# 02110-1301, USA.
+# pylint: disable-msg=W0401,W0614
+# W0401: Wildcard import ganeti.cli
+# W0614: Unused import %s from wildcard import (since we need cli)
+
import sys
import os
+import itertools
+import simplejson
from optparse import make_option
from cStringIO import StringIO
from ganeti.cli import *
+from ganeti import cli
from ganeti import opcodes
-from ganeti import logger
from ganeti import constants
from ganeti import utils
+from ganeti import errors
+
+
+_SHUTDOWN_CLUSTER = "cluster"
+_SHUTDOWN_NODES_BOTH = "nodes"
+_SHUTDOWN_NODES_PRI = "nodes-pri"
+_SHUTDOWN_NODES_SEC = "nodes-sec"
+_SHUTDOWN_INSTANCES = "instances"
+
+
+_VALUE_TRUE = "true"
+
+#: default list of options for L{ListInstances}
+_LIST_DEF_FIELDS = [
+ "name", "hypervisor", "os", "pnode", "status", "oper_ram",
+ ]
+
+
+def _ExpandMultiNames(mode, names, client=None):
+ """Expand the given names using the passed mode.
+
+ For _SHUTDOWN_CLUSTER, all instances will be returned. For
+ _SHUTDOWN_NODES_PRI/SEC, all instances having those nodes as
+ primary/secondary will be returned. For _SHUTDOWN_NODES_BOTH, all
+ instances having those nodes as either primary or secondary will be
+ returned. For _SHUTDOWN_INSTANCES, the given instances will be
+ returned.
+
+ @param mode: one of L{_SHUTDOWN_CLUSTER}, L{_SHUTDOWN_NODES_BOTH},
+ L{_SHUTDOWN_NODES_PRI}, L{_SHUTDOWN_NODES_SEC} or
+ L{_SHUTDOWN_INSTANCES}
+ @param names: a list of names; for cluster, it must be empty,
+ and for node and instance it must be a list of valid item
+ names (short names are valid as usual, e.g. node1 instead of
+ node1.example.com)
+ @rtype: list
+ @return: the list of names after the expansion
+ @raise errors.ProgrammerError: for unknown selection type
+ @raise errors.OpPrereqError: for invalid input parameters
+
+ """
+ if client is None:
+ client = GetClient()
+ if mode == _SHUTDOWN_CLUSTER:
+ if names:
+ raise errors.OpPrereqError("Cluster filter mode takes no arguments")
+ idata = client.QueryInstances([], ["name"], False)
+ inames = [row[0] for row in idata]
+
+ elif mode in (_SHUTDOWN_NODES_BOTH,
+ _SHUTDOWN_NODES_PRI,
+ _SHUTDOWN_NODES_SEC):
+ if not names:
+ raise errors.OpPrereqError("No node names passed")
+ ndata = client.QueryNodes(names, ["name", "pinst_list", "sinst_list"],
+ False)
+ ipri = [row[1] for row in ndata]
+ pri_names = list(itertools.chain(*ipri))
+ isec = [row[2] for row in ndata]
+ sec_names = list(itertools.chain(*isec))
+ if mode == _SHUTDOWN_NODES_BOTH:
+ inames = pri_names + sec_names
+ elif mode == _SHUTDOWN_NODES_PRI:
+ inames = pri_names
+ elif mode == _SHUTDOWN_NODES_SEC:
+ inames = sec_names
+ else:
+ raise errors.ProgrammerError("Unhandled shutdown type")
+
+ elif mode == _SHUTDOWN_INSTANCES:
+ if not names:
+ raise errors.OpPrereqError("No instance names passed")
+ idata = client.QueryInstances(names, ["name"], False)
+ inames = [row[0] for row in idata]
+
+ else:
+ raise errors.OpPrereqError("Unknown mode '%s'" % mode)
+
+ return inames
+
+
+def _ConfirmOperation(inames, text, extra=""):
+ """Ask the user to confirm an operation on a list of instances.
+
+ This function is used to request confirmation for doing an operation
+ on a given list of instances.
+
+ @type inames: list
+ @param inames: the list of names that we display when
+ we ask for confirmation
+ @type text: str
+ @param text: the operation that the user should confirm
+ (e.g. I{shutdown} or I{startup})
+ @rtype: boolean
+ @return: True or False depending on user's confirmation.
+
+ """
+ count = len(inames)
+ msg = ("The %s will operate on %d instances.\n%s"
+ "Do you want to continue?" % (text, count, extra))
+ affected = ("\nAffected instances:\n" +
+ "\n".join([" %s" % name for name in inames]))
+
+ choices = [('y', True, 'Yes, execute the %s' % text),
+ ('n', False, 'No, abort the %s' % text)]
+
+ if count > 20:
+ choices.insert(1, ('v', 'v', 'View the list of affected instances'))
+ ask = msg
+ else:
+ ask = msg + affected
+
+ choice = AskUser(ask, choices)
+ if choice == 'v':
+ choices.pop(1)
+ choice = AskUser(msg + affected, choices)
+ return choice
+
+
+def _EnsureInstancesExist(client, names):
+ """Check for and ensure the given instance names exist.
+
+ This function will raise an OpPrereqError in case they don't
+ exist. Otherwise it will exit cleanly.
+
+ @type client: L{luxi.Client}
+ @param client: the client to use for the query
+ @type names: list
+ @param names: the list of instance names to query
+ @raise errors.OpPrereqError: in case any instance is missing
+
+ """
+ # TODO: change LUQueryInstances to that it actually returns None
+ # instead of raising an exception, or devise a better mechanism
+ result = client.QueryInstances(names, ["name"], False)
+ for orig_name, row in zip(names, result):
+ if row[0] is None:
+ raise errors.OpPrereqError("Instance '%s' does not exist" % orig_name)
def ListInstances(opts, args):
- """List nodes and their properties.
+ """List instances 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", "os", "pnode", "admin_state",
- "oper_state", "oper_ram"]
+ 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.OpQueryInstances(output_fields=selected_fields)
- output = SubmitOpCode(op)
+ output = GetClient().QueryInstances(args, selected_fields, opts.do_locking)
if not opts.no_headers:
- headers = {"name": "Instance", "os": "OS", "pnode": "Primary_node",
- "snodes": "Secondary_Nodes", "admin_state": "Autostart",
- "oper_state": "Status", "admin_ram": "Configured_memory",
- "oper_ram": "Memory", "disk_template": "Disk_template",
- "ip": "IP Address", "mac": "MAC Address",
- "bridge": "Bridge"}
+ headers = {
+ "name": "Instance", "os": "OS", "pnode": "Primary_node",
+ "snodes": "Secondary_Nodes", "admin_state": "Autostart",
+ "oper_state": "Running",
+ "oper_ram": "Memory", "disk_template": "Disk_template",
+ "ip": "IP_address", "mac": "MAC_address",
+ "bridge": "Bridge",
+ "sda_size": "Disk/0", "sdb_size": "Disk/1",
+ "disk_usage": "DiskUsage",
+ "status": "Status", "tags": "Tags",
+ "network_port": "Network_port",
+ "hv/kernel_path": "Kernel_path",
+ "hv/initrd_path": "Initrd_path",
+ "hv/boot_order": "HVM_boot_order",
+ "hv/acpi": "HVM_ACPI",
+ "hv/pae": "HVM_PAE",
+ "hv/cdrom_image_path": "HVM_CDROM_image_path",
+ "hv/nic_type": "HVM_NIC_type",
+ "hv/disk_type": "HVM_Disk_type",
+ "hv/vnc_bind_address": "VNC_bind_address",
+ "serial_no": "SerialNo", "hypervisor": "Hypervisor",
+ "hvparams": "Hypervisor_parameters",
+ "be/memory": "Configured_memory",
+ "be/vcpus": "VCPUs",
+ "be/auto_balance": "Auto_balance",
+ "disk.count": "Disks", "disk.sizes": "Disk_sizes",
+ "nic.count": "NICs", "nic.ips": "NIC_IPs",
+ "nic.bridges": "NIC_bridges", "nic.macs": "NIC_MACs",
+ }
else:
headers = None
- if opts.human_readable:
- unitfields = ["admin_ram", "oper_ram"]
- else:
- unitfields = None
-
- numfields = ["admin_ram", "oper_ram"]
-
- OutputTable(separator=opts.separator, headers=headers,
- fields=selected_fields, unitfields=unitfields,
- numfields=numfields, data=output)
+ unitfields = ["be/memory", "oper_ram", "sd(a|b)_size", "disk\.size/.*"]
+ numfields = ["be/memory", "oper_ram", "sd(a|b)_size", "be/vcpus",
+ "serial_no", "(disk|nic)\.count", "disk\.size/.*"]
+
+ list_type_fields = ("tags", "disk.sizes",
+ "nic.macs", "nic.ips", "nic.bridges")
+ # change raw values to nicer strings
+ for row in output:
+ for idx, field in enumerate(selected_fields):
+ val = row[idx]
+ if field == "snodes":
+ val = ",".join(val) or "-"
+ elif field == "admin_state":
+ if val:
+ val = "yes"
+ else:
+ val = "no"
+ elif field == "oper_state":
+ if val is None:
+ val = "(node down)"
+ elif val: # True
+ val = "running"
+ else:
+ val = "stopped"
+ elif field == "oper_ram":
+ if val is None:
+ val = "(node down)"
+ elif field == "sda_size" or field == "sdb_size":
+ if val is None:
+ val = "N/A"
+ elif field in list_type_fields:
+ val = ",".join(str(item) for item in val)
+ elif val is None:
+ val = "-"
+ 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:
+ ToStdout(line)
return 0
def AddInstance(opts, args):
"""Add an instance to the cluster.
