root / lib / client / gnt_node.py @ ef9fa5b9
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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=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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import itertools |
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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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_ENV_OVERRIDE = frozenset(["list"]) |
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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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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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if options.force_join:
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cmd.append("--force-join")
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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", "master"], |
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use_locking=False)
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node_exists, sip, is_master = 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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if is_master:
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ToStderr("Node %s is the master, cannot 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, verbose=opts.verbose, |
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force_filter=opts.force_filter) |
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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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if opts.dst_node is not None: |
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ToStderr("New secondary node given (disabling iallocator), hence evacuating"
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" secondary instances only.")
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opts.secondary_only = True
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opts.primary_only = False
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if opts.secondary_only and opts.primary_only: |
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raise errors.OpPrereqError("Only one of the --primary-only and" |
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" --secondary-only options can be passed",
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errors.ECODE_INVAL) |
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elif opts.primary_only:
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mode = constants.IALLOCATOR_NEVAC_PRI |
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elif opts.secondary_only:
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mode = constants.IALLOCATOR_NEVAC_SEC |
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else:
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mode = constants.IALLOCATOR_NEVAC_ALL |
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# Determine affected instances
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fields = [] |
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if not opts.secondary_only: |
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fields.append("pinst_list")
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if not opts.primary_only: |
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fields.append("sinst_list")
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cl = GetClient() |
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result = cl.QueryNodes(names=args, fields=fields, use_locking=False)
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instances = set(itertools.chain(*itertools.chain(*itertools.chain(result))))
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if not instances: |
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# No instances to evacuate
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ToStderr("No instances to evacuate 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 (opts.force or |
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AskUser("Relocate instance(s) %s from node(s) %s?" %
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(utils.CommaJoin(utils.NiceSort(instances)), |
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utils.CommaJoin(args)))): |
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return constants.EXIT_CONFIRMATION
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# Evacuate node
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op = opcodes.OpNodeEvacuate(node_name=args[0], mode=mode,
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remote_node=opts.dst_node, |
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iallocator=opts.iallocator, |
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early_release=opts.early_release) |
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result = SubmitOpCode(op, cl=cl, opts=opts) |
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# Keep track of submitted jobs
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jex = JobExecutor(cl=cl, opts=opts) |
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for (status, job_id) in result[constants.JOB_IDS_KEY]: |
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jex.AddJobId(None, status, job_id)
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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 instances evacuated successfully.")
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rcode = constants.EXIT_SUCCESS |
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else:
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ToStdout("There were %s errors during the evacuation.", bad_cnt)
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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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iallocator=opts.iallocator) |
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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 |
396 |
|
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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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|
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if not (force or |
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AskUser("Migrate instance(s) %s?" %
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utils.CommaJoin(utils.NiceSort(pinst)))): |
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return constants.EXIT_CONFIRMATION
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|
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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 |
417 |
|
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op = opcodes.OpNodeMigrate(node_name=args[0], mode=mode,
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iallocator=opts.iallocator, |
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target_node=opts.dst_node) |
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|
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result = SubmitOpCode(op, cl=cl, opts=opts) |
423 |
|
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# Keep track of submitted jobs
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jex = JobExecutor(cl=cl, opts=opts) |
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|
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for (status, job_id) in result[constants.JOB_IDS_KEY]: |
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jex.AddJobId(None, status, job_id)
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|
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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 instances migrated successfully.")
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rcode = constants.EXIT_SUCCESS |
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else:
|
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ToStdout("There were %s errors during the node migration.", bad_cnt)
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rcode = constants.EXIT_FAILURE |
438 |
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return rcode
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|
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|
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def ShowNodeConfig(opts, args): |
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"""Show node information.
|
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|
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@param opts: the command line options selected by the user
|
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@type args: list
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@param args: should 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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"""
|
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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): |
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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() |
490 |
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 |
494 |
|
495 |
|
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def RemoveNode(opts, args): |
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"""Remove a node from the cluster.
|
498 |
|
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@param opts: the command line options selected by the user
|
500 |
@type args: list
|
501 |
@param args: should contain only one element, the name of
|
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the node to be removed
|
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@rtype: int
|
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@return: the desired exit code
|
505 |
|
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"""
|
507 |
op = opcodes.OpNodeRemove(node_name=args[0])
|
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SubmitOpCode(op, opts=opts) |
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return 0 |
510 |
|
511 |
|
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def PowercycleNode(opts, args): |
513 |
"""Remove a node from the cluster.
