root / lib / client / gnt_cluster.py @ d9fdd354
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#
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# Copyright (C) 2006, 2007, 2010, 2011, 2012, 2013 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=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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from cStringIO import StringIO |
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import os.path |
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import time |
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import OpenSSL |
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import itertools |
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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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from ganeti import netutils |
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from ganeti import pathutils |
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ON_OPT = cli_option("--on", default=False, |
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action="store_true", dest="on", |
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help="Recover from an EPO")
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GROUPS_OPT = cli_option("--groups", default=False, |
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action="store_true", dest="groups", |
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help="Arguments are node groups instead of nodes")
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FORCE_FAILOVER = cli_option("--yes-do-it", dest="yes_do_it", |
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help="Override interactive check for --no-voting",
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default=False, action="store_true") |
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_EPO_PING_INTERVAL = 30 # 30 seconds between pings |
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_EPO_PING_TIMEOUT = 1 # 1 second |
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_EPO_REACHABLE_TIMEOUT = 15 * 60 # 15 minutes |
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def _CheckNoLvmStorageOptDeprecated(opts): |
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"""Checks if the legacy option '--no-lvm-storage' is used.
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"""
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if not opts.lvm_storage: |
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ToStderr("The option --no-lvm-storage is no longer supported. If you want"
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" to disable lvm-based storage cluster-wide, use the option"
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" --enabled-disk-templates to disable all of these lvm-base disk "
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" templates: %s" %
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utils.CommaJoin(utils.GetLvmDiskTemplates())) |
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return 1 |
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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 _CheckNoLvmStorageOptDeprecated(opts):
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return 1 |
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enabled_disk_templates = opts.enabled_disk_templates |
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if enabled_disk_templates:
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enabled_disk_templates = enabled_disk_templates.split(",")
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else:
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enabled_disk_templates = constants.DEFAULT_ENABLED_DISK_TEMPLATES |
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vg_name = None
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if opts.vg_name is not None: |
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vg_name = opts.vg_name |
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if vg_name:
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if not utils.IsLvmEnabled(enabled_disk_templates): |
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ToStdout("You specified a volume group with --vg-name, but you did not"
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" enable any disk template that uses lvm.")
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else:
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if utils.IsLvmEnabled(enabled_disk_templates):
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ToStderr("LVM disk templates are enabled, but vg name not set.")
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return 1 |
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else:
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if utils.IsLvmEnabled(enabled_disk_templates):
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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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diskparams = dict(opts.diskparams)
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# check the disk template types here, as we cannot rely on the type check done
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# by the opcode parameter types
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diskparams_keys = set(diskparams.keys())
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if not (diskparams_keys <= constants.DISK_TEMPLATES): |
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unknown = utils.NiceSort(diskparams_keys - constants.DISK_TEMPLATES) |
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ToStderr("Disk templates unknown: %s" % utils.CommaJoin(unknown))
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return 1 |
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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_COMPAT) |
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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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# prepare diskparams dict
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for templ in constants.DISK_TEMPLATES: |
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if templ not in diskparams: |
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diskparams[templ] = {} |
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diskparams[templ] = objects.FillDict(constants.DISK_DT_DEFAULTS[templ], |
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diskparams[templ]) |
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utils.ForceDictType(diskparams[templ], constants.DISK_DT_TYPES) |
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# prepare ipolicy dict
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ipolicy = CreateIPolicyFromOpts( |
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ispecs_mem_size=opts.ispecs_mem_size, |
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ispecs_cpu_count=opts.ispecs_cpu_count, |
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ispecs_disk_count=opts.ispecs_disk_count, |
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ispecs_disk_size=opts.ispecs_disk_size, |
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ispecs_nic_count=opts.ispecs_nic_count, |
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minmax_ispecs=opts.ipolicy_bounds_specs, |
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std_ispecs=opts.ipolicy_std_specs, |
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ipolicy_disk_templates=opts.ipolicy_disk_templates, |
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ipolicy_vcpu_ratio=opts.ipolicy_vcpu_ratio, |
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ipolicy_spindle_ratio=opts.ipolicy_spindle_ratio, |
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fill_all=True)
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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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external_ip_setup_script = opts.use_external_mip_script |
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if external_ip_setup_script is None: |
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external_ip_setup_script = 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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master_netmask = opts.master_netmask |
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try:
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if master_netmask is not None: |
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master_netmask = int(master_netmask)
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except (ValueError, TypeError), err: |
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ToStderr("Invalid master netmask value: %s" % str(err)) |
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return 1 |
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if opts.disk_state:
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disk_state = utils.FlatToDict(opts.disk_state) |
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else:
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disk_state = {} |
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hv_state = dict(opts.hv_state)
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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_netmask=master_netmask, |
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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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diskparams=diskparams, |
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ipolicy=ipolicy, |
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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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use_external_mip_script=external_ip_setup_script, |
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hv_state=hv_state, |
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disk_state=disk_state, |
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enabled_disk_templates=enabled_disk_templates, |
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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_uuid = 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_uuid) |
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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 ActivateMasterIp(opts, args): |
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"""Activates the master IP.
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"""
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op = opcodes.OpClusterActivateMasterIp() |
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SubmitOpCode(op) |
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return 0 |
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def DeactivateMasterIp(opts, args): |
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"""Deactivates the master IP.
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"""
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if not opts.confirm: |
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usertext = ("This will disable the master IP. All the open connections to"
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" the master IP will be closed. To reach the master you will"
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" need to use its node IP."
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" Continue?")
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if not AskUser(usertext): |
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return 1 |
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op = opcodes.OpClusterDeactivateMasterIp() |
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SubmitOpCode(op) |
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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(query=True)
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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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ToStdout("VCS version: %s", result["vcs_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 _FormatGroupedParams(paramsdict, roman=False): |
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"""Format 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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@rtype: dict of dicts
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@return: copy of the input dictionaries with strings as values
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"""
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ret = {} |
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for (item, val) in paramsdict.items(): |
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if isinstance(val, dict): |
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ret[item] = _FormatGroupedParams(val, roman=roman) |
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elif roman and isinstance(val, int): |
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ret[item] = compat.TryToRoman(val) |
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else:
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ret[item] = str(val)
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return ret
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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(query=True)
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result = cl.QueryClusterInfo() |
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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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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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enabled_hv = result["enabled_hypervisors"]
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hvparams = dict((k, v) for k, v in result["hvparams"].iteritems() |
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if k in enabled_hv) |
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info = [ |
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("Cluster name", result["name"]), |
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("Cluster UUID", result["uuid"]), |
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("Creation time", utils.FormatTime(result["ctime"])), |
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("Modification time", utils.FormatTime(result["mtime"])), |
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("Master node", result["master"]), |
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("Architecture (this node)",
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"%s (%s)" % (result["architecture"][0], result["architecture"][1])), |
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("Tags", tags),
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("Default hypervisor", result["default_hypervisor"]), |
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("Enabled hypervisors", utils.CommaJoin(enabled_hv)),
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("Hypervisor parameters", _FormatGroupedParams(hvparams)),
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("OS-specific hypervisor parameters",
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_FormatGroupedParams(result["os_hvp"])),
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("OS parameters", _FormatGroupedParams(result["osparams"])), |
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("Hidden OSes", utils.CommaJoin(result["hidden_os"])), |
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("Blacklisted OSes", utils.CommaJoin(result["blacklisted_os"])), |
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("Cluster parameters", [
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("candidate pool size",
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compat.TryToRoman(result["candidate_pool_size"],
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convert=opts.roman_integers)), |
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("master netdev", result["master_netdev"]), |
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("master netmask", result["master_netmask"]), |
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("use external master IP address setup script",
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result["use_external_mip_script"]),
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("lvm volume group", result["volume_group_name"]), |
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("lvm reserved volumes", reserved_lvs),
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("drbd usermode helper", result["drbd_usermode_helper"]), |
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("file storage path", result["file_storage_dir"]), |
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("shared file storage path", result["shared_file_storage_dir"]), |
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("maintenance of node health", result["maintain_node_health"]), |
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("uid pool", uidpool.FormatUidPool(result["uid_pool"])), |
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("default instance allocator", result["default_iallocator"]), |
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("primary ip version", result["primary_ip_version"]), |
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("preallocation wipe disks", result["prealloc_wipe_disks"]), |
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("OS search path", utils.CommaJoin(pathutils.OS_SEARCH_PATH)),
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("ExtStorage Providers search path",
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utils.CommaJoin(pathutils.ES_SEARCH_PATH)), |
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("enabled disk templates",
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utils.CommaJoin(result["enabled_disk_templates"])),
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]), |
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("Default node parameters",
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_FormatGroupedParams(result["ndparams"], roman=opts.roman_integers)),
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("Default instance parameters",
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_FormatGroupedParams(result["beparams"], roman=opts.roman_integers)),
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("Default nic parameters",
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_FormatGroupedParams(result["nicparams"], roman=opts.roman_integers)),
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("Default disk parameters",
|
503 |
_FormatGroupedParams(result["diskparams"], roman=opts.roman_integers)),
|
504 |
|
505 |
("Instance policy - limits for instances",
|
506 |
FormatPolicyInfo(result["ipolicy"], None, True)), |
507 |
] |
508 |
|
509 |
PrintGenericInfo(info) |
510 |
return 0 |
511 |
|
512 |
|
513 |
def ClusterCopyFile(opts, args): |
514 |
"""Copy a file from master to some nodes.
