#
#
-# Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Google Inc.
+# Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 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
"""Node related commands"""
-# pylint: disable-msg=W0401,W0613,W0614,C0103
+# pylint: disable=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 itertools
+import errno
+
from ganeti.cli import *
from ganeti import cli
from ganeti import bootstrap
from ganeti import constants
from ganeti import errors
from ganeti import netutils
-from cStringIO import StringIO
+from ganeti import pathutils
+from ganeti import ssh
+from ganeti import compat
+from ganeti import confd
+from ganeti.confd import client as confd_client
#: default list of field for L{ListNodes}
_LIST_DEF_FIELDS = [
_MODIFIABLE_STORAGE_TYPES = constants.MODIFIABLE_STORAGE_FIELDS.keys()
+_OOB_COMMAND_ASK = compat.UniqueFrozenset([
+ constants.OOB_POWER_OFF,
+ constants.OOB_POWER_CYCLE,
+ ])
+
+_ENV_OVERRIDE = compat.UniqueFrozenset(["list"])
NONODE_SETUP_OPT = cli_option("--no-node-setup", default=True,
action="store_false", dest="node_setup",
help=("Do not make initial SSH setup on remote"
" node (needs to be done manually)"))
+IGNORE_STATUS_OPT = cli_option("--ignore-status", default=False,
+ action="store_true", dest="ignore_status",
+ help=("Ignore the Node(s) offline status"
+ " (potentially DANGEROUS)"))
+
+OVS_OPT = cli_option("--ovs", default=False, action="store_true", dest="ovs",
+ help=("Enable OpenvSwitch on the new node. This will"
+ " initialize OpenvSwitch during gnt-node add"))
+
+OVS_NAME_OPT = cli_option("--ovs-name", action="store", dest="ovs_name",
+ type="string", default=None,
+ help=("Set name of OpenvSwitch to connect instances"))
+
+OVS_LINK_OPT = cli_option("--ovs-link", action="store", dest="ovs_link",
+ type="string", default=None,
+ help=("Physical trunk interface for OpenvSwitch"))
+
def ConvertStorageType(user_storage_type):
"""Converts a user storage type to its internal name.
errors.ECODE_INVAL)
-def _RunSetupSSH(options, nodes):
- """Wrapper around utils.RunCmd to call setup-ssh
+def _TryReadFile(path):
+ """Tries to read a file.
+
+ If the file is not found, C{None} is returned.
+
+ @type path: string
+ @param path: Filename
+ @rtype: None or string
+ @todo: Consider adding a generic ENOENT wrapper
+
+ """
+ try:
+ return utils.ReadFile(path)
+ except EnvironmentError, err:
+ if err.errno == errno.ENOENT:
+ return None
+ else:
+ raise
+
+
+def _ReadSshKeys(keyfiles, _tostderr_fn=ToStderr):
+ """Reads SSH keys according to C{keyfiles}.
- @param options: The command line options
- @param nodes: The nodes to setup
+ @type keyfiles: dict
+ @param keyfiles: Dictionary with keys of L{constants.SSHK_ALL} and two-values
+ tuples (private and public key file)
+ @rtype: list
+ @return: List of three-values tuples (L{constants.SSHK_ALL}, private and
+ public key as strings)
"""
- cmd = [constants.SETUP_SSH]
+ result = []
+
+ for (kind, (private_file, public_file)) in keyfiles.items():
+ private_key = _TryReadFile(private_file)
+ public_key = _TryReadFile(public_file)
+
+ if public_key and private_key:
+ result.append((kind, private_key, public_key))
+ elif public_key or private_key:
+ _tostderr_fn("Couldn't find a complete set of keys for kind '%s'; files"
+ " '%s' and '%s'", kind, private_file, public_file)
+
+ return result
+
+
+def _SetupSSH(options, cluster_name, node):
+ """Configures a destination node's SSH daemon.
+
+ @param options: Command line options
+ @type cluster_name
+ @param cluster_name: Cluster name
+ @type node: string
+ @param node: Destination node name
+
+ """
+ if options.force_join:
+ ToStderr("The \"--force-join\" option is no longer supported and will be"
+ " ignored.")
