800a142332
Currently load_subsystem_config RPC is supported but save_subsystem_config is not supported yet. get_subsystem_config is available now but it is not symmetric to load_subsystem_config. Change-Id: I5e3cfee3f436768d774a9f0560abcf428faacfb3 Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com> Reviewed-on: https://review.gerrithub.io/415378 Tested-by: SPDK Automated Test System <sys_sgsw@intel.com> Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com> Reviewed-by: Ben Walker <benjamin.walker@intel.com>
148 lines
4.0 KiB
Python
Executable File
148 lines
4.0 KiB
Python
Executable File
import json
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import sys
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from . import app
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from . import bdev
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from . import ioat
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from . import iscsi
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from . import log
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from . import lvol
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from . import nbd
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from . import net
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from . import nvmf
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from . import pmem
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from . import subsystem
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from . import vhost
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from . import client as rpc_client
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def start_subsystem_init(client):
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return client.call('start_subsystem_init')
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def get_rpc_methods(client, args):
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params = {}
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if args.current:
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params['current'] = args.current
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return client.call('get_rpc_methods', params)
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def _json_dump(config, filename, indent):
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if filename is None:
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if indent is None:
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indent = 2
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elif indent < 0:
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indent = None
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json.dump(config, sys.stdout, indent=indent)
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sys.stdout.write('\n')
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else:
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if indent is None or indent < 0:
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indent = None
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with open(filename, 'w') as file:
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json.dump(config, file, indent=indent)
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file.write('\n')
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def _json_load(filename):
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if not filename or filename == '-':
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return json.load(sys.stdin)
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else:
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with open(filename, 'r') as file:
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return json.load(file)
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def save_config(client, args):
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config = {
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'subsystems': []
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}
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for elem in client.call('get_subsystems'):
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cfg = {
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'subsystem': elem['subsystem'],
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'config': client.call('get_subsystem_config', {"name": elem['subsystem']})
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}
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config['subsystems'].append(cfg)
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_json_dump(config, args.filename, args.indent)
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def load_config(client, args):
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json_config = _json_load(args.filename)
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# remove subsystems with no config
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subsystems = json_config['subsystems']
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for subsystem in list(subsystems):
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if not subsystem['config']:
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subsystems.remove(subsystem)
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# check if methods in the config file are known
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allowed_methods = client.call('get_rpc_methods')
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for subsystem in list(subsystems):
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config = subsystem['config']
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for elem in list(config):
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if 'method' not in elem or elem['method'] not in allowed_methods:
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raise rpc_client.JSONRPCException("Unknown method was included in the config file")
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while subsystems:
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allowed_methods = client.call('get_rpc_methods', {'current': True})
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allowed_found = False
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for subsystem in list(subsystems):
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config = subsystem['config']
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for elem in list(config):
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if 'method' not in elem or elem['method'] not in allowed_methods:
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continue
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client.call(elem['method'], elem['params'])
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config.remove(elem)
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allowed_found = True
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if not config:
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subsystems.remove(subsystem)
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if 'start_subsystem_init' in allowed_methods:
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client.call('start_subsystem_init')
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allowed_found = True
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if not allowed_found:
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break
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if subsystems:
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print("Some configs were skipped because the RPC state that can call them passed over.")
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def save_subsystem_config(client, args):
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cfg = {
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'subsystem': args.name,
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'config': client.call('get_subsystem_config', {"name": args.name})
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}
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_json_dump(cfg, args.filename, args.indent)
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def load_subsystem_config(client, args):
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subsystem = _json_load(args.filename)
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if not subsystem['config']:
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return
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allowed_methods = client.call('get_rpc_methods')
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config = subsystem['config']
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for elem in list(config):
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if 'method' not in elem or elem['method'] not in allowed_methods:
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raise rpc_client.JSONRPCException("Unknown method was included in the config file")
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allowed_methods = client.call('get_rpc_methods', {'current': True})
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for elem in list(config):
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if 'method' not in elem or elem['method'] not in allowed_methods:
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continue
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client.call(elem['method'], elem['params'])
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config.remove(elem)
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if config:
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print("Some configs were skipped because they cannot be called in the current RPC state.")
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