root / lib / client / gnt_node.py @ fed67843
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#
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# Copyright (C) 2006, 2007, 2008, 2009, 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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"""Node related commands"""
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# pylint: disable-msg=W0401,W0613,W0614,C0103
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# W0401: Wildcard import ganeti.cli
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# W0613: Unused argument, since all functions follow the same API
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# W0614: Unused import %s from wildcard import (since we need cli)
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# C0103: Invalid name gnt-node
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from ganeti.cli import * |
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from ganeti import cli |
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from ganeti import bootstrap |
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from ganeti import opcodes |
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from ganeti import utils |
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from ganeti import constants |
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from ganeti import errors |
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from ganeti import netutils |
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from cStringIO import StringIO |
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#: default list of field for L{ListNodes}
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_LIST_DEF_FIELDS = [ |
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"name", "dtotal", "dfree", |
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"mtotal", "mnode", "mfree", |
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"pinst_cnt", "sinst_cnt", |
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] |
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#: Default field list for L{ListVolumes}
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_LIST_VOL_DEF_FIELDS = ["node", "phys", "vg", "name", "size", "instance"] |
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#: default list of field for L{ListStorage}
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_LIST_STOR_DEF_FIELDS = [ |
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constants.SF_NODE, |
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constants.SF_TYPE, |
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constants.SF_NAME, |
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constants.SF_SIZE, |
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constants.SF_USED, |
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constants.SF_FREE, |
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constants.SF_ALLOCATABLE, |
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] |
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#: default list of power commands
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_LIST_POWER_COMMANDS = ["on", "off", "cycle", "status"] |
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#: headers (and full field list) for L{ListStorage}
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_LIST_STOR_HEADERS = { |
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constants.SF_NODE: "Node",
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constants.SF_TYPE: "Type",
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constants.SF_NAME: "Name",
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constants.SF_SIZE: "Size",
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constants.SF_USED: "Used",
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constants.SF_FREE: "Free",
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constants.SF_ALLOCATABLE: "Allocatable",
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} |
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#: User-facing storage unit types
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_USER_STORAGE_TYPE = { |
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constants.ST_FILE: "file",
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constants.ST_LVM_PV: "lvm-pv",
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constants.ST_LVM_VG: "lvm-vg",
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} |
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_STORAGE_TYPE_OPT = \ |
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cli_option("-t", "--storage-type", |
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dest="user_storage_type",
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choices=_USER_STORAGE_TYPE.keys(), |
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default=None,
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metavar="STORAGE_TYPE",
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help=("Storage type (%s)" %
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utils.CommaJoin(_USER_STORAGE_TYPE.keys()))) |
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_REPAIRABLE_STORAGE_TYPES = \ |
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[st for st, so in constants.VALID_STORAGE_OPERATIONS.iteritems() |
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if constants.SO_FIX_CONSISTENCY in so] |
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_MODIFIABLE_STORAGE_TYPES = constants.MODIFIABLE_STORAGE_FIELDS.keys() |
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_OOB_COMMAND_ASK = frozenset([constants.OOB_POWER_OFF,
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constants.OOB_POWER_CYCLE]) |
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NONODE_SETUP_OPT = cli_option("--no-node-setup", default=True, |
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action="store_false", dest="node_setup", |
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help=("Do not make initial SSH setup on remote"
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" node (needs to be done manually)"))
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IGNORE_STATUS_OPT = cli_option("--ignore-status", default=False, |
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action="store_true", dest="ignore_status", |
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help=("Ignore the Node(s) offline status"
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" (potentially DANGEROUS)"))
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OOB_TIMEOUT_OPT = cli_option("--oob-timeout", dest="oob_timeout", type="int", |
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default=constants.OOB_TIMEOUT, |
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help="Maximum time to wait for out-of-band helper")
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def ConvertStorageType(user_storage_type): |
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"""Converts a user storage type to its internal name.