|
515 |
|
516 |
@param opts: the command line options selected by the user
|
517 |
@type args: list
|
518 |
@param args: should contain only one element, the path of
|
519 |
the file to be copied
|
520 |
@rtype: int
|
521 |
@return: the desired exit code
|
522 |
|
523 |
"""
|
524 |
filename = args[0]
|
525 |
if not os.path.exists(filename): |
526 |
raise errors.OpPrereqError("No such filename '%s'" % filename, |
527 |
errors.ECODE_INVAL) |
528 |
|
529 |
cl = GetClient() |
530 |
|
531 |
cluster_name = cl.QueryConfigValues(["cluster_name"])[0] |
532 |
|
533 |
results = GetOnlineNodes(nodes=opts.nodes, cl=cl, filter_master=True,
|
534 |
secondary_ips=opts.use_replication_network, |
535 |
nodegroup=opts.nodegroup) |
536 |
|
537 |
srun = ssh.SshRunner(cluster_name) |
538 |
for node in results: |
539 |
if not srun.CopyFileToNode(node, filename): |
540 |
ToStderr("Copy of file %s to node %s failed", filename, node)
|
541 |
|
542 |
return 0 |
543 |
|
544 |
|
545 |
def RunClusterCommand(opts, args): |
546 |
"""Run a command on some nodes.
|
547 |
|
548 |
@param opts: the command line options selected by the user
|
549 |
@type args: list
|
550 |
@param args: should contain the command to be run and its arguments
|
551 |
@rtype: int
|
552 |
@return: the desired exit code
|
553 |
|
554 |
"""
|
555 |
cl = GetClient() |
556 |
|
557 |
command = " ".join(args)
|
558 |
|
559 |
nodes = GetOnlineNodes(nodes=opts.nodes, cl=cl, nodegroup=opts.nodegroup) |
560 |
|
561 |
cluster_name, master_node = cl.QueryConfigValues(["cluster_name",
|
562 |
"master_node"])
|
563 |
|
564 |
srun = ssh.SshRunner(cluster_name=cluster_name) |
565 |
|
566 |
# Make sure master node is at list end
|
567 |
if master_node in nodes: |
568 |
nodes.remove(master_node) |
569 |
nodes.append(master_node) |
570 |
|
571 |
for name in nodes: |
572 |
result = srun.Run(name, constants.SSH_LOGIN_USER, command) |
573 |
|
574 |
if opts.failure_only and result.exit_code == constants.EXIT_SUCCESS: |
575 |
# Do not output anything for successful commands
|
576 |
continue
|
577 |
|
578 |
ToStdout("------------------------------------------------")
|
579 |
if opts.show_machine_names:
|
580 |
for line in result.output.splitlines(): |
581 |
ToStdout("%s: %s", name, line)
|
582 |
else:
|
583 |
ToStdout("node: %s", name)
|
584 |
ToStdout("%s", result.output)
|
585 |
ToStdout("return code = %s", result.exit_code)
|
586 |
|
587 |
return 0 |
588 |
|
589 |
|
590 |
def VerifyCluster(opts, args): |
591 |
"""Verify integrity of cluster, performing various test on nodes.
|
592 |
|
593 |
@param opts: the command line options selected by the user
|
594 |
@type args: list
|
595 |
@param args: should be an empty list
|
596 |
@rtype: int
|
597 |
@return: the desired exit code
|
598 |
|
599 |
"""
|
600 |
skip_checks = [] |
601 |
|
602 |
if opts.skip_nplusone_mem:
|
603 |
skip_checks.append(constants.VERIFY_NPLUSONE_MEM) |
604 |
|
605 |
cl = GetClient() |
606 |
|
607 |
op = opcodes.OpClusterVerify(verbose=opts.verbose, |
608 |
error_codes=opts.error_codes, |
609 |
debug_simulate_errors=opts.simulate_errors, |
610 |
skip_checks=skip_checks, |
611 |
ignore_errors=opts.ignore_errors, |
612 |
group_name=opts.nodegroup) |
613 |
result = SubmitOpCode(op, cl=cl, opts=opts) |
614 |
|
615 |
# Keep track of submitted jobs
|
616 |
jex = JobExecutor(cl=cl, opts=opts) |
617 |
|
618 |
for (status, job_id) in result[constants.JOB_IDS_KEY]: |
619 |
jex.AddJobId(None, status, job_id)
|
620 |
|
621 |
results = jex.GetResults() |
622 |
|
623 |
(bad_jobs, bad_results) = \ |
624 |
map(len, |
625 |
# Convert iterators to lists
|
626 |
map(list, |
627 |
# Count errors
|
628 |
map(compat.partial(itertools.ifilterfalse, bool), |
629 |
# Convert result to booleans in a tuple
|
630 |
zip(*((job_success, len(op_results) == 1 and op_results[0]) |
631 |
for (job_success, op_results) in results))))) |
632 |
|
633 |
if bad_jobs == 0 and bad_results == 0: |
634 |
rcode = constants.EXIT_SUCCESS |
635 |
else:
|
636 |
rcode = constants.EXIT_FAILURE |
637 |
if bad_jobs > 0: |
638 |
ToStdout("%s job(s) failed while verifying the cluster.", bad_jobs)
|
639 |
|
640 |
return rcode
|
641 |
|
642 |
|
643 |
def VerifyDisks(opts, args): |
644 |
"""Verify integrity of cluster disks.
|
645 |
|
646 |
@param opts: the command line options selected by the user
|
647 |
@type args: list
|
648 |
@param args: should be an empty list
|
649 |
@rtype: int
|
650 |
@return: the desired exit code
|
651 |
|
652 |
"""
|
653 |
cl = GetClient() |
654 |
|
655 |
op = opcodes.OpClusterVerifyDisks() |
656 |
|
657 |
result = SubmitOpCode(op, cl=cl, opts=opts) |
658 |
|
659 |
# Keep track of submitted jobs
|
660 |
jex = JobExecutor(cl=cl, opts=opts) |
661 |
|
662 |
for (status, job_id) in result[constants.JOB_IDS_KEY]: |
663 |
jex.AddJobId(None, status, job_id)
|
664 |
|
665 |
retcode = constants.EXIT_SUCCESS |
666 |
|
667 |
for (status, result) in jex.GetResults(): |
668 |
if not status: |
669 |
ToStdout("Job failed: %s", result)
|
670 |
continue
|
671 |
|
672 |
((bad_nodes, instances, missing), ) = result |
673 |
|
674 |
for node, text in bad_nodes.items(): |
675 |
ToStdout("Error gathering data on node %s: %s",
|
676 |
node, utils.SafeEncode(text[-400:]))
|
677 |
retcode = constants.EXIT_FAILURE |
678 |
ToStdout("You need to fix these nodes first before fixing instances")
|
679 |
|
680 |
for iname in instances: |
681 |
if iname in missing: |
682 |
continue
|
683 |
op = opcodes.OpInstanceActivateDisks(instance_name=iname) |
684 |
try:
|
685 |
ToStdout("Activating disks for instance '%s'", iname)
|
686 |
SubmitOpCode(op, opts=opts, cl=cl) |
687 |
except errors.GenericError, err:
|
688 |
nret, msg = FormatError(err) |
689 |
retcode |= nret |
690 |
ToStderr("Error activating disks for instance %s: %s", iname, msg)
|
691 |
|
692 |
if missing:
|
693 |
for iname, ival in missing.iteritems(): |
694 |
all_missing = compat.all(x[0] in bad_nodes for x in ival) |
695 |
if all_missing:
|
696 |
ToStdout("Instance %s cannot be verified as it lives on"
|
697 |
" broken nodes", iname)
|
698 |
else:
|
699 |
ToStdout("Instance %s has missing logical volumes:", iname)
|
700 |
ival.sort() |
701 |
for node, vol in ival: |
702 |
if node in bad_nodes: |
703 |
ToStdout("\tbroken node %s /dev/%s", node, vol)
|
704 |
else:
|
705 |
ToStdout("\t%s /dev/%s", node, vol)
|
706 |
|
707 |
ToStdout("You need to replace or recreate disks for all the above"
|
708 |
" instances if this message persists after fixing broken nodes.")
