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
"""
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]
+ 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 = opts.hvparams
if hvparams:
# check for invalid parameters
for parameter in beparams:
if parameter not in constants.BES_PARAMETERS:
- print "Invalid backend parameter: %s" % parameter
+ ToStderr("Invalid backend parameter: %s", parameter)
return 1
# prepare beparams dict
try:
beparams[constants.BE_VCPUS] = int(beparams[constants.BE_VCPUS])
except ValueError:
- print "%s must be an integer" % constants.BE_VCPUS
+ ToStderr("%s must be an integer", constants.BE_VCPUS)
return 1
- beparams[constants.BE_MEMORY] = utils.ParseUnit(beparams[constants.BE_MEMORY])
+ if not isinstance(beparams[constants.BE_MEMORY], int):
+ beparams[constants.BE_MEMORY] = utils.ParseUnit(
+ beparams[constants.BE_MEMORY])
# prepare hvparams dict
for hv in constants.HYPER_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,
+ 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:
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.OpRedistributeConf()
+ 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()
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])
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)
ToStdout(" %s: %s", item, val)
ToStdout("Cluster parameters:")
+ ToStdout(" - candidate pool size: %s", result["candidate_pool_size"])
+
+ ToStdout("Default instance parameters:")
for gr_name, gr_dict in result["beparams"].items():
ToStdout(" - %s:", gr_name)
for item, val in gr_dict.iteritems():
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()
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.candidate_pool_size is not None):
ToStderr("Please give at least one of the parameters.")
return 1
op = opcodes.OpSetClusterParams(vg_name=opts.vg_name,
enabled_hypervisors=hvlist,
hvparams=hvparams,
- beparams=beparams)
+ 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()
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"),
+ '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"),
+ 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"),