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#!/usr/bin/python |
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# |
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|
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# Copyright (C) 2006, 2007, 2008, 2009, 2010 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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|
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"""Instance related commands""" |
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|
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# pylint: disable-msg=W0401,W0614,C0103 |
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# W0401: Wildcard import ganeti.cli |
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# W0614: Unused import %s from wildcard import (since we need cli) |
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# C0103: Invalid name gnt-instance |
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|
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import sys |
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import os |
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import itertools |
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import simplejson |
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from cStringIO import StringIO |
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|
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from ganeti.cli import * |
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from ganeti import opcodes |
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from ganeti import constants |
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from ganeti import compat |
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from ganeti import utils |
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from ganeti import errors |
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from ganeti import netutils |
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|
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|
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_SHUTDOWN_CLUSTER = "cluster" |
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_SHUTDOWN_NODES_BOTH = "nodes" |
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_SHUTDOWN_NODES_PRI = "nodes-pri" |
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_SHUTDOWN_NODES_SEC = "nodes-sec" |
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_SHUTDOWN_NODES_BOTH_BY_TAGS = "nodes-by-tags" |
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_SHUTDOWN_NODES_PRI_BY_TAGS = "nodes-pri-by-tags" |
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_SHUTDOWN_NODES_SEC_BY_TAGS = "nodes-sec-by-tags" |
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_SHUTDOWN_INSTANCES = "instances" |
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_SHUTDOWN_INSTANCES_BY_TAGS = "instances-by-tags" |
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|
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_SHUTDOWN_NODES_TAGS_MODES = ( |
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_SHUTDOWN_NODES_BOTH_BY_TAGS, |
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_SHUTDOWN_NODES_PRI_BY_TAGS, |
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_SHUTDOWN_NODES_SEC_BY_TAGS) |
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|
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|
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_VALUE_TRUE = "true" |
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|
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#: default list of options for L{ListInstances} |
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_LIST_DEF_FIELDS = [ |
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"name", "hypervisor", "os", "pnode", "status", "oper_ram", |
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] |
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|
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|
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def _ExpandMultiNames(mode, names, client=None): |
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"""Expand the given names using the passed mode. |
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|
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For _SHUTDOWN_CLUSTER, all instances will be returned. For |
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_SHUTDOWN_NODES_PRI/SEC, all instances having those nodes as |
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primary/secondary will be returned. For _SHUTDOWN_NODES_BOTH, all |
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instances having those nodes as either primary or secondary will be |
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returned. For _SHUTDOWN_INSTANCES, the given instances will be |
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returned. |
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|
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@param mode: one of L{_SHUTDOWN_CLUSTER}, L{_SHUTDOWN_NODES_BOTH}, |
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L{_SHUTDOWN_NODES_PRI}, L{_SHUTDOWN_NODES_SEC} or |
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L{_SHUTDOWN_INSTANCES} |
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@param names: a list of names; for cluster, it must be empty, |
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and for node and instance it must be a list of valid item |
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names (short names are valid as usual, e.g. node1 instead of |
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node1.example.com) |
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@rtype: list |
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@return: the list of names after the expansion |
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@raise errors.ProgrammerError: for unknown selection type |
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@raise errors.OpPrereqError: for invalid input parameters |
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|
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""" |
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# pylint: disable-msg=W0142 |
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|
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if client is None: |
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client = GetClient() |
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if mode == _SHUTDOWN_CLUSTER: |
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if names: |
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raise errors.OpPrereqError("Cluster filter mode takes no arguments", |
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errors.ECODE_INVAL) |
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idata = client.QueryInstances([], ["name"], False) |
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inames = [row[0] for row in idata] |
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|
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elif mode in (_SHUTDOWN_NODES_BOTH, |
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_SHUTDOWN_NODES_PRI, |
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_SHUTDOWN_NODES_SEC) + _SHUTDOWN_NODES_TAGS_MODES: |
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if mode in _SHUTDOWN_NODES_TAGS_MODES: |
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if not names: |
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raise errors.OpPrereqError("No node tags passed", errors.ECODE_INVAL) |
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ndata = client.QueryNodes([], ["name", "pinst_list", |
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"sinst_list", "tags"], False) |
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ndata = [row for row in ndata if set(row[3]).intersection(names)] |
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else: |
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if not names: |
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raise errors.OpPrereqError("No node names passed", errors.ECODE_INVAL) |
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ndata = client.QueryNodes(names, ["name", "pinst_list", "sinst_list"], |
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False) |
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|
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ipri = [row[1] for row in ndata] |
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pri_names = list(itertools.chain(*ipri)) |
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isec = [row[2] for row in ndata] |
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sec_names = list(itertools.chain(*isec)) |
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if mode in (_SHUTDOWN_NODES_BOTH, _SHUTDOWN_NODES_BOTH_BY_TAGS): |
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inames = pri_names + sec_names |
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elif mode in (_SHUTDOWN_NODES_PRI, _SHUTDOWN_NODES_PRI_BY_TAGS): |
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inames = pri_names |
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elif mode in (_SHUTDOWN_NODES_SEC, _SHUTDOWN_NODES_SEC_BY_TAGS): |
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inames = sec_names |
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else: |
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raise errors.ProgrammerError("Unhandled shutdown type") |
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elif mode == _SHUTDOWN_INSTANCES: |
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if not names: |
