mirror of
https://github.com/google/nomulus.git
synced 2025-05-02 21:17:50 +02:00
7e42ee48a4
Dagger updated to 2.13, along with all its dependencies. Also allows us to have multiple config files for different environment (prod, sandbox, alpha, local, etc) and specify which one to use on the command line with a --env flag. Therefore the same binary can be used in all environments. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=176551289
99 lines
3.7 KiB
Java
99 lines
3.7 KiB
Java
// Copyright 2017 The Nomulus Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package google.registry.proxy.metric;
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import com.google.common.annotations.VisibleForTesting;
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import com.google.common.collect.ImmutableList;
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import com.google.common.collect.ImmutableMap;
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import com.google.common.collect.ImmutableSet;
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import google.registry.monitoring.metrics.IncrementableMetric;
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import google.registry.monitoring.metrics.LabelDescriptor;
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import google.registry.monitoring.metrics.Metric;
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import google.registry.monitoring.metrics.MetricRegistryImpl;
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import google.registry.util.NonFinalForTesting;
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import io.netty.channel.Channel;
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import io.netty.channel.group.ChannelGroup;
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import io.netty.channel.group.DefaultChannelGroup;
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import io.netty.util.concurrent.GlobalEventExecutor;
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import java.util.Map;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.concurrent.ConcurrentMap;
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import javax.inject.Inject;
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/** Frontend metrics instrumentation. */
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public class FrontendMetrics {
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private static final ImmutableSet<LabelDescriptor> LABELS =
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ImmutableSet.of(
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LabelDescriptor.create("protocol", "Name of the protocol."),
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LabelDescriptor.create(
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"client_cert_hash", "SHA256 hash of the client certificate, if available."));
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private static final ConcurrentMap<ImmutableList<String>, ChannelGroup> activeConnections =
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new ConcurrentHashMap<>();
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static final Metric<Long> activeConnectionsGauge =
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MetricRegistryImpl.getDefault()
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.newGauge(
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"/proxy/frontend/active_connections",
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"Number of active connections from clients to the proxy.",
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"Connections",
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LABELS,
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() ->
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activeConnections
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.entrySet()
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.stream()
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.collect(
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ImmutableMap.toImmutableMap(
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Map.Entry::getKey, entry -> (long) entry.getValue().size())),
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Long.class);
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static final IncrementableMetric totalConnectionsCounter =
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MetricRegistryImpl.getDefault()
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.newIncrementableMetric(
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"/proxy/frontend/total_connections",
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"Total number connections ever made from clients to the proxy.",
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"Connections",
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LABELS);
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@Inject
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public FrontendMetrics() {}
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/**
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* Resets all frontend metrics.
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*
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* <p>This should only be used in tests to reset states. Production code should not call this
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* method.
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*/
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@VisibleForTesting
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void resetMetrics() {
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totalConnectionsCounter.reset();
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activeConnections.clear();
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}
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@NonFinalForTesting
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public void registerActiveConnection(String protocol, String certHash, Channel channel) {
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totalConnectionsCounter.increment(protocol, certHash);
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ImmutableList<String> labels = ImmutableList.of(protocol, certHash);
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ChannelGroup channelGroup;
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if (activeConnections.containsKey(labels)) {
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channelGroup = activeConnections.get(labels);
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} else {
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channelGroup = new DefaultChannelGroup(GlobalEventExecutor.INSTANCE);
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activeConnections.put(labels, channelGroup);
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}
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channelGroup.add(channel);
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}
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}
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