|
709 |
retcode = constants.EXIT_FAILURE |
710 |
elif not instances: |
711 |
ToStdout("No disks need to be activated.")
|
712 |
|
713 |
return retcode
|
714 |
|
715 |
|
716 |
def RepairDiskSizes(opts, args): |
717 |
"""Verify sizes of cluster disks.
|
718 |
|
719 |
@param opts: the command line options selected by the user
|
720 |
@type args: list
|
721 |
@param args: optional list of instances to restrict check to
|
722 |
@rtype: int
|
723 |
@return: the desired exit code
|
724 |
|
725 |
"""
|
726 |
op = opcodes.OpClusterRepairDiskSizes(instances=args) |
727 |
SubmitOpCode(op, opts=opts) |
728 |
|
729 |
|
730 |
@UsesRPC
|
731 |
def MasterFailover(opts, args): |
732 |
"""Failover the master node.
|
733 |
|
734 |
This command, when run on a non-master node, will cause the current
|
735 |
master to cease being master, and the non-master to become new
|
736 |
master.
|
737 |
|
738 |
@param opts: the command line options selected by the user
|
739 |
@type args: list
|
740 |
@param args: should be an empty list
|
741 |
@rtype: int
|
742 |
@return: the desired exit code
|
743 |
|
744 |
"""
|
745 |
if opts.no_voting and not opts.yes_do_it: |
746 |
usertext = ("This will perform the failover even if most other nodes"
|
747 |
" are down, or if this node is outdated. This is dangerous"
|
748 |
" as it can lead to a non-consistent cluster. Check the"
|
749 |
" gnt-cluster(8) man page before proceeding. Continue?")
|
750 |
if not AskUser(usertext): |
751 |
return 1 |
752 |
|
753 |
return bootstrap.MasterFailover(no_voting=opts.no_voting)
|
754 |
|
755 |
|
756 |
def MasterPing(opts, args): |
757 |
"""Checks if the master is alive.
|
758 |
|
759 |
@param opts: the command line options selected by the user
|
760 |
@type args: list
|
761 |
@param args: should be an empty list
|
762 |
@rtype: int
|
763 |
@return: the desired exit code
|
764 |
|
765 |
"""
|
766 |
try:
|
767 |
cl = GetClient() |
768 |
cl.QueryClusterInfo() |
769 |
return 0 |
770 |
except Exception: # pylint: disable=W0703 |
771 |
return 1 |
772 |
|
773 |
|
774 |
def SearchTags(opts, args): |
775 |
"""Searches the tags on all the cluster.
|
776 |
|
777 |
@param opts: the command line options selected by the user
|
778 |
@type args: list
|
779 |
@param args: should contain only one element, the tag pattern
|
780 |
@rtype: int
|
781 |
@return: the desired exit code
|
782 |
|
783 |
"""
|
784 |
op = opcodes.OpTagsSearch(pattern=args[0])
|
785 |
result = SubmitOpCode(op, opts=opts) |
786 |
if not result: |
787 |
return 1 |
788 |
result = list(result)
|
789 |
result.sort() |
790 |
for path, tag in result: |
791 |
ToStdout("%s %s", path, tag)
|
792 |
|
793 |
|
794 |
def _ReadAndVerifyCert(cert_filename, verify_private_key=False): |
795 |
"""Reads and verifies an X509 certificate.
|
796 |
|
797 |
@type cert_filename: string
|
798 |
@param cert_filename: the path of the file containing the certificate to
|
799 |
verify encoded in PEM format
|
800 |
@type verify_private_key: bool
|
801 |
@param verify_private_key: whether to verify the private key in addition to
|
802 |
the public certificate
|
803 |
@rtype: string
|
804 |
@return: a string containing the PEM-encoded certificate.
|
805 |
|
806 |
"""
|
807 |
try:
|
808 |
pem = utils.ReadFile(cert_filename) |
809 |
except IOError, err: |
810 |
raise errors.X509CertError(cert_filename,
|
811 |
"Unable to read certificate: %s" % str(err)) |
812 |
|
813 |
try:
|
814 |
OpenSSL.crypto.load_certificate(OpenSSL.crypto.FILETYPE_PEM, pem) |
815 |
except Exception, err: |
816 |
raise errors.X509CertError(cert_filename,
|
817 |
"Unable to load certificate: %s" % str(err)) |
818 |
|
819 |
if verify_private_key:
|
820 |
try:
|
821 |
OpenSSL.crypto.load_privatekey(OpenSSL.crypto.FILETYPE_PEM, pem) |
822 |
except Exception, err: |
823 |
raise errors.X509CertError(cert_filename,
|
824 |
"Unable to load private key: %s" % str(err)) |
825 |
|
826 |
return pem
|
827 |
|
828 |
|
829 |
def _RenewCrypto(new_cluster_cert, new_rapi_cert, # pylint: disable=R0911 |
830 |
rapi_cert_filename, new_spice_cert, spice_cert_filename, |
831 |
spice_cacert_filename, new_confd_hmac_key, new_cds, |
832 |
cds_filename, force): |
833 |
"""Renews cluster certificates, keys and secrets.
|
834 |
|
835 |
@type new_cluster_cert: bool
|
836 |
@param new_cluster_cert: Whether to generate a new cluster certificate
|
837 |
@type new_rapi_cert: bool
|
838 |
@param new_rapi_cert: Whether to generate a new RAPI certificate
|
839 |
@type rapi_cert_filename: string
|
840 |
@param rapi_cert_filename: Path to file containing new RAPI certificate
|
841 |
@type new_spice_cert: bool
|
842 |
@param new_spice_cert: Whether to generate a new SPICE certificate
|
843 |
@type spice_cert_filename: string
|
844 |
@param spice_cert_filename: Path to file containing new SPICE certificate
|
845 |
@type spice_cacert_filename: string
|
846 |
@param spice_cacert_filename: Path to file containing the certificate of the
|
847 |
CA that signed the SPICE certificate
|
848 |
@type new_confd_hmac_key: bool
|
849 |
@param new_confd_hmac_key: Whether to generate a new HMAC key
|
850 |
@type new_cds: bool
|
851 |
@param new_cds: Whether to generate a new cluster domain secret
|
852 |
@type cds_filename: string
|
853 |
@param cds_filename: Path to file containing new cluster domain secret
|
854 |
@type force: bool
|
855 |
@param force: Whether to ask user for confirmation
|
856 |
|
857 |
"""
|
858 |
if new_rapi_cert and rapi_cert_filename: |
859 |
ToStderr("Only one of the --new-rapi-certificate and --rapi-certificate"
|
860 |
" options can be specified at the same time.")
|
861 |
return 1 |
862 |
|
863 |
if new_cds and cds_filename: |
864 |
ToStderr("Only one of the --new-cluster-domain-secret and"
|
865 |
" --cluster-domain-secret options can be specified at"
|
866 |
" the same time.")
