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#!/usr/bin/python |
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# |
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|
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# Copyright (C) 2006, 2007, 2010 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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|
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"""Cluster related commands""" |
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|
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# pylint: disable-msg=W0401,W0613,W0614,C0103 |
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# W0401: Wildcard import ganeti.cli |
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# W0613: Unused argument, since all functions follow the same API |
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# W0614: Unused import %s from wildcard import (since we need cli) |
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# C0103: Invalid name gnt-cluster |
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|
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import sys |
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import os.path |
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import time |
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import OpenSSL |
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|
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from ganeti.cli import * |
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from ganeti import opcodes |
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from ganeti import constants |
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from ganeti import errors |
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from ganeti import utils |
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from ganeti import bootstrap |
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from ganeti import ssh |
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from ganeti import objects |
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from ganeti import uidpool |
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from ganeti import compat |
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|
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|
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@UsesRPC |
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def InitCluster(opts, args): |
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"""Initialize the cluster. |
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|
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@param opts: the command line options selected by the user |
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@type args: list |
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@param args: should contain only one element, the desired |
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cluster name |
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@rtype: int |
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@return: the desired exit code |
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|
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""" |
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if not opts.lvm_storage and opts.vg_name: |
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ToStderr("Options --no-lvm-storage and --vg-name conflict.") |
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return 1 |
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|
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vg_name = opts.vg_name |
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if opts.lvm_storage and not opts.vg_name: |
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vg_name = constants.DEFAULT_VG |
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|
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if not opts.drbd_storage and opts.drbd_helper: |
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ToStderr("Options --no-drbd-storage and --drbd-usermode-helper conflict.") |
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return 1 |
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|
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drbd_helper = opts.drbd_helper |
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if opts.drbd_storage and not opts.drbd_helper: |
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drbd_helper = constants.DEFAULT_DRBD_HELPER |
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|
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hvlist = opts.enabled_hypervisors |
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if hvlist is None: |
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hvlist = constants.DEFAULT_ENABLED_HYPERVISOR |
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hvlist = hvlist.split(",") |
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|
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hvparams = dict(opts.hvparams) |
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beparams = opts.beparams |
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nicparams = opts.nicparams |
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|
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# prepare beparams dict |
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beparams = objects.FillDict(constants.BEC_DEFAULTS, beparams) |
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utils.ForceDictType(beparams, constants.BES_PARAMETER_TYPES) |
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|
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# prepare nicparams dict |
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nicparams = objects.FillDict(constants.NICC_DEFAULTS, nicparams) |
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utils.ForceDictType(nicparams, constants.NICS_PARAMETER_TYPES) |
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|
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# prepare hvparams dict |
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for hv in constants.HYPER_TYPES: |
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if hv not in hvparams: |
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hvparams[hv] = {} |
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hvparams[hv] = objects.FillDict(constants.HVC_DEFAULTS[hv], hvparams[hv]) |
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utils.ForceDictType(hvparams[hv], constants.HVS_PARAMETER_TYPES) |
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|
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if opts.candidate_pool_size is None: |
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opts.candidate_pool_size = constants.MASTER_POOL_SIZE_DEFAULT |
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|
