def _start(options, config):
"""Start Fabric server.
"""
# Remove temporary defaults file, which migh have left behind
# by former runs of Fabric.
_backup.cleanup_temp_defaults_files()
#Configure TTL
_setup_ttl(config)
# Configure modules that are not dynamic loaded.
_server.configure(config)
_error_log.configure(config)
_failure_detector.configure(config)
# Load information on all providers.
providers.find_providers()
# Load all services into the service manager
_services.ServiceManager().load_services(options, config)
# Initilize the state store.
_persistence.init_thread()
# Check the maximum number of threads.
_utils.check_number_threads()
# Configure Fabric Node.
fabric = FabricNode()
reported = _utils.get_time()
_LOGGER.info(
"Fabric node version (%s) started. ",
fabric.version,
extra={
'subject' : str(fabric.uuid),
'category' : MySQLHandler.NODE,
'type' : MySQLHandler.START,
'reported' : reported
}
)
fabric.startup = reported
# Start the executor, failure detector and then service manager. In this
# scenario, the recovery is sequentially executed after starting the
# executor and before starting the service manager.
_events.Handler().start()
_recovery.recovery()
_failure_detector.FailureDetector.register_groups()
_services.ServiceManager().start()
def _start(options, config):
"""Start Fabric server.
"""
# Remove temporary defaults file, which migh have left behind
# by former runs of Fabric.
_backup.cleanup_temp_defaults_files()
#Configure TTL
_setup_ttl(config)
# Configure modules that are not dynamic loaded.
_server.configure(config)
_error_log.configure(config)
_failure_detector.configure(config)
# Load information on all providers.
providers.find_providers()
# Load all services into the service manager
_services.ServiceManager().load_services(options, config)
# Initilize the state store.
_persistence.init_thread()
# Check the maximum number of threads.
_utils.check_number_threads()
# Configure Fabric Node.
fabric = FabricNode()
reported = _utils.get_time()
_LOGGER.info("Fabric node version (%s) started. ",
fabric.version,
extra={
'subject': str(fabric.uuid),
'category': MySQLHandler.NODE,
'type': MySQLHandler.START,
'reported': reported
})
fabric.startup = reported
# Start the executor, failure detector and then service manager. In this
# scenario, the recovery is sequentially executed after starting the
# executor and before starting the service manager.
_events.Handler().start()
_recovery.recovery()
_failure_detector.FailureDetector.register_groups()
_services.ServiceManager().start()
def test_statistics_node(self):
"""Test node view.
"""
# Check statistics on Fabric node.
res = self.proxy.statistics.node()
fabric = FabricNode()
self.check_xmlrpc_simple(res, {
'node_startup': str(fabric.startup),
},
rowcount=1)
def _start(options, config):
"""Start Fabric server.
"""
# Configure modules that are not dynamic loaded.
_server.configure(config)
_error_log.configure(config)
_failure_detector.configure(config)
# Load all services into the service manager
_services.ServiceManager().load_services(options, config)
# Initilize the state store.
_persistence.init_thread()
# Check the maximum number of threads.
_utils.check_number_threads()
# Configure Fabric Node.
fabric = FabricNode()
reported = _utils.get_time()
_LOGGER.info(
"Fabric node starting.",
extra={
'subject' : str(fabric.uuid),
'category' : MySQLHandler.NODE,
'type' : MySQLHandler.START,
'reported' : reported
}
)
fabric.startup = reported
# Start the executor, failure detector and then service manager. In this
# scenario, the recovery is sequentially executed after starting the
# executor and before starting the service manager.
_events.Handler().start()
_recovery.recovery()
_failure_detector.FailureDetector.register_groups()
_services.ServiceManager().start()
def execute(self):
"""Statistics on the Fabric node.
It returns information on the Fabric node, specifically a list with
the following fileds: node identification, how long it is running,
when it was started.
"""
fabric = FabricNode()
node_id = fabric.uuid
node_startup = fabric.startup
node_uptime = _utils.get_time() - node_startup
rset = ResultSet(names=('node_id', 'node_uptime', 'node_startup'),
types=(str, str, str))
rset.append_row([node_id, node_uptime, node_startup])
return CommandResult(None, results=rset)
def _preprocess_filters(generic_filters, meta_filters):
"""Process filters.