- Args:
- opts - class with options as members
- args - list with a single element, the instance name
- Opts used:
- mem - amount of memory to allocate to instance (MiB)
- size - amount of disk space to allocate to instance (MiB)
- os - which OS to run on instance
- node - node to run new instance on
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: should contain only one element, the new instance name
+ @rtype: int
+ @return: the desired exit code
"""
instance = args[0]
- op = opcodes.OpCreateInstance(instance_name=instance, mem_size=opts.mem,
- disk_size=opts.size, swap_size=opts.swap,
+ (pnode, snode) = SplitNodeOption(opts.node)
+
+ hypervisor = None
+ hvparams = {}
+ if opts.hypervisor:
+ hypervisor, hvparams = opts.hypervisor
+
+ if opts.nics:
+ try:
+ nic_max = max(int(nidx[0])+1 for nidx in opts.nics)
+ except ValueError, err:
+ raise errors.OpPrereqError("Invalid NIC index passed: %s" % str(err))
+ nics = [{}] * nic_max
+ for nidx, ndict in opts.nics:
+ nidx = int(nidx)
+ nics[nidx] = ndict
+ elif opts.no_nics:
+ # no nics
+ nics = []
+ else:
+ # default of one nic, all auto
+ nics = [{}]
+
+ if opts.disk_template == constants.DT_DISKLESS:
+ if opts.disks or opts.sd_size is not None:
+ raise errors.OpPrereqError("Diskless instance but disk"
+ " information passed")
+ disks = []
+ else:
+ if not opts.disks and not opts.sd_size:
+ raise errors.OpPrereqError("No disk information specified")
+ if opts.disks and opts.sd_size is not None:
+ raise errors.OpPrereqError("Please use either the '--disk' or"
+ " '-s' option")
+ if opts.sd_size is not None:
+ opts.disks = [(0, {"size": opts.sd_size})]
+ try:
+ disk_max = max(int(didx[0])+1 for didx in opts.disks)
+ except ValueError, err:
+ raise errors.OpPrereqError("Invalid disk index passed: %s" % str(err))
+ disks = [{}] * disk_max
+ for didx, ddict in opts.disks:
+ didx = int(didx)
+ if "size" not in ddict:
+ raise errors.OpPrereqError("Missing size for disk %d" % didx)
+ try:
+ ddict["size"] = utils.ParseUnit(ddict["size"])
+ except ValueError, err:
+ raise errors.OpPrereqError("Invalid disk size for disk %d: %s" %
+ (didx, err))
+ disks[didx] = ddict
+
+ utils.ForceDictType(opts.beparams, constants.BES_PARAMETER_TYPES)
+ utils.ForceDictType(hvparams, constants.HVS_PARAMETER_TYPES)
+
+ op = opcodes.OpCreateInstance(instance_name=instance,
+ disks=disks,
disk_template=opts.disk_template,
+ nics=nics,
mode=constants.INSTANCE_CREATE,
- os_type=opts.os, pnode=opts.node,
- snode=opts.snode, vcpus=opts.vcpus,
- ip=opts.ip, bridge=opts.bridge, start=True,
- wait_for_sync=opts.wait_for_sync)
- SubmitOpCode(op)
+ os_type=opts.os, pnode=pnode,
+ snode=snode,
+ start=opts.start, ip_check=opts.ip_check,
+ wait_for_sync=opts.wait_for_sync,
+ hypervisor=hypervisor,
+ hvparams=hvparams,
+ beparams=opts.beparams,
+ iallocator=opts.iallocator,
+ file_storage_dir=opts.file_storage_dir,
+ file_driver=opts.file_driver,
+ )
+
+ SubmitOrSend(op, opts)
+ return 0
+
+
+def BatchCreate(opts, args):
+ """Create instances using a definition file.
+
+ This function reads a json file with instances defined
+ in the form::
+
+ {"instance-name":{
+ "disk_size": [20480],
+ "template": "drbd",
+ "backend": {
+ "memory": 512,
+ "vcpus": 1 },
+ "os": "debootstrap",
+ "primary_node": "firstnode",
+ "secondary_node": "secondnode",
+ "iallocator": "dumb"}
+ }
+
+ Note that I{primary_node} and I{secondary_node} have precedence over
+ I{iallocator}.
+
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: should contain one element, the json filename
+ @rtype: int
+ @return: the desired exit code
+
+ """
+ _DEFAULT_SPECS = {"disk_size": [20 * 1024],
+ "backend": {},
+ "iallocator": None,
+ "primary_node": None,
+ "secondary_node": None,
+ "ip": 'none',
+ "mac": 'auto',
+ "bridge": None,
+ "start": True,
+ "ip_check": True,
+ "hypervisor": None,
+ "hvparams": {},
+ "file_storage_dir": None,
+ "file_driver": 'loop'}
+
+ def _PopulateWithDefaults(spec):
+ """Returns a new hash combined with default values."""
+ mydict = _DEFAULT_SPECS.copy()
+ mydict.update(spec)
+ return mydict
+
+ def _Validate(spec):
+ """Validate the instance specs."""
+ # Validate fields required under any circumstances
+ for required_field in ('os', 'template'):
+ if required_field not in spec:
+ raise errors.OpPrereqError('Required field "%s" is missing.' %
+ required_field)
+ # Validate special fields
+ if spec['primary_node'] is not None:
+ if (spec['template'] in constants.DTS_NET_MIRROR and
+ spec['secondary_node'] is None):
+ raise errors.OpPrereqError('Template requires secondary node, but'
+ ' there was no secondary provided.')
+ elif spec['iallocator'] is None:
+ raise errors.OpPrereqError('You have to provide at least a primary_node'
+ ' or an iallocator.')
+
+ if (spec['hvparams'] and
+ not isinstance(spec['hvparams'], dict)):
+ raise errors.OpPrereqError('Hypervisor parameters must be a dict.')
