remove dashboard only reserved role (#76507)

Removes the deprecated kibana_dashboard_only_user from the set of reserved roles in Elasticsearch as this legacy functionality is being removed from Kibana.

Relates: elastic/kibana#54755.

Author: ThomThomson

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

@@ -705,8 +705,8 @@ public void testGetRoles() throws Exception {
 
             List<Role> roles = response.getRoles();
             assertNotNull(response);
-            // 31 system roles plus the three we created
-            assertThat(roles.size(), equalTo(31 + 3));
+            // 30 system roles plus the three we created
+            assertThat(roles.size(), equalTo(30 + 3));
         }
 
         {

x-pack/plugin/core/src/main/java/org/elasticsearch/xpack/core/security/authz/store/ReservedRolesStore.java

@@ -115,16 +115,6 @@ private static Map<String, RoleDescriptor> initializeReservedRoles() {
                     null,
                     MetadataUtils.getDeprecatedReservedMetadata("Please use Kibana feature privileges instead"),
                     null))
-                .put("kibana_dashboard_only_user", new RoleDescriptor(
-                        "kibana_dashboard_only_user",
-                        null,
-                        null,
-                        new RoleDescriptor.ApplicationResourcePrivileges[] {
-                            RoleDescriptor.ApplicationResourcePrivileges.builder()
-                            .application("kibana-.kibana").resources("*").privileges("read").build() },
-                        null, null,
-                        MetadataUtils.getDeprecatedReservedMetadata("Please use Kibana feature privileges instead"),
-                        null))
                 .put(KibanaSystemUser.ROLE_NAME, kibanaSystemRoleDescriptor(KibanaSystemUser.ROLE_NAME))
                 .put("logstash_system", new RoleDescriptor("logstash_system", new String[] { "monitor", MonitoringBulkAction.NAME},
                         null, null, MetadataUtils.DEFAULT_RESERVED_METADATA))

x-pack/plugin/core/src/test/java/org/elasticsearch/xpack/core/security/authz/store/ReservedRolesStoreTests.java

@@ -218,7 +218,6 @@ public void testIsReserved() {
         assertThat(ReservedRolesStore.isReserved("transform_admin"), is(true));
         assertThat(ReservedRolesStore.isReserved("watcher_user"), is(true));
         assertThat(ReservedRolesStore.isReserved("watcher_admin"), is(true));
-        assertThat(ReservedRolesStore.isReserved("kibana_dashboard_only_user"), is(true));
         assertThat(ReservedRolesStore.isReserved("beats_admin"), is(true));
         assertThat(ReservedRolesStore.isReserved(XPackUser.ROLE_NAME), is(true));
         assertThat(ReservedRolesStore.isReserved(AsyncSearchUser.ROLE_NAME), is(true));
@@ -1037,44 +1036,6 @@ public void testReportingUserRole() {
         assertNoAccessAllowed(reportingUserRole, RestrictedIndicesNames.ASYNC_SEARCH_PREFIX + randomAlphaOfLengthBetween(0, 2));
     }
 
-    public void testKibanaDashboardOnlyUserRole() {
-        final TransportRequest request = mock(TransportRequest.class);
-        final Authentication authentication = mock(Authentication.class);
-
-        RoleDescriptor roleDescriptor = new ReservedRolesStore().roleDescriptor("kibana_dashboard_only_user");
-        assertNotNull(roleDescriptor);
-        assertThat(roleDescriptor.getMetadata(), hasEntry("_reserved", true));
-        assertThat(roleDescriptor.getMetadata(), hasEntry("_deprecated", true));
-
-        Role dashboardsOnlyUserRole = Role.builder(roleDescriptor, null).build();
-        assertThat(dashboardsOnlyUserRole.cluster().check(ClusterHealthAction.NAME, request, authentication), is(false));
-        assertThat(dashboardsOnlyUserRole.cluster().check(ClusterStateAction.NAME, request, authentication), is(false));
-        assertThat(dashboardsOnlyUserRole.cluster().check(ClusterStatsAction.NAME, request, authentication), is(false));
-        assertThat(dashboardsOnlyUserRole.cluster().check(PutIndexTemplateAction.NAME, request, authentication), is(false));
-        assertThat(dashboardsOnlyUserRole.cluster().check(ClusterRerouteAction.NAME, request, authentication), is(false));
-        assertThat(dashboardsOnlyUserRole.cluster().check(ClusterUpdateSettingsAction.NAME, request, authentication), is(false));
-        assertThat(dashboardsOnlyUserRole.cluster().check(MonitoringBulkAction.NAME, request, authentication), is(false));
-        assertThat(dashboardsOnlyUserRole.cluster().check(DelegatePkiAuthenticationAction.NAME, request, authentication), is(false));
-
-        assertThat(dashboardsOnlyUserRole.runAs().check(randomAlphaOfLengthBetween(1, 12)), is(false));
-
-        final String randomApplication = "kibana-" + randomAlphaOfLengthBetween(8, 24);
-        assertThat(dashboardsOnlyUserRole.application().grants(new ApplicationPrivilege(randomApplication, "app-random", "all"), "*"),
-            is(false));
-
-        final String application = "kibana-.kibana";
-        assertThat(dashboardsOnlyUserRole.application().grants(new ApplicationPrivilege(application, "app-foo", "foo"), "*"), is(false));
-        assertThat(dashboardsOnlyUserRole.application().grants(new ApplicationPrivilege(application, "app-all", "all"), "*"), is(false));
-        assertThat(dashboardsOnlyUserRole.application().grants(new ApplicationPrivilege(application, "app-read", "read"), "*"), is(true));
-
-        final String applicationWithRandomIndex = "kibana-.kibana_" + randomAlphaOfLengthBetween(8, 24);
-        assertThat(dashboardsOnlyUserRole.application().grants(
-            new ApplicationPrivilege(applicationWithRandomIndex, "app-random-index", "all"), "*"), is(false));
-
-        assertNoAccessAllowed(dashboardsOnlyUserRole, RestrictedIndicesNames.RESTRICTED_NAMES);
-        assertNoAccessAllowed(dashboardsOnlyUserRole, RestrictedIndicesNames.ASYNC_SEARCH_PREFIX + randomAlphaOfLengthBetween(0, 2));
-    }
-
     public void testSuperuserRole() {
         final TransportRequest request = mock(TransportRequest.class);
         final Authentication authentication = mock(Authentication.class);