root / lib / client / gnt_cluster.py @ 87bc7ca8
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#
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# Copyright (C) 2006, 2007, 2010, 2011 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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"""Cluster related commands"""
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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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import os.path |
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import time |
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import OpenSSL |
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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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@UsesRPC
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def InitCluster(opts, args): |
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"""Initialize the cluster.
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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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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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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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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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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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master_netdev = opts.master_netdev |
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if master_netdev is None: |
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master_netdev = constants.DEFAULT_BRIDGE |
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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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hvparams = dict(opts.hvparams)
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beparams = opts.beparams |
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nicparams = opts.nicparams |
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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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# 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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# prepare ndparams dict
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if opts.ndparams is None: |
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ndparams = dict(constants.NDC_DEFAULTS)
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else:
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ndparams = objects.FillDict(constants.NDC_DEFAULTS, opts.ndparams) |
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utils.ForceDictType(ndparams, constants.NDS_PARAMETER_TYPES) |
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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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if opts.candidate_pool_size is None: |
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opts.candidate_pool_size = constants.MASTER_POOL_SIZE_DEFAULT |
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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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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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if opts.prealloc_wipe_disks is None: |
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opts.prealloc_wipe_disks = False
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try:
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primary_ip_version = int(opts.primary_ip_version)
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except (ValueError, TypeError), err: |
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ToStderr("Invalid primary ip version value: %s" % str(err)) |
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return 1 |
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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=master_netdev, |
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file_storage_dir=opts.file_storage_dir, |
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shared_file_storage_dir=opts.shared_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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ndparams=ndparams, |
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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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primary_ip_version=primary_ip_version, |
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prealloc_wipe_disks=opts.prealloc_wipe_disks, |
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) |
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op = opcodes.OpClusterPostInit() |
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SubmitOpCode(op, opts=opts) |
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return 0 |
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@UsesRPC
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def DestroyCluster(opts, args): |
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"""Destroy the cluster.
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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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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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op = opcodes.OpClusterDestroy() |
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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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def RenameCluster(opts, args): |
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"""Rename the cluster.
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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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cl = GetClient() |
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(cluster_name, ) = cl.QueryConfigValues(["cluster_name"])
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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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op = opcodes.OpClusterRename(name=new_name) |
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result = SubmitOpCode(op, opts=opts, cl=cl) |
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if result:
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ToStdout("Cluster renamed from '%s' to '%s'", cluster_name, result)
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return 0 |
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def RedistributeConfig(opts, args): |
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"""Forces push of the cluster configuration.
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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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op = opcodes.OpClusterRedistConf() |
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SubmitOrSend(op, opts) |
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return 0 |
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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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@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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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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def ShowClusterMaster(opts, args): |
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"""Write name of master node to the standard output.
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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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master = bootstrap.GetMaster() |
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ToStdout(master) |
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return 0 |
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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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@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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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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def ShowClusterConfig(opts, args): |
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"""Shows cluster information.
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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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cl = GetClient() |
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result = cl.QueryClusterInfo() |
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ToStdout("Cluster name: %s", result["name"]) |
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ToStdout("Cluster UUID: %s", result["uuid"]) |
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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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ToStdout("Master node: %s", result["master"]) |
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ToStdout("Architecture (this node): %s (%s)",
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result["architecture"][0], result["architecture"][1]) |
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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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ToStdout("Tags: %s", tags)
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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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ToStdout("Hypervisor parameters:")
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_PrintGroupedParams(result["hvparams"])
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ToStdout("OS-specific hypervisor parameters:")
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_PrintGroupedParams(result["os_hvp"])
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ToStdout("OS parameters:")
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_PrintGroupedParams(result["osparams"])
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ToStdout("Hidden OSes: %s", utils.CommaJoin(result["hidden_os"])) |
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ToStdout("Blacklisted OSes: %s", utils.CommaJoin(result["blacklisted_os"])) |
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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(" - shared file storage path: %s",
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result["shared_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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ToStdout(" - primary ip version: %d", result["primary_ip_version"]) |
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ToStdout(" - preallocation wipe disks: %s", result["prealloc_wipe_disks"]) |
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ToStdout("Default node parameters:")
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_PrintGroupedParams(result["ndparams"], roman=opts.roman_integers)
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ToStdout("Default instance parameters:")
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_PrintGroupedParams(result["beparams"], roman=opts.roman_integers)
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ToStdout("Default nic parameters:")
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_PrintGroupedParams(result["nicparams"], roman=opts.roman_integers)
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return 0 |
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def ClusterCopyFile(opts, args): |
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"""Copy a file from master to some nodes.
