Remove keyspace notification configuration checks because AWS doesn't support `CONFIG GET`.

This commit is contained in:
Jon Chambers 2020-08-13 14:03:02 -04:00 committed by Jon Chambers
parent 72c6a4289e
commit 77460ba502
4 changed files with 1 additions and 78 deletions

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@ -17,7 +17,6 @@ import org.slf4j.LoggerFactory;
import org.whispersystems.textsecuregcm.redis.ClusterLuaScript;
import org.whispersystems.textsecuregcm.redis.FaultTolerantRedisCluster;
import org.whispersystems.textsecuregcm.util.Constants;
import org.whispersystems.textsecuregcm.util.RedisClusterUtil;
import java.io.IOException;
import java.time.Duration;
@ -82,8 +81,6 @@ public class ClientPresenceManager extends RedisClusterPubSubAdapter<String, Str
@Override
public void start() {
RedisClusterUtil.assertKeyspaceNotificationsConfigured(presenceCluster, "K$");
presenceCluster.usePubSubConnection(connection -> {
connection.addListener(this);
connection.getResources().eventBus().get()

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@ -78,8 +78,6 @@ public class RedisClusterMessagesCache extends RedisClusterPubSubAdapter<String,
this.removeQueueScript = ClusterLuaScript.fromResource(redisCluster, "lua/remove_queue.lua", ScriptOutputType.STATUS);
this.getQueuesToPersistScript = ClusterLuaScript.fromResource(redisCluster, "lua/get_queues_to_persist.lua", ScriptOutputType.MULTI);
RedisClusterUtil.assertKeyspaceNotificationsConfigured(redisCluster, "K$gz");
redisCluster.usePubSubConnection(connection -> {
connection.addListener(this);
connection.getResources().eventBus().get()

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@ -1,7 +1,6 @@
package org.whispersystems.textsecuregcm.util;
import io.lettuce.core.cluster.SlotHash;
import org.whispersystems.textsecuregcm.redis.FaultTolerantRedisCluster;
public class RedisClusterUtil {
@ -34,27 +33,4 @@ public class RedisClusterUtil {
public static String getMinimalHashTag(final int slot) {
return HASHES_BY_SLOT[slot];
}
/**
* Asserts that a Redis cluster is configured to generate (at least) a specific set of keyspace notification events.
*
* @param redisCluster the Redis cluster to check for the required keyspace notification configuration
* @param requiredKeyspaceNotifications a string representing the required keyspace notification events (e.g. "Kg$lz")
*
* @throws IllegalStateException if the given Redis cluster is not configured to generate the required keyspace
* notification events
*
* @see <a href="https://redis.io/topics/notifications#configuration">Redis Keyspace Notifications - Configuration</a>
*/
public static void assertKeyspaceNotificationsConfigured(final FaultTolerantRedisCluster redisCluster, final String requiredKeyspaceNotifications) {
final String configuredKeyspaceNotifications = redisCluster.withReadCluster(connection -> connection.sync().configGet("notify-keyspace-events"))
.getOrDefault("notify-keyspace-events", "")
.replace("A", "g$lshztxe");
for (final char requiredNotificationType : requiredKeyspaceNotifications.toCharArray()) {
if (configuredKeyspaceNotifications.indexOf(requiredNotificationType) == -1) {
throw new IllegalStateException(String.format("Required at least \"%s\" for keyspace notifications, but only had \"%s\".", requiredKeyspaceNotifications, configuredKeyspaceNotifications));
}
}
}
}

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@ -1,26 +1,10 @@
package org.whispersystems.textsecuregcm.util;
import io.lettuce.core.cluster.SlotHash;
import io.lettuce.core.cluster.api.sync.Executions;
import io.lettuce.core.cluster.api.sync.NodeSelection;
import io.lettuce.core.cluster.api.sync.NodeSelectionCommands;
import io.lettuce.core.cluster.api.sync.RedisAdvancedClusterCommands;
import io.lettuce.core.cluster.models.partitions.RedisClusterNode;
import junitparams.JUnitParamsRunner;
import junitparams.Parameters;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.whispersystems.textsecuregcm.redis.FaultTolerantRedisCluster;
import org.whispersystems.textsecuregcm.tests.util.RedisClusterHelper;
import redis.embedded.Redis;
import java.util.Map;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.*;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
@RunWith(JUnitParamsRunner.class)
public class RedisClusterUtilTest {
@Test
@ -29,36 +13,4 @@ public class RedisClusterUtilTest {
assertEquals(slot, SlotHash.getSlot(RedisClusterUtil.getMinimalHashTag(slot)));
}
}
@SuppressWarnings("unchecked")
@Test
@Parameters(method = "argumentsForTestAssertKeyspaceNotificationsConfigured")
public void testAssertKeyspaceNotificationsConfigured(final String requiredKeyspaceNotifications, final String configuerdKeyspaceNotifications, final boolean expectException) {
final RedisAdvancedClusterCommands<String, String> commands = mock(RedisAdvancedClusterCommands.class);
final FaultTolerantRedisCluster redisCluster = RedisClusterHelper.buildMockRedisCluster(commands);
when(commands.configGet("notify-keyspace-events")).thenReturn(Map.of("notify-keyspace-events", configuerdKeyspaceNotifications));
if (expectException) {
try {
RedisClusterUtil.assertKeyspaceNotificationsConfigured(redisCluster, requiredKeyspaceNotifications);
fail("Expected IllegalStateException");
} catch (final IllegalStateException ignored) {
}
} else {
RedisClusterUtil.assertKeyspaceNotificationsConfigured(redisCluster, requiredKeyspaceNotifications);
}
}
@SuppressWarnings("unused")
private Object argumentsForTestAssertKeyspaceNotificationsConfigured() {
return new Object[] {
new Object[] { "K$gz", "", true },
new Object[] { "K$gz", "K$gz", false },
new Object[] { "K$gz", "K$gzl", false },
new Object[] { "K$gz", "KA", false },
new Object[] { "", "A", false },
new Object[] { "", "", false },
};
}
}