+
+ host_keys = _ReadSshKeys(constants.SSH_DAEMON_KEYFILES)
- # Pass --debug|--verbose to the external script if set on our invocation
- # --debug overrides --verbose
- if options.debug:
- cmd.append("--debug")
- elif options.verbose:
- cmd.append("--verbose")
- if not options.ssh_key_check:
- cmd.append("--no-ssh-key-check")
+ (_, root_keyfiles) = \
+ ssh.GetAllUserFiles(constants.SSH_LOGIN_USER, mkdir=False, dircheck=False)
- cmd.extend(nodes)
+ root_keys = _ReadSshKeys(root_keyfiles)
- result = utils.RunCmd(cmd, interactive=True)
+ (_, cert_pem) = \
+ utils.ExtractX509Certificate(utils.ReadFile(pathutils.NODED_CERT_FILE))
- if result.failed:
- errmsg = ("Command '%s' failed with exit code %s; output %r" %
- (result.cmd, result.exit_code, result.output))
- raise errors.OpExecError(errmsg)
+ data = {
+ constants.SSHS_CLUSTER_NAME: cluster_name,
+ constants.SSHS_NODE_DAEMON_CERTIFICATE: cert_pem,
+ constants.SSHS_SSH_HOST_KEY: host_keys,
+ constants.SSHS_SSH_ROOT_KEY: root_keys,
+ }
+
+ bootstrap.RunNodeSetupCmd(cluster_name, node, pathutils.PREPARE_NODE_JOIN,
+ options.debug, options.verbose, False,
+ options.ssh_key_check, options.ssh_key_check, data)
@UsesRPC
readd = opts.readd
try:
- output = cl.QueryNodes(names=[node], fields=['name', 'sip'],
+ output = cl.QueryNodes(names=[node], fields=["name", "sip", "master"],
use_locking=False)
- node_exists, sip = output[0]
+ node_exists, sip, is_master = output[0]
except (errors.OpPrereqError, errors.OpExecError):
node_exists = ""
sip = None
ToStderr("Node %s not in the cluster"
" - please retry without '--readd'", node)
return 1
+ if is_master:
+ ToStderr("Node %s is the master, cannot readd", node)
+ return 1
else:
if node_exists:
ToStderr("Node %s already in the cluster (as %s)"
sip = opts.secondary_ip
# read the cluster name from the master
- output = cl.QueryConfigValues(['cluster_name'])
- cluster_name = output[0]
+ (cluster_name, ) = cl.QueryConfigValues(["cluster_name"])
if not readd and opts.node_setup:
ToStderr("-- WARNING -- \n"
"and grant full intra-cluster ssh root access to/from it\n", node)
if opts.node_setup:
- _RunSetupSSH(opts, [node])
+ _SetupSSH(opts, cluster_name, node)
+
+ bootstrap.SetupNodeDaemon(opts, cluster_name, node)
- bootstrap.SetupNodeDaemon(cluster_name, node, opts.ssh_key_check)
+ if opts.disk_state:
+ disk_state = utils.FlatToDict(opts.disk_state)
+ else:
+ disk_state = {}
+
+ hv_state = dict(opts.hv_state)
+
+ if not opts.ndparams:
+ ndparams = {constants.ND_OVS: opts.ovs,
+ constants.ND_OVS_NAME: opts.ovs_name,
+ constants.ND_OVS_LINK: opts.ovs_link}
+ else:
+ ndparams = opts.ndparams
+ ndparams[constants.ND_OVS] = opts.ovs
+ ndparams[constants.ND_OVS_NAME] = opts.ovs_name
+ ndparams[constants.ND_OVS_LINK] = opts.ovs_link
op = opcodes.OpNodeAdd(node_name=args[0], secondary_ip=sip,
readd=opts.readd, group=opts.nodegroup,
- vm_capable=opts.vm_capable, ndparams=opts.ndparams,
- master_capable=opts.master_capable)
+ vm_capable=opts.vm_capable, ndparams=ndparams,
+ master_capable=opts.master_capable,
+ disk_state=disk_state,
+ hv_state=hv_state)
SubmitOpCode(op, opts=opts)
fmtoverride = dict.fromkeys(["pinst_list", "sinst_list", "tags"],
(",".join, False))
+ cl = GetClient(query=True)
+
return GenericList(constants.QR_NODE, selected_fields, args, opts.units,
opts.separator, not opts.no_headers,
- format_override=fmtoverride)
+ format_override=fmtoverride, verbose=opts.verbose,
+ force_filter=opts.force_filter, cl=cl)
def ListNodeFields(opts, args):
@return: the desired exit code
"""
+ cl = GetClient(query=True)
+
return GenericListFields(constants.QR_NODE, args, opts.separator,
- not opts.no_headers)
+ not opts.no_headers, cl=cl)
def EvacuateNode(opts, args):
@return: the desired exit code
"""
+ if opts.dst_node is not None:
+ ToStderr("New secondary node given (disabling iallocator), hence evacuating"
+ " secondary instances only.")
