/
WebMvcObservationAutoConfiguration.java
137 lines (122 loc) · 6.53 KB
/
WebMvcObservationAutoConfiguration.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
/*
* Copyright 2012-2022 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.boot.actuate.autoconfigure.observation.web.servlet;
import java.util.List;
import io.micrometer.core.instrument.MeterRegistry;
import io.micrometer.core.instrument.config.MeterFilter;
import io.micrometer.observation.Observation;
import io.micrometer.observation.ObservationRegistry;
import jakarta.servlet.DispatcherType;
import org.springframework.beans.factory.ObjectProvider;
import org.springframework.boot.actuate.autoconfigure.metrics.CompositeMeterRegistryAutoConfiguration;
import org.springframework.boot.actuate.autoconfigure.metrics.MetricsAutoConfiguration;
import org.springframework.boot.actuate.autoconfigure.metrics.MetricsProperties;
import org.springframework.boot.actuate.autoconfigure.metrics.OnlyOnceLoggingDenyMeterFilter;
import org.springframework.boot.actuate.autoconfigure.metrics.export.simple.SimpleMetricsExportAutoConfiguration;
import org.springframework.boot.actuate.autoconfigure.observation.ObservationAutoConfiguration;
import org.springframework.boot.actuate.autoconfigure.observation.ObservationProperties;
import org.springframework.boot.actuate.metrics.web.servlet.WebMvcTagsContributor;
import org.springframework.boot.actuate.metrics.web.servlet.WebMvcTagsProvider;
import org.springframework.boot.autoconfigure.AutoConfiguration;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
import org.springframework.boot.autoconfigure.web.servlet.ConditionalOnMissingFilterBean;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.Ordered;
import org.springframework.core.annotation.Order;
import org.springframework.http.server.observation.DefaultServerRequestObservationConvention;
import org.springframework.http.server.observation.ServerRequestObservationConvention;
import org.springframework.web.filter.ServerHttpObservationFilter;
import org.springframework.web.servlet.DispatcherServlet;
/**
* {@link EnableAutoConfiguration Auto-configuration} for instrumentation of Spring Web
* MVC servlet-based request mappings.
*
* @author Brian Clozel
* @author Jon Schneider
* @author Dmytro Nosan
* @since 3.0.0
*/
@AutoConfiguration(after = { MetricsAutoConfiguration.class, CompositeMeterRegistryAutoConfiguration.class,
SimpleMetricsExportAutoConfiguration.class, ObservationAutoConfiguration.class })
@ConditionalOnWebApplication(type = ConditionalOnWebApplication.Type.SERVLET)
@ConditionalOnClass({ DispatcherServlet.class, Observation.class })
@ConditionalOnBean(ObservationRegistry.class)
@EnableConfigurationProperties({ MetricsProperties.class, ObservationProperties.class })
@SuppressWarnings("removal")
public class WebMvcObservationAutoConfiguration {
private final MetricsProperties metricsProperties;
private final ObservationProperties observationProperties;
public WebMvcObservationAutoConfiguration(ObservationProperties observationProperties,
MetricsProperties metricsProperties) {
this.observationProperties = observationProperties;
this.metricsProperties = metricsProperties;
}
@Bean
@ConditionalOnMissingFilterBean
public FilterRegistrationBean<ServerHttpObservationFilter> webMvcObservationFilter(ObservationRegistry registry,
ObjectProvider<ServerRequestObservationConvention> customConvention,
ObjectProvider<WebMvcTagsProvider> customTagsProvider,
ObjectProvider<WebMvcTagsContributor> contributorsProvider) {
String name = httpRequestsMetricName(this.observationProperties, this.metricsProperties);
ServerRequestObservationConvention convention = createConvention(customConvention.getIfAvailable(), name,
customTagsProvider.getIfAvailable(), contributorsProvider.orderedStream().toList());
ServerHttpObservationFilter filter = new ServerHttpObservationFilter(registry, convention);
FilterRegistrationBean<ServerHttpObservationFilter> registration = new FilterRegistrationBean<>(filter);
registration.setOrder(Ordered.HIGHEST_PRECEDENCE + 1);
registration.setDispatcherTypes(DispatcherType.REQUEST, DispatcherType.ASYNC);
return registration;
}
private static ServerRequestObservationConvention createConvention(
ServerRequestObservationConvention customConvention, String name, WebMvcTagsProvider tagsProvider,
List<WebMvcTagsContributor> contributors) {
if (customConvention != null) {
return customConvention;
}
else if (tagsProvider != null || contributors.size() > 0) {
return new ServerRequestObservationConventionAdapter(name, tagsProvider, contributors);
}
else {
return new DefaultServerRequestObservationConvention(name);
}
}
private static String httpRequestsMetricName(ObservationProperties observationProperties,
MetricsProperties metricsProperties) {
String observationName = observationProperties.getHttp().getServer().getRequests().getName();
return (observationName != null) ? observationName
: metricsProperties.getWeb().getServer().getRequest().getMetricName();
}
@Configuration(proxyBeanMethods = false)
@ConditionalOnClass(MeterRegistry.class)
@ConditionalOnBean(MeterRegistry.class)
static class MeterFilterConfiguration {
@Bean
@Order(0)
MeterFilter metricsHttpServerUriTagFilter(MetricsProperties metricsProperties,
ObservationProperties observationProperties) {
String name = httpRequestsMetricName(observationProperties, metricsProperties);
MeterFilter filter = new OnlyOnceLoggingDenyMeterFilter(
() -> String.format("Reached the maximum number of URI tags for '%s'.", name));
return MeterFilter.maximumAllowableTags(name, "uri", metricsProperties.getWeb().getServer().getMaxUriTags(),
filter);
}
}
}