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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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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) |
379 |
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cl = GetClient() |
381 |
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cluster_name = cl.QueryConfigValues(["cluster_name"])[0] |
383 |
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results = GetOnlineNodes(nodes=opts.nodes, cl=cl, filter_master=True,
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secondary_ips=opts.use_replication_network) |
386 |
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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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return 0 |
393 |
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def RunClusterCommand(opts, args): |
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"""Run a command on some nodes.
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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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cl = GetClient() |
406 |
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command = " ".join(args)
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nodes = GetOnlineNodes(nodes=opts.nodes, cl=cl) |
410 |
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cluster_name, master_node = cl.QueryConfigValues(["cluster_name",
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"master_node"])
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srun = ssh.SshRunner(cluster_name=cluster_name) |
415 |
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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) |
420 |
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for name in nodes: |
422 |
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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return 0 |
429 |
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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.
|
433 |
|
434 |
@param opts: the command line options selected by the user
|
435 |
@type args: list
|
436 |
@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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skip_checks = [] |
442 |
if opts.skip_nplusone_mem:
|
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skip_checks.append(constants.VERIFY_NPLUSONE_MEM) |
444 |
op = opcodes.OpClusterVerify(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) |
448 |
if SubmitOpCode(op, opts=opts):
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return 0 |
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else:
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return 1 |
452 |
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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
|
458 |
@type args: list
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459 |
@param args: should be an empty list
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460 |
@rtype: int
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@return: the desired exit code
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|
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"""
|
464 |
cl = GetClient() |
465 |
|
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op = opcodes.OpClusterVerifyDisks() |
467 |
result = SubmitOpCode(op, opts=opts, cl=cl) |
468 |
if not isinstance(result, (list, tuple)) or len(result) != 3: |
469 |
raise errors.ProgrammerError("Unknown result type for OpClusterVerifyDisks") |
470 |
|
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bad_nodes, instances, missing = result |
472 |
|
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retcode = constants.EXIT_SUCCESS |
474 |
|
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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.OpInstanceActivateDisks(instance_name=iname) |
487 |
try:
|
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ToStdout("Activating disks for instance '%s'", iname)
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SubmitOpCode(op, opts=opts, cl=cl) |
490 |
except errors.GenericError, err:
|
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nret, msg = FormatError(err) |
492 |
retcode |= nret |
493 |
ToStderr("Error activating disks for instance %s: %s", iname, msg)
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494 |
|
495 |
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) |
498 |
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: |
505 |
if node in bad_nodes: |
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ToStdout("\tbroken node %s /dev/%s", node, vol)
|
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else:
|
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ToStdout("\t%s /dev/%s", node, vol)
|
509 |
|
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ToStdout("You need to run replace or recreate disks for all the above"
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" instances, if this message persist after fixing nodes.")
|
512 |
retcode |= 1
|
513 |
|
514 |
return retcode
|
515 |
|
516 |
|
517 |
def RepairDiskSizes(opts, args): |
518 |
"""Verify sizes of cluster disks.
