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#!/usr/bin/python |
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# |
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|
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# Copyright (C) 2006, 2007 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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|
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import sys |
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import os |
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import itertools |
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from optparse import make_option |
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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 logger |
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from ganeti import constants |
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from ganeti import utils |
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from ganeti import errors |
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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_INSTANCES = "instances" |
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|
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|
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_VALUE_TRUE = "true" |
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|
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_LIST_DEF_FIELDS = [ |
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"name", "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): |
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"""Expand the given names using the passed mode. |
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|
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Args: |
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- mode, which can be one of _SHUTDOWN_CLUSTER, _SHUTDOWN_NODES_BOTH, |
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_SHUTDOWN_NODES_PRI, _SHUTDOWN_NODES_SEC or _SHUTDOWN_INSTANCES |
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- names, which is 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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|
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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 shutdown. 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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""" |
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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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op = opcodes.OpQueryInstances(output_fields=["name"], names=[]) |
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idata = SubmitOpCode(op) |
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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): |
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if not names: |
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raise errors.OpPrereqError("No node names passed") |
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op = opcodes.OpQueryNodes(output_fields=["name", "pinst_list", |
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"sinst_list"], names=names) |
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ndata = SubmitOpCode(op) |
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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 == _SHUTDOWN_NODES_BOTH: |
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inames = pri_names + sec_names |
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elif mode == _SHUTDOWN_NODES_PRI: |
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inames = pri_names |
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elif mode == _SHUTDOWN_NODES_SEC: |
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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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|
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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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op = opcodes.OpQueryInstances(output_fields=["name"], names=names) |
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idata = SubmitOpCode(op) |
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inames = [row[0] for row in idata] |
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|
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else: |
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raise errors.OpPrereqError("Unknown mode '%s'" % mode) |
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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): |
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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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The inames argument is what the selection algorithm computed, and |
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the text argument is the operation we should tell the user to |
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confirm (e.g. 'shutdown' or 'startup'). |
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|
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Returns: boolean 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" |
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"Do you want to continue?" % (text, count)) |
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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 _TransformPath(user_input): |
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"""Transform a user path into a canonical value. |
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|
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This function transforms the a path passed as textual information |
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into the constants that the LU code expects. |
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|
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""" |
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if user_input: |
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if user_input.lower() == "default": |
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result_path = constants.VALUE_DEFAULT |
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elif user_input.lower() == "none": |
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result_path = constants.VALUE_NONE |
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else: |
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if not os.path.isabs(user_input): |
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raise errors.OpPrereqError("Path '%s' is not an absolute filename" % |
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user_input) |