|
514 |
|
515 |
@param opts: the command line options selected by the user
|
516 |
@type args: list
|
517 |
@param args: should contain only one element, the name of
|
518 |
the node to be removed
|
519 |
@rtype: int
|
520 |
@return: the desired exit code
|
521 |
|
522 |
"""
|
523 |
node = args[0]
|
524 |
if (not opts.confirm and |
525 |
not AskUser("Are you sure you want to hard powercycle node %s?" % node)): |
526 |
return 2 |
527 |
|
528 |
op = opcodes.OpNodePowercycle(node_name=node, force=opts.force) |
529 |
result = SubmitOpCode(op, opts=opts) |
530 |
if result:
|
531 |
ToStderr(result) |
532 |
return 0 |
533 |
|
534 |
|
535 |
def PowerNode(opts, args): |
536 |
"""Change/ask power state of a node.
|
537 |
|
538 |
@param opts: the command line options selected by the user
|
539 |
@type args: list
|
540 |
@param args: should contain only one element, the name of
|
541 |
the node to be removed
|
542 |
@rtype: int
|
543 |
@return: the desired exit code
|
544 |
|
545 |
"""
|
546 |
command = args.pop(0)
|
547 |
|
548 |
if opts.no_headers:
|
549 |
headers = None
|
550 |
else:
|
551 |
headers = {"node": "Node", "status": "Status"} |
552 |
|
553 |
if command not in _LIST_POWER_COMMANDS: |
554 |
ToStderr("power subcommand %s not supported." % command)
|
555 |
return constants.EXIT_FAILURE
|
556 |
|
557 |
oob_command = "power-%s" % command
|
558 |
|
559 |
if oob_command in _OOB_COMMAND_ASK: |
560 |
if not args: |
561 |
ToStderr("Please provide at least one node for this command")
|
562 |
return constants.EXIT_FAILURE
|
563 |
elif not opts.force and not ConfirmOperation(args, "nodes", |
564 |
"power %s" % command):
|
565 |
return constants.EXIT_FAILURE
|
566 |
assert len(args) > 0 |
567 |
|
568 |
opcodelist = [] |
569 |
if not opts.ignore_status and oob_command == constants.OOB_POWER_OFF: |
570 |
# TODO: This is a little ugly as we can't catch and revert
|
571 |
for node in args: |
572 |
opcodelist.append(opcodes.OpNodeSetParams(node_name=node, offline=True,
|
573 |
auto_promote=opts.auto_promote)) |
574 |
|
575 |
opcodelist.append(opcodes.OpOobCommand(node_names=args, |
576 |
command=oob_command, |
577 |
ignore_status=opts.ignore_status, |
578 |
timeout=opts.oob_timeout, |
579 |
power_delay=opts.power_delay)) |
580 |
|
581 |
cli.SetGenericOpcodeOpts(opcodelist, opts) |
582 |
|
583 |
job_id = cli.SendJob(opcodelist) |
584 |
|
585 |
# We just want the OOB Opcode status
|
586 |
# If it fails PollJob gives us the error message in it
|
587 |
result = cli.PollJob(job_id)[-1]
|
588 |
|
589 |
errs = 0
|
590 |
data = [] |
591 |
for node_result in result: |
592 |
(node_tuple, data_tuple) = node_result |
593 |
(_, node_name) = node_tuple |
594 |
(data_status, data_node) = data_tuple |
595 |
if data_status == constants.RS_NORMAL:
|
596 |
if oob_command == constants.OOB_POWER_STATUS:
|
597 |
if data_node[constants.OOB_POWER_STATUS_POWERED]:
|
598 |
text = "powered"
|
599 |
else:
|
600 |
text = "unpowered"
|
601 |
data.append([node_name, text]) |
602 |
else:
|
603 |
# We don't expect data here, so we just say, it was successfully invoked
|
604 |
data.append([node_name, "invoked"])
|
605 |
else:
|
606 |
errs += 1
|
607 |
data.append([node_name, cli.FormatResultError(data_status, True)])
|
608 |
|
609 |
data = GenerateTable(separator=opts.separator, headers=headers, |
610 |
fields=["node", "status"], data=data) |
611 |
|
612 |
for line in data: |
613 |
ToStdout(line) |
614 |
|
615 |
if errs:
|
616 |
return constants.EXIT_FAILURE
|
617 |
else:
|
618 |
return constants.EXIT_SUCCESS
|
619 |
|
620 |
|
621 |
def Health(opts, args): |
622 |
"""Show health of a node using OOB.