+
+ json_filename = args[0]
+ try:
+ fd = open(json_filename, 'r')
+ instance_data = simplejson.load(fd)
+ fd.close()
+ except Exception, err:
+ ToStderr("Can't parse the instance definition file: %s" % str(err))
+ return 1
+
+ jex = JobExecutor()
+
+ # Iterate over the instances and do:
+ # * Populate the specs with default value
+ # * Validate the instance specs
+ i_names = utils.NiceSort(instance_data.keys())
+ for name in i_names:
+ specs = instance_data[name]
+ specs = _PopulateWithDefaults(specs)
+ _Validate(specs)
+
+ hypervisor = specs['hypervisor']
+ hvparams = specs['hvparams']
+
+ disks = []
+ for elem in specs['disk_size']:
+ try:
+ size = utils.ParseUnit(elem)
+ except ValueError, err:
+ raise errors.OpPrereqError("Invalid disk size '%s' for"
+ " instance %s: %s" %
+ (elem, name, err))
+ disks.append({"size": size})
+
+ nic0 = {'ip': specs['ip'], 'bridge': specs['bridge'], 'mac': specs['mac']}
+
+ utils.ForceDictType(specs['backend'], constants.BES_PARAMETER_TYPES)
+ utils.ForceDictType(hvparams, constants.HVS_PARAMETER_TYPES)
+
+ op = opcodes.OpCreateInstance(instance_name=name,
+ disks=disks,
+ disk_template=specs['template'],
+ mode=constants.INSTANCE_CREATE,
+ os_type=specs['os'],
+ pnode=specs['primary_node'],
+ snode=specs['secondary_node'],
+ nics=[nic0],
+ start=specs['start'],
+ ip_check=specs['ip_check'],
+ wait_for_sync=True,
+ iallocator=specs['iallocator'],
+ hypervisor=hypervisor,
+ hvparams=hvparams,
+ beparams=specs['backend'],
+ file_storage_dir=specs['file_storage_dir'],
+ file_driver=specs['file_driver'])
+
+ jex.QueueJob(name, op)
+ # we never want to wait, just show the submitted job IDs
+ jex.WaitOrShow(False)
+
return 0
def ReinstallInstance(opts, args):
"""Reinstall an instance.
- Args:
- opts - class with options as members
- args - list containing a single element, the instance name
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: should contain only one element, the name of the
+ instance to be reinstalled
+ @rtype: int
+ @return: the desired exit code
"""
- instance_name = args[0]
+ # first, compute the desired name list
+ if opts.multi_mode is None:
+ opts.multi_mode = _SHUTDOWN_INSTANCES
+
+ inames = _ExpandMultiNames(opts.multi_mode, args)
+ if not inames:
+ raise errors.OpPrereqError("Selection filter does not match any instances")
- if not opts.force:
- usertext = ("This will reinstall the instance %s and remove "
- "all data. Continue?") % instance_name
- if not opts._ask_user(usertext):
+ # second, if requested, ask for an OS
+ if opts.select_os is True:
+ op = opcodes.OpDiagnoseOS(output_fields=["name", "valid"], names=[])
+ result = SubmitOpCode(op)
+
+ if not result:
+ ToStdout("Can't get the OS list")
return 1
- op = opcodes.OpReinstallInstance(instance_name=instance_name,
- os_type=opts.os)
- SubmitOpCode(op)
+ ToStdout("Available OS templates:")
+ number = 0
+ choices = []
+ for entry in result:
+ ToStdout("%3s: %s", number, entry[0])
+ choices.append(("%s" % number, entry[0], entry[0]))
+ number = number + 1
+
+ choices.append(('x', 'exit', 'Exit gnt-instance reinstall'))
+ selected = AskUser("Enter OS template number (or x to abort):",
+ choices)
+
+ if selected == 'exit':
+ ToStderr("User aborted reinstall, exiting")
+ return 1
+ os_name = selected
+ else:
+ os_name = opts.os
+
+ # third, get confirmation: multi-reinstall requires --force-multi
+ # *and* --force, single-reinstall just --force
+ multi_on = opts.multi_mode != _SHUTDOWN_INSTANCES or len(inames) > 1
+ if multi_on:
+ warn_msg = "Note: this will remove *all* data for the below instances!\n"
+ if not ((opts.force_multi and opts.force) or
+ _ConfirmOperation(inames, "reinstall", extra=warn_msg)):
+ return 1
+ else:
+ if not opts.force:
+ usertext = ("This will reinstall the instance %s and remove"
+ " all data. Continue?") % instance_name
+ if not AskUser(usertext):
+ return 1
+
+ jex = JobExecutor(verbose=multi_on)
+ for instance_name in inames:
+ op = opcodes.OpReinstallInstance(instance_name=instance_name,
+ os_type=os_name)
+ jex.QueueJob(instance_name, op)
+
+ jex.WaitOrShow(not opts.submit_only)
return 0
def RemoveInstance(opts, args):
"""Remove an instance.
- Args:
- opts - class with options as members
- args - list containing a single element, the instance name
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: should contain only one element, the name of
+ the instance to be removed
+ @rtype: int
+ @return: the desired exit code
"""
instance_name = args[0]
force = opts.force
+ cl = GetClient()
if not force:
+ _EnsureInstancesExist(cl, [instance_name])
+
usertext = ("This will remove the volumes of the instance %s"
" (including mirrors), thus removing all the data"
" of the instance. Continue?") % instance_name
- if not opts._ask_user(usertext):
+ if not AskUser(usertext):
return 1
- op = opcodes.OpRemoveInstance(instance_name=instance_name)
- SubmitOpCode(op)
+ op = opcodes.OpRemoveInstance(instance_name=instance_name,
+ ignore_failures=opts.ignore_failures)
+ SubmitOrSend(op, opts, cl=cl)
+ return 0
+
+
+def RenameInstance(opts, args):
+ """Rename an instance.
+
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: should contain two elements, the old and the
+ new instance names
+ @rtype: int
+ @return: the desired exit code
+
+ """
+ op = opcodes.OpRenameInstance(instance_name=args[0],
+ new_name=args[1],
+ ignore_ip=opts.ignore_ip)
+ SubmitOrSend(op, opts)
return 0
"""Activate an instance's disks.
This serves two purposes:
- - it allows one (as long as the instance is not running) to mount
- the disks and modify them from the node
+ - it allows (as long as the instance is not running)
+ mounting the disks and modifying them from the node
- it repairs inactive secondary drbds
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: should contain only one element, the instance name
+ @rtype: int
+ @return: the desired exit code
+
"""
instance_name = args[0]
op = opcodes.OpActivateInstanceDisks(instance_name=instance_name)
- disks_info = SubmitOpCode(op)
+ disks_info = SubmitOrSend(op, opts)
for host, iname, nname in disks_info:
- print "%s:%s:%s" % (host, iname, nname)
+ ToStdout("%s:%s:%s", host, iname, nname)
return 0
def DeactivateDisks(opts, args):
- """Command-line interface for _ShutdownInstanceBlockDevices.
+ """Deactivate an instance's disks..
This function takes the instance name, looks for its primary node
and the tries to shutdown its block devices on that node.
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: should contain only one element, the instance name
+ @rtype: int
+ @return: the desired exit code
+
"""
instance_name = args[0]
op = opcodes.OpDeactivateInstanceDisks(instance_name=instance_name)
- SubmitOpCode(op)
+ SubmitOrSend(op, opts)
return 0
-def StartupInstance(opts, args):
- """Shutdown an instance.
+def GrowDisk(opts, args):
+ """Grow an instance's disks.
- Args:
- opts - class with options as members
- args - list containing a single element, the instance name
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: should contain two elements, the instance name
+ whose disks we grow and the disk name, e.g. I{sda}
+ @rtype: int
+ @return: the desired exit code
"""
- instance_name = args[0]
- op = opcodes.OpStartupInstance(instance_name=instance_name, force=opts.force,
- extra_args=opts.extra_args)
- SubmitOpCode(op)
+ instance = args[0]
+ disk = args[1]
+ try:
+ disk = int(disk)
+ except ValueError, err:
+ raise errors.OpPrereqError("Invalid disk index: %s" % str(err))
+ amount = utils.ParseUnit(args[2])
+ op = opcodes.OpGrowDisk(instance_name=instance, disk=disk, amount=amount,
+ wait_for_sync=opts.wait_for_sync)
+ SubmitOrSend(op, opts)
return 0
-def ShutdownInstance(opts, args):
- """Shutdown an instance.
+def StartupInstance(opts, args):
+ """Startup instances.
+
+ Depending on the options given, this will start one or more
+ instances.