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if opts.mac_prefix is None: |
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opts.mac_prefix = constants.DEFAULT_MAC_PREFIX |
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|
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uid_pool = opts.uid_pool |
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if uid_pool is not None: |
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uid_pool = uidpool.ParseUidPool(uid_pool) |
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|
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bootstrap.InitCluster(cluster_name=args[0], |
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secondary_ip=opts.secondary_ip, |
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vg_name=vg_name, |
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mac_prefix=opts.mac_prefix, |
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master_netdev=opts.master_netdev, |
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file_storage_dir=opts.file_storage_dir, |
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enabled_hypervisors=hvlist, |
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hvparams=hvparams, |
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beparams=beparams, |
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nicparams=nicparams, |
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candidate_pool_size=opts.candidate_pool_size, |
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modify_etc_hosts=opts.modify_etc_hosts, |
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modify_ssh_setup=opts.modify_ssh_setup, |
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maintain_node_health=opts.maintain_node_health, |
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drbd_helper=drbd_helper, |
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uid_pool=uid_pool, |
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default_iallocator=opts.default_iallocator, |
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) |
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op = opcodes.OpPostInitCluster() |
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SubmitOpCode(op, opts=opts) |
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return 0 |
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|
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|
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@UsesRPC |
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def DestroyCluster(opts, args): |
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"""Destroy the cluster. |
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|
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@param opts: the command line options selected by the user |
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@type args: list |
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@param args: should be an empty list |
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@rtype: int |
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@return: the desired exit code |
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|
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""" |
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if not opts.yes_do_it: |
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ToStderr("Destroying a cluster is irreversible. If you really want" |
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" destroy this cluster, supply the --yes-do-it option.") |
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return 1 |
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|
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op = opcodes.OpDestroyCluster() |
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master = SubmitOpCode(op, opts=opts) |
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# if we reached this, the opcode didn't fail; we can proceed to |
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# shutdown all the daemons |
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bootstrap.FinalizeClusterDestroy(master) |
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return 0 |
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|
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|
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def RenameCluster(opts, args): |
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"""Rename the cluster. |
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|
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@param opts: the command line options selected by the user |
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@type args: list |
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@param args: should contain only one element, the new cluster name |
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@rtype: int |
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@return: the desired exit code |
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|
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""" |
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cl = GetClient() |
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|
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(cluster_name, ) = cl.QueryConfigValues(["cluster_name"]) |
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|
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new_name = args[0] |
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if not opts.force: |
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usertext = ("This will rename the cluster from '%s' to '%s'. If you are" |
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" connected over the network to the cluster name, the" |
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" operation is very dangerous as the IP address will be" |
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" removed from the node and the change may not go through." |
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" Continue?") % (cluster_name, new_name) |
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if not AskUser(usertext): |
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return 1 |
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|
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op = opcodes.OpRenameCluster(name=new_name) |
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result = SubmitOpCode(op, opts=opts, cl=cl) |
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|
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if result: |
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ToStdout("Cluster renamed from '%s' to '%s'", cluster_name, result) |
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|
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return 0 |
