#!/usr/bin/python
#
-# Copyright (C) 2006, 2007 Google Inc.
+# Copyright (C) 2006, 2007, 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.
+"""Cluster 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-cluster
import sys
-from optparse import make_option
-import pprint
+import os.path
+import time
+import OpenSSL
from ganeti.cli import *
from ganeti import opcodes
from ganeti import constants
-
-
+from ganeti import errors
+from ganeti import utils
+from ganeti import bootstrap
+from ganeti import ssh
+from ganeti import objects
+from ganeti import uidpool
+from ganeti import compat
+
+PREALLOC_WIPE_DISKS_OPT = cli_option("--prealloc-wipe-disks", default=False,
+ action="store_true",
+ dest="prealloc_wipe_disks",
+ help=("Wipe disks prior to instance"
+ " creation"))
+
+@UsesRPC
def InitCluster(opts, args):
"""Initialize the cluster.
- Args:
- opts - class with options as members
- args - list of arguments, expected to be [clustername]
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: should contain only one element, the desired
+ cluster name
+ @rtype: int
+ @return: the desired exit code
"""
- op = opcodes.OpInitCluster(cluster_name=args[0],
- secondary_ip=opts.secondary_ip,
- hypervisor_type=opts.hypervisor_type,
- vg_name=opts.vg_name,
- mac_prefix=opts.mac_prefix,
- def_bridge=opts.def_bridge,
- master_netdev=opts.master_netdev)
- SubmitOpCode(op)
+ if not opts.lvm_storage and opts.vg_name:
+ ToStderr("Options --no-lvm-storage and --vg-name conflict.")
+ return 1
+
+ vg_name = opts.vg_name
+ if opts.lvm_storage and not opts.vg_name:
+ vg_name = constants.DEFAULT_VG
+
+ if not opts.drbd_storage and opts.drbd_helper:
+ ToStderr("Options --no-drbd-storage and --drbd-usermode-helper conflict.")
+ return 1
+
+ drbd_helper = opts.drbd_helper
+ if opts.drbd_storage and not opts.drbd_helper:
+ drbd_helper = constants.DEFAULT_DRBD_HELPER
+
+ hvlist = opts.enabled_hypervisors
+ if hvlist is None:
+ hvlist = constants.DEFAULT_ENABLED_HYPERVISOR
+ hvlist = hvlist.split(",")
+
+ hvparams = dict(opts.hvparams)
+ beparams = opts.beparams
+ nicparams = opts.nicparams
+
+ # prepare beparams dict
+ beparams = objects.FillDict(constants.BEC_DEFAULTS, beparams)
+ utils.ForceDictType(beparams, constants.BES_PARAMETER_TYPES)
+
+ # prepare nicparams dict
+ nicparams = objects.FillDict(constants.NICC_DEFAULTS, nicparams)
+ utils.ForceDictType(nicparams, constants.NICS_PARAMETER_TYPES)
+
+ # prepare hvparams dict
+ for hv in constants.HYPER_TYPES:
+ if hv not in hvparams:
+ hvparams[hv] = {}
+ hvparams[hv] = objects.FillDict(constants.HVC_DEFAULTS[hv], hvparams[hv])
+ utils.ForceDictType(hvparams[hv], constants.HVS_PARAMETER_TYPES)
+
+ if opts.candidate_pool_size is None:
+ opts.candidate_pool_size = constants.MASTER_POOL_SIZE_DEFAULT
+
+ if opts.mac_prefix is None:
+ opts.mac_prefix = constants.DEFAULT_MAC_PREFIX
+
+ uid_pool = opts.uid_pool
+ if uid_pool is not None:
+ uid_pool = uidpool.ParseUidPool(uid_pool)
+
+ try:
+ primary_ip_version = int(opts.primary_ip_version)
+ except (ValueError, TypeError), err:
+ ToStderr("Invalid primary ip version value: %s" % str(err))
+ return 1
+
+ bootstrap.InitCluster(cluster_name=args[0],
+ secondary_ip=opts.secondary_ip,
+ vg_name=vg_name,
+ mac_prefix=opts.mac_prefix,
+ master_netdev=opts.master_netdev,
+ file_storage_dir=opts.file_storage_dir,
+ enabled_hypervisors=hvlist,
+ hvparams=hvparams,
+ beparams=beparams,
+ nicparams=nicparams,
+ candidate_pool_size=opts.candidate_pool_size,
+ modify_etc_hosts=opts.modify_etc_hosts,
+ modify_ssh_setup=opts.modify_ssh_setup,
+ maintain_node_health=opts.maintain_node_health,
+ drbd_helper=drbd_helper,
+ uid_pool=uid_pool,
+ default_iallocator=opts.default_iallocator,
+ primary_ip_version=primary_ip_version,
+ prealloc_wipe_disks=opts.prealloc_wipe_disks,
+ )
+ op = opcodes.OpPostInitCluster()
+ SubmitOpCode(op, opts=opts)
return 0
+@UsesRPC
def DestroyCluster(opts, args):
"""Destroy the cluster.
