Deprecate X-Pack centric license endpoints (#35959)

This commit is part of our plan to deprecate and ultimately remove the
use of _xpack in the REST APIs.

client/rest-high-level/src/main/java/org/elasticsearch/client/LicenseRequestConverters.java

@@ -34,7 +34,7 @@ final class LicenseRequestConverters {
     private LicenseRequestConverters() {}
 
     static Request putLicense(PutLicenseRequest putLicenseRequest) {
-        String endpoint = new RequestConverters.EndpointBuilder().addPathPartAsIs("_xpack", "license").build();
+        String endpoint = new RequestConverters.EndpointBuilder().addPathPartAsIs("_license").build();
         Request request = new Request(HttpPut.METHOD_NAME, endpoint);
         RequestConverters.Params parameters = new RequestConverters.Params(request);
         parameters.withTimeout(putLicenseRequest.timeout());
@@ -47,15 +47,15 @@ static Request putLicense(PutLicenseRequest putLicenseRequest) {
     }
 
     static Request getLicense(GetLicenseRequest getLicenseRequest) {
-        String endpoint = new RequestConverters.EndpointBuilder().addPathPartAsIs("_xpack", "license").build();
+        String endpoint = new RequestConverters.EndpointBuilder().addPathPartAsIs("_license").build();
         Request request = new Request(HttpGet.METHOD_NAME, endpoint);
         RequestConverters.Params parameters = new RequestConverters.Params(request);
         parameters.withLocal(getLicenseRequest.isLocal());
         return request;
     }
 
     static Request deleteLicense(DeleteLicenseRequest deleteLicenseRequest) {
-        String endpoint = new RequestConverters.EndpointBuilder().addPathPartAsIs("_xpack", "license").build();
+        String endpoint = new RequestConverters.EndpointBuilder().addPathPartAsIs("_license").build();
         Request request = new Request(HttpDelete.METHOD_NAME, endpoint);
         RequestConverters.Params parameters = new RequestConverters.Params(request);
         parameters.withTimeout(deleteLicenseRequest.timeout());
@@ -64,7 +64,7 @@ static Request deleteLicense(DeleteLicenseRequest deleteLicenseRequest) {
     }
 
     static Request startTrial(StartTrialRequest startTrialRequest) {
-        final String endpoint = new RequestConverters.EndpointBuilder().addPathPartAsIs("_xpack", "license", "start_trial").build();
+        final String endpoint = new RequestConverters.EndpointBuilder().addPathPartAsIs("_license", "start_trial").build();
         final Request request = new Request(HttpPost.METHOD_NAME, endpoint);
 
         RequestConverters.Params parameters = new RequestConverters.Params(request);
@@ -77,7 +77,7 @@ static Request startTrial(StartTrialRequest startTrialRequest) {
 
     static Request startBasic(StartBasicRequest startBasicRequest) {
         String endpoint = new RequestConverters.EndpointBuilder()
-            .addPathPartAsIs("_xpack", "license", "start_basic")
+            .addPathPartAsIs("_license", "start_basic")
             .build();
         Request request = new Request(HttpPost.METHOD_NAME, endpoint);
         RequestConverters.Params parameters = new RequestConverters.Params(request);
@@ -90,10 +90,11 @@ static Request startBasic(StartBasicRequest startBasicRequest) {
     }
 
     static Request getLicenseTrialStatus() {
-        return new Request(HttpGet.METHOD_NAME, "/_xpack/license/trial_status");
+        return new Request(HttpGet.METHOD_NAME, "/_license/trial_status");
     }
 
     static Request getLicenseBasicStatus() {
-        return new Request(HttpGet.METHOD_NAME, "/_xpack/license/basic_status");
+        return new Request(HttpGet.METHOD_NAME, "/_license/basic_status");
     }
+
 }

client/rest-high-level/src/test/java/org/elasticsearch/client/LicenseRequestConvertersTests.java

@@ -54,7 +54,7 @@ public void testGetLicense() {
 
         Request request = LicenseRequestConverters.getLicense(getLicenseRequest);
         assertThat(request.getMethod(), equalTo(HttpGet.METHOD_NAME));
-        assertThat(request.getEndpoint(), equalTo("/_xpack/license"));
+        assertThat(request.getEndpoint(), equalTo("/_license"));
         assertThat(request.getParameters(), equalTo(expectedParams));
         assertThat(request.getEntity(), is(nullValue()));
     }
@@ -72,7 +72,7 @@ public void testPutLicense() {
 