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raise errors.OpPrereqError("No instance names passed", |
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errors.ECODE_INVAL) |
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idata = client.QueryInstances(names, ["name"], False) |
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inames = [row[0] for row in idata] |
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elif mode == _SHUTDOWN_INSTANCES_BY_TAGS: |
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if not names: |
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raise errors.OpPrereqError("No instance tags passed", |
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errors.ECODE_INVAL) |
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idata = client.QueryInstances([], ["name", "tags"], False) |
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inames = [row[0] for row in idata if set(row[1]).intersection(names)] |
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else: |
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raise errors.OpPrereqError("Unknown mode '%s'" % mode, errors.ECODE_INVAL) |
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|
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return inames |
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|
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|
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def _ConfirmOperation(inames, text, extra=""): |
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"""Ask the user to confirm an operation on a list of instances. |
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|
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This function is used to request confirmation for doing an operation |
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on a given list of instances. |
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|
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@type inames: list |
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@param inames: the list of names that we display when |
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we ask for confirmation |
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@type text: str |
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@param text: the operation that the user should confirm |
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(e.g. I{shutdown} or I{startup}) |
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@rtype: boolean |
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@return: True or False depending on user's confirmation. |
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|
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""" |
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count = len(inames) |
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msg = ("The %s will operate on %d instances.\n%s" |
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"Do you want to continue?" % (text, count, extra)) |
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affected = ("\nAffected instances:\n" + |
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"\n".join([" %s" % name for name in inames])) |
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|
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choices = [('y', True, 'Yes, execute the %s' % text), |
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('n', False, 'No, abort the %s' % text)] |
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|
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if count > 20: |
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choices.insert(1, ('v', 'v', 'View the list of affected instances')) |
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ask = msg |
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else: |
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ask = msg + affected |
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|
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choice = AskUser(ask, choices) |
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if choice == 'v': |
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choices.pop(1) |
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choice = AskUser(msg + affected, choices) |
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return choice |
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|
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|
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def _EnsureInstancesExist(client, names): |
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"""Check for and ensure the given instance names exist. |
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|
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This function will raise an OpPrereqError in case they don't |
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exist. Otherwise it will exit cleanly. |
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|
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@type client: L{ganeti.luxi.Client} |
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@param client: the client to use for the query |
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@type names: list |
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@param names: the list of instance names to query |
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@raise errors.OpPrereqError: in case any instance is missing |
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|
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""" |
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# TODO: change LUQueryInstances to that it actually returns None |
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# instead of raising an exception, or devise a better mechanism |
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result = client.QueryInstances(names, ["name"], False) |
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for orig_name, row in zip(names, result): |
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if row[0] is None: |
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raise errors.OpPrereqError("Instance '%s' does not exist" % orig_name, |
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errors.ECODE_NOENT) |
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|
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|
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def GenericManyOps(operation, fn): |
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"""Generic multi-instance operations. |
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|
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The will return a wrapper that processes the options and arguments |
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given, and uses the passed function to build the opcode needed for |
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the specific operation. Thus all the generic loop/confirmation code |
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is abstracted into this function. |
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|
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""" |
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def realfn(opts, args): |
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if opts.multi_mode is None: |
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opts.multi_mode = _SHUTDOWN_INSTANCES |
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cl = GetClient() |
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inames = _ExpandMultiNames(opts.multi_mode, args, client=cl) |
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if not inames: |
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raise errors.OpPrereqError("Selection filter does not match" |
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" any instances", errors.ECODE_INVAL) |
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multi_on = opts.multi_mode != _SHUTDOWN_INSTANCES or len(inames) > 1 |
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if not (opts.force_multi or not multi_on |
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or _ConfirmOperation(inames, operation)): |
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return 1 |
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jex = JobExecutor(verbose=multi_on, cl=cl, opts=opts) |
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for name in inames: |
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op = fn(name, opts) |
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jex.QueueJob(name, op) |
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results = jex.WaitOrShow(not opts.submit_only) |
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rcode = compat.all(row[0] for row in results) |
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return int(not rcode) |
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return realfn |
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|
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|
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def ListInstances(opts, args): |
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"""List instances and their properties. |
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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 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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""" |
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selected_fields = ParseFields(opts.output, _LIST_DEF_FIELDS) |
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|
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output = GetClient().QueryInstances(args, selected_fields, opts.do_locking) |
