Adds configuration properties for TLSConfig in ConsulClient.

fixes gh-360

spring-cloud-consul-config/src/test/java/org/springframework/cloud/consul/config/ConsulPropertySourceLocatorFilesTests.java

@@ -95,7 +95,9 @@ public class ConsulPropertySourceLocatorFilesTests {
 	@After
 	public void teardown() {
 		this.client.deleteKVValues(PREFIX);
-		this.context.close();
+		if (this.context != null) {
+			this.context.close();
+		}
 	}
 
 	@Test

spring-cloud-consul-core/src/main/java/org/springframework/cloud/consul/ConsulAutoConfiguration.java

@@ -16,7 +16,10 @@
 
 package org.springframework.cloud.consul;
 
+import com.ecwid.consul.transport.TLSConfig;
+import com.ecwid.consul.v1.ConsulClient;
 import org.aspectj.lang.annotation.Aspect;
+
 import org.springframework.boot.actuate.autoconfigure.ConditionalOnEnabledHealthIndicator;
 import org.springframework.boot.actuate.condition.ConditionalOnEnabledEndpoint;
 import org.springframework.boot.actuate.endpoint.Endpoint;
@@ -32,8 +35,6 @@ import org.springframework.retry.annotation.Retryable;
 import org.springframework.retry.interceptor.RetryInterceptorBuilder;
 import org.springframework.retry.interceptor.RetryOperationsInterceptor;
 
-import com.ecwid.consul.v1.ConsulClient;
-
 /**
  * @author Spencer Gibb
  */
@@ -51,6 +52,17 @@ public class ConsulAutoConfiguration {
 	@Bean
 	@ConditionalOnMissingBean
 	public ConsulClient consulClient(ConsulProperties consulProperties) {
+		if (consulProperties.getTls() != null) {
+			ConsulProperties.TLSConfig tls = consulProperties.getTls();
+			TLSConfig tlsConfig = new TLSConfig(
+					tls.getKeyStoreInstanceType(),
+					tls.getCertificatePath(),
+					tls.getCertificatePassword(),
+					tls.getKeyStorePath(),
+					tls.getKeyStorePassword()
+			);
+			return new ConsulClient(consulProperties.getHost(), consulProperties.getPort(), tlsConfig);
+		}
 		return new ConsulClient(consulProperties.getHost(), consulProperties.getPort());
 	}
 

spring-cloud-consul-core/src/main/java/org/springframework/cloud/consul/ConsulProperties.java

@@ -18,6 +18,7 @@ package org.springframework.cloud.consul;
 
 import javax.validation.constraints.NotNull;
 
+import com.ecwid.consul.transport.TLSConfig.KeyStoreInstanceType;
 import lombok.Data;
 
 import org.springframework.boot.context.properties.ConfigurationProperties;
@@ -40,4 +41,25 @@ public class ConsulProperties {
 
 	/** Is spring cloud consul enabled */
 	private boolean enabled = true;
+
+	/** configuration for TLS */
+	private TLSConfig tls;
+
+	@Data
+	public static class TLSConfig {
+		/** Type of key framework to use. */
+		private KeyStoreInstanceType keyStoreInstanceType;
+
+		/** Path to an external keystore */
+		private String keyStorePath;
+
+		/** Password to an external keystore */
+		private String keyStorePassword;
+
+		/**File path to the certificate. */
+		private String certificatePath;
+
+		/** Password to open the certificate. */
+		private String certificatePassword;
+	}
 }

spring-cloud-consul-core/src/test/java/org/springframework/cloud/consul/ConsulAutoConfigurationTests.java

@@ -0,0 +1,42 @@
+package org.springframework.cloud.consul;
+
+import com.ecwid.consul.transport.DefaultHttpsTransport;
+import com.ecwid.consul.transport.HttpTransport;
+import com.ecwid.consul.v1.ConsulClient;
+import com.ecwid.consul.v1.ConsulRawClient;
+import com.ecwid.consul.v1.catalog.CatalogConsulClient;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.SpringBootConfiguration;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.test.util.ReflectionTestUtils;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(properties = {"spring.cloud.consul.tls.key-store-instance-type=JKS",
+		"spring.cloud.consul.tls.key-store-path=src/test/resources/server.jks",
+		"spring.cloud.consul.tls.key-store-password=letmein",
+		"spring.cloud.consul.tls.certificate-path=src/test/resources/trustStore.jks",
+		"spring.cloud.consul.tls.certificate-password=change_me", })
+public class ConsulAutoConfigurationTests {
+
+	@Autowired
+	private ConsulClient consulClient;
+
+	@Test
+	public void tlsConfigured() {
+		CatalogConsulClient client = (CatalogConsulClient) ReflectionTestUtils.getField(consulClient, "catalogClient");
+		ConsulRawClient rawClient = (ConsulRawClient) ReflectionTestUtils.getField(client, "rawClient");
+		HttpTransport httpTransport = (HttpTransport) ReflectionTestUtils.getField(rawClient, "httpTransport");
+		assertThat(httpTransport).isInstanceOf(DefaultHttpsTransport.class);
+	}
+
+	@EnableAutoConfiguration
+	@SpringBootConfiguration
+	protected static class TestConfig {}
+}