def convert_to_explicit(spec: ServiceSpec) -> None:
existing_daemons = self.mgr.cache.get_daemons_by_service(spec.service_name())
placements, to_add, to_remove = HostAssignment(
spec=spec,
hosts=self.mgr.inventory.all_specs(),
unreachable_hosts=self.mgr.cache.get_unreachable_hosts(),
daemons=existing_daemons,
).place()
# We have to migrate, only if the new scheduler would remove daemons
if len(placements) >= len(existing_daemons):
return
def to_hostname(d: DaemonDescription) -> HostPlacementSpec:
if d.hostname in old_hosts:
return old_hosts[d.hostname]
else:
assert d.hostname
return HostPlacementSpec(d.hostname, '', '')
old_hosts = {h.hostname: h for h in spec.placement.hosts}
new_hosts = [to_hostname(d) for d in existing_daemons]
new_placement = PlacementSpec(
hosts=new_hosts,
count=spec.placement.count
)
new_spec = ServiceSpec.from_json(spec.to_json())
new_spec.placement = new_placement
logger.info(f"Migrating {spec.one_line_str()} to explicit placement")
self.mgr.spec_store.save(new_spec)
def convert_to_explicit(spec: ServiceSpec) -> None:
placements = HostAssignment(spec=spec,
get_hosts_func=self.mgr._get_hosts,
get_daemons_func=self.mgr.cache.
get_daemons_by_service).place()
existing_daemons = self.mgr.cache.get_daemons_by_service(
spec.service_name())
# We have to migrate, only if the new scheduler would remove daemons
if len(placements) >= len(existing_daemons):
return
old_hosts = {h.hostname: h for h in spec.placement.hosts}
new_hosts = [
old_hosts[d.hostname] if d.hostname in old_hosts else
HostPlacementSpec(hostname=d.hostname, network='', name='')
for d in existing_daemons
]
new_placement = PlacementSpec(hosts=new_hosts,
count=spec.placement.count)
new_spec = ServiceSpec.from_json(spec.to_json())
new_spec.placement = new_placement
logger.info(
f"Migrating {spec.one_line_str()} to explicit placement")
self.mgr.spec_store.save(new_spec)
def test_daemon_add(self, spec: ServiceSpec, meth, cephadm_module):
unmanaged_spec = ServiceSpec.from_json(spec.to_json())
unmanaged_spec.unmanaged = True
with with_host(cephadm_module, 'test'):
with with_service(cephadm_module, unmanaged_spec):
with with_daemon(cephadm_module, spec, meth, 'test'):
pass
def save(self, spec: ServiceSpec, update_create: bool = True) -> None:
name = spec.service_name()
if spec.preview_only:
self.spec_preview[name] = spec
return None
self._specs[name] = spec
if update_create:
self.spec_created[name] = datetime_now()
data = {
'spec': spec.to_json(),
'created': datetime_to_str(self.spec_created[name]),
}
if name in self.spec_deleted:
data['deleted'] = datetime_to_str(self.spec_deleted[name])
self.mgr.set_store(
SPEC_STORE_PREFIX + name,
json.dumps(data, sort_keys=True),
)
self.mgr.events.for_service(spec, OrchestratorEvent.INFO,
'service was created')