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|
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|
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def RedistributeConfig(opts, args): |
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"""Forces push of the cluster configuration. |
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|
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@param opts: the command line options selected by the user |
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@type args: list |
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@param args: empty list |
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@rtype: int |
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@return: the desired exit code |
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|
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""" |
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op = opcodes.OpRedistributeConfig() |
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SubmitOrSend(op, opts) |
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return 0 |
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|
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|
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def ShowClusterVersion(opts, args): |
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"""Write version of ganeti software to the standard output. |
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|
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@param opts: the command line options selected by the user |
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@type args: list |
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@param args: should be an empty list |
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@rtype: int |
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@return: the desired exit code |
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|
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""" |
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cl = GetClient() |
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result = cl.QueryClusterInfo() |
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ToStdout("Software version: %s", result["software_version"]) |
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ToStdout("Internode protocol: %s", result["protocol_version"]) |
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ToStdout("Configuration format: %s", result["config_version"]) |
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ToStdout("OS api version: %s", result["os_api_version"]) |
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ToStdout("Export interface: %s", result["export_version"]) |
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return 0 |
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|
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|
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def ShowClusterMaster(opts, args): |
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"""Write name of master node to the standard output. |
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|
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@param opts: the command line options selected by the user |
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@type args: list |
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@param args: should be an empty list |
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@rtype: int |
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@return: the desired exit code |
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|
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""" |
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master = bootstrap.GetMaster() |
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ToStdout(master) |
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return 0 |
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|
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|
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def _PrintGroupedParams(paramsdict, level=1, roman=False): |
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"""Print Grouped parameters (be, nic, disk) by group. |
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|
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@type paramsdict: dict of dicts |
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@param paramsdict: {group: {param: value, ...}, ...} |
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@type level: int |
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@param level: Level of indention |
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|
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""" |
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indent = " " * level |
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for item, val in sorted(paramsdict.items()): |
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if isinstance(val, dict): |
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ToStdout("%s- %s:", indent, item) |
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_PrintGroupedParams(val, level=level + 1, roman=roman) |
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elif roman and isinstance(val, int): |
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ToStdout("%s %s: %s", indent, item, compat.TryToRoman(val)) |
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else: |
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ToStdout("%s %s: %s", indent, item, val) |
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|
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|
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def ShowClusterConfig(opts, args): |
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"""Shows cluster information. |
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|
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@param opts: the command line options selected by the user |
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@type args: list |
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@param args: should be an empty list |
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@rtype: int |
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@return: the desired exit code |
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|
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""" |
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cl = GetClient() |
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result = cl.QueryClusterInfo() |
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|
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ToStdout("Cluster name: %s", result["name"]) |
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ToStdout("Cluster UUID: %s", result["uuid"]) |
