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Synapse 1.14.0rc2 (2020-05-27)

Browse source 
==============================
 
 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))
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Merge tag 'v1.14.0rc2' into develop

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))
This commit is contained in:
Brendan Abolivier 2020-05-27 17:35:29 +02:00
parent 0a6e837aaa 4e3a617635
commit 5af572ada0
8 changed files with 116 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

17
CHANGES.md
View file

@ -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)
==============================

8
docs/sample_config.yaml
View file

@ -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"].
#

2
synapse/__init__.py
View file

@ -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

44
synapse/config/cache.py
View file

@ -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()

2
synapse/config/oidc_config.py
View file

@ -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"].
#

3
synapse/replication/tcp/handler.py
View file

@ -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).

4
synapse/util/caches/lrucache.py
View file

@ -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

44
tests/config/test_cache.py
View file

@ -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)