#!/usr/bin/python
#
-# Copyright (C) 2006, 2007, 2008 Google Inc.
+# Copyright (C) 2006, 2007, 2008, 2009, 2010 Google Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.
+"""Node related commands"""
-# pylint: disable-msg=W0401,W0614
+# pylint: disable-msg=W0401,W0613,W0614,C0103
# W0401: Wildcard import ganeti.cli
+# W0613: Unused argument, since all functions follow the same API
# W0614: Unused import %s from wildcard import (since we need cli)
+# C0103: Invalid name gnt-node
import sys
from ganeti.cli import *
-from ganeti import cli
from ganeti import opcodes
from ganeti import utils
from ganeti import constants
+from ganeti import compat
from ganeti import errors
from ganeti import bootstrap
+from ganeti import netutils
#: default list of field for L{ListNodes}
"pinst_cnt", "sinst_cnt",
]
+
+#: default list of field for L{ListStorage}
+_LIST_STOR_DEF_FIELDS = [
+ constants.SF_NODE,
+ constants.SF_TYPE,
+ constants.SF_NAME,
+ constants.SF_SIZE,
+ constants.SF_USED,
+ constants.SF_FREE,
+ constants.SF_ALLOCATABLE,
+ ]
+
+
#: headers (and full field list for L{ListNodes}
_LIST_HEADERS = {
"name": "Node", "pinst_cnt": "Pinst", "sinst_cnt": "Sinst",
"master": "IsMaster",
"offline": "Offline", "drained": "Drained",
"role": "Role",
- "ctime": "CTime", "mtime": "MTime",
+ "ctime": "CTime", "mtime": "MTime", "uuid": "UUID"
}
+
+#: headers (and full field list for L{ListStorage}
+_LIST_STOR_HEADERS = {
+ constants.SF_NODE: "Node",
+ constants.SF_TYPE: "Type",
+ constants.SF_NAME: "Name",
+ constants.SF_SIZE: "Size",
+ constants.SF_USED: "Used",
+ constants.SF_FREE: "Free",
+ constants.SF_ALLOCATABLE: "Allocatable",
+ }
+
+
#: User-facing storage unit types
_USER_STORAGE_TYPE = {
constants.ST_FILE: "file",
}
_STORAGE_TYPE_OPT = \
- cli_option("--storage-type",
+ cli_option("-t", "--storage-type",
dest="user_storage_type",
choices=_USER_STORAGE_TYPE.keys(),
default=None,
try:
return _USER_STORAGE_TYPE[user_storage_type]
except KeyError:
- raise errors.OpPrereqError("Unknown storage type: %s" % user_storage_type)
+ raise errors.OpPrereqError("Unknown storage type: %s" % user_storage_type,
+ errors.ECODE_INVAL)
@UsesRPC
"""
cl = GetClient()
- dns_data = utils.HostInfo(args[0])
+ dns_data = netutils.GetHostInfo(netutils.HostInfo.NormalizeName(args[0]))
node = dns_data.name
readd = opts.readd
op = opcodes.OpAddNode(node_name=args[0], secondary_ip=sip,
readd=opts.readd)
- SubmitOpCode(op)
+ SubmitOpCode(op, opts=opts)
def ListNodes(opts, args):
val = utils.FormatTime(val)
elif val is None:
val = "?"