|
623 |
|
624 |
@param opts: the command line options selected by the user
|
625 |
@type args: list
|
626 |
@param args: should contain only one element, the name of
|
627 |
the node to be removed
|
628 |
@rtype: int
|
629 |
@return: the desired exit code
|
630 |
|
631 |
"""
|
632 |
op = opcodes.OpOobCommand(node_names=args, command=constants.OOB_HEALTH, |
633 |
timeout=opts.oob_timeout) |
634 |
result = SubmitOpCode(op, opts=opts) |
635 |
|
636 |
if opts.no_headers:
|
637 |
headers = None
|
638 |
else:
|
639 |
headers = {"node": "Node", "status": "Status"} |
640 |
|
641 |
errs = 0
|
642 |
data = [] |
643 |
for node_result in result: |
644 |
(node_tuple, data_tuple) = node_result |
645 |
(_, node_name) = node_tuple |
646 |
(data_status, data_node) = data_tuple |
647 |
if data_status == constants.RS_NORMAL:
|
648 |
data.append([node_name, "%s=%s" % tuple(data_node[0])]) |
649 |
for item, status in data_node[1:]: |
650 |
data.append(["", "%s=%s" % (item, status)]) |
651 |
else:
|
652 |
errs += 1
|
653 |
data.append([node_name, cli.FormatResultError(data_status, True)])
|
654 |
|
655 |
data = GenerateTable(separator=opts.separator, headers=headers, |
656 |
fields=["node", "status"], data=data) |
657 |
|
658 |
for line in data: |
659 |
ToStdout(line) |
660 |
|
661 |
if errs:
|
662 |
return constants.EXIT_FAILURE
|
663 |
else:
|
664 |
return constants.EXIT_SUCCESS
|
665 |
|
666 |
|
667 |
def ListVolumes(opts, args): |
668 |
"""List logical volumes on node(s).
|
669 |
|
670 |
@param opts: the command line options selected by the user
|
671 |
@type args: list
|
672 |
@param args: should either be an empty list, in which case
|
673 |
we list data for all nodes, or contain a list of nodes
|
674 |
to display data only for those
|
675 |
@rtype: int
|
676 |
@return: the desired exit code
|
677 |
|
678 |
"""
|
679 |
selected_fields = ParseFields(opts.output, _LIST_VOL_DEF_FIELDS) |
680 |
|
681 |
op = opcodes.OpNodeQueryvols(nodes=args, output_fields=selected_fields) |
682 |
output = SubmitOpCode(op, opts=opts) |
683 |
|
684 |
if not opts.no_headers: |
685 |
headers = {"node": "Node", "phys": "PhysDev", |
686 |
"vg": "VG", "name": "Name", |
687 |
"size": "Size", "instance": "Instance"} |
688 |
else:
|
689 |
headers = None
|
690 |
|
691 |
unitfields = ["size"]
|
692 |
|
693 |
numfields = ["size"]
|
694 |
|
695 |
data = GenerateTable(separator=opts.separator, headers=headers, |
696 |
fields=selected_fields, unitfields=unitfields, |
697 |
numfields=numfields, data=output, units=opts.units) |
698 |
|
699 |
for line in data: |
700 |
ToStdout(line) |
701 |
|
702 |
return 0 |
703 |
|
704 |
|
705 |
def ListStorage(opts, args): |
706 |
"""List physical volumes on node(s).
