root / lib / client / gnt_cluster.py @ c4929a8b
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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=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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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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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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_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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@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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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_raw = \ |
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objects.CreateIPolicyFromOpts(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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ipolicy = objects.FillDictOfDicts(constants.IPOLICY_DEFAULTS, ipolicy_raw) |
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for value in ipolicy.values(): |
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utils.ForceDictType(value, constants.ISPECS_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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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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) |
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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 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() |
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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(" - master netmask: %s", result["master_netmask"]) |
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ToStdout(" - use external master IP address setup script: %s",
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result["use_external_mip_script"])
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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(" - OS search path: %s", utils.CommaJoin(constants.OS_SEARCH_PATH))
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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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|
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ToStdout("Instance policy - limits for instances:")
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for key in constants.IPOLICY_PARAMETERS: |
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ToStdout(" - %s", key)
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_PrintGroupedParams(result["ipolicy"][key], roman=opts.roman_integers)
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return 0 |
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|
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|
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def ClusterCopyFile(opts, args): |
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"""Copy a file from master to some nodes.
|
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|
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@param opts: the command line options selected by the user
|
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@type args: list
|
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@param args: should contain only one element, the path of
|
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the file to be copied
|
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@rtype: int
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@return: the desired exit code
|
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|
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"""
|
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filename = args[0]
|
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if not os.path.exists(filename): |
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raise errors.OpPrereqError("No such filename '%s'" % filename, |
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errors.ECODE_INVAL) |
483 |
|
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cl = GetClient() |
485 |
|
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cluster_name = cl.QueryConfigValues(["cluster_name"])[0] |
487 |
|
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results = GetOnlineNodes(nodes=opts.nodes, cl=cl, filter_master=True,
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secondary_ips=opts.use_replication_network, |
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nodegroup=opts.nodegroup) |
491 |
|
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srun = ssh.SshRunner(cluster_name=cluster_name) |
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for node in results: |
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if not srun.CopyFileToNode(node, filename): |
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ToStderr("Copy of file %s to node %s failed", filename, node)
|
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|
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return 0 |
498 |
|
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|
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def RunClusterCommand(opts, args): |
501 |
"""Run a command on some nodes.
|
502 |
|
503 |
@param opts: the command line options selected by the user
|
504 |
@type args: list
|
505 |
@param args: should contain the command to be run and its arguments
|
506 |
@rtype: int
|
507 |
@return: the desired exit code
|
508 |
|
509 |
"""
|
510 |
cl = GetClient() |
511 |
|
512 |
command = " ".join(args)
|
513 |
|
514 |
nodes = GetOnlineNodes(nodes=opts.nodes, cl=cl, nodegroup=opts.nodegroup) |
515 |
|
516 |
cluster_name, master_node = cl.QueryConfigValues(["cluster_name",
|
517 |
"master_node"])
|
518 |
|
519 |
srun = ssh.SshRunner(cluster_name=cluster_name) |
520 |
|
521 |
# Make sure master node is at list end
|
522 |
if master_node in nodes: |
523 |
nodes.remove(master_node) |
524 |
nodes.append(master_node) |
525 |
|
526 |
for name in nodes: |
527 |
result = srun.Run(name, "root", command)
|
528 |
ToStdout("------------------------------------------------")
|
529 |
ToStdout("node: %s", name)
|
530 |
ToStdout("%s", result.output)
|
531 |
ToStdout("return code = %s", result.exit_code)
|
532 |
|
533 |
return 0 |
534 |
|
535 |
|
536 |
def VerifyCluster(opts, args): |
537 |
"""Verify integrity of cluster, performing various test on nodes.
|
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 |
skip_checks = [] |
547 |
|
548 |
if opts.skip_nplusone_mem:
|
549 |
skip_checks.append(constants.VERIFY_NPLUSONE_MEM) |
550 |
|
551 |
cl = GetClient() |
552 |
|
553 |
op = opcodes.OpClusterVerify(verbose=opts.verbose, |
554 |
error_codes=opts.error_codes, |
555 |
debug_simulate_errors=opts.simulate_errors, |
556 |
skip_checks=skip_checks, |
557 |
ignore_errors=opts.ignore_errors, |
558 |
group_name=opts.nodegroup) |
559 |
result = SubmitOpCode(op, cl=cl, opts=opts) |
560 |
|
561 |
# Keep track of submitted jobs
|
562 |
jex = JobExecutor(cl=cl, opts=opts) |
563 |
|
564 |
for (status, job_id) in result[constants.JOB_IDS_KEY]: |
565 |
jex.AddJobId(None, status, job_id)
|
566 |
|
567 |
results = jex.GetResults() |
568 |
|
569 |
(bad_jobs, bad_results) = \ |
570 |
map(len, |
571 |
# Convert iterators to lists
|
572 |
map(list, |
573 |
# Count errors
|
574 |
map(compat.partial(itertools.ifilterfalse, bool), |
575 |
# Convert result to booleans in a tuple
|
576 |
zip(*((job_success, len(op_results) == 1 and op_results[0]) |
577 |
for (job_success, op_results) in results))))) |
578 |
|
579 |
if bad_jobs == 0 and bad_results == 0: |
580 |
rcode = constants.EXIT_SUCCESS |
581 |
else:
|
582 |
rcode = constants.EXIT_FAILURE |
583 |
if bad_jobs > 0: |
584 |
ToStdout("%s job(s) failed while verifying the cluster.", bad_jobs)
|
585 |
|
586 |
return rcode
|
587 |
|
588 |
|
589 |
def VerifyDisks(opts, args): |
590 |
"""Verify integrity of cluster disks.
