diff options
| -rw-r--r-- | CHANGES.md | 17 | ||||
| -rw-r--r-- | docs/sample_config.yaml | 8 | ||||
| -rw-r--r-- | synapse/__init__.py | 2 | ||||
| -rw-r--r-- | synapse/config/cache.py | 44 | ||||
| -rw-r--r-- | synapse/config/oidc_config.py | 2 | ||||
| -rw-r--r-- | synapse/replication/tcp/handler.py | 3 | ||||
| -rw-r--r-- | synapse/util/caches/lrucache.py | 4 | ||||
| -rw-r--r-- | tests/config/test_cache.py | 44 |
8 files changed, 116 insertions, 8 deletions
diff --git a/CHANGES.md b/CHANGES.md index 914690b7bb..14a025e03e 100644 --- a/CHANGES.md +++ b/CHANGES.md @@ -1,3 +1,20 @@ +Synapse 1.14.0rc2 (2020-05-27) +============================== + +Bugfixes +-------- + +- Fix cache config to not apply cache factor to event cache. Regression in v1.14.0rc1. ([\#7578](https://github.com/matrix-org/synapse/issues/7578)) +- Fix bug where `ReplicationStreamer` was not always started when replication was enabled. Bug introduced in v1.14.0rc1. ([\#7579](https://github.com/matrix-org/synapse/issues/7579)) +- Fix specifying individual cache factors for caches with special characters in their name. Regression in v1.14.0rc1. ([\#7580](https://github.com/matrix-org/synapse/issues/7580)) + + +Improved Documentation +---------------------- + +- Fix the OIDC `client_auth_method` value in the sample config. ([\#7581](https://github.com/matrix-org/synapse/issues/7581)) + + Synapse 1.14.0rc1 (2020-05-26) ============================== diff --git a/docs/sample_config.yaml b/docs/sample_config.yaml index 0e1be153c7..ce2c235994 100644 --- a/docs/sample_config.yaml +++ b/docs/sample_config.yaml @@ -643,6 +643,12 @@ caches: # takes priority over setting through the config file. # Ex. SYNAPSE_CACHE_FACTOR_GET_USERS_WHO_SHARE_ROOM_WITH_USER=2.0 # + # Some caches have '*' and other characters that are not + # alphanumeric or underscores. These caches can be named with or + # without the special characters stripped. For example, to specify + # the cache factor for `*stateGroupCache*` via an environment + # variable would be `SYNAPSE_CACHE_FACTOR_STATEGROUPCACHE=2.0`. + # per_cache_factors: #get_users_who_share_room_with_user: 2.0 @@ -1540,7 +1546,7 @@ oidc_config: # auth method to use when exchanging the token. # Valid values are "client_secret_basic" (default), "client_secret_post" and "none". # - #client_auth_method: "client_auth_basic" + #client_auth_method: "client_secret_basic" # list of scopes to ask. This should include the "openid" scope. Defaults to ["openid"]. # diff --git a/synapse/__init__.py b/synapse/__init__.py index 6327147d8e..5e957985d7 100644 --- a/synapse/__init__.py +++ b/synapse/__init__.py @@ -36,7 +36,7 @@ try: except ImportError: pass -__version__ = "1.14.0rc1" +__version__ = "1.14.0rc2" if bool(os.environ.get("SYNAPSE_TEST_PATCH_LOG_CONTEXTS", False)): # We import here so that we don't have to install a bunch of deps when diff --git a/synapse/config/cache.py b/synapse/config/cache.py index 91036a012e..0672538796 100644 --- a/synapse/config/cache.py +++ b/synapse/config/cache.py @@ -14,13 +14,17 @@ # limitations under the License. import os +import re from typing import Callable, Dict from ._base import Config, ConfigError # The prefix for all cache factor-related environment variables -_CACHES = {} _CACHE_PREFIX = "SYNAPSE_CACHE_FACTOR" + +# Map from canonicalised cache name to cache. +_CACHES = {} + _DEFAULT_FACTOR_SIZE = 0.5 _DEFAULT_EVENT_CACHE_SIZE = "10K" @@ -37,6 +41,20 @@ class CacheProperties(object): properties = CacheProperties() +def _canonicalise_cache_name(cache_name: str) -> str: + """Gets the canonical form of the cache name. + + Since we specify cache names in config and environment variables we need to + ignore case and special characters. For example, some caches have asterisks + in their name to denote that they're not attached to a particular database + function, and these asterisks need to be stripped out + """ + + cache_name = re.sub(r"[^A-Za-z_1-9]", "", cache_name) + + return cache_name.lower() + + def add_resizable_cache(cache_name: str, cache_resize_callback: Callable): """Register a cache that's size can dynamically change @@ -45,7 +63,10 @@ def add_resizable_cache(cache_name: str, cache_resize_callback: Callable): cache_resize_callback: A callback function that will be ran whenever the cache needs to be resized """ - _CACHES[cache_name.lower()] = cache_resize_callback + # Some caches have '*' in them which we strip out. + cache_name = _canonicalise_cache_name(cache_name) + + _CACHES[cache_name] = cache_resize_callback # Ensure all loaded caches are sized appropriately # @@ -105,6 +126,12 @@ class CacheConfig(Config): # takes priority over setting through the config file. # Ex. SYNAPSE_CACHE_FACTOR_GET_USERS_WHO_SHARE_ROOM_WITH_USER=2.0 # + # Some caches have '*' and other characters that are not + # alphanumeric or underscores. These caches can be named with or + # without the special characters stripped. For