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"""
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try:
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return _USER_STORAGE_TYPE[user_storage_type]
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except KeyError: |
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raise errors.OpPrereqError("Unknown storage type: %s" % user_storage_type, |
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errors.ECODE_INVAL) |
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def _RunSetupSSH(options, nodes): |
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"""Wrapper around utils.RunCmd to call setup-ssh
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@param options: The command line options
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@param nodes: The nodes to setup
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"""
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cmd = [constants.SETUP_SSH] |
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# Pass --debug|--verbose to the external script if set on our invocation
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# --debug overrides --verbose
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if options.debug:
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cmd.append("--debug")
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elif options.verbose:
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cmd.append("--verbose")
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if not options.ssh_key_check: |
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cmd.append("--no-ssh-key-check")
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cmd.extend(nodes) |
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result = utils.RunCmd(cmd, interactive=True)
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if result.failed:
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errmsg = ("Command '%s' failed with exit code %s; output %r" %
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(result.cmd, result.exit_code, result.output)) |
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raise errors.OpExecError(errmsg)
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@UsesRPC
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def AddNode(opts, args): |
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"""Add a node to 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 node 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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node = netutils.GetHostname(name=args[0]).name
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readd = opts.readd |
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try:
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output = cl.QueryNodes(names=[node], fields=['name', 'sip'], |
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use_locking=False)
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node_exists, sip = output[0]
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except (errors.OpPrereqError, errors.OpExecError):
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node_exists = ""
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sip = None
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if readd:
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if not node_exists: |
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ToStderr("Node %s not in the cluster"
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" - please retry without '--readd'", node)
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return 1 |
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else:
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if node_exists:
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ToStderr("Node %s already in the cluster (as %s)"
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" - please retry with '--readd'", node, node_exists)
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return 1 |
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sip = opts.secondary_ip |
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# read the cluster name from the master
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output = cl.QueryConfigValues(['cluster_name'])
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cluster_name = output[0]
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if not readd and opts.node_setup: |
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ToStderr("-- WARNING -- \n"
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"Performing this operation is going to replace the ssh daemon"
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" keypair\n"
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"on the target machine (%s) with the ones of the"
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" current one\n"
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"and grant full intra-cluster ssh root access to/from it\n", node)
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if opts.node_setup:
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_RunSetupSSH(opts, [node]) |
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bootstrap.SetupNodeDaemon(cluster_name, node, opts.ssh_key_check) |
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op = opcodes.OpNodeAdd(node_name=args[0], secondary_ip=sip,
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readd=opts.readd, group=opts.nodegroup, |
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vm_capable=opts.vm_capable, ndparams=opts.ndparams, |
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master_capable=opts.master_capable) |
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SubmitOpCode(op, opts=opts) |
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def ListNodes(opts, args): |
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"""List nodes and their properties.
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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: nodes to list, or empty for all
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@rtype: int
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@return: the desired exit code
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"""
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selected_fields = ParseFields(opts.output, _LIST_DEF_FIELDS) |
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fmtoverride = dict.fromkeys(["pinst_list", "sinst_list", "tags"], |
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(",".join, False)) |
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return GenericList(constants.QR_NODE, selected_fields, args, opts.units,
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opts.separator, not opts.no_headers,
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format_override=fmtoverride) |
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def ListNodeFields(opts, args): |
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"""List node fields.
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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: fields to list, or empty for all
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@rtype: int
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@return: the desired exit code
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"""
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return GenericListFields(constants.QR_NODE, args, opts.separator,
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not opts.no_headers)
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def EvacuateNode(opts, args): |
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"""Relocate all secondary instance from a node.
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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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force = opts.force |
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dst_node = opts.dst_node |
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iallocator = opts.iallocator |
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op = opcodes.OpNodeEvacStrategy(nodes=args, |
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iallocator=iallocator, |
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remote_node=dst_node) |
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result = SubmitOpCode(op, cl=cl, opts=opts) |
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if not result: |
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# no instances to migrate
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ToStderr("No secondary instances on node(s) %s, exiting.",
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utils.CommaJoin(args)) |
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return constants.EXIT_SUCCESS
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if not force and not AskUser("Relocate instance(s) %s from node(s) %s?" % |
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(",".join("'%s'" % name[0] for name in result), |
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utils.CommaJoin(args))): |
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return constants.EXIT_CONFIRMATION
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jex = JobExecutor(cl=cl, opts=opts) |
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for row in result: |
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iname = row[0]
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node = row[1]
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ToStdout("Will relocate instance %s to node %s", iname, node)
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op = opcodes.OpInstanceReplaceDisks(instance_name=iname, |
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remote_node=node, disks=[], |
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mode=constants.REPLACE_DISK_CHG, |
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early_release=opts.early_release) |
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jex.QueueJob(iname, op) |
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results = jex.GetResults() |
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bad_cnt = len([row for row in results if not row[0]]) |
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if bad_cnt == 0: |
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ToStdout("All %d instance(s) failed over successfully.", len(results)) |
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rcode = constants.EXIT_SUCCESS |
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else:
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ToStdout("There were errors during the failover:\n"
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"%d error(s) out of %d instance(s).", bad_cnt, len(results)) |
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rcode = constants.EXIT_FAILURE |
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return rcode
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def FailoverNode(opts, args): |
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"""Failover all primary instance on a node.
