174 lines
5.3 KiB
Python
174 lines
5.3 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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#
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# Copyright (c) 2016-2018 Wind River Systems, Inc.
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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# https://chrigl.de/posts/2014/08/27/oslo-messaging-example.html
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# http://docs.openstack.org/developer/oslo.messaging/server.html
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import sys
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# noinspection PyUnresolvedReferences
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import eventlet
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# noinspection PyUnresolvedReferences
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import oslo_messaging as messaging
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# noinspection PyUnresolvedReferences
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from fm_api import fm_api
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# noinspection PyUnresolvedReferences
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from oslo_config import cfg
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# noinspection PyUnresolvedReferences
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from oslo_log import log as logging
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# noinspection PyUnresolvedReferences
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from oslo_service import service
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# noinspection PyUnresolvedReferences
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from oslo_service.periodic_task import PeriodicTasks
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# noinspection PyUnresolvedReferences
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from cephclient import wrapper
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from ceph_manager.monitor import Monitor
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from ceph_manager import constants
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from ceph_manager.i18n import _LI
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from ceph_manager.i18n import _LW
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from retrying import retry
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eventlet.monkey_patch(all=True)
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CONF = cfg.CONF
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CONF.register_opts([
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cfg.StrOpt('sysinv_api_bind_ip',
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default='0.0.0.0',
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help='IP for the Ceph Manager server to bind to')])
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CONF.logging_default_format_string = (
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'%(asctime)s.%(msecs)03d %(process)d '
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'%(levelname)s %(name)s [-] %(message)s')
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logging.register_options(CONF)
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logging.setup(CONF, __name__)
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LOG = logging.getLogger(__name__)
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CONF.rpc_backend = 'rabbit'
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class RpcEndpoint(PeriodicTasks):
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def __init__(self, service=None):
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self.service = service
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def get_primary_tier_size(self, _):
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"""Get the ceph size for the primary tier.
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returns: an int for the size (in GB) of the tier
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"""
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tiers_size = self.service.monitor.tiers_size
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primary_tier_size = tiers_size.get(
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self.service.monitor.primary_tier_name, 0)
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LOG.debug(_LI("Ceph cluster primary tier size: %s GB") %
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str(primary_tier_size))
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return primary_tier_size
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def get_tiers_size(self, _):
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"""Get the ceph cluster tier sizes.
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returns: a dict of sizes (in GB) by tier name
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"""
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tiers_size = self.service.monitor.tiers_size
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LOG.debug(_LI("Ceph cluster tiers (size in GB): %s") %
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str(tiers_size))
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return tiers_size
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def is_cluster_up(self, _):
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"""Report if the last health check was successful.
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This is an independent view of the cluster accessibility that can be
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used by the sysinv conductor to gate ceph API calls which would timeout
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and potentially block other operations.
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This view is only updated at the rate the monitor checks for a cluster
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uuid or a health check (CEPH_HEALTH_CHECK_INTERVAL)
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returns: boolean True if last health check was successful else False
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"""
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return self.service.monitor.cluster_is_up
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class SysinvConductorUpgradeApi(object):
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def __init__(self):
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self.sysinv_conductor = None
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super(SysinvConductorUpgradeApi, self).__init__()
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def get_software_upgrade_status(self):
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LOG.info(_LI("Getting software upgrade status from sysinv"))
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cctxt = self.sysinv_conductor.prepare(timeout=2)
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upgrade = cctxt.call({}, 'get_software_upgrade_status')
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LOG.info(_LI("Software upgrade status: %s") % str(upgrade))
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return upgrade
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@retry(wait_fixed=1000,
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retry_on_exception=lambda e:
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LOG.warn(_LW(
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"Getting software upgrade status failed "
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"with: %s. Retrying... ") % str(e)) or True)
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def retry_get_software_upgrade_status(self):
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return self.get_software_upgrade_status()
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class Service(SysinvConductorUpgradeApi, service.Service):
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def __init__(self, conf):
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super(Service, self).__init__()
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self.conf = conf
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self.rpc_server = None
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self.sysinv_conductor = None
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self.ceph_api = None
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self.entity_instance_id = ''
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self.fm_api = fm_api.FaultAPIs()
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self.monitor = Monitor(self)
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self.config = None
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self.config_desired = None
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self.config_applied = None
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def start(self):
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super(Service, self).start()
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transport = messaging.get_transport(self.conf)
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self.sysinv_conductor = messaging.RPCClient(
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transport,
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messaging.Target(
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topic=constants.SYSINV_CONDUCTOR_TOPIC))
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self.ceph_api = wrapper.CephWrapper(
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endpoint='https://localhost:5001')
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# Get initial config from sysinv and send it to
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# services that need it before starting them
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self.rpc_server = messaging.get_rpc_server(
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transport,
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messaging.Target(topic=constants.CEPH_MANAGER_TOPIC,
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server=self.conf.sysinv_api_bind_ip),
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[RpcEndpoint(self)],
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executor='eventlet')
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self.rpc_server.start()
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eventlet.spawn_n(self.monitor.run)
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def stop(self):
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try:
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self.rpc_server.stop()
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self.rpc_server.wait()
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except Exception:
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pass
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super(Service, self).stop()
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def run_service():
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CONF(sys.argv[1:])
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logging.setup(CONF, "ceph-manager")
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launcher = service.launch(CONF, Service(CONF), workers=1)
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launcher.wait()
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if __name__ == "__main__":
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run_service()
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