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#!/usr/bin/env python3
# Not for use in production. Please see the changelog for v19.10.
from rpc.client import print_dict, JSONRPCException
import logging
import argparse
import rpc
import sys
import shlex
try:
from shlex import quote
except ImportError:
from pipes import quote
if __name__ == "__main__":
parser = argparse.ArgumentParser(
description='NVMe-oF RPC command line interface. NOTE: spdk/scripts/ is expected in PYTHONPATH')
parser.add_argument('-s', dest='server_addr',
help='RPC domain socket path or IP address', default='/var/tmp/spdk.sock')
parser.add_argument('-p', dest='port',
help='RPC port number (if server_addr is IP address)',
default=5260, type=int)
parser.add_argument('-t', dest='timeout',
help='Timeout as a floating point number expressed in seconds waiting for response. Default: 60.0',
default=60.0, type=float)
parser.add_argument('-v', dest='verbose', action='store_const', const="INFO",
help='Set verbose mode to INFO', default="ERROR")
parser.add_argument('--verbose', dest='verbose', choices=['DEBUG', 'INFO', 'ERROR'],
help="""Set verbose level. """)
subparsers = parser.add_subparsers(help='RPC methods')
def nvmf_create_target(args):
print_dict(rpc.nvmf.nvmf_create_target(args.client,
name=args.name,
max_subsystems=args.max_subsystems))
p = subparsers.add_parser('nvmf_create_target', help='Create a new NVMe-oF target')
p.add_argument('-n', '--name', help='Target name (unique to application)', type=str, required=True)
p.add_argument('-s', '--max-subsystems', help='Max number of NVMf subsystems defaults to SPDK_NVMF_DEFAULT_MAX_SUBSYSTEMS',
type=int, required=False)
p.set_defaults(func=nvmf_create_target)
def nvmf_delete_target(args):
print_dict(rpc.nvmf.nvmf_delete_target(args.client,
name=args.name))
p = subparsers.add_parser('nvmf_delete_target', help='Destroy the given NVMe-oF Target')
p.add_argument('-n', '--name', help='Target name (unique to application)', type=str, required=True)
p.set_defaults(func=nvmf_delete_target)
def nvmf_get_targets(args):
print_dict(rpc.nvmf.nvmf_get_targets(args.client))
p = subparsers.add_parser('nvmf_get_targets', help='Get the list of NVMe-oF Targets')
p.set_defaults(func=nvmf_get_targets)
def call_rpc_func(args):
try:
args.func(args)
except JSONRPCException as ex:
print(ex.message)
exit(1)
def execute_script(parser, client, fd):
for rpc_call in map(str.rstrip, fd):
if not rpc_call.strip():
continue
args = parser.parse_args(shlex.split(rpc_call))
args.client = client
call_rpc_func(args)
args = parser.parse_args()
args.client = rpc.client.JSONRPCClient(args.server_addr, args.port, args.timeout, log_level=getattr(logging, args.verbose.upper()))
if hasattr(args, 'func'):
call_rpc_func(args)
elif sys.stdin.isatty():
# No arguments and no data piped through stdin
parser.print_help()
exit(1)
else:
execute_script(parser, args.client, sys.stdin)
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