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|
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ToStdout("Creation time: %s", utils.FormatTime(result["ctime"])) |
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ToStdout("Modification time: %s", utils.FormatTime(result["mtime"])) |
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|
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ToStdout("Master node: %s", result["master"]) |
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|
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ToStdout("Architecture (this node): %s (%s)", |
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result["architecture"][0], result["architecture"][1]) |
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|
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if result["tags"]: |
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tags = utils.CommaJoin(utils.NiceSort(result["tags"])) |
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else: |
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tags = "(none)" |
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|
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ToStdout("Tags: %s", tags) |
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|
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ToStdout("Default hypervisor: %s", result["default_hypervisor"]) |
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ToStdout("Enabled hypervisors: %s", |
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utils.CommaJoin(result["enabled_hypervisors"])) |
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|
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ToStdout("Hypervisor parameters:") |
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_PrintGroupedParams(result["hvparams"]) |
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|
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ToStdout("OS-specific hypervisor parameters:") |
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_PrintGroupedParams(result["os_hvp"]) |
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|
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ToStdout("OS parameters:") |
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_PrintGroupedParams(result["osparams"]) |
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|
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ToStdout("Cluster parameters:") |
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ToStdout(" - candidate pool size: %s", |
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compat.TryToRoman(result["candidate_pool_size"], |
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convert=opts.roman_integers)) |
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ToStdout(" - master netdev: %s", result["master_netdev"]) |
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ToStdout(" - lvm volume group: %s", result["volume_group_name"]) |
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if result["reserved_lvs"]: |
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reserved_lvs = utils.CommaJoin(result["reserved_lvs"]) |
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else: |
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reserved_lvs = "(none)" |
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ToStdout(" - lvm reserved volumes: %s", reserved_lvs) |
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ToStdout(" - drbd usermode helper: %s", result["drbd_usermode_helper"]) |
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ToStdout(" - file storage path: %s", result["file_storage_dir"]) |
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ToStdout(" - maintenance of node health: %s", |
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result["maintain_node_health"]) |
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ToStdout(" - uid pool: %s", |
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uidpool.FormatUidPool(result["uid_pool"], |
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roman=opts.roman_integers)) |
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ToStdout(" - default instance allocator: %s", result["default_iallocator"]) |
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|
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ToStdout("Default instance parameters:") |
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_PrintGroupedParams(result["beparams"], roman=opts.roman_integers) |
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|
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ToStdout("Default nic parameters:") |
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_PrintGroupedParams(result["nicparams"], roman=opts.roman_integers) |
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|
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return 0 |
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|
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|
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def ClusterCopyFile(opts, args): |
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"""Copy a file from master to some nodes. |
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|
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@param opts: the command line options selected by the user |
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@type args: list |
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@param args: should contain only one element, the path of |
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the file to be copied |
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@rtype: int |
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@return: the desired exit code |
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|
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""" |
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filename = args[0] |
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if not os.path.exists(filename): |
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raise errors.OpPrereqError("No such filename '%s'" % filename, |
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errors.ECODE_INVAL) |
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|
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cl = GetClient() |
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|
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cluster_name = cl.QueryConfigValues(["cluster_name"])[0] |
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|
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results = GetOnlineNodes(nodes=opts.nodes, cl=cl, filter_master=True, |
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secondary_ips=opts.use_replication_network) |
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|
