def delete_computehost(self, host_id):
host = db_api.host_get(host_id)
if not host:
raise manager_ex.HostNotFound(host=host_id)
with trusts.create_ctx_from_trust(host['trust_id']):
# TODO(sbauza):
# - Check if no leases having this host scheduled
inventory = nova_inventory.NovaInventory()
servers = inventory.get_servers_per_host(
host['hypervisor_hostname'])
if servers:
raise manager_ex.HostHavingServers(
host=host['hypervisor_hostname'], servers=servers)
try:
pool = rp.ReservationPool()
pool.remove_computehost(self.freepool_name,
host['service_name'])
# NOTE(sbauza): Extracapabilities will be destroyed thanks to
# the DB FK.
db_api.host_destroy(host_id)
except db_ex.ClimateDBException:
# Nothing so bad, but we need to advert the admin
# he has to rerun
raise manager_ex.CantRemoveHost(host=host_id,
pool=self.freepool_name)
def delete_computehost(self, host_id):
host = db_api.host_get(host_id)
if not host:
raise manager_ex.HostNotFound(host=host_id)
with trusts.create_ctx_from_trust(host['trust_id']):
# TODO(sbauza):
# - Check if no leases having this host scheduled
inventory = nova_inventory.NovaInventory()
servers = inventory.get_servers_per_host(
host['hypervisor_hostname'])
if servers:
raise manager_ex.HostHavingServers(
host=host['hypervisor_hostname'], servers=servers)
try:
pool = rp.ReservationPool()
pool.remove_computehost(self.freepool_name,
host['service_name'])
# NOTE(sbauza): Extracapabilities will be destroyed thanks to
# the DB FK.
db_api.host_destroy(host_id)
except db_ex.ClimateDBException:
# Nothing so bad, but we need to advert the admin
# he has to rerun
raise manager_ex.CantRemoveHost(host=host_id,
pool=self.freepool_name)
def get_computehost(self, host_id):
host = db_api.host_get(host_id)
extra_capabilities = self._get_extra_capabilities(host_id)
if host is not None and extra_capabilities:
res = host.copy()
res.update(extra_capabilities)
return res
else:
return host
def get_computehost(self, host_id):
host = db_api.host_get(host_id)
extra_capabilities = self._get_extra_capabilities(host_id)
if host is not None and extra_capabilities:
res = host.copy()
res.update(extra_capabilities)
return res
else:
return host
def on_start(self, resource_id):
"""Add the hosts in the pool."""
reservations = db_api.reservation_get_all_by_values(
resource_id=resource_id)
for reservation in reservations:
pool = rp.ReservationPool()
for allocation in db_api.host_allocation_get_all_by_values(
reservation_id=reservation['id']):
host = db_api.host_get(allocation['compute_host_id'])
pool.add_computehost(reservation['resource_id'],
host['service_name'])
def on_start(self, resource_id):
"""Add the hosts in the pool."""
reservations = db_api.reservation_get_all_by_values(
resource_id=resource_id)
for reservation in reservations:
pool = rp.ReservationPool()
for allocation in db_api.host_allocation_get_all_by_values(
reservation_id=reservation['id']):
host = db_api.host_get(allocation['compute_host_id'])
pool.add_computehost(reservation['resource_id'],
host['service_name'])
def delete_computehost(self, host_id):
# TODO(sbauza):
# - Check if no leases having this host scheduled
servers = self.inventory.get_servers_per_host(host_id)
if servers:
raise manager_exceptions.HostHavingServers(host=host_id,
servers=servers)
host = db_api.host_get(host_id)
if not host:
raise manager_exceptions.HostNotFound(host=host_id)
try:
self.pool.remove_computehost(self.freepool_name,
host['hypervisor_hostname'])
# NOTE(sbauza): Extracapabilities will be destroyed thanks to
# the DB FK.
db_api.host_destroy(host_id)
except RuntimeError:
# Nothing so bad, but we need to advert the admin he has to rerun
raise manager_exceptions.CantRemoveHost(host=host_id,
pool=self.freepool_name)
def update_reservation(self, reservation_id, values):
"""Update reservation."""