|
591 |
|
592 |
@param opts: the command line options selected by the user
|
593 |
@type args: list
|
594 |
@param args: should be an empty list
|
595 |
@rtype: int
|
596 |
@return: the desired exit code
|
597 |
|
598 |
"""
|
599 |
cl = GetClient() |
600 |
|
601 |
op = opcodes.OpClusterVerifyDisks() |
602 |
|
603 |
result = SubmitOpCode(op, cl=cl, opts=opts) |
604 |
|
605 |
# Keep track of submitted jobs
|
606 |
jex = JobExecutor(cl=cl, opts=opts) |
607 |
|
608 |
for (status, job_id) in result[constants.JOB_IDS_KEY]: |
609 |
jex.AddJobId(None, status, job_id)
|
610 |
|
611 |
retcode = constants.EXIT_SUCCESS |
612 |
|
613 |
for (status, result) in jex.GetResults(): |
614 |
if not status: |
615 |
ToStdout("Job failed: %s", result)
|
616 |
continue
|
617 |
|
618 |
((bad_nodes, instances, missing), ) = result |
619 |
|
620 |
for node, text in bad_nodes.items(): |
621 |
ToStdout("Error gathering data on node %s: %s",
|
622 |
node, utils.SafeEncode(text[-400:]))
|
623 |
retcode = constants.EXIT_FAILURE |
624 |
ToStdout("You need to fix these nodes first before fixing instances")
|
625 |
|
626 |
for iname in instances: |
627 |
if iname in missing: |
628 |
continue
|
629 |
op = opcodes.OpInstanceActivateDisks(instance_name=iname) |
630 |
try:
|
631 |
ToStdout("Activating disks for instance '%s'", iname)
|
632 |
SubmitOpCode(op, opts=opts, cl=cl) |
633 |
except errors.GenericError, err:
|
634 |
nret, msg = FormatError(err) |
635 |
retcode |= nret |
636 |
ToStderr("Error activating disks for instance %s: %s", iname, msg)
|
637 |
|
638 |
if missing:
|
639 |
for iname, ival in missing.iteritems(): |
640 |
all_missing = compat.all(x[0] in bad_nodes for x in ival) |
641 |
if all_missing:
|
642 |
ToStdout("Instance %s cannot be verified as it lives on"
|
643 |
" broken nodes", iname)
|
644 |
else:
|
645 |
ToStdout("Instance %s has missing logical volumes:", iname)
|
646 |
ival.sort() |
647 |
for node, vol in ival: |
648 |
if node in bad_nodes: |
649 |
ToStdout("\tbroken node %s /dev/%s", node, vol)
|
650 |
else:
|
651 |
ToStdout("\t%s /dev/%s", node, vol)
|
652 |
|
653 |
ToStdout("You need to replace or recreate disks for all the above"
|
654 |
" instances if this message persists after fixing broken nodes.")
|
655 |
retcode = constants.EXIT_FAILURE |
656 |
|
657 |
return retcode
|
658 |
|
659 |
|
660 |
def RepairDiskSizes(opts, args): |
661 |
"""Verify sizes of cluster disks.
|
662 |
|
663 |
@param opts: the command line options selected by the user
|
664 |
@type args: list
|
665 |
@param args: optional list of instances to restrict check to
|
666 |
@rtype: int
|
667 |
@return: the desired exit code
|
668 |
|
669 |
"""
|
670 |
op = opcodes.OpClusterRepairDiskSizes(instances=args) |
671 |
SubmitOpCode(op, opts=opts) |
672 |
|
673 |
|
674 |
@UsesRPC
|
675 |
def MasterFailover(opts, args): |
676 |
"""Failover the master node.
|
677 |
|
678 |
This command, when run on a non-master node, will cause the current
|
679 |
master to cease being master, and the non-master to become new
|
680 |
master.
|
681 |
|
682 |
@param opts: the command line options selected by the user
|
683 |
@type args: list
|
684 |
@param args: should be an empty list
|
685 |
@rtype: int
|
686 |
@return: the desired exit code
|
687 |
|
688 |
"""
|
689 |
if opts.no_voting:
|
690 |
usertext = ("This will perform the failover even if most other nodes"
|
691 |
" are down, or if this node is outdated. This is dangerous"
|
692 |
" as it can lead to a non-consistent cluster. Check the"
|
693 |
" gnt-cluster(8) man page before proceeding. Continue?")
|
694 |
if not AskUser(usertext): |
695 |
return 1 |
696 |
|
697 |
return bootstrap.MasterFailover(no_voting=opts.no_voting)
|
698 |
|
699 |
|
700 |
def MasterPing(opts, args): |
701 |
"""Checks if the master is alive.
|
702 |
|
703 |
@param opts: the command line options selected by the user
|
704 |
@type args: list
|
705 |
@param args: should be an empty list
|
706 |
@rtype: int
|
707 |
@return: the desired exit code
|
708 |
|
709 |
"""
|
710 |
try:
|
711 |
cl = GetClient() |
712 |
cl.QueryClusterInfo() |
713 |
return 0 |
714 |
except Exception: # pylint: disable=W0703 |
715 |
return 1 |
716 |
|
717 |
|
718 |
def SearchTags(opts, args): |
719 |
"""Searches the tags on all the cluster.
|
720 |
|
721 |
@param opts: the command line options selected by the user
|
722 |
@type args: list
|
723 |
@param args: should contain only one element, the tag pattern
|
724 |
@rtype: int
|
725 |
@return: the desired exit code
|
726 |
|
727 |
"""
|
728 |
op = opcodes.OpTagsSearch(pattern=args[0])
|
729 |
result = SubmitOpCode(op, opts=opts) |
730 |
if not result: |
731 |
return 1 |
732 |
result = list(result)
|
733 |
result.sort() |
734 |
for path, tag in result: |
735 |
ToStdout("%s %s", path, tag)
|
736 |
|
737 |
|
738 |
def _ReadAndVerifyCert(cert_filename, verify_private_key=False): |
739 |
"""Reads and verifies an X509 certificate.
|
740 |
|
741 |
@type cert_filename: string
|
742 |
@param cert_filename: the path of the file containing the certificate to
|
743 |
verify encoded in PEM format
|
744 |
@type verify_private_key: bool
|
745 |
@param verify_private_key: whether to verify the private key in addition to
|
746 |
the public certificate
|
747 |
@rtype: string
|
748 |
@return: a string containing the PEM-encoded certificate.
|
749 |
|
750 |
"""
|
751 |
try:
|
752 |
pem = utils.ReadFile(cert_filename) |
753 |
except IOError, err: |
754 |
raise errors.X509CertError(cert_filename,
|
755 |
"Unable to read certificate: %s" % str(err)) |
756 |
|
757 |
try:
|
758 |
OpenSSL.crypto.load_certificate(OpenSSL.crypto.FILETYPE_PEM, pem) |
759 |
except Exception, err: |
760 |
raise errors.X509CertError(cert_filename,
|
761 |
"Unable to load certificate: %s" % str(err)) |
762 |
|
763 |
if verify_private_key:
|
764 |
try:
|
765 |
OpenSSL.crypto.load_privatekey(OpenSSL.crypto.FILETYPE_PEM, pem) |
766 |
except Exception, err: |
767 |
raise errors.X509CertError(cert_filename,
|
768 |
"Unable to load private key: %s" % str(err)) |
769 |
|
770 |
return pem
|
771 |
|
772 |
|
773 |
def _RenewCrypto(new_cluster_cert, new_rapi_cert, #pylint: disable=R0911 |
774 |
rapi_cert_filename, new_spice_cert, spice_cert_filename, |
775 |
spice_cacert_filename, new_confd_hmac_key, new_cds, |
776 |
cds_filename, force): |
777 |
"""Renews cluster certificates, keys and secrets.