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result_path = user_input |
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else: |
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result_path = constants.VALUE_DEFAULT |
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|
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return result_path |
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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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""" |
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if opts.output is None: |
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selected_fields = _LIST_DEF_FIELDS |
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elif opts.output.startswith("+"): |
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selected_fields = _LIST_DEF_FIELDS + opts.output[1:].split(",") |
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else: |
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selected_fields = opts.output.split(",") |
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|
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output = GetClient().QueryInstances([], selected_fields) |
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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", "admin_ram": "Configured_memory", |
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"oper_ram": "Memory", "disk_template": "Disk_template", |
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"ip": "IP Address", "mac": "MAC Address", |
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"bridge": "Bridge", "vcpus": "VCPUs", |
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"sda_size": "Disk/0", "sdb_size": "Disk/1", |
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"status": "Status", "tags": "Tags", |
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} |
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else: |
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headers = None |
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|
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if opts.human_readable: |
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unitfields = ["admin_ram", "oper_ram", "sda_size", "sdb_size"] |
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else: |
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unitfields = None |
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|
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numfields = ["admin_ram", "oper_ram", "sda_size", "sdb_size", "vcpus"] |
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|
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list_type_fields = ("tags",) |
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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 == "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 in list_type_fields: |
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val = ",".join(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) |
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|
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for line in data: |
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logger.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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Args: |
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opts - class with options as members |
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args - list with a single element, the instance name |
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Opts used: |
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mem - amount of memory to allocate to instance (MiB) |
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size - amount of disk space to allocate to instance (MiB) |
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os - which OS to run on instance |
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node - node to run new instance on |
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|
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""" |
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instance = args[0] |
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|
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(pnode, snode) = SplitNodeOption(opts.node) |
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|
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kernel_path = _TransformPath(opts.kernel_path) |
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initrd_path = _TransformPath(opts.initrd_path) |
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|
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hvm_acpi = opts.hvm_acpi == _VALUE_TRUE |
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hvm_pae = opts.hvm_pae == _VALUE_TRUE |
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|
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if ((opts.hvm_cdrom_image_path is not None) and |
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(opts.hvm_cdrom_image_path.lower() == constants.VALUE_NONE)): |
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hvm_cdrom_image_path = None |
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else: |
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hvm_cdrom_image_path = opts.hvm_cdrom_image_path |
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|
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op = opcodes.OpCreateInstance(instance_name=instance, mem_size=opts.mem, |
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disk_size=opts.size, swap_size=opts.swap, |
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disk_template=opts.disk_template, |
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mode=constants.INSTANCE_CREATE, |
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os_type=opts.os, pnode=pnode, |
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snode=snode, vcpus=opts.vcpus, |
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ip=opts.ip, bridge=opts.bridge, |
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start=opts.start, ip_check=opts.ip_check, |
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wait_for_sync=opts.wait_for_sync, |
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mac=opts.mac, |
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kernel_path=kernel_path, |
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initrd_path=initrd_path, |
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iallocator=opts.iallocator, |
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hvm_boot_order=opts.hvm_boot_order, |
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file_storage_dir=opts.file_storage_dir, |
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file_driver=opts.file_driver, |