+ opts.secondary_only = True
+ opts.primary_only = False
+
+ if opts.secondary_only and opts.primary_only:
+ raise errors.OpPrereqError("Only one of the --primary-only and"
+ " --secondary-only options can be passed",
+ errors.ECODE_INVAL)
+ elif opts.primary_only:
+ mode = constants.NODE_EVAC_PRI
+ elif opts.secondary_only:
+ mode = constants.NODE_EVAC_SEC
+ else:
+ mode = constants.NODE_EVAC_ALL
+
+ # Determine affected instances
+ fields = []
+
+ if not opts.secondary_only:
+ fields.append("pinst_list")
+ if not opts.primary_only:
+ fields.append("sinst_list")
+
cl = GetClient()
- force = opts.force
- dst_node = opts.dst_node
- iallocator = opts.iallocator
+ qcl = GetClient(query=True)
+ result = qcl.QueryNodes(names=args, fields=fields, use_locking=False)
+ qcl.Close()
- op = opcodes.OpNodeEvacStrategy(nodes=args,
- iallocator=iallocator,
- remote_node=dst_node)
+ instances = set(itertools.chain(*itertools.chain(*itertools.chain(result))))
- result = SubmitOpCode(op, cl=cl, opts=opts)
- if not result:
- # no instances to migrate
- ToStderr("No secondary instances on node(s) %s, exiting.",
+ if not instances:
+ # No instances to evacuate
+ ToStderr("No instances to evacuate 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))):
+ if not (opts.force or
+ AskUser("Relocate instance(s) %s from node(s) %s?" %
+ (utils.CommaJoin(utils.NiceSort(instances)),
+ utils.CommaJoin(args)))):
return constants.EXIT_CONFIRMATION
+ # Evacuate node
+ op = opcodes.OpNodeEvacuate(node_name=args[0], mode=mode,
+ remote_node=opts.dst_node,
+ iallocator=opts.iallocator,
+ early_release=opts.early_release)
+ result = SubmitOrSend(op, opts, cl=cl)
+
+ # Keep track of submitted jobs
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.OpInstanceReplaceDisks(instance_name=iname,
- remote_node=node, disks=[],
- mode=constants.REPLACE_DISK_CHG,
- early_release=opts.early_release)
- jex.QueueJob(iname, op)
+
+ for (status, job_id) in result[constants.JOB_IDS_KEY]:
+ jex.AddJobId(None, status, job_id)
+
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))
+ ToStdout("All instances evacuated successfully.")
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))
+ ToStdout("There were %s errors during the evacuation.", bad_cnt)
rcode = constants.EXIT_FAILURE
+
return rcode
# these fields are static data anyway, so it doesn't matter, but
# locking=True should be safer
+ qcl = GetClient(query=True)
result = cl.QueryNodes(names=args, fields=selected_fields,
use_locking=False)
+ qcl.Close()
node, pinst = result[0]
if not pinst:
jex = JobExecutor(cl=cl, opts=opts)
for iname in pinst:
op = opcodes.OpInstanceFailover(instance_name=iname,
- ignore_consistency=opts.ignore_consistency)
+ ignore_consistency=opts.ignore_consistency,
+ iallocator=opts.iallocator)
jex.QueueJob(iname, op)
results = jex.GetResults()
bad_cnt = len([row for row in results if not row[0]])
force = opts.force
selected_fields = ["name", "pinst_list"]
+ qcl = GetClient(query=True)
result = cl.QueryNodes(names=args, fields=selected_fields, use_locking=False)
- node, pinst = result[0]
+ qcl.Close()
+ ((node, pinst), ) = result
if not pinst:
ToStdout("No primary instances on node %s, exiting." % node)
pinst = utils.NiceSort(pinst)
- if not force and not AskUser("Migrate instance(s) %s?" %
- (",".join("'%s'" % name for name in pinst))):
- return 2
+ if not (force or
+ AskUser("Migrate instance(s) %s?" %
+ utils.CommaJoin(utils.NiceSort(pinst)))):
+ return constants.EXIT_CONFIRMATION
# this should be removed once --non-live is deprecated
if not opts.live and opts.migration_mode is not None:
mode = constants.HT_MIGRATION_NONLIVE
else:
mode = opts.migration_mode
- op = opcodes.OpNodeMigrate(node_name=args[0], mode=mode)
- SubmitOpCode(op, cl=cl, opts=opts)
+
+ op = opcodes.OpNodeMigrate(node_name=args[0], mode=mode,
+ iallocator=opts.iallocator,
+ target_node=opts.dst_node,
+ allow_runtime_changes=opts.allow_runtime_chgs,
+ ignore_ipolicy=opts.ignore_ipolicy)
+
+ result = SubmitOrSend(op, opts, cl=cl)
+
+ # Keep track of submitted jobs
+ jex = JobExecutor(cl=cl, opts=opts)
+
+ for (status, job_id) in result[constants.JOB_IDS_KEY]:
+ jex.AddJobId(None, status, job_id)
+
+ results = jex.GetResults()
+ bad_cnt = len([row for row in results if not row[0]])
+ if bad_cnt == 0:
+ ToStdout("All instances migrated successfully.")
