#!/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,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 optparse import make_option
from ganeti.cli import *
from ganeti import opcodes
-from ganeti import logger
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}
_LIST_DEF_FIELDS = [
"name", "dtotal", "dfree",
"mtotal", "mnode", "mfree",
"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",
+ "pinst_list": "PriInstances", "sinst_list": "SecInstances",
+ "pip": "PrimaryIP", "sip": "SecondaryIP",
+ "dtotal": "DTotal", "dfree": "DFree",
+ "mtotal": "MTotal", "mnode": "MNode", "mfree": "MFree",
+ "bootid": "BootID",
+ "ctotal": "CTotal", "cnodes": "CNodes", "csockets": "CSockets",
+ "tags": "Tags",
+ "serial_no": "SerialNo",
+ "master_candidate": "MasterC",
+ "master": "IsMaster",
+ "offline": "Offline", "drained": "Drained",
+ "role": "Role",
+ "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",
+ constants.ST_LVM_PV: "lvm-pv",
+ constants.ST_LVM_VG: "lvm-vg",
+ }
+
+_STORAGE_TYPE_OPT = \
+ cli_option("-t", "--storage-type",
+ dest="user_storage_type",
+ choices=_USER_STORAGE_TYPE.keys(),
+ default=None,
+ metavar="STORAGE_TYPE",
+ help=("Storage type (%s)" %
+ utils.CommaJoin(_USER_STORAGE_TYPE.keys())))
+
+_REPAIRABLE_STORAGE_TYPES = \
+ [st for st, so in constants.VALID_STORAGE_OPERATIONS.iteritems()
+ if constants.SO_FIX_CONSISTENCY in so]
+
+_MODIFIABLE_STORAGE_TYPES = constants.MODIFIABLE_STORAGE_FIELDS.keys()
+
+
+def ConvertStorageType(user_storage_type):
+ """Converts a user storage type to its internal name.
+
+ """
+ try:
+ return _USER_STORAGE_TYPE[user_storage_type]
+ except KeyError:
+ raise errors.OpPrereqError("Unknown storage type: %s" % user_storage_type,
+ errors.ECODE_INVAL)
+
+
+@UsesRPC
def AddNode(opts, args):
- """Add node cli-to-processor bridge.
+ """Add a node to the cluster.
+
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: should contain only one element, the new node name
+ @rtype: int
+ @return: the desired exit code
"""
- dns_data = utils.HostInfo(args[0])
- node = dns_data.name
-
- if not opts.readd:
- op = opcodes.OpQueryNodes(output_fields=['name'], names=[node])
- try:
- output = SubmitOpCode(op)
- except (errors.OpPrereqError, errors.OpExecError):
- pass
- else:
- logger.ToStderr("Node %s already in the cluster (as %s)"
- " - please use --readd" % (args[0], output[0][0]))
+ cl = GetClient()
+ node = netutils.GetHostname(name=args[0]).name
+ readd = opts.readd
+
+ try:
+ output = cl.QueryNodes(names=[node], fields=['name', 'sip'],
+ use_locking=False)
+ node_exists, sip = output[0]
+ except (errors.OpPrereqError, errors.OpExecError):
+ node_exists = ""
+ sip = None
+
+ if readd:
+ if not node_exists:
+ ToStderr("Node %s not in the cluster"
+ " - please retry without '--readd'", node)
return 1
+ else:
+ if node_exists:
+ ToStderr("Node %s already in the cluster (as %s)"
+ " - please retry with '--readd'", node, node_exists)
+ return 1
+ sip = opts.secondary_ip
+
+ # read the cluster name from the master
+ output = cl.QueryConfigValues(['cluster_name'])
+ cluster_name = output[0]
- logger.ToStderr("-- WARNING -- \n"
- "Performing this operation is going to replace the ssh daemon keypair\n"
- "on the target machine (%s) with the ones of the current one\n"
- "and grant full intra-cluster ssh root access to/from it\n" % node)
+ if not readd:
+ ToStderr("-- WARNING -- \n"
+ "Performing this operation is going to replace the ssh daemon"
+ " keypair\n"
+ "on the target machine (%s) with the ones of the"
+ " current one\n"
+ "and grant full intra-cluster ssh root access to/from it\n", node)
- bootstrap.SetupNodeDaemon(node)
+ bootstrap.SetupNodeDaemon(cluster_name, node, opts.ssh_key_check)
- op = opcodes.OpAddNode(node_name=args[0], secondary_ip=opts.secondary_ip,
+ op = opcodes.OpAddNode(node_name=args[0], secondary_ip=sip,
readd=opts.readd)
- SubmitOpCode(op)
+ SubmitOpCode(op, opts=opts)
def ListNodes(opts, args):
"""List nodes and their properties.