|
778 |
|
779 |
@type new_cluster_cert: bool
|
780 |
@param new_cluster_cert: Whether to generate a new cluster certificate
|
781 |
@type new_rapi_cert: bool
|
782 |
@param new_rapi_cert: Whether to generate a new RAPI certificate
|
783 |
@type rapi_cert_filename: string
|
784 |
@param rapi_cert_filename: Path to file containing new RAPI certificate
|
785 |
@type new_spice_cert: bool
|
786 |
@param new_spice_cert: Whether to generate a new SPICE certificate
|
787 |
@type spice_cert_filename: string
|
788 |
@param spice_cert_filename: Path to file containing new SPICE certificate
|
789 |
@type spice_cacert_filename: string
|
790 |
@param spice_cacert_filename: Path to file containing the certificate of the
|
791 |
CA that signed the SPICE certificate
|
792 |
@type new_confd_hmac_key: bool
|
793 |
@param new_confd_hmac_key: Whether to generate a new HMAC key
|
794 |
@type new_cds: bool
|
795 |
@param new_cds: Whether to generate a new cluster domain secret
|
796 |
@type cds_filename: string
|
797 |
@param cds_filename: Path to file containing new cluster domain secret
|
798 |
@type force: bool
|
799 |
@param force: Whether to ask user for confirmation
|
800 |
|
801 |
"""
|
802 |
if new_rapi_cert and rapi_cert_filename: |
803 |
ToStderr("Only one of the --new-rapi-certificate and --rapi-certificate"
|
804 |
" options can be specified at the same time.")
|
805 |
return 1 |
806 |
|
807 |
if new_cds and cds_filename: |
808 |
ToStderr("Only one of the --new-cluster-domain-secret and"
|
809 |
" --cluster-domain-secret options can be specified at"
|
810 |
" the same time.")
|
811 |
return 1 |
812 |
|
813 |
if new_spice_cert and (spice_cert_filename or spice_cacert_filename): |
814 |
ToStderr("When using --new-spice-certificate, the --spice-certificate"
|
815 |
" and --spice-ca-certificate must not be used.")
|
816 |
return 1 |
817 |
|
818 |
if bool(spice_cacert_filename) ^ bool(spice_cert_filename): |
819 |
ToStderr("Both --spice-certificate and --spice-ca-certificate must be"
|
820 |
" specified.")
|
821 |
return 1 |
822 |
|
823 |
rapi_cert_pem, spice_cert_pem, spice_cacert_pem = (None, None, None) |
824 |
try:
|
825 |
if rapi_cert_filename:
|
826 |
rapi_cert_pem = _ReadAndVerifyCert(rapi_cert_filename, True)
|
827 |
if spice_cert_filename:
|
828 |
spice_cert_pem = _ReadAndVerifyCert(spice_cert_filename, True)
|
829 |
spice_cacert_pem = _ReadAndVerifyCert(spice_cacert_filename) |
830 |
except errors.X509CertError, err:
|
831 |
ToStderr("Unable to load X509 certificate from %s: %s", err[0], err[1]) |
832 |
return 1 |
833 |
|
834 |
if cds_filename:
|
835 |
try:
|
836 |
cds = utils.ReadFile(cds_filename) |
837 |
except Exception, err: # pylint: disable=W0703 |
838 |
ToStderr("Can't load new cluster domain secret from %s: %s" %
|
839 |
(cds_filename, str(err)))
|
840 |
return 1 |
841 |
else:
|
842 |
cds = None
|
843 |
|
844 |
if not force: |
845 |
usertext = ("This requires all daemons on all nodes to be restarted and"
|
846 |
" may take some time. Continue?")
|
847 |
if not AskUser(usertext): |
848 |
return 1 |
849 |
|
850 |
def _RenewCryptoInner(ctx): |
851 |
ctx.feedback_fn("Updating certificates and keys")
|
852 |
bootstrap.GenerateClusterCrypto(new_cluster_cert, |
853 |
new_rapi_cert, |
854 |
new_spice_cert, |
855 |
new_confd_hmac_key, |
856 |
new_cds, |
857 |
rapi_cert_pem=rapi_cert_pem, |
858 |
spice_cert_pem=spice_cert_pem, |
859 |
spice_cacert_pem=spice_cacert_pem, |
860 |
cds=cds) |
861 |
|
862 |
files_to_copy = [] |
863 |
|
864 |
if new_cluster_cert:
|
865 |
files_to_copy.append(constants.NODED_CERT_FILE) |
866 |
|
867 |
if new_rapi_cert or rapi_cert_pem: |
868 |
files_to_copy.append(constants.RAPI_CERT_FILE) |
869 |
|
870 |
if new_spice_cert or spice_cert_pem: |
871 |
files_to_copy.append(constants.SPICE_CERT_FILE) |
872 |
files_to_copy.append(constants.SPICE_CACERT_FILE) |
873 |
|
874 |
if new_confd_hmac_key:
|
875 |
files_to_copy.append(constants.CONFD_HMAC_KEY) |
876 |
|
877 |
if new_cds or cds: |
878 |
files_to_copy.append(constants.CLUSTER_DOMAIN_SECRET_FILE) |
879 |
|
880 |
if files_to_copy:
|
881 |
for node_name in ctx.nonmaster_nodes: |
882 |
ctx.feedback_fn("Copying %s to %s" %
|
883 |
(", ".join(files_to_copy), node_name))
|
884 |
for file_name in files_to_copy: |
885 |
ctx.ssh.CopyFileToNode(node_name, file_name) |
886 |
|
887 |
RunWhileClusterStopped(ToStdout, _RenewCryptoInner) |
888 |
|
889 |
ToStdout("All requested certificates and keys have been replaced."
|
890 |
" Running \"gnt-cluster verify\" now is recommended.")
|
891 |
|
892 |
return 0 |
893 |
|
894 |
|
895 |
def RenewCrypto(opts, args): |
896 |
"""Renews cluster certificates, keys and secrets.
|
897 |
|
898 |
"""
|
899 |
return _RenewCrypto(opts.new_cluster_cert,
|
900 |
opts.new_rapi_cert, |
901 |
opts.rapi_cert, |
902 |
opts.new_spice_cert, |
903 |
opts.spice_cert, |
904 |
opts.spice_cacert, |
905 |
opts.new_confd_hmac_key, |
906 |
opts.new_cluster_domain_secret, |
907 |
opts.cluster_domain_secret, |
908 |
opts.force) |
909 |
|
910 |
|
911 |
def SetClusterParams(opts, args): |
912 |
"""Modify the cluster.
