from ganeti import utils
from ganeti import bootstrap
from ganeti import ssh
+from ganeti import objects
+@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
"""
if not opts.lvm_storage and opts.vg_name:
if hvlist is not None:
hvlist = hvlist.split(",")
else:
- hvlist = [constants.DEFAULT_ENABLED_HYPERVISOR]
+ hvlist = [opts.default_hypervisor]
# avoid an impossible situation
- if opts.default_hypervisor in hvlist:
- default_hypervisor = opts.default_hypervisor
- else:
- default_hypervisor = hvlist[0]
-
- hvparams = opts.hvparams
- if hvparams:
- # a list of (name, dict) we can pass directly to dict()
- hvparams = dict(opts.hvparams)
- else:
- # otherwise init as empty dict
- hvparams = {}
+ 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:
- print "Invalid backend parameter: %s" % parameter
- return 1
+ nicparams = opts.nicparams
# prepare beparams dict
- for parameter in constants.BES_PARAMETERS:
- if parameter not in beparams:
- beparams[parameter] = constants.BEC_DEFAULTS[parameter]
-
- # type wrangling
- try:
- beparams[constants.BE_VCPUS] = int(beparams[constants.BE_VCPUS])
- except ValueError:
- print "%s must be an integer" % constants.BE_VCPUS
- return 1
+ beparams = objects.FillDict(constants.BEC_DEFAULTS, beparams)
+ utils.ForceDictType(beparams, constants.BES_PARAMETER_TYPES)
- beparams[constants.BE_MEMORY] = utils.ParseUnit(beparams[constants.BE_MEMORY])
+ # prepare nicparams dict
+ nicparams = objects.FillDict(constants.NICC_DEFAULTS, nicparams)
+ utils.ForceDictType(nicparams, constants.NICS_PARAMETER_TYPES)
# prepare hvparams dict
for hv in constants.HYPER_TYPES:
if hv not in hvparams:
hvparams[hv] = {}
- for parameter in constants.HVC_DEFAULTS[hv]:
- if parameter not in hvparams[hv]:
- hvparams[hv][parameter] = constants.HVC_DEFAULTS[hv][parameter]
+ hvparams[hv] = objects.FillDict(constants.HVC_DEFAULTS[hv], hvparams[hv])
+ utils.ForceDictType(hvparams[hv], constants.HVS_PARAMETER_TYPES)
for hv in hvlist:
if hv not in constants.HYPER_TYPES:
- print "invalid hypervisor: %s" % hv
+ ToStderr("invalid hypervisor: %s", hv)
return 1
bootstrap.InitCluster(cluster_name=args[0],
master_netdev=opts.master_netdev,
file_storage_dir=opts.file_storage_dir,
enabled_hypervisors=hvlist,
- default_hypervisor=default_hypervisor,
+ default_hypervisor=opts.default_hypervisor,
hvparams=hvparams,
- beparams=beparams)
+ beparams=beparams,
+ nicparams=nicparams,
+ candidate_pool_size=opts.candidate_pool_size,
+ modify_etc_hosts=opts.modify_etc_hosts,
+ )
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:
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)
+ 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"])
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
"""
- ToStdout("%s", GetClient().QueryConfigValues(["master_node"])[0])
+ master = bootstrap.GetMaster()
+ ToStdout(master)
return 0
+def _PrintGroupedParams(paramsdict):
+ """Print Grouped parameters (be, nic, disk) by group.