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hvm_acpi=hvm_acpi, hvm_pae=hvm_pae, |
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hvm_cdrom_image_path=hvm_cdrom_image_path, |
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vnc_bind_address=opts.vnc_bind_address, |
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hvm_nic_type=opts.hvm_nic_type, |
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hvm_disk_type=opts.hvm_disk_type) |
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|
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SubmitOpCode(op) |
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return 0 |
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|
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|
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def ReinstallInstance(opts, args): |
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"""Reinstall an instance. |
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|
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Args: |
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opts - class with options as members |
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args - list containing a single element, the instance name |
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|
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""" |
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instance_name = args[0] |
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|
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if opts.select_os is True: |
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op = opcodes.OpDiagnoseOS(output_fields=["name", "valid"], names=[]) |
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result = SubmitOpCode(op) |
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|
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if not result: |
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logger.ToStdout("Can't get the OS list") |
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return 1 |
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|
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logger.ToStdout("Available OS templates:") |
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number = 0 |
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choices = [] |
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for entry in result: |
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logger.ToStdout("%3s: %s" % (number, entry[0])) |
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choices.append(("%s" % number, entry[0], entry[0])) |
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number = number + 1 |
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|
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choices.append(('x', 'exit', 'Exit gnt-instance reinstall')) |
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selected = AskUser("Enter OS template name or number (or x to abort):", |
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choices) |
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|
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if selected == 'exit': |
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logger.ToStdout("User aborted reinstall, exiting") |
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return 1 |
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|
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os = selected |
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else: |
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os = opts.os |
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|
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if not opts.force: |
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usertext = ("This will reinstall the instance %s and remove" |
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" all data. Continue?") % instance_name |
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if not AskUser(usertext): |
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return 1 |
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|
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op = opcodes.OpReinstallInstance(instance_name=instance_name, |
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os_type=os) |
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SubmitOpCode(op) |
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|
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return 0 |
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|
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|
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def RemoveInstance(opts, args): |
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"""Remove an instance. |
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|
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Args: |
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opts - class with options as members |
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args - list containing a single element, the instance name |
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|
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""" |
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instance_name = args[0] |
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force = opts.force |
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|
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if not force: |
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usertext = ("This will remove the volumes of the instance %s" |
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" (including mirrors), thus removing all the data" |
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" of the instance. Continue?") % instance_name |
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if not AskUser(usertext): |
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return 1 |
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|
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op = opcodes.OpRemoveInstance(instance_name=instance_name, |
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ignore_failures=opts.ignore_failures) |
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SubmitOpCode(op) |
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return 0 |
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|
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|
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def RenameInstance(opts, args): |
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"""Rename an instance. |
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|
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Args: |
