On Thu, Jan 27, 2022 at 2:50 PM <schumaker.anna@xxxxxxxxx> wrote:
>
> From: Anna Schumaker <Anna.Schumaker@xxxxxxxxxx>
>
> 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@xxxxxxxxxx>
> --
> v7: Check entire line for "sysfs" instead of just the start of the line
> ---
> tools/rpcctl/rpcctl.py | 25 +++++++++++++++++++++++++
> 1 file changed, 25 insertions(+)
> create mode 100755 tools/rpcctl/rpcctl.py
>
> diff --git a/tools/rpcctl/rpcctl.py b/tools/rpcctl/rpcctl.py
> new file mode 100755
> index 000000000000..9737ac4a9740
> --- /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)
> --
> 2.35.0
>
Might want to rework some of the directory related code to ensure you
handle disappearing entries. Got Tracebacks (see below) while running
a series of tests that would:
- mount
- run some IO
- umount
[root@dwysocha-fedora-node1 nfs-utils]# while true; do
./tools/rpcctl/rpcctl.py xprt; done | grep -B 5 -A 5 Traceback
Traceback (most recent call last):
File "/mnt/build/nfs-utils/./tools/rpcctl/rpcctl.py", line 230, in <module>
args.func(args)
File "/mnt/build/nfs-utils/./tools/rpcctl/rpcctl.py", line 112, in list_all
xprts = [ Xprt(f) for f in (sunrpc / "xprt-switches").glob("**/xprt-*") ]
File "/mnt/build/nfs-utils/./tools/rpcctl/rpcctl.py", line 112, in <listcomp>
xprts = [ Xprt(f) for f in (sunrpc / "xprt-switches").glob("**/xprt-*") ]
File "/usr/lib64/python3.10/pathlib.py", line 1032, in glob
for p in selector.select_from(self):
File "/usr/lib64/python3.10/pathlib.py", line 492, in _select_from
for starting_point in self._iterate_directories(parent_path,
is_dir, scandir):
File "/usr/lib64/python3.10/pathlib.py", line 482, in _iterate_directories
for p in self._iterate_directories(path, is_dir, scandir):
File "/usr/lib64/python3.10/pathlib.py", line 471, in _iterate_directories
with scandir(parent_path) as scandir_it:
FileNotFoundError: [Errno 2] No such file or directory:
'/sys/kernel/sunrpc/xprt-switches/switch-4'
Traceback (most recent call last):
File "/mnt/build/nfs-utils/./tools/rpcctl/rpcctl.py", line 230, in <module>
args.func(args)
File "/mnt/build/nfs-utils/./tools/rpcctl/rpcctl.py", line 112, in list_all
xprts = [ Xprt(f) for f in (sunrpc / "xprt-switches").glob("**/xprt-*") ]
File "/mnt/build/nfs-utils/./tools/rpcctl/rpcctl.py", line 112, in <listcomp>
xprts = [ Xprt(f) for f in (sunrpc / "xprt-switches").glob("**/xprt-*") ]
File "/usr/lib64/python3.10/pathlib.py", line 1032, in glob
for p in selector.select_from(self):
File "/usr/lib64/python3.10/pathlib.py", line 492, in _select_from
for starting_point in self._iterate_directories(parent_path,
is_dir, scandir):
File "/usr/lib64/python3.10/pathlib.py", line 482, in _iterate_directories
for p in self._iterate_directories(path, is_dir, scandir):
File "/usr/lib64/python3.10/pathlib.py", line 471, in _iterate_directories
with scandir(parent_path) as scandir_it:
FileNotFoundError: [Errno 2] No such file or directory:
'/sys/kernel/sunrpc/xprt-switches/switch-2'
[root@dwysocha-fedora-node1 nfs-utils]# while true; do
./tools/rpcctl/rpcctl.py client; done | grep -B 10 -A 10 Traceback
Traceback (most recent call last):
File "/mnt/build/nfs-utils/./tools/rpcctl/rpcctl.py", line 230, in <module>
args.func(args)
File "/mnt/build/nfs-utils/./tools/rpcctl/rpcctl.py", line 209, in list_all
clients = [ RpcClient(f) for f in (sunrpc / "rpc-clients").iterdir() ]
File "/mnt/build/nfs-utils/./tools/rpcctl/rpcctl.py", line 209, in <listcomp>
clients = [ RpcClient(f) for f in (sunrpc / "rpc-clients").iterdir() ]
File "/mnt/build/nfs-utils/./tools/rpcctl/rpcctl.py", line 195, in __init__
self.switch = XprtSwitch(path / (path / "switch").readlink(), sep=",")
File "/usr/lib64/python3.10/pathlib.py", line 1159, in readlink
path = self._accessor.readlink(self)
FileNotFoundError: [Errno 2] No such file or directory:
