[CNS-944] Add test with arbiter volume creation

Change-Id: I257f3e6a7389c9f15a4388c241e787782c186d14

1 files changed, 20 insertions, 0 deletions

diff --git a/cns-libs/cnslibs/common/command.py b/cns-libs/cnslibs/common/command.py
new file mode 100644
index 00000000..e2c41545
--- /dev/null
+++ b/cns-libs/cnslibs/common/command.py
@@ -0,0 +1,20 @@
+from glusto.core import Glusto as g
+
+
+def cmd_run(cmd, hostname, raise_on_error=True):
+    """Glusto's command runner wrapper.
+
+    Args:
+        cmd (str): Shell command to run on the specified hostname.
+        hostname (str): hostname where Glusto should run specified command.
+        raise_on_error (bool): defines whether we should raise exception
+                               in case command execution failed.
+    Returns:
+        str: Stripped shell command's stdout value.
+    """
+    ret, out, err = g.run(hostname, cmd, "root")
+    if raise_on_error:
+        msg = ("Failed to execute command '%s' on '%s' node. Got non-zero "
+               "return code '%s'. Err: %s" % (cmd, hostname, ret, err))
+        assert int(ret) == 0, msg
+    return out.strip()