|
913 |
|
914 |
@param opts: the command line options selected by the user
|
915 |
@type args: list
|
916 |
@param args: should be an empty list
|
917 |
@rtype: int
|
918 |
@return: the desired exit code
|
919 |
|
920 |
"""
|
921 |
if not (not opts.lvm_storage or opts.vg_name or |
922 |
not opts.drbd_storage or opts.drbd_helper or |
923 |
opts.enabled_hypervisors or opts.hvparams or |
924 |
opts.beparams or opts.nicparams or |
925 |
opts.ndparams or opts.diskparams or |
926 |
opts.candidate_pool_size is not None or |
927 |
opts.uid_pool is not None or |
928 |
opts.maintain_node_health is not None or |
929 |
opts.add_uids is not None or |
930 |
opts.remove_uids is not None or |
931 |
opts.default_iallocator is not None or |
932 |
opts.reserved_lvs is not None or |
933 |
opts.master_netdev is not None or |
934 |
opts.master_netmask is not None or |
935 |
opts.use_external_mip_script is not None or |
936 |
opts.prealloc_wipe_disks is not None or |
937 |
opts.hv_state or
|
938 |
opts.disk_state or
|
939 |
opts.ispecs_mem_size is not None or |
940 |
opts.ispecs_cpu_count is not None or |
941 |
opts.ispecs_disk_count is not None or |
942 |
opts.ispecs_disk_size is not None or |
943 |
opts.ispecs_nic_count is not None): |
944 |
ToStderr("Please give at least one of the parameters.")
|
945 |
return 1 |
946 |
|
947 |
vg_name = opts.vg_name |
948 |
if not opts.lvm_storage and opts.vg_name: |
949 |
ToStderr("Options --no-lvm-storage and --vg-name conflict.")
|
950 |
return 1 |
951 |
|
952 |
if not opts.lvm_storage: |
953 |
vg_name = ""
|
954 |
|
955 |
drbd_helper = opts.drbd_helper |
956 |
if not opts.drbd_storage and opts.drbd_helper: |
957 |
ToStderr("Options --no-drbd-storage and --drbd-usermode-helper conflict.")
|
958 |
return 1 |
959 |
|
960 |
if not opts.drbd_storage: |
961 |
drbd_helper = ""
|
962 |
|
963 |
hvlist = opts.enabled_hypervisors |
964 |
if hvlist is not None: |
965 |
hvlist = hvlist.split(",")
|
966 |
|
967 |
# a list of (name, dict) we can pass directly to dict() (or [])
|
968 |
hvparams = dict(opts.hvparams)
|
969 |
for hv_params in hvparams.values(): |
970 |
utils.ForceDictType(hv_params, constants.HVS_PARAMETER_TYPES) |
971 |
|
972 |
diskparams = dict(opts.diskparams)
|
973 |
|
974 |
for dt_params in hvparams.values(): |
975 |
utils.ForceDictType(dt_params, constants.DISK_DT_TYPES) |
976 |
|
977 |
beparams = opts.beparams |
978 |
utils.ForceDictType(beparams, constants.BES_PARAMETER_COMPAT) |
979 |
|
980 |
nicparams = opts.nicparams |
981 |
utils.ForceDictType(nicparams, constants.NICS_PARAMETER_TYPES) |
982 |
|
983 |
ndparams = opts.ndparams |
984 |
if ndparams is not None: |
985 |
utils.ForceDictType(ndparams, constants.NDS_PARAMETER_TYPES) |
986 |
|
987 |
ipolicy = \ |
988 |
objects.CreateIPolicyFromOpts(ispecs_mem_size=opts.ispecs_mem_size, |
989 |
ispecs_cpu_count=opts.ispecs_cpu_count, |
990 |
ispecs_disk_count=opts.ispecs_disk_count, |
991 |
ispecs_disk_size=opts.ispecs_disk_size, |
992 |
ispecs_nic_count=opts.ispecs_nic_count) |
993 |
for value in ipolicy.values(): |
994 |
utils.ForceDictType(value, constants.ISPECS_PARAMETER_TYPES) |
995 |
|
996 |
mnh = opts.maintain_node_health |
997 |
|
998 |
uid_pool = opts.uid_pool |
999 |
if uid_pool is not None: |
1000 |
uid_pool = uidpool.ParseUidPool(uid_pool) |
1001 |
|
1002 |
add_uids = opts.add_uids |
1003 |
if add_uids is not None: |
1004 |
add_uids = uidpool.ParseUidPool(add_uids) |
1005 |
|
1006 |
remove_uids = opts.remove_uids |
1007 |
if remove_uids is not None: |
1008 |
remove_uids = uidpool.ParseUidPool(remove_uids) |
1009 |
|
1010 |
if opts.reserved_lvs is not None: |
1011 |
if opts.reserved_lvs == "": |
1012 |
opts.reserved_lvs = [] |
1013 |
else:
|
1014 |
opts.reserved_lvs = utils.UnescapeAndSplit(opts.reserved_lvs, sep=",")
|
1015 |
|
1016 |
if opts.master_netmask is not None: |
1017 |
try:
|
1018 |
opts.master_netmask = int(opts.master_netmask)
|
1019 |
except ValueError: |
1020 |
ToStderr("The --master-netmask option expects an int parameter.")
|
1021 |
return 1 |
1022 |
|
1023 |
ext_ip_script = opts.use_external_mip_script |
1024 |
|
1025 |
if opts.disk_state:
|
1026 |
disk_state = utils.FlatToDict(opts.disk_state) |
1027 |
else:
|
1028 |
disk_state = {} |
1029 |
|
1030 |
hv_state = dict(opts.hv_state)
|
1031 |
|
1032 |
op = opcodes.OpClusterSetParams(vg_name=vg_name, |
1033 |
drbd_helper=drbd_helper, |
1034 |
enabled_hypervisors=hvlist, |
1035 |
hvparams=hvparams, |
1036 |
os_hvp=None,
|
1037 |
beparams=beparams, |
1038 |
nicparams=nicparams, |
1039 |
ndparams=ndparams, |
1040 |
diskparams=diskparams, |
1041 |
ipolicy=ipolicy, |
1042 |
candidate_pool_size=opts.candidate_pool_size, |
1043 |
maintain_node_health=mnh, |
1044 |
uid_pool=uid_pool, |
1045 |
add_uids=add_uids, |
1046 |
remove_uids=remove_uids, |
1047 |
default_iallocator=opts.default_iallocator, |
1048 |
prealloc_wipe_disks=opts.prealloc_wipe_disks, |
1049 |
master_netdev=opts.master_netdev, |
1050 |
master_netmask=opts.master_netmask, |
1051 |
reserved_lvs=opts.reserved_lvs, |
1052 |
use_external_mip_script=ext_ip_script, |
1053 |
hv_state=hv_state, |
1054 |
disk_state=disk_state, |
1055 |
) |
1056 |
SubmitOpCode(op, opts=opts) |
1057 |
return 0 |
1058 |
|
1059 |
|
1060 |
def QueueOps(opts, args): |
1061 |
"""Queue operations.