'/sys/kernel/sunrpc/rpc-clients/clnt-3/switch'
Traceback (most recent call last):
File "/mnt/build/nfs-utils/./tools/rpcctl/rpcctl.py", line 230, in <module>
args.func(args)
File "/mnt/build/nfs-utils/./tools/rpcctl/rpcctl.py", line 209, in list_all
clients = [ RpcClient(f) for f in (sunrpc / "rpc-clients").iterdir() ]
File "/mnt/build/nfs-utils/./tools/rpcctl/rpcctl.py", line 209, in <listcomp>
clients = [ RpcClient(f) for f in (sunrpc / "rpc-clients").iterdir() ]
File "/mnt/build/nfs-utils/./tools/rpcctl/rpcctl.py", line 195, in __init__
self.switch = XprtSwitch(path / (path / "switch").readlink(), sep=",")
File "/usr/lib64/python3.10/pathlib.py", line 1159, in readlink
path = self._accessor.readlink(self)
FileNotFoundError: [Errno 2] No such file or directory:
'/sys/kernel/sunrpc/rpc-clients/clnt-7/switch'
Traceback (most recent call last):
File "/mnt/build/nfs-utils/./tools/rpcctl/rpcctl.py", line 230, in <module>
args.func(args)
File "/mnt/build/nfs-utils/./tools/rpcctl/rpcctl.py", line 209, in list_all
clients = [ RpcClient(f) for f in (sunrpc / "rpc-clients").iterdir() ]
File "/mnt/build/nfs-utils/./tools/rpcctl/rpcctl.py", line 209, in <listcomp>
clients = [ RpcClient(f) for f in (sunrpc / "rpc-clients").iterdir() ]
File "/mnt/build/nfs-utils/./tools/rpcctl/rpcctl.py", line 195, in __init__
self.switch = XprtSwitch(path / (path / "switch").readlink(), sep=",")
File "/mnt/build/nfs-utils/./tools/rpcctl/rpcctl.py", line 148, in __init__
self.xprts = [ Xprt(p) for p in self.path.iterdir() if p.is_dir() ]
File "/mnt/build/nfs-utils/./tools/rpcctl/rpcctl.py", line 148, in <listcomp>
self.xprts = [ Xprt(p) for p in self.path.iterdir() if p.is_dir() ]
File "/mnt/build/nfs-utils/./tools/rpcctl/rpcctl.py", line 49, in __init__
self.read_state()
File "/mnt/build/nfs-utils/./tools/rpcctl/rpcctl.py", line 81, in read_state
self.state = ','.join(f.readline().split()[1:])
OSError: [Errno 19] No such device
Traceback (most recent call last):
File "/mnt/build/nfs-utils/./tools/rpcctl/rpcctl.py", line 230, in <module>
args.func(args)
File "/mnt/build/nfs-utils/./tools/rpcctl/rpcctl.py", line 209, in list_all
clients = [ RpcClient(f) for f in (sunrpc / "rpc-clients").iterdir() ]
File "/mnt/build/nfs-utils/./tools/rpcctl/rpcctl.py", line 209, in <listcomp>
clients = [ RpcClient(f) for f in (sunrpc / "rpc-clients").iterdir() ]
File "/mnt/build/nfs-utils/./tools/rpcctl/rpcctl.py", line 195, in __init__
self.switch = XprtSwitch(path / (path / "switch").readlink(), sep=",")
File "/mnt/build/nfs-utils/./tools/rpcctl/rpcctl.py", line 148, in __init__
self.xprts = [ Xprt(p) for p in self.path.iterdir() if p.is_dir() ]
File "/mnt/build/nfs-utils/./tools/rpcctl/rpcctl.py", line 148, in <listcomp>
self.xprts = [ Xprt(p) for p in self.path.iterdir() if p.is_dir() ]
File "/usr/lib64/python3.10/pathlib.py", line 1015, in iterdir
for name in self._accessor.listdir(self):
FileNotFoundError: [Errno 2] No such file or directory:
'/sys/kernel/sunrpc/rpc-clients/clnt-9/../../xprt-switches/switch-2'
Traceback (most recent call last):
File "/mnt/build/nfs-utils/./tools/rpcctl/rpcctl.py", line 230, in <module>
args.func(args)
File "/mnt/build/nfs-utils/./tools/rpcctl/rpcctl.py", line 209, in list_all
clients = [ RpcClient(f) for f in (sunrpc / "rpc-clients").iterdir() ]
File "/mnt/build/nfs-utils/./tools/rpcctl/rpcctl.py", line 209, in <listcomp>
clients = [ RpcClient(f) for f in (sunrpc / "rpc-clients").iterdir() ]
File "/mnt/build/nfs-utils/./tools/rpcctl/rpcctl.py", line 195, in __init__
self.switch = XprtSwitch(path / (path / "switch").readlink(), sep=",")
File "/usr/lib64/python3.10/pathlib.py", line 1159, in readlink
path = self._accessor.readlink(self)
FileNotFoundError: [Errno 2] No such file or directory:
'/sys/kernel/sunrpc/rpc-clients/clnt-5/switch'
^C