|
519 |
|
520 |
@param opts: the command line options selected by the user
|
521 |
@type args: list
|
522 |
@param args: optional list of instances to restrict check to
|
523 |
@rtype: int
|
524 |
@return: the desired exit code
|
525 |
|
526 |
"""
|
527 |
op = opcodes.OpClusterRepairDiskSizes(instances=args) |
528 |
SubmitOpCode(op, opts=opts) |
529 |
|
530 |
|
531 |
@UsesRPC
|
532 |
def MasterFailover(opts, args): |
533 |
"""Failover the master node.
|
534 |
|
535 |
This command, when run on a non-master node, will cause the current
|
536 |
master to cease being master, and the non-master to become new
|
537 |
master.
|
538 |
|
539 |
@param opts: the command line options selected by the user
|
540 |
@type args: list
|
541 |
@param args: should be an empty list
|
542 |
@rtype: int
|
543 |
@return: the desired exit code
|
544 |
|
545 |
"""
|
546 |
if opts.no_voting:
|
547 |
usertext = ("This will perform the failover even if most other nodes"
|
548 |
" are down, or if this node is outdated. This is dangerous"
|
549 |
" as it can lead to a non-consistent cluster. Check the"
|
550 |
" gnt-cluster(8) man page before proceeding. Continue?")
|
551 |
if not AskUser(usertext): |
552 |
return 1 |
553 |
|
554 |
return bootstrap.MasterFailover(no_voting=opts.no_voting)
|
555 |
|
556 |
|
557 |
def MasterPing(opts, args): |
558 |
"""Checks if the master is alive.
|
559 |
|
560 |
@param opts: the command line options selected by the user
|
561 |
@type args: list
|
562 |
@param args: should be an empty list
|
563 |
@rtype: int
|
564 |
@return: the desired exit code
|
565 |
|
566 |
"""
|
567 |
try:
|
568 |
cl = GetClient() |
569 |
cl.QueryClusterInfo() |
570 |
return 0 |
571 |
except Exception: # pylint: disable-msg=W0703 |
572 |
return 1 |
573 |
|
574 |
|
575 |
def SearchTags(opts, args): |
576 |
"""Searches the tags on all the cluster.
|
577 |
|
578 |
@param opts: the command line options selected by the user
|
579 |
@type args: list
|
580 |
@param args: should contain only one element, the tag pattern
|
581 |
@rtype: int
|
582 |
@return: the desired exit code
|
583 |
|
584 |
"""
|
585 |
op = opcodes.OpTagsSearch(pattern=args[0])
|
586 |
result = SubmitOpCode(op, opts=opts) |
587 |
if not result: |
588 |
return 1 |
589 |
result = list(result)
|
590 |
result.sort() |
591 |
for path, tag in result: |
592 |
ToStdout("%s %s", path, tag)
|
593 |
|
594 |
|
595 |
def _RenewCrypto(new_cluster_cert, new_rapi_cert, rapi_cert_filename, |
596 |
new_confd_hmac_key, new_cds, cds_filename, |
597 |
force): |
598 |
"""Renews cluster certificates, keys and secrets.
|
599 |
|
600 |
@type new_cluster_cert: bool
|
601 |
@param new_cluster_cert: Whether to generate a new cluster certificate
|
602 |
@type new_rapi_cert: bool
|
603 |
@param new_rapi_cert: Whether to generate a new RAPI certificate
|
604 |
@type rapi_cert_filename: string
|
605 |
@param rapi_cert_filename: Path to file containing new RAPI certificate
|
606 |
@type new_confd_hmac_key: bool
|
607 |
@param new_confd_hmac_key: Whether to generate a new HMAC key
|
608 |
@type new_cds: bool
|
609 |
@param new_cds: Whether to generate a new cluster domain secret
|
610 |
@type cds_filename: string
|
611 |
@param cds_filename: Path to file containing new cluster domain secret
|
612 |
@type force: bool
|
613 |
@param force: Whether to ask user for confirmation
|
614 |
|
615 |
"""
|
616 |
if new_rapi_cert and rapi_cert_filename: |
617 |
ToStderr("Only one of the --new-rapi-certficate and --rapi-certificate"
|
618 |
" options can be specified at the same time.")