|
867 |
return 1 |
868 |
|
869 |
if new_spice_cert and (spice_cert_filename or spice_cacert_filename): |
870 |
ToStderr("When using --new-spice-certificate, the --spice-certificate"
|
871 |
" and --spice-ca-certificate must not be used.")
|
872 |
return 1 |
873 |
|
874 |
if bool(spice_cacert_filename) ^ bool(spice_cert_filename): |
875 |
ToStderr("Both --spice-certificate and --spice-ca-certificate must be"
|
876 |
" specified.")
|
877 |
return 1 |
878 |
|
879 |
rapi_cert_pem, spice_cert_pem, spice_cacert_pem = (None, None, None) |
880 |
try:
|
881 |
if rapi_cert_filename:
|
882 |
rapi_cert_pem = _ReadAndVerifyCert(rapi_cert_filename, True)
|
883 |
if spice_cert_filename:
|
884 |
spice_cert_pem = _ReadAndVerifyCert(spice_cert_filename, True)
|
885 |
spice_cacert_pem = _ReadAndVerifyCert(spice_cacert_filename) |
886 |
except errors.X509CertError, err:
|
887 |
ToStderr("Unable to load X509 certificate from %s: %s", err[0], err[1]) |
888 |
return 1 |
889 |
|
890 |
if cds_filename:
|
891 |
try:
|
892 |
cds = utils.ReadFile(cds_filename) |
893 |
except Exception, err: # pylint: disable=W0703 |
894 |
ToStderr("Can't load new cluster domain secret from %s: %s" %
|
895 |
(cds_filename, str(err)))
|
896 |
return 1 |
897 |
else:
|
898 |
cds = None
|
899 |
|
900 |
if not force: |
901 |
usertext = ("This requires all daemons on all nodes to be restarted and"
|
902 |
" may take some time. Continue?")
|
903 |
if not AskUser(usertext): |
904 |
return 1 |
905 |
|
906 |
def _RenewCryptoInner(ctx): |
907 |
ctx.feedback_fn("Updating certificates and keys")
|
908 |
bootstrap.GenerateClusterCrypto(new_cluster_cert, |
909 |
new_rapi_cert, |
910 |
new_spice_cert, |
911 |
new_confd_hmac_key, |
912 |
new_cds, |
913 |
rapi_cert_pem=rapi_cert_pem, |
914 |
spice_cert_pem=spice_cert_pem, |
915 |
spice_cacert_pem=spice_cacert_pem, |
916 |
cds=cds) |
917 |
|
918 |
files_to_copy = [] |
919 |
|
920 |
if new_cluster_cert:
|
921 |
files_to_copy.append(pathutils.NODED_CERT_FILE) |
922 |
|
923 |
if new_rapi_cert or rapi_cert_pem: |
924 |
files_to_copy.append(pathutils.RAPI_CERT_FILE) |
925 |
|
926 |
if new_spice_cert or spice_cert_pem: |
927 |
files_to_copy.append(pathutils.SPICE_CERT_FILE) |
928 |
files_to_copy.append(pathutils.SPICE_CACERT_FILE) |
929 |
|
930 |
if new_confd_hmac_key:
|
931 |
files_to_copy.append(pathutils.CONFD_HMAC_KEY) |
932 |
|
933 |
if new_cds or cds: |
934 |
files_to_copy.append(pathutils.CLUSTER_DOMAIN_SECRET_FILE) |
935 |
|
936 |
if files_to_copy:
|
937 |
for node_name in ctx.nonmaster_nodes: |
938 |
ctx.feedback_fn("Copying %s to %s" %
|
939 |
(", ".join(files_to_copy), node_name))
|
940 |
for file_name in files_to_copy: |
941 |
ctx.ssh.CopyFileToNode(node_name, file_name) |
942 |
|
943 |
RunWhileClusterStopped(ToStdout, _RenewCryptoInner) |
944 |
|
945 |
ToStdout("All requested certificates and keys have been replaced."
|
946 |
" Running \"gnt-cluster verify\" now is recommended.")
|
947 |
|
948 |
return 0 |
949 |
|
950 |
|
951 |
def RenewCrypto(opts, args): |
952 |
"""Renews cluster certificates, keys and secrets.
|
953 |
|
954 |
"""
|
955 |
return _RenewCrypto(opts.new_cluster_cert,
|
956 |
opts.new_rapi_cert, |
957 |
opts.rapi_cert, |
958 |
opts.new_spice_cert, |
959 |
opts.spice_cert, |
960 |
opts.spice_cacert, |
961 |
opts.new_confd_hmac_key, |
962 |
opts.new_cluster_domain_secret, |
963 |
opts.cluster_domain_secret, |
964 |
opts.force) |
965 |
|
966 |
|
967 |
def SetClusterParams(opts, args): |
968 |
"""Modify the cluster.
|
969 |
|
970 |
@param opts: the command line options selected by the user
|
971 |
@type args: list
|
972 |
@param args: should be an empty list
|
973 |
@rtype: int
|
974 |
@return: the desired exit code
|
975 |
|
976 |
"""
|
977 |
if not (opts.vg_name is not None or opts.drbd_helper or |
978 |
opts.enabled_hypervisors or opts.hvparams or |
979 |
opts.beparams or opts.nicparams or |
980 |
opts.ndparams or opts.diskparams or |
981 |
opts.candidate_pool_size is not None or |
982 |
opts.uid_pool is not None or |
983 |
opts.maintain_node_health is not None or |
984 |
opts.add_uids is not None or |
985 |
opts.remove_uids is not None or |
986 |
opts.default_iallocator is not None or |
987 |
opts.reserved_lvs is not None or |
988 |
opts.master_netdev is not None or |
989 |
opts.master_netmask is not None or |
990 |
opts.use_external_mip_script is not None or |
991 |
opts.prealloc_wipe_disks is not None or |
992 |
opts.hv_state or
|
993 |
opts.enabled_disk_templates or
|
994 |
opts.disk_state or
|
995 |
opts.ipolicy_bounds_specs is not None or |
996 |
opts.ipolicy_std_specs is not None or |
997 |
opts.ipolicy_disk_templates is not None or |
998 |
opts.ipolicy_vcpu_ratio is not None or |
999 |
opts.ipolicy_spindle_ratio is not None or |
1000 |
opts.modify_etc_hosts is not None or |
1001 |
opts.file_storage_dir is not None): |
1002 |
ToStderr("Please give at least one of the parameters.")
|
1003 |
return 1 |
1004 |
|
1005 |
if _CheckNoLvmStorageOptDeprecated(opts):
|
1006 |
return 1 |
1007 |
|
1008 |
enabled_disk_templates = None
|
1009 |
if opts.enabled_disk_templates:
|
1010 |
enabled_disk_templates = opts.enabled_disk_templates.split(",")
|
1011 |
|
1012 |
# consistency between vg name and enabled disk templates
|
1013 |
vg_name = None
|
1014 |
if opts.vg_name is not None: |
1015 |
vg_name = opts.vg_name |
1016 |
if enabled_disk_templates:
|
1017 |
if vg_name and not utils.IsLvmEnabled(enabled_disk_templates): |
1018 |
ToStdout("You specified a volume group with --vg-name, but you did not"
|
1019 |
" enable any of the following lvm-based disk templates: %s" %
|
1020 |
utils.CommaJoin(utils.GetLvmDiskTemplates())) |
1021 |
|
1022 |
drbd_helper = opts.drbd_helper |
1023 |
if not opts.drbd_storage and opts.drbd_helper: |
1024 |
ToStderr("Options --no-drbd-storage and --drbd-usermode-helper conflict.")
