root / lib / rpc.py @ 15396f60
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# Copyright (C) 2006, 2007 Google Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301, USA.
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"""Script to show add a new node to the cluster
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"""
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# pylint: disable-msg=C0103,R0201,R0904
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# C0103: Invalid name, since call_ are not valid
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# R0201: Method could be a function, we keep all rpcs instance methods
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# as not to change them back and forth between static/instance methods
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# if they need to start using instance attributes
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# R0904: Too many public methods
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import os |
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import socket |
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import httplib |
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import simplejson |
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from ganeti import logger |
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from ganeti import utils |
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from ganeti import objects |
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class NodeController: |
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"""Node-handling class.
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For each node that we speak with, we create an instance of this
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class, so that we have a safe place to store the details of this
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individual call.
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"""
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def __init__(self, parent, node): |
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self.parent = parent
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self.node = node
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self.failed = False |
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self.http_conn = hc = httplib.HTTPConnection(node, self.parent.port) |
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try:
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hc.connect() |
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hc.putrequest('PUT', "/%s" % self.parent.procedure, |
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skip_accept_encoding=True)
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hc.putheader('Content-Length', str(len(parent.body))) |
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hc.endheaders() |
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hc.send(parent.body) |
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except socket.error, err:
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logger.Error("Error connecting to %s: %s" % (node, str(err))) |
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self.failed = True |
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def get_response(self): |
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"""Try to process the response from the node.
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"""
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if self.failed: |
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# we already failed in connect
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return False |
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resp = self.http_conn.getresponse()
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if resp.status != 200: |
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return False |
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try:
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length = int(resp.getheader('Content-Length', '0')) |
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except ValueError: |
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return False |
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if not length: |
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logger.Error("Zero-length reply from %s" % self.node) |
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return False |
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payload = resp.read(length) |
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unload = simplejson.loads(payload) |
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return unload
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class Client: |
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"""RPC Client class.
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This class, given a (remote) method name, a list of parameters and a
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list of nodes, will contact (in parallel) all nodes, and return a
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dict of results (key: node name, value: result).
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One current bug is that generic failure is still signalled by
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'False' result, which is not good. This overloading of values can
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cause bugs.
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"""
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result_set = False
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result = False
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allresult = [] |
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def __init__(self, procedure, args): |
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self.port = utils.GetNodeDaemonPort()
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self.nodepw = utils.GetNodeDaemonPassword()
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self.nc = {}
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self.results = {}
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self.procedure = procedure
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self.args = args
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self.body = simplejson.dumps(args)
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#--- generic connector -------------
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def connect_list(self, node_list): |
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"""Add a list of nodes to the target nodes.
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"""
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for node in node_list: |
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self.connect(node)
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def connect(self, connect_node): |
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"""Add a node to the target list.
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"""
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self.nc[connect_node] = nc = NodeController(self, connect_node) |
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def getresult(self): |
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"""Return the results of the call.
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"""
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return self.results |
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def run(self): |
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"""Wrapper over reactor.run().
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This function simply calls reactor.run() if we have any requests
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queued, otherwise it does nothing.
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"""
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for node, nc in self.nc.items(): |
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self.results[node] = nc.get_response()
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class RpcRunner(object): |
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"""RPC runner class"""
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def __init__(self, cfg): |
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"""Initialized the rpc runner.
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@type cfg: C{config.ConfigWriter}
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@param cfg: the configuration object that will be used to get data
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about the cluster
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"""
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self._cfg = cfg
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def call_volume_list(self, node_list, vg_name): |
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"""Gets the logical volumes present in a given volume group.
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This is a multi-node call.
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"""
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c = Client("volume_list", [vg_name])
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c.connect_list(node_list) |
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c.run() |
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return c.getresult()
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def call_vg_list(self, node_list): |
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"""Gets the volume group list.
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This is a multi-node call.
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"""
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c = Client("vg_list", [])
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c.connect_list(node_list) |
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c.run() |
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return c.getresult()
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def call_bridges_exist(self, node, bridges_list): |
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"""Checks if a node has all the bridges given.
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This method checks if all bridges given in the bridges_list are
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present on the remote node, so that an instance that uses interfaces
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on those bridges can be started.
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This is a single-node call.
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"""
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c = Client("bridges_exist", [bridges_list])
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c.connect(node) |
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c.run() |
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return c.getresult().get(node, False) |
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def call_instance_start(self, node, instance, extra_args): |
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"""Starts an instance.