         Request request = LicenseRequestConverters.putLicense(putLicenseRequest);
         assertThat(request.getMethod(), equalTo(HttpPut.METHOD_NAME));
-        assertThat(request.getEndpoint(), equalTo("/_xpack/license"));
+        assertThat(request.getEndpoint(), equalTo("/_license"));
         assertThat(request.getParameters(), equalTo(expectedParams));
         assertThat(request.getEntity(), is(nullValue()));
     }
@@ -85,7 +85,7 @@ public void testDeleteLicense() {
 
         Request request = LicenseRequestConverters.deleteLicense(deleteLicenseRequest);
         assertThat(request.getMethod(), equalTo(HttpDelete.METHOD_NAME));
-        assertThat(request.getEndpoint(), equalTo("/_xpack/license"));
+        assertThat(request.getEndpoint(), equalTo("/_license"));
         assertThat(request.getParameters(), equalTo(expectedParams));
         assertThat(request.getEntity(), is(nullValue()));
     }
@@ -106,7 +106,7 @@ public void testStartTrial() {
         final Request restRequest = LicenseRequestConverters.startTrial(hlrcRequest);
 
         assertThat(restRequest.getMethod(), equalTo(HttpPost.METHOD_NAME));
-        assertThat(restRequest.getEndpoint(), equalTo("/_xpack/license/start_trial"));
+        assertThat(restRequest.getEndpoint(), equalTo("/_license/start_trial"));
         assertThat(restRequest.getParameters(), equalTo(expectedParams));
         assertThat(restRequest.getEntity(), nullValue());
     }
@@ -124,23 +124,23 @@ public void testStartBasic() {
         Request request = LicenseRequestConverters.startBasic(startBasicRequest);
 
         assertThat(request.getMethod(), equalTo(HttpPost.METHOD_NAME));
-        assertThat(request.getEndpoint(), equalTo("/_xpack/license/start_basic"));
+        assertThat(request.getEndpoint(), equalTo("/_license/start_basic"));
         assertThat(request.getParameters(), equalTo(expectedParams));
         assertThat(request.getEntity(), is(nullValue()));
     }
 
     public void testGetLicenseTrialStatus() {
         Request request = LicenseRequestConverters.getLicenseTrialStatus();
         assertEquals(HttpGet.METHOD_NAME, request.getMethod());
-        assertEquals("/_xpack/license/trial_status", request.getEndpoint());
+        assertEquals("/_license/trial_status", request.getEndpoint());
         assertEquals(request.getParameters().size(), 0);
         assertNull(request.getEntity());
     }
 
     public void testGetLicenseBasicStatus() {
         Request request = LicenseRequestConverters.getLicenseBasicStatus();
         assertEquals(HttpGet.METHOD_NAME, request.getMethod());
-        assertEquals("/_xpack/license/basic_status", request.getEndpoint());
+        assertEquals("/_license/basic_status", request.getEndpoint());
         assertEquals(request.getParameters().size(), 0);
         assertNull(request.getEntity());
     }

docs/reference/licensing/delete-license.asciidoc

@@ -8,7 +8,7 @@ This API enables you to delete licensing information.
 [float]
 ==== Request
 
-`DELETE /_xpack/license`
+`DELETE /_license`
 
 [float]
 ==== Description
@@ -30,7 +30,7 @@ The following example queries the info API:
 
 [source,js]
 ------------------------------------------------------------
-DELETE _xpack/license
+DELETE /_license
 ------------------------------------------------------------
 // CONSOLE
 // TEST[skip:license testing issues]

docs/reference/licensing/get-basic-status.asciidoc

@@ -8,7 +8,7 @@ This API enables you to check the status of your basic license.
 [float]
 ==== Request
 
-`GET _xpack/license/basic_status`
+`GET /_license/basic_status`
 
 [float]
 ==== Description
@@ -32,7 +32,7 @@ The following example checks whether you are eligible to start a basic:
 
 [source,js]
 ------------------------------------------------------------
-GET _xpack/license/basic_status
+GET /_license/basic_status
 ------------------------------------------------------------
 // CONSOLE
 

docs/reference/licensing/get-license.asciidoc

@@ -8,7 +8,7 @@ This API enables you to retrieve licensing information.
 [float]
 ==== Request
 