|
1025 |
return 1 |
1026 |
|
1027 |
if not opts.drbd_storage: |
1028 |
drbd_helper = ""
|
1029 |
|
1030 |
hvlist = opts.enabled_hypervisors |
1031 |
if hvlist is not None: |
1032 |
hvlist = hvlist.split(",")
|
1033 |
|
1034 |
# a list of (name, dict) we can pass directly to dict() (or [])
|
1035 |
hvparams = dict(opts.hvparams)
|
1036 |
for hv_params in hvparams.values(): |
1037 |
utils.ForceDictType(hv_params, constants.HVS_PARAMETER_TYPES) |
1038 |
|
1039 |
diskparams = dict(opts.diskparams)
|
1040 |
|
1041 |
for dt_params in diskparams.values(): |
1042 |
utils.ForceDictType(dt_params, constants.DISK_DT_TYPES) |
1043 |
|
1044 |
beparams = opts.beparams |
1045 |
utils.ForceDictType(beparams, constants.BES_PARAMETER_COMPAT) |
1046 |
|
1047 |
nicparams = opts.nicparams |
1048 |
utils.ForceDictType(nicparams, constants.NICS_PARAMETER_TYPES) |
1049 |
|
1050 |
ndparams = opts.ndparams |
1051 |
if ndparams is not None: |
1052 |
utils.ForceDictType(ndparams, constants.NDS_PARAMETER_TYPES) |
1053 |
|
1054 |
ipolicy = CreateIPolicyFromOpts( |
1055 |
minmax_ispecs=opts.ipolicy_bounds_specs, |
1056 |
std_ispecs=opts.ipolicy_std_specs, |
1057 |
ipolicy_disk_templates=opts.ipolicy_disk_templates, |
1058 |
ipolicy_vcpu_ratio=opts.ipolicy_vcpu_ratio, |
1059 |
ipolicy_spindle_ratio=opts.ipolicy_spindle_ratio, |
1060 |
) |
1061 |
|
1062 |
mnh = opts.maintain_node_health |
1063 |
|
1064 |
uid_pool = opts.uid_pool |
1065 |
if uid_pool is not None: |
1066 |
uid_pool = uidpool.ParseUidPool(uid_pool) |
1067 |
|
1068 |
add_uids = opts.add_uids |
1069 |
if add_uids is not None: |
1070 |
add_uids = uidpool.ParseUidPool(add_uids) |
1071 |
|
1072 |
remove_uids = opts.remove_uids |
1073 |
if remove_uids is not None: |
1074 |
remove_uids = uidpool.ParseUidPool(remove_uids) |
1075 |
|
1076 |
if opts.reserved_lvs is not None: |
1077 |
if opts.reserved_lvs == "": |
1078 |
opts.reserved_lvs = [] |
1079 |
else:
|
1080 |
opts.reserved_lvs = utils.UnescapeAndSplit(opts.reserved_lvs, sep=",")
|
1081 |
|
1082 |
if opts.master_netmask is not None: |
1083 |
try:
|
1084 |
opts.master_netmask = int(opts.master_netmask)
|
1085 |
except ValueError: |
1086 |
ToStderr("The --master-netmask option expects an int parameter.")
|
1087 |
return 1 |
1088 |
|
1089 |
ext_ip_script = opts.use_external_mip_script |
1090 |
|
1091 |
if opts.disk_state:
|
1092 |
disk_state = utils.FlatToDict(opts.disk_state) |
1093 |
else:
|
1094 |
disk_state = {} |
1095 |
|
1096 |
hv_state = dict(opts.hv_state)
|
1097 |
|
1098 |
op = opcodes.OpClusterSetParams( |
1099 |
vg_name=vg_name, |
1100 |
drbd_helper=drbd_helper, |
1101 |
enabled_hypervisors=hvlist, |
1102 |
hvparams=hvparams, |
1103 |
os_hvp=None,
|
1104 |
beparams=beparams, |
1105 |
nicparams=nicparams, |
1106 |
ndparams=ndparams, |
1107 |
diskparams=diskparams, |
1108 |
ipolicy=ipolicy, |
1109 |
candidate_pool_size=opts.candidate_pool_size, |
1110 |
maintain_node_health=mnh, |
1111 |
modify_etc_hosts=opts.modify_etc_hosts, |
1112 |
uid_pool=uid_pool, |
1113 |
add_uids=add_uids, |
1114 |
remove_uids=remove_uids, |
1115 |
default_iallocator=opts.default_iallocator, |
1116 |
prealloc_wipe_disks=opts.prealloc_wipe_disks, |
1117 |
master_netdev=opts.master_netdev, |
1118 |
master_netmask=opts.master_netmask, |
1119 |
reserved_lvs=opts.reserved_lvs, |
1120 |
use_external_mip_script=ext_ip_script, |
1121 |
hv_state=hv_state, |
1122 |
disk_state=disk_state, |
1123 |
enabled_disk_templates=enabled_disk_templates, |
1124 |
force=opts.force, |
1125 |
file_storage_dir=opts.file_storage_dir, |
1126 |
) |
1127 |
SubmitOrSend(op, opts) |
1128 |
return 0 |
1129 |
|
1130 |
|
1131 |
def QueueOps(opts, args): |
1132 |
"""Queue operations.
|
1133 |
|
1134 |
@param opts: the command line options selected by the user
|
1135 |
@type args: list
|
1136 |
@param args: should contain only one element, the subcommand
|
1137 |
@rtype: int
|
1138 |
@return: the desired exit code
|
1139 |
|
1140 |
"""
|
1141 |
command = args[0]
|
1142 |
client = GetClient() |
1143 |
if command in ("drain", "undrain"): |
1144 |
drain_flag = command == "drain"
|
1145 |
client.SetQueueDrainFlag(drain_flag) |
1146 |
elif command == "info": |
1147 |
result = client.QueryConfigValues(["drain_flag"])
|
1148 |
if result[0]: |
1149 |
val = "set"
|
1150 |
else:
|
1151 |
val = "unset"
|
1152 |
ToStdout("The drain flag is %s" % val)
|
1153 |
else:
|
1154 |
raise errors.OpPrereqError("Command '%s' is not valid." % command, |
1155 |
errors.ECODE_INVAL) |
1156 |
|
1157 |
return 0 |
1158 |
|
1159 |
|
1160 |
def _ShowWatcherPause(until): |
1161 |
if until is None or until < time.time(): |
1162 |
ToStdout("The watcher is not paused.")
|
1163 |
else:
|
1164 |
ToStdout("The watcher is paused until %s.", time.ctime(until))
|
1165 |
|
1166 |
|
1167 |
def WatcherOps(opts, args): |
1168 |
"""Watcher operations.
|
1169 |
|
1170 |
@param opts: the command line options selected by the user
|
1171 |
@type args: list
|
1172 |
@param args: should contain only one element, the subcommand
|
1173 |
@rtype: int
|
1174 |
@return: the desired exit code
|
1175 |
|
1176 |
"""
|
1177 |
command = args[0]
|
1178 |
client = GetClient() |
1179 |
|
1180 |
if command == "continue": |
1181 |
client.SetWatcherPause(None)
|
1182 |
ToStdout("The watcher is no longer paused.")
|
1183 |
|
1184 |
elif command == "pause": |
1185 |
if len(args) < 2: |
1186 |
raise errors.OpPrereqError("Missing pause duration", errors.ECODE_INVAL) |
1187 |
|
1188 |
result = client.SetWatcherPause(time.time() + ParseTimespec(args[1]))
|
1189 |
_ShowWatcherPause(result) |
1190 |
|
1191 |
elif command == "info": |
1192 |
result = client.QueryConfigValues(["watcher_pause"])
|
1193 |
_ShowWatcherPause(result[0])
|
1194 |
|
1195 |
else:
|
1196 |
raise errors.OpPrereqError("Command '%s' is not valid." % command, |
1197 |
errors.ECODE_INVAL) |
1198 |
|
1199 |
return 0 |
1200 |
|
1201 |
|
1202 |
def _OobPower(opts, node_list, power): |
1203 |
"""Puts the node in the list to desired power state.
