Added missing property classes; fixes gh-1076

spring-cloud-sleuth-core/src/main/java/org/springframework/cloud/sleuth/instrument/reactor/SleuthReactorProperties.java

@@ -0,0 +1,38 @@
+/*
+ * Copyright 2013-2018 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
+ *
+ *      http://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.cloud.sleuth.instrument.reactor;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+
+/**
+ * Sleuth Reactor settings
+ *
+ * @since 2.0.2
+ */
+@ConfigurationProperties("spring.sleuth.reactor.enabled")
+public class SleuthReactorProperties {
+
+	private boolean enabled = true;
+
+	public boolean isEnabled() {
+		return this.enabled;
+	}
+
+	public void setEnabled(boolean enabled) {
+		this.enabled = enabled;
+	}
+}

spring-cloud-sleuth-core/src/main/java/org/springframework/cloud/sleuth/instrument/reactor/TraceReactorAutoConfiguration.java

@@ -22,6 +22,7 @@ import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.function.Supplier;
 
 import brave.Tracing;
+import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import reactor.core.publisher.Hooks;
 import reactor.core.publisher.Mono;
 import reactor.core.scheduler.Schedulers;
@@ -56,6 +57,7 @@ import org.springframework.context.event.ContextRefreshedEvent;
 @ConditionalOnProperty(value="spring.sleuth.reactor.enabled", matchIfMissing=true)
 @ConditionalOnClass(Mono.class)
 @AutoConfigureAfter(TraceWebFluxAutoConfiguration.class)
+@EnableConfigurationProperties(SleuthReactorProperties.class)
 public class TraceReactorAutoConfiguration {
 
 	@Configuration

spring-cloud-sleuth-core/src/main/java/org/springframework/cloud/sleuth/instrument/web/SleuthWebProperties.java

@@ -58,7 +58,7 @@ public class SleuthWebProperties {
 	 */
 	private boolean exceptionThrowingFilterEnabled = true;
 
-	private Client client;
+	private Client client = new Client();
 
 	public boolean isEnabled() {
 		return this.enabled;

spring-cloud-sleuth-core/src/main/java/org/springframework/cloud/sleuth/instrument/web/client/feign/SleuthFeignProperties.java

@@ -0,0 +1,42 @@
+/*
+ * Copyright 2013-2018 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
+ *
+ *      http://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.cloud.sleuth.instrument.web.client.feign;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+
+/**
+ * Configuration properties for Feign
+ *
+ * @author Marcin Grzejszczak
+ * @since 2.0.2
+ */
+@ConfigurationProperties("spring.sleuth.feign")
+public class SleuthFeignProperties {
+
+	/**
+	 * When true enables instrumentation for feign
+	 */
+	private boolean enabled = true;
+
+	public boolean isEnabled() {
+		return this.enabled;
+	}
+
+	public void setEnabled(boolean enabled) {
+		this.enabled = enabled;
+	}
+}

spring-cloud-sleuth-core/src/main/java/org/springframework/cloud/sleuth/instrument/web/client/feign/TraceFeignClientAutoConfiguration.java

@@ -27,6 +27,7 @@ import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.cloud.openfeign.FeignAutoConfiguration;
 import org.springframework.cloud.openfeign.FeignContext;
 import org.springframework.cloud.sleuth.instrument.hystrix.SleuthHystrixAutoConfiguration;
@@ -48,6 +49,7 @@ import org.springframework.context.annotation.Scope;
 @ConditionalOnBean(HttpTracing.class)
 @AutoConfigureBefore(FeignAutoConfiguration.class)
 @AutoConfigureAfter({SleuthHystrixAutoConfiguration.class, TraceHttpAutoConfiguration.class})
+@EnableConfigurationProperties(SleuthFeignProperties.class)
 public class TraceFeignClientAutoConfiguration {
 
 	@Bean