|
1062 |
|
1063 |
@param opts: the command line options selected by the user
|
1064 |
@type args: list
|
1065 |
@param args: should contain only one element, the subcommand
|
1066 |
@rtype: int
|
1067 |
@return: the desired exit code
|
1068 |
|
1069 |
"""
|
1070 |
command = args[0]
|
1071 |
client = GetClient() |
1072 |
if command in ("drain", "undrain"): |
1073 |
drain_flag = command == "drain"
|
1074 |
client.SetQueueDrainFlag(drain_flag) |
1075 |
elif command == "info": |
1076 |
result = client.QueryConfigValues(["drain_flag"])
|
1077 |
if result[0]: |
1078 |
val = "set"
|
1079 |
else:
|
1080 |
val = "unset"
|
1081 |
ToStdout("The drain flag is %s" % val)
|
1082 |
else:
|
1083 |
raise errors.OpPrereqError("Command '%s' is not valid." % command, |
1084 |
errors.ECODE_INVAL) |
1085 |
|
1086 |
return 0 |
1087 |
|
1088 |
|
1089 |
def _ShowWatcherPause(until): |
1090 |
if until is None or until < time.time(): |
1091 |
ToStdout("The watcher is not paused.")
|
1092 |
else:
|
1093 |
ToStdout("The watcher is paused until %s.", time.ctime(until))
|
1094 |
|
1095 |
|
1096 |
def WatcherOps(opts, args): |
1097 |
"""Watcher operations.
|
1098 |
|
1099 |
@param opts: the command line options selected by the user
|
1100 |
@type args: list
|
1101 |
@param args: should contain only one element, the subcommand
|
1102 |
@rtype: int
|
1103 |
@return: the desired exit code
|
1104 |
|
1105 |
"""
|
1106 |
command = args[0]
|
1107 |
client = GetClient() |
1108 |
|
1109 |
if command == "continue": |
1110 |
client.SetWatcherPause(None)
|
1111 |
ToStdout("The watcher is no longer paused.")
|
1112 |
|
1113 |
elif command == "pause": |
1114 |
if len(args) < 2: |
1115 |
raise errors.OpPrereqError("Missing pause duration", errors.ECODE_INVAL) |
1116 |
|
1117 |
result = client.SetWatcherPause(time.time() + ParseTimespec(args[1]))
|
1118 |
_ShowWatcherPause(result) |
1119 |
|
1120 |
elif command == "info": |
1121 |
result = client.QueryConfigValues(["watcher_pause"])
|
1122 |
_ShowWatcherPause(result[0])
|
1123 |
|
1124 |
else:
|
1125 |
raise errors.OpPrereqError("Command '%s' is not valid." % command, |
1126 |
errors.ECODE_INVAL) |
1127 |
|
1128 |
return 0 |
1129 |
|
1130 |
|
1131 |
def _OobPower(opts, node_list, power): |
1132 |
"""Puts the node in the list to desired power state.
|
1133 |
|
1134 |
@param opts: The command line options selected by the user
|
1135 |
@param node_list: The list of nodes to operate on
|
1136 |
@param power: True if they should be powered on, False otherwise
|
1137 |
@return: The success of the operation (none failed)
|
1138 |
|
1139 |
"""
|
1140 |
if power:
|
1141 |
command = constants.OOB_POWER_ON |
1142 |
else:
|
1143 |
command = constants.OOB_POWER_OFF |
1144 |
|
1145 |
op = opcodes.OpOobCommand(node_names=node_list, |
1146 |
command=command, |
1147 |
ignore_status=True,
|
1148 |
timeout=opts.oob_timeout, |
1149 |
power_delay=opts.power_delay) |
1150 |
result = SubmitOpCode(op, opts=opts) |
1151 |
errs = 0
|
1152 |
for node_result in result: |
1153 |
(node_tuple, data_tuple) = node_result |
1154 |
(_, node_name) = node_tuple |
1155 |
(data_status, _) = data_tuple |
1156 |
if data_status != constants.RS_NORMAL:
|
1157 |
assert data_status != constants.RS_UNAVAIL
|
1158 |
errs += 1
|
1159 |
ToStderr("There was a problem changing power for %s, please investigate",
|
1160 |
node_name) |
1161 |
|
1162 |
if errs > 0: |
1163 |
return False |
1164 |
|
1165 |
return True |
1166 |
|
1167 |
|
1168 |
def _InstanceStart(opts, inst_list, start): |
1169 |
"""Puts the instances in the list to desired state.
|
1170 |
|
1171 |
@param opts: The command line options selected by the user
|
1172 |
@param inst_list: The list of instances to operate on
|
1173 |
@param start: True if they should be started, False for shutdown
|
1174 |
@return: The success of the operation (none failed)
|
1175 |
|
1176 |
"""
|
1177 |
if start:
|
1178 |
opcls = opcodes.OpInstanceStartup |
1179 |
text_submit, text_success, text_failed = ("startup", "started", "starting") |
1180 |
else:
|
1181 |
opcls = compat.partial(opcodes.OpInstanceShutdown, |
1182 |
timeout=opts.shutdown_timeout) |
1183 |
text_submit, text_success, text_failed = ("shutdown", "stopped", "stopping") |
1184 |
|
1185 |
jex = JobExecutor(opts=opts) |
1186 |
|
1187 |
for inst in inst_list: |
1188 |
ToStdout("Submit %s of instance %s", text_submit, inst)
|
1189 |
op = opcls(instance_name=inst) |
1190 |
jex.QueueJob(inst, op) |
1191 |
|
1192 |
results = jex.GetResults() |
1193 |
bad_cnt = len([1 for (success, _) in results if not success]) |
1194 |
|
1195 |
if bad_cnt == 0: |
1196 |
ToStdout("All instances have been %s successfully", text_success)
|
1197 |
else:
|
1198 |
ToStderr("There were errors while %s instances:\n"
|
1199 |
"%d error(s) out of %d instance(s)", text_failed, bad_cnt,
|
1200 |
len(results))
|
1201 |
return False |
1202 |
|
1203 |
return True |
1204 |
|
1205 |
|
1206 |
class _RunWhenNodesReachableHelper: |
1207 |
"""Helper class to make shared internal state sharing easier.
|
1208 |
|
1209 |
@ivar success: Indicates if all action_cb calls were successful
|
1210 |
|
1211 |
"""
|
1212 |
def __init__(self, node_list, action_cb, node2ip, port, feedback_fn, |
1213 |
_ping_fn=netutils.TcpPing, _sleep_fn=time.sleep): |
1214 |
"""Init the object.