|
1204 |
|
1205 |
@param opts: The command line options selected by the user
|
1206 |
@param node_list: The list of nodes to operate on
|
1207 |
@param power: True if they should be powered on, False otherwise
|
1208 |
@return: The success of the operation (none failed)
|
1209 |
|
1210 |
"""
|
1211 |
if power:
|
1212 |
command = constants.OOB_POWER_ON |
1213 |
else:
|
1214 |
command = constants.OOB_POWER_OFF |
1215 |
|
1216 |
op = opcodes.OpOobCommand(node_names=node_list, |
1217 |
command=command, |
1218 |
ignore_status=True,
|
1219 |
timeout=opts.oob_timeout, |
1220 |
power_delay=opts.power_delay) |
1221 |
result = SubmitOpCode(op, opts=opts) |
1222 |
errs = 0
|
1223 |
for node_result in result: |
1224 |
(node_tuple, data_tuple) = node_result |
1225 |
(_, node_name) = node_tuple |
1226 |
(data_status, _) = data_tuple |
1227 |
if data_status != constants.RS_NORMAL:
|
1228 |
assert data_status != constants.RS_UNAVAIL
|
1229 |
errs += 1
|
1230 |
ToStderr("There was a problem changing power for %s, please investigate",
|
1231 |
node_name) |
1232 |
|
1233 |
if errs > 0: |
1234 |
return False |
1235 |
|
1236 |
return True |
1237 |
|
1238 |
|
1239 |
def _InstanceStart(opts, inst_list, start, no_remember=False): |
1240 |
"""Puts the instances in the list to desired state.
|
1241 |
|
1242 |
@param opts: The command line options selected by the user
|
1243 |
@param inst_list: The list of instances to operate on
|
1244 |
@param start: True if they should be started, False for shutdown
|
1245 |
@param no_remember: If the instance state should be remembered
|
1246 |
@return: The success of the operation (none failed)
|
1247 |
|
1248 |
"""
|
1249 |
if start:
|
1250 |
opcls = opcodes.OpInstanceStartup |
1251 |
text_submit, text_success, text_failed = ("startup", "started", "starting") |
1252 |
else:
|
1253 |
opcls = compat.partial(opcodes.OpInstanceShutdown, |
1254 |
timeout=opts.shutdown_timeout, |
1255 |
no_remember=no_remember) |
1256 |
text_submit, text_success, text_failed = ("shutdown", "stopped", "stopping") |
1257 |
|
1258 |
jex = JobExecutor(opts=opts) |
1259 |
|
1260 |
for inst in inst_list: |
1261 |
ToStdout("Submit %s of instance %s", text_submit, inst)
|
1262 |
op = opcls(instance_name=inst) |
1263 |
jex.QueueJob(inst, op) |
1264 |
|
1265 |
results = jex.GetResults() |
1266 |
bad_cnt = len([1 for (success, _) in results if not success]) |
1267 |
|
1268 |
if bad_cnt == 0: |
1269 |
ToStdout("All instances have been %s successfully", text_success)
|
1270 |
else:
|
1271 |
ToStderr("There were errors while %s instances:\n"
|
1272 |
"%d error(s) out of %d instance(s)", text_failed, bad_cnt,
|
1273 |
len(results))
|
1274 |
return False |
1275 |
|
1276 |
return True |
1277 |
|
1278 |
|
1279 |
class _RunWhenNodesReachableHelper: |
1280 |
"""Helper class to make shared internal state sharing easier.
|
1281 |
|
1282 |
@ivar success: Indicates if all action_cb calls were successful
|
1283 |
|
1284 |
"""
|
1285 |
def __init__(self, node_list, action_cb, node2ip, port, feedback_fn, |
1286 |
_ping_fn=netutils.TcpPing, _sleep_fn=time.sleep): |
1287 |
"""Init the object.
|
1288 |
|
1289 |
@param node_list: The list of nodes to be reachable
|
1290 |
@param action_cb: Callback called when a new host is reachable
|
1291 |
@type node2ip: dict
|
1292 |
@param node2ip: Node to ip mapping
|
1293 |
@param port: The port to use for the TCP ping
|
1294 |
@param feedback_fn: The function used for feedback
|
1295 |
@param _ping_fn: Function to check reachabilty (for unittest use only)
|
1296 |
@param _sleep_fn: Function to sleep (for unittest use only)
|
1297 |
|
1298 |
"""
|
1299 |
self.down = set(node_list) |
1300 |
self.up = set() |
1301 |
self.node2ip = node2ip
|
1302 |
self.success = True |
1303 |
self.action_cb = action_cb
|
1304 |
self.port = port
|
1305 |
self.feedback_fn = feedback_fn
|
1306 |
self._ping_fn = _ping_fn
|
1307 |
self._sleep_fn = _sleep_fn
|
1308 |
|
1309 |
def __call__(self): |
1310 |
"""When called we run action_cb.
|
1311 |
|
1312 |
@raises utils.RetryAgain: When there are still down nodes
|
1313 |
|
1314 |
"""
|
1315 |
if not self.action_cb(self.up): |
1316 |
self.success = False |
1317 |
|
1318 |
if self.down: |
1319 |
raise utils.RetryAgain()
|
1320 |
else:
|
1321 |
return self.success |
1322 |
|
1323 |
def Wait(self, secs): |
1324 |
"""Checks if a host is up or waits remaining seconds.
|
1325 |
|
1326 |
@param secs: The secs remaining
|
1327 |
|
1328 |
"""
|
1329 |
start = time.time() |
1330 |
for node in self.down: |
1331 |
if self._ping_fn(self.node2ip[node], self.port, timeout=_EPO_PING_TIMEOUT, |
1332 |
live_port_needed=True):
|
1333 |
self.feedback_fn("Node %s became available" % node) |
1334 |
self.up.add(node)
|
1335 |
self.down -= self.up |
1336 |
# If we have a node available there is the possibility to run the
|
1337 |
# action callback successfully, therefore we don't wait and return
|
1338 |
return
|
1339 |
|
1340 |
self._sleep_fn(max(0.0, start + secs - time.time())) |
1341 |
|
1342 |
|
1343 |
def _RunWhenNodesReachable(node_list, action_cb, interval): |
1344 |
"""Run action_cb when nodes become reachable.
|
1345 |
|
1346 |
@param node_list: The list of nodes to be reachable
|
1347 |
@param action_cb: Callback called when a new host is reachable
|
1348 |
@param interval: The earliest time to retry
|
1349 |
|
1350 |
"""
|
1351 |
client = GetClient() |
1352 |
cluster_info = client.QueryClusterInfo() |
1353 |
if cluster_info["primary_ip_version"] == constants.IP4_VERSION: |
1354 |
family = netutils.IPAddress.family |
1355 |
else:
|
1356 |
family = netutils.IP6Address.family |
1357 |
|
1358 |
node2ip = dict((node, netutils.GetHostname(node, family=family).ip)
|
1359 |
for node in node_list) |
1360 |
|
1361 |
port = netutils.GetDaemonPort(constants.NODED) |
1362 |
helper = _RunWhenNodesReachableHelper(node_list, action_cb, node2ip, port, |
1363 |
ToStdout) |
1364 |
|
1365 |
try:
|
1366 |
return utils.Retry(helper, interval, _EPO_REACHABLE_TIMEOUT,
|
1367 |
wait_fn=helper.Wait) |
1368 |
except utils.RetryTimeout:
|
1369 |
ToStderr("Time exceeded while waiting for nodes to become reachable"
|
1370 |
" again:\n - %s", " - ".join(helper.down)) |
1371 |
return False |
1372 |
|
1373 |
|
1374 |
def _MaybeInstanceStartup(opts, inst_map, nodes_online, |
1375 |
_instance_start_fn=_InstanceStart): |
1376 |
"""Start the instances conditional based on node_states.
|
1377 |
|
1378 |
@param opts: The command line options selected by the user
|
1379 |
@param inst_map: A dict of inst -> nodes mapping
|
1380 |
@param nodes_online: A list of nodes online
|
1381 |
@param _instance_start_fn: Callback to start instances (unittest use only)
|
1382 |
@return: Success of the operation on all instances
|
1383 |
|
1384 |
"""
|
1385 |
start_inst_list = [] |
1386 |
for (inst, nodes) in inst_map.items(): |
1387 |
if not (nodes - nodes_online): |
1388 |
# All nodes the instance lives on are back online
|
1389 |
start_inst_list.append(inst) |
1390 |
|
1391 |
for inst in start_inst_list: |
1392 |
del inst_map[inst]
|
1393 |
|
1394 |
if start_inst_list:
|
1395 |
return _instance_start_fn(opts, start_inst_list, True) |
1396 |
|
1397 |
return True |
1398 |
|
1399 |
|
1400 |
def _EpoOn(opts, full_node_list, node_list, inst_map): |
1401 |
"""Does the actual power on.
