def undefine(self, specname=None, all=False):
specs = set()
if all:
for spec in db.select(SPECIFICATION, type='cluster'):
specs.add(spec)
try:
spec = db.select(SPECIFICATION, type='cluster', name=specname or Default.active_specification)[0]
specs.add(spec)
except IndexError:
pass
for spec in specs:
try:
cluster = db.select(Cluster, specId=spec.cm_id)[0]
Console.warning('Cannot undefine allocated cluster {}.'.format(cluster.name))
Console.warning('Please delete the cluster first')
continue
except IndexError:
pass
db.delete_(SPECIFICATION, cm_id = spec.cm_id)
Console.ok('Undefined specification {}'.format(spec.name))
try:
spec = db.select(SPECIFICATION, type='cluster')[0]
Default.set_specification(spec.name)
except IndexError:
pass
def define(self, clustername=None, **kwargs):
"""Define a cluster.
kwargs are passed to Cluster
:returns: a cluster
:rtype: :class:`Cluster`
"""
clustername = clustername or Default.generate_name(Names.CLUSTER_COUNTER)
# remove None to defer default definitions to later
for k in kwargs.keys():
if kwargs[k] is None:
del kwargs[k]
try:
spec = db.select(SPECIFICATION, name=clustername, type='cluster')[0]
spec.update(kwargs)
db.updateObj(spec)
except IndexError:
spec = SPECIFICATION(clustername, 'cluster', kwargs)
db.insert(spec)
Default.set_specification(clustername)
Console.ok('Defined cluster {}'.format(clustername))
def undefine(self, specname=None, all=False):
specs = set()
if all:
for spec in db.select(SPECIFICATION, type='cluster'):
specs.add(spec)
try:
spec = db.select(SPECIFICATION,
type='cluster',
name=specname or Default.active_specification)[0]
specs.add(spec)
except IndexError:
pass
for spec in specs:
try:
cluster = db.select(Cluster, specId=spec.cm_id)[0]
Console.warning('Cannot undefine allocated cluster {}.'.format(
cluster.name))
Console.warning('Please delete the cluster first')
continue
except IndexError:
pass
db.delete_(SPECIFICATION, cm_id=spec.cm_id)
Console.ok('Undefined specification {}'.format(spec.name))
try:
spec = db.select(SPECIFICATION, type='cluster')[0]
Default.set_specification(spec.name)
except IndexError:
pass
def define(self, clustername=None, **kwargs):
"""Define a cluster.
kwargs are passed to Cluster
:returns: a cluster
:rtype: :class:`Cluster`
"""
clustername = clustername or Default.generate_name(
Names.CLUSTER_COUNTER)
# remove None to defer default definitions to later
for k in kwargs.keys():
if kwargs[k] is None:
del kwargs[k]
try:
spec = db.select(SPECIFICATION, name=clustername,
type='cluster')[0]
spec.update(kwargs)
db.updateObj(spec)
except IndexError:
spec = SPECIFICATION(clustername, 'cluster', kwargs)
db.insert(spec)
Default.set_specification(clustername)
Console.ok('Defined cluster {}'.format(clustername))
def use(self, specname):
"""Activate the given specification
:param specname: namne of the specification
"""
spec = db.select(SPECIFICATION, type='cluster', name=specname)[0]
Default.set_specification(spec.name)
Default.set_cluster(spec.name)
def use(self, specname):
"""Activate the given specification
:param specname: namne of the specification
"""
spec = db.select(SPECIFICATION, type='cluster', name=specname)[0]
Default.set_specification(spec.name)
Default.set_cluster(spec.name)