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opts - class with options as members |
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args - list containing two elements, the instance name and the new name |
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|
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""" |
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op = opcodes.OpRenameInstance(instance_name=args[0], |
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new_name=args[1], |
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ignore_ip=opts.ignore_ip) |
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SubmitOpCode(op) |
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|
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return 0 |
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|
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|
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def ActivateDisks(opts, args): |
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"""Activate an instance's disks. |
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|
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This serves two purposes: |
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- it allows one (as long as the instance is not running) to mount |
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the disks and modify them from the node |
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- it repairs inactive secondary drbds |
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|
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""" |
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instance_name = args[0] |
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op = opcodes.OpActivateInstanceDisks(instance_name=instance_name) |
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disks_info = SubmitOpCode(op) |
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for host, iname, nname in disks_info: |
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print "%s:%s:%s" % (host, iname, nname) |
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return 0 |
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|
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|
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def DeactivateDisks(opts, args): |
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"""Command-line interface for _ShutdownInstanceBlockDevices. |
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|
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This function takes the instance name, looks for its primary node |
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and the tries to shutdown its block devices on that node. |
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|
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""" |
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instance_name = args[0] |
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op = opcodes.OpDeactivateInstanceDisks(instance_name=instance_name) |
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SubmitOpCode(op) |
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return 0 |
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|
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|
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def GrowDisk(opts, args): |
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"""Command-line interface for _ShutdownInstanceBlockDevices. |
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|
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This function takes the instance name, looks for its primary node |
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and the tries to shutdown its block devices on that node. |
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|
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""" |
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instance = args[0] |
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disk = args[1] |
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amount = utils.ParseUnit(args[2]) |
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op = opcodes.OpGrowDisk(instance_name=instance, disk=disk, amount=amount) |
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SubmitOpCode(op) |
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return 0 |
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|
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|
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def StartupInstance(opts, args): |
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"""Startup an instance. |
434 |
|
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Args: |
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opts - class with options as members |
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args - list containing a single element, the instance name |
438 |
|
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""" |
440 |
if opts.multi_mode is None: |
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opts.multi_mode = _SHUTDOWN_INSTANCES |
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inames = _ExpandMultiNames(opts.multi_mode, args) |
443 |
if not inames: |
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raise errors.OpPrereqError("Selection filter does not match any instances") |
445 |
multi_on = opts.multi_mode != _SHUTDOWN_INSTANCES or len(inames) > 1 |
446 |
if not (opts.force_multi or not multi_on |
447 |
or _ConfirmOperation(inames, "startup")): |
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return 1 |
449 |
for name in inames: |
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op = opcodes.OpStartupInstance(instance_name=name, |
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force=opts.force, |
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extra_args=opts.extra_args) |
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if multi_on: |
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logger.ToStdout("Starting up %s" % name) |
455 |
SubmitOpCode(op) |
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return 0 |
457 |
|
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|
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def RebootInstance(opts, args): |
460 |
"""Reboot an instance |
461 |
|
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Args: |
463 |
opts - class with options as members |
464 |
args - list containing a single element, the instance name |
465 |
|
466 |
""" |
467 |
if opts.multi_mode is None: |
468 |
opts.multi_mode = _SHUTDOWN_INSTANCES |
469 |
inames = _ExpandMultiNames(opts.multi_mode, args) |
470 |
if not inames: |
471 |
raise errors.OpPrereqError("Selection filter does not match any instances") |
472 |
multi_on = opts.multi_mode != _SHUTDOWN_INSTANCES or len(inames) > 1 |