- Args:
- opts - class with options as members
+ @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 not opts.yes_do_it:
- print ("Destroying a cluster is irreversibly. If you really want destroy"
- " this cluster, supply the --yes-do-it option.")
+ ToStderr("Destroying a cluster is irreversible. If you really want"
+ " destroy this cluster, supply the --yes-do-it option.")
return 1
op = opcodes.OpDestroyCluster()
- SubmitOpCode(op)
+ master = SubmitOpCode(op, opts=opts)
+ # if we reached this, the opcode didn't fail; we can proceed to
+ # shutdown all the daemons
+ bootstrap.FinalizeClusterDestroy(master)
return 0
def RenameCluster(opts, args):
"""Rename the cluster.
- Args:
- opts - class with options as members, we use force only
- args - list of arguments, expected to be [new_name]
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: should contain only one element, the new cluster name
+ @rtype: int
+ @return: the desired exit code
"""
- name = args[0]
+ cl = GetClient()
+
+ (cluster_name, ) = cl.QueryConfigValues(["cluster_name"])
+
+ new_name = args[0]
if not opts.force:
- usertext = ("This will rename the cluster to '%s'. If you are connected"
- " over the network to the cluster name, the operation is very"
- " dangerous as the IP address will be removed from the node"
- " and the change may not go through. Continue?") % name
+ usertext = ("This will rename the cluster from '%s' to '%s'. If you are"
+ " connected over the network to the cluster name, the"
+ " operation is very dangerous as the IP address will be"
+ " removed from the node and the change may not go through."
+ " Continue?") % (cluster_name, new_name)
if not AskUser(usertext):
return 1
- op = opcodes.OpRenameCluster(name=name)
- SubmitOpCode(op)
+ op = opcodes.OpRenameCluster(name=new_name)
+ result = SubmitOpCode(op, opts=opts, cl=cl)
+
+ if result:
+ ToStdout("Cluster renamed from '%s' to '%s'", cluster_name, result)
+
+ return 0
+
+
+def RedistributeConfig(opts, args):
+ """Forces push of the cluster configuration.
+
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: empty list
+ @rtype: int
+ @return: the desired exit code
+
+ """
+ op = opcodes.OpRedistributeConfig()
+ SubmitOrSend(op, opts)
return 0
def ShowClusterVersion(opts, args):
"""Write version of ganeti software to the standard output.
- Args:
- opts - class with options as members
+ @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
"""
- op = opcodes.OpQueryClusterInfo()
- result = SubmitOpCode(op)
- print ("Software version: %s" % result["software_version"])
- print ("Internode protocol: %s" % result["protocol_version"])
- print ("Configuration format: %s" % result["config_version"])
- print ("OS api version: %s" % result["os_api_version"])
- print ("Export interface: %s" % result["export_version"])
+ cl = GetClient()
+ result = cl.QueryClusterInfo()
+ ToStdout("Software version: %s", result["software_version"])
+ ToStdout("Internode protocol: %s", result["protocol_version"])
+ ToStdout("Configuration format: %s", result["config_version"])
+ ToStdout("OS api version: %s", result["os_api_version"])
+ ToStdout("Export interface: %s", result["export_version"])
return 0
def ShowClusterMaster(opts, args):
"""Write name of master node to the standard output.
- Args:
- opts - class with options as members
+ @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
"""
- op = opcodes.OpQueryClusterInfo()
- result = SubmitOpCode(op)
- print (result["master"])
+ master = bootstrap.GetMaster()
+ ToStdout(master)
return 0
-def ShowClusterConfig(opts, args):
- """Shows cluster information.
+def _PrintGroupedParams(paramsdict, level=1, roman=False):
+ """Print Grouped parameters (be, nic, disk) by group.
+
+ @type paramsdict: dict of dicts
+ @param paramsdict: {group: {param: value, ...}, ...}
+ @type level: int
+ @param level: Level of indention
"""
- op = opcodes.OpQueryClusterInfo()
- result = SubmitOpCode(op)
+ indent = " " * level
+ for item, val in sorted(paramsdict.items()):
+ if isinstance(val, dict):
+ ToStdout("%s- %s:", indent, item)
+ _PrintGroupedParams(val, level=level + 1, roman=roman)
+ elif roman and isinstance(val, int):
+ ToStdout("%s %s: %s", indent, item, compat.TryToRoman(val))
+ else:
+ ToStdout("%s %s: %s", indent, item, val)
+
- print ("Cluster name: %s" % result["name"])
+def ShowClusterConfig(opts, args):
+ """Shows cluster information.