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|
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if not opts.no_headers: |
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headers = { |
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"name": "Instance", "os": "OS", "pnode": "Primary_node", |
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"snodes": "Secondary_Nodes", "admin_state": "Autostart", |
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"oper_state": "Running", |
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"oper_ram": "Memory", "disk_template": "Disk_template", |
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"oper_vcpus": "VCPUs", |
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"ip": "IP_address", "mac": "MAC_address", |
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"nic_mode": "NIC_Mode", "nic_link": "NIC_Link", |
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"bridge": "Bridge", |
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"sda_size": "Disk/0", "sdb_size": "Disk/1", |
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"disk_usage": "DiskUsage", |
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"status": "Status", "tags": "Tags", |
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"network_port": "Network_port", |
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"hv/kernel_path": "Kernel_path", |
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"hv/initrd_path": "Initrd_path", |
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"hv/boot_order": "Boot_order", |
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"hv/acpi": "ACPI", |
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"hv/pae": "PAE", |
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"hv/cdrom_image_path": "CDROM_image_path", |
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"hv/nic_type": "NIC_type", |
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"hv/disk_type": "Disk_type", |
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"hv/vnc_bind_address": "VNC_bind_address", |
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"serial_no": "SerialNo", "hypervisor": "Hypervisor", |
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"hvparams": "Hypervisor_parameters", |
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"be/memory": "Configured_memory", |
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"be/vcpus": "VCPUs", |
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"vcpus": "VCPUs", |
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"be/auto_balance": "Auto_balance", |
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"disk.count": "Disks", "disk.sizes": "Disk_sizes", |
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"nic.count": "NICs", "nic.ips": "NIC_IPs", |
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"nic.modes": "NIC_modes", "nic.links": "NIC_links", |
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"nic.bridges": "NIC_bridges", "nic.macs": "NIC_MACs", |
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"ctime": "CTime", "mtime": "MTime", "uuid": "UUID", |
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} |
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else: |
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headers = None |
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|
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unitfields = ["be/memory", "oper_ram", "sd(a|b)_size", "disk\.size/.*"] |
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numfields = ["be/memory", "oper_ram", "sd(a|b)_size", "be/vcpus", |
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"serial_no", "(disk|nic)\.count", "disk\.size/.*"] |
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|
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list_type_fields = ("tags", "disk.sizes", "nic.macs", "nic.ips", |
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"nic.modes", "nic.links", "nic.bridges") |
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# change raw values to nicer strings |
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for row in output: |
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for idx, field in enumerate(selected_fields): |
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val = row[idx] |
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if field == "snodes": |
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val = ",".join(val) or "-" |
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elif field == "admin_state": |
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if val: |
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val = "yes" |
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else: |
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val = "no" |
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elif field == "oper_state": |
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if val is None: |
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val = "(node down)" |
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elif val: # True |
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val = "running" |
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else: |
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val = "stopped" |
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elif field == "oper_ram": |
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if val is None: |
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val = "(node down)" |
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elif field == "oper_vcpus": |
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if val is None: |
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val = "(node down)" |
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elif field == "sda_size" or field == "sdb_size": |
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if val is None: |
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val = "N/A" |
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elif field == "ctime" or field == "mtime": |
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val = utils.FormatTime(val) |
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elif field in list_type_fields: |
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val = ",".join(str(item) for item in val) |
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elif val is None: |
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val = "-" |
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if opts.roman_integers and isinstance(val, int): |
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val = compat.TryToRoman(val) |
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row[idx] = str(val) |
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|
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data = GenerateTable(separator=opts.separator, headers=headers, |
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fields=selected_fields, unitfields=unitfields, |
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numfields=numfields, data=output, units=opts.units) |
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|
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for line in data: |
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ToStdout(line) |
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|
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return 0 |
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|
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|
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def AddInstance(opts, args): |
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"""Add an instance to the cluster. |
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|
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This is just a wrapper over GenericInstanceCreate. |
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|
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""" |
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return GenericInstanceCreate(constants.INSTANCE_CREATE, opts, args) |
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|
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|
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def BatchCreate(opts, args): |
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"""Create instances using a definition file. |
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|
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This function reads a json file with instances defined |
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in the form:: |
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|
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{"instance-name":{ |
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"disk_size": [20480], |
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"template": "drbd", |
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"backend": { |
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"memory": 512, |
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"vcpus": 1 }, |
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"os": "debootstrap", |
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"primary_node": "firstnode", |
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"secondary_node": "secondnode", |
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"iallocator": "dumb"} |
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} |
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|
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Note that I{primary_node} and I{secondary_node} have precedence over |
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I{iallocator}. |