-`GET /_xpack/license`
+`GET /_license`
 
 [float]
 ==== Description
@@ -43,7 +43,7 @@ The following example provides information about a trial license:
 
 [source,js]
 --------------------------------------------------
-GET _xpack/license
+GET /_license
 --------------------------------------------------
 // CONSOLE
 

docs/reference/licensing/get-trial-status.asciidoc

@@ -8,7 +8,7 @@ This API enables you to check the status of your trial license.
 [float]
 ==== Request
 
-`GET _xpack/license/trial_status`
+`GET /_license/trial_status`
 
 [float]
 ==== Description
@@ -38,7 +38,7 @@ The following example checks whether you are eligible to start a trial:
 
 [source,js]
 ------------------------------------------------------------
-GET _xpack/license/trial_status
+GET /_license/trial_status
 ------------------------------------------------------------
 // CONSOLE
 

docs/reference/licensing/start-basic.asciidoc

@@ -8,7 +8,7 @@ This API starts an indefinite basic license.
 [float]
 ==== Request
 
-`POST _xpack/license/start_basic`
+`POST /_license/start_basic`
 
 [float]
 ==== Description
@@ -38,7 +38,7 @@ The following example starts a basic license if you do not currently have a lice
 
 [source,js]
 ------------------------------------------------------------
-POST _xpack/license/start_basic
+POST /_license/start_basic
 ------------------------------------------------------------
 // CONSOLE
 // TEST[skip:license testing issues]
@@ -59,7 +59,7 @@ parameter:
 
 [source,js]
 ------------------------------------------------------------
-POST _xpack/license/start_basic?acknowledge=true
+POST /_license/start_basic?acknowledge=true
 ------------------------------------------------------------
 // CONSOLE
 // TEST[skip:license testing issues]

docs/reference/licensing/start-trial.asciidoc

@@ -8,7 +8,7 @@ This API starts a 30-day trial license.
 [float]
 ==== Request
 
-`POST _xpack/license/start_trial`
+`POST /_license/start_trial`
 
 [float]
 ==== Description
@@ -42,7 +42,7 @@ parameter is required as you are initiating a license that will expire.
 
 [source,js]
 ------------------------------------------------------------
-POST _xpack/license/start_trial?acknowledge=true
+POST /_license/start_trial?acknowledge=true
 ------------------------------------------------------------
 // CONSOLE
 // TEST[skip:license testing issues]

docs/reference/licensing/update-license.asciidoc

@@ -8,7 +8,7 @@ This API enables you to update your license.
 [float]
 ==== Request
 
-`PUT _xpack/license`
+`PUT /_license`
 
 [float]
 ==== Description
@@ -54,7 +54,7 @@ The following example updates to a basic license:
 
 [source,js]
 ------------------------------------------------------------
-POST _xpack/license
+POST /_license
 {
   "licenses": [
     {
@@ -81,15 +81,15 @@ You can alternatively use a `curl` command, for example:
 [source,js]
 [source,shell]
 ------------------------------------------------------------
-curl -XPUT -u <user> 'http://<host>:<port>/_xpack/license' -H "Content-Type: application/json" -d @license.json
+curl -XPUT -u <user> 'http://<host>:<port>/_license' -H "Content-Type: application/json" -d @license.json
 ------------------------------------------------------------
 // NOTCONSOLE
 
 On Windows machine, use the following command:
 
 [source,shell]
 ------------------------------------------------------------
-gc .\license.json |  Invoke-WebRequest -uri http://<host>:<port>/_xpack/license -Credential elastic -Method Put -ContentType "application/json"
+gc .\license.json |  Invoke-WebRequest -uri http://<host>:<port>/_license -Credential elastic -Method Put -ContentType "application/json"
 ------------------------------------------------------------
 
 In these examples,
@@ -131,7 +131,7 @@ To complete the update, you must re-submit the API request and set the
 
 [source,js]
 ------------------------------------------------------------
-POST _xpack/license?acknowledge=true
+POST /_license?acknowledge=true
 {
   "licenses": [
     {
@@ -154,7 +154,7 @@ Alternatively:
 