- print ("Master node: %s" % result["master"])
+ @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
- print ("Architecture (this node): %s (%s)" %
- (result["architecture"][0], result["architecture"][1]))
+ """
+ cl = GetClient()
+ result = cl.QueryClusterInfo()
+
+ ToStdout("Cluster name: %s", result["name"])
+ ToStdout("Cluster UUID: %s", result["uuid"])
+
+ ToStdout("Creation time: %s", utils.FormatTime(result["ctime"]))
+ ToStdout("Modification time: %s", utils.FormatTime(result["mtime"]))
+
+ ToStdout("Master node: %s", result["master"])
+
+ ToStdout("Architecture (this node): %s (%s)",
+ result["architecture"][0], result["architecture"][1])
+
+ if result["tags"]:
+ tags = utils.CommaJoin(utils.NiceSort(result["tags"]))
+ else:
+ tags = "(none)"
+
+ ToStdout("Tags: %s", tags)
+
+ ToStdout("Default hypervisor: %s", result["default_hypervisor"])
+ ToStdout("Enabled hypervisors: %s",
+ utils.CommaJoin(result["enabled_hypervisors"]))
+
+ ToStdout("Hypervisor parameters:")
+ _PrintGroupedParams(result["hvparams"])
+
+ ToStdout("OS-specific hypervisor parameters:")
+ _PrintGroupedParams(result["os_hvp"])
+
+ ToStdout("OS parameters:")
+ _PrintGroupedParams(result["osparams"])
+
+ ToStdout("Cluster parameters:")
+ ToStdout(" - candidate pool size: %s",
+ compat.TryToRoman(result["candidate_pool_size"],
+ convert=opts.roman_integers))
+ ToStdout(" - master netdev: %s", result["master_netdev"])
+ ToStdout(" - lvm volume group: %s", result["volume_group_name"])
+ if result["reserved_lvs"]:
+ reserved_lvs = utils.CommaJoin(result["reserved_lvs"])
+ else:
+ reserved_lvs = "(none)"
+ ToStdout(" - lvm reserved volumes: %s", reserved_lvs)
+ ToStdout(" - drbd usermode helper: %s", result["drbd_usermode_helper"])
+ ToStdout(" - file storage path: %s", result["file_storage_dir"])
+ ToStdout(" - maintenance of node health: %s",
+ result["maintain_node_health"])
+ ToStdout(" - uid pool: %s",
+ uidpool.FormatUidPool(result["uid_pool"],
+ roman=opts.roman_integers))
+ ToStdout(" - default instance allocator: %s", result["default_iallocator"])
+ ToStdout(" - primary ip version: %d", result["primary_ip_version"])
+ ToStdout(" - preallocation wipe disks: %s", result["prealloc_wipe_disks"])
+
+ ToStdout("Default instance parameters:")
+ _PrintGroupedParams(result["beparams"], roman=opts.roman_integers)
+
+ ToStdout("Default nic parameters:")
+ _PrintGroupedParams(result["nicparams"], roman=opts.roman_integers)
return 0
def ClusterCopyFile(opts, args):
"""Copy a file from master to some nodes.
- Args:
- opts - class with options as members
- args - list containing a single element, the file name
- Opts used:
- nodes - list containing the name of target nodes; if empty, all nodes
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: should contain only one element, the path of
+ the file to be copied
+ @rtype: int
+ @return: the desired exit code
"""
- op = opcodes.OpClusterCopyFile(filename=args[0], nodes=opts.nodes)
- SubmitOpCode(op)
+ filename = args[0]
+ if not os.path.exists(filename):
+ raise errors.OpPrereqError("No such filename '%s'" % filename,
+ errors.ECODE_INVAL)
+
+ cl = GetClient()
+
+ cluster_name = cl.QueryConfigValues(["cluster_name"])[0]
+
+ results = GetOnlineNodes(nodes=opts.nodes, cl=cl, filter_master=True,
+ secondary_ips=opts.use_replication_network)
+
+ srun = ssh.SshRunner(cluster_name=cluster_name)
+ for node in results:
+ if not srun.CopyFileToNode(node, filename):
+ ToStderr("Copy of file %s to node %s failed", filename, node)
+
return 0
def RunClusterCommand(opts, args):
"""Run a command on some nodes.
- Args:
- opts - class with options as members
- args - the command list as a list
- Opts used:
- nodes: list containing the name of target nodes; if empty, all nodes
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: should contain the command to be run and its arguments
+ @rtype: int
+ @return: the desired exit code
"""
+ cl = GetClient()
+
command = " ".join(args)
- nodes = opts.nodes
- op = opcodes.OpRunClusterCommand(command=command, nodes=nodes)
- result = SubmitOpCode(op)
- for node, output, exit_code in result:
- print ("------------------------------------------------")
- print ("node: %s" % node)
- print ("%s" % output)
- print ("return code = %s" % exit_code)
+
+ nodes = GetOnlineNodes(nodes=opts.nodes, cl=cl)
+
+ cluster_name, master_node = cl.QueryConfigValues(["cluster_name",
+ "master_node"])
+
+ srun = ssh.SshRunner(cluster_name=cluster_name)
+
+ # Make sure master node is at list end
+ if master_node in nodes:
+ nodes.remove(master_node)
+ nodes.append(master_node)
+
+ for name in nodes:
+ result = srun.Run(name, "root", command)
+ ToStdout("------------------------------------------------")
+ ToStdout("node: %s", name)
+ ToStdout("%s", result.output)
+ ToStdout("return code = %s", result.exit_code)
+
+ return 0
def VerifyCluster(opts, args):
"""Verify integrity of cluster, performing various test on nodes.
