[PATCH v2 0/9] Add a tool for using the new sysfs files

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From: Anna Schumaker <Anna.Schumaker@xxxxxxxxxx>

These patches implement a tool that can be used to read and write the
sysfs files, with subcommands! They do need my extra patches to add in
srcaddr and dst_port to the xprt_info file. Let me know if I need to
resend adding support for kernels both with and without these patches.

The following subcommands are implemented:
	nfs-sysfs.py rpc-client
 	nfs-sysfs.py xprt
 	nfs-sysfs.py xprt set
 	nfs-sysfs.py xprt-switch
 	nfs-sysfs.py xprt-switch set

So you can print out information about every xprt-switch with:
	anna@client ~ % nfs-sysfs xprt-switch
	switch 0: num_xprts 1, num_active 1, queue_len 0
		xprt 0: local, /var/run/gssproxy.sock [main]
	switch 1: num_xprts 1, num_active 1, queue_len 0
		xprt 1: local, /var/run/rpcbind.sock [main]
	switch 2: num_xprts 1, num_active 1, queue_len 0
		xprt 2: tcp, 192.168.111.1 [main]
	switch 3: num_xprts 4, num_active 4, queue_len 0
		xprt 3: tcp, 192.168.111.188 [main]
		xprt 4: tcp, 192.168.111.188
		xprt 5: tcp, 192.168.111.188
		xprt 6: tcp, 192.168.111.188

And information about each xprt:
	anna@client ~ % nfs-sysfs xprt       
	xprt 0: local, /var/run/gssproxy.sock, port 0, state <MAIN,CONNECTED,BOUND>
		Source: (einval), port 0, Requests: 2
		Congestion: cur 0, win 256, Slots: min 2, max 65536
		Queues: binding 0, sending 0, pending 0, backlog 0, tasks 0
	xprt 1: local, /var/run/rpcbind.sock, port 0, state <MAIN,CONNECTED,BOUND>
		Source: (einval), port 0, Requests: 2
		Congestion: cur 0, win 256, Slots: min 2, max 65536
		Queues: binding 0, sending 0, pending 0, backlog 0, tasks 0
	xprt 2: tcp, 192.168.111.1, port 2049, state <MAIN,CONNECTED,BOUND>
		Source: 192.168.111.222, port 959, Requests: 2
		Congestion: cur 0, win 256, Slots: min 2, max 65536
		Queues: binding 0, sending 0, pending 0, backlog 0, tasks 0
	xprt 3: tcp, 192.168.111.188, port 2049, state <MAIN,CONNECTED,BOUND>
		Source: 192.168.111.222, port 921, Requests: 2
		Congestion: cur 0, win 256, Slots: min 2, max 65536
		Queues: binding 0, sending 0, pending 0, backlog 0, tasks 0
	xprt 4: tcp, 192.168.111.188, port 2049, state <CONNECTED,BOUND>
		Source: 192.168.111.222, port 726, Requests: 2
		Congestion: cur 0, win 256, Slots: min 2, max 65536
		Queues: binding 0, sending 0, pending 0, backlog 0, tasks 0
	xprt 5: tcp, 192.168.111.188, port 2049, state <CONNECTED,BOUND>
		Source: 192.168.111.222, port 671, Requests: 2
		Congestion: cur 0, win 256, Slots: min 2, max 65536
		Queues: binding 0, sending 0, pending 0, backlog 0, tasks 0
	xprt 6: tcp, 192.168.111.188, port 2049, state <CONNECTED,BOUND>
		Source: 192.168.111.222, port 934, Requests: 2
		Congestion: cur 0, win 256, Slots: min 2, max 65536
		Queues: binding 0, sending 0, pending 0, backlog 0, tasks 0

You can use the `set` subcommand to change the dstaddr of individual xprts:
	anna@client ~ % sudo nfs-sysfs xprt --id 4 
	xprt 4: tcp, 192.168.111.188, port 2049, state <CONNECTED,BOUND>
		Source: 192.168.111.222, port 726, Requests: 2
		Congestion: cur 0, win 256, Slots: min 2, max 65536
		Queues: binding 0, sending 0, pending 0, backlog 0, tasks 0
	anna@client ~ % sudo nfs-sysfs xprt set --id 4 --dstaddr server2.nowheycreamery.com
	xprt 4: tcp, 192.168.111.186, port 2049, state <CONNECTED,BOUND>
		Source: 192.168.111.222, port 726, Requests: 2
		Congestion: cur 0, win 256, Slots: min 2, max 65536
		Queues: binding 0, sending 0, pending 0, backlog 0, tasks 0

Or for changing the dstaddr of all xprts attached to a switch:
	anna@client % ./nfs-sysfs.py xprt-switch --id 3
	switch 3: num_xprts 4, num_active 4, queue_len 0
		xprt 3: tcp, 192.168.111.188 [main]
		xprt 4: tcp, 192.168.111.188
		xprt 5: tcp, 192.168.111.188
		xprt 6: tcp, 192.168.111.188
	anna@client % sudo ./nfs-sysfs.py xprt-switch set --id 4 --dstaddr server2.nowheycreamery.vm
	switch 3: num_xprts 4, num_active 4, queue_len 0
		xprt 2: tcp, 192.168.111.186 [main]
		xprt 3: tcp, 192.168.111.186
		xprt 5: tcp, 192.168.111.186
		xprt 6: tcp, 192.168.111.186


What does everybody think? Is there any thing I should change about the
user input or output lines? How about other subcommands that should be
added with the initial submission?

Thanks,
Anna


Anna Schumaker (9):
  nfs-sysfs: Add an nfs-sysfs.py tool
  nfs-sysfs.py: Add a command for printing xprt switch information
  nfs-sysfs.py: Add a command for printing individual xprts
  nfs-sysfs.py: Add a command for printing rpc-client information
  nfs-sysfs.py: Add a command for changing xprt dstaddr
  nfs-sysfs.py: Add a command for changing xprt-switch dstaddrs
  nfs-sysfs.py: Add a command for changing xprt state
  nfs-sysfs: Add a man page
  nfs-sysfs: Add installation to the Makefile

 .gitignore                    |   2 +
 configure.ac                  |   1 +
 tools/Makefile.am             |   2 +-
 tools/nfs-sysfs/Makefile.am   |  20 +++++++
 tools/nfs-sysfs/client.py     |  27 +++++++++
 tools/nfs-sysfs/nfs-sysfs     |   5 ++
 tools/nfs-sysfs/nfs-sysfs.man |  88 +++++++++++++++++++++++++++++
 tools/nfs-sysfs/nfs-sysfs.py  |  23 ++++++++
 tools/nfs-sysfs/switch.py     |  51 +++++++++++++++++
 tools/nfs-sysfs/sysfs.py      |  28 ++++++++++
 tools/nfs-sysfs/xprt.py       | 101 ++++++++++++++++++++++++++++++++++
 11 files changed, 347 insertions(+), 1 deletion(-)
 create mode 100644 tools/nfs-sysfs/Makefile.am
 create mode 100644 tools/nfs-sysfs/client.py
 create mode 100644 tools/nfs-sysfs/nfs-sysfs
 create mode 100644 tools/nfs-sysfs/nfs-sysfs.man
 create mode 100755 tools/nfs-sysfs/nfs-sysfs.py
 create mode 100644 tools/nfs-sysfs/switch.py
 create mode 100644 tools/nfs-sysfs/sysfs.py
 create mode 100644 tools/nfs-sysfs/xprt.py

-- 
2.32.0




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