- Args:
- opts - class with options as members
- args - list containing a single element, the instance name
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: the instance or node names based on which we
+ create the final selection (in conjunction with the
+ opts argument)
+ @rtype: int
+ @return: the desired exit code
"""
- instance_name = args[0]
- op = opcodes.OpShutdownInstance(instance_name=instance_name)
- SubmitOpCode(op)
+ cl = GetClient()
+ if opts.multi_mode is None:
+ opts.multi_mode = _SHUTDOWN_INSTANCES
+ inames = _ExpandMultiNames(opts.multi_mode, args, client=cl)
+ if not inames:
+ raise errors.OpPrereqError("Selection filter does not match any instances")
+ multi_on = opts.multi_mode != _SHUTDOWN_INSTANCES or len(inames) > 1
+ if not (opts.force_multi or not multi_on
+ or _ConfirmOperation(inames, "startup")):
+ return 1
+ jex = cli.JobExecutor(verbose=multi_on, cl=cl)
+ for name in inames:
+ op = opcodes.OpStartupInstance(instance_name=name,
+ force=opts.force)
+ # do not add these parameters to the opcode unless they're defined
+ if opts.hvparams:
+ op.hvparams = opts.hvparams
+ if opts.beparams:
+ op.beparams = opts.beparams
+ jex.QueueJob(name, op)
+ jex.WaitOrShow(not opts.submit_only)
return 0
-def AddMDDRBDComponent(opts, args):
- """Add a new component to a remote_raid1 disk.
+def RebootInstance(opts, args):
+ """Reboot instance(s).
+
+ Depending on the parameters given, this will reboot one or more
+ instances.
- Args:
- opts - class with options as members
- args - list with a single element, the instance name
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: the instance or node names based on which we
+ create the final selection (in conjunction with the
+ opts argument)
+ @rtype: int
+ @return: the desired exit code
"""
- op = opcodes.OpAddMDDRBDComponent(instance_name=args[0],
- disk_name=opts.disk,
- remote_node=opts.node)
- SubmitOpCode(op)
+ cl = GetClient()
+ if opts.multi_mode is None:
+ opts.multi_mode = _SHUTDOWN_INSTANCES
+ inames = _ExpandMultiNames(opts.multi_mode, args, client=cl)
+ if not inames:
+ raise errors.OpPrereqError("Selection filter does not match any instances")
+ multi_on = opts.multi_mode != _SHUTDOWN_INSTANCES or len(inames) > 1
+ if not (opts.force_multi or not multi_on
+ or _ConfirmOperation(inames, "reboot")):
+ return 1
+ jex = JobExecutor(verbose=multi_on, cl=cl)
+ for name in inames:
+ op = opcodes.OpRebootInstance(instance_name=name,
+ reboot_type=opts.reboot_type,
+ ignore_secondaries=opts.ignore_secondaries)
+ jex.QueueJob(name, op)
+ jex.WaitOrShow(not opts.submit_only)
return 0
-def RemoveMDDRBDComponent(opts, args):
- """Remove a component from a remote_raid1 disk.
+def ShutdownInstance(opts, args):
+ """Shutdown an instance.
- Args:
- opts - class with options as members
- args - list with a single element, the instance name
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: the instance or node names based on which we
+ create the final selection (in conjunction with the
+ opts argument)
+ @rtype: int
+ @return: the desired exit code
"""
- op = opcodes.OpRemoveMDDRBDComponent(instance_name=args[0],
- disk_name=opts.disk,
- disk_id=opts.port)
- SubmitOpCode(op)
+ cl = GetClient()
+ if opts.multi_mode is None:
+ opts.multi_mode = _SHUTDOWN_INSTANCES
+ inames = _ExpandMultiNames(opts.multi_mode, args, client=cl)
+ if not inames:
+ raise errors.OpPrereqError("Selection filter does not match any instances")
+ multi_on = opts.multi_mode != _SHUTDOWN_INSTANCES or len(inames) > 1
+ if not (opts.force_multi or not multi_on
+ or _ConfirmOperation(inames, "shutdown")):
+ return 1
+
+ jex = cli.JobExecutor(verbose=multi_on, cl=cl)
+ for name in inames:
+ op = opcodes.OpShutdownInstance(instance_name=name)
+ jex.QueueJob(name, op)
+ jex.WaitOrShow(not opts.submit_only)
return 0
def ReplaceDisks(opts, args):
"""Replace the disks of an instance
- Args:
- opts - class with options as members
- args - list with a single element, the instance name
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: should contain only one element, the instance name
+ @rtype: int
+ @return: the desired exit code
"""
instance_name = args[0]
- new_secondary = opts.new_secondary
- op = opcodes.OpReplaceDisks(instance_name=args[0],
- remote_node=opts.new_secondary)
- SubmitOpCode(op)
+ new_2ndary = opts.new_secondary
+ iallocator = opts.iallocator
+ if opts.disks is None:
+ disks = []
+ else:
+ try:
+ disks = [int(i) for i in opts.disks.split(",")]
+ except ValueError, err:
+ raise errors.OpPrereqError("Invalid disk index passed: %s" % str(err))
+ cnt = [opts.on_primary, opts.on_secondary,
+ new_2ndary is not None, iallocator is not None].count(True)
+ if cnt != 1:
+ raise errors.OpPrereqError("One and only one of the -p, -s, -n and -i"
+ " options must be passed")
+ elif opts.on_primary:
+ mode = constants.REPLACE_DISK_PRI
+ elif opts.on_secondary:
+ mode = constants.REPLACE_DISK_SEC
+ elif new_2ndary is not None or iallocator is not None:
+ # replace secondary
+ mode = constants.REPLACE_DISK_CHG
+
+ op = opcodes.OpReplaceDisks(instance_name=args[0], disks=disks,
+ remote_node=new_2ndary, mode=mode,
+ iallocator=iallocator)
+ SubmitOrSend(op, opts)
return 0
The failover is done by shutting it down on its present node and
starting it on the secondary.
- Args:
- opts - class with options as members
- args - list with a single element, the instance name
- Opts used:
- force - whether to failover without asking questions.
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: should contain only one element, the instance name
+ @rtype: int
+ @return: the desired exit code
"""
+ cl = GetClient()
instance_name = args[0]
force = opts.force
if not force:
+ _EnsureInstancesExist(cl, [instance_name])
+
usertext = ("Failover will happen to image %s."
" This requires a shutdown of the instance. Continue?" %
(instance_name,))
- if not opts._ask_user(usertext):
+ if not AskUser(usertext):
return 1
op = opcodes.OpFailoverInstance(instance_name=instance_name,
ignore_consistency=opts.ignore_consistency)
- SubmitOpCode(op)
+ SubmitOrSend(op, opts, cl=cl)
+ return 0
+
+
+def MigrateInstance(opts, args):
+ """Migrate an instance.
+
+ The migrate is done without shutdown.
+
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: should contain only one element, the instance name
+ @rtype: int
+ @return: the desired exit code
+
+ """
+ cl = GetClient()
+ instance_name = args[0]
+ force = opts.force
+
+ if not force:
+ _EnsureInstancesExist(cl, [instance_name])
+
+ if opts.cleanup:
+ usertext = ("Instance %s will be recovered from a failed migration."
+ " Note that the migration procedure (including cleanup)" %
+ (instance_name,))
+ else:
+ usertext = ("Instance %s will be migrated. Note that migration" %
+ (instance_name,))
+ usertext += (" is **experimental** in this version."
+ " This might impact the instance if anything goes wrong."
+ " Continue?")
+ if not AskUser(usertext):
+ return 1
+
+ op = opcodes.OpMigrateInstance(instance_name=instance_name, live=opts.live,
+ cleanup=opts.cleanup)
+ SubmitOpCode(op, cl=cl)
return 0
def ConnectToInstanceConsole(opts, args):
"""Connect to the console of an instance.