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srun = ssh.SshRunner(cluster_name=cluster_name) |
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for node in results: |
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if not srun.CopyFileToNode(node, filename): |
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ToStderr("Copy of file %s to node %s failed", filename, node) |
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|
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return 0 |
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|
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|
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def RunClusterCommand(opts, args): |
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"""Run a command on some nodes. |
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|
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@param opts: the command line options selected by the user |
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@type args: list |
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@param args: should contain the command to be run and its arguments |
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@rtype: int |
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@return: the desired exit code |
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|
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""" |
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cl = GetClient() |
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|
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command = " ".join(args) |
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|
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nodes = GetOnlineNodes(nodes=opts.nodes, cl=cl) |
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|
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cluster_name, master_node = cl.QueryConfigValues(["cluster_name", |
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"master_node"]) |
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|
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srun = ssh.SshRunner(cluster_name=cluster_name) |
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|
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# Make sure master node is at list end |
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if master_node in nodes: |
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nodes.remove(master_node) |
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nodes.append(master_node) |
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|
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for name in nodes: |
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result = srun.Run(name, "root", command) |
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ToStdout("------------------------------------------------") |
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ToStdout("node: %s", name) |
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ToStdout("%s", result.output) |
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ToStdout("return code = %s", result.exit_code) |
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|
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return 0 |
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|
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|
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def VerifyCluster(opts, args): |
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"""Verify integrity of cluster, performing various test on nodes. |
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|
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@param opts: the command line options selected by the user |
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@type args: list |
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@param args: should be an empty list |
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@rtype: int |
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@return: the desired exit code |
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|
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""" |
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skip_checks = [] |
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if opts.skip_nplusone_mem: |
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skip_checks.append(constants.VERIFY_NPLUSONE_MEM) |
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op = opcodes.OpVerifyCluster(skip_checks=skip_checks, |
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verbose=opts.verbose, |
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error_codes=opts.error_codes, |
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debug_simulate_errors=opts.simulate_errors) |
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if SubmitOpCode(op, opts=opts): |
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return 0 |
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else: |
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return 1 |
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|
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|
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def VerifyDisks(opts, args): |
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"""Verify integrity of cluster disks. |
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|
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@param opts: the command line options selected by the user |
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@type args: list |
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@param args: should be an empty list |
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@rtype: int |
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@return: the desired exit code |
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|
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""" |
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op = opcodes.OpVerifyDisks() |
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result = SubmitOpCode(op, opts=opts) |
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if not isinstance(result, (list, tuple)) or len(result) != 3: |
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raise errors.ProgrammerError("Unknown result type for OpVerifyDisks") |
435 |
|
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bad_nodes, instances, missing = result |
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|
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retcode = constants.EXIT_SUCCESS |
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|
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if bad_nodes: |
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for node, text in bad_nodes.items(): |