+ rcode = constants.EXIT_SUCCESS
+ else:
+ ToStdout("There were %s errors during the node migration.", bad_cnt)
+ rcode = constants.EXIT_FAILURE
+
+ return rcode
+
+
+def _FormatNodeInfo(node_info):
+ """Format node information for L{cli.PrintGenericInfo()}.
+
+ """
+ (name, primary_ip, secondary_ip, pinst, sinst, is_mc, drained, offline,
+ master_capable, vm_capable, powered, ndparams, ndparams_custom) = node_info
+ info = [
+ ("Node name", name),
+ ("primary ip", primary_ip),
+ ("secondary ip", secondary_ip),
+ ("master candidate", is_mc),
+ ("drained", drained),
+ ("offline", offline),
+ ]
+ if powered is not None:
+ info.append(("powered", powered))
+ info.extend([
+ ("master_capable", master_capable),
+ ("vm_capable", vm_capable),
+ ])
+ if vm_capable:
+ info.extend([
+ ("primary for instances",
+ [iname for iname in utils.NiceSort(pinst)]),
+ ("secondary for instances",
+ [iname for iname in utils.NiceSort(sinst)]),
+ ])
+ info.append(("node parameters",
+ FormatParamsDictInfo(ndparams_custom, ndparams)))
+ return info
def ShowNodeConfig(opts, args):
@return: the desired exit code
"""
- cl = GetClient()
+ cl = GetClient(query=True)
result = cl.QueryNodes(fields=["name", "pip", "sip",
"pinst_list", "sinst_list",
"master_candidate", "drained", "offline",
"master_capable", "vm_capable", "powered",
"ndparams", "custom_ndparams"],
names=args, use_locking=False)
-
- for (name, primary_ip, secondary_ip, pinst, sinst, is_mc, drained, offline,
- master_capable, vm_capable, powered, ndparams,
- ndparams_custom) 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 powered is not None:
- ToStdout(" powered: %s", powered)
- ToStdout(" master_capable: %s", master_capable)
- ToStdout(" vm_capable: %s", vm_capable)
- if vm_capable:
- if pinst:
- ToStdout(" primary for instances:")
- for iname in utils.NiceSort(pinst):
- ToStdout(" - %s", iname)
- else:
- ToStdout(" primary for no instances")
- if sinst:
- ToStdout(" secondary for instances:")
- for iname in utils.NiceSort(sinst):
- ToStdout(" - %s", iname)
- else:
- ToStdout(" secondary for no instances")
- ToStdout(" node parameters:")
- buf = StringIO()
- FormatParameterDict(buf, ndparams_custom, ndparams, level=2)
- ToStdout(buf.getvalue().rstrip("\n"))
-
+ PrintGenericInfo([
+ _FormatNodeInfo(node_info)
+ for node_info in result
+ ])
return 0
return 2
op = opcodes.OpNodePowercycle(node_name=node, force=opts.force)
- result = SubmitOpCode(op, opts=opts)
+ result = SubmitOrSend(op, opts)
if result:
ToStderr(result)
return 0
@return: the desired exit code
"""
- command = args[0]
- node = args[1]
+ command = args.pop(0)
+
+ if opts.no_headers:
+ headers = None
+ else:
+ headers = {"node": "Node", "status": "Status"}
if command not in _LIST_POWER_COMMANDS:
ToStderr("power subcommand %s not supported." % command)
oob_command = "power-%s" % command
- opcodelist = []
- if oob_command == constants.OOB_POWER_OFF:
- opcodelist.append(opcodes.OpNodeSetParams(node_name=node, offline=True,
- auto_promote=opts.auto_promote))
+ if oob_command in _OOB_COMMAND_ASK:
+ if not args:
+ ToStderr("Please provide at least one node for this command")
+ return constants.EXIT_FAILURE
+ elif not opts.force and not ConfirmOperation(args, "nodes",
+ "power %s" % command):
+ return constants.EXIT_FAILURE
+ assert len(args) > 0
- opcodelist.append(opcodes.OpOobCommand(node_name=node, command=oob_command))
+ opcodelist = []
+ if not opts.ignore_status and oob_command == constants.OOB_POWER_OFF:
+ # TODO: This is a little ugly as we can't catch and revert
+ for node in args:
+ opcodelist.append(opcodes.OpNodeSetParams(node_name=node, offline=True,
+ auto_promote=opts.auto_promote))
+