|
619 |
return 1 |
620 |
|
621 |
if new_cds and cds_filename: |
622 |
ToStderr("Only one of the --new-cluster-domain-secret and"
|
623 |
" --cluster-domain-secret options can be specified at"
|
624 |
" the same time.")
|
625 |
return 1 |
626 |
|
627 |
if rapi_cert_filename:
|
628 |
# Read and verify new certificate
|
629 |
try:
|
630 |
rapi_cert_pem = utils.ReadFile(rapi_cert_filename) |
631 |
|
632 |
OpenSSL.crypto.load_certificate(OpenSSL.crypto.FILETYPE_PEM, |
633 |
rapi_cert_pem) |
634 |
except Exception, err: # pylint: disable-msg=W0703 |
635 |
ToStderr("Can't load new RAPI certificate from %s: %s" %
|
636 |
(rapi_cert_filename, str(err)))
|
637 |
return 1 |
638 |
|
639 |
try:
|
640 |
OpenSSL.crypto.load_privatekey(OpenSSL.crypto.FILETYPE_PEM, rapi_cert_pem) |
641 |
except Exception, err: # pylint: disable-msg=W0703 |
642 |
ToStderr("Can't load new RAPI private key from %s: %s" %
|
643 |
(rapi_cert_filename, str(err)))
|
644 |
return 1 |
645 |
|
646 |
else:
|
647 |
rapi_cert_pem = None
|
648 |
|
649 |
if cds_filename:
|
650 |
try:
|
651 |
cds = utils.ReadFile(cds_filename) |
652 |
except Exception, err: # pylint: disable-msg=W0703 |
653 |
ToStderr("Can't load new cluster domain secret from %s: %s" %
|
654 |
(cds_filename, str(err)))
|
655 |
return 1 |
656 |
else:
|
657 |
cds = None
|
658 |
|
659 |
if not force: |
660 |
usertext = ("This requires all daemons on all nodes to be restarted and"
|
661 |
" may take some time. Continue?")
|
662 |
if not AskUser(usertext): |
663 |
return 1 |
664 |
|
665 |
def _RenewCryptoInner(ctx): |
666 |
ctx.feedback_fn("Updating certificates and keys")
|
667 |
bootstrap.GenerateClusterCrypto(new_cluster_cert, new_rapi_cert, |
668 |
new_confd_hmac_key, |
669 |
new_cds, |
670 |
rapi_cert_pem=rapi_cert_pem, |
671 |
cds=cds) |
672 |
|
673 |
files_to_copy = [] |
674 |
|
675 |
if new_cluster_cert:
|
676 |
files_to_copy.append(constants.NODED_CERT_FILE) |
677 |
|
678 |
if new_rapi_cert or rapi_cert_pem: |
679 |
files_to_copy.append(constants.RAPI_CERT_FILE) |
680 |
|
681 |
if new_confd_hmac_key:
|
682 |
files_to_copy.append(constants.CONFD_HMAC_KEY) |
683 |
|
684 |
if new_cds or cds: |
685 |
files_to_copy.append(constants.CLUSTER_DOMAIN_SECRET_FILE) |
686 |
|
687 |
if files_to_copy:
|
688 |
for node_name in ctx.nonmaster_nodes: |
689 |
ctx.feedback_fn("Copying %s to %s" %
|
690 |
(", ".join(files_to_copy), node_name))
|
691 |
for file_name in files_to_copy: |
692 |
ctx.ssh.CopyFileToNode(node_name, file_name) |
693 |
|
694 |
RunWhileClusterStopped(ToStdout, _RenewCryptoInner) |
695 |
|
696 |
ToStdout("All requested certificates and keys have been replaced."