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: should be an empty list
+ @rtype: int
+ @return: the desired exit code
+
"""
if opts.output is None:
selected_fields = _LIST_DEF_FIELDS
else:
selected_fields = opts.output.split(",")
- op = opcodes.OpQueryNodes(output_fields=selected_fields, names=[])
- output = SubmitOpCode(op)
+ output = GetClient().QueryNodes(args, selected_fields, opts.do_locking)
if not opts.no_headers:
- headers = {
- "name": "Node", "pinst_cnt": "Pinst", "sinst_cnt": "Sinst",
- "pinst_list": "PriInstances", "sinst_list": "SecInstances",
- "pip": "PrimaryIP", "sip": "SecondaryIP",
- "dtotal": "DTotal", "dfree": "DFree",
- "mtotal": "MTotal", "mnode": "MNode", "mfree": "MFree",
- "bootid": "BootID",
- "ctotal": "CTotal",
- "tags": "Tags",
- }
+ headers = _LIST_HEADERS
else:
headers = None
- if opts.human_readable:
- unitfields = ["dtotal", "dfree", "mtotal", "mnode", "mfree"]
- else:
- unitfields = None
+ unitfields = ["dtotal", "dfree", "mtotal", "mnode", "mfree"]
numfields = ["dtotal", "dfree",
"mtotal", "mnode", "mfree",
"pinst_cnt", "sinst_cnt",
- "ctotal"]
+ "ctotal", "serial_no"]
list_type_fields = ("pinst_list", "sinst_list", "tags")
# change raw values to nicer strings
val = row[idx]
if field in list_type_fields:
val = ",".join(val)
+ elif field in ('master', 'master_candidate', 'offline', 'drained'):
+ if val:
+ val = 'Y'
+ else:
+ val = 'N'
+ elif field == "ctime" or field == "mtime":
+ 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,
fields=selected_fields, unitfields=unitfields,
- numfields=numfields, data=output)
+ numfields=numfields, data=output, units=opts.units)
for line in data:
- logger.ToStdout(line)
+ ToStdout(line)
return 0
def EvacuateNode(opts, args):
"""Relocate all secondary instance from a node.
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: should be an empty list
+ @rtype: int
+ @return: the desired exit code
+
"""
+ cl = GetClient()
force = opts.force
- selected_fields = ["name", "sinst_list"]
- src_node, dst_node = args
-
- op = opcodes.OpQueryNodes(output_fields=selected_fields, names=[src_node])
- result = SubmitOpCode(op)
- src_node, sinst = result[0]
- op = opcodes.OpQueryNodes(output_fields=["name"], names=[dst_node])
- result = SubmitOpCode(op)
- 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)
-
- if not sinst:
- logger.ToStderr("No secondary instances on node %s, exiting." % src_node)
- return constants.EXIT_SUCCESS
- sinst = utils.NiceSort(sinst)
+ dst_node = opts.dst_node
+ iallocator = opts.iallocator
+
+ op = opcodes.OpNodeEvacuationStrategy(nodes=args,
+ iallocator=iallocator,
+ remote_node=dst_node)
- retcode = constants.EXIT_SUCCESS
+ 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 not force and not AskUser("Relocate instance(s) %s from node\n"
- " %s to node\n %s?" %
- (",".join("'%s'" % name for name in sinst),
- src_node, dst_node)):
+ 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
- good_cnt = bad_cnt = 0
- for iname in sinst:
+ 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=dst_node,
- mode=constants.REPLACE_DISK_ALL,
- disks=["sda", "sdb"])
- try:
- logger.ToStdout("Replacing disks for instance %s" % iname)
- SubmitOpCode(op)
- logger.ToStdout("Instance %s has been relocated" % iname)
- good_cnt += 1
- except errors.GenericError, err:
- nret, msg = FormatError(err)
- retcode |= nret
- logger.ToStderr("Error replacing disks for instance %s: %s" %
- (iname, msg))
- bad_cnt += 1
-
- if retcode == constants.EXIT_SUCCESS:
- logger.ToStdout("All %d instance(s) relocated successfully." % good_cnt)
+ 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:
- logger.ToStdout("There were errors during the relocation:\n"
- "%d error(s) out of %d instance(s)." %
- (bad_cnt, good_cnt + bad_cnt))
- return retcode
+ 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):
"""Failover all primary instance on a node.