+ opcodelist.append(opcodes.OpOobCommand(node_names=args,
+ command=oob_command,
+ ignore_status=opts.ignore_status,
+ timeout=opts.oob_timeout,
+ power_delay=opts.power_delay))
cli.SetGenericOpcodeOpts(opcodelist, opts)
# If it fails PollJob gives us the error message in it
result = cli.PollJob(job_id)[-1]
- if result:
- if oob_command == constants.OOB_POWER_STATUS:
- text = "The machine is %spowered"
- if result[constants.OOB_POWER_STATUS_POWERED]:
- result = text % ""
+ errs = 0
+ data = []
+ for node_result in result:
+ (node_tuple, data_tuple) = node_result
+ (_, node_name) = node_tuple
+ (data_status, data_node) = data_tuple
+ if data_status == constants.RS_NORMAL:
+ if oob_command == constants.OOB_POWER_STATUS:
+ if data_node[constants.OOB_POWER_STATUS_POWERED]:
+ text = "powered"
+ else:
+ text = "unpowered"
+ data.append([node_name, text])
else:
- result = text % "not "
- ToStderr(result)
+ # We don't expect data here, so we just say, it was successfully invoked
+ data.append([node_name, "invoked"])
+ else:
+ errs += 1
+ data.append([node_name, cli.FormatResultError(data_status, True)])
- return constants.EXIT_SUCCESS
+ data = GenerateTable(separator=opts.separator, headers=headers,
+ fields=["node", "status"], data=data)
+
+ for line in data:
+ ToStdout(line)
+
+ if errs:
+ return constants.EXIT_FAILURE
+ else:
+ return constants.EXIT_SUCCESS
+
+
+def Health(opts, args):
+ """Show health of a node using OOB.
+
+ @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.OpOobCommand(node_names=args, command=constants.OOB_HEALTH,
+ timeout=opts.oob_timeout)
+ result = SubmitOpCode(op, opts=opts)
+
+ if opts.no_headers:
+ headers = None
+ else:
+ headers = {"node": "Node", "status": "Status"}
+
+ errs = 0
+ data = []
+ for node_result in result:
+ (node_tuple, data_tuple) = node_result
+ (_, node_name) = node_tuple
+ (data_status, data_node) = data_tuple
+ if data_status == constants.RS_NORMAL:
+ data.append([node_name, "%s=%s" % tuple(data_node[0])])
+ for item, status in data_node[1:]:
+ data.append(["", "%s=%s" % (item, status)])
+ else:
+ errs += 1
+ data.append([node_name, cli.FormatResultError(data_status, True)])
+
+ data = GenerateTable(separator=opts.separator, headers=headers,
+ fields=["node", "status"], data=data)
+
+ for line in data:
+ ToStdout(line)
+
+ if errs:
+ return constants.EXIT_FAILURE
+ else:
+ return constants.EXIT_SUCCESS
def ListVolumes(opts, args):
storage_type=storage_type,
name=volume_name,
changes=changes)
- SubmitOpCode(op, opts=opts)
+ SubmitOrSend(op, opts)
else:
ToStderr("No changes to perform, exiting.")
storage_type=storage_type,
name=volume_name,
ignore_consistency=opts.ignore_consistency)
- SubmitOpCode(op, opts=opts)
+ SubmitOrSend(op, opts)
def SetNodeParams(opts, args):
all_changes = [opts.master_candidate, opts.drained, opts.offline,
opts.master_capable, opts.vm_capable, opts.secondary_ip,
opts.ndparams]
- if all_changes.count(None) == len(all_changes):
+ if (all_changes.count(None) == len(all_changes) and
+ not (opts.hv_state or opts.disk_state)):
ToStderr("Please give at least one of the parameters.")
return 1
+ if opts.disk_state:
+ disk_state = utils.FlatToDict(opts.disk_state)
+ else:
+ disk_state = {}
+
+ hv_state = dict(opts.hv_state)
+
op = opcodes.OpNodeSetParams(node_name=args[0],
master_candidate=opts.master_candidate,
offline=opts.offline,
force=opts.force,
ndparams=opts.ndparams,
auto_promote=opts.auto_promote,
- powered=opts.node_powered)
+ powered=opts.node_powered,
+ hv_state=hv_state,
+ disk_state=disk_state)
# even if here we process the result, we allow submit only
result = SubmitOrSend(op, opts)
return 0
+def RestrictedCommand(opts, args):
+ """Runs a remote command on node(s).