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|
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@param opts: the command line options selected by the user |
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@type args: list |
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@param args: should contain one element, the json filename |
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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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_DEFAULT_SPECS = {"disk_size": [20 * 1024], |
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"backend": {}, |
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"iallocator": None, |
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"primary_node": None, |
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"secondary_node": None, |
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"nics": None, |
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"start": True, |
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"ip_check": True, |
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"name_check": True, |
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"hypervisor": None, |
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"hvparams": {}, |
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"file_storage_dir": None, |
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"force_variant": False, |
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"file_driver": 'loop'} |
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|
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def _PopulateWithDefaults(spec): |
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"""Returns a new hash combined with default values.""" |
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mydict = _DEFAULT_SPECS.copy() |
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mydict.update(spec) |
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return mydict |
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|
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def _Validate(spec): |
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"""Validate the instance specs.""" |
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# Validate fields required under any circumstances |
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for required_field in ('os', 'template'): |
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if required_field not in spec: |
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raise errors.OpPrereqError('Required field "%s" is missing.' % |
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required_field, errors.ECODE_INVAL) |
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# Validate special fields |
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if spec['primary_node'] is not None: |
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if (spec['template'] in constants.DTS_NET_MIRROR and |
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spec['secondary_node'] is None): |
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raise errors.OpPrereqError('Template requires secondary node, but' |
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' there was no secondary provided.', |
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errors.ECODE_INVAL) |
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elif spec['iallocator'] is None: |
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raise errors.OpPrereqError('You have to provide at least a primary_node' |
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' or an iallocator.', |
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errors.ECODE_INVAL) |
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|
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if (spec['hvparams'] and |
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not isinstance(spec['hvparams'], dict)): |
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raise errors.OpPrereqError('Hypervisor parameters must be a dict.', |
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errors.ECODE_INVAL) |
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|
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json_filename = args[0] |
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try: |
426 |
instance_data = simplejson.loads(utils.ReadFile(json_filename)) |
427 |
except Exception, err: # pylint: disable-msg=W0703 |
428 |
ToStderr("Can't parse the instance definition file: %s" % str(err)) |
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return 1 |
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|
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if not isinstance(instance_data, dict): |
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ToStderr("The instance definition file is not in dict format.") |
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return 1 |
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|
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jex = JobExecutor(opts=opts) |
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|
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# Iterate over the instances and do: |
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# * Populate the specs with default value |
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# * Validate the instance specs |
440 |
i_names = utils.NiceSort(instance_data.keys()) # pylint: disable-msg=E1103 |
441 |
for name in i_names: |
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specs = instance_data[name] |
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specs = _PopulateWithDefaults(specs) |
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_Validate(specs) |
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|
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hypervisor = specs['hypervisor'] |
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hvparams = specs['hvparams'] |
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|
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disks = [] |
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for elem in specs['disk_size']: |
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try: |
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size = utils.ParseUnit(elem) |
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except (TypeError, ValueError), err: |
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raise errors.OpPrereqError("Invalid disk size '%s' for" |
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" instance %s: %s" % |
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(elem, name, err), errors.ECODE_INVAL) |
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disks.append({"size": size}) |
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|
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utils.ForceDictType(specs['backend'], constants.BES_PARAMETER_TYPES) |
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utils.ForceDictType(hvparams, constants.HVS_PARAMETER_TYPES) |
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|
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tmp_nics = [] |
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for field in ('ip', 'mac', 'mode', 'link', 'bridge'): |
464 |
if field in specs: |
465 |
if not tmp_nics: |
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tmp_nics.append({}) |
467 |
tmp_nics[0][field] = specs[field] |
468 |
|
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if specs['nics'] is not None and tmp_nics: |
470 |
raise errors.OpPrereqError("'nics' list incompatible with using" |
471 |
" individual nic fields as well", |
472 |
errors.ECODE_INVAL) |
473 |
elif specs['nics'] is not None: |
474 |
tmp_nics = specs['nics'] |
475 |
elif not tmp_nics: |
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tmp_nics = [{}] |
477 |
|
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op = opcodes.OpCreateInstance(instance_name=name, |
479 |
disks=disks, |
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disk_template=specs['template'], |
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mode=constants.INSTANCE_CREATE, |
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os_type=specs['os'], |
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force_variant=specs["force_variant"], |
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pnode=specs['primary_node'], |
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snode=specs['secondary_node'], |
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nics=tmp_nics, |
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start=specs['start'], |
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ip_check=specs['ip_check'], |
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name_check=specs['name_check'], |
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wait_for_sync=True, |
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iallocator=specs['iallocator'], |
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hypervisor=hypervisor, |
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hvparams=hvparams, |
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beparams=specs['backend'], |
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file_storage_dir=specs['file_storage_dir'], |
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file_driver=specs['file_driver']) |
497 |
|
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jex.QueueJob(name, op) |
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# we never want to wait, just show the submitted job IDs |
500 |
jex.WaitOrShow(False) |
501 |
|
502 |
return 0 |
503 |
|
504 |
|
505 |
def ReinstallInstance(opts, args): |
506 |
"""Reinstall an instance. |