- Args:
- opts - class with options as members
+ @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
"""
- op = opcodes.OpVerifyCluster()
- result = SubmitOpCode(op)
- return result
+ skip_checks = []
+ if opts.skip_nplusone_mem:
+ skip_checks.append(constants.VERIFY_NPLUSONE_MEM)
+ op = opcodes.OpVerifyCluster(skip_checks=skip_checks,
+ verbose=opts.verbose,
+ error_codes=opts.error_codes,
+ debug_simulate_errors=opts.simulate_errors)
+ if SubmitOpCode(op, opts=opts):
+ return 0
+ else:
+ return 1
+
+def VerifyDisks(opts, args):
+ """Verify integrity of cluster disks.
+ @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()
+
+ op = opcodes.OpVerifyDisks()
+ result = SubmitOpCode(op, opts=opts, cl=cl)
+ if not isinstance(result, (list, tuple)) or len(result) != 3:
+ raise errors.ProgrammerError("Unknown result type for OpVerifyDisks")
+
+ bad_nodes, instances, missing = result
+
+ retcode = constants.EXIT_SUCCESS
+
+ if bad_nodes:
+ for node, text in bad_nodes.items():
+ ToStdout("Error gathering data on node %s: %s",
+ node, utils.SafeEncode(text[-400:]))
+ retcode |= 1
+ ToStdout("You need to fix these nodes first before fixing instances")
+
+ if instances:
+ for iname in instances:
+ if iname in missing:
+ continue
+ op = opcodes.OpActivateInstanceDisks(instance_name=iname)
+ try:
+ ToStdout("Activating disks for instance '%s'", iname)
+ SubmitOpCode(op, opts=opts, cl=cl)
+ except errors.GenericError, err:
+ nret, msg = FormatError(err)
+ retcode |= nret
+ ToStderr("Error activating disks for instance %s: %s", iname, msg)
+
+ if missing:
+ (vg_name, ) = cl.QueryConfigValues(["volume_group_name"])
+
+ for iname, ival in missing.iteritems():
+ all_missing = compat.all(x[0] in bad_nodes for x in ival)
+ if all_missing:
+ ToStdout("Instance %s cannot be verified as it lives on"
+ " broken nodes", iname)
+ else:
+ ToStdout("Instance %s has missing logical volumes:", iname)
+ ival.sort()
+ for node, vol in ival:
+ if node in bad_nodes:
+ ToStdout("\tbroken node %s /dev/%s/%s", node, vg_name, vol)
+ else:
+ ToStdout("\t%s /dev/%s/%s", node, vg_name, vol)
+
+ ToStdout("You need to run replace_disks for all the above"
+ " instances, if this message persist after fixing nodes.")
+ retcode |= 1
+
+ return retcode
+
+
+def RepairDiskSizes(opts, args):
+ """Verify sizes of cluster disks.
+
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: optional list of instances to restrict check to
+ @rtype: int
+ @return: the desired exit code
+
+ """
+ op = opcodes.OpRepairDiskSizes(instances=args)
+ SubmitOpCode(op, opts=opts)
+
+
+@UsesRPC
def MasterFailover(opts, args):
"""Failover the master node.
master to cease being master, and the non-master to become new
master.
+ @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.no_voting:
+ usertext = ("This will perform the failover even if most other nodes"
+ " are down, or if this node is outdated. This is dangerous"
+ " as it can lead to a non-consistent cluster. Check the"
+ " gnt-cluster(8) man page before proceeding. Continue?")
+ if not AskUser(usertext):
+ return 1
+
+ return bootstrap.MasterFailover(no_voting=opts.no_voting)
+
+
+def MasterPing(opts, args):
+ """Checks if the master is alive.
+
+ @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
+
+ """
+ try:
+ cl = GetClient()
+ cl.QueryClusterInfo()
+ return 0
+ except Exception: # pylint: disable-msg=W0703
+ return 1
+
+
+def SearchTags(opts, args):
+ """Searches the tags on all the cluster.
+
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: should contain only one element, the tag pattern
+ @rtype: int
+ @return: the desired exit code
+
+ """
+ op = opcodes.OpSearchTags(pattern=args[0])
+ result = SubmitOpCode(op, opts=opts)
+ if not result:
+ return 1
+ result = list(result)
+ result.sort()
+ for path, tag in result:
+ ToStdout("%s %s", path, tag)
+
+
+def _RenewCrypto(new_cluster_cert, new_rapi_cert, rapi_cert_filename,
+ new_confd_hmac_key, new_cds, cds_filename,
+ force):
+ """Renews cluster certificates, keys and secrets.