|
707 |
|
708 |
@param opts: the command line options selected by the user
|
709 |
@type args: list
|
710 |
@param args: should either be an empty list, in which case
|
711 |
we list data for all nodes, or contain a list of nodes
|
712 |
to display data only for those
|
713 |
@rtype: int
|
714 |
@return: the desired exit code
|
715 |
|
716 |
"""
|
717 |
# TODO: Default to ST_FILE if LVM is disabled on the cluster
|
718 |
if opts.user_storage_type is None: |
719 |
opts.user_storage_type = constants.ST_LVM_PV |
720 |
|
721 |
storage_type = ConvertStorageType(opts.user_storage_type) |
722 |
|
723 |
selected_fields = ParseFields(opts.output, _LIST_STOR_DEF_FIELDS) |
724 |
|
725 |
op = opcodes.OpNodeQueryStorage(nodes=args, |
726 |
storage_type=storage_type, |
727 |
output_fields=selected_fields) |
728 |
output = SubmitOpCode(op, opts=opts) |
729 |
|
730 |
if not opts.no_headers: |
731 |
headers = { |
732 |
constants.SF_NODE: "Node",
|
733 |
constants.SF_TYPE: "Type",
|
734 |
constants.SF_NAME: "Name",
|
735 |
constants.SF_SIZE: "Size",
|
736 |
constants.SF_USED: "Used",
|
737 |
constants.SF_FREE: "Free",
|
738 |
constants.SF_ALLOCATABLE: "Allocatable",
|
739 |
} |
740 |
else:
|
741 |
headers = None
|
742 |
|
743 |
unitfields = [constants.SF_SIZE, constants.SF_USED, constants.SF_FREE] |
744 |
numfields = [constants.SF_SIZE, constants.SF_USED, constants.SF_FREE] |
745 |
|
746 |
# change raw values to nicer strings
|
747 |
for row in output: |
748 |
for idx, field in enumerate(selected_fields): |
749 |
val = row[idx] |
750 |
if field == constants.SF_ALLOCATABLE:
|
751 |
if val:
|
752 |
val = "Y"
|
753 |
else:
|
754 |
val = "N"
|
755 |
row[idx] = str(val)
|
756 |
|
757 |
data = GenerateTable(separator=opts.separator, headers=headers, |
758 |
fields=selected_fields, unitfields=unitfields, |
759 |
numfields=numfields, data=output, units=opts.units) |
760 |
|
761 |
for line in data: |
762 |
ToStdout(line) |
763 |
|
764 |
return 0 |
765 |
|
766 |
|
767 |
def ModifyStorage(opts, args): |
768 |
"""Modify storage volume on a node.
|
769 |
|
770 |
@param opts: the command line options selected by the user
|
771 |
@type args: list
|
772 |
@param args: should contain 3 items: node name, storage type and volume name
|
773 |
@rtype: int
|
774 |
@return: the desired exit code
|
775 |
|
776 |
"""
|
777 |
(node_name, user_storage_type, volume_name) = args |
778 |
|
779 |
storage_type = ConvertStorageType(user_storage_type) |
780 |
|
781 |
changes = {} |
782 |
|
783 |
if opts.allocatable is not None: |
784 |
changes[constants.SF_ALLOCATABLE] = opts.allocatable |
785 |
|
786 |
if changes:
|
787 |
op = opcodes.OpNodeModifyStorage(node_name=node_name, |
788 |
storage_type=storage_type, |
789 |
name=volume_name, |
790 |
changes=changes) |
791 |
SubmitOpCode(op, opts=opts) |
792 |
else:
|
793 |
ToStderr("No changes to perform, exiting.")
|
794 |
|
795 |
|
796 |
def RepairStorage(opts, args): |
797 |
"""Repairs a storage volume on a node.
|
798 |
|
799 |
@param opts: the command line options selected by the user
|
800 |
@type args: list
|
801 |
@param args: should contain 3 items: node name, storage type and volume name
|
802 |
@rtype: int
|
803 |
@return: the desired exit code
|
804 |
|
805 |
"""
|
806 |
(node_name, user_storage_type, volume_name) = args |
807 |
|
808 |
storage_type = ConvertStorageType(user_storage_type) |
809 |
|
810 |
op = opcodes.OpRepairNodeStorage(node_name=node_name, |
811 |
storage_type=storage_type, |
812 |
name=volume_name, |
813 |
ignore_consistency=opts.ignore_consistency) |
814 |
SubmitOpCode(op, opts=opts) |
815 |
|
816 |
|
817 |
def SetNodeParams(opts, args): |
818 |
"""Modifies a node.
|
819 |
|
820 |
@param opts: the command line options selected by the user
|
821 |
@type args: list
|
822 |
@param args: should contain only one element, the node name
|
823 |
@rtype: int
|
824 |
@return: the desired exit code
|
825 |
|
826 |
"""
|
827 |
all_changes = [opts.master_candidate, opts.drained, opts.offline, |
828 |
opts.master_capable, opts.vm_capable, opts.secondary_ip, |
829 |
opts.ndparams] |
830 |
if all_changes.count(None) == len(all_changes): |
831 |
ToStderr("Please give at least one of the parameters.")