507 |
|
508 |
@param opts: the command line options selected by the user |
509 |
@type args: list |
510 |
@param args: should contain only one element, the name of the |
511 |
instance to be reinstalled |
512 |
@rtype: int |
513 |
@return: the desired exit code |
514 |
|
515 |
""" |
516 |
# first, compute the desired name list |
517 |
if opts.multi_mode is None: |
518 |
opts.multi_mode = _SHUTDOWN_INSTANCES |
519 |
|
520 |
inames = _ExpandMultiNames(opts.multi_mode, args) |
521 |
if not inames: |
522 |
raise errors.OpPrereqError("Selection filter does not match any instances", |
523 |
errors.ECODE_INVAL) |
524 |
|
525 |
# second, if requested, ask for an OS |
526 |
if opts.select_os is True: |
527 |
op = opcodes.OpDiagnoseOS(output_fields=["name", "valid", "variants"], |
528 |
names=[]) |
529 |
result = SubmitOpCode(op, opts=opts) |
530 |
|
531 |
if not result: |
532 |
ToStdout("Can't get the OS list") |
533 |
return 1 |
534 |
|
535 |
ToStdout("Available OS templates:") |
536 |
number = 0 |
537 |
choices = [] |
538 |
for (name, valid, variants) in result: |
539 |
if valid: |
540 |
for entry in CalculateOSNames(name, variants): |
541 |
ToStdout("%3s: %s", number, entry) |
542 |
choices.append(("%s" % number, entry, entry)) |
543 |
number += 1 |
544 |
|
545 |
choices.append(('x', 'exit', 'Exit gnt-instance reinstall')) |
546 |
selected = AskUser("Enter OS template number (or x to abort):", |
547 |
choices) |
548 |
|
549 |
if selected == 'exit': |
550 |
ToStderr("User aborted reinstall, exiting") |
551 |
return 1 |
552 |
|
553 |
os_name = selected |
554 |
else: |
555 |
os_name = opts.os |
556 |
|
557 |
# third, get confirmation: multi-reinstall requires --force-multi, |
558 |
# single-reinstall either --force or --force-multi (--force-multi is |
559 |
# a stronger --force) |
560 |
multi_on = opts.multi_mode != _SHUTDOWN_INSTANCES or len(inames) > 1 |
561 |
if multi_on: |
562 |
warn_msg = "Note: this will remove *all* data for the below instances!\n" |
563 |
if not (opts.force_multi or |
564 |
_ConfirmOperation(inames, "reinstall", extra=warn_msg)): |
565 |
return 1 |
566 |
else: |
567 |
if not (opts.force or opts.force_multi): |
568 |
usertext = ("This will reinstall the instance %s and remove" |
569 |
" all data. Continue?") % inames[0] |
570 |
if not AskUser(usertext): |
571 |
return 1 |
572 |
|
573 |
jex = JobExecutor(verbose=multi_on, opts=opts) |
574 |
for instance_name in inames: |
575 |
op = opcodes.OpReinstallInstance(instance_name=instance_name, |
576 |
os_type=os_name, |
577 |
force_variant=opts.force_variant) |
578 |
jex.QueueJob(instance_name, op) |
579 |
|
580 |
jex.WaitOrShow(not opts.submit_only) |
581 |
return 0 |
582 |
|
583 |
|
584 |
def RemoveInstance(opts, args): |
585 |
"""Remove an instance. |
586 |
|
587 |
@param opts: the command line options selected by the user |
588 |
@type args: list |
589 |
@param args: should contain only one element, the name of |
590 |
the instance to be removed |
591 |
@rtype: int |
592 |
@return: the desired exit code |
593 |
|
594 |
""" |
595 |
instance_name = args[0] |
596 |
force = opts.force |
597 |
cl = GetClient() |
598 |
|
599 |
if not force: |
600 |
_EnsureInstancesExist(cl, [instance_name]) |
601 |
|
602 |
usertext = ("This will remove the volumes of the instance %s" |
603 |
" (including mirrors), thus removing all the data" |
604 |
" of the instance. Continue?") % instance_name |
605 |
if not AskUser(usertext): |
606 |
return 1 |
607 |
|
608 |
op = opcodes.OpRemoveInstance(instance_name=instance_name, |
609 |
ignore_failures=opts.ignore_failures, |
610 |
shutdown_timeout=opts.shutdown_timeout) |
611 |
SubmitOrSend(op, opts, cl=cl) |
612 |
return 0 |
613 |
|
614 |
|
615 |
def RenameInstance(opts, args): |
616 |
"""Rename an instance. |
617 |
|
618 |
@param opts: the command line options selected by the user |
619 |
@type args: list |
620 |
@param args: should contain two elements, the old and the |
621 |
new instance names |
622 |
@rtype: int |
623 |
@return: the desired exit code |
624 |
|
625 |
""" |
626 |
if not opts.name_check: |
627 |
if not AskUser("As you disabled the check of the DNS entry, please verify" |
628 |
" that '%s' is a FQDN. Continue?" % args[1]): |
629 |
return 1 |
630 |
|
631 |
op = opcodes.OpRenameInstance(instance_name=args[0], |
632 |
new_name=args[1], |
633 |
ip_check=opts.ip_check, |
634 |
name_check=opts.name_check) |
635 |
result = SubmitOrSend(op, opts) |
636 |
|
637 |
if result: |
638 |
ToStdout("Instance '%s' renamed to '%s'", args[0], result) |
639 |
|
640 |
return 0 |
641 |
|
642 |
|
643 |
def ActivateDisks(opts, args): |
644 |
"""Activate an instance's disks. |
645 |
|
646 |
This serves two purposes: |
647 |
- it allows (as long as the instance is not running) |
648 |
mounting the disks and modifying them from the node |
649 |
- it repairs inactive secondary drbds |
650 |
|
651 |
@param opts: the command line options selected by the user |
652 |
@type args: list |
653 |
@param args: should contain only one element, the instance name |
654 |
@rtype: int |
655 |
@return: the desired exit code |
656 |
|
657 |
""" |
658 |
instance_name = args[0] |
659 |
op = opcodes.OpActivateInstanceDisks(instance_name=instance_name, |
660 |
ignore_size=opts.ignore_size) |
661 |
disks_info = SubmitOrSend(op, opts) |
662 |
for host, iname, nname in disks_info: |
663 |
ToStdout("%s:%s:%s", host, iname, nname) |
664 |
return 0 |
665 |
|
666 |
|
667 |
def DeactivateDisks(opts, args): |
668 |
"""Deactivate an instance's disks. |
669 |
|
670 |
This function takes the instance name, looks for its primary node |
671 |
and the tries to shutdown its block devices on that node. |
672 |
|
673 |
@param opts: the command line options selected by the user |
674 |
@type args: list |
675 |
@param args: should contain only one element, the instance name |
676 |
@rtype: int |
677 |
@return: the desired exit code |
678 |
|
679 |
""" |
680 |
instance_name = args[0] |
681 |
op = opcodes.OpDeactivateInstanceDisks(instance_name=instance_name) |
682 |
SubmitOrSend(op, opts) |
683 |
return 0 |
684 |
|
685 |
|
686 |
def RecreateDisks(opts, args): |
687 |
"""Recreate an instance's disks. |
688 |
|
689 |
@param opts: the command line options selected by the user |
690 |
@type args: list |
691 |
@param args: should contain only one element, the instance name |
692 |
@rtype: int |
693 |
@return: the desired exit code |
694 |
|
695 |
""" |
696 |
instance_name = args[0] |
697 |
if opts.disks: |
698 |
try: |
699 |
opts.disks = [int(v) for v in opts.disks.split(",")] |
700 |
except (ValueError, TypeError), err: |
701 |
ToStderr("Invalid disks value: %s" % str(err)) |
702 |
return 1 |
703 |
else: |
704 |
opts.disks = [] |
705 |
|
706 |
op = opcodes.OpRecreateInstanceDisks(instance_name=instance_name, |
707 |
disks=opts.disks) |
708 |
SubmitOrSend(op, opts) |
709 |
return 0 |
710 |
|
711 |
|
712 |
def GrowDisk(opts, args): |
713 |
"""Grow an instance's disks. |
714 |
|
715 |
@param opts: the command line options selected by the user |
716 |
@type args: list |
717 |
@param args: should contain two elements, the instance name |
718 |
whose disks we grow and the disk name, e.g. I{sda} |
719 |
@rtype: int |
720 |
@return: the desired exit code |
721 |
|
722 |
""" |
723 |
instance = args[0] |
724 |
disk = args[1] |
725 |
try: |
726 |
disk = int(disk) |
727 |
except (TypeError, ValueError), err: |
728 |
raise errors.OpPrereqError("Invalid disk index: %s" % str(err), |
729 |
errors.ECODE_INVAL) |
730 |
amount = utils.ParseUnit(args[2]) |
731 |
op = opcodes.OpGrowDisk(instance_name=instance, disk=disk, amount=amount, |
732 |
wait_for_sync=opts.wait_for_sync) |
733 |
SubmitOrSend(op, opts) |
734 |
return 0 |
735 |
|
736 |
|
737 |
def _StartupInstance(name, opts): |
738 |
"""Startup instances. |
739 |
|
740 |
This returns the opcode to start an instance, and its decorator will |
741 |
wrap this into a loop starting all desired instances. |
742 |
|
743 |
@param name: the name of the instance to act on |
744 |
@param opts: the command line options selected by the user |
745 |
@return: the opcode needed for the operation |
746 |
|
747 |
""" |
748 |
op = opcodes.OpStartupInstance(instance_name=name, |
749 |
force=opts.force) |
750 |
# do not add these parameters to the opcode unless they're defined |
751 |
if opts.hvparams: |
752 |
op.hvparams = opts.hvparams |
753 |
if opts.beparams: |
754 |
op.beparams = opts.beparams |
755 |
return op |
756 |
|
757 |
|
758 |
def _RebootInstance(name, opts): |
759 |
"""Reboot instance(s). |
760 |
|
761 |
This returns the opcode to reboot an instance, and its decorator |
762 |
will wrap this into a loop rebooting all desired instances. |
763 |
|
764 |
@param name: the name of the instance to act on |
765 |
@param opts: the command line options selected by the user |
766 |
@return: the opcode needed for the operation |
767 |
|
768 |
""" |
769 |
return opcodes.OpRebootInstance(instance_name=name, |
770 |
reboot_type=opts.reboot_type, |
771 |
ignore_secondaries=opts.ignore_secondaries, |
772 |
shutdown_timeout=opts.shutdown_timeout) |
773 |
|
774 |
|
775 |
def _ShutdownInstance(name, opts): |
776 |
"""Shutdown an instance. |
777 |
|
778 |
This returns the opcode to shutdown an instance, and its decorator |
779 |
will wrap this into a loop shutting down all desired instances. |
780 |
|
781 |
@param name: the name of the instance to act on |
782 |
@param opts: the command line options selected by the user |
783 |
@return: the opcode needed for the operation |
784 |
|
785 |
""" |
786 |
return opcodes.OpShutdownInstance(instance_name=name, |
787 |
timeout=opts.timeout) |
788 |
|
789 |
|
790 |
def ReplaceDisks(opts, args): |
791 |
"""Replace the disks of an instance |
792 |
|
793 |
@param opts: the command line options selected by the user |
794 |
@type args: list |
795 |