|
1215 |
|
1216 |
@param node_list: The list of nodes to be reachable
|
1217 |
@param action_cb: Callback called when a new host is reachable
|
1218 |
@type node2ip: dict
|
1219 |
@param node2ip: Node to ip mapping
|
1220 |
@param port: The port to use for the TCP ping
|
1221 |
@param feedback_fn: The function used for feedback
|
1222 |
@param _ping_fn: Function to check reachabilty (for unittest use only)
|
1223 |
@param _sleep_fn: Function to sleep (for unittest use only)
|
1224 |
|
1225 |
"""
|
1226 |
self.down = set(node_list) |
1227 |
self.up = set() |
1228 |
self.node2ip = node2ip
|
1229 |
self.success = True |
1230 |
self.action_cb = action_cb
|
1231 |
self.port = port
|
1232 |
self.feedback_fn = feedback_fn
|
1233 |
self._ping_fn = _ping_fn
|
1234 |
self._sleep_fn = _sleep_fn
|
1235 |
|
1236 |
def __call__(self): |
1237 |
"""When called we run action_cb.
|
1238 |
|
1239 |
@raises utils.RetryAgain: When there are still down nodes
|
1240 |
|
1241 |
"""
|
1242 |
if not self.action_cb(self.up): |
1243 |
self.success = False |
1244 |
|
1245 |
if self.down: |
1246 |
raise utils.RetryAgain()
|
1247 |
else:
|
1248 |
return self.success |
1249 |
|
1250 |
def Wait(self, secs): |
1251 |
"""Checks if a host is up or waits remaining seconds.
|
1252 |
|
1253 |
@param secs: The secs remaining
|
1254 |
|
1255 |
"""
|
1256 |
start = time.time() |
1257 |
for node in self.down: |
1258 |
if self._ping_fn(self.node2ip[node], self.port, timeout=_EPO_PING_TIMEOUT, |
1259 |
live_port_needed=True):
|
1260 |
self.feedback_fn("Node %s became available" % node) |
1261 |
self.up.add(node)
|
1262 |
self.down -= self.up |
1263 |
# If we have a node available there is the possibility to run the
|
1264 |
# action callback successfully, therefore we don't wait and return
|
1265 |
return
|
1266 |
|
1267 |
self._sleep_fn(max(0.0, start + secs - time.time())) |
1268 |
|
1269 |
|
1270 |
def _RunWhenNodesReachable(node_list, action_cb, interval): |
1271 |
"""Run action_cb when nodes become reachable.
|
1272 |
|
1273 |
@param node_list: The list of nodes to be reachable
|
1274 |
@param action_cb: Callback called when a new host is reachable
|
1275 |
@param interval: The earliest time to retry
|
1276 |
|
1277 |
"""
|
1278 |
client = GetClient() |
1279 |
cluster_info = client.QueryClusterInfo() |
1280 |
if cluster_info["primary_ip_version"] == constants.IP4_VERSION: |
1281 |
family = netutils.IPAddress.family |
1282 |
else:
|
1283 |
family = netutils.IP6Address.family |
1284 |
|
1285 |
node2ip = dict((node, netutils.GetHostname(node, family=family).ip)
|
1286 |
for node in node_list) |
1287 |
|
1288 |
port = netutils.GetDaemonPort(constants.NODED) |
1289 |
helper = _RunWhenNodesReachableHelper(node_list, action_cb, node2ip, port, |
1290 |
ToStdout) |
1291 |
|
1292 |
try:
|
1293 |
return utils.Retry(helper, interval, _EPO_REACHABLE_TIMEOUT,
|
1294 |
wait_fn=helper.Wait) |
1295 |
except utils.RetryTimeout:
|
1296 |
ToStderr("Time exceeded while waiting for nodes to become reachable"
|
1297 |
" again:\n - %s", " - ".join(helper.down)) |
1298 |
return False |
1299 |
|
1300 |
|
1301 |
def _MaybeInstanceStartup(opts, inst_map, nodes_online, |
1302 |
_instance_start_fn=_InstanceStart): |
1303 |
"""Start the instances conditional based on node_states.
|
1304 |
|
1305 |
@param opts: The command line options selected by the user
|
1306 |
@param inst_map: A dict of inst -> nodes mapping
|
1307 |
@param nodes_online: A list of nodes online
|
1308 |
@param _instance_start_fn: Callback to start instances (unittest use only)
|
1309 |
@return: Success of the operation on all instances
|
1310 |
|
1311 |
"""
|
1312 |
start_inst_list = [] |
1313 |
for (inst, nodes) in inst_map.items(): |
1314 |
if not (nodes - nodes_online): |
1315 |
# All nodes the instance lives on are back online
|
1316 |
start_inst_list.append(inst) |
1317 |
|
1318 |
for inst in start_inst_list: |
1319 |
del inst_map[inst]
|
1320 |
|
1321 |
if start_inst_list:
|
1322 |
return _instance_start_fn(opts, start_inst_list, True) |
1323 |
|
1324 |
return True |
1325 |
|
1326 |
|
1327 |
def _EpoOn(opts, full_node_list, node_list, inst_map): |
1328 |
"""Does the actual power on.
|
1329 |
|
1330 |
@param opts: The command line options selected by the user
|
1331 |
@param full_node_list: All nodes to operate on (includes nodes not supporting
|
1332 |
OOB)
|
1333 |
@param node_list: The list of nodes to operate on (all need to support OOB)
|
1334 |
@param inst_map: A dict of inst -> nodes mapping
|
1335 |
@return: The desired exit status
|
1336 |
|
1337 |
"""
|
1338 |
if node_list and not _OobPower(opts, node_list, False): |
1339 |
ToStderr("Not all nodes seem to get back up, investigate and start"
|
1340 |
" manually if needed")
|
1341 |
|
1342 |
# Wait for the nodes to be back up
|
1343 |
action_cb = compat.partial(_MaybeInstanceStartup, opts, dict(inst_map))
|
1344 |
|
1345 |
ToStdout("Waiting until all nodes are available again")
|
1346 |
if not _RunWhenNodesReachable(full_node_list, action_cb, _EPO_PING_INTERVAL): |
1347 |
ToStderr("Please investigate and start stopped instances manually")
|
1348 |
return constants.EXIT_FAILURE
|
1349 |
|
1350 |
return constants.EXIT_SUCCESS
|
1351 |
|
1352 |
|
1353 |
def _EpoOff(opts, node_list, inst_map): |
1354 |
"""Does the actual power off.