|
832 |
return 1 |
833 |
|
834 |
op = opcodes.OpNodeSetParams(node_name=args[0],
|
835 |
master_candidate=opts.master_candidate, |
836 |
offline=opts.offline, |
837 |
drained=opts.drained, |
838 |
master_capable=opts.master_capable, |
839 |
vm_capable=opts.vm_capable, |
840 |
secondary_ip=opts.secondary_ip, |
841 |
force=opts.force, |
842 |
ndparams=opts.ndparams, |
843 |
auto_promote=opts.auto_promote, |
844 |
powered=opts.node_powered) |
845 |
|
846 |
# even if here we process the result, we allow submit only
|
847 |
result = SubmitOrSend(op, opts) |
848 |
|
849 |
if result:
|
850 |
ToStdout("Modified node %s", args[0]) |
851 |
for param, data in result: |
852 |
ToStdout(" - %-5s -> %s", param, data)
|
853 |
return 0 |
854 |
|
855 |
|
856 |
commands = { |
857 |
"add": (
|
858 |
AddNode, [ArgHost(min=1, max=1)], |
859 |
[SECONDARY_IP_OPT, READD_OPT, NOSSH_KEYCHECK_OPT, NODE_FORCE_JOIN_OPT, |
860 |
NONODE_SETUP_OPT, VERBOSE_OPT, NODEGROUP_OPT, PRIORITY_OPT, |
861 |
CAPAB_MASTER_OPT, CAPAB_VM_OPT, NODE_PARAMS_OPT], |
862 |
"[-s ip] [--readd] [--no-ssh-key-check] [--force-join]"
|
863 |
" [--no-node-setup] [--verbose]"
|
864 |
" <node_name>",
|
865 |
"Add a node to the cluster"),
|
866 |
"evacuate": (
|
867 |
EvacuateNode, ARGS_ONE_NODE, |
868 |
[FORCE_OPT, IALLOCATOR_OPT, NEW_SECONDARY_OPT, EARLY_RELEASE_OPT, |
869 |
PRIORITY_OPT, PRIMARY_ONLY_OPT, SECONDARY_ONLY_OPT], |
870 |
"[-f] {-I <iallocator> | -n <dst>} <node>",
|
871 |
"Relocate the secondary instances from a node"
|
872 |
" to other nodes"),
|
873 |
"failover": (
|
874 |
FailoverNode, ARGS_ONE_NODE, [FORCE_OPT, IGNORE_CONSIST_OPT, |
875 |
IALLOCATOR_OPT, PRIORITY_OPT], |
876 |
"[-f] <node>",
|
877 |
"Stops the primary instances on a node and start them on their"
|
878 |
" secondary node (only for instances with drbd disk template)"),
|
879 |
"migrate": (
|
880 |
MigrateNode, ARGS_ONE_NODE, |
881 |
[FORCE_OPT, NONLIVE_OPT, MIGRATION_MODE_OPT, DST_NODE_OPT, |
882 |
IALLOCATOR_OPT, PRIORITY_OPT], |
883 |
"[-f] <node>",
|
884 |
"Migrate all the primary instance on a node away from it"
|
885 |
" (only for instances of type drbd)"),
|
886 |
"info": (
|
887 |
ShowNodeConfig, ARGS_MANY_NODES, [], |
888 |
"[<node_name>...]", "Show information about the node(s)"), |
889 |
"list": (
|
890 |
ListNodes, ARGS_MANY_NODES, |
891 |
[NOHDR_OPT, SEP_OPT, USEUNITS_OPT, FIELDS_OPT, VERBOSE_OPT, |
892 |
FORCE_FILTER_OPT], |
893 |
"[nodes...]",
|
894 |
"Lists the nodes in the cluster. The available fields can be shown using"
|
895 |
" the \"list-fields\" command (see the man page for details)."