+ elif opts.roman_integers and isinstance(val, int):
+ val = compat.TryToRoman(val)
row[idx] = str(val)
data = GenerateTable(separator=opts.separator, headers=headers,
dst_node = opts.dst_node
iallocator = opts.iallocator
- cnt = [dst_node, iallocator].count(None)
- if cnt != 1:
- raise errors.OpPrereqError("One and only one of the -n and -i"
- " options must be passed")
-
- selected_fields = ["name", "sinst_list"]
- src_node = args[0]
-
- result = cl.QueryNodes(names=[src_node], fields=selected_fields,
- use_locking=False)
- src_node, sinst = result[0]
+ op = opcodes.OpNodeEvacuationStrategy(nodes=args,
+ iallocator=iallocator,
+ remote_node=dst_node)
- if not sinst:
- ToStderr("No secondary instances on node %s, exiting.", src_node)
+ result = SubmitOpCode(op, cl=cl, opts=opts)
+ if not result:
+ # no instances to migrate
+ ToStderr("No secondary instances on node(s) %s, exiting.",
+ utils.CommaJoin(args))
return constants.EXIT_SUCCESS
- if dst_node is not None:
- result = cl.QueryNodes(names=[dst_node], fields=["name"],
- use_locking=False)
- dst_node = result[0][0]
-
- if src_node == dst_node:
- raise errors.OpPrereqError("Evacuate node needs different source and"
- " target nodes (node %s given twice)" %
- src_node)
- txt_msg = "to node %s" % dst_node
- else:
- txt_msg = "using iallocator %s" % iallocator
-
- sinst = utils.NiceSort(sinst)
-
- if not force and not AskUser("Relocate instance(s) %s from node\n"
- " %s %s?" %
- (",".join("'%s'" % name for name in sinst),
- src_node, txt_msg)):
+ if not force and not AskUser("Relocate instance(s) %s from node(s) %s?" %
+ (",".join("'%s'" % name[0] for name in result),
+ utils.CommaJoin(args))):
return constants.EXIT_CONFIRMATION
- op = opcodes.OpEvacuateNode(node_name=args[0], remote_node=dst_node,
- iallocator=iallocator)
- SubmitOpCode(op, cl=cl)
+ jex = JobExecutor(cl=cl, opts=opts)
+ for row in result:
+ iname = row[0]
+ node = row[1]
+ ToStdout("Will relocate instance %s to node %s", iname, node)
+ op = opcodes.OpReplaceDisks(instance_name=iname,
+ remote_node=node, disks=[],
+ mode=constants.REPLACE_DISK_CHG,
+ early_release=opts.early_release)
+ jex.QueueJob(iname, op)
+ results = jex.GetResults()
+ bad_cnt = len([row for row in results if not row[0]])
+ if bad_cnt == 0:
+ ToStdout("All %d instance(s) failed over successfully.", len(results))
+ rcode = constants.EXIT_SUCCESS
+ else:
+ ToStdout("There were errors during the failover:\n"
+ "%d error(s) out of %d instance(s).", bad_cnt, len(results))
+ rcode = constants.EXIT_FAILURE
+ return rcode
def FailoverNode(opts, args):
(",".join("'%s'" % name for name in pinst))):
return 2
- jex = JobExecutor(cl=cl)
+ jex = JobExecutor(cl=cl, opts=opts)
for iname in pinst:
op = opcodes.OpFailoverInstance(instance_name=iname,
ignore_consistency=opts.ignore_consistency)
pinst = utils.NiceSort(pinst)
- retcode = 0
-
if not force and not AskUser("Migrate instance(s) %s?" %
(",".join("'%s'" % name for name in pinst))):
return 2
- op = opcodes.OpMigrateNode(node_name=args[0], live=opts.live)
- SubmitOpCode(op, cl=cl)
+ # this should be removed once --non-live is deprecated
+ if not opts.live and opts.migration_mode is not None:
+ raise errors.OpPrereqError("Only one of the --non-live and "
+ "--migration-mode options can be passed",
+ errors.ECODE_INVAL)
+ if not opts.live: # --non-live passed
+ mode = constants.HT_MIGRATION_NONLIVE
+ else:
+ mode = opts.migration_mode
+ op = opcodes.OpMigrateNode(node_name=args[0], mode=mode)
+ SubmitOpCode(op, cl=cl, opts=opts)
def ShowNodeConfig(opts, args):
"""
op = opcodes.OpRemoveNode(node_name=args[0])
- SubmitOpCode(op)
+ SubmitOpCode(op, opts=opts)
return 0
return 2
op = opcodes.OpPowercycleNode(node_name=node, force=opts.force)
- result = SubmitOpCode(op)
+ result = SubmitOpCode(op, opts=opts)
ToStderr(result)
return 0
selected_fields = opts.output.split(",")
op = opcodes.OpQueryNodeVolumes(nodes=args, output_fields=selected_fields)
- output = SubmitOpCode(op)
+ output = SubmitOpCode(op, opts=opts)
if not opts.no_headers:
headers = {"node": "Node", "phys": "PhysDev",
return 0
-def ListPhysicalVolumes(opts, args):
+def ListStorage(opts, args):
"""List physical volumes on node(s).