@param args: should contain only one element, the instance name |
796 |
@rtype: int |
797 |
@return: the desired exit code |
798 |
|
799 |
""" |
800 |
new_2ndary = opts.dst_node |
801 |
iallocator = opts.iallocator |
802 |
if opts.disks is None: |
803 |
disks = [] |
804 |
else: |
805 |
try: |
806 |
disks = [int(i) for i in opts.disks.split(",")] |
807 |
except (TypeError, ValueError), err: |
808 |
raise errors.OpPrereqError("Invalid disk index passed: %s" % str(err), |
809 |
errors.ECODE_INVAL) |
810 |
cnt = [opts.on_primary, opts.on_secondary, opts.auto, |
811 |
new_2ndary is not None, iallocator is not None].count(True) |
812 |
if cnt != 1: |
813 |
raise errors.OpPrereqError("One and only one of the -p, -s, -a, -n and -i" |
814 |
" options must be passed", errors.ECODE_INVAL) |
815 |
elif opts.on_primary: |
816 |
mode = constants.REPLACE_DISK_PRI |
817 |
elif opts.on_secondary: |
818 |
mode = constants.REPLACE_DISK_SEC |
819 |
elif opts.auto: |
820 |
mode = constants.REPLACE_DISK_AUTO |
821 |
if disks: |
822 |
raise errors.OpPrereqError("Cannot specify disks when using automatic" |
823 |
" mode", errors.ECODE_INVAL) |
824 |
elif new_2ndary is not None or iallocator is not None: |
825 |
# replace secondary |
826 |
mode = constants.REPLACE_DISK_CHG |
827 |
|
828 |
op = opcodes.OpReplaceDisks(instance_name=args[0], disks=disks, |
829 |
remote_node=new_2ndary, mode=mode, |
830 |
iallocator=iallocator, |
831 |
early_release=opts.early_release) |
832 |
SubmitOrSend(op, opts) |
833 |
return 0 |
834 |
|
835 |
|
836 |
def FailoverInstance(opts, args): |
837 |
"""Failover an instance. |
838 |
|
839 |
The failover is done by shutting it down on its present node and |
840 |
starting it on the secondary. |
841 |
|
842 |
@param opts: the command line options selected by the user |
843 |
@type args: list |
844 |
@param args: should contain only one element, the instance name |
845 |
@rtype: int |
846 |
@return: the desired exit code |
847 |
|
848 |
""" |
849 |
cl = GetClient() |
850 |
instance_name = args[0] |
851 |
force = opts.force |
852 |
|
853 |
if not force: |
854 |
_EnsureInstancesExist(cl, [instance_name]) |
855 |
|
856 |
usertext = ("Failover will happen to image %s." |
857 |
" This requires a shutdown of the instance. Continue?" % |
858 |
(instance_name,)) |
859 |
if not AskUser(usertext): |
860 |
return 1 |
861 |
|
862 |
op = opcodes.OpFailoverInstance(instance_name=instance_name, |
863 |
ignore_consistency=opts.ignore_consistency, |
864 |
shutdown_timeout=opts.shutdown_timeout) |
865 |
SubmitOrSend(op, opts, cl=cl) |
866 |
return 0 |
867 |
|
868 |
|
869 |
def MigrateInstance(opts, args): |
870 |
"""Migrate an instance. |
871 |
|
872 |
The migrate is done without shutdown. |
873 |
|
874 |
@param opts: the command line options selected by the user |
875 |
@type args: list |
876 |
@param args: should contain only one element, the instance name |
877 |
@rtype: int |
878 |
@return: the desired exit code |
879 |
|
880 |
""" |
881 |
cl = GetClient() |
882 |
instance_name = args[0] |
883 |
force = opts.force |
884 |
|
885 |
if not force: |
886 |
_EnsureInstancesExist(cl, [instance_name]) |
887 |
|
888 |
if opts.cleanup: |
889 |
usertext = ("Instance %s will be recovered from a failed migration." |
890 |
" Note that the migration procedure (including cleanup)" % |
891 |
(instance_name,)) |
892 |
else: |
893 |
usertext = ("Instance %s will be migrated. Note that migration" % |
894 |
(instance_name,)) |
895 |
usertext += (" might impact the instance if anything goes wrong" |
896 |
" (e.g. due to bugs in the hypervisor). Continue?") |
897 |
if not AskUser(usertext): |
898 |
return 1 |
899 |
|
900 |
# this should be removed once --non-live is deprecated |
901 |
if not opts.live and opts.migration_mode is not None: |
902 |
raise errors.OpPrereqError("Only one of the --non-live and " |
903 |
"--migration-mode options can be passed", |
904 |
errors.ECODE_INVAL) |
905 |
if not opts.live: # --non-live passed |
906 |
mode = constants.HT_MIGRATION_NONLIVE |
907 |
else: |
908 |
mode = opts.migration_mode |
909 |
|
910 |
op = opcodes.OpMigrateInstance(instance_name=instance_name, mode=mode, |
911 |
cleanup=opts.cleanup) |
912 |
SubmitOpCode(op, cl=cl, opts=opts) |
913 |
return 0 |
914 |
|
915 |
|
916 |
def MoveInstance(opts, args): |
917 |
"""Move an instance. |
918 |
|
919 |
@param opts: the command line options selected by the user |
920 |
@type args: list |
921 |
@param args: should contain only one element, the instance name |
922 |
@rtype: int |
923 |
@return: the desired exit code |
924 |
|
925 |
""" |
926 |
cl = GetClient() |
927 |
instance_name = args[0] |
928 |
force = opts.force |
929 |
|
930 |
if not force: |
931 |
usertext = ("Instance %s will be moved." |
932 |
" This requires a shutdown of the instance. Continue?" % |
933 |
(instance_name,)) |
934 |
if not AskUser(usertext): |
935 |
return 1 |
936 |
|
937 |
op = opcodes.OpMoveInstance(instance_name=instance_name, |
938 |
target_node=opts.node, |
939 |
shutdown_timeout=opts.shutdown_timeout) |
940 |
SubmitOrSend(op, opts, cl=cl) |
941 |
return 0 |
942 |
|
943 |
|
944 |
def ConnectToInstanceConsole(opts, args): |
945 |
"""Connect to the console of an instance. |
946 |
|
947 |
@param opts: the command line options selected by the user |
948 |
@type args: list |
949 |
@param args: should contain only one element, the instance name |
950 |
@rtype: int |
951 |
@return: the desired exit code |
952 |
|
953 |
""" |
954 |
instance_name = args[0] |
955 |
|
956 |
op = opcodes.OpConnectConsole(instance_name=instance_name) |
957 |
cmd = SubmitOpCode(op, opts=opts) |
958 |
|
959 |
if opts.show_command: |
960 |
ToStdout("%s", utils.ShellQuoteArgs(cmd)) |
961 |
else: |
962 |
try: |
963 |
os.execvp(cmd[0], cmd) |
964 |
finally: |
965 |
ToStderr("Can't run console command %s with arguments:\n'%s'", |
966 |
cmd[0], " ".join(cmd)) |
967 |
os._exit(1) # pylint: disable-msg=W0212 |
968 |
|
969 |
|
970 |
def _FormatLogicalID(dev_type, logical_id, roman): |
971 |
"""Formats the logical_id of a disk. |
972 |
|
973 |
""" |
974 |
if dev_type == constants.LD_DRBD8: |
975 |
node_a, node_b, port, minor_a, minor_b, key = logical_id |
976 |
data = [ |
977 |
("nodeA", "%s, minor=%s" % (node_a, compat.TryToRoman(minor_a, |
978 |
convert=roman))), |
979 |
("nodeB", "%s, minor=%s" % (node_b, compat.TryToRoman(minor_b, |
980 |
convert=roman))), |
981 |
("port", compat.TryToRoman(port, convert=roman)), |
982 |
("auth key", key), |
983 |
] |
984 |
elif dev_type == constants.LD_LV: |
985 |
vg_name, lv_name = logical_id |
986 |
data = ["%s/%s" % (vg_name, lv_name)] |
987 |
else: |
988 |
data = [str(logical_id)] |
989 |
|
990 |
return data |
991 |
|
992 |
|
993 |
def _FormatBlockDevInfo(idx, top_level, dev, static, roman): |
994 |
"""Show block device information. |
995 |
|
996 |
This is only used by L{ShowInstanceConfig}, but it's too big to be |
997 |
left for an inline definition. |
998 |
|
999 |
@type idx: int |
1000 |
@param idx: the index of the current disk |
1001 |
@type top_level: boolean |
1002 |
@param top_level: if this a top-level disk? |
1003 |
@type dev: dict |
1004 |
@param dev: dictionary with disk information |
1005 |
@type static: boolean |
1006 |
@param static: wheter the device information doesn't contain |
1007 |
runtime information but only static data |
1008 |
@type roman: boolean |
1009 |
@param roman: whether to try to use roman integers |
1010 |
@return: a list of either strings, tuples or lists |
1011 |
(which should be formatted at a higher indent level) |
1012 |
|
1013 |
""" |
1014 |
def helper(dtype, status): |
1015 |
"""Format one line for physical device status. |
1016 |
|
1017 |
@type dtype: str |
1018 |
@param dtype: a constant from the L{constants.LDS_BLOCK} set |
1019 |
@type status: tuple |
1020 |
@param status: a tuple as returned from L{backend.FindBlockDevice} |
1021 |
@return: the string representing the status |
1022 |
|
1023 |
""" |
1024 |
if not status: |
1025 |
return "not active" |
1026 |
txt = "" |
1027 |
(path, major, minor, syncp, estt, degr, ldisk_status) = status |
1028 |
if major is None: |
1029 |
major_string = "N/A" |
1030 |
else: |
1031 |
major_string = str(compat.TryToRoman(major, convert=roman)) |
1032 |
|
1033 |
if minor is None: |
1034 |
minor_string = "N/A" |
1035 |
else: |
1036 |
minor_string = str(compat.TryToRoman(minor, convert=roman)) |
1037 |
|
1038 |
txt += ("%s (%s:%s)" % (path, major_string, minor_string)) |
1039 |
if dtype in (constants.LD_DRBD8, ): |
1040 |
if syncp is not None: |
1041 |
sync_text = "*RECOVERING* %5.2f%%," % syncp |
1042 |
if estt: |
1043 |
sync_text += " ETA %ss" % compat.TryToRoman(estt, convert=roman) |
1044 |
else: |
1045 |
sync_text += " ETA unknown" |
1046 |
else: |
1047 |
sync_text = "in sync" |
1048 |
if degr: |
1049 |
degr_text = "*DEGRADED*" |
1050 |
else: |
1051 |
degr_text = "ok" |
1052 |
if ldisk_status == constants.LDS_FAULTY: |
1053 |
ldisk_text = " *MISSING DISK*" |
1054 |
elif ldisk_status == constants.LDS_UNKNOWN: |
1055 |
ldisk_text = " *UNCERTAIN STATE*" |
1056 |
else: |
1057 |
ldisk_text = "" |
1058 |
txt += (" %s, status %s%s" % (sync_text, degr_text, ldisk_text)) |
1059 |
elif dtype == constants.LD_LV: |
1060 |
if ldisk_status == constants.LDS_FAULTY: |
1061 |
ldisk_text = " *FAILED* (failed drive?)" |
1062 |
else: |
1063 |
ldisk_text = "" |
1064 |
txt += ldisk_text |
1065 |
return txt |
1066 |
|
1067 |
# the header |
1068 |
if top_level: |
1069 |
if dev["iv_name"] is not None: |
1070 |
txt = dev["iv_name"] |
1071 |
else: |
1072 |
txt = "disk %s" % compat.TryToRoman(idx, convert=roman) |
1073 |
else: |
1074 |
txt = "child %s" % compat.TryToRoman(idx, convert=roman) |
1075 |
if isinstance(dev["size"], int): |
1076 |
nice_size = utils.FormatUnit(dev["size"], "h") |
1077 |
else: |
1078 |
nice_size = dev["size"] |
1079 |
d1 = ["- %s: %s, size %s" % (txt, dev["dev_type"], nice_size)] |
