| For the latest stable version, please use Spring Security 6.3.3! | 
| For the latest stable version, please use Spring Security 6.3.3! | 
Spring Security integrates with Spring Observability out-of-the-box for tracing; though it’s also quite simple to configure for gathering metrics.
Tracing
When an ObservationRegistry bean is present, Spring Security creates traces for:
- 
the filter chain 
- 
the ReactiveAuthenticationManager, and
- 
the ReactiveAuthorizationManager
Boot Integration
For example, consider a simple Boot application:
- 
Java 
- 
Kotlin 
@SpringBootApplication
public class MyApplication {
	@Bean
	public ReactiveUserDetailsService userDetailsService() {
		return new MapReactiveUserDetailsManager(
				User.withDefaultPasswordEncoder()
						.username("user")
						.password("password")
						.authorities("app")
						.build()
		);
	}
	@Bean
	ObservationRegistryCustomizer<ObservationRegistry> addTextHandler() {
		return (registry) -> registry.observationConfig().observationHandler(new ObservationTextPublisher());
	}
	public static void main(String[] args) {
		SpringApplication.run(ListenerSamplesApplication.class, args);
	}
}@SpringBootApplication
class MyApplication {
	@Bean
	fun userDetailsService(): ReactiveUserDetailsService {
		MapReactiveUserDetailsManager(
				User.withDefaultPasswordEncoder()
						.username("user")
						.password("password")
						.authorities("app")
						.build()
		);
	}
	@Bean
	fun addTextHandler(): ObservationRegistryCustomizer<ObservationRegistry> {
		return registry: ObservationRegistry -> registry.observationConfig()
				.observationHandler(ObservationTextPublisher());
	}
	fun main(args: Array<String>) {
		runApplication<MyApplication>(*args)
	}
}And a corresponding request:
?> http -a user:password :8080Will produce the following output (indentation added for clarity):
START - name='http.server.requests', contextualName='null', error='null', lowCardinalityKeyValues=[], highCardinalityKeyValues=[], map=[class io.micrometer.tracing.handler.TracingObservationHandler$TracingContext='io.micrometer.tracing.handler.TracingObservationHandler$TracingContext@5dfdb78', class io.micrometer.core.instrument.LongTaskTimer$Sample='SampleImpl{duration(seconds)=0.00191856, duration(nanos)=1918560.0, startTimeNanos=101177265022745}', class io.micrometer.core.instrument.Timer$Sample='io.micrometer.core.instrument.Timer$Sample@121549e0']
	START - name='spring.security.http.chains', contextualName='spring.security.http.chains.before', error='null', lowCardinalityKeyValues=[chain.size='14', filter.section='before'], highCardinalityKeyValues=[request.line='/'], map=[class io.micrometer.tracing.handler.TracingObservationHandler$TracingContext='io.micrometer.tracing.handler.TracingObservationHandler$TracingContext@3932a48c', class io.micrometer.core.instrument.LongTaskTimer$Sample='SampleImpl{duration(seconds)=4.65777E-4, duration(nanos)=465777.0, startTimeNanos=101177276300777}', class io.micrometer.core.instrument.Timer$Sample='io.micrometer.core.instrument.Timer$Sample@562db70f']
	STOP - name='spring.security.http.chains', contextualName='spring.security.http.chains.before', error='null', lowCardinalityKeyValues=[chain.size='14', filter.section='before'], highCardinalityKeyValues=[request.line='/'], map=[class io.micrometer.tracing.handler.TracingObservationHandler$TracingContext='io.micrometer.tracing.handler.TracingObservationHandler$TracingContext@3932a48c', class io.micrometer.core.instrument.LongTaskTimer$Sample='SampleImpl{duration(seconds)=0.003733105, duration(nanos)=3733105.0, startTimeNanos=101177276300777}', class io.micrometer.core.instrument.Timer$Sample='io.micrometer.core.instrument.Timer$Sample@562db70f']
		START - name='spring.security.authentications', contextualName='null', error='null', lowCardinalityKeyValues=[authentication.failure.type='Optional', authentication.method='UserDetailsRepositoryReactiveAuthenticationManager', authentication.request.type='UsernamePasswordAuthenticationToken'], highCardinalityKeyValues=[], map=[class io.micrometer.tracing.handler.TracingObservationHandler$TracingContext='io.micrometer.tracing.handler.TracingObservationHandler$TracingContext@574ba6cd', class io.micrometer.core.instrument.LongTaskTimer$Sample='SampleImpl{duration(seconds)=3.21015E-4, duration(nanos)=321015.0, startTimeNanos=101177336038417}', class io.micrometer.core.instrument.Timer$Sample='io.micrometer.core.instrument.Timer$Sample@49202cc7']
		STOP - name='spring.security.authentications', contextualName='null', error='null', lowCardinalityKeyValues=[authentication.failure.type='Optional', authentication.method='UserDetailsRepositoryReactiveAuthenticationManager', authentication.request.type='UsernamePasswordAuthenticationToken', authentication.result.type='UsernamePasswordAuthenticationToken'], highCardinalityKeyValues=[], map=[class io.micrometer.tracing.handler.TracingObservationHandler$TracingContext='io.micrometer.tracing.handler.TracingObservationHandler$TracingContext@574ba6cd', class io.micrometer.core.instrument.LongTaskTimer$Sample='SampleImpl{duration(seconds)=0.37574992, duration(nanos)=3.7574992E8, startTimeNanos=101177336038417}', class io.micrometer.core.instrument.Timer$Sample='io.micrometer.core.instrument.Timer$Sample@49202cc7']
