# 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
from optparse import make_option
-import pprint
+import os.path
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
+@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,
- file_storage_dir=opts.file_storage_dir)
- 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
+
+ hvlist = opts.enabled_hypervisors
+ if hvlist is not None:
+ hvlist = hvlist.split(",")
+ else:
+ hvlist = [opts.default_hypervisor]
+
+ # avoid an impossible situation
+ if opts.default_hypervisor not in hvlist:
+ ToStderr("The default hypervisor requested (%s) is not"
+ " within the enabled hypervisor list (%s)" %
+ (opts.default_hypervisor, hvlist))
+ return 1
+
+ hvparams = dict(opts.hvparams)
+
+ beparams = opts.beparams
+ # check for invalid parameters
+ for parameter in beparams:
+ if parameter not in constants.BES_PARAMETERS:
+ ToStderr("Invalid backend parameter: %s", parameter)
+ return 1
+
+ # prepare beparams dict
+ for parameter in constants.BES_PARAMETERS:
+ if parameter not in beparams:
+ beparams[parameter] = constants.BEC_DEFAULTS[parameter]
+ utils.ForceDictType(beparams, constants.BES_PARAMETER_TYPES)
+
+ # prepare hvparams dict
+ for hv in constants.HYPER_TYPES:
+ if hv not in hvparams:
+ hvparams[hv] = {}
+ for parameter in constants.HVC_DEFAULTS[hv]:
+ if parameter not in hvparams[hv]:
+ hvparams[hv][parameter] = constants.HVC_DEFAULTS[hv][parameter]
+ utils.ForceDictType(hvparams[hv], constants.HVS_PARAMETER_TYPES)
+
+ for hv in hvlist:
+ if hv not in constants.HYPER_TYPES:
+ ToStderr("invalid hypervisor: %s", hv)
+ return 1
+
+ bootstrap.InitCluster(cluster_name=args[0],
+ secondary_ip=opts.secondary_ip,
+ vg_name=vg_name,
+ mac_prefix=opts.mac_prefix,
+ def_bridge=opts.def_bridge,
+ master_netdev=opts.master_netdev,
+ file_storage_dir=opts.file_storage_dir,
+ enabled_hypervisors=hvlist,
+ default_hypervisor=opts.default_hypervisor,
+ hvparams=hvparams,
+ beparams=beparams,
+ candidate_pool_size=opts.candidate_pool_size,
+ )
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)
+ # 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]
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"])
+ ToStdout("%s", GetClient().QueryConfigValues(["master_node"])[0])
return 0
def ShowClusterConfig(opts, args):
"""Shows cluster information.
+ @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)
+ cl = GetClient()
+ result = cl.QueryClusterInfo()
+
+ ToStdout("Cluster name: %s", result["name"])
+
+ ToStdout("Master node: %s", result["master"])
+
+ ToStdout("Architecture (this node): %s (%s)",
+ result["architecture"][0], result["architecture"][1])
+
+ ToStdout("Default hypervisor: %s", result["default_hypervisor"])
+ ToStdout("Enabled hypervisors: %s", ", ".join(result["enabled_hypervisors"]))
- print ("Cluster name: %s" % result["name"])
+ ToStdout("Hypervisor parameters:")
+ for hv_name, hv_dict in result["hvparams"].items():
+ ToStdout(" - %s:", hv_name)
+ for item, val in hv_dict.iteritems():
+ ToStdout(" %s: %s", item, val)
- print ("Master node: %s" % result["master"])
+ ToStdout("Cluster parameters:")
+ ToStdout(" - candidate pool size: %s", result["candidate_pool_size"])
- print ("Architecture (this node): %s (%s)" %
- (result["architecture"][0], result["architecture"][1]))
+ ToStdout("Default instance parameters:")
+ for gr_name, gr_dict in result["beparams"].items():
+ ToStdout(" - %s:", gr_name)
+ for item, val in gr_dict.iteritems():
+ ToStdout(" %s: %s", item, val)
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)
+
+ cl = GetClient()
+
+ myname = utils.HostInfo().name
+
+ cluster_name = cl.QueryConfigValues(["cluster_name"])[0]
+
+ results = GetOnlineNodes(nodes=opts.nodes, cl=cl)
+ results = [name for name in results if name != myname]
+
+ 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)
+ if SubmitOpCode(op):
+ return 0
+ else:
+ return 1
def VerifyDisks(opts, args):
"""Verify integrity of cluster disks.