473 |
if not (opts.force_multi or not multi_on |
474 |
or _ConfirmOperation(inames, "reboot")): |
475 |
return 1 |
476 |
for name in inames: |
477 |
op = opcodes.OpRebootInstance(instance_name=name, |
478 |
reboot_type=opts.reboot_type, |
479 |
ignore_secondaries=opts.ignore_secondaries) |
480 |
|
481 |
SubmitOpCode(op) |
482 |
return 0 |
483 |
|
484 |
|
485 |
def ShutdownInstance(opts, args): |
486 |
"""Shutdown an instance. |
487 |
|
488 |
Args: |
489 |
opts - class with options as members |
490 |
args - list containing a single element, the instance name |
491 |
|
492 |
""" |
493 |
if opts.multi_mode is None: |
494 |
opts.multi_mode = _SHUTDOWN_INSTANCES |
495 |
inames = _ExpandMultiNames(opts.multi_mode, args) |
496 |
if not inames: |
497 |
raise errors.OpPrereqError("Selection filter does not match any instances") |
498 |
multi_on = opts.multi_mode != _SHUTDOWN_INSTANCES or len(inames) > 1 |
499 |
if not (opts.force_multi or not multi_on |
500 |
or _ConfirmOperation(inames, "shutdown")): |
501 |
return 1 |
502 |
for name in inames: |
503 |
op = opcodes.OpShutdownInstance(instance_name=name) |
504 |
if multi_on: |
505 |
logger.ToStdout("Shutting down %s" % name) |
506 |
SubmitOpCode(op) |
507 |
return 0 |
508 |
|
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|
510 |
def ReplaceDisks(opts, args): |
511 |
"""Replace the disks of an instance |
512 |
|
513 |
Args: |
514 |
opts - class with options as members |
515 |
args - list with a single element, the instance name |
516 |
|
517 |
""" |
518 |
instance_name = args[0] |
519 |
new_2ndary = opts.new_secondary |
520 |
iallocator = opts.iallocator |
521 |
if opts.disks is None: |
522 |
disks = ["sda", "sdb"] |
523 |
else: |
524 |
disks = opts.disks.split(",") |
525 |
if opts.on_primary == opts.on_secondary: # no -p or -s passed, or both passed |
526 |
mode = constants.REPLACE_DISK_ALL |
527 |
elif opts.on_primary: # only on primary: |
528 |
mode = constants.REPLACE_DISK_PRI |
529 |
if new_2ndary is not None or iallocator is not None: |
530 |
raise errors.OpPrereqError("Can't change secondary node on primary disk" |
531 |
" replacement") |
532 |
elif opts.on_secondary is not None or iallocator is not None: |
533 |
# only on secondary |
534 |
mode = constants.REPLACE_DISK_SEC |
535 |
|
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op = opcodes.OpReplaceDisks(instance_name=args[0], disks=disks, |
537 |
remote_node=new_2ndary, mode=mode, |
538 |
iallocator=iallocator) |
539 |
SubmitOpCode(op) |
540 |
return 0 |
541 |
|
542 |
|
543 |
def FailoverInstance(opts, args): |
544 |
"""Failover an instance. |
545 |
|
546 |
The failover is done by shutting it down on its present node and |
547 |
starting it on the secondary. |
548 |
|
549 |
Args: |
550 |
opts - class with options as members |
551 |
args - list with a single element, the instance name |
552 |
Opts used: |
553 |
force - whether to failover without asking questions. |
554 |
|
555 |
""" |
556 |
instance_name = args[0] |
557 |
force = opts.force |
558 |
|
559 |
if not force: |
560 |
usertext = ("Failover will happen to image %s." |
561 |
" This requires a shutdown of the instance. Continue?" % |
562 |
(instance_name,)) |
563 |
if not AskUser(usertext): |
564 |
return 1 |
565 |
|
566 |
op = opcodes.OpFailoverInstance(instance_name=instance_name, |
567 |
ignore_consistency=opts.ignore_consistency) |
568 |
SubmitOpCode(op) |
569 |
return 0 |
570 |
|
571 |
|
572 |
def ConnectToInstanceConsole(opts, args): |
573 |
"""Connect to the console of an instance. |
574 |
|
575 |
Args: |
576 |
opts - class with options as members |
577 |
args - list with a single element, the instance name |
578 |
|
579 |
""" |
580 |
instance_name = args[0] |
581 |
|
582 |
op = opcodes.OpConnectConsole(instance_name=instance_name) |
583 |
cmd = SubmitOpCode(op) |
584 |
|
585 |
if opts.show_command: |
586 |
print utils.ShellQuoteArgs(cmd) |
587 |
else: |
588 |
try: |
589 |
os.execvp(cmd[0], cmd) |
590 |
finally: |
591 |
sys.stderr.write("Can't run console command %s with arguments:\n'%s'" % |
592 |
(cmd, " ".join(argv))) |
593 |
os._exit(1) |
594 |
|
595 |
|
596 |
def _FormatBlockDevInfo(buf, dev, indent_level): |
597 |
"""Show block device information. |
598 |
|
599 |
This is only used by ShowInstanceConfig(), but it's too big to be |
600 |
left for an inline definition. |
601 |
|
602 |
""" |
603 |
def helper(buf, dtype, status): |
604 |
"""Format one line for physical device status.""" |
605 |
if not status: |
606 |
buf.write("not active\n") |
607 |
else: |
608 |
(path, major, minor, syncp, estt, degr, ldisk) = status |
609 |
if major is None: |
610 |
major_string = "N/A" |
611 |
else: |
612 |
major_string = str(major) |
613 |
|
614 |
if minor is None: |
615 |
minor_string = "N/A" |
616 |
else: |
617 |
minor_string = str(minor) |
618 |
|
619 |
buf.write("%s (%s:%s)" % (path, major_string, minor_string)) |
620 |
if dtype in (constants.LD_DRBD8, ): |
621 |
if syncp is not None: |
622 |
sync_text = "*RECOVERING* %5.2f%%," % syncp |
623 |
if estt: |
624 |
sync_text += " ETA %ds" % estt |
625 |
else: |
626 |
sync_text += " ETA unknown" |
627 |
else: |
628 |
sync_text = "in sync" |
629 |
if degr: |
630 |
degr_text = "*DEGRADED*" |
631 |
else: |
632 |
degr_text = "ok" |
633 |
if ldisk: |
634 |
ldisk_text = " *MISSING DISK*" |
635 |
else: |
636 |
ldisk_text = "" |
637 |
buf.write(" %s, status %s%s" % (sync_text, degr_text, ldisk_text)) |
638 |
elif dtype == constants.LD_LV: |
639 |
if ldisk: |
640 |
ldisk_text = " *FAILED* (failed drive?)" |
641 |
else: |
642 |
ldisk_text = "" |
643 |
buf.write(ldisk_text) |
644 |
buf.write("\n") |
645 |
|
646 |
if dev["iv_name"] is not None: |
647 |
data = " - %s, " % dev["iv_name"] |
648 |
else: |
649 |
data = " - " |
650 |
data += "type: %s" % dev["dev_type"] |
651 |
if dev["logical_id"] is not None: |
652 |
data += ", logical_id: %s" % (dev["logical_id"],) |
653 |
elif dev["physical_id"] is not None: |
654 |
data += ", physical_id: %s" % (dev["physical_id"],) |
655 |
buf.write("%*s%s\n" % (2*indent_level, "", data)) |
656 |
buf.write("%*s primary: " % (2*indent_level, "")) |
657 |
helper(buf, dev["dev_type"], dev["pstatus"]) |
658 |
|
659 |
if dev["sstatus"]: |
660 |
buf.write("%*s secondary: " % (2*indent_level, "")) |
661 |
helper(buf, dev["dev_type"], dev["sstatus"]) |
662 |
|
663 |
if dev["children"]: |
664 |
for child in dev["children"]: |
665 |
_FormatBlockDevInfo(buf, child, indent_level+1) |
666 |
|
667 |
|
668 |
def ShowInstanceConfig(opts, args): |
669 |
"""Compute instance run-time status. |
670 |
|
671 |
""" |
672 |
retcode = 0 |
673 |
op = opcodes.OpQueryInstanceData(instances=args) |
674 |
result = SubmitOpCode(op) |
675 |
hvm_parameters = ("hvm_acpi", "hvm_pae", "hvm_cdrom_image_path", |
676 |
"hvm_boot_order", "hvm_nic_type", "hvm_disk_type") |
677 |
|
678 |
