Example #1
0
    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
Example #2
0
    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
Example #3
0
    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
Example #4
0
    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
Example #5
0
    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
Example #6
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 def test_append_host_with_no_values(self):
     host = None
     pool = None
     expected = None
     self.assertEqual(expected,
                      share_utils.append_host(host, pool))
Example #7
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 def test_append_host_with_pool(self):
     host = None
     pool = 'pool'
     expected = None
     self.assertEqual(expected,
                      share_utils.append_host(host, pool))
Example #8
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 def test_append_host_with_host(self):
     host = 'Host'
     pool = None
     expected = 'Host'
     self.assertEqual(expected,
                      share_utils.append_host(host, pool))
Example #9
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 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))
Example #10
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 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
Example #11
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 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))
Example #12
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 def test_append_host_with_no_values(self):
     host = None
     pool = None
     expected = None
     self.assertEqual(expected, share_utils.append_host(host, pool))
Example #13
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 def test_append_host_with_pool(self):
     host = None
     pool = 'pool'
     expected = None
     self.assertEqual(expected, share_utils.append_host(host, pool))
Example #14
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 def test_append_host_with_host(self):
     host = 'Host'
     pool = None
     expected = 'Host'
     self.assertEqual(expected, share_utils.append_host(host, pool))
Example #15
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 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