def get_pools(self, context, filters=None):
"""Returns a dict of all pools on all hosts HostManager knows about."""
self._update_host_state_map(context)
all_pools = []
for host, host_state in self.host_state_map.items():
for pool in host_state.pools.values():
fully_qualified_pool_name = share_utils.append_host(
host, pool.pool_name)
host_name = share_utils.extract_host(
fully_qualified_pool_name, level='host')
backend_name = share_utils.extract_host(
fully_qualified_pool_name, level='backend').split('@')[1] \
if '@' in fully_qualified_pool_name else None
pool_name = share_utils.extract_host(
fully_qualified_pool_name, level='pool')
new_pool = {
'name': fully_qualified_pool_name,
'host': host_name,
'backend': backend_name,
'pool': pool_name,
'capabilities': pool.capabilities,
}
if self._passes_filters(new_pool, filters):
all_pools.append(new_pool)
return all_pools
def get_pools(self, context, filters=None, cached=False):
"""Returns a dict of all pools on all hosts HostManager knows about."""
if not cached or not self.host_state_map:
self._update_host_state_map(context)
all_pools = []
for host, host_state in self.host_state_map.items():
for pool in host_state.pools.values():
fully_qualified_pool_name = share_utils.append_host(
host, pool.pool_name)
host_name = share_utils.extract_host(fully_qualified_pool_name,
level='host')
backend_name = (share_utils.extract_host(
fully_qualified_pool_name, level='backend').split('@')[1]
if '@' in fully_qualified_pool_name else None)
pool_name = share_utils.extract_host(fully_qualified_pool_name,
level='pool')
new_pool = {
'name': fully_qualified_pool_name,
'host': host_name,
'backend': backend_name,
'pool': pool_name,
'capabilities': pool.capabilities,
}
if self._passes_filters(new_pool, filters):
all_pools.append(new_pool)
return all_pools
def get_pools(self, context, filters=None):
"""Returns a dict of all pools on all hosts HostManager knows about."""
self._update_host_state_map(context)
all_pools = []
for host, host_state in self.host_state_map.items():
for pool in host_state.pools.values():
fully_qualified_pool_name = share_utils.append_host(host, pool.pool_name)
host_name = share_utils.extract_host(fully_qualified_pool_name, level="host")
backend_name = (
share_utils.extract_host(fully_qualified_pool_name, level="backend").split("@")[1]
if "@" in fully_qualified_pool_name
else None
)
pool_name = share_utils.extract_host(fully_qualified_pool_name, level="pool")
new_pool = {
"name": fully_qualified_pool_name,
"host": host_name,
"backend": backend_name,
"pool": pool_name,
"capabilities": pool.capabilities,
}
if self._passes_filters(new_pool, filters):
all_pools.append(new_pool)
return all_pools
def _ensure_share_has_pool(self, ctxt, share):
pool = share_utils.extract_host(share['host'], 'pool')
if pool is None:
# No pool name encoded in host, so this is a legacy
# share created before pool is introduced, ask
# driver to provide pool info if it has such
# knowledge and update the DB.
try:
pool = self.driver.get_pool(share)
except Exception as err:
LOG.error(_LE("Failed to fetch pool name for share: "
"%(share)s. Error: %(error)s."),
{'share': share['id'], 'error': err})
return
if pool:
new_host = share_utils.append_host(share['host'], pool)
self.db.share_update(ctxt, share['id'], {'host': new_host})
return pool
def _ensure_share_has_pool(self, ctxt, share):
pool = share_utils.extract_host(share['host'], 'pool')
if pool is None:
# No pool name encoded in host, so this is a legacy
# share created before pool is introduced, ask
# driver to provide pool info if it has such
# knowledge and update the DB.
try:
pool = self.driver.get_pool(share)
except Exception as err:
LOG.error(_LE("Failed to fetch pool name for share: "
"%(share)s. Error: %(error)s."),
{'share': share['id'], 'error': err})
return
if pool:
new_host = share_utils.append_host(share['host'], pool)
self.db.share_update(ctxt, share['id'], {'host': new_host})
return pool
def test_append_host_with_no_values(self):
host = None
pool = None
expected = None
self.assertEqual(expected,
share_utils.append_host(host, pool))
def test_append_host_with_pool(self):
host = None
pool = 'pool'
expected = None
self.assertEqual(expected,
share_utils.append_host(host, pool))
def test_append_host_with_host(self):
host = 'Host'
pool = None
expected = 'Host'
self.assertEqual(expected,
share_utils.append_host(host, pool))
def test_append_host_with_host_and_pool(self):
host = 'Host'
pool = 'Pool'
expected = 'Host#Pool'
self.assertEqual(expected,
share_utils.append_host(host, pool))
def __init__(self, host, capabilities, pool_name):
new_host = share_utils.append_host(host, pool_name)
super(PoolState, self).__init__(new_host, capabilities)
self.pool_name = pool_name
# No pools in pool
self.pools = None
def test_append_host_with_host_and_pool(self):
host = 'Host'
pool = 'Pool'
expected = 'Host#Pool'
self.assertEqual(expected, share_utils.append_host(host, pool))
def test_append_host_with_no_values(self):
host = None
pool = None
expected = None
self.assertEqual(expected, share_utils.append_host(host, pool))
def test_append_host_with_pool(self):
host = None
pool = 'pool'
expected = None
self.assertEqual(expected, share_utils.append_host(host, pool))
def test_append_host_with_host(self):
host = 'Host'
pool = None
expected = 'Host'
self.assertEqual(expected, share_utils.append_host(host, pool))
def __init__(self, host, capabilities, pool_name):
new_host = share_utils.append_host(host, pool_name)
super(PoolState, self).__init__(new_host, capabilities)
self.pool_name = pool_name
# No pools in pool
self.pools = None