|
1355 |
|
1356 |
@param opts: The command line options selected by the user
|
1357 |
@param node_list: The list of nodes to operate on (all need to support OOB)
|
1358 |
@param inst_map: A dict of inst -> nodes mapping
|
1359 |
@return: The desired exit status
|
1360 |
|
1361 |
"""
|
1362 |
if not _InstanceStart(opts, inst_map.keys(), False): |
1363 |
ToStderr("Please investigate and stop instances manually before continuing")
|
1364 |
return constants.EXIT_FAILURE
|
1365 |
|
1366 |
if not node_list: |
1367 |
return constants.EXIT_SUCCESS
|
1368 |
|
1369 |
if _OobPower(opts, node_list, False): |
1370 |
return constants.EXIT_SUCCESS
|
1371 |
else:
|
1372 |
return constants.EXIT_FAILURE
|
1373 |
|
1374 |
|
1375 |
def Epo(opts, args): |
1376 |
"""EPO operations.
|
1377 |
|
1378 |
@param opts: the command line options selected by the user
|
1379 |
@type args: list
|
1380 |
@param args: should contain only one element, the subcommand
|
1381 |
@rtype: int
|
1382 |
@return: the desired exit code
|
1383 |
|
1384 |
"""
|
1385 |
if opts.groups and opts.show_all: |
1386 |
ToStderr("Only one of --groups or --all are allowed")
|
1387 |
return constants.EXIT_FAILURE
|
1388 |
elif args and opts.show_all: |
1389 |
ToStderr("Arguments in combination with --all are not allowed")
|
1390 |
return constants.EXIT_FAILURE
|
1391 |
|
1392 |
client = GetClient() |
1393 |
|
1394 |
if opts.groups:
|
1395 |
node_query_list = itertools.chain(*client.QueryGroups(names=args, |
1396 |
fields=["node_list"],
|
1397 |
use_locking=False))
|
1398 |
else:
|
1399 |
node_query_list = args |
1400 |
|
1401 |
result = client.QueryNodes(names=node_query_list, |
1402 |
fields=["name", "master", "pinst_list", |
1403 |
"sinst_list", "powered", "offline"], |
1404 |
use_locking=False)
|
1405 |
node_list = [] |
1406 |
inst_map = {} |
1407 |
for (idx, (node, master, pinsts, sinsts, powered,
|
1408 |
offline)) in enumerate(result): |
1409 |
# Normalize the node_query_list as well
|
1410 |
if not opts.show_all: |
1411 |
node_query_list[idx] = node |
1412 |
if not offline: |
1413 |
for inst in (pinsts + sinsts): |
1414 |
if inst in inst_map: |
1415 |
if not master: |
1416 |
inst_map[inst].add(node) |
1417 |
elif master:
|
1418 |
inst_map[inst] = set()
|
1419 |
else:
|
1420 |
inst_map[inst] = set([node])
|
1421 |
|
1422 |
if master and opts.on: |
1423 |
# We ignore the master for turning on the machines, in fact we are
|
1424 |
# already operating on the master at this point :)
|
1425 |
continue
|
1426 |
elif master and not opts.show_all: |
1427 |
ToStderr("%s is the master node, please do a master-failover to another"
|
1428 |
" node not affected by the EPO or use --all if you intend to"
|
1429 |
" shutdown the whole cluster", node)
|
1430 |
return constants.EXIT_FAILURE
|
1431 |
elif powered is None: |
1432 |
ToStdout("Node %s does not support out-of-band handling, it can not be"
|
1433 |
" handled in a fully automated manner", node)
|
1434 |
elif powered == opts.on:
|
1435 |
ToStdout("Node %s is already in desired power state, skipping", node)
|
1436 |
elif not offline or (offline and powered): |
1437 |
node_list.append(node) |
1438 |
|
1439 |
if not opts.force and not ConfirmOperation(node_query_list, "nodes", "epo"): |
1440 |
return constants.EXIT_FAILURE
|
1441 |
|
1442 |
if opts.on:
|
1443 |
return _EpoOn(opts, node_query_list, node_list, inst_map)
|
1444 |
else:
|
1445 |
return _EpoOff(opts, node_list, inst_map)
|
1446 |
|
1447 |
INSTANCE_POLICY_OPTS = [ |
1448 |
SPECS_CPU_COUNT_OPT, |
1449 |
SPECS_DISK_COUNT_OPT, |
1450 |
SPECS_DISK_SIZE_OPT, |
1451 |
SPECS_MEM_SIZE_OPT, |
1452 |
SPECS_NIC_COUNT_OPT, |
1453 |
] |
1454 |
|
1455 |
commands = { |
1456 |
"init": (
|
1457 |
InitCluster, [ArgHost(min=1, max=1)], |
1458 |
[BACKEND_OPT, CP_SIZE_OPT, ENABLED_HV_OPT, GLOBAL_FILEDIR_OPT, |
1459 |
HVLIST_OPT, MAC_PREFIX_OPT, MASTER_NETDEV_OPT, MASTER_NETMASK_OPT, |
1460 |
NIC_PARAMS_OPT, NOLVM_STORAGE_OPT, NOMODIFY_ETCHOSTS_OPT, |
1461 |
NOMODIFY_SSH_SETUP_OPT, SECONDARY_IP_OPT, VG_NAME_OPT, |
1462 |
MAINTAIN_NODE_HEALTH_OPT, UIDPOOL_OPT, DRBD_HELPER_OPT, NODRBD_STORAGE_OPT, |
1463 |
DEFAULT_IALLOCATOR_OPT, PRIMARY_IP_VERSION_OPT, PREALLOC_WIPE_DISKS_OPT, |
1464 |
NODE_PARAMS_OPT, GLOBAL_SHARED_FILEDIR_OPT, USE_EXTERNAL_MIP_SCRIPT, |
1465 |
DISK_PARAMS_OPT, HV_STATE_OPT, DISK_STATE_OPT] + INSTANCE_POLICY_OPTS, |
1466 |
"[opts...] <cluster_name>", "Initialises a new cluster configuration"), |
1467 |
"destroy": (
|
1468 |
DestroyCluster, ARGS_NONE, [YES_DOIT_OPT], |
1469 |
"", "Destroy cluster"), |
1470 |
"rename": (
|
1471 |
RenameCluster, [ArgHost(min=1, max=1)], |
1472 |
[FORCE_OPT, DRY_RUN_OPT], |
1473 |
"<new_name>",
|
1474 |
