def _apply_prometheus(self, num=None, label=None, hosts=[]):
# type: (Optional[int], Optional[str], List[str]) -> HandleCommandResult
spec = orchestrator.ServiceSpec(placement=orchestrator.PlacementSpec(
label=label, hosts=hosts, count=num), )
completion = self.apply_prometheus(spec)
self._orchestrator_wait([completion])
return HandleCommandResult(stdout=completion.result_str())
def _apply_rbd_mirror(self, num, label=None, hosts=[]):
spec = orchestrator.ServiceSpec(placement=orchestrator.PlacementSpec(
hosts=hosts, count=num, label=label))
completion = self.apply_rbd_mirror(spec)
self._orchestrator_wait([completion])
orchestrator.raise_if_exception(completion)
return HandleCommandResult(stdout=completion.result_str())
def _daemon_add_mgr(self, num=None, hosts=None):
spec = orchestrator.ServiceSpec(
placement=orchestrator.PlacementSpec(hosts=hosts, count=num))
completion = self.add_mgr(spec)
self._orchestrator_wait([completion])
orchestrator.raise_if_exception(completion)
return HandleCommandResult(stdout=completion.result_str())
def _update_mgrs(self, num=None, hosts=[], label=None):
placement = orchestrator.PlacementSpec(label=label, count=num, hosts=hosts)
placement.validate()
spec = orchestrator.ServiceSpec(placement=placement)
completion = self.update_mgrs(spec)
self._orchestrator_wait([completion])
orchestrator.raise_if_exception(completion)
return HandleCommandResult(stdout=completion.result_str())
def _update_mons(self, num=None, hosts=[], label=None):
if not num and not hosts and not label:
# Improve Error message. Point to parse_host_spec examples
raise orchestrator.OrchestratorValidationError("Mons need a placement spec. (num, host, network, name(opt))")
placement = orchestrator.PlacementSpec(label=label, count=num, hosts=hosts)
placement.validate()
spec = orchestrator.ServiceSpec(placement=placement)
completion = self.update_mons(spec)
self._orchestrator_wait([completion])
orchestrator.raise_if_exception(completion)
return HandleCommandResult(stdout=completion.result_str())
def create_mds(mgr, fs_name, placement):
spec = orchestrator.ServiceSpec(fs_name, orchestrator.PlacementSpec.from_strings(placement.split()))
try:
completion = mgr.apply_mds(spec)
mgr._orchestrator_wait([completion])
orchestrator.raise_if_exception(completion)
except (ImportError, orchestrator.OrchestratorError):
return 0, "", "Volume created successfully (no MDS daemons created)"
except Exception as e:
# Don't let detailed orchestrator exceptions (python backtraces)
# bubble out to the user
log.exception("Failed to create MDS daemons")
return -errno.EINVAL, "", str(e)
return 0, "", ""
