Move all utils to common folder (#7303)

* move all utils to common folder

* add utils install in CMakeLists.txt

* revert plugin utils

* add log info: test

* add logging info: test

* test imports

* change imports: test

* fix file name

tests/utils/proc_utils.py

@@ -0,0 +1,46 @@
+#!/usr/bin/env python3
+
+# Copyright (C) 2018-2021 Intel Corporation
+# SPDX-License-Identifier: Apache-2.0
+
+""" Common utilities for working with processes.
+"""
+
+import logging
+import subprocess
+
+
+def cmd_exec(args, env=None, log=None, verbose=True, shell=False):
+    """ Run cmd using subprocess with logging and other improvements
+    """
+    if log is None:
+        log = logging.getLogger()
+    log_out = log.info if verbose else log.debug
+
+    log_out(  # pylint: disable=logging-fstring-interpolation
+        f'========== cmd: {" ".join(args)}'
+    )
+
+    proc = subprocess.Popen(
+        args,
+        env=env,
+        stdout=subprocess.PIPE,
+        stderr=subprocess.STDOUT,
+        encoding="utf-8",
+        universal_newlines=True,
+        shell=shell,
+    )
+    output = []
+    for line in iter(proc.stdout.readline, ""):
+        log_out(line.strip("\n"))
+        output.append(line)
+        if line or proc.poll() is None:
+            continue
+        break
+    outs = proc.communicate()[0]
+
+    if outs:
+        log_out(outs.strip("\n"))
+        output.append(outs)
+    log_out("========== Completed. Exit code: %d", proc.returncode)
+    return proc.returncode, "".join(output)