		START - name='spring.security.authorizations', contextualName='null', error='null', lowCardinalityKeyValues=[object.type='SecurityContextServerWebExchange'], highCardinalityKeyValues=[], map=[class io.micrometer.tracing.handler.TracingObservationHandler$TracingContext='io.micrometer.tracing.handler.TracingObservationHandler$TracingContext@6f837332', class io.micrometer.core.instrument.LongTaskTimer$Sample='SampleImpl{duration(seconds)=2.65687E-4, duration(nanos)=265687.0, startTimeNanos=101177777941381}', class io.micrometer.core.instrument.Timer$Sample='io.micrometer.core.instrument.Timer$Sample@7f5bc7cb']
		STOP - name='spring.security.authorizations', contextualName='null', error='null', lowCardinalityKeyValues=[authorization.decision='true', object.type='SecurityContextServerWebExchange'], highCardinalityKeyValues=[authentication.authorities='[app]', authorization.decision.details='AuthorizationDecision [granted=true]'], map=[class io.micrometer.tracing.handler.TracingObservationHandler$TracingContext='io.micrometer.tracing.handler.TracingObservationHandler$TracingContext@6f837332', class io.micrometer.core.instrument.LongTaskTimer$Sample='SampleImpl{duration(seconds)=0.039239047, duration(nanos)=3.9239047E7, startTimeNanos=101177777941381}', class io.micrometer.core.instrument.Timer$Sample='io.micrometer.core.instrument.Timer$Sample@7f5bc7cb']
		START - name='spring.security.http.secured.requests', contextualName='null', error='null', lowCardinalityKeyValues=[], highCardinalityKeyValues=[], map=[class io.micrometer.tracing.handler.TracingObservationHandler$TracingContext='io.micrometer.tracing.handler.TracingObservationHandler$TracingContext@2f33dfae', class io.micrometer.core.instrument.LongTaskTimer$Sample='SampleImpl{duration(seconds)=3.1775E-4, duration(nanos)=317750.0, startTimeNanos=101177821377592}', class io.micrometer.core.instrument.Timer$Sample='io.micrometer.core.instrument.Timer$Sample@63b0d28f']
		STOP - name='spring.security.http.secured.requests', contextualName='null', error='null', lowCardinalityKeyValues=[], highCardinalityKeyValues=[], map=[class io.micrometer.tracing.handler.TracingObservationHandler$TracingContext='io.micrometer.tracing.handler.TracingObservationHandler$TracingContext@2f33dfae', class io.micrometer.core.instrument.LongTaskTimer$Sample='SampleImpl{duration(seconds)=0.219901971, duration(nanos)=2.19901971E8, startTimeNanos=101177821377592}', class io.micrometer.core.instrument.Timer$Sample='io.micrometer.core.instrument.Timer$Sample@63b0d28f']
	START - name='spring.security.http.chains', contextualName='spring.security.http.chains.after', error='null', lowCardinalityKeyValues=[chain.size='14', filter.section='after'], highCardinalityKeyValues=[request.line='/'], map=[class io.micrometer.tracing.handler.TracingObservationHandler$TracingContext='io.micrometer.tracing.handler.TracingObservationHandler$TracingContext@40b25623', class io.micrometer.core.instrument.LongTaskTimer$Sample='SampleImpl{duration(seconds)=3.25118E-4, duration(nanos)=325118.0, startTimeNanos=101178044824275}', class io.micrometer.core.instrument.Timer$Sample='io.micrometer.core.instrument.Timer$Sample@3b6cec2']
	STOP - name='spring.security.http.chains', contextualName='spring.security.http.chains.after', error='null', lowCardinalityKeyValues=[chain.size='14', filter.section='after'], highCardinalityKeyValues=[request.line='/'], map=[class io.micrometer.tracing.handler.TracingObservationHandler$TracingContext='io.micrometer.tracing.handler.TracingObservationHandler$TracingContext@40b25623', class io.micrometer.core.instrument.LongTaskTimer$Sample='SampleImpl{duration(seconds)=0.001693146, duration(nanos)=1693146.0, startTimeNanos=101178044824275}', class io.micrometer.core.instrument.Timer$Sample='io.micrometer.core.instrument.Timer$Sample@3b6cec2']
STOP - name='http.server.requests', contextualName='null', error='null', lowCardinalityKeyValues=[], highCardinalityKeyValues=[], map=[class io.micrometer.tracing.handler.TracingObservationHandler$TracingContext='io.micrometer.tracing.handler.TracingObservationHandler$TracingContext@5dfdb78', class io.micrometer.core.instrument.LongTaskTimer$Sample='SampleImpl{duration(seconds)=0.784320641, duration(nanos)=7.84320641E8, startTimeNanos=101177265022745}', class io.micrometer.core.instrument.Timer$Sample='io.micrometer.core.instrument.Timer$Sample@121549e0']Manual Configuration
For a non-Spring Boot application, or to override the existing Boot configuration, you can publish your own ObservationRegistry and Spring Security will still pick it up.