- Args:
- opts - class with options as members
- args - list with a single element, the instance name
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: should contain only one element, the instance name
+ @rtype: int
+ @return: the desired exit code
"""
instance_name = args[0]
op = opcodes.OpConnectConsole(instance_name=instance_name)
- node, console_cmd = SubmitOpCode(op)
- # drop lock and exec so other commands can run while we have console
- utils.Unlock("cmd")
- try:
- os.execv("/usr/bin/ssh", ["ssh", "-qt", node, console_cmd])
- finally:
- sys.stderr.write("Can't run console command %s on node %s" %
- (console_cmd, node))
- os._exit(1)
+ cmd = SubmitOpCode(op)
+ if opts.show_command:
+ ToStdout("%s", utils.ShellQuoteArgs(cmd))
+ else:
+ try:
+ os.execvp(cmd[0], cmd)
+ finally:
+ ToStderr("Can't run console command %s with arguments:\n'%s'",
+ cmd[0], " ".join(cmd))
+ os._exit(1)
-def _FormatBlockDevInfo(buf, dev, indent_level):
+
+def _FormatLogicalID(dev_type, logical_id):
+ """Formats the logical_id of a disk.
+
+ """
+ if dev_type == constants.LD_DRBD8:
+ node_a, node_b, port, minor_a, minor_b, key = logical_id
+ data = [
+ ("nodeA", "%s, minor=%s" % (node_a, minor_a)),
+ ("nodeB", "%s, minor=%s" % (node_b, minor_b)),
+ ("port", port),
+ ("auth key", key),
+ ]
+ elif dev_type == constants.LD_LV:
+ vg_name, lv_name = logical_id
+ data = ["%s/%s" % (vg_name, lv_name)]
+ else:
+ data = [str(logical_id)]
+
+ return data
+
+
+def _FormatBlockDevInfo(idx, top_level, dev, static):
"""Show block device information.
- This is only used by ShowInstanceConfig(), but it's too big to be
+ This is only used by L{ShowInstanceConfig}, but it's too big to be
left for an inline definition.
+ @type idx: int
+ @param idx: the index of the current disk
+ @type top_level: boolean
+ @param top_level: if this a top-level disk?
+ @type dev: dict
+ @param dev: dictionary with disk information
+ @type static: boolean
+ @param static: wheter the device information doesn't contain
+ runtime information but only static data
+ @return: a list of either strings, tuples or lists
+ (which should be formatted at a higher indent level)
+
"""
- def helper(buf, dtype, status):
- """Format one line for phsyical device status."""
+ def helper(dtype, status):
+ """Format one line for physical device status.
+
+ @type dtype: str
+ @param dtype: a constant from the L{constants.LDS_BLOCK} set
+ @type status: tuple
+ @param status: a tuple as returned from L{backend.FindBlockDevice}
+ @return: the string representing the status
+
+ """
if not status:
- buf.write("not active\n")
+ return "not active"
+ txt = ""
+ (path, major, minor, syncp, estt, degr, ldisk) = status
+ if major is None:
+ major_string = "N/A"
else:
- (path, major, minor, syncp, estt, degr) = status
- buf.write("%s (%d:%d)" % (path, major, minor))
- if dtype in ("md_raid1", "drbd"):
- if syncp is not None:
- sync_text = "*RECOVERING* %5.2f%%," % syncp
- if estt:
- sync_text += " ETA %ds" % estt
- else:
- sync_text += " ETA unknown"
- else:
- sync_text = "in sync"
- if degr:
- degr_text = "*DEGRADED*"
- else:
- degr_text = "ok"
- buf.write(" %s, status %s" % (sync_text, degr_text))
- buf.write("\n")
+ major_string = str(major)
- if dev["iv_name"] is not None:
- data = " - %s, " % dev["iv_name"]
+ if minor is None:
+ minor_string = "N/A"
+ else:
+ minor_string = str(minor)
+
+ txt += ("%s (%s:%s)" % (path, major_string, minor_string))
+ if dtype in (constants.LD_DRBD8, ):
+ if syncp is not None:
+ sync_text = "*RECOVERING* %5.2f%%," % syncp
+ if estt:
+ sync_text += " ETA %ds" % estt
+ else:
+ sync_text += " ETA unknown"
+ else:
+ sync_text = "in sync"
+ if degr:
+ degr_text = "*DEGRADED*"
+ else:
+ degr_text = "ok"
+ if ldisk:
+ ldisk_text = " *MISSING DISK*"
+ else:
+ ldisk_text = ""
+ txt += (" %s, status %s%s" % (sync_text, degr_text, ldisk_text))
+ elif dtype == constants.LD_LV:
+ if ldisk:
+ ldisk_text = " *FAILED* (failed drive?)"
+ else:
+ ldisk_text = ""
+ txt += ldisk_text
+ return txt
+
+ # the header
+ if top_level:
+ if dev["iv_name"] is not None:
+ txt = dev["iv_name"]
+ else:
+ txt = "disk %d" % idx
else:
- data = " - "
- data += "type: %s" % dev["dev_type"]
+ txt = "child %d" % idx
+ d1 = ["- %s: %s" % (txt, dev["dev_type"])]
+ data = []
+ if top_level:
+ data.append(("access mode", dev["mode"]))
if dev["logical_id"] is not None:
- data += ", logical_id: %s" % (dev["logical_id"],)
+ try:
+ l_id = _FormatLogicalID(dev["dev_type"], dev["logical_id"])
+ except ValueError:
+ l_id = [str(dev["logical_id"])]
+ if len(l_id) == 1:
+ data.append(("logical_id", l_id[0]))
+ else:
+ data.extend(l_id)
elif dev["physical_id"] is not None:
- data += ", physical_id: %s" % (dev["physical_id"],)
- buf.write("%*s%s\n" % (2*indent_level, "", data))
- buf.write("%*s primary: " % (2*indent_level, ""))
- helper(buf, dev["dev_type"], dev["pstatus"])
-
- if dev["sstatus"]:
- buf.write("%*s secondary: " % (2*indent_level, ""))
- helper(buf, dev["dev_type"], dev["sstatus"])
+ data.append("physical_id:")
+ data.append([dev["physical_id"]])
+ if not static:
+ data.append(("on primary", helper(dev["dev_type"], dev["pstatus"])))
+ if dev["sstatus"] and not static:
+ data.append(("on secondary", helper(dev["dev_type"], dev["sstatus"])))
if dev["children"]:
- for child in dev["children"]:
- _FormatBlockDevInfo(buf, child, indent_level+1)
+ data.append("child devices:")
+ for c_idx, child in enumerate(dev["children"]):
+ data.append(_FormatBlockDevInfo(c_idx, False, child, static))
+ d1.append(data)
+ return d1
+
+
+def _FormatList(buf, data, indent_level):
+ """Formats a list of data at a given indent level.
+ If the element of the list is:
+ - a string, it is simply formatted as is
+ - a tuple, it will be split into key, value and the all the
+ values in a list will be aligned all at the same start column
+ - a list, will be recursively formatted
+
+ @type buf: StringIO
+ @param buf: the buffer into which we write the output
+ @param data: the list to format
+ @type indent_level: int
+ @param indent_level: the indent level to format at
+
+ """
+ max_tlen = max([len(elem[0]) for elem in data
+ if isinstance(elem, tuple)] or [0])
+ for elem in data:
+ if isinstance(elem, basestring):
+ buf.write("%*s%s\n" % (2*indent_level, "", elem))
+ elif isinstance(elem, tuple):
+ key, value = elem
+ spacer = "%*s" % (max_tlen - len(key), "")
+ buf.write("%*s%s:%s %s\n" % (2*indent_level, "", key, spacer, value))
+ elif isinstance(elem, list):
+ _FormatList(buf, elem, indent_level+1)
def ShowInstanceConfig(opts, args):
"""Compute instance run-time status.
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: either an empty list, and then we query all
+ instances, or should contain a list of instance names
+ @rtype: int
+ @return: the desired exit code
+
"""
+ if not args and not opts.show_all:
+ ToStderr("No instance selected."
+ " Please pass in --all if you want to query all instances.\n"
+ "Note that this can take a long time on a big cluster.")
+ return 1
+ elif args and opts.show_all:
+ ToStderr("Cannot use --all if you specify instance names.")
+ return 1
+
retcode = 0
- op = opcodes.OpQueryInstanceData(instances=args)
+ op = opcodes.OpQueryInstanceData(instances=args, static=opts.static)
result = SubmitOpCode(op)
-
if not result:
- logger.ToStdout("No instances.")