1080 |
data = [] |
1081 |
if top_level: |
1082 |
data.append(("access mode", dev["mode"])) |
1083 |
if dev["logical_id"] is not None: |
1084 |
try: |
1085 |
l_id = _FormatLogicalID(dev["dev_type"], dev["logical_id"], roman) |
1086 |
except ValueError: |
1087 |
l_id = [str(dev["logical_id"])] |
1088 |
if len(l_id) == 1: |
1089 |
data.append(("logical_id", l_id[0])) |
1090 |
else: |
1091 |
data.extend(l_id) |
1092 |
elif dev["physical_id"] is not None: |
1093 |
data.append("physical_id:") |
1094 |
data.append([dev["physical_id"]]) |
1095 |
if not static: |
1096 |
data.append(("on primary", helper(dev["dev_type"], dev["pstatus"]))) |
1097 |
if dev["sstatus"] and not static: |
1098 |
data.append(("on secondary", helper(dev["dev_type"], dev["sstatus"]))) |
1099 |
|
1100 |
if dev["children"]: |
1101 |
data.append("child devices:") |
1102 |
for c_idx, child in enumerate(dev["children"]): |
1103 |
data.append(_FormatBlockDevInfo(c_idx, False, child, static, roman)) |
1104 |
d1.append(data) |
1105 |
return d1 |
1106 |
|
1107 |
|
1108 |
def _FormatList(buf, data, indent_level): |
1109 |
"""Formats a list of data at a given indent level. |
1110 |
|
1111 |
If the element of the list is: |
1112 |
- a string, it is simply formatted as is |
1113 |
- a tuple, it will be split into key, value and the all the |
1114 |
values in a list will be aligned all at the same start column |
1115 |
- a list, will be recursively formatted |
1116 |
|
1117 |
@type buf: StringIO |
1118 |
@param buf: the buffer into which we write the output |
1119 |
@param data: the list to format |
1120 |
@type indent_level: int |
1121 |
@param indent_level: the indent level to format at |
1122 |
|
1123 |
""" |
1124 |
max_tlen = max([len(elem[0]) for elem in data |
1125 |
if isinstance(elem, tuple)] or [0]) |
1126 |
for elem in data: |
1127 |
if isinstance(elem, basestring): |
1128 |
buf.write("%*s%s\n" % (2*indent_level, "", elem)) |
1129 |
elif isinstance(elem, tuple): |
1130 |
key, value = elem |
1131 |
spacer = "%*s" % (max_tlen - len(key), "") |
1132 |
buf.write("%*s%s:%s %s\n" % (2*indent_level, "", key, spacer, value)) |
1133 |
elif isinstance(elem, list): |
1134 |
_FormatList(buf, elem, indent_level+1) |
1135 |
|
1136 |
|
1137 |
def _FormatParameterDict(buf, per_inst, actual): |
1138 |
"""Formats a parameter dictionary. |
1139 |
|
1140 |
@type buf: L{StringIO} |
1141 |
@param buf: the buffer into which to write |
1142 |
@type per_inst: dict |
1143 |
@param per_inst: the instance's own parameters |
1144 |
@type actual: dict |
1145 |
@param actual: the current parameter set (including defaults) |
1146 |
|
1147 |
""" |
1148 |
for key in sorted(actual): |
1149 |
val = per_inst.get(key, "default (%s)" % actual[key]) |
1150 |
buf.write(" - %s: %s\n" % (key, val)) |
1151 |
|
1152 |
def ShowInstanceConfig(opts, args): |
1153 |
"""Compute instance run-time status. |
1154 |
|
1155 |
@param opts: the command line options selected by the user |
1156 |
@type args: list |
1157 |
@param args: either an empty list, and then we query all |
1158 |
instances, or should contain a list of instance names |
1159 |
@rtype: int |
1160 |
@return: the desired exit code |
1161 |
|
1162 |
""" |
1163 |
if not args and not opts.show_all: |
1164 |
ToStderr("No instance selected." |
1165 |
" Please pass in --all if you want to query all instances.\n" |
1166 |
"Note that this can take a long time on a big cluster.") |
1167 |
return 1 |
1168 |
elif args and opts.show_all: |
1169 |
ToStderr("Cannot use --all if you specify instance names.") |
1170 |
return 1 |
1171 |
|
1172 |
retcode = 0 |
1173 |
op = opcodes.OpQueryInstanceData(instances=args, static=opts.static) |
1174 |
result = SubmitOpCode(op, opts=opts) |
1175 |
if not result: |
1176 |
ToStdout("No instances.") |
1177 |
return 1 |
1178 |
|
1179 |
buf = StringIO() |
1180 |
retcode = 0 |
1181 |
for instance_name in result: |
1182 |
instance = result[instance_name] |
1183 |
buf.write("Instance name: %s\n" % instance["name"]) |
1184 |
buf.write("UUID: %s\n" % instance["uuid"]) |
1185 |
buf.write("Serial number: %s\n" % |
1186 |
compat.TryToRoman(instance["serial_no"], |
1187 |
convert=opts.roman_integers)) |
1188 |
buf.write("Creation time: %s\n" % utils.FormatTime(instance["ctime"])) |
1189 |
buf.write("Modification time: %s\n" % utils.FormatTime(instance["mtime"])) |
1190 |
buf.write("State: configured to be %s" % instance["config_state"]) |
1191 |
if not opts.static: |
1192 |
buf.write(", actual state is %s" % instance["run_state"]) |
1193 |
buf.write("\n") |
1194 |
##buf.write("Considered for memory checks in cluster verify: %s\n" % |
1195 |
## instance["auto_balance"]) |
1196 |
buf.write(" Nodes:\n") |
1197 |
buf.write(" - primary: %s\n" % instance["pnode"]) |
1198 |
buf.write(" - secondaries: %s\n" % utils.CommaJoin(instance["snodes"])) |
1199 |
buf.write(" Operating system: %s\n" % instance["os"]) |
1200 |
_FormatParameterDict(buf, instance["os_instance"], instance["os_actual"]) |
1201 |
if instance.has_key("network_port"): |
1202 |
buf.write(" Allocated network port: %s\n" % |
1203 |
compat.TryToRoman(instance["network_port"], |
1204 |
convert=opts.roman_integers)) |
1205 |
buf.write(" Hypervisor: %s\n" % instance["hypervisor"]) |
1206 |
|
1207 |
# custom VNC console information |
1208 |
vnc_bind_address = instance["hv_actual"].get(constants.HV_VNC_BIND_ADDRESS, |
1209 |
None) |
1210 |
if vnc_bind_address: |
1211 |
port = instance["network_port"] |
1212 |
display = int(port) - constants.VNC_BASE_PORT |
1213 |
if display > 0 and vnc_bind_address == constants.IP4_ADDRESS_ANY: |
1214 |
vnc_console_port = "%s:%s (display %s)" % (instance["pnode"], |
1215 |
port, |
1216 |
display) |
1217 |
elif display > 0 and netutils.IsValidIP4(vnc_bind_address): |
1218 |
vnc_console_port = ("%s:%s (node %s) (display %s)" % |
1219 |
(vnc_bind_address, port, |
1220 |
instance["pnode"], display)) |
1221 |
else: |
1222 |
# vnc bind address is a file |
1223 |
vnc_console_port = "%s:%s" % (instance["pnode"], |
1224 |
vnc_bind_address) |
1225 |
buf.write(" - console connection: vnc to %s\n" % vnc_console_port) |
1226 |
|
1227 |
_FormatParameterDict(buf, instance["hv_instance"], instance["hv_actual"]) |
1228 |
buf.write(" Hardware:\n") |
1229 |
buf.write(" - VCPUs: %s\n" % |
1230 |
compat.TryToRoman(instance["be_actual"][constants.BE_VCPUS], |
1231 |
convert=opts.roman_integers)) |
1232 |
buf.write(" - memory: %sMiB\n" % |
1233 |
compat.TryToRoman(instance["be_actual"][constants.BE_MEMORY], |
1234 |
convert=opts.roman_integers)) |
1235 |
buf.write(" - NICs:\n") |
1236 |
for idx, (ip, mac, mode, link) in enumerate(instance["nics"]): |
1237 |
buf.write(" - nic/%d: MAC: %s, IP: %s, mode: %s, link: %s\n" % |
1238 |
(idx, mac, ip, mode, link)) |
1239 |
buf.write(" Disks:\n") |
1240 |
|
1241 |
for idx, device in enumerate(instance["disks"]): |
1242 |
_FormatList(buf, _FormatBlockDevInfo(idx, True, device, opts.static, |
1243 |
opts.roman_integers), 2) |
1244 |
|
1245 |
ToStdout(buf.getvalue().rstrip('\n')) |
1246 |
return retcode |
1247 |
|
1248 |
|
1249 |
def SetInstanceParams(opts, args): |
1250 |
"""Modifies an instance. |
1251 |
|
1252 |
All parameters take effect only at the next restart of the instance. |
1253 |
|
1254 |
@param opts: the command line options selected by the user |
1255 |
@type args: list |
1256 |
@param args: should contain only one element, the instance name |
1257 |
@rtype: int |
1258 |
@return: the desired exit code |
1259 |
|
1260 |
""" |
1261 |
if not (opts.nics or opts.disks or opts.disk_template or |
1262 |
opts.hvparams or opts.beparams or opts.os or opts.osparams): |
1263 |
ToStderr("Please give at least one of the parameters.") |
1264 |
return 1 |
1265 |
|
1266 |
for param in opts.beparams: |
1267 |
if isinstance(opts.beparams[param], basestring): |
1268 |
if opts.beparams[param].lower() == "default": |
1269 |
opts.beparams[param] = constants.VALUE_DEFAULT |
1270 |
|
1271 |
utils.ForceDictType(opts.beparams, constants.BES_PARAMETER_TYPES, |
1272 |
allowed_values=[constants.VALUE_DEFAULT]) |
1273 |
|
1274 |
for param in opts.hvparams: |
1275 |
if isinstance(opts.hvparams[param], basestring): |
1276 |
if opts.hvparams[param].lower() == "default": |
1277 |
opts.hvparams[param] = constants.VALUE_DEFAULT |
1278 |
|
1279 |
utils.ForceDictType(opts.hvparams, constants.HVS_PARAMETER_TYPES, |
1280 |
allowed_values=[constants.VALUE_DEFAULT]) |
1281 |
|
1282 |
for idx, (nic_op, nic_dict) in enumerate(opts.nics): |
1283 |
try: |
1284 |
nic_op = int(nic_op) |
1285 |
opts.nics[idx] = (nic_op, nic_dict) |
1286 |
except (TypeError, ValueError): |
1287 |
pass |
1288 |
|
1289 |
for idx, (disk_op, disk_dict) in enumerate(opts.disks): |
1290 |
try: |
1291 |
disk_op = int(disk_op) |
1292 |
opts.disks[idx] = (disk_op, disk_dict) |
1293 |
except (TypeError, ValueError): |
1294 |
pass |
1295 |
if disk_op == constants.DDM_ADD: |
1296 |
if 'size' not in disk_dict: |
1297 |
raise errors.OpPrereqError("Missing required parameter 'size'", |
1298 |
errors.ECODE_INVAL) |
1299 |
disk_dict['size'] = utils.ParseUnit(disk_dict['size']) |
1300 |
|
1301 |
if (opts.disk_template and |
1302 |
opts.disk_template in constants.DTS_NET_MIRROR and |
1303 |
not opts.node): |
1304 |
ToStderr("Changing the disk template to a mirrored one requires" |
1305 |
" specifying a secondary node") |
1306 |
return 1 |
1307 |
|
1308 |
op = opcodes.OpSetInstanceParams(instance_name=args[0], |
1309 |
nics=opts.nics, |
1310 |
disks=opts.disks, |
1311 |
disk_template=opts.disk_template, |
1312 |
remote_node=opts.node, |
1313 |
hvparams=opts.hvparams, |
1314 |
beparams=opts.beparams, |
1315 |
os_name=opts.os, |
1316 |
osparams=opts.osparams, |
1317 |
force_variant=opts.force_variant, |
1318 |
force=opts.force) |
1319 |
|
1320 |
# even if here we process the result, we allow submit only |
1321 |
result = SubmitOrSend(op, opts) |
1322 |
|