|
1402 |
|
1403 |
@param opts: The command line options selected by the user
|
1404 |
@param full_node_list: All nodes to operate on (includes nodes not supporting
|
1405 |
OOB)
|
1406 |
@param node_list: The list of nodes to operate on (all need to support OOB)
|
1407 |
@param inst_map: A dict of inst -> nodes mapping
|
1408 |
@return: The desired exit status
|
1409 |
|
1410 |
"""
|
1411 |
if node_list and not _OobPower(opts, node_list, False): |
1412 |
ToStderr("Not all nodes seem to get back up, investigate and start"
|
1413 |
" manually if needed")
|
1414 |
|
1415 |
# Wait for the nodes to be back up
|
1416 |
action_cb = compat.partial(_MaybeInstanceStartup, opts, dict(inst_map))
|
1417 |
|
1418 |
ToStdout("Waiting until all nodes are available again")
|
1419 |
if not _RunWhenNodesReachable(full_node_list, action_cb, _EPO_PING_INTERVAL): |
1420 |
ToStderr("Please investigate and start stopped instances manually")
|
1421 |
return constants.EXIT_FAILURE
|
1422 |
|
1423 |
return constants.EXIT_SUCCESS
|
1424 |
|
1425 |
|
1426 |
def _EpoOff(opts, node_list, inst_map): |
1427 |
"""Does the actual power off.
|
1428 |
|
1429 |
@param opts: The command line options selected by the user
|
1430 |
@param node_list: The list of nodes to operate on (all need to support OOB)
|
1431 |
@param inst_map: A dict of inst -> nodes mapping
|
1432 |
@return: The desired exit status
|
1433 |
|
1434 |
"""
|
1435 |
if not _InstanceStart(opts, inst_map.keys(), False, no_remember=True): |
1436 |
ToStderr("Please investigate and stop instances manually before continuing")
|
1437 |
return constants.EXIT_FAILURE
|
1438 |
|
1439 |
if not node_list: |
1440 |
return constants.EXIT_SUCCESS
|
1441 |
|
1442 |
if _OobPower(opts, node_list, False): |
1443 |
return constants.EXIT_SUCCESS
|
1444 |
else:
|
1445 |
return constants.EXIT_FAILURE
|
1446 |
|
1447 |
|
1448 |
def Epo(opts, args, cl=None, _on_fn=_EpoOn, _off_fn=_EpoOff, |
1449 |
_confirm_fn=ConfirmOperation, |
1450 |
_stdout_fn=ToStdout, _stderr_fn=ToStderr): |
1451 |
"""EPO operations.
|
1452 |
|
1453 |
@param opts: the command line options selected by the user
|
1454 |
@type args: list
|
1455 |
@param args: should contain only one element, the subcommand
|
1456 |
@rtype: int
|
1457 |
@return: the desired exit code
|
1458 |
|
1459 |
"""
|
1460 |
if opts.groups and opts.show_all: |
1461 |
_stderr_fn("Only one of --groups or --all are allowed")
|
1462 |
return constants.EXIT_FAILURE
|
1463 |
elif args and opts.show_all: |
1464 |
_stderr_fn("Arguments in combination with --all are not allowed")
|
1465 |
return constants.EXIT_FAILURE
|
1466 |
|
1467 |
if cl is None: |
1468 |
cl = GetClient() |
1469 |
|
1470 |
if opts.groups:
|
1471 |
node_query_list = \ |
1472 |
itertools.chain(*cl.QueryGroups(args, ["node_list"], False)) |
1473 |
else:
|
1474 |
node_query_list = args |
1475 |
|
1476 |
result = cl.QueryNodes(node_query_list, ["name", "master", "pinst_list", |
1477 |
"sinst_list", "powered", "offline"], |
1478 |
False)
|
1479 |
|
1480 |
all_nodes = map(compat.fst, result)
|
1481 |
node_list = [] |
1482 |
inst_map = {} |
1483 |
for (node, master, pinsts, sinsts, powered, offline) in result: |
1484 |
if not offline: |
1485 |
for inst in (pinsts + sinsts): |
1486 |
if inst in inst_map: |
1487 |
if not master: |
1488 |
inst_map[inst].add(node) |
1489 |
elif master:
|
1490 |
inst_map[inst] = set()
|
1491 |
else:
|
1492 |
inst_map[inst] = set([node])
|
1493 |
|
1494 |
if master and opts.on: |
1495 |
# We ignore the master for turning on the machines, in fact we are
|
1496 |
# already operating on the master at this point :)
|
1497 |
continue
|
1498 |
elif master and not opts.show_all: |
1499 |
_stderr_fn("%s is the master node, please do a master-failover to another"
|
1500 |
" node not affected by the EPO or use --all if you intend to"
|
1501 |
" shutdown the whole cluster", node)
|
1502 |
return constants.EXIT_FAILURE
|
1503 |
elif powered is None: |
1504 |
_stdout_fn("Node %s does not support out-of-band handling, it can not be"
|
1505 |
" handled in a fully automated manner", node)
|
1506 |
elif powered == opts.on:
|
1507 |
_stdout_fn("Node %s is already in desired power state, skipping", node)
|
1508 |
elif not offline or (offline and powered): |
1509 |
node_list.append(node) |
1510 |
|
1511 |
if not (opts.force or _confirm_fn(all_nodes, "nodes", "epo")): |
1512 |
return constants.EXIT_FAILURE
|
1513 |
|
1514 |
if opts.on:
|
1515 |
return _on_fn(opts, all_nodes, node_list, inst_map)
|
1516 |
else:
|
1517 |
return _off_fn(opts, node_list, inst_map)
|
1518 |
|
1519 |
|
1520 |
def _GetCreateCommand(info): |
1521 |
buf = StringIO() |
1522 |
buf.write("gnt-cluster init")
|
1523 |
PrintIPolicyCommand(buf, info["ipolicy"], False) |
1524 |
buf.write(" ")
|
1525 |
buf.write(info["name"])
|
1526 |
return buf.getvalue()
|
1527 |
|
1528 |
|
1529 |
def ShowCreateCommand(opts, args): |
1530 |
"""Shows the command that can be used to re-create the cluster.
|
1531 |
|
1532 |
Currently it works only for ipolicy specs.
