def do_weak_bond(self, context, *nodes):
'''
Create a 'weak' colocation:
Colocating a non-sequential resource set with
a dummy resource which is not monitored creates,
in effect, a colocation which does not imply any
internal relationship between resources.
'''
if len(nodes) < 2:
context.fatal_error("Need at least two arguments")
for node in nodes:
obj = cib_factory.find_object(node)
if not obj:
context.fatal_error("Object not found: %s" % (node))
if not xmlutil.is_primitive(obj.node):
context.fatal_error("Object not primitive: %s" % (node))
constraint_name = self.make_unique_name('place-constraint-')
dummy_name = self.make_unique_name('place-dummy-')
print "Create weak bond / independent colocation"
print "The following elements will be created:"
print " * Colocation constraint, ID: %s" % (constraint_name)
print " * Dummy resource, ID: %s" % (dummy_name)
if not utils.can_ask() or utils.ask("Create resources?"):
cib_factory.create_object('primitive', dummy_name,
'ocf:heartbeat:Dummy')
colo = ['colocation', constraint_name, 'inf:', '(']
colo.extend(nodes)
colo.append(')')
colo.append(dummy_name)
cib_factory.create_object(*colo)
def do_weak_bond(self, context, *nodes):
'''
Create a 'weak' colocation:
Colocating a non-sequential resource set with
a dummy resource which is not monitored creates,
in effect, a colocation which does not imply any
internal relationship between resources.
'''
if len(nodes) < 2:
context.fatal_error("Need at least two arguments")
for node in nodes:
obj = cib_factory.find_object(node)
if not obj:
context.fatal_error("Object not found: %s" % (node))
if not xmlutil.is_primitive(obj.node):
context.fatal_error("Object not primitive: %s" % (node))
constraint_name = self.make_unique_name('place-constraint-')
dummy_name = self.make_unique_name('place-dummy-')
print "Create weak bond / independent colocation"
print "The following elements will be created:"
print " * Colocation constraint, ID: %s" % (constraint_name)
print " * Dummy resource, ID: %s" % (dummy_name)
if not utils.can_ask() or utils.ask("Create resources?"):
cib_factory.create_object('primitive', dummy_name, 'ocf:heartbeat:Dummy')
colo = ['colocation', constraint_name, 'inf:', '(']
colo.extend(nodes)
colo.append(')')
colo.append(dummy_name)
cib_factory.create_object(*colo)
def _template_primitives(self, context, primitives):
"""
Try to template the given primitives:
Templating means creating a rsc_template and moving
shared attributes and other commonalities into that template
(this second step is currently not available)
"""
shared_template = None
if all('template' in obj.node.attrib for obj in primitives):
return True
if len(set(xmlutil.mk_rsc_type(obj.node) for obj in primitives)) != 1:
context.fatal_error("Cannot template the given primitives")
node = primitives[0].node
template_name = self.make_unique_name('template-%s-' % (node.get('type').lower()))
shared_template = cib_factory.create_object('rsc_template', template_name,
xmlutil.mk_rsc_type(node))
if not shared_template:
context.fatal_error("Error creating template")
for obj in primitives:
obj.node.set('template', template_name)
rmattrs(obj.node, 'class', 'provider', 'type')
obj.set_updated()
if not self._pull_attributes(context, shared_template, primitives):
context.fatal_error("Error when copying attributes into template")
context.info("Template created: %s" % (template_name))
return True
def _template_primitives(self, context, primitives):
"""
Try to template the given primitives:
Templating means creating a rsc_template and moving
shared attributes and other commonalities into that template
(this second step is currently not available)
"""
shared_template = None
if all('template' in obj.node.attrib for obj in primitives):
return True
if len(set(xmlutil.mk_rsc_type(obj.node) for obj in primitives)) != 1:
context.fatal_error("Cannot template the given primitives")
node = primitives[0].node
template_name = self.make_unique_name('template-%s-' %
(node.get('type').lower()))
shared_template = cib_factory.create_object('rsc_template',
template_name,
xmlutil.mk_rsc_type(node))
if not shared_template:
context.fatal_error("Error creating template")
for obj in primitives:
obj.node.set('template', template_name)
rmattrs(obj.node, 'class', 'provider', 'type')
obj.set_updated()
if not self._pull_attributes(context, shared_template, primitives):
context.fatal_error("Error when copying attributes into template")
context.info("Template created: %s" % (template_name))
return True
def __conf_object(self, cmd, *args):
"The configure object command."
if cmd in constants.cib_cli_map.values() and \
not cib_factory.is_elem_supported(cmd):
common_err("%s not supported by the RNG schema" % cmd)
return False
return cib_factory.create_object(cmd, *args)
def __conf_object(self, cmd, *args):
"The configure object command."
if cmd in constants.cib_cli_map.values() and \
not cib_factory.is_elem_supported(cmd):
common_err("%s not supported by the RNG schema" % cmd)
return False
return cib_factory.create_object(cmd, *args)
def _onoff(self, resource, onoff):
if resource is not None:
return utils.ext_cmd(self.rsc_maintenance % (resource, onoff)) == 0
else:
return cib_factory.create_object('property', 'maintenance-mode=%s' % (onoff))
def _onoff(self, resource, onoff):
if resource is not None:
return utils.ext_cmd(self.rsc_maintenance % (resource, onoff)) == 0
else:
return cib_factory.create_object('property',
'maintenance-mode=%s' % (onoff))