"Renames the cluster"),
|
1475 |
"redist-conf": (
|
1476 |
RedistributeConfig, ARGS_NONE, [SUBMIT_OPT, DRY_RUN_OPT, PRIORITY_OPT], |
1477 |
"", "Forces a push of the configuration file and ssconf files" |
1478 |
" to the nodes in the cluster"),
|
1479 |
"verify": (
|
1480 |
VerifyCluster, ARGS_NONE, |
1481 |
[VERBOSE_OPT, DEBUG_SIMERR_OPT, ERROR_CODES_OPT, NONPLUS1_OPT, |
1482 |
DRY_RUN_OPT, PRIORITY_OPT, NODEGROUP_OPT, IGNORE_ERRORS_OPT], |
1483 |
"", "Does a check on the cluster configuration"), |
1484 |
"verify-disks": (
|
1485 |
VerifyDisks, ARGS_NONE, [PRIORITY_OPT], |
1486 |
"", "Does a check on the cluster disk status"), |
1487 |
"repair-disk-sizes": (
|
1488 |
RepairDiskSizes, ARGS_MANY_INSTANCES, [DRY_RUN_OPT, PRIORITY_OPT], |
1489 |
"[instance...]", "Updates mismatches in recorded disk sizes"), |
1490 |
"master-failover": (
|
1491 |
MasterFailover, ARGS_NONE, [NOVOTING_OPT], |
1492 |
"", "Makes the current node the master"), |
1493 |
"master-ping": (
|
1494 |
MasterPing, ARGS_NONE, [], |
1495 |
"", "Checks if the master is alive"), |
1496 |
"version": (
|
1497 |
ShowClusterVersion, ARGS_NONE, [], |
1498 |
"", "Shows the cluster version"), |
1499 |
"getmaster": (
|
1500 |
ShowClusterMaster, ARGS_NONE, [], |
1501 |
"", "Shows the cluster master"), |
1502 |
"copyfile": (
|
1503 |
ClusterCopyFile, [ArgFile(min=1, max=1)], |
1504 |
[NODE_LIST_OPT, USE_REPL_NET_OPT, NODEGROUP_OPT], |
1505 |
"[-n node...] <filename>", "Copies a file to all (or only some) nodes"), |
1506 |
"command": (
|
1507 |
RunClusterCommand, [ArgCommand(min=1)],
|
1508 |
[NODE_LIST_OPT, NODEGROUP_OPT], |
1509 |
"[-n node...] <command>", "Runs a command on all (or only some) nodes"), |
1510 |
"info": (
|
1511 |
ShowClusterConfig, ARGS_NONE, [ROMAN_OPT], |
1512 |
"[--roman]", "Show cluster configuration"), |
1513 |
"list-tags": (
|
1514 |
ListTags, ARGS_NONE, [], "", "List the tags of the cluster"), |
1515 |
"add-tags": (
|
1516 |
AddTags, [ArgUnknown()], [TAG_SRC_OPT, PRIORITY_OPT], |
1517 |
"tag...", "Add tags to the cluster"), |
1518 |
"remove-tags": (
|
1519 |
RemoveTags, [ArgUnknown()], [TAG_SRC_OPT, PRIORITY_OPT], |
1520 |
"tag...", "Remove tags from the cluster"), |
1521 |
"search-tags": (
|
1522 |
SearchTags, [ArgUnknown(min=1, max=1)], [PRIORITY_OPT], "", |
1523 |
"Searches the tags on all objects on"
|
1524 |
" the cluster for a given pattern (regex)"),
|
1525 |
"queue": (
|
1526 |
QueueOps, |
1527 |
[ArgChoice(min=1, max=1, choices=["drain", "undrain", "info"])], |
1528 |
[], "drain|undrain|info", "Change queue properties"), |
1529 |
"watcher": (
|
1530 |
WatcherOps, |
1531 |
[ArgChoice(min=1, max=1, choices=["pause", "continue", "info"]), |
1532 |
ArgSuggest(min=0, max=1, choices=["30m", "1h", "4h"])], |
1533 |
[], |
1534 |
"{pause <timespec>|continue|info}", "Change watcher properties"), |
1535 |
"modify": (
|
1536 |
SetClusterParams, ARGS_NONE, |
1537 |
[BACKEND_OPT, CP_SIZE_OPT, ENABLED_HV_OPT, HVLIST_OPT, MASTER_NETDEV_OPT, |
1538 |
MASTER_NETMASK_OPT, NIC_PARAMS_OPT, NOLVM_STORAGE_OPT, VG_NAME_OPT, |
1539 |
MAINTAIN_NODE_HEALTH_OPT, UIDPOOL_OPT, ADD_UIDS_OPT, REMOVE_UIDS_OPT, |
1540 |
DRBD_HELPER_OPT, NODRBD_STORAGE_OPT, DEFAULT_IALLOCATOR_OPT, |
1541 |
RESERVED_LVS_OPT, DRY_RUN_OPT, PRIORITY_OPT, PREALLOC_WIPE_DISKS_OPT, |
1542 |
NODE_PARAMS_OPT, USE_EXTERNAL_MIP_SCRIPT, DISK_PARAMS_OPT, HV_STATE_OPT, |
1543 |
DISK_STATE_OPT] + |
1544 |
INSTANCE_POLICY_OPTS, |
1545 |
"[opts...]",
|
1546 |
"Alters the parameters of the cluster"),
|
1547 |
"renew-crypto": (
|
1548 |
RenewCrypto, ARGS_NONE, |
1549 |
[NEW_CLUSTER_CERT_OPT, NEW_RAPI_CERT_OPT, RAPI_CERT_OPT, |
1550 |
NEW_CONFD_HMAC_KEY_OPT, FORCE_OPT, |
1551 |
NEW_CLUSTER_DOMAIN_SECRET_OPT, CLUSTER_DOMAIN_SECRET_OPT, |
1552 |
NEW_SPICE_CERT_OPT, SPICE_CERT_OPT, SPICE_CACERT_OPT], |
1553 |
"[opts...]",
|
1554 |
"Renews cluster certificates, keys and secrets"),
|
1555 |
"epo": (
|
1556 |
Epo, [ArgUnknown()], |
1557 |
[FORCE_OPT, ON_OPT, GROUPS_OPT, ALL_OPT, OOB_TIMEOUT_OPT, |
1558 |
SHUTDOWN_TIMEOUT_OPT, POWER_DELAY_OPT], |
1559 |
"[opts...] [args]",
|
1560 |
"Performs an emergency power-off on given args"),
|
1561 |
"activate-master-ip": (
|
1562 |
ActivateMasterIp, ARGS_NONE, [], "", "Activates the master IP"), |
1563 |
"deactivate-master-ip": (
|
1564 |
DeactivateMasterIp, ARGS_NONE, [CONFIRM_OPT], "",
|
1565 |
"Deactivates the master IP"),
|
1566 |
} |
1567 |
|
1568 |
|
1569 |
#: dictionary with aliases for commands
|
1570 |
aliases = { |
1571 |
"masterfailover": "master-failover", |
1572 |
} |
1573 |
|
1574 |
|
1575 |
def Main(): |
1576 |
return GenericMain(commands, override={"tag_type": constants.TAG_CLUSTER}, |
1577 |
aliases=aliases) |