|
1533 |
|
1534 |
"""
|
1535 |
cl = GetClient(query=True)
|
1536 |
result = cl.QueryClusterInfo() |
1537 |
ToStdout(_GetCreateCommand(result)) |
1538 |
|
1539 |
|
1540 |
commands = { |
1541 |
"init": (
|
1542 |
InitCluster, [ArgHost(min=1, max=1)], |
1543 |
[BACKEND_OPT, CP_SIZE_OPT, ENABLED_HV_OPT, GLOBAL_FILEDIR_OPT, |
1544 |
HVLIST_OPT, MAC_PREFIX_OPT, MASTER_NETDEV_OPT, MASTER_NETMASK_OPT, |
1545 |
NIC_PARAMS_OPT, NOLVM_STORAGE_OPT, NOMODIFY_ETCHOSTS_OPT, |
1546 |
NOMODIFY_SSH_SETUP_OPT, SECONDARY_IP_OPT, VG_NAME_OPT, |
1547 |
MAINTAIN_NODE_HEALTH_OPT, UIDPOOL_OPT, DRBD_HELPER_OPT, NODRBD_STORAGE_OPT, |
1548 |
DEFAULT_IALLOCATOR_OPT, PRIMARY_IP_VERSION_OPT, PREALLOC_WIPE_DISKS_OPT, |
1549 |
NODE_PARAMS_OPT, GLOBAL_SHARED_FILEDIR_OPT, USE_EXTERNAL_MIP_SCRIPT, |
1550 |
DISK_PARAMS_OPT, HV_STATE_OPT, DISK_STATE_OPT, ENABLED_DISK_TEMPLATES_OPT, |
1551 |
IPOLICY_STD_SPECS_OPT] + INSTANCE_POLICY_OPTS + SPLIT_ISPECS_OPTS, |
1552 |
"[opts...] <cluster_name>", "Initialises a new cluster configuration"), |
1553 |
"destroy": (
|
1554 |
DestroyCluster, ARGS_NONE, [YES_DOIT_OPT], |
1555 |
"", "Destroy cluster"), |
1556 |
"rename": (
|
1557 |
RenameCluster, [ArgHost(min=1, max=1)], |
1558 |
[FORCE_OPT, DRY_RUN_OPT], |
1559 |
"<new_name>",
|
1560 |
"Renames the cluster"),
|
1561 |
"redist-conf": (
|
1562 |
RedistributeConfig, ARGS_NONE, SUBMIT_OPTS + [DRY_RUN_OPT, PRIORITY_OPT], |
1563 |
"", "Forces a push of the configuration file and ssconf files" |
1564 |
" to the nodes in the cluster"),
|
1565 |
"verify": (
|
1566 |
VerifyCluster, ARGS_NONE, |
1567 |
[VERBOSE_OPT, DEBUG_SIMERR_OPT, ERROR_CODES_OPT, NONPLUS1_OPT, |
1568 |
DRY_RUN_OPT, PRIORITY_OPT, NODEGROUP_OPT, IGNORE_ERRORS_OPT], |
1569 |
"", "Does a check on the cluster configuration"), |
1570 |
"verify-disks": (
|
1571 |
VerifyDisks, ARGS_NONE, [PRIORITY_OPT], |
1572 |
"", "Does a check on the cluster disk status"), |
1573 |
"repair-disk-sizes": (
|
1574 |
RepairDiskSizes, ARGS_MANY_INSTANCES, [DRY_RUN_OPT, PRIORITY_OPT], |
1575 |
"[instance...]", "Updates mismatches in recorded disk sizes"), |
1576 |
"master-failover": (
|
1577 |
MasterFailover, ARGS_NONE, [NOVOTING_OPT, FORCE_FAILOVER], |
1578 |
"", "Makes the current node the master"), |
1579 |
"master-ping": (
|
1580 |
MasterPing, ARGS_NONE, [], |
1581 |
"", "Checks if the master is alive"), |
1582 |
"version": (
|
1583 |
ShowClusterVersion, ARGS_NONE, [], |
1584 |
"", "Shows the cluster version"), |
1585 |
"getmaster": (
|
1586 |
ShowClusterMaster, ARGS_NONE, [], |
1587 |
"", "Shows the cluster master"), |
1588 |
"copyfile": (
|
1589 |
ClusterCopyFile, [ArgFile(min=1, max=1)], |
1590 |
[NODE_LIST_OPT, USE_REPL_NET_OPT, NODEGROUP_OPT], |
1591 |
"[-n node...] <filename>", "Copies a file to all (or only some) nodes"), |
1592 |
"command": (
|
1593 |
RunClusterCommand, [ArgCommand(min=1)],
|
1594 |
[NODE_LIST_OPT, NODEGROUP_OPT, SHOW_MACHINE_OPT, FAILURE_ONLY_OPT], |
1595 |
"[-n node...] <command>", "Runs a command on all (or only some) nodes"), |
1596 |
"info": (
|
1597 |
ShowClusterConfig, ARGS_NONE, [ROMAN_OPT], |
1598 |
"[--roman]", "Show cluster configuration"), |
1599 |
"list-tags": (
|
1600 |
ListTags, ARGS_NONE, [], "", "List the tags of the cluster"), |
1601 |
"add-tags": (
|
1602 |
AddTags, [ArgUnknown()], [TAG_SRC_OPT, PRIORITY_OPT] + SUBMIT_OPTS, |
1603 |
"tag...", "Add tags to the cluster"), |
1604 |
"remove-tags": (
|
1605 |
RemoveTags, [ArgUnknown()], [TAG_SRC_OPT, PRIORITY_OPT] + SUBMIT_OPTS, |
1606 |
"tag...", "Remove tags from the cluster"), |
1607 |
"search-tags": (
|
1608 |
SearchTags, [ArgUnknown(min=1, max=1)], [PRIORITY_OPT], "", |
1609 |
"Searches the tags on all objects on"
|
1610 |
" the cluster for a given pattern (regex)"),
|
1611 |
"queue": (
|
1612 |
QueueOps, |
1613 |
[ArgChoice(min=1, max=1, choices=["drain", "undrain", "info"])], |
1614 |
[], "drain|undrain|info", "Change queue properties"), |
1615 |
"watcher": (
|
1616 |
WatcherOps, |
1617 |
[ArgChoice(min=1, max=1, choices=["pause", "continue", "info"]), |
1618 |
ArgSuggest(min=0, max=1, choices=["30m", "1h", "4h"])], |
1619 |
[], |
1620 |
"{pause <timespec>|continue|info}", "Change watcher properties"), |
1621 |
"modify": (
|
1622 |
SetClusterParams, ARGS_NONE, |
1623 |
[FORCE_OPT, |
1624 |
BACKEND_OPT, CP_SIZE_OPT, ENABLED_HV_OPT, HVLIST_OPT, MASTER_NETDEV_OPT, |
1625 |
MASTER_NETMASK_OPT, NIC_PARAMS_OPT, NOLVM_STORAGE_OPT, VG_NAME_OPT, |
1626 |
MAINTAIN_NODE_HEALTH_OPT, UIDPOOL_OPT, ADD_UIDS_OPT, REMOVE_UIDS_OPT, |
1627 |
DRBD_HELPER_OPT, NODRBD_STORAGE_OPT, DEFAULT_IALLOCATOR_OPT, |
1628 |
RESERVED_LVS_OPT, DRY_RUN_OPT, PRIORITY_OPT, PREALLOC_WIPE_DISKS_OPT, |
1629 |
NODE_PARAMS_OPT, USE_EXTERNAL_MIP_SCRIPT, DISK_PARAMS_OPT, HV_STATE_OPT, |
1630 |
DISK_STATE_OPT] + SUBMIT_OPTS + |
1631 |
[ENABLED_DISK_TEMPLATES_OPT, IPOLICY_STD_SPECS_OPT, MODIFY_ETCHOSTS_OPT] + |
1632 |
INSTANCE_POLICY_OPTS + [GLOBAL_FILEDIR_OPT], |
1633 |
"[opts...]",
|
1634 |
"Alters the parameters of the cluster"),
|
1635 |
"renew-crypto": (
|
1636 |
RenewCrypto, ARGS_NONE, |
1637 |
[NEW_CLUSTER_CERT_OPT, NEW_RAPI_CERT_OPT, RAPI_CERT_OPT, |
1638 |
NEW_CONFD_HMAC_KEY_OPT, FORCE_OPT, |
1639 |
NEW_CLUSTER_DOMAIN_SECRET_OPT, CLUSTER_DOMAIN_SECRET_OPT, |
1640 |
NEW_SPICE_CERT_OPT, SPICE_CERT_OPT, SPICE_CACERT_OPT], |
1641 |
"[opts...]",
|
1642 |
"Renews cluster certificates, keys and secrets"),
|
1643 |
"epo": (
|
1644 |
Epo, [ArgUnknown()], |
1645 |
[FORCE_OPT, ON_OPT, GROUPS_OPT, ALL_OPT, OOB_TIMEOUT_OPT, |
1646 |
SHUTDOWN_TIMEOUT_OPT, POWER_DELAY_OPT], |
1647 |
"[opts...] [args]",
|
1648 |
"Performs an emergency power-off on given args"),
|
1649 |
"activate-master-ip": (
|
1650 |
ActivateMasterIp, ARGS_NONE, [], "", "Activates the master IP"), |
1651 |
"deactivate-master-ip": (
|
1652 |
DeactivateMasterIp, ARGS_NONE, [CONFIRM_OPT], "",
|
1653 |
"Deactivates the master IP"),
|
1654 |
"show-ispecs-cmd": (
|
1655 |
ShowCreateCommand, ARGS_NONE, [], "",
|
1656 |
"Show the command line to re-create the cluster"),
|
1657 |
} |
1658 |
|
1659 |
|
1660 |
#: dictionary with aliases for commands
|
1661 |
aliases = { |
1662 |
"masterfailover": "master-failover", |
1663 |
"show": "info", |
1664 |
} |
1665 |
|
1666 |
|
1667 |
def Main(): |
1668 |
return GenericMain(commands, override={"tag_type": constants.TAG_CLUSTER}, |
1669 |
aliases=aliases) |