|
697 |
" Running \"gnt-cluster verify\" now is recommended.")
|
698 |
|
699 |
return 0 |
700 |
|
701 |
|
702 |
def RenewCrypto(opts, args): |
703 |
"""Renews cluster certificates, keys and secrets.
|
704 |
|
705 |
"""
|
706 |
return _RenewCrypto(opts.new_cluster_cert,
|
707 |
opts.new_rapi_cert, |
708 |
opts.rapi_cert, |
709 |
opts.new_confd_hmac_key, |
710 |
opts.new_cluster_domain_secret, |
711 |
opts.cluster_domain_secret, |
712 |
opts.force) |
713 |
|
714 |
|
715 |
def SetClusterParams(opts, args): |
716 |
"""Modify the cluster.
|
717 |
|
718 |
@param opts: the command line options selected by the user
|
719 |
@type args: list
|
720 |
@param args: should be an empty list
|
721 |
@rtype: int
|
722 |
@return: the desired exit code
|
723 |
|
724 |
"""
|
725 |
if not (not opts.lvm_storage or opts.vg_name or |
726 |
not opts.drbd_storage or opts.drbd_helper or |
727 |
opts.enabled_hypervisors or opts.hvparams or |
728 |
opts.beparams or opts.nicparams or opts.ndparams or |
729 |
opts.candidate_pool_size is not None or |
730 |
opts.uid_pool is not None or |
731 |
opts.maintain_node_health is not None or |
732 |
opts.add_uids is not None or |
733 |
opts.remove_uids is not None or |
734 |
opts.default_iallocator is not None or |
735 |
opts.reserved_lvs is not None or |
736 |
opts.master_netdev is not None or |
737 |
opts.prealloc_wipe_disks is not None): |
738 |
ToStderr("Please give at least one of the parameters.")
|
739 |
return 1 |
740 |
|
741 |
vg_name = opts.vg_name |
742 |
if not opts.lvm_storage and opts.vg_name: |
743 |
ToStderr("Options --no-lvm-storage and --vg-name conflict.")
|
744 |
return 1 |
745 |
|
746 |
if not opts.lvm_storage: |
747 |
vg_name = ""
|
748 |
|
749 |
drbd_helper = opts.drbd_helper |
750 |
if not opts.drbd_storage and opts.drbd_helper: |
751 |
ToStderr("Options --no-drbd-storage and --drbd-usermode-helper conflict.")
|
752 |
return 1 |
753 |
|
754 |
if not opts.drbd_storage: |
755 |
drbd_helper = ""
|
756 |
|
757 |
hvlist = opts.enabled_hypervisors |
758 |
if hvlist is not None: |
759 |
hvlist = hvlist.split(",")
|
760 |
|
761 |
# a list of (name, dict) we can pass directly to dict() (or [])
|
762 |
hvparams = dict(opts.hvparams)
|
763 |
for hv_params in hvparams.values(): |
764 |
utils.ForceDictType(hv_params, constants.HVS_PARAMETER_TYPES) |
765 |
|
766 |
beparams = opts.beparams |
767 |
utils.ForceDictType(beparams, constants.BES_PARAMETER_TYPES) |
768 |
|
769 |
nicparams = opts.nicparams |
770 |
utils.ForceDictType(nicparams, constants.NICS_PARAMETER_TYPES) |
771 |
|
772 |
ndparams = opts.ndparams |
773 |
if ndparams is not None: |
774 |
utils.ForceDictType(ndparams, constants.NDS_PARAMETER_TYPES) |
775 |
|
776 |
mnh = opts.maintain_node_health |
777 |
|
778 |
uid_pool = opts.uid_pool |
779 |
if uid_pool is not None: |
780 |