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This is a single-node call.
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"""
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c = Client("instance_start", [instance.ToDict(), extra_args])
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c.connect(node) |
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c.run() |
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return c.getresult().get(node, False) |
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def call_instance_shutdown(self, node, instance): |
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"""Stops an instance.
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This is a single-node call.
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"""
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c = Client("instance_shutdown", [instance.ToDict()])
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c.connect(node) |
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c.run() |
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return c.getresult().get(node, False) |
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def call_instance_migrate(self, node, instance, target, live): |
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"""Migrate an instance.
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This is a single-node call.
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@type node: string
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@param node: the node on which the instance is currently running
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@type instance: C{objects.Instance}
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@param instance: the instance definition
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@type target: string
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@param target: the target node name
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@type live: boolean
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@param live: whether the migration should be done live or not (the
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interpretation of this parameter is left to the hypervisor)
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"""
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c = Client("instance_migrate", [instance.ToDict(), target, live])
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c.connect(node) |
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c.run() |
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return c.getresult().get(node, False) |
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def call_instance_reboot(self, node, instance, reboot_type, extra_args): |
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"""Reboots an instance.
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This is a single-node call.
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"""
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c = Client("instance_reboot", [instance.ToDict(), reboot_type, extra_args])
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c.connect(node) |
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c.run() |
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return c.getresult().get(node, False) |
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def call_instance_os_add(self, node, inst, osdev, swapdev): |
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"""Installs an OS on the given instance.
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This is a single-node call.
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"""
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params = [inst.ToDict(), osdev, swapdev] |
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c = Client("instance_os_add", params)
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c.connect(node) |
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c.run() |
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return c.getresult().get(node, False) |
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def call_instance_run_rename(self, node, inst, old_name, osdev, swapdev): |
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"""Run the OS rename script for an instance.
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This is a single-node call.
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"""
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params = [inst.ToDict(), old_name, osdev, swapdev] |
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c = Client("instance_run_rename", params)
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c.connect(node) |
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c.run() |
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return c.getresult().get(node, False) |
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def call_instance_info(self, node, instance, hname): |
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"""Returns information about a single instance.
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This is a single-node call.
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@type node_list: list
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@param node_list: the list of nodes to query
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@type instance: string
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@param instance: the instance name
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@type hname: string
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@param hname: the hypervisor type of the instance
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"""
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c = Client("instance_info", [instance])
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c.connect(node) |
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c.run() |
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return c.getresult().get(node, False) |
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def call_all_instances_info(self, node_list, hypervisor_list): |
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"""Returns information about all instances on the given nodes.
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This is a multi-node call.
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@type node_list: list
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@param node_list: the list of nodes to query
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@type hypervisor_list: list
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@param hypervisor_list: the hypervisors to query for instances
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"""
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c = Client("all_instances_info", [hypervisor_list])
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c.connect_list(node_list) |
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c.run() |
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return c.getresult()
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def call_instance_list(self, node_list, hypervisor_list): |
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"""Returns the list of running instances on a given node.
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This is a multi-node call.
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@type node_list: list
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@param node_list: the list of nodes to query
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@type hypervisor_list: list
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@param hypervisor_list: the hypervisors to query for instances
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"""
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c = Client("instance_list", [hypervisor_list])
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c.connect_list(node_list) |
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c.run() |
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return c.getresult()
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def call_node_tcp_ping(self, node, source, target, port, timeout, |
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live_port_needed): |
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"""Do a TcpPing on the remote node
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This is a single-node call.
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"""
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c = Client("node_tcp_ping", [source, target, port, timeout,
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live_port_needed]) |
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c.connect(node) |
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c.run() |
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return c.getresult().get(node, False) |
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def call_node_info(self, node_list, vg_name, hypervisor_type): |
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"""Return node information.
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This will return memory information and volume group size and free
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space.
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This is a multi-node call.
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@type node_list: list
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@param node_list: the list of nodes to query
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@type vgname: C{string}
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@param vgname: the name of the volume group to ask for disk space
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information
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@type hypervisor_type: C{str}
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@param hypervisor_type: the name of the hypervisor to ask for
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memory information
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"""
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c = Client("node_info", [vg_name, hypervisor_type])
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c.connect_list(node_list) |
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c.run() |
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retux = c.getresult() |
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for node_name in retux: |
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ret = retux.get(node_name, False)
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if type(ret) != dict: |
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logger.Error("could not connect to node %s" % (node_name))
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ret = {} |
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utils.CheckDict(ret, |
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{ 'memory_total' : '-', |
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'memory_dom0' : '-', |
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'memory_free' : '-', |
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'vg_size' : 'node_unreachable', |
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'vg_free' : '-' }, |
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"call_node_info",
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) |
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return retux
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def call_node_add(self, node, dsa, dsapub, rsa, rsapub, ssh, sshpub): |
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"""Add a node to the cluster.
