rpcctl: Add a rpcctl.py tool

This will be used to print and manipulate the sunrpc sysfs directory
files. Running without arguments prints both usage information and the
location of the sunrpc sysfs directory.

Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Steve Dickson <steved@redhat.com>

1 files changed, 25 insertions, 0 deletions

diff --git a/tools/rpcctl/rpcctl.py b/tools/rpcctl/rpcctl.py
new file mode 100755
index 0000000..9737ac4
--- /dev/null
+++ b/tools/rpcctl/rpcctl.py
@@ -0,0 +1,25 @@
+#!/usr/bin/python3
+import argparse
+import pathlib
+import sys
+
+with open("/proc/mounts", 'r') as f:
+    mount = [ line.split()[1] for line in f if "sysfs" in line ]
+    if len(mount) == 0:
+        print("ERROR: sysfs is not mounted")
+        sys.exit(1)
+
+sunrpc = pathlib.Path(mount[0]) / "kernel" / "sunrpc"
+if not sunrpc.is_dir():
+    print("ERROR: sysfs does not have sunrpc directory")
+    sys.exit(1)
+
+parser = argparse.ArgumentParser()
+
+def show_small_help(args):
+    parser.print_usage()
+    print("sunrpc dir:", sunrpc)
+parser.set_defaults(func=show_small_help)
+
+args = parser.parse_args()
+args.func(args)