"""
if generic_filters:
generic_filters = _kv_to_dict(generic_filters)
else:
generic_filters = {}
if meta_filters:
meta_filters = _kv_to_dict(meta_filters)
else:
meta_filters = {}
for filters in (generic_filters, meta_filters):
if any([key in reserved_meta for key in filters.iterkeys()]):
raise _errors.ConfigurationError(
"The filters option cannot have key words in the following "
"list: %s. They are reserved for internal use." %
(str(reserved_meta), ))
meta_filters['mysql-fabric-group'] = str(FabricNode().group_uuid)
return generic_filters, meta_filters
def _preprocess_parameters(parameters, machine_group_uuid, provider):
"""Process paramaters.
"""
# Check whether all parameters are expected.
for key, value in parameters.items():
if key not in VALID_PARAMETERS and (value is not None and value):
raise MachineError(
"Parameter (%s) is not in the set of possible parameters: %s.",
key, VALID_PARAMETERS)
elif key not in VALID_PARAMETERS:
del parameters[key]
# 1. Put image parameter in the appropriate format.
if parameters['image']:
parameters['image'] = kv_to_dict(parameters['image'])
elif provider.default_image:
parameters['image'] = {'name': provider.default_image}
if not parameters['image']:
raise MachineError("No valid image hasn't been found.")
# 2. Put flavor parameter in the appropriate format.
if parameters['flavor']:
parameters['flavor'] = kv_to_dict(parameters['flavor'])
elif provider.default_flavor:
parameters['flavor'] = {'name': provider.default_flavor}
if not parameters['flavor']:
raise MachineError("No valid flavor hasn't been found.")
# 3. Check the parameter number_machines.
number_machines = parameters['number_machines']
try:
number_machines = int(number_machines)
parameters['number_machines'] = number_machines
except TypeError:
number_machines = 1
parameters['number_machines'] = number_machines
if number_machines <= 0:
raise MachineError(
"Number of machines must be greater than zero (%s)." %
(number_machines, ))
# 4. We don't need to check the availability_zone parameter
# 5. We don't need to check the parameter key_name parameter.
# 6. Put the security_groups parameter in the appropriate format.
if parameters['security_groups']:
security_groups = parameters['security_groups'].split(',')
parameters['security_groups'] = security_groups
# 7. Check the private_newtwork parameter.
private_nics = parameters['private_nics']
private_network = parameters['private_network']
if private_network and private_nics:
raise ConfigurationError(
"Can't define both private_network (%s) and private_nics "
"parameters (%s)." % (private_network, private_nics))
# 8. Check the public_newtwork parameter.
public_nics = parameters['public_nics']
public_network = parameters['public_network']
if public_network and public_nics:
raise ConfigurationError(
"Can't define both public_network (%s) and public_nics "
"parameters (%s)." % (public_network, public_nics))
# 9. Read userdata parameter which must be a path to a file.
if parameters['userdata']:
try:
src = parameters['userdata']
userdata = open(src)
except IOError as error:
raise ConfigurationError("Can't open '%(src)s': %(exc)s" % {
'src': src,
'exc': error
})
parameters['userdata'] = userdata
# 10. We don't need to check the swap parameter
# 11. Put the block_device parameter in the appropriate format.
if parameters['block_device']:
raise ConfigurationError(
"Parameter block_device is not supported yet.")
# 12. Put the scheduler_hints parameter in the appropriate format.
if parameters['scheduler_hints']:
parameters['scheduler_hints'] = \
kv_to_dict(parameters['scheduler_hints'])
# 13. Put the private_nics parameter in the appropriate format.
if parameters['private_nics']:
raise ConfigurationError(
"Parameter private_nics is not supported yet.")
# 14. Put the public_nics parameter in the appropriate format.
if parameters['public_nics']:
raise ConfigurationError("Parameter public_nics is not supported yet.")
# 15. Put meta parameter in the appropriate format.
reserved_value = ('True',
str(FabricNode().version), str(FabricNode().uuid),
str(FabricNode().group_uuid), machine_group_uuid)
assert len(reserved_meta) == len(reserved_value)
if parameters['meta']:
parameters['meta'] = kv_to_dict(parameters['meta'])
if any(key in reserved_meta for key in parameters['meta'].iterkeys()):
raise ConfigurationError(
"The meta parameter cannot have keywords in the following "
"list: %s. They are reserved for internal use." %
(str(reserved_meta), ))
else:
parameters['meta'] = {}
meta = dict(zip(reserved_meta, reserved_value))
parameters['meta'].update(meta)