pvm_parameters = ("kernel_path", "initrd_path") |
679 |
|
680 |
if not result: |
681 |
logger.ToStdout("No instances.") |
682 |
return 1 |
683 |
|
684 |
buf = StringIO() |
685 |
retcode = 0 |
686 |
for instance_name in result: |
687 |
instance = result[instance_name] |
688 |
buf.write("Instance name: %s\n" % instance["name"]) |
689 |
buf.write("State: configured to be %s, actual state is %s\n" % |
690 |
(instance["config_state"], instance["run_state"])) |
691 |
buf.write(" Nodes:\n") |
692 |
buf.write(" - primary: %s\n" % instance["pnode"]) |
693 |
buf.write(" - secondaries: %s\n" % ", ".join(instance["snodes"])) |
694 |
buf.write(" Operating system: %s\n" % instance["os"]) |
695 |
if instance.has_key("network_port"): |
696 |
buf.write(" Allocated network port: %s\n" % instance["network_port"]) |
697 |
if False not in map(instance.has_key, pvm_parameters): |
698 |
if instance["kernel_path"] in (None, constants.VALUE_DEFAULT): |
699 |
kpath = "(default: %s)" % constants.XEN_KERNEL |
700 |
else: |
701 |
kpath = instance["kernel_path"] |
702 |
buf.write(" Kernel path: %s\n" % kpath) |
703 |
if instance["initrd_path"] in (None, constants.VALUE_DEFAULT): |
704 |
initrd = "(default: %s)" % constants.XEN_INITRD |
705 |
elif instance["initrd_path"] == constants.VALUE_NONE: |
706 |
initrd = "(none)" |
707 |
else: |
708 |
initrd = instance["initrd_path"] |
709 |
buf.write(" initrd: %s\n" % initrd) |
710 |
if False not in map(instance.has_key, hvm_parameters): |
711 |
buf.write(" HVM:\n") |
712 |
buf.write(" - boot order: %s\n" % instance["hvm_boot_order"]) |
713 |
buf.write(" - ACPI support: %s\n" % instance["hvm_acpi"]) |
714 |
buf.write(" - PAE support: %s\n" % instance["hvm_pae"]) |
715 |
buf.write(" - virtual CDROM: %s\n" % instance["hvm_cdrom_image_path"]) |
716 |
buf.write(" - virtual NIC type: %s\n" % instance["hvm_nic_type"]) |
717 |
buf.write(" - virtual disk type: %s\n" % instance["hvm_disk_type"]) |
718 |
if instance.has_key("vnc_bind_address"): |
719 |
buf.write(" VNC bind address: %s\n" % instance["vnc_bind_address"]) |
720 |
buf.write(" VNC console port: %s\n" % instance["vnc_console_port"]) |
721 |
buf.write(" Hardware:\n") |
722 |
buf.write(" - VCPUs: %d\n" % instance["vcpus"]) |
723 |
buf.write(" - memory: %dMiB\n" % instance["memory"]) |
724 |
buf.write(" - NICs: %s\n" % |
725 |
", ".join(["{MAC: %s, IP: %s, bridge: %s}" % |
726 |
(mac, ip, bridge) |
727 |
for mac, ip, bridge in instance["nics"]])) |
728 |
buf.write(" Block devices:\n") |
729 |
|
730 |
for device in instance["disks"]: |
731 |
_FormatBlockDevInfo(buf, device, 1) |
732 |
|
733 |
logger.ToStdout(buf.getvalue().rstrip('\n')) |
734 |
return retcode |
735 |
|
736 |
|
737 |
def SetInstanceParams(opts, args): |
738 |
"""Modifies an instance. |
739 |
|
740 |
All parameters take effect only at the next restart of the instance. |
741 |
|
742 |
Args: |
743 |
opts - class with options as members |
744 |
args - list with a single element, the instance name |
745 |
Opts used: |
746 |
memory - the new memory size |
747 |
vcpus - the new number of cpus |
748 |
mac - the new MAC address of the instance |
749 |
|
750 |
""" |
751 |
if not (opts.mem or opts.vcpus or opts.ip or opts.bridge or opts.mac or |
752 |
opts.kernel_path or opts.initrd_path or opts.hvm_boot_order or |
753 |
opts.hvm_acpi or opts.hvm_pae or opts.hvm_cdrom_image_path or |
754 |
opts.vnc_bind_address or opts.hvm_nic_type or opts.hvm_disk_type): |
755 |
logger.ToStdout("Please give at least one of the parameters.") |
756 |
return 1 |
757 |
|
758 |
kernel_path = _TransformPath(opts.kernel_path) |
759 |
initrd_path = _TransformPath(opts.initrd_path) |
760 |
if opts.hvm_boot_order == 'default': |
761 |
hvm_boot_order = constants.VALUE_DEFAULT |
762 |
else: |
763 |
hvm_boot_order = opts.hvm_boot_order |
764 |
|
765 |
if opts.hvm_acpi is None: |
766 |
hvm_acpi = opts.hvm_acpi |
767 |
else: |
768 |
hvm_acpi = opts.hvm_acpi == _VALUE_TRUE |
769 |
|
770 |
if opts.hvm_pae is None: |
771 |
hvm_pae = opts.hvm_pae |
772 |
else: |
773 |
hvm_pae = opts.hvm_pae == _VALUE_TRUE |
774 |
|
775 |
if opts.hvm_nic_type == constants.VALUE_NONE: |
776 |
hvm_nic_type = None |
777 |
else: |
778 |
hvm_nic_type = opts.hvm_nic_type |
779 |
|
780 |
if opts.hvm_disk_type == constants.VALUE_NONE: |
781 |
hvm_disk_type = None |
782 |
else: |
783 |
hvm_disk_type = opts.hvm_disk_type |
784 |
|
785 |
op = opcodes.OpSetInstanceParams(instance_name=args[0], mem=opts.mem, |
786 |
vcpus=opts.vcpus, ip=opts.ip, |
787 |
bridge=opts.bridge, mac=opts.mac, |
788 |
kernel_path=opts.kernel_path, |
789 |
initrd_path=opts.initrd_path, |
790 |
hvm_boot_order=hvm_boot_order, |
791 |
hvm_acpi=hvm_acpi, hvm_pae=hvm_pae, |
792 |
hvm_cdrom_image_path= |
793 |
opts.hvm_cdrom_image_path, |
794 |
vnc_bind_address=opts.vnc_bind_address, |
795 |
hvm_nic_type=hvm_nic_type, |
796 |
hvm_disk_type=hvm_disk_type, |
797 |
force=opts.force) |
798 |
|
799 |
result = SubmitOpCode(op) |
800 |
|
801 |
if result: |
802 |
logger.ToStdout("Modified instance %s" % args[0]) |
803 |
for param, data in result: |
804 |
logger.ToStdout(" - %-5s -> %s" % (param, data)) |
805 |
logger.ToStdout("Please don't forget that these parameters take effect" |
806 |
" only at the next start of the instance.") |
807 |
return 0 |
808 |
|
809 |
|
810 |
# options used in more than one cmd |
811 |
node_opt = make_option("-n", "--node", dest="node", help="Target node", |
812 |
metavar="<node>") |
813 |
|
814 |
os_opt = cli_option("-o", "--os-type", dest="os", help="What OS to run", |
815 |
metavar="<os>") |
816 |
|
817 |
# multi-instance selection options |
818 |
m_force_multi = make_option("--force-multiple", dest="force_multi", |
819 |
help="Do not ask for confirmation when more than" |
820 |
" one instance is affected", |
821 |
action="store_true", default=False) |
822 |
|
823 |
m_pri_node_opt = make_option("--primary", dest="multi_mode", |
824 |
help="Filter by nodes (primary only)", |
825 |
const=_SHUTDOWN_NODES_PRI, action="store_const") |
826 |
|
827 |
m_sec_node_opt = make_option("--secondary", dest="multi_mode", |
828 |
help="Filter by nodes (secondary only)", |
829 |
const=_SHUTDOWN_NODES_SEC, action="store_const") |
830 |
|
831 |
m_node_opt = make_option("--node", dest="multi_mode", |
832 |
help="Filter by nodes (primary and secondary)", |
833 |
const=_SHUTDOWN_NODES_BOTH, action="store_const") |
834 |
|
835 |
m_clust_opt = make_option("--all", dest="multi_mode", |
836 |
help="Select all instances in the cluster", |
837 |
const=_SHUTDOWN_CLUSTER, action="store_const") |
838 |
|
839 |
m_inst_opt = make_option("--instance", dest="multi_mode", |
840 |
help="Filter by instance name [default]", |
841 |
const=_SHUTDOWN_INSTANCES, action="store_const") |
842 |
|
843 |
|
844 |
# this is defined separately due to readability only |
845 |
add_opts = [ |
846 |
DEBUG_OPT, |
847 |
make_option("-n", "--node", dest="node", |