uid_pool = uidpool.ParseUidPool(uid_pool) |
781 |
|
782 |
add_uids = opts.add_uids |
783 |
if add_uids is not None: |
784 |
add_uids = uidpool.ParseUidPool(add_uids) |
785 |
|
786 |
remove_uids = opts.remove_uids |
787 |
if remove_uids is not None: |
788 |
remove_uids = uidpool.ParseUidPool(remove_uids) |
789 |
|
790 |
if opts.reserved_lvs is not None: |
791 |
if opts.reserved_lvs == "": |
792 |
opts.reserved_lvs = [] |
793 |
else:
|
794 |
opts.reserved_lvs = utils.UnescapeAndSplit(opts.reserved_lvs, sep=",")
|
795 |
|
796 |
op = opcodes.OpClusterSetParams(vg_name=vg_name, |
797 |
drbd_helper=drbd_helper, |
798 |
enabled_hypervisors=hvlist, |
799 |
hvparams=hvparams, |
800 |
os_hvp=None,
|
801 |
beparams=beparams, |
802 |
nicparams=nicparams, |
803 |
ndparams=ndparams, |
804 |
candidate_pool_size=opts.candidate_pool_size, |
805 |
maintain_node_health=mnh, |
806 |
uid_pool=uid_pool, |
807 |
add_uids=add_uids, |
808 |
remove_uids=remove_uids, |
809 |
default_iallocator=opts.default_iallocator, |
810 |
prealloc_wipe_disks=opts.prealloc_wipe_disks, |
811 |
master_netdev=opts.master_netdev, |
812 |
reserved_lvs=opts.reserved_lvs) |
813 |
SubmitOpCode(op, opts=opts) |
814 |
return 0 |
815 |
|
816 |
|
817 |
def QueueOps(opts, args): |
818 |
"""Queue operations.
|
819 |
|
820 |
@param opts: the command line options selected by the user
|
821 |
@type args: list
|
822 |
@param args: should contain only one element, the subcommand
|
823 |
@rtype: int
|
824 |
@return: the desired exit code
|
825 |
|
826 |
"""
|
827 |
command = args[0]
|
828 |
client = GetClient() |
829 |
if command in ("drain", "undrain"): |
830 |
drain_flag = command == "drain"
|
831 |
client.SetQueueDrainFlag(drain_flag) |
832 |
elif command == "info": |
833 |
result = client.QueryConfigValues(["drain_flag"])
|
834 |
if result[0]: |
835 |
val = "set"
|
836 |
else:
|
837 |
val = "unset"
|
838 |
ToStdout("The drain flag is %s" % val)
|
839 |
else:
|
840 |
raise errors.OpPrereqError("Command '%s' is not valid." % command, |
841 |
errors.ECODE_INVAL) |
842 |
|
843 |
return 0 |
844 |
|
845 |
|
846 |
def _ShowWatcherPause(until): |
847 |
if until is None or until < time.time(): |
848 |
ToStdout("The watcher is not paused.")
|
849 |
else:
|
850 |
ToStdout("The watcher is paused until %s.", time.ctime(until))
|
851 |
|
852 |
|
853 |
def WatcherOps(opts, args): |
854 |
"""Watcher operations.
|
855 |
|
856 |
@param opts: the command line options selected by the user
|
857 |
@type args: list
|
858 |
@param args: should contain only one element, the subcommand
|
859 |
@rtype: int
|
860 |
@return: the desired exit code
|
861 |
|
862 |
"""
|
863 |
command = args[0]
|
864 |
client = GetClient() |
865 |
|
866 |
if command == "continue": |
867 |
client.SetWatcherPause(None)
|
868 |
ToStdout("The watcher is no longer paused.")