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ToStdout("Error gathering data on node %s: %s", |
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node, utils.SafeEncode(text[-400:])) |
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retcode |= 1 |
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ToStdout("You need to fix these nodes first before fixing instances") |
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|
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if instances: |
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for iname in instances: |
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if iname in missing: |
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continue |
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op = opcodes.OpActivateInstanceDisks(instance_name=iname) |
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try: |
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ToStdout("Activating disks for instance '%s'", iname) |
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SubmitOpCode(op, opts=opts) |
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except errors.GenericError, err: |
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nret, msg = FormatError(err) |
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retcode |= nret |
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ToStderr("Error activating disks for instance %s: %s", iname, msg) |
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|
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if missing: |
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for iname, ival in missing.iteritems(): |
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all_missing = compat.all(x[0] in bad_nodes for x in ival) |
463 |
if all_missing: |
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ToStdout("Instance %s cannot be verified as it lives on" |
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" broken nodes", iname) |
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else: |
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ToStdout("Instance %s has missing logical volumes:", iname) |
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ival.sort() |
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for node, vol in ival: |
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if node in bad_nodes: |
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ToStdout("\tbroken node %s /dev/xenvg/%s", node, vol) |
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else: |
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ToStdout("\t%s /dev/xenvg/%s", node, vol) |
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ToStdout("You need to run replace_disks for all the above" |
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" instances, if this message persist after fixing nodes.") |
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retcode |= 1 |
477 |
|
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return retcode |
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|
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|
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def RepairDiskSizes(opts, args): |
482 |
"""Verify sizes of cluster disks. |
483 |
|
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@param opts: the command line options selected by the user |
485 |
@type args: list |
486 |
@param args: optional list of instances to restrict check to |
487 |
@rtype: int |
488 |
@return: the desired exit code |
489 |
|
490 |
""" |
491 |
op = opcodes.OpRepairDiskSizes(instances=args) |
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SubmitOpCode(op, opts=opts) |
493 |
|
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|
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@UsesRPC |
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def MasterFailover(opts, args): |
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"""Failover the master node. |
498 |
|
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This command, when run on a non-master node, will cause the current |
500 |
master to cease being master, and the non-master to become new |
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master. |
502 |
|
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@param opts: the command line options selected by the user |
504 |
@type args: list |
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@param args: should be an empty list |
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@rtype: int |
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@return: the desired exit code |
508 |
|
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""" |
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if opts.no_voting: |
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usertext = ("This will perform the failover even if most other nodes" |
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" are down, or if this node is outdated. This is dangerous" |
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" as it can lead to a non-consistent cluster. Check the" |
514 |
" gnt-cluster(8) man page before proceeding. Continue?") |
515 |
if not AskUser(usertext): |
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return 1 |
517 |
|
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return bootstrap.MasterFailover(no_voting=opts.no_voting) |
519 |
|
520 |
|
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def MasterPing(opts, args): |
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"""Checks if the master is alive. |
523 |
|
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@param opts: the command line options selected by the user |
525 |
@type args: list |
526 |
@param args: should be an empty list |
527 |
@rtype: int |
528 |
@return: the desired exit code |
529 |
|
530 |
""" |
531 |
try: |
532 |
cl = GetClient() |
533 |
cl.QueryClusterInfo() |
534 |
return 0 |
535 |
except Exception: # pylint: disable-msg=W0703 |
536 |
return 1 |
537 |
|
538 |
|
539 |
def SearchTags(opts, args): |
540 |
"""Searches the tags on all the cluster. |
541 |
|
542 |
@param opts: the command line options selected by the user |
543 |
@type args: list |
544 |
@param args: should contain only one element, the tag pattern |
545 |
@rtype: int |
546 |
@return: the desired exit code |
547 |
|
548 |
""" |
549 |
op = opcodes.OpSearchTags(pattern=args[0]) |
550 |
result = SubmitOpCode(op, opts=opts) |
551 |
if not result: |
552 |
return 1 |
553 |
result = list(result) |
554 |
result.sort() |
555 |
for path, tag in result: |
556 |
ToStdout("%s %s", path, tag) |
557 |
|
558 |
|
559 |
def _RenewCrypto(new_cluster_cert, new_rapi_cert, rapi_cert_filename, |
560 |
new_confd_hmac_key, new_cds, cds_filename, |
561 |
force): |
562 |
"""Renews cluster certificates, keys and secrets. |
563 |
|
564 |