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This is a single-node call.
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"""
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params = [dsa, dsapub, rsa, rsapub, ssh, sshpub] |
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c = Client("node_add", params)
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c.connect(node) |
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c.run() |
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return c.getresult().get(node, False) |
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def call_node_verify(self, node_list, checkdict, cluster_name): |
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"""Request verification of given parameters.
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This is a multi-node call.
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"""
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c = Client("node_verify", [checkdict, cluster_name])
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c.connect_list(node_list) |
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c.run() |
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return c.getresult()
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@staticmethod
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def call_node_start_master(node, start_daemons): |
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"""Tells a node to activate itself as a master.
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This is a single-node call.
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"""
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c = Client("node_start_master", [start_daemons])
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c.connect(node) |
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c.run() |
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return c.getresult().get(node, False) |
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@staticmethod
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def call_node_stop_master(node, stop_daemons): |
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"""Tells a node to demote itself from master status.
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This is a single-node call.
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"""
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c = Client("node_stop_master", [stop_daemons])
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c.connect(node) |
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c.run() |
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return c.getresult().get(node, False) |
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@staticmethod
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def call_master_info(node_list): |
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"""Query master info.
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This is a multi-node call.
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"""
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# TODO: should this method query down nodes?
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c = Client("master_info", [])
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c.connect_list(node_list) |
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c.run() |
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return c.getresult()
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def call_version(self, node_list): |
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"""Query node version.
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This is a multi-node call.
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"""
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c = Client("version", [])
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c.connect_list(node_list) |
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c.run() |
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return c.getresult()
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def call_blockdev_create(self, node, bdev, size, owner, on_primary, info): |
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"""Request creation of a given block device.
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This is a single-node call.
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"""
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params = [bdev.ToDict(), size, owner, on_primary, info] |
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c = Client("blockdev_create", params)
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c.connect(node) |
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c.run() |
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return c.getresult().get(node, False) |
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def call_blockdev_remove(self, node, bdev): |
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"""Request removal of a given block device.
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482 |
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This is a single-node call.
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484 |
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"""
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c = Client("blockdev_remove", [bdev.ToDict()])
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c.connect(node) |
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c.run() |
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return c.getresult().get(node, False) |
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def call_blockdev_rename(self, node, devlist): |
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"""Request rename of the given block devices.
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This is a single-node call.
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"""
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params = [(d.ToDict(), uid) for d, uid in devlist] |
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c = Client("blockdev_rename", params)
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c.connect(node) |
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c.run() |
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return c.getresult().get(node, False) |
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def call_blockdev_assemble(self, node, disk, owner, on_primary): |
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"""Request assembling of a given block device.
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507 |
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This is a single-node call.
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"""
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params = [disk.ToDict(), owner, on_primary] |
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c = Client("blockdev_assemble", params)
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c.connect(node) |
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c.run() |
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return c.getresult().get(node, False) |
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def call_blockdev_shutdown(self, node, disk): |
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"""Request shutdown of a given block device.
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This is a single-node call.
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"""
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c = Client("blockdev_shutdown", [disk.ToDict()])
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c.connect(node) |
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c.run() |
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return c.getresult().get(node, False) |
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def call_blockdev_addchildren(self, node, bdev, ndevs): |
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"""Request adding a list of children to a (mirroring) device.
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This is a single-node call.
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"""
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params = [bdev.ToDict(), [disk.ToDict() for disk in ndevs]] |
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c = Client("blockdev_addchildren", params)
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c.connect(node) |
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c.run() |
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return c.getresult().get(node, False) |
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def call_blockdev_removechildren(self, node, bdev, ndevs): |
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"""Request removing a list of children from a (mirroring) device.
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This is a single-node call.
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547 |
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"""
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params = [bdev.ToDict(), [disk.ToDict() for disk in ndevs]] |
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c = Client("blockdev_removechildren", params)
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c.connect(node) |
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c.run() |
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return c.getresult().get(node, False) |
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def call_blockdev_getmirrorstatus(self, node, disks): |
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"""Request status of a (mirroring) device.