example, to specify + # the cache factor for `*stateGroupCache*` via an environment + # variable would be `SYNAPSE_CACHE_FACTOR_STATEGROUPCACHE=2.0`. + # per_cache_factors: #get_users_who_share_room_with_user: 2.0 """ @@ -130,10 +157,17 @@ class CacheConfig(Config): if not isinstance(individual_factors, dict): raise ConfigError("caches.per_cache_factors must be a dictionary") + # Canonicalise the cache names *before* updating with the environment + # variables. + individual_factors = { + _canonicalise_cache_name(key): val + for key, val in individual_factors.items() + } + # Override factors from environment if necessary individual_factors.update( { - key[len(_CACHE_PREFIX) + 1 :].lower(): float(val) + _canonicalise_cache_name(key[len(_CACHE_PREFIX) + 1 :]): float(val) for key, val in self._environ.items() if key.startswith(_CACHE_PREFIX + "_") } @@ -142,9 +176,9 @@ class CacheConfig(Config): for cache, factor in individual_factors.items(): if not isinstance(factor, (int, float)): raise ConfigError( - "caches.per_cache_factors.%s must be a number" % (cache.lower(),) + "caches.per_cache_factors.%s must be a number" % (cache,) ) - self.cache_factors[cache.lower()] = factor + self.cache_factors[cache] = factor # Resize all caches (if necessary) with the new factors we've loaded self.resize_all_caches() diff --git a/synapse/config/oidc_config.py b/synapse/config/oidc_config.py index 5af110745e..586038078f 100644 --- a/synapse/config/oidc_config.py +++ b/synapse/config/oidc_config.py @@ -112,7 +112,7 @@ class OIDCConfig(Config): # auth method to use when exchanging the token. # Valid values are "client_secret_basic" (default), "client_secret_post" and "none". # - #client_auth_method: "client_auth_basic" + #client_auth_method: "client_secret_basic" # list of scopes to ask. This should include the "openid" scope. Defaults to ["openid"]. # diff --git a/synapse/replication/tcp/handler.py b/synapse/replication/tcp/handler.py index 03300e5336..cbcf46f3ae 100644 --- a/synapse/replication/tcp/handler.py +++ b/synapse/replication/tcp/handler.py @@ -159,6 +159,9 @@ class ReplicationCommandHandler: hs.config.redis_port, ) + # First let's ensure that we have a ReplicationStreamer started. + hs.get_replication_streamer() + # We need two connections to redis, one for the subscription stream and # one to send commands to (as you can't send further redis commands to a # connection after SUBSCRIBE is called). diff --git a/synapse/util/caches/lrucache.py b/synapse/util/caches/lrucache.py index 29fabac3cd..df4ea5901d 100644 --- a/synapse/util/caches/lrucache.py +++ b/synapse/util/caches/lrucache.py @@ -81,6 +81,7 @@ class LruCache(object): """ cache = cache_type() self.cache = cache # Used for introspection. + self.apply_cache_factor_from_config = apply_cache_factor_from_config # Save the original max size, and apply the default size factor. self._original_max_size = max_size @@ -294,6 +295,9 @@ class LruCache(object): Returns: bool: Whether the cache changed size or not. """ + if not self.apply_cache_factor_from_config: + return False + new_size = int(self._original_max_size * factor) if new_size != self.max_size: self.max_size = new_size diff --git a/tests/config/test_cache.py b/tests/config/test_cache.py index 2920279125..d3ec24c975 100644 --- a/tests/config/test_cache.py +++ b/tests/config/test_cache.py @@ -125,3 +125,47 @@ class CacheConfigTests(TestCase): cache = LruCache(100) add_resizable_cache("foo", cache_resize_callback=cache.set_cache_factor) self.assertEqual(cache.max_size, 150) + + def test_cache_with_asterisk_in_name(self): + """Some caches have asterisks in their name, test that they are set correctly. + """ + + config = { + "caches": { + "per_cache_factors": {"*cache_a*": 5, "cache_b": 6, "cache_c": 2} + } + } + t = TestConfig() + t.caches._environ = { + "SYNAPSE_CACHE_FACTOR_CACHE_A": "2", + "SYNAPSE_CACHE_FACTOR_CACHE_B": 3, + } + t.read_config(config, config_dir_path="", data_dir_path="") + + cache_a = LruCache(100) + add_resizable_cache("*cache_a*", cache_resize_callback=cache_a.set_cache_factor) + self.assertEqual(cache_a.max_size, 200) + + cache_b = LruCache(100) + add_resizable_cache("*Cache_b*", cache_resize_callback=cache_b.set_cache_factor) + self.assertEqual(cache_b.max_size, 300) + + cache_c = LruCache(100) + add_resizable_cache("*cache_c*", cache_resize_callback=cache_c.set_cache_factor) + self.assertEqual(cache_c.max_size, 200) + + def test_apply_cache_factor_from_config(self): + """Caches can disable applying cache factor updates, mainly used by + event cache size. + """ + + config = {"caches": {"event_cache_size": "10k"}} + t = TestConfig() + t.read_config(config, config_dir_path="", data_dir_path="") + + cache = LruCache( + max_size=t.caches.event_cache_size, apply_cache_factor_from_config=False, + ) + add_resizable_cache("event_cache", cache_resize_callback=cache.set_cache_factor) + + self.assertEqual(cache.max_size, 10240) |