@type new_cluster_cert: bool |
565 |
@param new_cluster_cert: Whether to generate a new cluster certificate |
566 |
@type new_rapi_cert: bool |
567 |
@param new_rapi_cert: Whether to generate a new RAPI certificate |
568 |
@type rapi_cert_filename: string |
569 |
@param rapi_cert_filename: Path to file containing new RAPI certificate |
570 |
@type new_confd_hmac_key: bool |
571 |
@param new_confd_hmac_key: Whether to generate a new HMAC key |
572 |
@type new_cds: bool |
573 |
@param new_cds: Whether to generate a new cluster domain secret |
574 |
@type cds_filename: string |
575 |
@param cds_filename: Path to file containing new cluster domain secret |
576 |
@type force: bool |
577 |
@param force: Whether to ask user for confirmation |
578 |
|
579 |
""" |
580 |
if new_rapi_cert and rapi_cert_filename: |
581 |
ToStderr("Only one of the --new-rapi-certficate and --rapi-certificate" |
582 |
" options can be specified at the same time.") |
583 |
return 1 |
584 |
|
585 |
if new_cds and cds_filename: |
586 |
ToStderr("Only one of the --new-cluster-domain-secret and" |
587 |
" --cluster-domain-secret options can be specified at" |
588 |
" the same time.") |
589 |
return 1 |
590 |
|
591 |
if rapi_cert_filename: |
592 |
# Read and verify new certificate |
593 |
try: |
594 |
rapi_cert_pem = utils.ReadFile(rapi_cert_filename) |
595 |
|
596 |
OpenSSL.crypto.load_certificate(OpenSSL.crypto.FILETYPE_PEM, |
597 |
rapi_cert_pem) |
598 |
except Exception, err: # pylint: disable-msg=W0703 |
599 |
ToStderr("Can't load new RAPI certificate from %s: %s" % |
600 |
(rapi_cert_filename, str(err))) |
601 |
return 1 |
602 |
|
603 |
try: |
604 |
OpenSSL.crypto.load_privatekey(OpenSSL.crypto.FILETYPE_PEM, rapi_cert_pem) |
605 |
except Exception, err: # pylint: disable-msg=W0703 |
606 |
ToStderr("Can't load new RAPI private key from %s: %s" % |
607 |
(rapi_cert_filename, str(err))) |
608 |
return 1 |
609 |
|
610 |
else: |
611 |
rapi_cert_pem = None |
612 |
|
613 |
if cds_filename: |
614 |
try: |
615 |
cds = utils.ReadFile(cds_filename) |
616 |
except Exception, err: # pylint: disable-msg=W0703 |
617 |
ToStderr("Can't load new cluster domain secret from %s: %s" % |
618 |
(cds_filename, str(err))) |
619 |
return 1 |
620 |
else: |
621 |
cds = None |
622 |
|
623 |
if not force: |
624 |
usertext = ("This requires all daemons on all nodes to be restarted and" |
625 |
" may take some time. Continue?") |
626 |
if not AskUser(usertext): |
627 |
return 1 |
628 |
|
629 |
def _RenewCryptoInner(ctx): |
630 |
ctx.feedback_fn("Updating certificates and keys") |
631 |
bootstrap.GenerateClusterCrypto(new_cluster_cert, new_rapi_cert, |
632 |
new_confd_hmac_key, |
633 |
new_cds, |
634 |
rapi_cert_pem=rapi_cert_pem, |
635 |
cds=cds) |
636 |
|
637 |
files_to_copy = [] |
638 |
|
639 |
if new_cluster_cert: |
640 |
files_to_copy.append(constants.NODED_CERT_FILE) |
641 |
|
642 |
if new_rapi_cert or rapi_cert_pem: |
643 |
files_to_copy.append(constants.RAPI_CERT_FILE) |
644 |
|
645 |
if new_confd_hmac_key: |
646 |
files_to_copy.append(constants.CONFD_HMAC_KEY) |
647 |
|
648 |
if new_cds or cds: |
649 |
files_to_copy.append(constants.CLUSTER_DOMAIN_SECRET_FILE) |
650 |
|
651 |
if files_to_copy: |
652 |
for node_name in ctx.nonmaster_nodes: |
653 |
ctx.feedback_fn("Copying %s to %s" % |
654 |
(", ".join(files_to_copy), node_name)) |
655 |
for file_name in files_to_copy: |
656 |
ctx.ssh.CopyFileToNode(node_name, file_name) |
657 |
|
658 |
RunWhileClusterStopped(ToStdout, _RenewCryptoInner) |
659 |
|
660 |
ToStdout("All requested certificates and keys have been replaced." |
661 |
" Running \"gnt-cluster verify\" now is recommended.") |
662 |
|
663 |
return 0 |
664 |
|
665 |
|
666 |
def RenewCrypto(opts, args): |
667 |
"""Renews cluster certificates, keys and secrets. |
668 |
|
669 |
""" |
670 |
return _RenewCrypto(opts.new_cluster_cert, |
671 |
opts.new_rapi_cert, |
672 |
opts.rapi_cert, |
673 |
opts.new_confd_hmac_key, |
674 |
opts.new_cluster_domain_secret, |
675 |
opts.cluster_domain_secret, |
676 |
opts.force) |
677 |
|
678 |
|
679 |
def SetClusterParams(opts, args): |
680 |
"""Modify the cluster. |
681 |
|
682 |
@param opts: the command line options selected by the user |
683 |
@type args: list |
684 |
@param args: should be an empty list |
685 |
@rtype: int |
686 |
@return: the desired exit code |
687 |
|
688 |
""" |
689 |
if not (not opts.lvm_storage or opts.vg_name or |
690 |
not opts.drbd_storage or opts.drbd_helper or |
691 |
opts.enabled_hypervisors or opts.hvparams or |
692 |
opts.beparams or opts.nicparams or |
693 |
opts.candidate_pool_size is not None or |
694 |
opts.uid_pool is not None or |
695 |
opts.maintain_node_health is not None or |
696 |
opts.add_uids is not None or |
697 |
opts.remove_uids is not None or |
698 |
opts.default_iallocator is not None or |
699 |
opts.reserved_lvs is not None): |
700 |
ToStderr("Please give at least one of the parameters.") |
701 |
return 1 |
702 |
|
703 |
vg_name = opts.vg_name |
704 |
if not opts.lvm_storage and opts.vg_name: |
705 |
ToStderr("Options --no-lvm-storage and --vg-name conflict.") |
706 |
return 1 |
707 |
|
708 |
if not opts.lvm_storage: |
709 |
vg_name = "" |
710 |
|
711 |
drbd_helper = opts.drbd_helper |
712 |
if not opts.drbd_storage and opts.drbd_helper: |
713 |
ToStderr("Options --no-drbd-storage and --drbd-usermode-helper conflict.") |
714 |
return 1 |
715 |
|
716 |
if not opts.drbd_storage: |
717 |
drbd_helper = "" |
718 |
|
719 |
hvlist = opts.enabled_hypervisors |
720 |
if hvlist is not None: |
721 |
hvlist = hvlist.split(",") |
722 |
|
723 |
# a list of (name, dict) we can pass directly to dict() (or []) |
724 |
hvparams = dict(opts.hvparams) |
725 |
for hv_params in hvparams.values(): |
726 |
utils.ForceDictType(hv_params, constants.HVS_PARAMETER_TYPES) |
727 |
|
728 |
beparams = opts.beparams |
729 |
utils.ForceDictType(beparams, constants.BES_PARAMETER_TYPES) |
730 |
|
731 |
nicparams = opts.nicparams |
732 |
utils.ForceDictType(nicparams, constants.NICS_PARAMETER_TYPES) |
733 |
|
734 |
|
735 |
mnh = opts.maintain_node_health |
736 |
|
737 |
uid_pool = opts.uid_pool |
738 |
if uid_pool is not None: |
739 |
uid_pool = uidpool.ParseUidPool(uid_pool) |
740 |
|
741 |
add_uids = opts.add_uids |
742 |
if add_uids is not None: |
743 |
add_uids = uidpool.ParseUidPool(add_uids) |
744 |
|
745 |
remove_uids = opts.remove_uids |
746 |
if remove_uids is not None: |
747 |
remove_uids = uidpool.ParseUidPool(remove_uids) |
748 |
|
749 |
if opts.reserved_lvs is not None: |
750 |
if opts.reserved_lvs == "": |
751 |
opts.reserved_lvs = [] |
752 |
else: |
753 |
opts.reserved_lvs = utils.UnescapeAndSplit(opts.reserved_lvs, sep=",") |
754 |
|
755 |
op = opcodes.OpSetClusterParams(vg_name=vg_name, |
756 |
drbd_helper=drbd_helper, |
757 |
enabled_hypervisors=hvlist, |
758 |
hvparams=hvparams, |
759 |
os_hvp=None, |
760 |
beparams=beparams, |
761 |
nicparams=nicparams, |
762 |