 [source,sh]
 ------------------------------------------------------------
-curl -XPUT -u elastic 'http://<host>:<port>/_xpack/license?acknowledge=true' -H "Content-Type: application/json" -d @license.json
+curl -XPUT -u elastic 'http://<host>:<port>/_license?acknowledge=true' -H "Content-Type: application/json" -d @license.json
 ------------------------------------------------------------
 // NOTCONSOLE
 

qa/rolling-upgrade/src/test/java/org/elasticsearch/upgrades/XPackIT.java

@@ -78,7 +78,7 @@ public void testBasicFeature() throws IOException {
      * trial license a little bit to make sure that it works.
      */
     public void testTrialLicense() throws IOException {
-        Request startTrial = new Request("POST", "/_xpack/license/start_trial");
+        Request startTrial = new Request("POST", "/_license/start_trial");
         startTrial.addParameter("acknowledge", "true");
         client().performRequest(startTrial);
 

x-pack/plugin/ccr/qa/multi-cluster-downgraded-to-basic-license/src/test/java/org/elasticsearch/xpack/ccr/FollowIndexIT.java

@@ -50,7 +50,7 @@ public void testDowngradeRemoteClusterToBasic() throws Exception {
 
         String index2 = "logs-20190102";
         try (RestClient leaderClient = buildLeaderClient()) {
-            Request request = new Request("POST", "/_xpack/license/start_basic");
+            Request request = new Request("POST", "/_license/start_basic");
             request.addParameter("acknowledge", "true");
             Map<?, ?> response = toMap(leaderClient.performRequest(request));
             assertThat(response.get("basic_was_started"), is(true));

x-pack/plugin/core/src/main/java/org/elasticsearch/license/RestDeleteLicenseAction.java

@@ -3,8 +3,11 @@
  * or more contributor license agreements. Licensed under the Elastic License;
  * you may not use this file except in compliance with the Elastic License.
  */
+
 package org.elasticsearch.license;
 
+import org.apache.logging.log4j.LogManager;
+import org.elasticsearch.common.logging.DeprecationLogger;
 import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.protocol.xpack.license.DeleteLicenseRequest;
 import org.elasticsearch.rest.RestController;
@@ -18,14 +21,20 @@
 import static org.elasticsearch.rest.RestRequest.Method.DELETE;
 
 public class RestDeleteLicenseAction extends XPackRestHandler {
-    public RestDeleteLicenseAction(Settings settings, RestController controller) {
+
+    private static final DeprecationLogger deprecationLogger = new DeprecationLogger(LogManager.getLogger(RestDeleteLicenseAction.class));
+
+    RestDeleteLicenseAction(Settings settings, RestController controller) {
         super(settings);
-        controller.registerHandler(DELETE, URI_BASE + "/license", this);
+        // TODO: remove deprecated endpoint in 8.0.0
+        controller.registerWithDeprecatedHandler(
+                DELETE, "/_license", this,
+                DELETE, URI_BASE + "/license", deprecationLogger);
     }
 
     @Override
     public String getName() {
-        return "xpack_delete_license_action";
+        return "delete_license";
     }
 
     @Override

x-pack/plugin/core/src/main/java/org/elasticsearch/license/RestGetBasicStatus.java

@@ -3,8 +3,11 @@
  * or more contributor license agreements. Licensed under the Elastic License;
  * you may not use this file except in compliance with the Elastic License.
  */
+
 package org.elasticsearch.license;
 
+import org.apache.logging.log4j.LogManager;
+import org.elasticsearch.common.logging.DeprecationLogger;
 import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.rest.RestController;
 import org.elasticsearch.rest.RestRequest;
@@ -16,9 +19,14 @@
 
 public class RestGetBasicStatus extends XPackRestHandler {
 
+    private static final DeprecationLogger deprecationLogger = new DeprecationLogger(LogManager.getLogger(RestGetBasicStatus.class));
+
     RestGetBasicStatus(Settings settings, RestController controller) {
         super(settings);
-        controller.registerHandler(GET, URI_BASE + "/license/basic_status", this);
+        // TODO: remove deprecated endpoint in 8.0.0
+        controller.registerWithDeprecatedHandler(
+                GET, "/_license/basic_status", this,
+                GET, URI_BASE + "/license/basic_status", deprecationLogger);
     }
 
     @Override
@@ -28,6 +36,7 @@ protected RestChannelConsumer doPrepareRequest(RestRequest request, XPackClient
 
     @Override
     public String getName() {
-        return "xpack_basic_status_action";
+        return "get_basic_status";
     }
+
 }