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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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force = opts.force |
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selected_fields = ["name", "pinst_list"] |
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# these fields are static data anyway, so it doesn't matter, but
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# locking=True should be safer
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result = cl.QueryNodes(names=args, fields=selected_fields, |
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use_locking=False)
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node, pinst = result[0]
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if not pinst: |
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ToStderr("No primary instances on node %s, exiting.", node)
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return 0 |
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pinst = utils.NiceSort(pinst) |
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retcode = 0
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if not force and not AskUser("Fail over instance(s) %s?" % |
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(",".join("'%s'" % name for name in pinst))): |
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return 2 |
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jex = JobExecutor(cl=cl, opts=opts) |
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for iname in pinst: |
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op = opcodes.OpInstanceFailover(instance_name=iname, |
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ignore_consistency=opts.ignore_consistency) |
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jex.QueueJob(iname, op) |
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results = jex.GetResults() |
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bad_cnt = len([row for row in results if not row[0]]) |
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if bad_cnt == 0: |
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ToStdout("All %d instance(s) failed over successfully.", len(results)) |
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else:
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ToStdout("There were errors during the failover:\n"
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"%d error(s) out of %d instance(s).", bad_cnt, len(results)) |
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return retcode
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def MigrateNode(opts, args): |
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"""Migrate all primary instance on a node.
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"""
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cl = GetClient() |
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force = opts.force |
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selected_fields = ["name", "pinst_list"] |
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result = cl.QueryNodes(names=args, fields=selected_fields, use_locking=False)
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node, pinst = result[0]
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|
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if not pinst: |
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ToStdout("No primary instances on node %s, exiting." % node)
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return 0 |
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pinst = utils.NiceSort(pinst) |
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if not force and not AskUser("Migrate instance(s) %s?" % |
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(",".join("'%s'" % name for name in pinst))): |
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return 2 |
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# this should be removed once --non-live is deprecated
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if not opts.live and opts.migration_mode is not None: |
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raise errors.OpPrereqError("Only one of the --non-live and " |
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"--migration-mode options can be passed",
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errors.ECODE_INVAL) |
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if not opts.live: # --non-live passed |
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mode = constants.HT_MIGRATION_NONLIVE |
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else:
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mode = opts.migration_mode |
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op = opcodes.OpNodeMigrate(node_name=args[0], mode=mode)
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SubmitOpCode(op, cl=cl, opts=opts) |
386 |
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|
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def ShowNodeConfig(opts, args): |
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"""Show node information.
|
390 |
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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 either be an empty list, in which case
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we show information about all nodes, or should contain
|
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a list of nodes to be queried for information
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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.QueryNodes(fields=["name", "pip", "sip", |
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"pinst_list", "sinst_list", |
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"master_candidate", "drained", "offline", |
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"master_capable", "vm_capable", "powered", |
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"ndparams", "custom_ndparams"], |
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names=args, use_locking=False)
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|
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for (name, primary_ip, secondary_ip, pinst, sinst, is_mc, drained, offline,
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master_capable, vm_capable, powered, ndparams, |
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ndparams_custom) in result:
|
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ToStdout("Node name: %s", name)
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ToStdout(" primary ip: %s", primary_ip)
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ToStdout(" secondary ip: %s", secondary_ip)
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ToStdout(" master candidate: %s", is_mc)
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ToStdout(" drained: %s", drained)
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ToStdout(" offline: %s", offline)
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if powered is not None: |
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ToStdout(" powered: %s", powered)
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ToStdout(" master_capable: %s", master_capable)
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ToStdout(" vm_capable: %s", vm_capable)
|
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if vm_capable:
|
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if pinst:
|
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ToStdout(" primary for instances:")
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for iname in utils.NiceSort(pinst): |
425 |
ToStdout(" - %s", iname)
|
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else:
|
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ToStdout(" primary for no instances")
|
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if sinst:
|
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ToStdout(" secondary for instances:")
|
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for iname in utils.NiceSort(sinst): |
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ToStdout(" - %s", iname)
|
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else:
|
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ToStdout(" secondary for no instances")
|
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ToStdout(" node parameters:")
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buf = StringIO() |
436 |
FormatParameterDict(buf, ndparams_custom, ndparams, level=2)
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ToStdout(buf.getvalue().rstrip("\n"))
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|
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return 0 |
440 |
|
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|
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def RemoveNode(opts, args): |
443 |
"""Remove a node from the cluster.