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: should be an empty list
+ @rtype: int
+ @return: the desired exit code
+
"""
+ cl = GetClient()
force = opts.force
selected_fields = ["name", "pinst_list"]
- op = opcodes.OpQueryNodes(output_fields=selected_fields, names=args)
- result = SubmitOpCode(op)
+ # these fields are static data anyway, so it doesn't matter, but
+ # locking=True should be safer
+ result = cl.QueryNodes(names=args, fields=selected_fields,
+ use_locking=False)
node, pinst = result[0]
if not pinst:
- logger.ToStderr("No primary instances on node %s, exiting." % node)
+ ToStderr("No primary instances on node %s, exiting.", node)
return 0
pinst = utils.NiceSort(pinst)
(",".join("'%s'" % name for name in pinst))):
return 2
- good_cnt = bad_cnt = 0
+ jex = JobExecutor(cl=cl, opts=opts)
for iname in pinst:
op = opcodes.OpFailoverInstance(instance_name=iname,
ignore_consistency=opts.ignore_consistency)
- try:
- logger.ToStdout("Failing over instance %s" % iname)
- SubmitOpCode(op)
- logger.ToStdout("Instance %s has been failed over" % iname)
- good_cnt += 1
- except errors.GenericError, err:
- nret, msg = FormatError(err)
- retcode |= nret
- logger.ToStderr("Error failing over instance %s: %s" % (iname, msg))
- bad_cnt += 1
-
- if retcode == 0:
- logger.ToStdout("All %d instance(s) failed over successfully." % good_cnt)
+ 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))
else:
- logger.ToStdout("There were errors during the failover:\n"
- "%d error(s) out of %d instance(s)." %
- (bad_cnt, good_cnt + bad_cnt))
+ ToStdout("There were errors during the failover:\n"
+ "%d error(s) out of %d instance(s).", bad_cnt, len(results))
return retcode
+def MigrateNode(opts, args):
+ """Migrate all primary instance on a node.
+
+ """
+ cl = GetClient()
+ force = opts.force
+ selected_fields = ["name", "pinst_list"]
+
+ result = cl.QueryNodes(names=args, fields=selected_fields, use_locking=False)
+ node, pinst = result[0]
+
+ if not pinst:
+ ToStdout("No primary instances on node %s, exiting." % node)
+ return 0
+
+ pinst = utils.NiceSort(pinst)
+
+ if not force and not AskUser("Migrate instance(s) %s?" %
+ (",".join("'%s'" % name for name in pinst))):
+ return 2
+
+ # 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):
"""Show node information.