- 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.OpVerifyDisks()
result = SubmitOpCode(op)
- if not isinstance(result, tuple) or len(result) != 4:
+ if not isinstance(result, (list, tuple)) or len(result) != 4:
raise errors.ProgrammerError("Unknown result type for OpVerifyDisks")
nodes, nlvm, instances, missing = result
if nodes:
- print "Nodes unreachable or with bad data:"
+ ToStdout("Nodes unreachable or with bad data:")
for name in nodes:
- print "\t%s" % name
+ ToStdout("\t%s", name)
retcode = constants.EXIT_SUCCESS
if nlvm:
for node, text in nlvm.iteritems():
- print ("Error on node %s: LVM error: %s" %
- (node, text[-400:].encode('string_escape')))
+ ToStdout("Error on node %s: LVM error: %s",
+ node, utils.SafeEncode(text[-400:]))
retcode |= 1
- print "You need to fix these nodes first before fixing instances"
+ ToStdout("You need to fix these nodes first before fixing instances")
if instances:
for iname in instances:
continue
op = opcodes.OpActivateInstanceDisks(instance_name=iname)
try:
- print "Activating disks for instance '%s'" % iname
+ ToStdout("Activating disks for instance '%s'", iname)
SubmitOpCode(op)
except errors.GenericError, err:
nret, msg = FormatError(err)
retcode |= nret
- print >> sys.stderr, ("Error activating disks for instance %s: %s" %
- (iname, msg))
+ ToStderr("Error activating disks for instance %s: %s", iname, msg)
if missing:
for iname, ival in missing.iteritems():
all_missing = utils.all(ival, lambda x: x[0] in nlvm)
if all_missing:
- print ("Instance %s cannot be verified as it lives on"
- " broken nodes" % iname)
+ ToStdout("Instance %s cannot be verified as it lives on"
+ " broken nodes", iname)
else:
- print "Instance %s has missing logical volumes:" % iname
+ ToStdout("Instance %s has missing logical volumes:", iname)
ival.sort()
for node, vol in ival:
if node in nlvm:
- print ("\tbroken node %s /dev/xenvg/%s" % (node, vol))
+ ToStdout("\tbroken node %s /dev/xenvg/%s", node, vol)
else:
- print ("\t%s /dev/xenvg/%s" % (node, vol))
- print ("You need to run replace_disks for all the above"
+ ToStdout("\t%s /dev/xenvg/%s", node, vol)
+ ToStdout("You need to run replace_disks for all the above"
" instances, if this message persist after fixing nodes.")
retcode |= 1
return retcode
+@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
+
"""
- op = opcodes.OpMasterFailover()
- SubmitOpCode(op)
+ return bootstrap.MasterFailover()
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)
result = list(result)
result.sort()
for path, tag in result:
- print "%s %s" % (path, tag)
+ ToStdout("%s %s", path, tag)
+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
+ opts.enabled_hypervisors or opts.hvparams or
+ opts.beparams or opts.candidate_pool_size 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:
+ ToStdout("Options --no-lvm-storage and --vg-name conflict.")