848 |
help="Target node and optional secondary node", |
849 |
metavar="<pnode>[:<snode>]"), |
850 |
cli_option("-s", "--os-size", dest="size", help="Disk size, in MiB unless" |
851 |
" a suffix is used", |
852 |
default=20 * 1024, type="unit", metavar="<size>"), |
853 |
cli_option("--swap-size", dest="swap", help="Swap size, in MiB unless a" |
854 |
" suffix is used", |
855 |
default=4 * 1024, type="unit", metavar="<size>"), |
856 |
os_opt, |
857 |
cli_option("-m", "--memory", dest="mem", help="Memory size (in MiB)", |
858 |
default=128, type="unit", metavar="<mem>"), |
859 |
make_option("-p", "--cpu", dest="vcpus", help="Number of virtual CPUs", |
860 |
default=1, type="int", metavar="<PROC>"), |
861 |
make_option("-t", "--disk-template", dest="disk_template", |
862 |
help="Custom disk setup (diskless, file, plain or drbd)", |
863 |
default=None, metavar="TEMPL"), |
864 |
make_option("-i", "--ip", dest="ip", |
865 |
help="IP address ('none' [default], 'auto', or specify address)", |
866 |
default='none', type="string", metavar="<ADDRESS>"), |
867 |
make_option("--mac", dest="mac", |
868 |
help="MAC address ('auto' [default], or specify address)", |
869 |
default='auto', type="string", metavar="<MACADDRESS>"), |
870 |
make_option("--no-wait-for-sync", dest="wait_for_sync", default=True, |
871 |
action="store_false", help="Don't wait for sync (DANGEROUS!)"), |
872 |
make_option("-b", "--bridge", dest="bridge", |
873 |
help="Bridge to connect this instance to", |
874 |
default=None, metavar="<bridge>"), |
875 |
make_option("--no-start", dest="start", default=True, |
876 |
action="store_false", help="Don't start the instance after" |
877 |
" creation"), |
878 |
make_option("--no-ip-check", dest="ip_check", default=True, |
879 |
action="store_false", help="Don't check that the instance's IP" |
880 |
" is alive (only valid with --no-start)"), |
881 |
make_option("--kernel", dest="kernel_path", |
882 |
help="Path to the instances' kernel (or 'default')", |
883 |
default=None, |
884 |
type="string", metavar="<FILENAME>"), |
885 |
make_option("--initrd", dest="initrd_path", |
886 |
help="Path to the instances' initrd (or 'none', or 'default')", |
887 |
default=None, |
888 |
type="string", metavar="<FILENAME>"), |
889 |
make_option("--hvm-boot-order", dest="hvm_boot_order", |
890 |
help="Boot device order for HVM (one or more of [acdn])", |
891 |
default=None, type="string", metavar="<BOOTORDER>"), |
892 |
make_option("--file-storage-dir", dest="file_storage_dir", |
893 |
help="Relative path under default cluster-wide file storage dir" |
894 |
" to store file-based disks", default=None, |
895 |
metavar="<DIR>"), |
896 |
make_option("--file-driver", dest="file_driver", help="Driver to use" |
897 |
" for image files", default="loop", metavar="<DRIVER>"), |
898 |
make_option("--iallocator", metavar="<NAME>", |
899 |
help="Select nodes for the instance automatically using the" |
900 |
" <NAME> iallocator plugin", default=None, type="string"), |
901 |
make_option("--hvm-acpi", dest="hvm_acpi", |
902 |
help="ACPI support for HVM (true|false)", |
903 |
metavar="<BOOL>", choices=["true", "false"]), |
904 |
make_option("--hvm-nic-type", dest="hvm_nic_type", |
905 |
help="Type of virtual NIC for HVM " |
906 |
"(rtl8139,ne2k_pci,ne2k_isa,paravirtual)", |
907 |
metavar="NICTYPE", choices=[constants.HT_HVM_NIC_RTL8139, |
908 |
constants.HT_HVM_NIC_NE2K_PCI, |
909 |
constants.HT_HVM_NIC_NE2K_ISA, |
910 |
constants.HT_HVM_DEV_PARAVIRTUAL], |
911 |
default=constants.HT_HVM_NIC_RTL8139), |
912 |
make_option("--hvm-disk-type", dest="hvm_disk_type", |
913 |
help="Type of virtual disks for HVM (ioemu,paravirtual)", |
914 |
metavar="DISKTYPE", choices=[constants.HT_HVM_DEV_IOEMU, |
915 |
constants.HT_HVM_DEV_PARAVIRTUAL], |
916 |
default=constants.HT_HVM_DEV_IOEMU,), |
917 |
make_option("--hvm-pae", dest="hvm_pae", |
918 |
help="PAE support for HVM (true|false)", |
919 |
metavar="<BOOL>", choices=["true", "false"]), |
920 |
make_option("--hvm-cdrom-image-path", dest="hvm_cdrom_image_path", |
921 |
help="CDROM image path for HVM (absolute path or None)", |
922 |
default=None, type="string", metavar="<CDROMIMAGE>"), |
923 |
make_option("--vnc-bind-address", dest="vnc_bind_address", |
924 |
help="bind address for VNC (IP address)", |
925 |
default=None, type="string", metavar="<VNCADDRESS>"), |
926 |
] |
927 |
|
928 |
commands = { |
929 |
'add': (AddInstance, ARGS_ONE, add_opts, |
930 |
"[...] -t disk-type -n node[:secondary-node] -o os-type <name>", |
931 |
"Creates and adds a new instance to the cluster"), |
932 |
'console': (ConnectToInstanceConsole, ARGS_ONE, |
933 |
[DEBUG_OPT, |
934 |
make_option("--show-cmd", dest="show_command", |
935 |
action="store_true", default=False, |
936 |
help=("Show command instead of executing it"))], |
937 |
"[--show-cmd] <instance>", |
938 |
"Opens a console on the specified instance"), |
939 |
'failover': (FailoverInstance, ARGS_ONE, |
940 |
[DEBUG_OPT, FORCE_OPT, |
941 |
make_option("--ignore-consistency", dest="ignore_consistency", |
942 |
action="store_true", default=False, |
943 |
help="Ignore the consistency of the disks on" |
944 |
" the secondary"), |
945 |
], |
946 |
"[-f] <instance>", |
947 |
"Stops the instance and starts it on the backup node, using" |
948 |
" the remote mirror (only for instances of type drbd)"), |
949 |
'info': (ShowInstanceConfig, ARGS_ANY, [DEBUG_OPT], "[<instance>...]", |
950 |
"Show information on the specified instance"), |
951 |
'list': (ListInstances, ARGS_NONE, |
952 |
[DEBUG_OPT, NOHDR_OPT, SEP_OPT, USEUNITS_OPT, FIELDS_OPT], "", |
953 |
"Lists the instances and their status. The available fields are" |
954 |
" (see the man page for details): status, oper_state, oper_ram," |
955 |
" name, os, pnode, snodes, admin_state, admin_ram, disk_template," |
956 |
" ip, mac, bridge, sda_size, sdb_size, vcpus. The default field" |
957 |
" list is (in order): %s." % ", ".join(_LIST_DEF_FIELDS), |
958 |
), |
959 |
'reinstall': (ReinstallInstance, ARGS_ONE, |
960 |
[DEBUG_OPT, FORCE_OPT, os_opt, |
961 |
make_option("--select-os", dest="select_os", |
962 |
action="store_true", default=False, |
963 |
help="Interactive OS reinstall, lists available" |
964 |
" OS templates for selection")], |
965 |
"[-f] <instance>", "Reinstall a stopped instance"), |
966 |
'remove': (RemoveInstance, ARGS_ONE, |
967 |
[DEBUG_OPT, FORCE_OPT, |
968 |
make_option("--ignore-failures", dest="ignore_failures", |
969 |
action="store_true", default=False, |
970 |
help=("Remove the instance from the cluster even" |
971 |
" if there are failures during the removal" |
972 |
" process (shutdown, disk removal, etc.)")), |
973 |
], |
974 |
"[-f] <instance>", "Shuts down the instance and removes it"), |
975 |
'rename': (RenameInstance, ARGS_FIXED(2), |
976 |
[DEBUG_OPT, |
977 |
make_option("--no-ip-check", dest="ignore_ip", |