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: should either be an empty list, in which case
+ we show information about all nodes, or should contain
+ a list of nodes to be queried for information
+ @rtype: int
+ @return: the desired exit code
+
"""
- op = opcodes.OpQueryNodes(output_fields=["name", "pip", "sip",
- "pinst_list", "sinst_list"],
- names=args)
- result = SubmitOpCode(op)
-
- for name, primary_ip, secondary_ip, pinst, sinst in result:
- logger.ToStdout("Node name: %s" % name)
- logger.ToStdout(" primary ip: %s" % primary_ip)
- logger.ToStdout(" secondary ip: %s" % secondary_ip)
+ cl = GetClient()
+ result = cl.QueryNodes(fields=["name", "pip", "sip",
+ "pinst_list", "sinst_list",
+ "master_candidate", "drained", "offline"],
+ names=args, use_locking=False)
+
+ for (name, primary_ip, secondary_ip, pinst, sinst,
+ is_mc, drained, offline) in result:
+ ToStdout("Node name: %s", name)
+ ToStdout(" primary ip: %s", primary_ip)
+ ToStdout(" secondary ip: %s", secondary_ip)
+ ToStdout(" master candidate: %s", is_mc)
+ ToStdout(" drained: %s", drained)
+ ToStdout(" offline: %s", offline)
if pinst:
- logger.ToStdout(" primary for instances:")
- for iname in pinst:
- logger.ToStdout(" - %s" % iname)
+ ToStdout(" primary for instances:")
+ for iname in utils.NiceSort(pinst):
+ ToStdout(" - %s", iname)
else:
- logger.ToStdout(" primary for no instances")
+ ToStdout(" primary for no instances")
if sinst:
- logger.ToStdout(" secondary for instances:")
- for iname in sinst:
- logger.ToStdout(" - %s" % iname)
+ ToStdout(" secondary for instances:")
+ for iname in utils.NiceSort(sinst):
+ ToStdout(" - %s", iname)
else:
- logger.ToStdout(" secondary for no instances")
+ ToStdout(" secondary for no instances")
return 0
def RemoveNode(opts, args):
- """Remove node cli-to-processor bridge."""
+ """Remove a node from the cluster.
+
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: should contain only one element, the name of
+ the node to be removed
+ @rtype: int
+ @return: the desired exit code
+
+ """
op = opcodes.OpRemoveNode(node_name=args[0])
- SubmitOpCode(op)
+ SubmitOpCode(op, opts=opts)
+ return 0
+
+
+def PowercycleNode(opts, args):
+ """Remove a node from the cluster.
+
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: should contain only one element, the name of
+ the node to be removed
+ @rtype: int
+ @return: the desired exit code
+
+ """
+ node = args[0]
+ if (not opts.confirm and
+ not AskUser("Are you sure you want to hard powercycle node %s?" % node)):
+ return 2
+
+ op = opcodes.OpPowercycleNode(node_name=node, force=opts.force)
+ result = SubmitOpCode(op, opts=opts)
+ ToStderr(result)
+ return 0
def ListVolumes(opts, args):
"""List logical volumes on node(s).
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: should either be an empty list, in which case
+ we list data for all nodes, or contain a list of nodes
+ to display data only for those
+ @rtype: int
+ @return: the desired exit code
+
"""
if opts.output is None:
selected_fields = ["node", "phys", "vg",
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",
else:
headers = None
- if opts.human_readable:
- unitfields = ["size"]
- else:
- unitfields = None
+ unitfields = ["size"]
numfields = ["size"]
data = GenerateTable(separator=opts.separator, headers=headers,
fields=selected_fields, unitfields=unitfields,
- numfields=numfields, data=output)
+ numfields=numfields, data=output, units=opts.units)
+
+ for line in data:
+ ToStdout(line)
+
+ return 0
+
+
+def ListStorage(opts, args):
+ """List physical volumes on node(s).
+
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: should either be an empty list, in which case
+ we list data for all nodes, or contain a list of nodes
+ to display data only for those
+ @rtype: int
+ @return: the desired exit code
+
+ """
+ # TODO: Default to ST_FILE if LVM is disabled on the cluster
+ if opts.user_storage_type is None:
+ opts.user_storage_type = constants.ST_LVM_PV
+
+ storage_type = ConvertStorageType(opts.user_storage_type)
+
+ if opts.output is None:
+ 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, opts=opts)
+
+ if not opts.no_headers:
+ 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",
+ }
+ else:
+ headers = None
+
+ 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)
for line in data:
- logger.ToStdout(line)
+ ToStdout(line)
+
+ return 0
+
+
+def ModifyStorage(opts, args):
+ """Modify storage volume on a node.