+ return 1
+
+ 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, hv_params in hvparams.iteritems():
+ utils.ForceDictType(hv_params, constants.HVS_PARAMETER_TYPES)
+
+ beparams = opts.beparams
+ utils.ForceDictType(beparams, constants.BES_PARAMETER_TYPES)
+
+ op = opcodes.OpSetClusterParams(vg_name=opts.vg_name,
+ enabled_hypervisors=hvlist,
+ hvparams=hvparams,
+ beparams=beparams,
+ candidate_pool_size=opts.candidate_pool_size)
+ SubmitOpCode(op)
+ 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
+
+ """
+ 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)
+ 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",
" 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, xen-hvm-3.1)",
- metavar="TYPE", choices=["xen-3.0",
- "fake",
- "xen-hvm-3.1"],
- 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",),
+ default=constants.DEFAULT_MAC_PREFIX,),
make_option("-g", "--vg-name", dest="vg_name",
help="Specify the volume group name "
" (cluster-wide) for disk allocation [xenvg]",
metavar="VG",
- default="xenvg",),
+ default=None,),
make_option("-b", "--bridge", dest="def_bridge",
help="Specify the default bridge name (cluster-wide)"
" to connect the instances to [%s]" %
constants.DEFAULT_FILE_STORAGE_DIR,
metavar="DIR",
default=constants.DEFAULT_FILE_STORAGE_DIR,),
+ make_option("--no-lvm-storage", dest="lvm_storage",
+ help="No support for lvm based instances"
+ " (cluster-wide)",
+ action="store_false", default=True,),
+ make_option("--enabled-hypervisors", dest="enabled_hypervisors",
+ help="Comma-separated list of hypervisors",
+ type="string", default=None),
+ make_option("-t", "--default-hypervisor",
+ dest="default_hypervisor",
+ help="Default hypervisor to use for instance creation",
+ choices=list(constants.HYPER_TYPES),
+ default=constants.DEFAULT_ENABLED_HYPERVISOR),
+ ikv_option("-H", "--hypervisor-parameters", dest="hvparams",
+ help="Hypervisor and hypervisor options, in the"
+ " format"
+ " hypervisor:option=value,option=value,...",
+ default=[],
+ action="append",
+ type="identkeyval"),
+ keyval_option("-B", "--backend-parameters", dest="beparams",
+ type="keyval", default={},
+ help="Backend parameters"),
+ make_option("-C", "--candidate-pool-size",
+ default=constants.MASTER_POOL_SIZE_DEFAULT,
+ help="Set the candidate pool size",
+ dest="candidate_pool_size", type="int"),
],
"[opts...] <cluster_name>",
"Initialises a new cluster configuration"),
'rename': (RenameCluster, ARGS_ONE, [DEBUG_OPT, FORCE_OPT],
"<new_name>",
"Renames the cluster"),
- 'verify': (VerifyCluster, ARGS_NONE, [DEBUG_OPT],
+ 'redist-conf': (RedistributeConfig, ARGS_NONE, [DEBUG_OPT, SUBMIT_OPT],
+ "",
+ "Forces a push of the configuration file and ssconf files"
+ " to the nodes in the cluster"),
+ 'verify': (VerifyCluster, ARGS_NONE, [DEBUG_OPT,
+ make_option("--no-nplus1-mem", dest="skip_nplusone_mem",
+ help="Skip N+1 memory redundancy tests",
+ action="store_true",
+ default=False,),
+ ],
"", "Does a check on the cluster configuration"),
'verify-disks': (VerifyDisks, ARGS_NONE, [DEBUG_OPT],
"", "Does a check on the cluster disk status"),
'search-tags': (SearchTags, ARGS_ONE,
[DEBUG_OPT], "", "Searches the tags on all objects on"
" the cluster for a given pattern (regex)"),
+ 'queue': (QueueOps, ARGS_ONE, [DEBUG_OPT],
+ "drain|undrain|info", "Change queue properties"),
+ 'modify': (SetClusterParams, ARGS_NONE,
+ [DEBUG_OPT,
+ make_option("-g", "--vg-name", dest="vg_name",
+ help="Specify the volume group name "
+ " (cluster-wide) for disk allocation "
+ "and enable lvm based storage",
+ metavar="VG",),
+ make_option("--no-lvm-storage", dest="lvm_storage",
+ help="Disable support for lvm based instances"
+ " (cluster-wide)",
+ action="store_false", default=True,),
+ make_option("--enabled-hypervisors", dest="enabled_hypervisors",
+ help="Comma-separated list of hypervisors",
+ type="string", default=None),
+ ikv_option("-H", "--hypervisor-parameters", dest="hvparams",
+ help="Hypervisor and hypervisor options, in the"
+ " format"
+ " hypervisor:option=value,option=value,...",
+ default=[],
+ action="append",
+ type="identkeyval"),
+ keyval_option("-B", "--backend-parameters", dest="beparams",
+ type="keyval", default={},
+ help="Backend parameters"),
+ make_option("-C", "--candidate-pool-size", default=None,
+ help="Set the candidate pool size",
+ dest="candidate_pool_size", type="int"),
+ ],
+ "[opts...]",
+ "Alters the parameters of the cluster"),
}
if __name__ == '__main__':
projects / ganeti-local / blobdiff