@param opts: the command line options selected by the user
storage_type = ConvertStorageType(opts.user_storage_type)
- default_fields = {
- constants.ST_FILE: [
- constants.SF_NAME,
- constants.SF_USED,
- constants.SF_FREE,
- ],
- constants.ST_LVM_PV: [
- constants.SF_NAME,
- constants.SF_SIZE,
- constants.SF_USED,
- constants.SF_FREE,
- ],
- constants.ST_LVM_VG: [
- constants.SF_NAME,
- constants.SF_SIZE,
- ],
- }
-
if opts.output is None:
- selected_fields = ["node"]
- selected_fields.extend(default_fields[storage_type])
+ selected_fields = _LIST_STOR_DEF_FIELDS
+ elif opts.output.startswith("+"):
+ selected_fields = _LIST_STOR_DEF_FIELDS + opts.output[1:].split(",")
else:
selected_fields = opts.output.split(",")
op = opcodes.OpQueryNodeStorage(nodes=args,
storage_type=storage_type,
output_fields=selected_fields)
- output = SubmitOpCode(op)
+ output = SubmitOpCode(op, opts=opts)
if not opts.no_headers:
headers = {
- "node": "Node",
+ constants.SF_NODE: "Node",
+ constants.SF_TYPE: "Type",
constants.SF_NAME: "Name",
constants.SF_SIZE: "Size",
constants.SF_USED: "Used",
unitfields = [constants.SF_SIZE, constants.SF_USED, constants.SF_FREE]
numfields = [constants.SF_SIZE, constants.SF_USED, constants.SF_FREE]
+ # change raw values to nicer strings
+ for row in output:
+ for idx, field in enumerate(selected_fields):
+ val = row[idx]
+ if field == constants.SF_ALLOCATABLE:
+ if val:
+ val = "Y"
+ else:
+ val = "N"
+ row[idx] = str(val)
+
data = GenerateTable(separator=opts.separator, headers=headers,
fields=selected_fields, unitfields=unitfields,
numfields=numfields, data=output, units=opts.units)
return 0
-def ModifyVolume(opts, args):
+def ModifyStorage(opts, args):
"""Modify storage volume on a node.
@param opts: the command line options selected by the user
changes = {}
if opts.allocatable is not None:
- changes[constants.SF_ALLOCATABLE] = (opts.allocatable == "yes")
+ changes[constants.SF_ALLOCATABLE] = opts.allocatable
if changes:
op = opcodes.OpModifyNodeStorage(node_name=node_name,
storage_type=storage_type,
name=volume_name,
changes=changes)
- SubmitOpCode(op)
+ SubmitOpCode(op, opts=opts)
+ else:
+ ToStderr("No changes to perform, exiting.")
-def RepairVolume(opts, args):
+def RepairStorage(opts, args):
"""Repairs a storage volume on a node.