+
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: should contain 3 items: node name, storage type and volume name
+ @rtype: int
+ @return: the desired exit code
+
+ """
+ (node_name, user_storage_type, volume_name) = args
+
+ storage_type = ConvertStorageType(user_storage_type)
+ changes = {}
+
+ if opts.allocatable is not None:
+ 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, opts=opts)
+ else:
+ ToStderr("No changes to perform, exiting.")
+
+
+def RepairStorage(opts, args):
+ """Repairs a storage volume on a node.
+
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: should contain 3 items: node name, storage type and volume name
+ @rtype: int
+ @return: the desired exit code
+
+ """
+ (node_name, user_storage_type, volume_name) = args
+
+ storage_type = ConvertStorageType(user_storage_type)
+
+ op = opcodes.OpRepairNodeStorage(node_name=node_name,
+ storage_type=storage_type,
+ name=volume_name,
+ ignore_consistency=opts.ignore_consistency)
+ SubmitOpCode(op, opts=opts)
+
+
+def SetNodeParams(opts, args):
+ """Modifies a node.
+
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: should contain only one element, the node name
+ @rtype: int
+ @return: the desired exit code
+
+ """
+ if [opts.master_candidate, opts.drained, opts.offline].count(None) == 3:
+ ToStderr("Please give at least one of the parameters.")
+ return 1
+
+ op = opcodes.OpSetNodeParams(node_name=args[0],
+ 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)
+
+ if result:
+ ToStdout("Modified node %s", args[0])
+ for param, data in result:
+ ToStdout(" - %-5s -> %s", param, data)
return 0
commands = {
- 'add': (AddNode, ARGS_ONE,
- [DEBUG_OPT,
- make_option("-s", "--secondary-ip", dest="secondary_ip",
- help="Specify the secondary ip for the node",
- metavar="ADDRESS", default=None),
- make_option("--readd", dest="readd",
- default=False, action="store_true",
- help="Readd old node after replacing it"),
- ],
- "[-s ip] [--readd] <node_name>", "Add a node to the cluster"),
- 'evacuate': (EvacuateNode, ARGS_FIXED(2),
- [DEBUG_OPT, FORCE_OPT],
- "[-f] <src> <dst>",
- "Relocate the secondary instances from the first node"
- " to the second one (only for instances with drbd disk template"
- ),
- 'failover': (FailoverNode, ARGS_ONE,
- [DEBUG_OPT, FORCE_OPT,
- make_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)"),
- 'info': (ShowNodeConfig, ARGS_ANY, [DEBUG_OPT],
- "[<node_name>...]", "Show information about the node(s)"),
- 'list': (ListNodes, ARGS_NONE,
- [DEBUG_OPT, NOHDR_OPT, SEP_OPT, USEUNITS_OPT, FIELDS_OPT],
- "", "Lists the nodes in the cluster. The available fields"
- " are (see the man page for details): name, pinst_cnt, pinst_list,"
- " sinst_cnt, sinst_list, pip, sip, dtotal, dfree, mtotal, mnode,"
- " mfree, bootid, cpu_count. The default field list is"
- " (in order): %s." % ", ".join(_LIST_DEF_FIELDS),
- ),
- 'remove': (RemoveNode, ARGS_ONE, [DEBUG_OPT],
- "<node_name>", "Removes a node from the cluster"),
- 'volumes': (ListVolumes, ARGS_ANY,
- [DEBUG_OPT, NOHDR_OPT, SEP_OPT, USEUNITS_OPT, FIELDS_OPT],
- "[<node_name>...]", "List logical volumes on node(s)"),
- 'list-tags': (ListTags, ARGS_ONE, [DEBUG_OPT],
- "<node_name>", "List the tags of the given node"),
- 'add-tags': (AddTags, ARGS_ATLEAST(1), [DEBUG_OPT, TAG_SRC_OPT],
- "<node_name> tag...", "Add tags to the given node"),
- 'remove-tags': (RemoveTags, ARGS_ATLEAST(1), [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"),
}