    log("Barrier timeouted")
+
+        try:
+            code, out, err = orig(self, ssh, *args, **kwargs)
+        except Exception as exc:
+            log("Rally raises exception {0}".format(exc.message))
+            raise
+
+        if 0 != code:
+            templ = "Script returns error! code={0}\n {1}"
+            log(templ.format(code, err.rstrip()))
+        else:
+            log("Test finished")
+
+            try:
+                for line in out.split("\n"):
+                    if line.strip() != "":
+                        result = json.loads(line)
+                        on_result_cb(result)
+            except Exception as err:
+                log("Error during postprocessing results: {0!r}".format(err))
+
+            # result = {"rally": 0, "srally": 1}
+            result = {"rally": 0}
+            out = json.dumps(result)
+
+        return code, out, err
+
+    VMScenario.run_action = closure
+
+    try:
+        yield
+    finally:
+        VMScenario.run_action = orig
+
+
+def run_rally(rally_args):
+    return cliutils.run(['rally'] + rally_args, categories)
+
+
+def prepare_files(testtool_py_args_v, dst_testtool_path, files_dir):
+
+    # we do need temporary named files
+    with warnings.catch_warnings():
+        warnings.simplefilter("ignore")
+        py_file = os.tmpnam()
+        yaml_file = os.tmpnam()
+
+    testtool_py_inp_path = os.path.join(files_dir, "io.py")
+    py_src_cont = open(testtool_py_inp_path).read()
+    args_repl_rr = r'INSERT_TOOL_ARGS\(sys\.argv.*?\)'
+    py_dst_cont = re.sub(args_repl_rr, repr(testtool_py_args_v), py_src_cont)
+
+    if py_dst_cont == args_repl_rr:
+        templ = "Can't find replace marker in file {0}"
+        msg = templ.format(testtool_py_inp_path)
+        log(msg)
+        raise ValueError(msg)
+
+    yaml_src_cont = open(os.path.join(files_dir, "io.yaml")).read()
+    task_params = yaml.load(yaml_src_cont)
+    rcd_params = task_params['VMTasks.boot_runcommand_delete']
+    rcd_params[0]['args']['script'] = py_file
+    yaml_dst_cont = yaml.dump(task_params)
+
+    open(py_file, "w").write(py_dst_cont)
+    open(yaml_file, "w").write(yaml_dst_cont)
+
+    return yaml_file, py_file
+
+
+def run_test(tool, testtool_py_args_v, dst_testtool_path, files_dir,
+             rally_extra_opts, max_preparation_time=300):
+
+    path = 'iozone' if 'iozone' == tool else 'fio'
+    testtool_local = os.path.join(files_dir, path)
+    yaml_file, py_file = prepare_files(testtool_py_args_v,
+                                       dst_testtool_path,
+                                       files_dir)
+    try:
+        config = yaml.load(open(yaml_file).read())
+
+        vm_sec = 'VMTasks.boot_runcommand_delete'
+        concurrency = config[vm_sec][0]['runner']['concurrency']
+        copy_files = {testtool_local: dst_testtool_path}
+
+        result_queue = multiprocessing.Queue()
+        results_cb = result_queue.put
+
+        do_patch = patch_VMScenario_run_command_over_ssh
+
+        barrier = get_barrier(concurrency)
+        max_release_time = time.time() + max_preparation_time
+
+        with do_patch(copy_files, results_cb, barrier, max_release_time):
+            opts = ['task', 'start', yaml_file] + list(rally_extra_opts)
+            log("Start rally with opts '{0}'".format(" ".join(opts)))
+            run_rally(opts)
+
+        rally_result = []
+        while not result_queue.empty():
+            rally_result.append(result_queue.get())
+
+        return rally_result
+
+    finally:
+        os.unlink(yaml_file)
+        os.unlink(py_file)
+
+
+def parse_args(argv):
+    parser = argparse.ArgumentParser(
+        description="Run rally disk io performance test")
+    parser.add_argument("tool_type", help="test tool type",
+                        choices=['iozone', 'fio'])
+    parser.add_argument("-l", dest='extra_logs',
+                        action='store_true', default=False,
+                        help="print some extra log info")
+    parser.add_argument("-o", "--io-opts", dest='io_opts',
+                        nargs="*", default=[],
+                        help="cmd line options for io.py")
+    parser.add_argument("-t", "--test-directory", help="directory with test",
+                        dest="test_directory", required=True)
+    parser.add_argument("rally_extra_opts", nargs="*",
+                        default=[], help="rally extra options")
+    parser.add_argument("--max-preparation-time", default=300,
+                        type=int, dest="max_preparation_time")
+
+    return parser.parse_args(argv)
+
+
+def main(argv):
+    opts = parse_args(argv)
+    dst_testtool_path = '/tmp/io_tool'
+
+    if not opts.extra_logs:
+        global log
+
+        def nolog(x):
+            pass
+
+        log = nolog
+
+    if opts.io_opts == []:
+        testtool_py_args_v = []
+
+        block_sizes = ["4k", "64k"]
+        ops = ['randwrite']
+        iodepths = ['8']
+        syncs = [True]
+
+        for block_size in block_sizes:
+            for op in ops:
+                for iodepth in iodepths:
+                    for sync in syncs:
+                        tt_argv = ['--type', opts.tool_type,
+                                   '-a', op,
+                                   '--iodepth', iodepth,
+                                   '--blocksize', block_size,
+                                   '--iosize', '20M']
+                        if sync:
+                            tt_argv.append('-s')
+            testtool_py_args_v.append(tt_argv)
+    else:
+        testtool_py_args_v = [o.split(" ") for o in opts.io_opts]
+
+    for io_argv_list in testtool_py_args_v:
+        io_argv_list.extend(['--binary-path', dst_testtool_path])
+
+    res = run_test(opts.tool_type,
+                   testtool_py_args_v,
+                   dst_testtool_path,
+                   files_dir=opts.test_directory,
+                   rally_extra_opts=opts.rally_extra_opts,
+                   max_preparation_time=opts.max_preparation_time)
+
+    print "Results = ",
+    pprint.pprint(res)
+
+    return 0
+
+# ubuntu cloud image
+# https://cloud-images.ubuntu.com/trusty/current/trusty-server-cloudimg-amd64-disk1.img
+
+# glance image-create --name 'ubuntu' --disk-format qcow2
+# --container-format bare --is-public true --copy-from
+# https://cloud-images.ubuntu.com/trusty/current/trusty-server-cloudimg-amd64-disk1.img
+
+if __name__ == '__main__':
+    exit(main(sys.argv[1:]))