+
+ @type new_cluster_cert: bool
+ @param new_cluster_cert: Whether to generate a new cluster certificate
+ @type new_rapi_cert: bool
+ @param new_rapi_cert: Whether to generate a new RAPI certificate
+ @type rapi_cert_filename: string
+ @param rapi_cert_filename: Path to file containing new RAPI certificate
+ @type new_confd_hmac_key: bool
+ @param new_confd_hmac_key: Whether to generate a new HMAC key
+ @type new_cds: bool
+ @param new_cds: Whether to generate a new cluster domain secret
+ @type cds_filename: string
+ @param cds_filename: Path to file containing new cluster domain secret
+ @type force: bool
+ @param force: Whether to ask user for confirmation
+
+ """
+ if new_rapi_cert and rapi_cert_filename:
+ ToStderr("Only one of the --new-rapi-certficate and --rapi-certificate"
+ " options can be specified at the same time.")
+ return 1
+
+ if new_cds and cds_filename:
+ ToStderr("Only one of the --new-cluster-domain-secret and"
+ " --cluster-domain-secret options can be specified at"
+ " the same time.")
+ return 1
+
+ if rapi_cert_filename:
+ # Read and verify new certificate
+ try:
+ rapi_cert_pem = utils.ReadFile(rapi_cert_filename)
+
+ OpenSSL.crypto.load_certificate(OpenSSL.crypto.FILETYPE_PEM,
+ rapi_cert_pem)
+ except Exception, err: # pylint: disable-msg=W0703
+ ToStderr("Can't load new RAPI certificate from %s: %s" %
+ (rapi_cert_filename, str(err)))
+ return 1
+
+ try:
+ OpenSSL.crypto.load_privatekey(OpenSSL.crypto.FILETYPE_PEM, rapi_cert_pem)
+ except Exception, err: # pylint: disable-msg=W0703
+ ToStderr("Can't load new RAPI private key from %s: %s" %
+ (rapi_cert_filename, str(err)))
+ return 1
+
+ else:
+ rapi_cert_pem = None
+
+ if cds_filename:
+ try:
+ cds = utils.ReadFile(cds_filename)
+ except Exception, err: # pylint: disable-msg=W0703
+ ToStderr("Can't load new cluster domain secret from %s: %s" %
+ (cds_filename, str(err)))
+ return 1
+ else:
+ cds = None
+
+ if not force:
+ usertext = ("This requires all daemons on all nodes to be restarted and"
+ " may take some time. Continue?")
+ if not AskUser(usertext):
+ return 1
+
+ def _RenewCryptoInner(ctx):
+ ctx.feedback_fn("Updating certificates and keys")
+ bootstrap.GenerateClusterCrypto(new_cluster_cert, new_rapi_cert,
+ new_confd_hmac_key,
+ new_cds,
+ rapi_cert_pem=rapi_cert_pem,
+ cds=cds)
+
+ files_to_copy = []
+
+ if new_cluster_cert:
+ files_to_copy.append(constants.NODED_CERT_FILE)
+
+ if new_rapi_cert or rapi_cert_pem:
+ files_to_copy.append(constants.RAPI_CERT_FILE)
+
+ if new_confd_hmac_key:
+ files_to_copy.append(constants.CONFD_HMAC_KEY)
+
+ if new_cds or cds:
+ files_to_copy.append(constants.CLUSTER_DOMAIN_SECRET_FILE)
+
+ if files_to_copy:
+ for node_name in ctx.nonmaster_nodes:
+ ctx.feedback_fn("Copying %s to %s" %
+ (", ".join(files_to_copy), node_name))
+ for file_name in files_to_copy:
+ ctx.ssh.CopyFileToNode(node_name, file_name)
+
+ RunWhileClusterStopped(ToStdout, _RenewCryptoInner)
+
+ ToStdout("All requested certificates and keys have been replaced."
+ " Running \"gnt-cluster verify\" now is recommended.")
+
+ return 0
+
+
+def RenewCrypto(opts, args):
+ """Renews cluster certificates, keys and secrets.
+
+ """
+ return _RenewCrypto(opts.new_cluster_cert,
+ opts.new_rapi_cert,
+ opts.rapi_cert,
+ opts.new_confd_hmac_key,
+ opts.new_cluster_domain_secret,
+ opts.cluster_domain_secret,
+ opts.force)
+
+
+def SetClusterParams(opts, args):
+ """Modify the cluster.