1323 |
if result: |
1324 |
ToStdout("Modified instance %s", args[0]) |
1325 |
for param, data in result: |
1326 |
ToStdout(" - %-5s -> %s", param, data) |
1327 |
ToStdout("Please don't forget that most parameters take effect" |
1328 |
" only at the next start of the instance.") |
1329 |
return 0 |
1330 |
|
1331 |
|
1332 |
# multi-instance selection options |
1333 |
m_force_multi = cli_option("--force-multiple", dest="force_multi", |
1334 |
help="Do not ask for confirmation when more than" |
1335 |
" one instance is affected", |
1336 |
action="store_true", default=False) |
1337 |
|
1338 |
m_pri_node_opt = cli_option("--primary", dest="multi_mode", |
1339 |
help="Filter by nodes (primary only)", |
1340 |
const=_SHUTDOWN_NODES_PRI, action="store_const") |
1341 |
|
1342 |
m_sec_node_opt = cli_option("--secondary", dest="multi_mode", |
1343 |
help="Filter by nodes (secondary only)", |
1344 |
const=_SHUTDOWN_NODES_SEC, action="store_const") |
1345 |
|
1346 |
m_node_opt = cli_option("--node", dest="multi_mode", |
1347 |
help="Filter by nodes (primary and secondary)", |
1348 |
const=_SHUTDOWN_NODES_BOTH, action="store_const") |
1349 |
|
1350 |
m_clust_opt = cli_option("--all", dest="multi_mode", |
1351 |
help="Select all instances in the cluster", |
1352 |
const=_SHUTDOWN_CLUSTER, action="store_const") |
1353 |
|
1354 |
m_inst_opt = cli_option("--instance", dest="multi_mode", |
1355 |
help="Filter by instance name [default]", |
1356 |
const=_SHUTDOWN_INSTANCES, action="store_const") |
1357 |
|
1358 |
m_node_tags_opt = cli_option("--node-tags", dest="multi_mode", |
1359 |
help="Filter by node tag", |
1360 |
const=_SHUTDOWN_NODES_BOTH_BY_TAGS, |
1361 |
action="store_const") |
1362 |
|
1363 |
m_pri_node_tags_opt = cli_option("--pri-node-tags", dest="multi_mode", |
1364 |
help="Filter by primary node tag", |
1365 |
const=_SHUTDOWN_NODES_PRI_BY_TAGS, |
1366 |
action="store_const") |
1367 |
|
1368 |
m_sec_node_tags_opt = cli_option("--sec-node-tags", dest="multi_mode", |
1369 |
help="Filter by secondary node tag", |
1370 |
const=_SHUTDOWN_NODES_SEC_BY_TAGS, |
1371 |
action="store_const") |
1372 |
|
1373 |
m_inst_tags_opt = cli_option("--tags", dest="multi_mode", |
1374 |
help="Filter by instance tag", |
1375 |
const=_SHUTDOWN_INSTANCES_BY_TAGS, |
1376 |
action="store_const") |
1377 |
|
1378 |
# this is defined separately due to readability only |
1379 |
add_opts = [ |
1380 |
BACKEND_OPT, |
1381 |
DISK_OPT, |
1382 |
DISK_TEMPLATE_OPT, |
1383 |
FILESTORE_DIR_OPT, |
1384 |
FILESTORE_DRIVER_OPT, |
1385 |
HYPERVISOR_OPT, |
1386 |
IALLOCATOR_OPT, |
1387 |
NET_OPT, |
1388 |
NODE_PLACEMENT_OPT, |
1389 |
NOIPCHECK_OPT, |
1390 |
NONAMECHECK_OPT, |
1391 |
NONICS_OPT, |
1392 |
NOSTART_OPT, |
1393 |
NWSYNC_OPT, |
1394 |
OSPARAMS_OPT, |
1395 |
OS_OPT, |
1396 |
FORCE_VARIANT_OPT, |
1397 |
NO_INSTALL_OPT, |
1398 |
OS_SIZE_OPT, |
1399 |
SUBMIT_OPT, |
1400 |
DRY_RUN_OPT, |
1401 |
] |
1402 |
|
1403 |
commands = { |
1404 |
'add': ( |
1405 |
AddInstance, [ArgHost(min=1, max=1)], add_opts, |
1406 |
"[...] -t disk-type -n node[:secondary-node] -o os-type <name>", |
1407 |
"Creates and adds a new instance to the cluster"), |
1408 |
'batch-create': ( |
1409 |
BatchCreate, [ArgFile(min=1, max=1)], [DRY_RUN_OPT], |
1410 |
"<instances.json>", |
1411 |
"Create a bunch of instances based on specs in the file."), |
1412 |
'console': ( |
1413 |
ConnectToInstanceConsole, ARGS_ONE_INSTANCE, |
1414 |
[SHOWCMD_OPT], |
1415 |
"[--show-cmd] <instance>", "Opens a console on the specified instance"), |
1416 |
'failover': ( |
1417 |
FailoverInstance, ARGS_ONE_INSTANCE, |
1418 |
[FORCE_OPT, IGNORE_CONSIST_OPT, SUBMIT_OPT, SHUTDOWN_TIMEOUT_OPT, |
1419 |
DRY_RUN_OPT], |
1420 |
"[-f] <instance>", "Stops the instance and starts it on the backup node," |
1421 |
" using the remote mirror (only for instances of type drbd)"), |
1422 |
'migrate': ( |
1423 |
MigrateInstance, ARGS_ONE_INSTANCE, |
1424 |
[FORCE_OPT, NONLIVE_OPT, MIGRATION_MODE_OPT, CLEANUP_OPT, DRY_RUN_OPT], |
1425 |
"[-f] <instance>", "Migrate instance to its secondary node" |
1426 |
" (only for instances of type drbd)"), |
1427 |
'move': ( |
1428 |
MoveInstance, ARGS_ONE_INSTANCE, |
1429 |
[FORCE_OPT, SUBMIT_OPT, SINGLE_NODE_OPT, SHUTDOWN_TIMEOUT_OPT, |
1430 |
DRY_RUN_OPT], |
1431 |
"[-f] <instance>", "Move instance to an arbitrary node" |
1432 |
" (only for instances of type file and lv)"), |
1433 |
'info': ( |
1434 |
ShowInstanceConfig, ARGS_MANY_INSTANCES, |
1435 |
[STATIC_OPT, ALL_OPT, ROMAN_OPT], |
1436 |
"[-s] {--all | <instance>...}", |
1437 |
"Show information on the specified instance(s)"), |
1438 |
'list': ( |
1439 |
ListInstances, ARGS_MANY_INSTANCES, |
1440 |
[NOHDR_OPT, SEP_OPT, USEUNITS_OPT, FIELDS_OPT, SYNC_OPT, ROMAN_OPT], |
1441 |
"[<instance>...]", |
1442 |
"Lists the instances and their status. The available fields are" |
1443 |
" (see the man page for details): status, oper_state, oper_ram," |
1444 |
" oper_vcpus, name, os, pnode, snodes, admin_state, admin_ram," |
1445 |
" disk_template, ip, mac, nic_mode, nic_link, sda_size, sdb_size," |
1446 |
" vcpus, serial_no," |
1447 |
" nic.count, nic.mac/N, nic.ip/N, nic.mode/N, nic.link/N," |
1448 |
" nic.macs, nic.ips, nic.modes, nic.links," |
1449 |
" disk.count, disk.size/N, disk.sizes," |
1450 |
" hv/NAME, be/memory, be/vcpus, be/auto_balance," |
1451 |
" hypervisor." |
1452 |
" The default field" |
1453 |
" list is (in order): %s." % utils.CommaJoin(_LIST_DEF_FIELDS), |
1454 |
), |
1455 |
'reinstall': ( |
1456 |
ReinstallInstance, [ArgInstance()], |
1457 |
[FORCE_OPT, OS_OPT, FORCE_VARIANT_OPT, m_force_multi, m_node_opt, |
1458 |
m_pri_node_opt, m_sec_node_opt, m_clust_opt, m_inst_opt, m_node_tags_opt, |
1459 |
m_pri_node_tags_opt, m_sec_node_tags_opt, m_inst_tags_opt, SELECT_OS_OPT, |
1460 |
SUBMIT_OPT, DRY_RUN_OPT], |
1461 |
"[-f] <instance>", "Reinstall a stopped instance"), |
1462 |
'remove': ( |
1463 |
RemoveInstance, ARGS_ONE_INSTANCE, |
1464 |
[FORCE_OPT, SHUTDOWN_TIMEOUT_OPT, IGNORE_FAILURES_OPT, SUBMIT_OPT, |
1465 |
DRY_RUN_OPT], |
1466 |
"[-f] <instance>", "Shuts down the instance and removes it"), |
1467 |
'rename': ( |
1468 |
RenameInstance, |
1469 |
[ArgInstance(min=1, max=1), ArgHost(min=1, max=1)], |
1470 |
[NOIPCHECK_OPT, NONAMECHECK_OPT, SUBMIT_OPT, DRY_RUN_OPT], |
1471 |
"<instance> <new_name>", "Rename the instance"), |
1472 |
'replace-disks': ( |
1473 |
ReplaceDisks, ARGS_ONE_INSTANCE, |
1474 |
[AUTO_REPLACE_OPT, DISKIDX_OPT, IALLOCATOR_OPT, EARLY_RELEASE_OPT, |
1475 |
NEW_SECONDARY_OPT, ON_PRIMARY_OPT, ON_SECONDARY_OPT, SUBMIT_OPT, |
1476 |
DRY_RUN_OPT], |
1477 |
"[-s|-p|-n NODE|-I NAME] <instance>", |
1478 |
"Replaces all disks for the instance"), |
1479 |
'modify': ( |
1480 |
SetInstanceParams, ARGS_ONE_INSTANCE, |
1481 |
[BACKEND_OPT, DISK_OPT, FORCE_OPT, HVOPTS_OPT, NET_OPT, SUBMIT_OPT, |
1482 |
DISK_TEMPLATE_OPT, SINGLE_NODE_OPT, OS_OPT, FORCE_VARIANT_OPT, |
1483 |
OSPARAMS_OPT, DRY_RUN_OPT], |
1484 |
"<instance>", "Alters the parameters of an instance"), |
1485 |
'shutdown': ( |
1486 |
GenericManyOps("shutdown", _ShutdownInstance), [ArgInstance()], |
1487 |
[m_node_opt, m_pri_node_opt, m_sec_node_opt, m_clust_opt, |
1488 |
m_node_tags_opt, m_pri_node_tags_opt, m_sec_node_tags_opt, |
1489 |
m_inst_tags_opt, m_inst_opt, m_force_multi, TIMEOUT_OPT, SUBMIT_OPT, |
1490 |
DRY_RUN_OPT], |
1491 |
"<instance>", "Stops an instance"), |
1492 |
'startup': ( |
1493 |
GenericManyOps("startup", _StartupInstance), [ArgInstance()], |
1494 |
[FORCE_OPT, m_force_multi, m_node_opt, m_pri_node_opt, m_sec_node_opt, |
1495 |
m_node_tags_opt, m_pri_node_tags_opt, m_sec_node_tags_opt, |
1496 |
m_inst_tags_opt, m_clust_opt, m_inst_opt, SUBMIT_OPT, HVOPTS_OPT, |
1497 |
BACKEND_OPT, DRY_RUN_OPT], |
1498 |
"<instance>", "Starts an instance"), |
1499 |
'reboot': ( |
1500 |
GenericManyOps("reboot", _RebootInstance), [ArgInstance()], |
1501 |
[m_force_multi, REBOOT_TYPE_OPT, IGNORE_SECONDARIES_OPT, m_node_opt, |
1502 |
m_pri_node_opt, m_sec_node_opt, m_clust_opt, m_inst_opt, SUBMIT_OPT, |
1503 |
m_node_tags_opt, m_pri_node_tags_opt, m_sec_node_tags_opt, |
1504 |
m_inst_tags_opt, SHUTDOWN_TIMEOUT_OPT, DRY_RUN_OPT], |
1505 |
"<instance>", "Reboots an instance"), |
1506 |
'activate-disks': ( |
1507 |
ActivateDisks, ARGS_ONE_INSTANCE, |
1508 |
[SUBMIT_OPT, IGNORE_SIZE_OPT], |
1509 |
"<instance>", "Activate an instance's disks"), |
1510 |
'deactivate-disks': ( |
1511 |
DeactivateDisks, ARGS_ONE_INSTANCE, [SUBMIT_OPT, DRY_RUN_OPT], |
1512 |
"<instance>", "Deactivate an instance's disks"), |
1513 |
'recreate-disks': ( |
1514 |
RecreateDisks, ARGS_ONE_INSTANCE, [SUBMIT_OPT, DISKIDX_OPT, DRY_RUN_OPT], |
1515 |
"<instance>", "Recreate an instance's disks"), |
1516 |
'grow-disk': ( |
1517 |
GrowDisk, |
1518 |
[ArgInstance(min=1, max=1), ArgUnknown(min=1, max=1), |
1519 |
ArgUnknown(min=1, max=1)], |
1520 |
[SUBMIT_OPT, NWSYNC_OPT, DRY_RUN_OPT], |
1521 |
"<instance> <disk> <size>", "Grow an instance's disk"), |
1522 |
'list-tags': ( |
1523 |
ListTags, ARGS_ONE_INSTANCE, [], |
1524 |
"<instance_name>", "List the tags of the given instance"), |
1525 |
'add-tags': ( |
1526 |
AddTags, [ArgInstance(min=1, max=1), ArgUnknown()], |
1527 |
[TAG_SRC_OPT], |
1528 |
"<instance_name> tag...", "Add tags to the given instance"), |
1529 |
'remove-tags': ( |
1530 |
RemoveTags, [ArgInstance(min=1, max=1), ArgUnknown()], |
1531 |
[TAG_SRC_OPT], |
1532 |
"<instance_name> tag...", "Remove tags from given instance"), |
1533 |
} |
1534 |
|
1535 |
#: dictionary with aliases for commands |
1536 |
aliases = { |
1537 |
'activate_block_devs': 'activate-disks', |
1538 |
'replace_disks': 'replace-disks', |
1539 |
'start': 'startup', |
1540 |
'stop': 'shutdown', |
1541 |
} |
1542 |
|
1543 |
|
1544 |
if __name__ == '__main__': |
1545 |
sys.exit(GenericMain(commands, aliases=aliases, |
1546 |
override={"tag_type": constants.TAG_INSTANCE})) |