+
+ @param opts: Command line options selected by user
+ @type args: list
+ @param args: Command line arguments
+ @rtype: int
+ @return: Exit code
+
+ """
+ cl = GetClient()
+
+ if len(args) > 1 or opts.nodegroup:
+ # Expand node names
+ nodes = GetOnlineNodes(nodes=args[1:], cl=cl, nodegroup=opts.nodegroup)
+ else:
+ raise errors.OpPrereqError("Node group or node names must be given",
+ errors.ECODE_INVAL)
+
+ op = opcodes.OpRestrictedCommand(command=args[0], nodes=nodes,
+ use_locking=opts.do_locking)
+ result = SubmitOrSend(op, opts, cl=cl)
+
+ exit_code = constants.EXIT_SUCCESS
+
+ for (node, (status, text)) in zip(nodes, result):
+ ToStdout("------------------------------------------------")
+ if status:
+ if opts.show_machine_names:
+ for line in text.splitlines():
+ ToStdout("%s: %s", node, line)
+ else:
+ ToStdout("Node: %s", node)
+ ToStdout(text)
+ else:
+ exit_code = constants.EXIT_FAILURE
+ ToStdout(text)
+
+ return exit_code
+
+
+class ReplyStatus(object):
+ """Class holding a reply status for synchronous confd clients.
+
+ """
+ def __init__(self):
+ self.failure = True
+ self.answer = False
+
+
+def ListDrbd(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 len(args) != 1:
+ ToStderr("Please give one (and only one) node.")
+ return constants.EXIT_FAILURE
+
+ if not constants.ENABLE_CONFD:
+ ToStderr("Error: this command requires confd support, but it has not"
+ " been enabled at build time.")
+ return constants.EXIT_FAILURE
+
+ status = ReplyStatus()
+
+ def ListDrbdConfdCallback(reply):
+ """Callback for confd queries"""
+ if reply.type == confd_client.UPCALL_REPLY:
+ answer = reply.server_reply.answer
+ reqtype = reply.orig_request.type
+ if reqtype == constants.CONFD_REQ_NODE_DRBD:
+ if reply.server_reply.status != constants.CONFD_REPL_STATUS_OK:
+ ToStderr("Query gave non-ok status '%s': %s" %
+ (reply.server_reply.status,
+ reply.server_reply.answer))
+ status.failure = True
+ return
+ if not confd.HTNodeDrbd(answer):
+ ToStderr("Invalid response from server: expected %s, got %s",
+ confd.HTNodeDrbd, answer)
+ status.failure = True
+ else:
+ status.failure = False
+ status.answer = answer
+ else:
+ ToStderr("Unexpected reply %s!?", reqtype)
+ status.failure = True
+
+ node = args[0]
+ hmac = utils.ReadFile(pathutils.CONFD_HMAC_KEY)
+ filter_callback = confd_client.ConfdFilterCallback(ListDrbdConfdCallback)
+ counting_callback = confd_client.ConfdCountingCallback(filter_callback)
+ cf_client = confd_client.ConfdClient(hmac, [constants.IP4_ADDRESS_LOCALHOST],
+ counting_callback)
+ req = confd_client.ConfdClientRequest(type=constants.CONFD_REQ_NODE_DRBD,
+ query=node)
+
+ def DoConfdRequestReply(req):
+ counting_callback.RegisterQuery(req.rsalt)
+ cf_client.SendRequest(req, async=False)
+ while not counting_callback.AllAnswered():
+ if not cf_client.ReceiveReply():