@param opts: the command line options selected by the user
op = opcodes.OpRepairNodeStorage(node_name=node_name,
storage_type=storage_type,
- name=volume_name)
- SubmitOpCode(op)
+ name=volume_name,
+ ignore_consistency=opts.ignore_consistency)
+ SubmitOpCode(op, opts=opts)
def SetNodeParams(opts, args):
ToStderr("Please give at least one of the parameters.")
return 1
- if opts.master_candidate is not None:
- candidate = opts.master_candidate == 'yes'
- else:
- candidate = None
- if opts.offline is not None:
- offline = opts.offline == 'yes'
- else:
- offline = None
-
- if opts.drained is not None:
- drained = opts.drained == 'yes'
- else:
- drained = None
op = opcodes.OpSetNodeParams(node_name=args[0],
- master_candidate=candidate,
- offline=offline,
- drained=drained,
- force=opts.force)
+ master_candidate=opts.master_candidate,
+ offline=opts.offline,
+ drained=opts.drained,
+ force=opts.force,
+ auto_promote=opts.auto_promote)
# even if here we process the result, we allow submit only
result = SubmitOrSend(op, opts)
commands = {
- 'add': (AddNode, [ArgUnknown(min=1, max=1)],
- [DEBUG_OPT,
- cli_option("-s", "--secondary-ip", dest="secondary_ip",
- help="Specify the secondary ip for the node",
- metavar="ADDRESS", default=None),
- cli_option("--readd", dest="readd",
- default=False, action="store_true",
- help="Readd old node after replacing it"),
- cli_option("--no-ssh-key-check", dest="ssh_key_check",
- default=True, action="store_false",
- help="Disable SSH key fingerprint checking"),
- ],
- "[-s ip] [--readd] [--no-ssh-key-check] <node_name>",
- "Add a node to the cluster"),
- 'evacuate': (EvacuateNode, [ArgNode(min=1, max=1)],
- [DEBUG_OPT, FORCE_OPT,
- cli_option("-n", "--new-secondary", dest="dst_node",
- help="New secondary node", metavar="NODE",
- default=None),
- cli_option("-I", "--iallocator", metavar="<NAME>",
- help="Select new secondary for the instance"
- " automatically using the"
- " <NAME> iallocator plugin",
- default=None, type="string"),
- ],
- "[-f] {-I <iallocator> | -n <dst>} <node>",
- "Relocate the secondary instances from a node"
- " to other nodes (only for instances with drbd disk template)"),
- 'failover': (FailoverNode, [ArgNode(min=1, max=1)],
- [DEBUG_OPT, FORCE_OPT,
- cli_option("--ignore-consistency", dest="ignore_consistency",
- action="store_true", default=False,
- help="Ignore the consistency of the disks on"
- " the secondary"),
- ],
- "[-f] <node>",
- "Stops the primary instances on a node and start them on their"
- " secondary node (only for instances with drbd disk template)"),
- 'migrate': (MigrateNode, [ArgNode(min=1, max=1)],
- [DEBUG_OPT, FORCE_OPT,
- cli_option("--non-live", dest="live",
- default=True, action="store_false",
- help="Do a non-live migration (this usually means"
- " freeze the instance, save the state,"
- " transfer and only then resume running on the"
- " secondary node)"),
- ],
- "[-f] <node>",
- "Migrate all the primary instance on a node away from it"