candidate_pool_size=opts.candidate_pool_size, |
763 |
maintain_node_health=mnh, |
764 |
uid_pool=uid_pool, |
765 |
add_uids=add_uids, |
766 |
remove_uids=remove_uids, |
767 |
default_iallocator=opts.default_iallocator, |
768 |
reserved_lvs=opts.reserved_lvs) |
769 |
SubmitOpCode(op, opts=opts) |
770 |
return 0 |
771 |
|
772 |
|
773 |
def QueueOps(opts, args): |
774 |
"""Queue operations. |
775 |
|
776 |
@param opts: the command line options selected by the user |
777 |
@type args: list |
778 |
@param args: should contain only one element, the subcommand |
779 |
@rtype: int |
780 |
@return: the desired exit code |
781 |
|
782 |
""" |
783 |
command = args[0] |
784 |
client = GetClient() |
785 |
if command in ("drain", "undrain"): |
786 |
drain_flag = command == "drain" |
787 |
client.SetQueueDrainFlag(drain_flag) |
788 |
elif command == "info": |
789 |
result = client.QueryConfigValues(["drain_flag"]) |
790 |
if result[0]: |
791 |
val = "set" |
792 |
else: |
793 |
val = "unset" |
794 |
ToStdout("The drain flag is %s" % val) |
795 |
else: |
796 |
raise errors.OpPrereqError("Command '%s' is not valid." % command, |
797 |
errors.ECODE_INVAL) |
798 |
|
799 |
return 0 |
800 |
|
801 |
|
802 |
def _ShowWatcherPause(until): |
803 |
if until is None or until < time.time(): |
804 |
ToStdout("The watcher is not paused.") |
805 |
else: |
806 |
ToStdout("The watcher is paused until %s.", time.ctime(until)) |
807 |
|
808 |
|
809 |
def WatcherOps(opts, args): |
810 |
"""Watcher operations. |
811 |
|
812 |
@param opts: the command line options selected by the user |
813 |
@type args: list |
814 |
@param args: should contain only one element, the subcommand |
815 |
@rtype: int |
816 |
@return: the desired exit code |
817 |
|
818 |
""" |
819 |
command = args[0] |
820 |
client = GetClient() |
821 |
|
822 |
if command == "continue": |
823 |
client.SetWatcherPause(None) |
824 |
ToStdout("The watcher is no longer paused.") |
825 |
|
826 |
elif command == "pause": |
827 |
if len(args) < 2: |
828 |
raise errors.OpPrereqError("Missing pause duration", errors.ECODE_INVAL) |
829 |
|
830 |
result = client.SetWatcherPause(time.time() + ParseTimespec(args[1])) |
831 |
_ShowWatcherPause(result) |
832 |
|
833 |
elif command == "info": |
834 |
result = client.QueryConfigValues(["watcher_pause"]) |
835 |
_ShowWatcherPause(result[0]) |
836 |
|
837 |
else: |
838 |
raise errors.OpPrereqError("Command '%s' is not valid." % command, |
839 |
errors.ECODE_INVAL) |
840 |
|
841 |
return 0 |
842 |
|
843 |
|
844 |
commands = { |
845 |
'init': ( |
846 |
InitCluster, [ArgHost(min=1, max=1)], |
847 |
[BACKEND_OPT, CP_SIZE_OPT, ENABLED_HV_OPT, GLOBAL_FILEDIR_OPT, |
848 |
HVLIST_OPT, MAC_PREFIX_OPT, MASTER_NETDEV_OPT, NIC_PARAMS_OPT, |
849 |
NOLVM_STORAGE_OPT, NOMODIFY_ETCHOSTS_OPT, NOMODIFY_SSH_SETUP_OPT, |
850 |
SECONDARY_IP_OPT, VG_NAME_OPT, MAINTAIN_NODE_HEALTH_OPT, |
851 |
UIDPOOL_OPT, DRBD_HELPER_OPT, NODRBD_STORAGE_OPT, |
852 |
DEFAULT_IALLOCATOR_OPT], |
853 |
"[opts...] <cluster_name>", "Initialises a new cluster configuration"), |
854 |
'destroy': ( |
855 |
DestroyCluster, ARGS_NONE, [YES_DOIT_OPT], |
856 |
"", "Destroy cluster"), |
857 |
'rename': ( |
858 |
RenameCluster, [ArgHost(min=1, max=1)], |
859 |
[FORCE_OPT, DRY_RUN_OPT], |
860 |
"<new_name>", |
861 |
"Renames the cluster"), |
862 |
'redist-conf': ( |
863 |
RedistributeConfig, ARGS_NONE, [SUBMIT_OPT, DRY_RUN_OPT], |
864 |
"", "Forces a push of the configuration file and ssconf files" |
865 |
" to the nodes in the cluster"), |
866 |
'verify': ( |
867 |
VerifyCluster, ARGS_NONE, |
868 |
[VERBOSE_OPT, DEBUG_SIMERR_OPT, ERROR_CODES_OPT, NONPLUS1_OPT, |
869 |
DRY_RUN_OPT], |
870 |
"", "Does a check on the cluster configuration"), |
871 |
'verify-disks': ( |
872 |
VerifyDisks, ARGS_NONE, [], |
873 |
"", "Does a check on the cluster disk status"), |
874 |
'repair-disk-sizes': ( |
875 |
RepairDiskSizes, ARGS_MANY_INSTANCES, [DRY_RUN_OPT], |
876 |
"", "Updates mismatches in recorded disk sizes"), |
877 |
'master-failover': ( |
878 |
MasterFailover, ARGS_NONE, [NOVOTING_OPT], |
879 |
"", "Makes the current node the master"), |
880 |
'master-ping': ( |
881 |
MasterPing, ARGS_NONE, [], |
882 |
"", "Checks if the master is alive"), |
883 |
'version': ( |
884 |
ShowClusterVersion, ARGS_NONE, [], |
885 |
"", "Shows the cluster version"), |
886 |
'getmaster': ( |
887 |
ShowClusterMaster, ARGS_NONE, [], |
888 |
"", "Shows the cluster master"), |
889 |
'copyfile': ( |
890 |
ClusterCopyFile, [ArgFile(min=1, max=1)], |
891 |
[NODE_LIST_OPT, USE_REPL_NET_OPT], |
892 |
"[-n node...] <filename>", "Copies a file to all (or only some) nodes"), |
893 |
'command': ( |
894 |
RunClusterCommand, [ArgCommand(min=1)], |
895 |
[NODE_LIST_OPT], |
896 |
"[-n node...] <command>", "Runs a command on all (or only some) nodes"), |
897 |
'info': ( |
898 |
ShowClusterConfig, ARGS_NONE, [ROMAN_OPT], |
899 |
"[--roman]", "Show cluster configuration"), |
900 |
'list-tags': ( |
901 |
ListTags, ARGS_NONE, [], "", "List the tags of the cluster"), |
902 |
'add-tags': ( |
903 |
AddTags, [ArgUnknown()], [TAG_SRC_OPT], |
904 |
"tag...", "Add tags to the cluster"), |
905 |
'remove-tags': ( |
906 |
RemoveTags, [ArgUnknown()], [TAG_SRC_OPT], |
907 |
"tag...", "Remove tags from the cluster"), |
908 |
'search-tags': ( |
909 |
SearchTags, [ArgUnknown(min=1, max=1)], |
910 |
[], "", "Searches the tags on all objects on" |
911 |
" the cluster for a given pattern (regex)"), |
912 |
'queue': ( |
913 |
QueueOps, |
914 |
[ArgChoice(min=1, max=1, choices=["drain", "undrain", "info"])], |
915 |
[], "drain|undrain|info", "Change queue properties"), |
916 |
'watcher': ( |
917 |
WatcherOps, |
918 |
[ArgChoice(min=1, max=1, choices=["pause", "continue", "info"]), |
919 |
ArgSuggest(min=0, max=1, choices=["30m", "1h", "4h"])], |
920 |
[], |
921 |
"{pause <timespec>|continue|info}", "Change watcher properties"), |
922 |
'modify': ( |
923 |
SetClusterParams, ARGS_NONE, |
924 |
[BACKEND_OPT, CP_SIZE_OPT, ENABLED_HV_OPT, HVLIST_OPT, |
925 |
NIC_PARAMS_OPT, NOLVM_STORAGE_OPT, VG_NAME_OPT, MAINTAIN_NODE_HEALTH_OPT, |
926 |
UIDPOOL_OPT, ADD_UIDS_OPT, REMOVE_UIDS_OPT, DRBD_HELPER_OPT, |
927 |
NODRBD_STORAGE_OPT, DEFAULT_IALLOCATOR_OPT, RESERVED_LVS_OPT, |
928 |
DRY_RUN_OPT], |
929 |
"[opts...]", |
930 |
"Alters the parameters of the cluster"), |
931 |
"renew-crypto": ( |
932 |
RenewCrypto, ARGS_NONE, |
933 |
[NEW_CLUSTER_CERT_OPT, NEW_RAPI_CERT_OPT, RAPI_CERT_OPT, |
934 |
NEW_CONFD_HMAC_KEY_OPT, FORCE_OPT, |
935 |
NEW_CLUSTER_DOMAIN_SECRET_OPT, CLUSTER_DOMAIN_SECRET_OPT], |
936 |
"[opts...]", |
937 |
"Renews cluster certificates, keys and secrets"), |
938 |
} |
939 |
|
940 |
|
941 |
#: dictionary with aliases for commands |
942 |
aliases = { |
943 |
'masterfailover': 'master-failover', |
944 |
} |
945 |
|
946 |
|
947 |
if __name__ == '__main__': |
948 |
sys.exit(GenericMain(commands, override={"tag_type": constants.TAG_CLUSTER}, |
949 |
aliases=aliases)) |