+
+ @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 not (not opts.lvm_storage or opts.vg_name or
+ not opts.drbd_storage or opts.drbd_helper or
+ opts.enabled_hypervisors or opts.hvparams or
+ opts.beparams or opts.nicparams or
+ opts.candidate_pool_size is not None or
+ opts.uid_pool is not None or
+ opts.maintain_node_health is not None or
+ opts.add_uids is not None or
+ opts.remove_uids is not None or
+ opts.default_iallocator is not None or
+ opts.reserved_lvs is not None):
+ ToStderr("Please give at least one of the parameters.")
+ return 1
+
+ vg_name = opts.vg_name
+ if not opts.lvm_storage and opts.vg_name:
+ ToStderr("Options --no-lvm-storage and --vg-name conflict.")
+ return 1
+
+ if not opts.lvm_storage:
+ vg_name = ""
+
+ drbd_helper = opts.drbd_helper
+ if not opts.drbd_storage and opts.drbd_helper:
+ ToStderr("Options --no-drbd-storage and --drbd-usermode-helper conflict.")
+ return 1
+
+ if not opts.drbd_storage:
+ drbd_helper = ""
+
+ hvlist = opts.enabled_hypervisors
+ if hvlist is not None:
+ hvlist = hvlist.split(",")
+
+ # a list of (name, dict) we can pass directly to dict() (or [])
+ hvparams = dict(opts.hvparams)
+ for hv_params in hvparams.values():
+ utils.ForceDictType(hv_params, constants.HVS_PARAMETER_TYPES)
+
+ beparams = opts.beparams
+ utils.ForceDictType(beparams, constants.BES_PARAMETER_TYPES)
+
+ nicparams = opts.nicparams
+ utils.ForceDictType(nicparams, constants.NICS_PARAMETER_TYPES)
+
+
+ mnh = opts.maintain_node_health
+
+ uid_pool = opts.uid_pool
+ if uid_pool is not None:
+ uid_pool = uidpool.ParseUidPool(uid_pool)
+
+ add_uids = opts.add_uids
+ if add_uids is not None:
+ add_uids = uidpool.ParseUidPool(add_uids)
+
+ remove_uids = opts.remove_uids
+ if remove_uids is not None:
+ remove_uids = uidpool.ParseUidPool(remove_uids)
+
+ if opts.reserved_lvs is not None:
+ if opts.reserved_lvs == "":
+ opts.reserved_lvs = []
+ else:
+ opts.reserved_lvs = utils.UnescapeAndSplit(opts.reserved_lvs, sep=",")
+
+ op = opcodes.OpSetClusterParams(vg_name=vg_name,
+ drbd_helper=drbd_helper,
+ enabled_hypervisors=hvlist,
+ hvparams=hvparams,
+ os_hvp=None,
+ beparams=beparams,
+ nicparams=nicparams,
+ candidate_pool_size=opts.candidate_pool_size,
+ maintain_node_health=mnh,
+ uid_pool=uid_pool,
+ add_uids=add_uids,
+ remove_uids=remove_uids,
+ default_iallocator=opts.default_iallocator,
+ reserved_lvs=opts.reserved_lvs)
+ SubmitOpCode(op, opts=opts)
+ return 0
+
+
+def QueueOps(opts, args):
+ """Queue operations.
+
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: should contain only one element, the subcommand
+ @rtype: int
+ @return: the desired exit code
+
"""
- op = opcodes.OpMasterFailover()
- SubmitOpCode(op)
+ command = args[0]
+ client = GetClient()
+ if command in ("drain", "undrain"):
+ drain_flag = command == "drain"
+ client.SetQueueDrainFlag(drain_flag)
+ elif command == "info":
+ result = client.QueryConfigValues(["drain_flag"])
+ if result[0]:
+ val = "set"
+ else:
+ val = "unset"
+ ToStdout("The drain flag is %s" % val)
+ else:
+ raise errors.OpPrereqError("Command '%s' is not valid." % command,
+ errors.ECODE_INVAL)
+ return 0
+
+
+def _ShowWatcherPause(until):
+ if until is None or until < time.time():
+ ToStdout("The watcher is not paused.")
+ else:
+ ToStdout("The watcher is paused until %s.", time.ctime(until))
+
+
+def WatcherOps(opts, args):
+ """Watcher operations.
+
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: should contain only one element, the subcommand
+ @rtype: int
+ @return: the desired exit code
+
+ """
+ command = args[0]
+ client = GetClient()
+
+ if command == "continue":
+ client.SetWatcherPause(None)
+ ToStdout("The watcher is no longer paused.")