- " (only for instances of type drbd)"),
- 'info': (ShowNodeConfig, [ArgNode()], [DEBUG_OPT],
- "[<node_name>...]", "Show information about the node(s)"),
- 'list': (ListNodes, [ArgNode()],
- [DEBUG_OPT, NOHDR_OPT, SEP_OPT, USEUNITS_OPT, FIELDS_OPT, SYNC_OPT],
- "[nodes...]",
- "Lists the nodes in the cluster. The available fields"
- " are (see the man page for details): %s"
- " The default field list is (in order): %s." %
- (", ".join(_LIST_HEADERS), ", ".join(_LIST_DEF_FIELDS))),
- 'modify': (SetNodeParams, [ArgNode(min=1, max=1)],
- [DEBUG_OPT, FORCE_OPT,
- SUBMIT_OPT,
- cli_option("-C", "--master-candidate", dest="master_candidate",
- choices=('yes', 'no'), default=None,
- metavar="yes|no",
- help="Set the master_candidate flag on the node"),
- cli_option("-O", "--offline", dest="offline", metavar="yes|no",
- choices=('yes', 'no'), default=None,
- help="Set the offline flag on the node"),
- cli_option("-D", "--drained", dest="drained", metavar="yes|no",
- choices=('yes', 'no'), default=None,
- help="Set the drained flag on the node"),
- ],
- "<node>", "Alters the parameters of a node"),
- 'powercycle': (PowercycleNode, [ArgNode(min=1, max=1)],
- [DEBUG_OPT, FORCE_OPT, CONFIRM_OPT],
- "<node_name>", "Tries to forcefully powercycle a node"),
- 'remove': (RemoveNode, [ArgNode(min=1, max=1)], [DEBUG_OPT],
- "<node_name>", "Removes a node from the cluster"),
- 'volumes': (ListVolumes, [ArgNode()],
- [DEBUG_OPT, NOHDR_OPT, SEP_OPT, USEUNITS_OPT, FIELDS_OPT],
- "[<node_name>...]", "List logical volumes on node(s)"),
- 'physical-volumes': (ListPhysicalVolumes, [ArgNode()],
- [DEBUG_OPT, NOHDR_OPT, SEP_OPT, USEUNITS_OPT,
- FIELDS_OPT, _STORAGE_TYPE_OPT],
- "[<node_name>...]",
- "List physical volumes on node(s)"),
- 'modify-volume': (ModifyVolume,
- [ArgNode(min=1, max=1),
- ArgChoice(min=1, max=1,
- choices=_MODIFIABLE_STORAGE_TYPES),
- ArgFile(min=1, max=1)],
- [DEBUG_OPT,
- cli_option("--allocatable", dest="allocatable",
- choices=["yes", "no"], default=None,
- metavar="yes|no",
- help="Set the allocatable flag on a volume"),
- ],
- "<node_name> <storage_type> <name>",
- "Modify storage volume on a node"),
- 'repair-volume': (RepairVolume,
- [ArgNode(min=1, max=1),
- ArgChoice(min=1, max=1,
- choices=_REPAIRABLE_STORAGE_TYPES),
- ArgFile(min=1, max=1)],
- [DEBUG_OPT],
- "<node_name> <storage_type> <name>",
- "Repairs a storage volume on a node"),
- 'list-tags': (ListTags, [ArgNode(min=1, max=1)], [DEBUG_OPT],
- "<node_name>", "List the tags of the given node"),
- 'add-tags': (AddTags, [ArgNode(min=1, max=1), ArgUnknown()],
- [DEBUG_OPT, TAG_SRC_OPT],
- "<node_name> tag...", "Add tags to the given node"),
- 'remove-tags': (RemoveTags, [ArgNode(min=1, max=1), ArgUnknown()],
- [DEBUG_OPT, TAG_SRC_OPT],
- "<node_name> tag...", "Remove tags from the given node"),
+ 'add': (
+ AddNode, [ArgHost(min=1, max=1)],
+ [SECONDARY_IP_OPT, READD_OPT, NOSSH_KEYCHECK_OPT],
+ "[-s ip] [--readd] [--no-ssh-key-check] <node_name>",
+ "Add a node to the cluster"),