|
444 |
|
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@param opts: the command line options selected by the user
|
446 |
@type args: list
|
447 |
@param args: should contain only one element, the name of
|
448 |
the node to be removed
|
449 |
@rtype: int
|
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@return: the desired exit code
|
451 |
|
452 |
"""
|
453 |
op = opcodes.OpNodeRemove(node_name=args[0])
|
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SubmitOpCode(op, opts=opts) |
455 |
return 0 |
456 |
|
457 |
|
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def PowercycleNode(opts, args): |
459 |
"""Remove a node from the cluster.
|
460 |
|
461 |
@param opts: the command line options selected by the user
|
462 |
@type args: list
|
463 |
@param args: should contain only one element, the name of
|
464 |
the node to be removed
|
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@rtype: int
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@return: the desired exit code
|
467 |
|
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"""
|
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node = args[0]
|
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if (not opts.confirm and |
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not AskUser("Are you sure you want to hard powercycle node %s?" % node)): |
472 |
return 2 |
473 |
|
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op = opcodes.OpNodePowercycle(node_name=node, force=opts.force) |
475 |
result = SubmitOpCode(op, opts=opts) |
476 |
if result:
|
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ToStderr(result) |
478 |
return 0 |
479 |
|
480 |
|
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def PowerNode(opts, args): |
482 |
"""Change/ask power state of a node.
|
483 |
|
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@param opts: the command line options selected by the user
|
485 |
@type args: list
|
486 |
@param args: should contain only one element, the name of
|
487 |
the node to be removed
|
488 |
@rtype: int
|
489 |
@return: the desired exit code
|
490 |
|
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"""
|
492 |
command = args.pop(0)
|
493 |
|
494 |
if opts.no_headers:
|
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headers = None
|
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else:
|
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headers = {"node": "Node", "status": "Status"} |
498 |
|
499 |
if command not in _LIST_POWER_COMMANDS: |
500 |
ToStderr("power subcommand %s not supported." % command)
|
501 |
return constants.EXIT_FAILURE
|
502 |
|
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oob_command = "power-%s" % command
|
504 |
|
505 |
if oob_command in _OOB_COMMAND_ASK: |
506 |
if not args: |
507 |
ToStderr("Please provide at least one node for this command")
|
508 |
return constants.EXIT_FAILURE
|
509 |
elif not opts.force and not ConfirmOperation(args, "nodes", |
510 |
"power %s" % command):
|
511 |
return constants.EXIT_FAILURE
|
512 |
assert len(args) > 0 |
513 |
|
514 |
opcodelist = [] |
515 |
if not opts.ignore_status and oob_command == constants.OOB_POWER_OFF: |
516 |
# TODO: This is a little ugly as we can't catch and revert
|
517 |
for node in args: |
518 |
opcodelist.append(opcodes.OpNodeSetParams(node_name=node, offline=True,
|
519 |
auto_promote=opts.auto_promote)) |
520 |
|
521 |
opcodelist.append(opcodes.OpOobCommand(node_names=args, |
522 |
command=oob_command, |
523 |
ignore_status=opts.ignore_status, |
524 |
timeout=opts.oob_timeout)) |
525 |
|
526 |
cli.SetGenericOpcodeOpts(opcodelist, opts) |
527 |
|
528 |
job_id = cli.SendJob(opcodelist) |
529 |
|
530 |
# We just want the OOB Opcode status
|
531 |
# If it fails PollJob gives us the error message in it
|
532 |
result = cli.PollJob(job_id)[-1]
|
533 |
|
534 |
errs = 0
|
535 |
data = [] |
536 |
for node_result in result: |
537 |
(node_tuple, data_tuple) = node_result |
538 |
(_, node_name) = node_tuple |
539 |
(data_status, data_node) = data_tuple |
540 |
if data_status == constants.RS_NORMAL:
|
541 |
if oob_command == constants.OOB_POWER_STATUS:
|
542 |
if data_node[constants.OOB_POWER_STATUS_POWERED]:
|
543 |
text = "powered"
|
544 |
else:
|
545 |
text = "unpowered"
|
546 |
data.append([node_name, text]) |
547 |
else:
|
548 |
# We don't expect data here, so we just say, it was successfully invoked
|
549 |
data.append([node_name, "invoked"])
|
550 |
else:
|
551 |
errs += 1
|
552 |
data.append([node_name, cli.FormatResultError(data_status)]) |
553 |
|
554 |
data = GenerateTable(separator=opts.separator, headers=headers, |
555 |
fields=["node", "status"], data=data) |
556 |
|
557 |
for line in data: |
558 |
ToStdout(line) |
559 |
|
560 |
if errs:
|
561 |
return constants.EXIT_FAILURE
|
562 |
else:
|
563 |
return constants.EXIT_SUCCESS
|
564 |
|
565 |
|
566 |
def Health(opts, args): |
567 |
"""Show health of a node using OOB.