+ ToStderr("Did not receive all expected confd replies")
+ break
+
+ DoConfdRequestReply(req)
+
+ if status.failure:
+ return constants.EXIT_FAILURE
+
+ fields = ["node", "minor", "instance", "disk", "role", "peer"]
+ if opts.no_headers:
+ headers = None
+ else:
+ headers = {"node": "Node", "minor": "Minor", "instance": "Instance",
+ "disk": "Disk", "role": "Role", "peer": "PeerNode"}
+
+ data = GenerateTable(separator=opts.separator, headers=headers,
+ fields=fields, data=sorted(status.answer),
+ numfields=["minor"])
+ for line in data:
+ ToStdout(line)
+
+ return constants.EXIT_SUCCESS
+
+
commands = {
- 'add': (
+ "add": (
AddNode, [ArgHost(min=1, max=1)],
- [SECONDARY_IP_OPT, READD_OPT, NOSSH_KEYCHECK_OPT, NONODE_SETUP_OPT,
- VERBOSE_OPT, NODEGROUP_OPT, PRIORITY_OPT, CAPAB_MASTER_OPT,
- CAPAB_VM_OPT, NODE_PARAMS_OPT],
- "[-s ip] [--readd] [--no-ssh-key-check] [--no-node-setup] [--verbose] "
- " <node_name>",
+ [SECONDARY_IP_OPT, READD_OPT, NOSSH_KEYCHECK_OPT, NODE_FORCE_JOIN_OPT,
+ NONODE_SETUP_OPT, VERBOSE_OPT, OVS_OPT, OVS_NAME_OPT, OVS_LINK_OPT,
+ NODEGROUP_OPT, PRIORITY_OPT, CAPAB_MASTER_OPT, CAPAB_VM_OPT,
+ NODE_PARAMS_OPT, HV_STATE_OPT, DISK_STATE_OPT],
+ "[-s ip] [--readd] [--no-ssh-key-check] [--force-join]"
+ " [--no-node-setup] [--verbose] [--network] [--ovs] [--ovs-name <vswitch>]"
+ " [--ovs-link <phys. if>] <node_name>",
"Add a node to the cluster"),
- 'evacuate': (
- EvacuateNode, [ArgNode(min=1)],
+ "evacuate": (
+ EvacuateNode, ARGS_ONE_NODE,
[FORCE_OPT, IALLOCATOR_OPT, NEW_SECONDARY_OPT, EARLY_RELEASE_OPT,
- PRIORITY_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, PRIORITY_OPT],
+ PRIORITY_OPT, PRIMARY_ONLY_OPT, SECONDARY_ONLY_OPT] + SUBMIT_OPTS,
+ "[-f] {-I <iallocator> | -n <dst>} [-p | -s] [options...] <node>",
+ "Relocate the primary and/or secondary instances from a node"),
+ "failover": (
+ FailoverNode, ARGS_ONE_NODE, [FORCE_OPT, IGNORE_CONSIST_OPT,
+ IALLOCATOR_OPT, PRIORITY_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': (
+ "migrate": (
MigrateNode, ARGS_ONE_NODE,
- [FORCE_OPT, NONLIVE_OPT, MIGRATION_MODE_OPT, PRIORITY_OPT],
+ [FORCE_OPT, NONLIVE_OPT, MIGRATION_MODE_OPT, DST_NODE_OPT,
+ IALLOCATOR_OPT, PRIORITY_OPT, IGNORE_IPOLICY_OPT,
+ NORUNTIME_CHGS_OPT] + SUBMIT_OPTS,
"[-f] <node>",
"Migrate all the primary instance on a node away from it"
" (only for instances of type drbd)"),
- 'info': (
+ "info": (
ShowNodeConfig, ARGS_MANY_NODES, [],
"[<node_name>...]", "Show information about the node(s)"),
- 'list': (
+ "list": (
ListNodes, ARGS_MANY_NODES,
- [NOHDR_OPT, SEP_OPT, USEUNITS_OPT, FIELDS_OPT],
+ [NOHDR_OPT, SEP_OPT, USEUNITS_OPT, FIELDS_OPT, VERBOSE_OPT,
+ FORCE_FILTER_OPT],
"[nodes...]",
"Lists the nodes in the cluster. The available fields can be shown using"
" the \"list-fields\" command (see the man page for details)."