reservation = db_api.reservation_get(reservation_id)
lease = db_api.lease_get(reservation['lease_id'])
pool = rp.ReservationPool()
hosts_in_pool = pool.get_computehosts(
reservation['resource_id'])
if (values['start_date'] < lease['start_date'] or
values['end_date'] > lease['end_date']):
allocations = []
for allocation in db_api.host_allocation_get_all_by_values(
reservation_id=reservation_id):
full_periods = db_utils.get_full_periods(
allocation['compute_host_id'],
values['start_date'],
values['end_date'],
datetime.timedelta(seconds=1))
if lease['start_date'] < values['start_date']:
max_start = values['start_date']
else:
max_start = lease['start_date']
if lease['end_date'] < values['end_date']:
min_end = lease['end_date']
else:
min_end = values['end_date']
if not (len(full_periods) == 0 or
(len(full_periods) == 1 and
full_periods[0][0] == max_start and
full_periods[0][1] == min_end)):
allocations.append(allocation)
if (hosts_in_pool and
self.nova.hypervisors.get(
self._get_hypervisor_from_name_or_id(
allocation['compute_host_id'])
).__dict__['running_vms'] > 0):
raise manager_ex.NotEnoughHostsAvailable()
if allocations:
host_reservation = (
db_api.host_reservation_get_by_reservation_id(
reservation_id))
host_ids = self._matching_hosts(
host_reservation['hypervisor_properties'],
host_reservation['resource_properties'],
str(len(allocations)) + '-' + str(len(allocations)),
values['start_date'],
values['end_date'])
if not host_ids:
raise manager_ex.NotEnoughHostsAvailable()
if hosts_in_pool:
old_hosts = [allocation['compute_host_id']
for allocation in allocations]
pool.remove_computehost(reservation['resource_id'],
old_hosts)
for allocation in allocations:
db_api.host_allocation_destroy(allocation['id'])
for host_id in host_ids:
db_api.host_allocation_create(
{'compute_host_id': host_id,
'reservation_id': reservation_id})
if hosts_in_pool:
host = db_api.host_get(host_id)
pool.add_computehost(reservation['resource_id'],
host['service_name'])
def update_reservation(self, reservation_id, values):
"""Update reservation."""
reservation = db_api.reservation_get(reservation_id)
lease = db_api.lease_get(reservation['lease_id'])
pool = rp.ReservationPool()
hosts_in_pool = pool.get_computehosts(
reservation['resource_id'])
if (values['start_date'] < lease['start_date'] or
values['end_date'] > lease['end_date']):
allocations = []
for allocation in db_api.host_allocation_get_all_by_values(
reservation_id=reservation_id):
full_periods = db_utils.get_full_periods(
allocation['compute_host_id'],
values['start_date'],
values['end_date'],
datetime.timedelta(seconds=1))
if lease['start_date'] < values['start_date']:
max_start = values['start_date']
else:
max_start = lease['start_date']
if lease['end_date'] < values['end_date']:
min_end = lease['end_date']
else:
min_end = values['end_date']
if not (len(full_periods) == 0 or
(len(full_periods) == 1 and
full_periods[0][0] == max_start and
full_periods[0][1] == min_end)):
allocations.append(allocation)
if (hosts_in_pool and
self.nova.hypervisors.get(
self._get_hypervisor_from_name_or_id(
allocation['compute_host_id'])
).__dict__['running_vms'] > 0):
raise manager_ex.NotEnoughHostsAvailable()
if allocations:
host_reservation = (
db_api.host_reservation_get_by_reservation_id(
reservation_id))
host_ids = self._matching_hosts(
host_reservation['hypervisor_properties'],
host_reservation['resource_properties'],
str(len(allocations)) + '-' + str(len(allocations)),
values['start_date'],
values['end_date'])
if not host_ids:
raise manager_ex.NotEnoughHostsAvailable()
if hosts_in_pool:
old_hosts = [allocation['compute_host_id']
for allocation in allocations]
pool.remove_computehost(reservation['resource_id'],
old_hosts)
for allocation in allocations:
db_api.host_allocation_destroy(allocation['id'])
for host_id in host_ids:
db_api.host_allocation_create(
{'compute_host_id': host_id,
'reservation_id': reservation_id})
if hosts_in_pool:
host = db_api.host_get(host_id)
pool.add_computehost(reservation['resource_id'],
host['service_name'])
