X-Git-Url: https://code.grnet.gr/git/ganeti-local/blobdiff_plain/c450e9b0b22fb6577fb579bdf98cf084e3643da6..8c35561fed3ec474eccc5a6f03ada797d13b109b:/scripts/gnt-node diff --git a/scripts/gnt-node b/scripts/gnt-node index 8d4cfcb..b3d911f 100755 --- a/scripts/gnt-node +++ b/scripts/gnt-node @@ -1,7 +1,7 @@ #!/usr/bin/python # -# Copyright (C) 2006, 2007 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 @@ -18,95 +18,302 @@ # 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.""" - 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" % args[0]) - op = opcodes.OpAddNode(node_name=args[0], secondary_ip=opts.secondary_ip) - SubmitOpCode(op) + """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 + + """ + cl = GetClient() + dns_data = netutils.GetHostInfo(netutils.HostInfo.NormalizeName(args[0])) + node = dns_data.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] + + 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(cluster_name, node, opts.ssh_key_check) + + op = opcodes.OpAddNode(node_name=args[0], secondary_ip=sip, + readd=opts.readd) + 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 = ["name", "dtotal", "dfree", - "mtotal", "mnode", "mfree", - "pinst_cnt", "sinst_cnt"] + selected_fields = _LIST_DEF_FIELDS + elif opts.output.startswith("+"): + selected_fields = _LIST_DEF_FIELDS + opts.output[1:].split(",") 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"} + 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"] + "pinst_cnt", "sinst_cnt", + "ctotal", "serial_no"] + list_type_fields = ("pinst_list", "sinst_list", "tags") # change raw values to nicer strings for row in output: for idx, field in enumerate(selected_fields): val = row[idx] - if field == "pinst_list": - val = ",".join(val) - elif field == "sinst_list": + 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 + + dst_node = opts.dst_node + iallocator = opts.iallocator + + op = opcodes.OpNodeEvacuationStrategy(nodes=args, + iallocator=iallocator, + remote_node=dst_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 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 + + 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): """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) @@ -117,68 +324,146 @@ def FailoverNode(opts, args): (",".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", @@ -187,7 +472,7 @@ def ListVolumes(opts, args): 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", @@ -196,56 +481,246 @@ def ListVolumes(opts, args): 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),], - "", "Add a node to the cluster"), - '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] ", - "Stops the primary instances on a node and start them on their" - " secondary node (only for instances of type remote_raid1)"), - 'info': (ShowNodeConfig, ARGS_ANY, [DEBUG_OPT], - "[...]", "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"), - 'remove': (RemoveNode, ARGS_ONE, [DEBUG_OPT], - "", "Removes a node from the cluster"), - 'volumes': (ListVolumes, ARGS_ANY, - [DEBUG_OPT, NOHDR_OPT, SEP_OPT, USEUNITS_OPT, FIELDS_OPT], - "[...]", "List logical volumes on node(s)"), - 'list-tags': (ListTags, ARGS_ONE, [DEBUG_OPT], - "", "List the tags of the given node"), - 'add-tags': (AddTags, ARGS_ATLEAST(1), [DEBUG_OPT, TAG_SRC_OPT], - " tag...", "Add tags to the given node"), - 'remove-tags': (RemoveTags, ARGS_ATLEAST(1), [DEBUG_OPT, TAG_SRC_OPT], - " 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] ", + "Add a node to the cluster"), + 'evacuate': ( + EvacuateNode, [ArgNode(min=1)], + [FORCE_OPT, IALLOCATOR_OPT, NEW_SECONDARY_OPT, EARLY_RELEASE_OPT], + "[-f] {-I | -n } ", + "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] ", + "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] ", + "Migrate all the primary instance on a node away from it" + " (only for instances of type drbd)"), + 'info': ( + ShowNodeConfig, ARGS_MANY_NODES, [], + "[...]", "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], + "", "Alters the parameters of a node"), + 'powercycle': ( + PowercycleNode, ARGS_ONE_NODE, + [FORCE_OPT, CONFIRM_OPT], + "", "Tries to forcefully powercycle a node"), + 'remove': ( + RemoveNode, ARGS_ONE_NODE, [], + "", "Removes a node from the cluster"), + 'volumes': ( + ListVolumes, [ArgNode()], + [NOHDR_OPT, SEP_OPT, USEUNITS_OPT, FIELDS_OPT], + "[...]", "List logical volumes on node(s)"), + 'list-storage': ( + ListStorage, ARGS_MANY_NODES, + [NOHDR_OPT, SEP_OPT, USEUNITS_OPT, FIELDS_OPT, _STORAGE_TYPE_OPT], + "[...]", "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], + " ", "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], + " ", + "Repairs a storage volume on a node"), + 'list-tags': ( + ListTags, ARGS_ONE_NODE, [], + "", "List the tags of the given node"), + 'add-tags': ( + AddTags, [ArgNode(min=1, max=1), ArgUnknown()], [TAG_SRC_OPT], + " tag...", "Add tags to the given node"), + 'remove-tags': ( + RemoveTags, [ArgNode(min=1, max=1), ArgUnknown()], [TAG_SRC_OPT], + " tag...", "Remove tags from the given node"), }