+ ToStdout("No instances.")
return 1
buf = StringIO()
for instance_name in result:
instance = result[instance_name]
buf.write("Instance name: %s\n" % instance["name"])
- buf.write("State: configured to be %s, actual state is %s\n" %
- (instance["config_state"], instance["run_state"]))
+ buf.write("State: configured to be %s" % instance["config_state"])
+ if not opts.static:
+ buf.write(", actual state is %s" % instance["run_state"])
+ buf.write("\n")
+ ##buf.write("Considered for memory checks in cluster verify: %s\n" %
+ ## instance["auto_balance"])
buf.write(" Nodes:\n")
buf.write(" - primary: %s\n" % instance["pnode"])
buf.write(" - secondaries: %s\n" % ", ".join(instance["snodes"]))
buf.write(" Operating system: %s\n" % instance["os"])
+ if instance.has_key("network_port"):
+ buf.write(" Allocated network port: %s\n" % instance["network_port"])
+ buf.write(" Hypervisor: %s\n" % instance["hypervisor"])
+
+ # custom VNC console information
+ vnc_bind_address = instance["hv_actual"].get(constants.HV_VNC_BIND_ADDRESS,
+ None)
+ if vnc_bind_address:
+ port = instance["network_port"]
+ display = int(port) - constants.VNC_BASE_PORT
+ if display > 0 and vnc_bind_address == constants.BIND_ADDRESS_GLOBAL:
+ vnc_console_port = "%s:%s (display %s)" % (instance["pnode"],
+ port,
+ display)
+ elif display > 0 and utils.IsValidIP(vnc_bind_address):
+ vnc_console_port = ("%s:%s (node %s) (display %s)" %
+ (vnc_bind_address, port,
+ instance["pnode"], display))
+ else:
+ # vnc bind address is a file
+ vnc_console_port = "%s:%s" % (instance["pnode"],
+ vnc_bind_address)
+ buf.write(" - console connection: vnc to %s\n" % vnc_console_port)
+
+ for key in instance["hv_actual"]:
+ if key in instance["hv_instance"]:
+ val = instance["hv_instance"][key]
+ else:
+ val = "default (%s)" % instance["hv_actual"][key]
+ buf.write(" - %s: %s\n" % (key, val))
buf.write(" Hardware:\n")
- buf.write(" - memory: %dMiB\n" % instance["memory"])
- buf.write(" - NICs: %s\n" %
- ", ".join(["{MAC: %s, IP: %s, bridge: %s}" %
- (mac, ip, bridge)
- for mac, ip, bridge in instance["nics"]]))
- buf.write(" Block devices:\n")
-
- for device in instance["disks"]:
- _FormatBlockDevInfo(buf, device, 1)
-
- logger.ToStdout(buf.getvalue().rstrip('\n'))
+ buf.write(" - VCPUs: %d\n" %
+ instance["be_actual"][constants.BE_VCPUS])
+ buf.write(" - memory: %dMiB\n" %
+ instance["be_actual"][constants.BE_MEMORY])
+ buf.write(" - NICs:\n")
+ for idx, (mac, ip, bridge) in enumerate(instance["nics"]):
+ buf.write(" - nic/%d: MAC: %s, IP: %s, bridge: %s\n" %
+ (idx, mac, ip, bridge))
+ buf.write(" Disks:\n")
+
+ for idx, device in enumerate(instance["disks"]):
+ _FormatList(buf, _FormatBlockDevInfo(idx, True, device, opts.static), 2)
+
+ ToStdout(buf.getvalue().rstrip('\n'))
return retcode
-def SetInstanceParms(opts, args):
+def SetInstanceParams(opts, args):
"""Modifies an instance.
All parameters take effect only at the next restart of the instance.
- Args:
- opts - class with options as members
- args - list with a single element, the instance name
- Opts used:
- memory - the new memory size
- vcpus - the new number of cpus
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: should contain only one element, the instance name
+ @rtype: int
+ @return: the desired exit code
"""
- if not opts.mem and not opts.vcpus and not opts.ip and not opts.bridge:
- logger.ToStdout("Please give at least one of the parameters.")
+ if not (opts.nics or opts.disks or
+ opts.hypervisor or opts.beparams):
+ ToStderr("Please give at least one of the parameters.")
return 1
- op = opcodes.OpSetInstanceParms(instance_name=args[0], mem=opts.mem,
- vcpus=opts.vcpus, ip=opts.ip,
- bridge=opts.bridge)
- result = SubmitOpCode(op)
+ for param in opts.beparams:
+ if isinstance(opts.beparams[param], basestring):
+ if opts.beparams[param].lower() == "default":
+ opts.beparams[param] = constants.VALUE_DEFAULT
+
+ utils.ForceDictType(opts.beparams, constants.BES_PARAMETER_TYPES,
+ allowed_values=[constants.VALUE_DEFAULT])
+
+ for param in opts.hypervisor:
+ if isinstance(opts.hypervisor[param], basestring):
+ if opts.hypervisor[param].lower() == "default":
+ opts.hypervisor[param] = constants.VALUE_DEFAULT
+
+ utils.ForceDictType(opts.hypervisor, constants.HVS_PARAMETER_TYPES,
+ allowed_values=[constants.VALUE_DEFAULT])
+
+ for idx, (nic_op, nic_dict) in enumerate(opts.nics):
+ try:
+ nic_op = int(nic_op)
+ opts.nics[idx] = (nic_op, nic_dict)
+ except ValueError:
+ pass
+
+ for idx, (disk_op, disk_dict) in enumerate(opts.disks):
+ try:
+ disk_op = int(disk_op)
+ opts.disks[idx] = (disk_op, disk_dict)
+ except ValueError:
+ pass
+ if disk_op == constants.DDM_ADD:
+ if 'size' not in disk_dict:
+ raise errors.OpPrereqError("Missing required parameter 'size'")
+ disk_dict['size'] = utils.ParseUnit(disk_dict['size'])
+
+ op = opcodes.OpSetInstanceParams(instance_name=args[0],
+ nics=opts.nics,
+ disks=opts.disks,
+ hvparams=opts.hypervisor,
+ beparams=opts.beparams,
+ force=opts.force)
+
+ # even if here we process the result, we allow submit only
+ result = SubmitOrSend(op, opts)
if result:
- logger.ToStdout("Modified instance %s" % args[0])
+ ToStdout("Modified instance %s", args[0])
for param, data in result:
- logger.ToStdout(" - %-5s -> %s" % (param, data))
- logger.ToStdout("Please don't forget that these parameters take effect"
- " only at the next start of the instance.")
+ ToStdout(" - %-5s -> %s", param, data)
+ ToStdout("Please don't forget that these parameters take effect"
+ " only at the next start of the instance.")