|
568 |
|
569 |
@param opts: the command line options selected by the user
|
570 |
@type args: list
|
571 |
@param args: should contain only one element, the name of
|
572 |
the node to be removed
|
573 |
@rtype: int
|
574 |
@return: the desired exit code
|
575 |
|
576 |
"""
|
577 |
op = opcodes.OpOobCommand(node_names=args, command=constants.OOB_HEALTH, |
578 |
timeout=opts.oob_timeout) |
579 |
result = SubmitOpCode(op, opts=opts) |
580 |
|
581 |
if opts.no_headers:
|
582 |
headers = None
|
583 |
else:
|
584 |
headers = {"node": "Node", "status": "Status"} |
585 |
|
586 |
errs = 0
|
587 |
data = [] |
588 |
for node_result in result: |
589 |
(node_tuple, data_tuple) = node_result |
590 |
(_, node_name) = node_tuple |
591 |
(data_status, data_node) = data_tuple |
592 |
if data_status == constants.RS_NORMAL:
|
593 |
data.append([node_name, "%s=%s" % tuple(data_node[0])]) |
594 |
for item, status in data_node[1:]: |
595 |
data.append(["", "%s=%s" % (item, status)]) |
596 |
else:
|
597 |
errs += 1
|
598 |
data.append([node_name, cli.FormatResultError(data_status)]) |
599 |
|
600 |
data = GenerateTable(separator=opts.separator, headers=headers, |
601 |
fields=["node", "status"], data=data) |
602 |
|
603 |
for line in data: |
604 |
ToStdout(line) |
605 |
|
606 |
if errs:
|
607 |
return constants.EXIT_FAILURE
|
608 |
else:
|
609 |
return constants.EXIT_SUCCESS
|
610 |
|
611 |
|
612 |
def ListVolumes(opts, args): |
613 |
"""List logical volumes on node(s).
|
614 |
|
615 |
@param opts: the command line options selected by the user
|
616 |
@type args: list
|
617 |
@param args: should either be an empty list, in which case
|
618 |
we list data for all nodes, or contain a list of nodes
|
619 |
to display data only for those
|
620 |
@rtype: int
|
621 |
@return: the desired exit code
|
622 |
|
623 |
"""
|
624 |
selected_fields = ParseFields(opts.output, _LIST_VOL_DEF_FIELDS) |
625 |
|
626 |
op = opcodes.OpNodeQueryvols(nodes=args, output_fields=selected_fields) |
627 |
output = SubmitOpCode(op, opts=opts) |
628 |
|
629 |
if not opts.no_headers: |
630 |
headers = {"node": "Node", "phys": "PhysDev", |
631 |
"vg": "VG", "name": "Name", |
632 |
"size": "Size", "instance": "Instance"} |
633 |
else:
|
634 |
headers = None
|
635 |
|
636 |
unitfields = ["size"]
|
637 |
|
638 |
numfields = ["size"]
|
639 |
|
640 |
data = GenerateTable(separator=opts.separator, headers=headers, |
641 |
fields=selected_fields, unitfields=unitfields, |
642 |
numfields=numfields, data=output, units=opts.units) |
643 |
|
644 |
for line in data: |
645 |
ToStdout(line) |
646 |
|
647 |
return 0 |
648 |
|
649 |
|
650 |
def ListStorage(opts, args): |
651 |
"""List physical volumes on node(s).