+
+ elif command == "pause":
+ if len(args) < 2:
+ raise errors.OpPrereqError("Missing pause duration", errors.ECODE_INVAL)
+
+ result = client.SetWatcherPause(time.time() + ParseTimespec(args[1]))
+ _ShowWatcherPause(result)
+
+ elif command == "info":
+ result = client.QueryConfigValues(["watcher_pause"])
+ _ShowWatcherPause(result[0])
+
+ else:
+ raise errors.OpPrereqError("Command '%s' is not valid." % command,
+ errors.ECODE_INVAL)
+
+ return 0
-# this is an option common to more than one command, so we declare
-# it here and reuse it
-node_option = make_option("-n", "--node", action="append", dest="nodes",
- help="Node to copy to (if not given, all nodes)"
- ", can be given multiple times", metavar="<node>",
- default=[])
commands = {
- 'init': (InitCluster, ARGS_ONE,
- [DEBUG_OPT,
- make_option("-s", "--secondary-ip", dest="secondary_ip",
- help="Specify the secondary ip for this node;"
- " if given, the entire cluster must have secondary"
- " addresses",
- metavar="ADDRESS", default=None),
- make_option("-t", "--hypervisor-type", dest="hypervisor_type",
- help="Specify the hypervisor type (xen-3.0, fake)",
- metavar="TYPE", choices=["xen-3.0", "fake"],
- default="xen-3.0",),
- make_option("-m", "--mac-prefix", dest="mac_prefix",
- help="Specify the mac prefix for the instance IP"
- " addresses, in the format XX:XX:XX",
- metavar="PREFIX",
- default="aa:00:00",),
- make_option("-g", "--vg-name", dest="vg_name",
- help="Specify the volume group name "
- " (cluster-wide) for disk allocation [xenvg]",
- metavar="VG",
- default="xenvg",),
- make_option("-b", "--bridge", dest="def_bridge",
- help="Specify the default bridge name (cluster-wide)"
- " to connect the instances to [%s]" %
- constants.DEFAULT_BRIDGE,
- metavar="BRIDGE",
- default=constants.DEFAULT_BRIDGE,),
- make_option("--master-netdev", dest="master_netdev",
- help="Specify the node interface (cluster-wide)"
- " on which the master IP address will be added "
- " [%s]" % constants.DEFAULT_BRIDGE,
- metavar="NETDEV",
- default=constants.DEFAULT_BRIDGE,),
- ],
- "[opts...] <cluster_name>",
- "Initialises a new cluster configuration"),
- 'destroy': (DestroyCluster, ARGS_NONE,
- [DEBUG_OPT,
- make_option("--yes-do-it", dest="yes_do_it",
- help="Destroy cluster",
- action="store_true"),
- ],
- "", "Destroy cluster"),
- 'rename': (RenameCluster, ARGS_ONE, [DEBUG_OPT, FORCE_OPT],
- "<new_name>",
- "Renames the cluster"),
- 'verify': (VerifyCluster, ARGS_NONE, [DEBUG_OPT],
- "", "Does a check on the cluster configuration"),
- 'masterfailover': (MasterFailover, ARGS_NONE, [DEBUG_OPT],
- "", "Makes the current node the master"),
- 'version': (ShowClusterVersion, ARGS_NONE, [DEBUG_OPT],
- "", "Shows the cluster version"),
- 'getmaster': (ShowClusterMaster, ARGS_NONE, [DEBUG_OPT],
- "", "Shows the cluster master"),
- 'copyfile': (ClusterCopyFile, ARGS_ONE, [DEBUG_OPT, node_option],
- "[-n node...] <filename>",
- "Copies a file to all (or only some) nodes"),
- 'command': (RunClusterCommand, ARGS_ATLEAST(1), [DEBUG_OPT, node_option],
- "[-n node...] <command>",
- "Runs a command on all (or only some) nodes"),
- 'info': (ShowClusterConfig, ARGS_NONE, [DEBUG_OPT],
- "", "Show cluster configuration"),
+ 'init': (
+ InitCluster, [ArgHost(min=1, max=1)],
+ [BACKEND_OPT, CP_SIZE_OPT, ENABLED_HV_OPT, GLOBAL_FILEDIR_OPT,
+ HVLIST_OPT, MAC_PREFIX_OPT, MASTER_NETDEV_OPT, NIC_PARAMS_OPT,
+ NOLVM_STORAGE_OPT, NOMODIFY_ETCHOSTS_OPT, NOMODIFY_SSH_SETUP_OPT,
+ SECONDARY_IP_OPT, VG_NAME_OPT, MAINTAIN_NODE_HEALTH_OPT,
+ UIDPOOL_OPT, DRBD_HELPER_OPT, NODRBD_STORAGE_OPT,
