def describe_hosts(self, context, **_kwargs):
"""Returns status info for all nodes. Includes:
* Hostname
* Compute (up, down, None)
* Instance count
* Volume (up, down, None)
* Volume Count
"""
services = db.service_get_all(context, False)
now = utils.utcnow()
hosts = []
rv = []
for host in [service['host'] for service in services]:
if not host in hosts:
hosts.append(host)
for host in hosts:
compute = [s for s in services if s['host'] == host \
and s['binary'] == 'engine-compute']
if compute:
compute = compute[0]
instances = db.instance_get_all_by_host(context, host)
volume = [s for s in services if s['host'] == host \
and s['binary'] == 'engine-volume']
if volume:
volume = volume[0]
volumes = db.volume_get_all_by_host(context, host)
rv.append(host_dict(host, compute, instances, volume, volumes,
now))
return {'hosts': rv}
def index(self, req):
def service_get_all_compute(context):
topic = "compute"
session = get_session()
result = (
session.query(models.Service)
.options(joinedload("compute_node"))
.filter_by(deleted=False)
.filter_by(topic=topic)
.all()
)
if not result:
raise exception.ComputeHostNotFound(host=host)
return result
context = req.environ["engine.context"]
services = []
for service in service_get_all_compute(context):
services.append(self._format_service(service))
for service in db.service_get_all(context):
if service.binary == "engine-compute":
continue
services.append(self._format_service(service))
return {"services": services}
def describe_hosts(self, context, **_kwargs):
"""Returns status info for all nodes. Includes:
* Hostname
* Compute (up, down, None)
* Instance count
* Volume (up, down, None)
* Volume Count
"""
services = db.service_get_all(context, False)
now = utils.utcnow()
hosts = []
rv = []
for host in [service['host'] for service in services]:
if not host in hosts:
hosts.append(host)
for host in hosts:
compute = [s for s in services if s['host'] == host \
and s['binary'] == 'engine-compute']
if compute:
compute = compute[0]
instances = db.instance_get_all_by_host(context, host)
volume = [s for s in services if s['host'] == host \
and s['binary'] == 'engine-volume']
if volume:
volume = volume[0]
volumes = db.volume_get_all_by_host(context, host)
rv.append(host_dict(host, compute, instances, volume, volumes,
now))
return {'hosts': rv}
def index(self, req):
def service_get_all_compute(context):
topic = 'compute'
session = get_session()
result = session.query(models.Service).\
options(joinedload('compute_node')).\
filter_by(deleted=False).\
filter_by(topic=topic).\
all()
if not result:
raise exception.ComputeHostNotFound(host=host)
return result
context = req.environ['engine.context']
services = []
for service in service_get_all_compute(context):
services.append(self._format_service(service))
for service in db.service_get_all(context):
if service.binary == 'engine-compute':
continue
services.append(self._format_service(service))
return {'services': services}