|
652 |
|
653 |
@param opts: the command line options selected by the user
|
654 |
@type args: list
|
655 |
@param args: should either be an empty list, in which case
|
656 |
we list data for all nodes, or contain a list of nodes
|
657 |
to display data only for those
|
658 |
@rtype: int
|
659 |
@return: the desired exit code
|
660 |
|
661 |
"""
|
662 |
# TODO: Default to ST_FILE if LVM is disabled on the cluster
|
663 |
if opts.user_storage_type is None: |
664 |
opts.user_storage_type = constants.ST_LVM_PV |
665 |
|
666 |
storage_type = ConvertStorageType(opts.user_storage_type) |
667 |
|
668 |
selected_fields = ParseFields(opts.output, _LIST_STOR_DEF_FIELDS) |
669 |
|
670 |
op = opcodes.OpNodeQueryStorage(nodes=args, |
671 |
storage_type=storage_type, |
672 |
output_fields=selected_fields) |
673 |
output = SubmitOpCode(op, opts=opts) |
674 |
|
675 |
if not opts.no_headers: |
676 |
headers = { |
677 |
constants.SF_NODE: "Node",
|
678 |
constants.SF_TYPE: "Type",
|
679 |
constants.SF_NAME: "Name",
|
680 |
constants.SF_SIZE: "Size",
|
681 |
constants.SF_USED: "Used",
|
682 |
constants.SF_FREE: "Free",
|
683 |
constants.SF_ALLOCATABLE: "Allocatable",
|
684 |
} |
685 |
else:
|
686 |
headers = None
|
687 |
|
688 |
unitfields = [constants.SF_SIZE, constants.SF_USED, constants.SF_FREE] |
689 |
numfields = [constants.SF_SIZE, constants.SF_USED, constants.SF_FREE] |
690 |
|
691 |
# change raw values to nicer strings
|
692 |
for row in output: |
693 |
for idx, field in enumerate(selected_fields): |
694 |
val = row[idx] |
695 |
if field == constants.SF_ALLOCATABLE:
|
696 |
if val:
|
697 |
val = "Y"
|
698 |
else:
|
699 |
val = "N"
|
700 |
row[idx] = str(val)
|
701 |
|
702 |
data = GenerateTable(separator=opts.separator, headers=headers, |
703 |
fields=selected_fields, unitfields=unitfields, |
704 |
numfields=numfields, data=output, units=opts.units) |
705 |
|
706 |
for line in data: |
707 |
ToStdout(line) |
708 |
|
709 |
return 0 |
710 |
|
711 |
|
712 |
def ModifyStorage(opts, args): |
713 |
"""Modify storage volume on a node.
|
714 |
|
715 |
@param opts: the command line options selected by the user
|
716 |
@type args: list
|
717 |
@param args: should contain 3 items: node name, storage type and volume name
|
718 |
@rtype: int
|
719 |
@return: the desired exit code
|
720 |
|
721 |
"""
|
722 |
(node_name, user_storage_type, volume_name) = args |
723 |
|
724 |
storage_type = ConvertStorageType(user_storage_type) |
725 |
|
726 |
changes = {} |
727 |
|
728 |
if opts.allocatable is not None: |
729 |
changes[constants.SF_ALLOCATABLE] = opts.allocatable |
730 |
|
731 |
if changes:
|
732 |
op = opcodes.OpNodeModifyStorage(node_name=node_name, |
733 |
storage_type=storage_type, |
734 |
name=volume_name, |
735 |
changes=changes) |
736 |
SubmitOpCode(op, opts=opts) |
737 |
else:
|
738 |
ToStderr("No changes to perform, exiting.")
|
739 |
|
740 |
|
741 |
def RepairStorage(opts, args): |
742 |
"""Repairs a storage volume on a node.
|
743 |
|
744 |
@param opts: the command line options selected by the user
|
745 |
@type args: list
|
746 |
@param args: should contain 3 items: node name, storage type and volume name
|
747 |
@rtype: int
|
748 |
@return: the desired exit code
|
749 |
|
750 |
"""
|
751 |
(node_name, user_storage_type, volume_name) = args |
752 |
|
753 |
storage_type = ConvertStorageType(user_storage_type) |
754 |
|
755 |
op = opcodes.OpRepairNodeStorage(node_name=node_name, |
756 |
storage_type=storage_type, |
757 |
name=volume_name, |
758 |
ignore_consistency=opts.ignore_consistency) |
759 |
SubmitOpCode(op, opts=opts) |
760 |
|
761 |
|
762 |
def SetNodeParams(opts, args): |
763 |
"""Modifies a node.