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This is a single-node call.
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"""
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params = [dsk.ToDict() for dsk in disks] |
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c = Client("blockdev_getmirrorstatus", params)
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c.connect(node) |
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c.run() |
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return c.getresult().get(node, False) |
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|
569 |
def call_blockdev_find(self, node, disk): |
570 |
"""Request identification of a given block device.
|
571 |
|
572 |
This is a single-node call.
|
573 |
|
574 |
"""
|
575 |
c = Client("blockdev_find", [disk.ToDict()])
|
576 |
c.connect(node) |
577 |
c.run() |
578 |
return c.getresult().get(node, False) |
579 |
|
580 |
|
581 |
def call_blockdev_close(self, node, disks): |
582 |
"""Closes the given block devices.
|
583 |
|
584 |
This is a single-node call.
|
585 |
|
586 |
"""
|
587 |
params = [cf.ToDict() for cf in disks] |
588 |
c = Client("blockdev_close", params)
|
589 |
c.connect(node) |
590 |
c.run() |
591 |
return c.getresult().get(node, False) |
592 |
|
593 |
|
594 |
@staticmethod
|
595 |
def call_upload_file(node_list, file_name): |
596 |
"""Upload a file.
|
597 |
|
598 |
The node will refuse the operation in case the file is not on the
|
599 |
approved file list.
|
600 |
|
601 |
This is a multi-node call.
|
602 |
|
603 |
"""
|
604 |
fh = file(file_name)
|
605 |
try:
|
606 |
data = fh.read() |
607 |
finally:
|
608 |
fh.close() |
609 |
st = os.stat(file_name) |
610 |
params = [file_name, data, st.st_mode, st.st_uid, st.st_gid, |
611 |
st.st_atime, st.st_mtime] |
612 |
c = Client("upload_file", params)
|
613 |
c.connect_list(node_list) |
614 |
c.run() |
615 |
return c.getresult()
|
616 |
|
617 |
@staticmethod
|
618 |
def call_upload_file(node_list, file_name): |
619 |
"""Upload a file.
|
620 |
|
621 |
The node will refuse the operation in case the file is not on the
|
622 |
approved file list.
|
623 |
|
624 |
This is a multi-node call.
|
625 |
|
626 |
"""
|
627 |
fh = file(file_name)
|
628 |
try:
|
629 |
data = fh.read() |
630 |
finally:
|
631 |
fh.close() |
632 |
st = os.stat(file_name) |
633 |
params = [file_name, data, st.st_mode, st.st_uid, st.st_gid, |
634 |
st.st_atime, st.st_mtime] |
635 |
c = Client("upload_file", params)
|
636 |
c.connect_list(node_list) |
637 |
c.run() |
638 |
return c.getresult()
|
639 |
|
640 |
def call_os_diagnose(self, node_list): |
641 |
"""Request a diagnose of OS definitions.
|
642 |
|
643 |
This is a multi-node call.
|
644 |
|
645 |
"""
|
646 |
c = Client("os_diagnose", [])
|
647 |
c.connect_list(node_list) |
648 |
c.run() |
649 |
result = c.getresult() |
650 |
new_result = {} |
651 |
for node_name in result: |
652 |
if result[node_name]:
|
653 |
nr = [objects.OS.FromDict(oss) for oss in result[node_name]] |
654 |
else:
|
655 |
nr = [] |
656 |
new_result[node_name] = nr |
657 |
return new_result
|
658 |
|
659 |
|
660 |
def call_os_get(self, node, name): |
661 |
"""Returns an OS definition.
|
662 |
|
663 |
This is a single-node call.
|
664 |
|
665 |
"""
|
666 |
c = Client("os_get", [name])
|
667 |
c.connect(node) |
668 |
c.run() |
669 |
result = c.getresult().get(node, False)
|
670 |
if isinstance(result, dict): |
671 |
return objects.OS.FromDict(result)
|
672 |
else:
|
673 |
return result
|
674 |
|
675 |
|
676 |
def call_hooks_runner(self, node_list, hpath, phase, env): |
677 |
"""Call the hooks runner.
|
678 |
|
679 |
Args:
|
680 |
- op: the OpCode instance
|
681 |
- env: a dictionary with the environment
|
682 |
|
683 |
This is a multi-node call.