- 
Java 
- 
Kotlin 
- 
Xml 
@SpringBootApplication
public class MyApplication {
	@Bean
	public ReactiveUserDetailsService userDetailsService() {
		return new MapReactiveUserDetailsManager(
				User.withDefaultPasswordEncoder()
						.username("user")
						.password("password")
						.authorities("app")
						.build()
		);
	}
	@Bean
	ObservationRegistry<ObservationRegistry> observationRegistry() {
		ObservationRegistry registry = ObservationRegistry.create();
		registry.observationConfig().observationHandler(new ObservationTextPublisher());
		return registry;
	}
	public static void main(String[] args) {
		SpringApplication.run(ListenerSamplesApplication.class, args);
	}
}@SpringBootApplication
class MyApplication {
	@Bean
	fun userDetailsService(): ReactiveUserDetailsService {
		MapReactiveUserDetailsManager(
				User.withDefaultPasswordEncoder()
						.username("user")
						.password("password")
						.authorities("app")
						.build()
		);
	}
	@Bean
	fun observationRegistry(): ObservationRegistry<ObservationRegistry> {
		ObservationRegistry registry = ObservationRegistry.create()
		registry.observationConfig().observationHandler(ObservationTextPublisher())
		return registry
	}
	fun main(args: Array<String>) {
		runApplication<MyApplication>(*args)
	}
}<sec:http auto-config="true" observation-registry-ref="ref">
	<sec:intercept-url pattern="/**" access="authenticated"/>
</sec:http>
<!-- define and configure ObservationRegistry bean -->Disabling Observability
If you don’t want any Spring Security observations, in a Spring Boot application you can publish a ObservationRegistry.NOOP @Bean.
However, this may turn off observations for more than just Spring Security.
Instead, you can alter the provided ObservationRegistry with an ObservationPredicate like the following:
- 
Java 
- 
Kotlin 
@Bean
ObservationRegistryCustomizer<ObservationRegistry> noSpringSecurityObservations() {
	ObservationPredicate predicate = (name, context) -> !name.startsWith("spring.security.");
	return (registry) -> registry.observationConfig().observationPredicate(predicate);
}@Bean
fun noSpringSecurityObservations(): ObservationRegistryCustomizer<ObservationRegistry> {
	ObservationPredicate predicate = (name: String, context: Observation.Context) -> !name.startsWith("spring.security.")
	(registry: ObservationRegistry) -> registry.observationConfig().observationPredicate(predicate)
}| There is no facility for disabling observations with XML support.
Instead, simply do not set the observation-registry-refattribute. | 
Trace Listing
Spring Security tracks the following spans on each request:
- 
spring.security.http.requests- a span that wraps the entire filter chain, including the request
- 
spring.security.http.chains.before- a span that wraps the receiving part of the security filters
- 
spring.security.http.chains.after- a span that wraps the returning part of the security filters
- 
spring.security.http.secured.requests- a span that wraps the now-secured application request
- 
spring.security.http.unsecured.requests- a span that wraps requests that Spring Security does not secure
- 
spring.security.authentications- a span that wraps authentication attempts
- 
spring.security.authorizations- a span that wraps authorization attempts
| spring.security.http.chains.before+spring.security.http.secured.requests+spring.security.http.chains.after=spring.security.http.requestsspring.security.http.chains.before+spring.security.http.chains.after= Spring Security’s part of the request | 
| There is no facility for disabling observations with XML support.
Instead, simply do not set the observation-registry-refattribute. | 
| spring.security.http.chains.before+spring.security.http.secured.requests+spring.security.http.chains.after=spring.security.http.requestsspring.security.http.chains.before+spring.security.http.chains.after= Spring Security’s part of the request |