|
764 |
|
765 |
@param opts: the command line options selected by the user
|
766 |
@type args: list
|
767 |
@param args: should contain only one element, the node name
|
768 |
@rtype: int
|
769 |
@return: the desired exit code
|
770 |
|
771 |
"""
|
772 |
all_changes = [opts.master_candidate, opts.drained, opts.offline, |
773 |
opts.master_capable, opts.vm_capable, opts.secondary_ip, |
774 |
opts.ndparams] |
775 |
if all_changes.count(None) == len(all_changes): |
776 |
ToStderr("Please give at least one of the parameters.")
|
777 |
return 1 |
778 |
|
779 |
op = opcodes.OpNodeSetParams(node_name=args[0],
|
780 |
master_candidate=opts.master_candidate, |
781 |
offline=opts.offline, |
782 |
drained=opts.drained, |
783 |
master_capable=opts.master_capable, |
784 |
vm_capable=opts.vm_capable, |
785 |
secondary_ip=opts.secondary_ip, |
786 |
force=opts.force, |
787 |
ndparams=opts.ndparams, |
788 |
auto_promote=opts.auto_promote, |
789 |
powered=opts.node_powered) |
790 |
|
791 |
# even if here we process the result, we allow submit only
|
792 |
result = SubmitOrSend(op, opts) |
793 |
|
794 |
if result:
|
795 |
ToStdout("Modified node %s", args[0]) |
796 |
for param, data in result: |
797 |
ToStdout(" - %-5s -> %s", param, data)
|
798 |
return 0 |
799 |
|
800 |
|
801 |
commands = { |
802 |
'add': (
|
803 |
AddNode, [ArgHost(min=1, max=1)], |
804 |
[SECONDARY_IP_OPT, READD_OPT, NOSSH_KEYCHECK_OPT, NONODE_SETUP_OPT, |
805 |
VERBOSE_OPT, NODEGROUP_OPT, PRIORITY_OPT, CAPAB_MASTER_OPT, |
806 |
CAPAB_VM_OPT, NODE_PARAMS_OPT], |
807 |
"[-s ip] [--readd] [--no-ssh-key-check] [--no-node-setup] [--verbose] "
|
808 |
" <node_name>",
|
809 |
"Add a node to the cluster"),
|
810 |
'evacuate': (
|
811 |
EvacuateNode, [ArgNode(min=1)],
|
812 |
[FORCE_OPT, IALLOCATOR_OPT, NEW_SECONDARY_OPT, EARLY_RELEASE_OPT, |
813 |
PRIORITY_OPT], |
814 |
"[-f] {-I <iallocator> | -n <dst>} <node>",
|
815 |
"Relocate the secondary instances from a node"
|
816 |
" to other nodes (only for instances with drbd disk template)"),
|
817 |
'failover': (
|
818 |
FailoverNode, ARGS_ONE_NODE, [FORCE_OPT, IGNORE_CONSIST_OPT, PRIORITY_OPT], |
819 |
"[-f] <node>",
|
820 |
"Stops the primary instances on a node and start them on their"
|
821 |
" secondary node (only for instances with drbd disk template)"),
|
822 |
'migrate': (
|
823 |
MigrateNode, ARGS_ONE_NODE, |
824 |
[FORCE_OPT, NONLIVE_OPT, MIGRATION_MODE_OPT, PRIORITY_OPT], |
825 |
"[-f] <node>",
|
826 |
"Migrate all the primary instance on a node away from it"
|
827 |
" (only for instances of type drbd)"),
|
828 |
'info': (
|
829 |
ShowNodeConfig, ARGS_MANY_NODES, [], |
830 |
"[<node_name>...]", "Show information about the node(s)"), |
831 |
'list': (
|
832 |
ListNodes, ARGS_MANY_NODES, |
833 |
[NOHDR_OPT, SEP_OPT, USEUNITS_OPT, FIELDS_OPT], |
834 |
"[nodes...]",
|
835 |
"Lists the nodes in the cluster. The available fields can be shown using"
|
836 |
" the \"list-fields\" command (see the man page for details)."