|
684 |
|
685 |
"""
|
686 |
params = [hpath, phase, env] |
687 |
c = Client("hooks_runner", params)
|
688 |
c.connect_list(node_list) |
689 |
c.run() |
690 |
result = c.getresult() |
691 |
return result
|
692 |
|
693 |
|
694 |
def call_iallocator_runner(self, node, name, idata): |
695 |
"""Call an iallocator on a remote node
|
696 |
|
697 |
Args:
|
698 |
- name: the iallocator name
|
699 |
- input: the json-encoded input string
|
700 |
|
701 |
This is a single-node call.
|
702 |
|
703 |
"""
|
704 |
params = [name, idata] |
705 |
c = Client("iallocator_runner", params)
|
706 |
c.connect(node) |
707 |
c.run() |
708 |
result = c.getresult().get(node, False)
|
709 |
return result
|
710 |
|
711 |
|
712 |
def call_blockdev_grow(self, node, cf_bdev, amount): |
713 |
"""Request a snapshot of the given block device.
|
714 |
|
715 |
This is a single-node call.
|
716 |
|
717 |
"""
|
718 |
c = Client("blockdev_grow", [cf_bdev.ToDict(), amount])
|
719 |
c.connect(node) |
720 |
c.run() |
721 |
return c.getresult().get(node, False) |
722 |
|
723 |
|
724 |
def call_blockdev_snapshot(self, node, cf_bdev): |
725 |
"""Request a snapshot of the given block device.
|
726 |
|
727 |
This is a single-node call.
|
728 |
|
729 |
"""
|
730 |
c = Client("blockdev_snapshot", [cf_bdev.ToDict()])
|
731 |
c.connect(node) |
732 |
c.run() |
733 |
return c.getresult().get(node, False) |
734 |
|
735 |
|
736 |
def call_snapshot_export(self, node, snap_bdev, dest_node, instance, |
737 |
cluster_name): |
738 |
"""Request the export of a given snapshot.
|
739 |
|
740 |
This is a single-node call.
|
741 |
|
742 |
"""
|
743 |
params = [snap_bdev.ToDict(), dest_node, instance.ToDict(), cluster_name] |
744 |
c = Client("snapshot_export", params)
|
745 |
c.connect(node) |
746 |
c.run() |
747 |
return c.getresult().get(node, False) |
748 |
|
749 |
|
750 |
def call_finalize_export(self, node, instance, snap_disks): |
751 |
"""Request the completion of an export operation.
|
752 |
|
753 |
This writes the export config file, etc.
|
754 |
|
755 |
This is a single-node call.
|
756 |
|
757 |
"""
|
758 |
flat_disks = [] |
759 |
for disk in snap_disks: |
760 |
flat_disks.append(disk.ToDict()) |
761 |
params = [instance.ToDict(), flat_disks] |
762 |
c = Client("finalize_export", params)
|
763 |
c.connect(node) |
764 |
c.run() |
765 |
return c.getresult().get(node, False) |
766 |
|
767 |
|
768 |
def call_export_info(self, node, path): |
769 |
"""Queries the export information in a given path.
|
770 |
|
771 |
This is a single-node call.
|
772 |
|
773 |
"""
|
774 |
c = Client("export_info", [path])
|
775 |
c.connect(node) |
776 |
c.run() |
777 |
result = c.getresult().get(node, False)
|
778 |
if not result: |
779 |
return result
|
780 |
return objects.SerializableConfigParser.Loads(str(result)) |
781 |
|
782 |
|
783 |
def call_instance_os_import(self, node, inst, osdev, swapdev, |
784 |
src_node, src_image, cluster_name): |
785 |
"""Request the import of a backup into an instance.
|
786 |
|
787 |
This is a single-node call.
|
788 |
|
789 |
"""
|
790 |
params = [inst.ToDict(), osdev, swapdev, src_node, src_image, cluster_name] |
791 |
c = Client("instance_os_import", params)
|
792 |
c.connect(node) |
793 |
c.run() |
794 |
return c.getresult().get(node, False) |
795 |
|
796 |
|
797 |
def call_export_list(self, node_list): |
798 |
"""Gets the stored exports list.
|
799 |
|
800 |
This is a multi-node call.
|
801 |
|
802 |
"""
|
803 |
c = Client("export_list", [])
|
804 |
c.connect_list(node_list) |
805 |
c.run() |
806 |
result = c.getresult() |
807 |
return result
|
808 |
|
809 |
|
810 |
def call_export_remove(self, node, export): |
811 |
"""Requests removal of a given export.