|
869 |
|
870 |
elif command == "pause": |
871 |
if len(args) < 2: |
872 |
raise errors.OpPrereqError("Missing pause duration", errors.ECODE_INVAL) |
873 |
|
874 |
result = client.SetWatcherPause(time.time() + ParseTimespec(args[1]))
|
875 |
_ShowWatcherPause(result) |
876 |
|
877 |
elif command == "info": |
878 |
result = client.QueryConfigValues(["watcher_pause"])
|
879 |
_ShowWatcherPause(result[0])
|
880 |
|
881 |
else:
|
882 |
raise errors.OpPrereqError("Command '%s' is not valid." % command, |
883 |
errors.ECODE_INVAL) |
884 |
|
885 |
return 0 |
886 |
|
887 |
|
888 |
commands = { |
889 |
'init': (
|
890 |
InitCluster, [ArgHost(min=1, max=1)], |
891 |
[BACKEND_OPT, CP_SIZE_OPT, ENABLED_HV_OPT, GLOBAL_FILEDIR_OPT, |
892 |
HVLIST_OPT, MAC_PREFIX_OPT, MASTER_NETDEV_OPT, NIC_PARAMS_OPT, |
893 |
NOLVM_STORAGE_OPT, NOMODIFY_ETCHOSTS_OPT, NOMODIFY_SSH_SETUP_OPT, |
894 |
SECONDARY_IP_OPT, VG_NAME_OPT, MAINTAIN_NODE_HEALTH_OPT, |
895 |
UIDPOOL_OPT, DRBD_HELPER_OPT, NODRBD_STORAGE_OPT, |
896 |
DEFAULT_IALLOCATOR_OPT, PRIMARY_IP_VERSION_OPT, PREALLOC_WIPE_DISKS_OPT, |
897 |
NODE_PARAMS_OPT, GLOBAL_SHARED_FILEDIR_OPT], |
898 |
"[opts...] <cluster_name>", "Initialises a new cluster configuration"), |
899 |
'destroy': (
|
900 |
DestroyCluster, ARGS_NONE, [YES_DOIT_OPT], |
901 |
"", "Destroy cluster"), |
902 |
'rename': (
|
903 |
RenameCluster, [ArgHost(min=1, max=1)], |
904 |
[FORCE_OPT, DRY_RUN_OPT], |
905 |
"<new_name>",
|
906 |
"Renames the cluster"),
|
907 |
'redist-conf': (
|
908 |
RedistributeConfig, ARGS_NONE, [SUBMIT_OPT, DRY_RUN_OPT, PRIORITY_OPT], |
909 |
"", "Forces a push of the configuration file and ssconf files" |
910 |
" to the nodes in the cluster"),
|
911 |
'verify': (
|
912 |
VerifyCluster, ARGS_NONE, |
913 |
[VERBOSE_OPT, DEBUG_SIMERR_OPT, ERROR_CODES_OPT, NONPLUS1_OPT, |
914 |
DRY_RUN_OPT, PRIORITY_OPT], |
915 |
"", "Does a check on the cluster configuration"), |
916 |
'verify-disks': (
|
917 |
VerifyDisks, ARGS_NONE, [PRIORITY_OPT], |
918 |
"", "Does a check on the cluster disk status"), |
919 |
'repair-disk-sizes': (
|
920 |
RepairDiskSizes, ARGS_MANY_INSTANCES, [DRY_RUN_OPT, PRIORITY_OPT], |
921 |
"", "Updates mismatches in recorded disk sizes"), |
922 |
'master-failover': (
|
923 |
MasterFailover, ARGS_NONE, [NOVOTING_OPT], |
924 |
"", "Makes the current node the master"), |
925 |
'master-ping': (
|
926 |
MasterPing, ARGS_NONE, [], |
927 |
"", "Checks if the master is alive"), |
928 |
'version': (
|
929 |
ShowClusterVersion, ARGS_NONE, [], |
930 |
"", "Shows the cluster version"), |
931 |
'getmaster': (
|
932 |
ShowClusterMaster, ARGS_NONE, [], |
933 |
"", "Shows the cluster master"), |