|
837 |
" The default field list is (in order): %s." %
|
838 |
utils.CommaJoin(_LIST_DEF_FIELDS)), |
839 |
"list-fields": (
|
840 |
ListNodeFields, [ArgUnknown()], |
841 |
[NOHDR_OPT, SEP_OPT], |
842 |
"[fields...]",
|
843 |
"Lists all available fields for nodes"),
|
844 |
'modify': (
|
845 |
SetNodeParams, ARGS_ONE_NODE, |
846 |
[FORCE_OPT, SUBMIT_OPT, MC_OPT, DRAINED_OPT, OFFLINE_OPT, |
847 |
CAPAB_MASTER_OPT, CAPAB_VM_OPT, SECONDARY_IP_OPT, |
848 |
AUTO_PROMOTE_OPT, DRY_RUN_OPT, PRIORITY_OPT, NODE_PARAMS_OPT, |
849 |
NODE_POWERED_OPT], |
850 |
"<node_name>", "Alters the parameters of a node"), |
851 |
'powercycle': (
|
852 |
PowercycleNode, ARGS_ONE_NODE, |
853 |
[FORCE_OPT, CONFIRM_OPT, DRY_RUN_OPT, PRIORITY_OPT], |
854 |
"<node_name>", "Tries to forcefully powercycle a node"), |
855 |
'power': (
|
856 |
PowerNode, |
857 |
[ArgChoice(min=1, max=1, choices=_LIST_POWER_COMMANDS), |
858 |
ArgNode()], |
859 |
[SUBMIT_OPT, AUTO_PROMOTE_OPT, PRIORITY_OPT, IGNORE_STATUS_OPT, |
860 |
FORCE_OPT, NOHDR_OPT, SEP_OPT, OOB_TIMEOUT_OPT], |
861 |
"on|off|cycle|status [nodes...]",
|
862 |
"Change power state of node by calling out-of-band helper."),
|
863 |
'remove': (
|
864 |
RemoveNode, ARGS_ONE_NODE, [DRY_RUN_OPT, PRIORITY_OPT], |
865 |
"<node_name>", "Removes a node from the cluster"), |
866 |
'volumes': (
|
867 |
ListVolumes, [ArgNode()], |
868 |
[NOHDR_OPT, SEP_OPT, USEUNITS_OPT, FIELDS_OPT, PRIORITY_OPT], |
869 |
"[<node_name>...]", "List logical volumes on node(s)"), |
870 |
'list-storage': (
|
871 |
ListStorage, ARGS_MANY_NODES, |
872 |
[NOHDR_OPT, SEP_OPT, USEUNITS_OPT, FIELDS_OPT, _STORAGE_TYPE_OPT, |
873 |
PRIORITY_OPT], |
874 |
"[<node_name>...]", "List physical volumes on node(s). The available" |
875 |
" fields are (see the man page for details): %s." %
|
876 |
(utils.CommaJoin(_LIST_STOR_HEADERS))), |
877 |
'modify-storage': (
|
878 |
ModifyStorage, |
879 |
[ArgNode(min=1, max=1), |
880 |
ArgChoice(min=1, max=1, choices=_MODIFIABLE_STORAGE_TYPES), |
881 |
ArgFile(min=1, max=1)], |
882 |
[ALLOCATABLE_OPT, DRY_RUN_OPT, PRIORITY_OPT], |
883 |
"<node_name> <storage_type> <name>", "Modify storage volume on a node"), |
884 |
'repair-storage': (
|
885 |
RepairStorage, |
886 |
[ArgNode(min=1, max=1), |
887 |
ArgChoice(min=1, max=1, choices=_REPAIRABLE_STORAGE_TYPES), |
888 |
ArgFile(min=1, max=1)], |
889 |
[IGNORE_CONSIST_OPT, DRY_RUN_OPT, PRIORITY_OPT], |
890 |
"<node_name> <storage_type> <name>",
|
891 |
"Repairs a storage volume on a node"),
|
892 |
'list-tags': (
|
893 |
ListTags, ARGS_ONE_NODE, [], |
894 |
"<node_name>", "List the tags of the given node"), |
895 |
'add-tags': (
|
896 |
AddTags, [ArgNode(min=1, max=1), ArgUnknown()], [TAG_SRC_OPT, PRIORITY_OPT], |
897 |
"<node_name> tag...", "Add tags to the given node"), |
898 |
'remove-tags': (
|
899 |
RemoveTags, [ArgNode(min=1, max=1), ArgUnknown()], |
900 |
[TAG_SRC_OPT, PRIORITY_OPT], |
901 |
"<node_name> tag...", "Remove tags from the given node"), |
902 |
"health": (
|
903 |
Health, ARGS_MANY_NODES, |
904 |
[NOHDR_OPT, SEP_OPT, SUBMIT_OPT, PRIORITY_OPT, OOB_TIMEOUT_OPT], |
905 |
"[<node_name>...]", "List health of node(s) using out-of-band"), |
906 |
} |
907 |
|
908 |
|
909 |
def Main(): |
910 |
return GenericMain(commands, override={"tag_type": constants.TAG_NODE}) |