|
812 |
|
813 |
This is a single-node call.
|
814 |
|
815 |
"""
|
816 |
c = Client("export_remove", [export])
|
817 |
c.connect(node) |
818 |
c.run() |
819 |
return c.getresult().get(node, False) |
820 |
|
821 |
|
822 |
@staticmethod
|
823 |
def call_node_leave_cluster(node): |
824 |
"""Requests a node to clean the cluster information it has.
|
825 |
|
826 |
This will remove the configuration information from the ganeti data
|
827 |
dir.
|
828 |
|
829 |
This is a single-node call.
|
830 |
|
831 |
"""
|
832 |
c = Client("node_leave_cluster", [])
|
833 |
c.connect(node) |
834 |
c.run() |
835 |
return c.getresult().get(node, False) |
836 |
|
837 |
|
838 |
def call_node_volumes(self, node_list): |
839 |
"""Gets all volumes on node(s).
|
840 |
|
841 |
This is a multi-node call.
|
842 |
|
843 |
"""
|
844 |
c = Client("node_volumes", [])
|
845 |
c.connect_list(node_list) |
846 |
c.run() |
847 |
return c.getresult()
|
848 |
|
849 |
|
850 |
def call_test_delay(self, node_list, duration): |
851 |
"""Sleep for a fixed time on given node(s).
|
852 |
|
853 |
This is a multi-node call.
|
854 |
|
855 |
"""
|
856 |
c = Client("test_delay", [duration])
|
857 |
c.connect_list(node_list) |
858 |
c.run() |
859 |
return c.getresult()
|
860 |
|
861 |
|
862 |
def call_file_storage_dir_create(self, node, file_storage_dir): |
863 |
"""Create the given file storage directory.
|
864 |
|
865 |
This is a single-node call.
|
866 |
|
867 |
"""
|
868 |
c = Client("file_storage_dir_create", [file_storage_dir])
|
869 |
c.connect(node) |
870 |
c.run() |
871 |
return c.getresult().get(node, False) |
872 |
|
873 |
|
874 |
def call_file_storage_dir_remove(self, node, file_storage_dir): |
875 |
"""Remove the given file storage directory.
|
876 |
|
877 |
This is a single-node call.
|
878 |
|
879 |
"""
|
880 |
c = Client("file_storage_dir_remove", [file_storage_dir])
|
881 |
c.connect(node) |
882 |
c.run() |
883 |
return c.getresult().get(node, False) |
884 |
|
885 |
|
886 |
def call_file_storage_dir_rename(self, node, old_file_storage_dir, |
887 |
new_file_storage_dir): |
888 |
"""Rename file storage directory.
|
889 |
|
890 |
This is a single-node call.
|
891 |
|
892 |
"""
|
893 |
c = Client("file_storage_dir_rename",
|
894 |
[old_file_storage_dir, new_file_storage_dir]) |
895 |
c.connect(node) |
896 |
c.run() |
897 |
return c.getresult().get(node, False) |
898 |
|
899 |
|
900 |
@staticmethod
|
901 |
def call_jobqueue_update(node_list, file_name, content): |
902 |
"""Update job queue.
|
903 |
|
904 |
This is a multi-node call.
|
905 |
|
906 |
"""
|
907 |
c = Client("jobqueue_update", [file_name, content])
|
908 |
c.connect_list(node_list) |
909 |
c.run() |
910 |
result = c.getresult() |
911 |
return result
|
912 |
|
913 |
|
914 |
@staticmethod
|
915 |
def call_jobqueue_purge(node): |
916 |
"""Purge job queue.
|
917 |
|
918 |
This is a single-node call.
|
919 |
|
920 |
"""
|
921 |
c = Client("jobqueue_purge", [])
|
922 |
c.connect(node) |
923 |
c.run() |
924 |
return c.getresult().get(node, False) |
925 |
|
926 |
|
927 |
@staticmethod
|
928 |
def call_jobqueue_rename(node_list, old, new): |
929 |
"""Rename a job queue file.
|
930 |
|
931 |
This is a multi-node call.
|
932 |
|
933 |
"""
|
934 |
c = Client("jobqueue_rename", [old, new])
|
935 |
c.connect_list(node_list) |
936 |
c.run() |
937 |
result = c.getresult() |
938 |
return result
|