Allow specifying a Vault URI.

Closes gh-115.

docs/src/main/asciidoc/quickstart.adoc

@@ -166,6 +166,7 @@ spring.cloud.vault:
     host: localhost
     port: 8200
     scheme: https
+    uri: https://localhost:8200
     connection-timeout: 5000
     read-timeout: 15000
     config:
@@ -178,6 +179,7 @@ for SSL certificate validation
 * `port` sets the Vault port
 * `scheme` setting the scheme to `http` will use plain HTTP.
 Supported schemes are `http` and `https`.
+* `uri` configure the Vault endpoint with an URI. Takes precedence over host/port/scheme configuration
 * `connection-timeout` sets the connection timeout in milliseconds
 * `read-timeout` sets the read timeout in milliseconds
 * `config.order` sets the order for the property source

spring-cloud-vault-config/src/main/java/org/springframework/cloud/vault/config/VaultBootstrapConfiguration.java

@@ -110,6 +110,10 @@ public class VaultBootstrapConfiguration implements InitializingBean {
 
 	private VaultEndpoint getVaultEndpoint(VaultProperties vaultProperties) {
 
+		if (StringUtils.hasText(vaultProperties.getUri())) {
+			return VaultEndpoint.from(URI.create(vaultProperties.getUri()));
+		}
+
 		VaultEndpoint vaultEndpoint = new VaultEndpoint();
 		vaultEndpoint.setHost(vaultProperties.getHost());
 		vaultEndpoint.setPort(vaultProperties.getPort());

spring-cloud-vault-config/src/main/java/org/springframework/cloud/vault/config/VaultProperties.java

@@ -60,6 +60,11 @@ public class VaultProperties implements EnvironmentAware {
 	 */
 	private String scheme = "https";
 
+	/**
+	 * Vault URI. Can be set with scheme, host and port.
+	 */
+	private String uri;
+
 	/**
 	 * Connection timeout;
 	 */

spring-cloud-vault-config/src/test/java/org/springframework/cloud/vault/config/VaultConfigTests.java

@@ -49,7 +49,9 @@ import static org.assertj.core.api.Assertions.assertThat;
  * @author Mark Paluch
  */
 @RunWith(SpringJUnit4ClassRunner.class)
-@SpringBootTest(classes = VaultConfigTests.TestApplication.class)
+@SpringBootTest(classes = VaultConfigTests.TestApplication.class, properties = {
+		"spring.cloud.vault.host=foo", "spring.cloud.vault.port=80",
+		"spring.cloud.vault.uri=https://localhost:8200" })
 public class VaultConfigTests {
 
 	@BeforeClass