934 |
'copyfile': (
|
935 |
ClusterCopyFile, [ArgFile(min=1, max=1)], |
936 |
[NODE_LIST_OPT, USE_REPL_NET_OPT], |
937 |
"[-n node...] <filename>", "Copies a file to all (or only some) nodes"), |
938 |
'command': (
|
939 |
RunClusterCommand, [ArgCommand(min=1)],
|
940 |
[NODE_LIST_OPT], |
941 |
"[-n node...] <command>", "Runs a command on all (or only some) nodes"), |
942 |
'info': (
|
943 |
ShowClusterConfig, ARGS_NONE, [ROMAN_OPT], |
944 |
"[--roman]", "Show cluster configuration"), |
945 |
'list-tags': (
|
946 |
ListTags, ARGS_NONE, [], "", "List the tags of the cluster"), |
947 |
'add-tags': (
|
948 |
AddTags, [ArgUnknown()], [TAG_SRC_OPT, PRIORITY_OPT], |
949 |
"tag...", "Add tags to the cluster"), |
950 |
'remove-tags': (
|
951 |
RemoveTags, [ArgUnknown()], [TAG_SRC_OPT, PRIORITY_OPT], |
952 |
"tag...", "Remove tags from the cluster"), |
953 |
'search-tags': (
|
954 |
SearchTags, [ArgUnknown(min=1, max=1)], [PRIORITY_OPT], "", |
955 |
"Searches the tags on all objects on"
|
956 |
" the cluster for a given pattern (regex)"),
|
957 |
'queue': (
|
958 |
QueueOps, |
959 |
[ArgChoice(min=1, max=1, choices=["drain", "undrain", "info"])], |
960 |
[], "drain|undrain|info", "Change queue properties"), |
961 |
'watcher': (
|
962 |
WatcherOps, |
963 |
[ArgChoice(min=1, max=1, choices=["pause", "continue", "info"]), |
964 |
ArgSuggest(min=0, max=1, choices=["30m", "1h", "4h"])], |
965 |
[], |
966 |
"{pause <timespec>|continue|info}", "Change watcher properties"), |
967 |
'modify': (
|
968 |
SetClusterParams, ARGS_NONE, |
969 |
[BACKEND_OPT, CP_SIZE_OPT, ENABLED_HV_OPT, HVLIST_OPT, MASTER_NETDEV_OPT, |
970 |
NIC_PARAMS_OPT, NOLVM_STORAGE_OPT, VG_NAME_OPT, MAINTAIN_NODE_HEALTH_OPT, |
971 |
UIDPOOL_OPT, ADD_UIDS_OPT, REMOVE_UIDS_OPT, DRBD_HELPER_OPT, |
972 |
NODRBD_STORAGE_OPT, DEFAULT_IALLOCATOR_OPT, RESERVED_LVS_OPT, |
973 |
DRY_RUN_OPT, PRIORITY_OPT, PREALLOC_WIPE_DISKS_OPT, NODE_PARAMS_OPT], |
974 |
"[opts...]",
|
975 |
"Alters the parameters of the cluster"),
|
976 |
"renew-crypto": (
|
977 |
RenewCrypto, ARGS_NONE, |
978 |
[NEW_CLUSTER_CERT_OPT, NEW_RAPI_CERT_OPT, RAPI_CERT_OPT, |
979 |
NEW_CONFD_HMAC_KEY_OPT, FORCE_OPT, |
980 |
NEW_CLUSTER_DOMAIN_SECRET_OPT, CLUSTER_DOMAIN_SECRET_OPT], |
981 |
"[opts...]",
|
982 |
"Renews cluster certificates, keys and secrets"),
|
983 |
} |
984 |
|
985 |
|
986 |
#: dictionary with aliases for commands
|
987 |
aliases = { |
988 |
'masterfailover': 'master-failover', |
989 |
} |
990 |
|
991 |
|
992 |
def Main(): |
993 |
return GenericMain(commands, override={"tag_type": constants.TAG_CLUSTER}, |
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aliases=aliases) |