return 0
os_opt = cli_option("-o", "--os-type", dest="os", help="What OS to run",
metavar="<os>")
+# multi-instance selection options
+m_force_multi = make_option("--force-multiple", dest="force_multi",
+ help="Do not ask for confirmation when more than"
+ " one instance is affected",
+ action="store_true", default=False)
+
+m_pri_node_opt = make_option("--primary", dest="multi_mode",
+ help="Filter by nodes (primary only)",
+ const=_SHUTDOWN_NODES_PRI, action="store_const")
+
+m_sec_node_opt = make_option("--secondary", dest="multi_mode",
+ help="Filter by nodes (secondary only)",
+ const=_SHUTDOWN_NODES_SEC, action="store_const")
+
+m_node_opt = make_option("--node", dest="multi_mode",
+ help="Filter by nodes (primary and secondary)",
+ const=_SHUTDOWN_NODES_BOTH, action="store_const")
+
+m_clust_opt = make_option("--all", dest="multi_mode",
+ help="Select all instances in the cluster",
+ const=_SHUTDOWN_CLUSTER, action="store_const")
+
+m_inst_opt = make_option("--instance", dest="multi_mode",
+ help="Filter by instance name [default]",
+ const=_SHUTDOWN_INSTANCES, action="store_const")
+
+
# this is defined separately due to readability only
add_opts = [
DEBUG_OPT,
- node_opt,
- cli_option("-s", "--os-size", dest="size", help="Disk size",
- default=20 * 1024, type="unit", metavar="<size>"),
- cli_option("--swap-size", dest="swap", help="Swap size",
- default=4 * 1024, type="unit", metavar="<size>"),
+ make_option("-n", "--node", dest="node",
+ help="Target node and optional secondary node",
+ metavar="<pnode>[:<snode>]"),
os_opt,
- cli_option("-m", "--memory", dest="mem", help="Memory size",
- default=128, type="unit", metavar="<mem>"),
- make_option("-p", "--cpu", dest="vcpus", help="Number of virtual CPUs",
- default=1, type="int", metavar="<PROC>"),
+ keyval_option("-B", "--backend", dest="beparams",
+ type="keyval", default={},
+ help="Backend parameters"),
make_option("-t", "--disk-template", dest="disk_template",
- help="Custom disk setup (diskless, plain, local_raid1 or"
- " remote_raid1)", default=None, metavar="TEMPL"),
- make_option("-i", "--ip", dest="ip",
- help="IP address ('none' [default], 'auto', or specify address)",
- default='none', type="string", metavar="<ADDRESS>"),
+ help="Custom disk setup (diskless, file, plain or drbd)",
+ default=None, metavar="TEMPL"),
+ cli_option("-s", "--os-size", dest="sd_size", help="Disk size for a"
+ " single-disk configuration, when not using the --disk option,"
+ " in MiB unless a suffix is used",
+ default=None, type="unit", metavar="<size>"),
+ ikv_option("--disk", help="Disk information",
+ default=[], dest="disks",
+ action="append",
+ type="identkeyval"),
+ ikv_option("--net", help="NIC information",
+ default=[], dest="nics",
+ action="append",
+ type="identkeyval"),
+ make_option("--no-nics", default=False, action="store_true",
+ help="Do not create any network cards for the instance"),
make_option("--no-wait-for-sync", dest="wait_for_sync", default=True,
action="store_false", help="Don't wait for sync (DANGEROUS!)"),
- make_option("--secondary-node", dest="snode",
- help="Secondary node for remote_raid1 disk layout",
- metavar="<node>"),
- make_option("-b", "--bridge", dest="bridge",
- help="Bridge to connect this instance to",
- default=None, metavar="<bridge>")
+ make_option("--no-start", dest="start", default=True,
+ action="store_false", help="Don't start the instance after"
+ " creation"),
+ make_option("--no-ip-check", dest="ip_check", default=True,
+ action="store_false", help="Don't check that the instance's IP"
+ " is alive (only valid with --no-start)"),
+ make_option("--file-storage-dir", dest="file_storage_dir",
+ help="Relative path under default cluster-wide file storage dir"
+ " to store file-based disks", default=None,
+ metavar="<DIR>"),
+ make_option("--file-driver", dest="file_driver", help="Driver to use"
+ " for image files", default="loop", metavar="<DRIVER>"),
+ make_option("-I", "--iallocator", metavar="<NAME>",
+ help="Select nodes for the instance automatically using the"
+ " <NAME> iallocator plugin", default=None, type="string"),
+ ikv_option("-H", "--hypervisor", dest="hypervisor",
+ help="Hypervisor and hypervisor options, in the format"
+ " hypervisor:option=value,option=value,...", default=None,
+ type="identkeyval"),
+ SUBMIT_OPT,
]
commands = {
'add': (AddInstance, ARGS_ONE, add_opts,
- "[opts...] <name>",
+ "[...] -t disk-type -n node[:secondary-node] -o os-type <name>",
"Creates and adds a new instance to the cluster"),
- 'add-mirror': (AddMDDRBDComponent, ARGS_ONE,
- [DEBUG_OPT, node_opt,
- make_option("-b", "--disk", dest="disk", metavar="sdX",
- help=("The name of the instance disk for which to"
- " add the mirror"))],
- "-n node -b disk <instance>",
- "Creates a new mirror for the instance"),
- 'console': (ConnectToInstanceConsole, ARGS_ONE, [DEBUG_OPT],
- "<instance>",
+ 'batch-create': (BatchCreate, ARGS_ONE,
+ [DEBUG_OPT],
+ "<instances_file.json>",
+ "Create a bunch of instances based on specs in the file."),
+ 'console': (ConnectToInstanceConsole, ARGS_ONE,
+ [DEBUG_OPT,
+ make_option("--show-cmd", dest="show_command",
+ action="store_true", default=False,
+ help=("Show command instead of executing it"))],
+ "[--show-cmd] <instance>",
"Opens a console on the specified instance"),
'failover': (FailoverInstance, ARGS_ONE,
[DEBUG_OPT, FORCE_OPT,
action="store_true", default=False,
help="Ignore the consistency of the disks on"
" the secondary"),
+ SUBMIT_OPT,
],
"[-f] <instance>",
"Stops the instance and starts it on the backup node, using"
- " the remote mirror (only for instances of type remote_raid1)"),
- 'info': (ShowInstanceConfig, ARGS_ANY, [DEBUG_OPT], "[<instance>...]",
- "Show information on the specified instance"),
- 'list': (ListInstances, ARGS_NONE,
- [DEBUG_OPT, NOHDR_OPT, SEP_OPT, USEUNITS_OPT, FIELDS_OPT],
- "", "Lists the instances and their status"),
- 'reinstall': (ReinstallInstance, ARGS_ONE, [DEBUG_OPT, FORCE_OPT, os_opt],
- "[-f] <instance>", "Reinstall the instance"),
- 'remove': (RemoveInstance, ARGS_ONE, [DEBUG_OPT, FORCE_OPT],
+ " the remote mirror (only for instances of type drbd)"),
+ 'migrate': (MigrateInstance, ARGS_ONE,
+ [DEBUG_OPT, FORCE_OPT,
+ make_option("--non-live", dest="live",
+ default=True, action="store_false",
+ help="Do a non-live migration (this usually means"
+ " freeze the instance, save the state,"
+ " transfer and only then resume running on the"
+ " secondary node)"),
+ make_option("--cleanup", dest="cleanup",
+ default=False, action="store_true",
+ help="Instead of performing the migration, try to"
+ " recover from a failed cleanup. This is safe"
+ " to run even if the instance is healthy, but it"
+ " will create extra replication traffic and "
+ " disrupt briefly the replication (like during the"
+ " migration"),
+ ],
+ "[-f] <instance>",
+ "Migrate instance to its secondary node"
+ " (only for instances of type drbd)"),
+ 'info': (ShowInstanceConfig, ARGS_ANY,
+ [DEBUG_OPT,
+ make_option("-s", "--static", dest="static",
+ action="store_true", default=False,
+ help="Only show configuration data, not runtime data"),
+ make_option("--all", dest="show_all",
+ default=False, action="store_true",
+ help="Show info on all instances on the cluster."
+ " This can take a long time to run, use wisely."),
+ ], "[-s] {--all | <instance>...}",
+ "Show information on the specified instance(s)"),
+ 'list': (ListInstances, ARGS_ANY,
+ [DEBUG_OPT, NOHDR_OPT, SEP_OPT, USEUNITS_OPT, FIELDS_OPT, SYNC_OPT],
+ "[<instance>...]",
+ "Lists the instances and their status. The available fields are"
+ " (see the man page for details): status, oper_state, oper_ram,"
+ " name, os, pnode, snodes, admin_state, admin_ram, disk_template,"
+ " ip, mac, bridge, sda_size, sdb_size, vcpus, serial_no,"
+ " hypervisor."