[NOHDR_OPT, SEP_OPT],
"[fields...]",
"Lists all available fields for nodes"),
- 'modify': (
+ "modify": (
SetNodeParams, ARGS_ONE_NODE,
- [FORCE_OPT, SUBMIT_OPT, MC_OPT, DRAINED_OPT, OFFLINE_OPT,
+ [FORCE_OPT] + SUBMIT_OPTS +
+ [MC_OPT, DRAINED_OPT, OFFLINE_OPT,
CAPAB_MASTER_OPT, CAPAB_VM_OPT, SECONDARY_IP_OPT,
AUTO_PROMOTE_OPT, DRY_RUN_OPT, PRIORITY_OPT, NODE_PARAMS_OPT,
- NODE_POWERED_OPT],
+ NODE_POWERED_OPT, HV_STATE_OPT, DISK_STATE_OPT],
"<node_name>", "Alters the parameters of a node"),
- 'powercycle': (
+ "powercycle": (
PowercycleNode, ARGS_ONE_NODE,
- [FORCE_OPT, CONFIRM_OPT, DRY_RUN_OPT, PRIORITY_OPT],
+ [FORCE_OPT, CONFIRM_OPT, DRY_RUN_OPT, PRIORITY_OPT] + SUBMIT_OPTS,
"<node_name>", "Tries to forcefully powercycle a node"),
- 'power': (
+ "power": (
PowerNode,
[ArgChoice(min=1, max=1, choices=_LIST_POWER_COMMANDS),
- ArgNode(min=1, max=1)],
- [SUBMIT_OPT, AUTO_PROMOTE_OPT, PRIORITY_OPT],
- "on|off|cycle|status <node>",
+ ArgNode()],
+ SUBMIT_OPTS +
+ [AUTO_PROMOTE_OPT, PRIORITY_OPT,
+ IGNORE_STATUS_OPT, FORCE_OPT, NOHDR_OPT, SEP_OPT, OOB_TIMEOUT_OPT,
+ POWER_DELAY_OPT],
+ "on|off|cycle|status [nodes...]",
"Change power state of node by calling out-of-band helper."),
- 'remove': (
+ "remove": (
RemoveNode, ARGS_ONE_NODE, [DRY_RUN_OPT, PRIORITY_OPT],
"<node_name>", "Removes a node from the cluster"),
- 'volumes': (
+ "volumes": (
ListVolumes, [ArgNode()],
[NOHDR_OPT, SEP_OPT, USEUNITS_OPT, FIELDS_OPT, PRIORITY_OPT],
"[<node_name>...]", "List logical volumes on node(s)"),
- 'list-storage': (
+ "list-storage": (
ListStorage, ARGS_MANY_NODES,
[NOHDR_OPT, SEP_OPT, USEUNITS_OPT, FIELDS_OPT, _STORAGE_TYPE_OPT,
PRIORITY_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': (
+ "modify-storage": (
ModifyStorage,
[ArgNode(min=1, max=1),
ArgChoice(min=1, max=1, choices=_MODIFIABLE_STORAGE_TYPES),
ArgFile(min=1, max=1)],
- [ALLOCATABLE_OPT, DRY_RUN_OPT, PRIORITY_OPT],
+ [ALLOCATABLE_OPT, DRY_RUN_OPT, PRIORITY_OPT] + SUBMIT_OPTS,
"<node_name> <storage_type> <name>", "Modify storage volume on a node"),
- 'repair-storage': (
+ "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, DRY_RUN_OPT, PRIORITY_OPT],
+ [IGNORE_CONSIST_OPT, DRY_RUN_OPT, PRIORITY_OPT] + SUBMIT_OPTS,
"<node_name> <storage_type> <name>",
"Repairs a storage volume on a node"),
- 'list-tags': (
+ "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, PRIORITY_OPT],
+ "add-tags": (
+ AddTags, [ArgNode(min=1, max=1), ArgUnknown()],
+ [TAG_SRC_OPT, PRIORITY_OPT] + SUBMIT_OPTS,
"<node_name> tag...", "Add tags to the given node"),
- 'remove-tags': (
+ "remove-tags": (
RemoveTags, [ArgNode(min=1, max=1), ArgUnknown()],
- [TAG_SRC_OPT, PRIORITY_OPT],
+ [TAG_SRC_OPT, PRIORITY_OPT] + SUBMIT_OPTS,
"<node_name> tag...", "Remove tags from the given node"),
+ "health": (
+ Health, ARGS_MANY_NODES,
+ [NOHDR_OPT, SEP_OPT, PRIORITY_OPT, OOB_TIMEOUT_OPT],
+ "[<node_name>...]", "List health of node(s) using out-of-band"),
+ "list-drbd": (
+ ListDrbd, ARGS_ONE_NODE,
+ [NOHDR_OPT, SEP_OPT],
+ "[<node_name>]", "Query the list of used DRBD minors on the given node"),
+ "restricted-command": (
+ RestrictedCommand, [ArgUnknown(min=1, max=1)] + ARGS_MANY_NODES,
+ [SYNC_OPT, PRIORITY_OPT] + SUBMIT_OPTS + [SHOW_MACHINE_OPT, NODEGROUP_OPT],
+ "<command> <node_name> [<node_name>...]",
+ "Executes a restricted command on node(s)"),
+ }
+
+#: dictionary with aliases for commands
+aliases = {
+ "show": "info",
}
def Main():
- return GenericMain(commands, override={"tag_type": constants.TAG_NODE})
+ return GenericMain(commands, aliases=aliases,
+ override={"tag_type": constants.TAG_NODE},
+ env_override=_ENV_OVERRIDE)
projects / ganeti-local / blobdiff