+ 'evacuate': (
+ EvacuateNode, [ArgNode(min=1)],
+ [FORCE_OPT, IALLOCATOR_OPT, NEW_SECONDARY_OPT, EARLY_RELEASE_OPT],
+ "[-f] {-I <iallocator> | -n <dst>} <node>",
+ "Relocate the secondary instances from a node"
+ " to other nodes (only for instances with drbd disk template)"),
+ 'failover': (
+ FailoverNode, ARGS_ONE_NODE, [FORCE_OPT, IGNORE_CONSIST_OPT],
+ "[-f] <node>",
+ "Stops the primary instances on a node and start them on their"
+ " secondary node (only for instances with drbd disk template)"),
+ 'migrate': (
+ MigrateNode, ARGS_ONE_NODE, [FORCE_OPT, NONLIVE_OPT, MIGRATION_MODE_OPT],
+ "[-f] <node>",
+ "Migrate all the primary instance on a node away from it"
+ " (only for instances of type drbd)"),
+ 'info': (
+ ShowNodeConfig, ARGS_MANY_NODES, [],
+ "[<node_name>...]", "Show information about the node(s)"),
+ 'list': (
+ ListNodes, ARGS_MANY_NODES,
+ [NOHDR_OPT, SEP_OPT, USEUNITS_OPT, FIELDS_OPT, SYNC_OPT, ROMAN_OPT],
+ "[nodes...]",
+ "Lists the nodes in the cluster. The available fields are (see the man"
+ " page for details): %s. The default field list is (in order): %s." %
+ (utils.CommaJoin(_LIST_HEADERS), utils.CommaJoin(_LIST_DEF_FIELDS))),
+ 'modify': (
+ SetNodeParams, ARGS_ONE_NODE,
+ [FORCE_OPT, SUBMIT_OPT, MC_OPT, DRAINED_OPT, OFFLINE_OPT,
+ AUTO_PROMOTE_OPT],
+ "<node_name>", "Alters the parameters of a node"),
+ 'powercycle': (
+ PowercycleNode, ARGS_ONE_NODE,
+ [FORCE_OPT, CONFIRM_OPT],
+ "<node_name>", "Tries to forcefully powercycle a node"),
+ 'remove': (
+ RemoveNode, ARGS_ONE_NODE, [],
+ "<node_name>", "Removes a node from the cluster"),
+ 'volumes': (
+ ListVolumes, [ArgNode()],
+ [NOHDR_OPT, SEP_OPT, USEUNITS_OPT, FIELDS_OPT],
+ "[<node_name>...]", "List logical volumes on node(s)"),
+ 'list-storage': (
+ ListStorage, ARGS_MANY_NODES,
+ [NOHDR_OPT, SEP_OPT, USEUNITS_OPT, FIELDS_OPT, _STORAGE_TYPE_OPT],
+ "[<node_name>...]", "List physical volumes on node(s). The available"
+ " fields are (see the man page for details): %s." %
+ (utils.CommaJoin(_LIST_STOR_HEADERS))),
+ 'modify-storage': (
+ ModifyStorage,
+ [ArgNode(min=1, max=1),
+ ArgChoice(min=1, max=1, choices=_MODIFIABLE_STORAGE_TYPES),
+ ArgFile(min=1, max=1)],
+ [ALLOCATABLE_OPT],
+ "<node_name> <storage_type> <name>", "Modify storage volume on a node"),
+ 'repair-storage': (
+ RepairStorage,
+ [ArgNode(min=1, max=1),
+ ArgChoice(min=1, max=1, choices=_REPAIRABLE_STORAGE_TYPES),
+ ArgFile(min=1, max=1)],
+ [IGNORE_CONSIST_OPT],
+ "<node_name> <storage_type> <name>",
+ "Repairs a storage volume on a node"),
+ 'list-tags': (
+ ListTags, ARGS_ONE_NODE, [],
+ "<node_name>", "List the tags of the given node"),
+ 'add-tags': (
+ AddTags, [ArgNode(min=1, max=1), ArgUnknown()], [TAG_SRC_OPT],
+ "<node_name> tag...", "Add tags to the given node"),
+ 'remove-tags': (
+ RemoveTags, [ArgNode(min=1, max=1), ArgUnknown()], [TAG_SRC_OPT],
+ "<node_name> tag...", "Remove tags from the given node"),
}
projects / ganeti-local / blobdiff