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# -*- coding: utf-8 -*-
from __future__ import absolute_import
import logging
from functools import wraps
from typing import Any, Dict, List, Optional
from ceph.deployment.service_spec import ServiceSpec
from orchestrator import DaemonDescription, DeviceLightLoc, HostSpec, \
InventoryFilter, OrchestratorClientMixin, OrchestratorError, OrchResult, \
ServiceDescription, raise_if_exception
from .. import mgr
logger = logging.getLogger('orchestrator')
# pylint: disable=abstract-method
class OrchestratorAPI(OrchestratorClientMixin):
def __init__(self):
super(OrchestratorAPI, self).__init__()
self.set_mgr(mgr) # type: ignore
def status(self):
try:
status, message, _module_details = super().available()
logger.info("is orchestrator available: %s, %s", status, message)
return dict(available=status, message=message)
except (RuntimeError, OrchestratorError, ImportError) as e:
return dict(
available=False,
message='Orchestrator is unavailable: {}'.format(str(e)))
def wait_api_result(method):
@wraps(method)
def inner(self, *args, **kwargs):
completion = method(self, *args, **kwargs)
raise_if_exception(completion)
return completion.result
return inner
class ResourceManager(object):
def __init__(self, api):
self.api = api
class HostManger(ResourceManager):
@wait_api_result
def list(self) -> List[HostSpec]:
return self.api.get_hosts()
@wait_api_result
def enter_maintenance(self, hostname: str, force: bool = False):
return self.api.enter_host_maintenance(hostname, force)
@wait_api_result
def exit_maintenance(self, hostname: str):
return self.api.exit_host_maintenance(hostname)
def get(self, hostname: str) -> Optional[HostSpec]:
hosts = [host for host in self.list() if host.hostname == hostname]
return hosts[0] if hosts else None
@wait_api_result
def add(self, hostname: str, addr: str, labels: List[str]):
return self.api.add_host(HostSpec(hostname, addr=addr, labels=labels))
@wait_api_result
def get_facts(self, hostname: Optional[str] = None) -> List[Dict[str, Any]]:
return self.api.get_facts(hostname)
@wait_api_result
def remove(self, hostname: str):
return self.api.remove_host(hostname)
@wait_api_result
def add_label(self, host: str, label: str) -> OrchResult[str]:
return self.api.add_host_label(host, label)
@wait_api_result
def remove_label(self, host: str, label: str) -> OrchResult[str]:
return self.api.remove_host_label(host, label)
@wait_api_result
def drain(self, hostname: str):
return self.api.drain_host(hostname)
class InventoryManager(ResourceManager):
@wait_api_result
def list(self, hosts=None, refresh=False):
host_filter = InventoryFilter(hosts=hosts) if hosts else None
return self.api.get_inventory(host_filter=host_filter, refresh=refresh)
class ServiceManager(ResourceManager):
@wait_api_result
def list(self,
service_type: Optional[str] = None,
service_name: Optional[str] = None) -> List[ServiceDescription]:
return self.api.describe_service(service_type, service_name)
@wait_api_result
def get(self, service_name: str) -> ServiceDescription:
return self.api.describe_service(None, service_name)
@wait_api_result
def list_daemons(self,
service_name: Optional[str] = None,
daemon_type: Optional[str] = None,
hostname: Optional[str] = None) -> List[DaemonDescription]:
return self.api.list_daemons(service_name=service_name,
daemon_type=daemon_type,
host=hostname)
def reload(self, service_type, service_ids):
if not isinstance(service_ids, list):
service_ids = [service_ids]
completion_list = [
self.api.service_action('reload', service_type, service_name,
service_id)
for service_name, service_id in service_ids
]
self.api.orchestrator_wait(completion_list)
for c in completion_list:
raise_if_exception(c)
@wait_api_result
def apply(self,
service_spec: Dict,
no_overwrite: Optional[bool] = False) -> OrchResult[List[str]]:
spec = ServiceSpec.from_json(service_spec)
return self.api.apply([spec], no_overwrite)
@wait_api_result
def remove(self, service_name: str) -> List[str]:
return self.api.remove_service(service_name)
class OsdManager(ResourceManager):
@wait_api_result
def create(self, drive_group_specs):
return self.api.apply_drivegroups(drive_group_specs)
@wait_api_result
def remove(self, osd_ids, replace=False, force=False):
return self.api.remove_osds(osd_ids, replace, force)
@wait_api_result
def removing_status(self):
return self.api.remove_osds_status()
class DaemonManager(ResourceManager):
@wait_api_result
def action(self, daemon_name='', action='', image=None):
return self.api.daemon_action(daemon_name=daemon_name, action=action, image=image)
class OrchClient(object):
_instance = None
@classmethod
def instance(cls):
# type: () -> OrchClient
if cls._instance is None:
cls._instance = cls()
return cls._instance
def __init__(self):
self.api = OrchestratorAPI()
self.hosts = HostManger(self.api)
self.inventory = InventoryManager(self.api)
self.services = ServiceManager(self.api)
self.osds = OsdManager(self.api)
self.daemons = DaemonManager(self.api)
def available(self, features: Optional[List[str]] = None) -> bool:
available = self.status()['available']
if available and features is not None:
return not self.get_missing_features(features)
return available
def status(self) -> Dict[str, Any]:
status = self.api.status()
status['features'] = {}
if status['available']:
status['features'] = self.api.get_feature_set()
return status
def get_missing_features(self, features: List[str]) -> List[str]:
supported_features = {k for k, v in self.api.get_feature_set().items() if v['available']}
return list(set(features) - supported_features)
@wait_api_result
def blink_device_light(self, hostname, device, ident_fault, on):
# type: (str, str, str, bool) -> OrchResult[List[str]]
return self.api.blink_device_light(
ident_fault, on, [DeviceLightLoc(hostname, device, device)])
class OrchFeature(object):
HOST_LIST = 'get_hosts'
HOST_ADD = 'add_host'
HOST_REMOVE = 'remove_host'
HOST_LABEL_ADD = 'add_host_label'
HOST_LABEL_REMOVE = 'remove_host_label'
HOST_MAINTENANCE_ENTER = 'enter_host_maintenance'
HOST_MAINTENANCE_EXIT = 'exit_host_maintenance'
HOST_DRAIN = 'drain_host'
SERVICE_LIST = 'describe_service'
SERVICE_CREATE = 'apply'
SERVICE_EDIT = 'apply'
SERVICE_DELETE = 'remove_service'
SERVICE_RELOAD = 'service_action'
DAEMON_LIST = 'list_daemons'
OSD_GET_REMOVE_STATUS = 'remove_osds_status'
OSD_CREATE = 'apply_drivegroups'
OSD_DELETE = 'remove_osds'
DEVICE_LIST = 'get_inventory'
DEVICE_BLINK_LIGHT = 'blink_device_light'
DAEMON_ACTION = 'daemon_action'
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