+ DEFAULT_IALLOCATOR_OPT, PRIMARY_IP_VERSION_OPT, PREALLOC_WIPE_DISKS_OPT],
+ "[opts...] <cluster_name>", "Initialises a new cluster configuration"),
+ 'destroy': (
+ DestroyCluster, ARGS_NONE, [YES_DOIT_OPT],
+ "", "Destroy cluster"),
+ 'rename': (
+ RenameCluster, [ArgHost(min=1, max=1)],
+ [FORCE_OPT, DRY_RUN_OPT],
+ "<new_name>",
+ "Renames the cluster"),
+ 'redist-conf': (
+ RedistributeConfig, ARGS_NONE, [SUBMIT_OPT, DRY_RUN_OPT, PRIORITY_OPT],
+ "", "Forces a push of the configuration file and ssconf files"
+ " to the nodes in the cluster"),
+ 'verify': (
+ VerifyCluster, ARGS_NONE,
+ [VERBOSE_OPT, DEBUG_SIMERR_OPT, ERROR_CODES_OPT, NONPLUS1_OPT,
+ DRY_RUN_OPT, PRIORITY_OPT],
+ "", "Does a check on the cluster configuration"),
+ 'verify-disks': (
+ VerifyDisks, ARGS_NONE, [PRIORITY_OPT],
+ "", "Does a check on the cluster disk status"),
+ 'repair-disk-sizes': (
+ RepairDiskSizes, ARGS_MANY_INSTANCES, [DRY_RUN_OPT, PRIORITY_OPT],
+ "", "Updates mismatches in recorded disk sizes"),
+ 'master-failover': (
+ MasterFailover, ARGS_NONE, [NOVOTING_OPT],
+ "", "Makes the current node the master"),
+ 'master-ping': (
+ MasterPing, ARGS_NONE, [],
+ "", "Checks if the master is alive"),
+ 'version': (
+ ShowClusterVersion, ARGS_NONE, [],
+ "", "Shows the cluster version"),
+ 'getmaster': (
+ ShowClusterMaster, ARGS_NONE, [],
+ "", "Shows the cluster master"),
+ 'copyfile': (
+ ClusterCopyFile, [ArgFile(min=1, max=1)],
+ [NODE_LIST_OPT, USE_REPL_NET_OPT],
+ "[-n node...] <filename>", "Copies a file to all (or only some) nodes"),
+ 'command': (
+ RunClusterCommand, [ArgCommand(min=1)],
+ [NODE_LIST_OPT],
+ "[-n node...] <command>", "Runs a command on all (or only some) nodes"),
+ 'info': (
+ ShowClusterConfig, ARGS_NONE, [ROMAN_OPT],
+ "[--roman]", "Show cluster configuration"),
+ 'list-tags': (
+ ListTags, ARGS_NONE, [], "", "List the tags of the cluster"),
+ 'add-tags': (
+ AddTags, [ArgUnknown()], [TAG_SRC_OPT, PRIORITY_OPT],
+ "tag...", "Add tags to the cluster"),
+ 'remove-tags': (
+ RemoveTags, [ArgUnknown()], [TAG_SRC_OPT, PRIORITY_OPT],
+ "tag...", "Remove tags from the cluster"),
+ 'search-tags': (
+ SearchTags, [ArgUnknown(min=1, max=1)], [PRIORITY_OPT], "",
+ "Searches the tags on all objects on"
+ " the cluster for a given pattern (regex)"),
+ 'queue': (
+ QueueOps,
+ [ArgChoice(min=1, max=1, choices=["drain", "undrain", "info"])],
+ [], "drain|undrain|info", "Change queue properties"),
+ 'watcher': (
+ WatcherOps,
+ [ArgChoice(min=1, max=1, choices=["pause", "continue", "info"]),
+ ArgSuggest(min=0, max=1, choices=["30m", "1h", "4h"])],
+ [],
+ "{pause <timespec>|continue|info}", "Change watcher properties"),
+ 'modify': (
+ SetClusterParams, ARGS_NONE,
+ [BACKEND_OPT, CP_SIZE_OPT, ENABLED_HV_OPT, HVLIST_OPT,
+ NIC_PARAMS_OPT, NOLVM_STORAGE_OPT, VG_NAME_OPT, MAINTAIN_NODE_HEALTH_OPT,
+ UIDPOOL_OPT, ADD_UIDS_OPT, REMOVE_UIDS_OPT, DRBD_HELPER_OPT,
+ NODRBD_STORAGE_OPT, DEFAULT_IALLOCATOR_OPT, RESERVED_LVS_OPT,
+ DRY_RUN_OPT, PRIORITY_OPT],
+ "[opts...]",
+ "Alters the parameters of the cluster"),
+ "renew-crypto": (
+ RenewCrypto, ARGS_NONE,
+ [NEW_CLUSTER_CERT_OPT, NEW_RAPI_CERT_OPT, RAPI_CERT_OPT,
+ NEW_CONFD_HMAC_KEY_OPT, FORCE_OPT,
+ NEW_CLUSTER_DOMAIN_SECRET_OPT, CLUSTER_DOMAIN_SECRET_OPT],
+ "[opts...]",
+ "Renews cluster certificates, keys and secrets"),
}
+
+#: dictionary with aliases for commands
+aliases = {
+ 'masterfailover': 'master-failover',
+}
+
+
if __name__ == '__main__':
- sys.exit(GenericMain(commands))
+ sys.exit(GenericMain(commands, override={"tag_type": constants.TAG_CLUSTER},
+ aliases=aliases))
projects / ganeti-local / blobdiff