+ " The default field"
+ " list is (in order): %s." % ", ".join(_LIST_DEF_FIELDS),
+ ),
+ 'reinstall': (ReinstallInstance, ARGS_ANY,
+ [DEBUG_OPT, FORCE_OPT, os_opt,
+ m_force_multi,
+ m_node_opt, m_pri_node_opt, m_sec_node_opt,
+ m_clust_opt, m_inst_opt,
+ make_option("--select-os", dest="select_os",
+ action="store_true", default=False,
+ help="Interactive OS reinstall, lists available"
+ " OS templates for selection"),
+ SUBMIT_OPT,
+ ],
+ "[-f] <instance>", "Reinstall a stopped instance"),
+ 'remove': (RemoveInstance, ARGS_ONE,
+ [DEBUG_OPT, FORCE_OPT,
+ make_option("--ignore-failures", dest="ignore_failures",
+ action="store_true", default=False,
+ help=("Remove the instance from the cluster even"
+ " if there are failures during the removal"
+ " process (shutdown, disk removal, etc.)")),
+ SUBMIT_OPT,
+ ],
"[-f] <instance>", "Shuts down the instance and removes it"),
- 'remove-mirror': (RemoveMDDRBDComponent, ARGS_ONE,
- [DEBUG_OPT, node_opt,
- make_option("-b", "--disk", dest="disk", metavar="sdX",
- help=("The name of the instance disk"
- " for which to add the mirror")),
- make_option("-p", "--port", dest="port", metavar="PORT",
- help=("The port of the drbd device"
- " which to remove from the mirror"),
- type="int"),
- ],
- "-b disk -p port <instance>",
- "Removes a mirror from the instance"),
+ 'rename': (RenameInstance, ARGS_FIXED(2),
+ [DEBUG_OPT,
+ make_option("--no-ip-check", dest="ignore_ip",
+ help="Do not check that the IP of the new name"
+ " is alive",
+ default=False, action="store_true"),
+ SUBMIT_OPT,
+ ],
+ "<instance> <new_name>", "Rename the instance"),
'replace-disks': (ReplaceDisks, ARGS_ONE,
[DEBUG_OPT,
make_option("-n", "--new-secondary", dest="new_secondary",
- metavar="NODE",
- help=("New secondary node (if you want to"
- " change the secondary)"))],
- "[-n NODE] <instance>",
+ help=("New secondary node (for secondary"
+ " node change)"), metavar="NODE",
+ default=None),
+ make_option("-p", "--on-primary", dest="on_primary",
+ default=False, action="store_true",
+ help=("Replace the disk(s) on the primary"
+ " node (only for the drbd template)")),
+ make_option("-s", "--on-secondary", dest="on_secondary",
+ default=False, action="store_true",
+ help=("Replace the disk(s) on the secondary"
+ " node (only for the drbd template)")),
+ make_option("--disks", dest="disks", default=None,
+ help="Comma-separated list of disks"
+ " indices to replace (e.g. 0,2) (optional,"
+ " defaults to all disks)"),
+ make_option("-I", "--iallocator", metavar="<NAME>",
+ help="Select new secondary for the instance"
+ " automatically using the"
+ " <NAME> iallocator plugin (enables"
+ " secondary node replacement)",
+ default=None, type="string"),
+ SUBMIT_OPT,
+ ],
+ "[-s|-p|-n NODE|-I NAME] <instance>",
"Replaces all disks for the instance"),
- 'modify': (SetInstanceParms, ARGS_ONE,
+ 'modify': (SetInstanceParams, ARGS_ONE,
[DEBUG_OPT, FORCE_OPT,
- cli_option("-m", "--memory", dest="mem",
- help="Memory size",
- default=None, type="unit", metavar="<mem>"),
- make_option("-p", "--cpu", dest="vcpus",
- help="Number of virtual CPUs",
- default=None, type="int", metavar="<PROC>"),
- make_option("-i", "--ip", dest="ip",
- help="IP address ('none' or numeric IP)",
- default=None, type="string", metavar="<ADDRESS>"),
- make_option("-b", "--bridge", dest="bridge",
- help="Bridge to connect this instance to",
- default=None, type="string", metavar="<bridge>")
+ keyval_option("-H", "--hypervisor", type="keyval",
+ default={}, dest="hypervisor",
+ help="Change hypervisor parameters"),
+ keyval_option("-B", "--backend", type="keyval",
+ default={}, dest="beparams",
+ help="Change backend parameters"),
+ ikv_option("--disk", help="Disk changes",
+ default=[], dest="disks",
+ action="append",
+ type="identkeyval"),
+ ikv_option("--net", help="NIC changes",
+ default=[], dest="nics",
+ action="append",
+ type="identkeyval"),
+ SUBMIT_OPT,
],
"<instance>", "Alters the parameters of an instance"),
- 'shutdown': (ShutdownInstance, ARGS_ONE, [DEBUG_OPT],
+ 'shutdown': (ShutdownInstance, ARGS_ANY,
+ [DEBUG_OPT, m_node_opt, m_pri_node_opt, m_sec_node_opt,
+ m_clust_opt, m_inst_opt, m_force_multi,
+ SUBMIT_OPT,
+ ],
"<instance>", "Stops an instance"),
- 'startup': (StartupInstance, ARGS_ONE,
- [DEBUG_OPT, FORCE_OPT,
- make_option("-e", "--extra", dest="extra_args",
- help="Extra arguments for the instance's kernel",
- default=None, type="string", metavar="<PARAMS>"),
+ 'startup': (StartupInstance, ARGS_ANY,
+ [DEBUG_OPT, FORCE_OPT, m_force_multi,
+ m_node_opt, m_pri_node_opt, m_sec_node_opt,
+ m_clust_opt, m_inst_opt,
+ SUBMIT_OPT,
+ keyval_option("-H", "--hypervisor", type="keyval",
+ default={}, dest="hvparams",
+ help="Temporary hypervisor parameters"),
+ keyval_option("-B", "--backend", type="keyval",
+ default={}, dest="beparams",
+ help="Temporary backend parameters"),
+ ],
+ "<instance>", "Starts an instance"),
+
+ 'reboot': (RebootInstance, ARGS_ANY,
+ [DEBUG_OPT, m_force_multi,
+ make_option("-t", "--type", dest="reboot_type",
+ help="Type of reboot: soft/hard/full",
+ default=constants.INSTANCE_REBOOT_HARD,
+ type="string", metavar="<REBOOT>"),
+ make_option("--ignore-secondaries", dest="ignore_secondaries",
+ default=False, action="store_true",
+ help="Ignore errors from secondaries"),
+ m_node_opt, m_pri_node_opt, m_sec_node_opt,
+ m_clust_opt, m_inst_opt,
+ SUBMIT_OPT,
],
- "<instance>", "Starts an instance"),
- 'activate-disks': (ActivateDisks, ARGS_ONE, [DEBUG_OPT],
+ "<instance>", "Reboots an instance"),
+ 'activate-disks': (ActivateDisks, ARGS_ONE, [DEBUG_OPT, SUBMIT_OPT],
"<instance>",
"Activate an instance's disks"),
- 'deactivate-disks': (DeactivateDisks, ARGS_ONE, [DEBUG_OPT],
+ 'deactivate-disks': (DeactivateDisks, ARGS_ONE, [DEBUG_OPT, SUBMIT_OPT],
"<instance>",
"Deactivate an instance's disks"),
+ 'grow-disk': (GrowDisk, ARGS_FIXED(3),
+ [DEBUG_OPT, SUBMIT_OPT,
+ make_option("--no-wait-for-sync",
+ dest="wait_for_sync", default=True,
+ action="store_false",
+ help="Don't wait for sync (DANGEROUS!)"),
+ ],
+ "<instance> <disk> <size>", "Grow an instance's disk"),
+ 'list-tags': (ListTags, ARGS_ONE, [DEBUG_OPT],
+ "<instance_name>", "List the tags of the given instance"),
+ 'add-tags': (AddTags, ARGS_ATLEAST(1), [DEBUG_OPT, TAG_SRC_OPT],
+ "<instance_name> tag...", "Add tags to the given instance"),
+ 'remove-tags': (RemoveTags, ARGS_ATLEAST(1), [DEBUG_OPT, TAG_SRC_OPT],
+ "<instance_name> tag...", "Remove tags from given instance"),
+ }
+
+#: dictionary with aliases for commands
+aliases = {
+ 'activate_block_devs': 'activate-disks',
+ 'replace_disks': 'replace-disks',
+ 'start': 'startup',
+ 'stop': 'shutdown',
}
if __name__ == '__main__':
- sys.exit(GenericMain(commands))
+ sys.exit(GenericMain(commands, aliases=aliases,
+ override={"tag_type": constants.TAG_INSTANCE}))