|
896 |
" The default field list is (in order): %s." %
|
897 |
utils.CommaJoin(_LIST_DEF_FIELDS)), |
898 |
"list-fields": (
|
899 |
ListNodeFields, [ArgUnknown()], |
900 |
[NOHDR_OPT, SEP_OPT], |
901 |
"[fields...]",
|
902 |
"Lists all available fields for nodes"),
|
903 |
"modify": (
|
904 |
SetNodeParams, ARGS_ONE_NODE, |
905 |
[FORCE_OPT, SUBMIT_OPT, MC_OPT, DRAINED_OPT, OFFLINE_OPT, |
906 |
CAPAB_MASTER_OPT, CAPAB_VM_OPT, SECONDARY_IP_OPT, |
907 |
AUTO_PROMOTE_OPT, DRY_RUN_OPT, PRIORITY_OPT, NODE_PARAMS_OPT, |
908 |
NODE_POWERED_OPT], |
909 |
"<node_name>", "Alters the parameters of a node"), |
910 |
"powercycle": (
|
911 |
PowercycleNode, ARGS_ONE_NODE, |
912 |
[FORCE_OPT, CONFIRM_OPT, DRY_RUN_OPT, PRIORITY_OPT], |
913 |
"<node_name>", "Tries to forcefully powercycle a node"), |
914 |
"power": (
|
915 |
PowerNode, |
916 |
[ArgChoice(min=1, max=1, choices=_LIST_POWER_COMMANDS), |
917 |
ArgNode()], |
918 |
[SUBMIT_OPT, AUTO_PROMOTE_OPT, PRIORITY_OPT, IGNORE_STATUS_OPT, |
919 |
FORCE_OPT, NOHDR_OPT, SEP_OPT, OOB_TIMEOUT_OPT, POWER_DELAY_OPT], |
920 |
"on|off|cycle|status [nodes...]",
|
921 |
"Change power state of node by calling out-of-band helper."),
|
922 |
"remove": (
|
923 |
RemoveNode, ARGS_ONE_NODE, [DRY_RUN_OPT, PRIORITY_OPT], |
924 |
"<node_name>", "Removes a node from the cluster"), |
925 |
"volumes": (
|
926 |
ListVolumes, [ArgNode()], |
927 |
[NOHDR_OPT, SEP_OPT, USEUNITS_OPT, FIELDS_OPT, PRIORITY_OPT], |
928 |
"[<node_name>...]", "List logical volumes on node(s)"), |
929 |
"list-storage": (
|
930 |
ListStorage, ARGS_MANY_NODES, |
931 |
[NOHDR_OPT, SEP_OPT, USEUNITS_OPT, FIELDS_OPT, _STORAGE_TYPE_OPT, |
932 |
PRIORITY_OPT], |
933 |
"[<node_name>...]", "List physical volumes on node(s). The available" |
934 |
" fields are (see the man page for details): %s." %
|
935 |
(utils.CommaJoin(_LIST_STOR_HEADERS))), |
936 |
"modify-storage": (
|
937 |
ModifyStorage, |
938 |
[ArgNode(min=1, max=1), |
939 |
ArgChoice(min=1, max=1, choices=_MODIFIABLE_STORAGE_TYPES), |
940 |
ArgFile(min=1, max=1)], |
941 |
[ALLOCATABLE_OPT, DRY_RUN_OPT, PRIORITY_OPT], |
942 |
"<node_name> <storage_type> <name>", "Modify storage volume on a node"), |
943 |
"repair-storage": (
|
944 |
RepairStorage, |
945 |
[ArgNode(min=1, max=1), |
946 |
ArgChoice(min=1, max=1, choices=_REPAIRABLE_STORAGE_TYPES), |
947 |
ArgFile(min=1, max=1)], |
948 |
[IGNORE_CONSIST_OPT, DRY_RUN_OPT, PRIORITY_OPT], |
949 |
"<node_name> <storage_type> <name>",
|
950 |
"Repairs a storage volume on a node"),
|
951 |
"list-tags": (
|
952 |
ListTags, ARGS_ONE_NODE, [], |
953 |
"<node_name>", "List the tags of the given node"), |
954 |
"add-tags": (
|
955 |
AddTags, [ArgNode(min=1, max=1), ArgUnknown()], [TAG_SRC_OPT, PRIORITY_OPT], |
956 |
"<node_name> tag...", "Add tags to the given node"), |
957 |
"remove-tags": (
|
958 |
RemoveTags, [ArgNode(min=1, max=1), ArgUnknown()], |
959 |
[TAG_SRC_OPT, PRIORITY_OPT], |
960 |
"<node_name> tag...", "Remove tags from the given node"), |
961 |
"health": (
|
962 |
Health, ARGS_MANY_NODES, |
963 |
[NOHDR_OPT, SEP_OPT, SUBMIT_OPT, PRIORITY_OPT, OOB_TIMEOUT_OPT], |
964 |
"[<node_name>...]", "List health of node(s) using out-of-band"), |
965 |
} |
966 |
|
967 |
|
968 |
def Main(): |
969 |
return GenericMain(commands, override={"tag_type": constants.TAG_NODE}, |
970 |
env_override=_ENV_OVERRIDE) |