+
+ @type paramsdict: dict of dicts
+ @param paramsdict: {group: {param: value, ...}, ...}
+
+ """
+ for gr_name, gr_dict in paramsdict.items():
+ ToStdout(" - %s:", gr_name)
+ for item, val in gr_dict.iteritems():
+ ToStdout(" %s: %s", item, val)
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("Enabled hypervisors: %s", ", ".join(result["enabled_hypervisors"]))
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)
+ _PrintGroupedParams(result["hvparams"])
ToStdout("Cluster 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)
+ ToStdout(" - candidate pool size: %s", result["candidate_pool_size"])
+ ToStdout(" - master netdev: %s", result["master_netdev"])
+ ToStdout(" - default bridge: %s", result["default_bridge"])
+ ToStdout(" - lvm volume group: %s", result["volume_group_name"])
+ ToStdout(" - file storage path: %s", result["file_storage_dir"])
+
+ ToStdout("Default instance parameters:")
+ _PrintGroupedParams(result["beparams"])
+
+ ToStdout("Default nic parameters:")
+ _PrintGroupedParams(result["nicparams"])
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
"""
filename = args[0]
cluster_name = cl.QueryConfigValues(["cluster_name"])[0]
- op = opcodes.OpQueryNodes(output_fields=["name"], names=opts.nodes)
- results = [row[0] for row in SubmitOpCode(op, cl=cl) if row[0] != myname]
+ 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:
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)
- op = opcodes.OpQueryNodes(output_fields=["name"], names=opts.nodes)
- nodes = [row[0] for row in SubmitOpCode(op, cl=cl)]
+
+ nodes = GetOnlineNodes(nodes=opts.nodes, cl=cl)
cluster_name, master_node = cl.QueryConfigValues(["cluster_name",
"master_node"])
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
"""
skip_checks = []
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()
if nlvm:
for node, text in nlvm.iteritems():
ToStdout("Error on node %s: LVM error: %s",
- node, text[-400:].encode('string_escape'))
+ node, utils.SafeEncode(text[-400:]))
retcode |= 1
ToStdout("You need to fix these nodes first before fixing instances")
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
+
"""
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)
def SetClusterParams(opts, args):
"""Modify 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 (not opts.lvm_storage or opts.vg_name or
opts.enabled_hypervisors or opts.hvparams or
- opts.beparams):
+ opts.beparams or opts.nicparams or
+ opts.candidate_pool_size is not None):
ToStderr("Please give at least one of the parameters.")
return 1
if not opts.lvm_storage and opts.vg_name:
ToStdout("Options --no-lvm-storage and --vg-name conflict.")
return 1
+ elif not opts.lvm_storage:
+ vg_name = ''
hvlist = opts.enabled_hypervisors
if hvlist is not None:
hvlist = hvlist.split(",")
- hvparams = opts.hvparams
- if hvparams:
- # a list of (name, dict) we can pass directly to dict()
- hvparams = dict(opts.hvparams)
+ # 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)
+
+ nicparams = opts.nicparams
+ utils.ForceDictType(nicparams, constants.NICS_PARAMETER_TYPES)
- op = opcodes.OpSetClusterParams(vg_name=opts.vg_name,
+ op = opcodes.OpSetClusterParams(vg_name=vg_name,
enabled_hypervisors=hvlist,
hvparams=hvparams,
- beparams=beparams)
+ beparams=beparams,
+ nicparams=nicparams,
+ 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()
else:
val = "unset"
ToStdout("The drain flag is %s" % val)
+ else:
+ raise errors.OpPrereqError("Command '%s' is not valid." % command)
+
return 0
# this is an option common to more than one command, so we declare
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]",
help="No support for lvm based instances"
" (cluster-wide)",
action="store_false", default=True,),
+ make_option("--no-etc-hosts", dest="modify_etc_hosts",
+ help="Don't modify /etc/hosts"
+ " (cluster-wide)",
+ action="store_false", default=True,),
make_option("--enabled-hypervisors", dest="enabled_hypervisors",
help="Comma-separated list of hypervisors",
type="string", default=None),
keyval_option("-B", "--backend-parameters", dest="beparams",
type="keyval", default={},
help="Backend parameters"),
+ keyval_option("-N", "--nic-parameters", dest="nicparams",
+ type="keyval", default={},
+ help="NIC 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"),
+ '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",
keyval_option("-B", "--backend-parameters", dest="beparams",
type="keyval", default={},
help="Backend parameters"),
+ keyval_option("-N", "--nic-parameters", dest="nicparams",
+ type="keyval", default={},
+ help="NIC 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"),
projects / ganeti-local / blobdiff