978 |
help="Do not check that the IP of the new name" |
979 |
" is alive", |
980 |
default=False, action="store_true"), |
981 |
], |
982 |
"<instance> <new_name>", "Rename the instance"), |
983 |
'replace-disks': (ReplaceDisks, ARGS_ONE, |
984 |
[DEBUG_OPT, |
985 |
make_option("-n", "--new-secondary", dest="new_secondary", |
986 |
help=("New secondary node (for secondary" |
987 |
" node change)"), metavar="NODE"), |
988 |
make_option("-p", "--on-primary", dest="on_primary", |
989 |
default=False, action="store_true", |
990 |
help=("Replace the disk(s) on the primary" |
991 |
" node (only for the drbd template)")), |
992 |
make_option("-s", "--on-secondary", dest="on_secondary", |
993 |
default=False, action="store_true", |
994 |
help=("Replace the disk(s) on the secondary" |
995 |
" node (only for the drbd template)")), |
996 |
make_option("--disks", dest="disks", default=None, |
997 |
help=("Comma-separated list of disks" |
998 |
" to replace (e.g. sda) (optional," |
999 |
" defaults to all disks")), |
1000 |
make_option("--iallocator", metavar="<NAME>", |
1001 |
help="Select new secondary for the instance" |
1002 |
" automatically using the" |
1003 |
" <NAME> iallocator plugin (enables" |
1004 |
" secondary node replacement)", |
1005 |
default=None, type="string"), |
1006 |
], |
1007 |
"[-s|-p|-n NODE] <instance>", |
1008 |
"Replaces all disks for the instance"), |
1009 |
'modify': (SetInstanceParams, ARGS_ONE, |
1010 |
[DEBUG_OPT, FORCE_OPT, |
1011 |
cli_option("-m", "--memory", dest="mem", |
1012 |
help="Memory size", |
1013 |
default=None, type="unit", metavar="<mem>"), |
1014 |
make_option("-p", "--cpu", dest="vcpus", |
1015 |
help="Number of virtual CPUs", |
1016 |
default=None, type="int", metavar="<PROC>"), |
1017 |
make_option("-i", "--ip", dest="ip", |
1018 |
help="IP address ('none' or numeric IP)", |
1019 |
default=None, type="string", metavar="<ADDRESS>"), |
1020 |
make_option("-b", "--bridge", dest="bridge", |
1021 |
help="Bridge to connect this instance to", |
1022 |
default=None, type="string", metavar="<bridge>"), |
1023 |
make_option("--mac", dest="mac", |
1024 |
help="MAC address", default=None, |
1025 |
type="string", metavar="<MACADDRESS>"), |
1026 |
make_option("--kernel", dest="kernel_path", |
1027 |
help="Path to the instances' kernel (or" |
1028 |
" 'default')", default=None, |
1029 |
type="string", metavar="<FILENAME>"), |
1030 |
make_option("--initrd", dest="initrd_path", |
1031 |
help="Path to the instances' initrd (or 'none', or" |
1032 |
" 'default')", default=None, |
1033 |
type="string", metavar="<FILENAME>"), |
1034 |
make_option("--hvm-boot-order", dest="hvm_boot_order", |
1035 |
help="boot device order for HVM" |
1036 |
"(either one or more of [acdn] or 'default')", |
1037 |
default=None, type="string", metavar="<BOOTORDER>"), |
1038 |
make_option("--hvm-acpi", dest="hvm_acpi", |
1039 |
help="ACPI support for HVM (true|false)", |
1040 |
metavar="<BOOL>", choices=["true", "false"]), |
1041 |
make_option("--hvm-pae", dest="hvm_pae", |
1042 |
help="PAE support for HVM (true|false)", |
1043 |
metavar="<BOOL>", choices=["true", "false"]), |
1044 |
make_option("--hvm-cdrom-image-path", |
1045 |
dest="hvm_cdrom_image_path", |
1046 |
help="CDROM image path for HVM" |
1047 |
"(absolute path or None)", |
1048 |
default=None, type="string", metavar="<CDROMIMAGE>"), |
1049 |
make_option("--hvm-nic-type", dest="hvm_nic_type", |
1050 |
help="Type of virtual NIC for HVM " |
1051 |
"(rtl8139,ne2k_pci,ne2k_isa,paravirtual)", |
1052 |
metavar="NICTYPE", |
1053 |
choices=[constants.HT_HVM_NIC_RTL8139, |
1054 |
constants.HT_HVM_NIC_NE2K_PCI, |
1055 |
constants.HT_HVM_NIC_NE2K_ISA, |
1056 |
constants.HT_HVM_DEV_PARAVIRTUAL], |
1057 |
default=None), |
1058 |
make_option("--hvm-disk-type", dest="hvm_disk_type", |
1059 |
help="Type of virtual disks for HVM " |
1060 |
"(ioemu,paravirtual)", |
1061 |
metavar="DISKTYPE", |
1062 |
choices=[constants.HT_HVM_DEV_IOEMU, |
1063 |
constants.HT_HVM_DEV_PARAVIRTUAL], |
1064 |
default=None), |
1065 |
make_option("--vnc-bind-address", dest="vnc_bind_address", |
1066 |
help="bind address for VNC (IP address)", |
1067 |
default=None, type="string", metavar="<VNCADDRESS>"), |
1068 |
], |
1069 |
"<instance>", "Alters the parameters of an instance"), |
1070 |
'shutdown': (ShutdownInstance, ARGS_ANY, |
1071 |
[DEBUG_OPT, m_node_opt, m_pri_node_opt, m_sec_node_opt, |
1072 |
m_clust_opt, m_inst_opt, m_force_multi], |
1073 |
"<instance>", "Stops an instance"), |
1074 |
'startup': (StartupInstance, ARGS_ANY, |
1075 |
[DEBUG_OPT, FORCE_OPT, m_force_multi, |
1076 |
make_option("-e", "--extra", dest="extra_args", |
1077 |
help="Extra arguments for the instance's kernel", |
1078 |
default=None, type="string", metavar="<PARAMS>"), |
1079 |
m_node_opt, m_pri_node_opt, m_sec_node_opt, |
1080 |
m_clust_opt, m_inst_opt, |
1081 |
], |
1082 |
"<instance>", "Starts an instance"), |
1083 |
|
1084 |
'reboot': (RebootInstance, ARGS_ANY, |
1085 |
[DEBUG_OPT, m_force_multi, |
1086 |
make_option("-e", "--extra", dest="extra_args", |
1087 |
help="Extra arguments for the instance's kernel", |
1088 |
default=None, type="string", metavar="<PARAMS>"), |
1089 |
make_option("-t", "--type", dest="reboot_type", |
1090 |
help="Type of reboot: soft/hard/full", |
1091 |
default=constants.INSTANCE_REBOOT_SOFT, |
1092 |
type="string", metavar="<REBOOT>"), |
1093 |
make_option("--ignore-secondaries", dest="ignore_secondaries", |
1094 |
default=False, action="store_true", |
1095 |
help="Ignore errors from secondaries"), |
1096 |
m_node_opt, m_pri_node_opt, m_sec_node_opt, |
1097 |
m_clust_opt, m_inst_opt, |
1098 |
], |
1099 |
"<instance>", "Reboots an instance"), |
1100 |
'activate-disks': (ActivateDisks, ARGS_ONE, [DEBUG_OPT], |
1101 |
"<instance>", |
1102 |
"Activate an instance's disks"), |
1103 |
'deactivate-disks': (DeactivateDisks, ARGS_ONE, [DEBUG_OPT], |
1104 |
"<instance>", |
1105 |
"Deactivate an instance's disks"), |
1106 |
'grow-disk': (GrowDisk, ARGS_FIXED(3), [DEBUG_OPT], |
1107 |
"<instance> <disk> <size>", "Grow an instance's disk"), |
1108 |
'list-tags': (ListTags, ARGS_ONE, [DEBUG_OPT], |
1109 |
"<node_name>", "List the tags of the given instance"), |
1110 |
'add-tags': (AddTags, ARGS_ATLEAST(1), [DEBUG_OPT, TAG_SRC_OPT], |
1111 |
"<node_name> tag...", "Add tags to the given instance"), |
1112 |
'remove-tags': (RemoveTags, ARGS_ATLEAST(1), [DEBUG_OPT, TAG_SRC_OPT], |
1113 |
"<node_name> tag...", "Remove tags from given instance"), |
1114 |
} |
1115 |
|
1116 |
aliases = { |
1117 |
'activate_block_devs': 'activate-disks', |
1118 |
'replace_disks': 'replace-disks', |
1119 |
'start': 'startup', |
1120 |
'stop': 'shutdown', |
1121 |
} |
1122 |
|
1123 |
if __name__ == '__main__': |
1124 |
sys.exit(GenericMain(commands, aliases=aliases, |
1125 |
override={"tag_type": constants.TAG_INSTANCE})) |