| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with this |
| * work for additional information regarding copyright ownership. The ASF |
| * licenses this file to you 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.apache.knox.gateway.topology.discovery.cm.model.impala; |
| |
| import com.cloudera.api.swagger.client.ApiException; |
| import com.cloudera.api.swagger.model.ApiConfigList; |
| import com.cloudera.api.swagger.model.ApiRole; |
| import com.cloudera.api.swagger.model.ApiService; |
| import com.cloudera.api.swagger.model.ApiServiceConfig; |
| import org.apache.knox.gateway.topology.discovery.cm.ServiceModel; |
| import org.apache.knox.gateway.topology.discovery.cm.ServiceModelGeneratorHandleResponse; |
| import org.apache.knox.gateway.topology.discovery.cm.model.AbstractServiceModelGenerator; |
| |
| import java.util.Locale; |
| |
| public class ImpalaUIServiceModelGenerator extends AbstractServiceModelGenerator { |
| |
| public static final String SERVICE = "IMPALAUI"; |
| public static final String SERVICE_TYPE = "IMPALA"; |
| public static final String ROLE_TYPE = "IMPALAD"; |
| |
| static final String ENABLE_WEBSERVER = "impalad_enable_webserver"; |
| static final String SSL_ENABLED = "client_services_ssl_enabled"; |
| static final String WEBSERVER_PORT = "impalad_webserver_port"; |
| |
| @Override |
| public String getService() { |
| return SERVICE; |
| } |
| |
| @Override |
| public String getServiceType() { |
| return SERVICE_TYPE; |
| } |
| |
| @Override |
| public String getRoleType() { |
| return ROLE_TYPE; |
| } |
| |
| @Override |
| public ServiceModel.Type getModelType() { |
| return ServiceModel.Type.UI; |
| } |
| |
| @Override |
| public ServiceModelGeneratorHandleResponse handles(ApiService service, ApiServiceConfig serviceConfig, ApiRole role, ApiConfigList roleConfig) { |
| final ServiceModelGeneratorHandleResponse response = super.handles(service, serviceConfig, role, roleConfig); |
| if (response.handled()) { |
| final String impalaWebserverEnabled = getRoleConfigValue(roleConfig, ENABLE_WEBSERVER); |
| if (impalaWebserverEnabled == null) { |
| response.addConfigurationIssue("Missing configuration: " + ENABLE_WEBSERVER); |
| } else if (!Boolean.parseBoolean(impalaWebserverEnabled)) { |
| response.addConfigurationIssue("Invalid configuration: " + ENABLE_WEBSERVER + ". Expected=true; Found=" + impalaWebserverEnabled); |
| } |
| } |
| return response; |
| } |
| |
| @Override |
| public ServiceModel generateService(ApiService service, |
| ApiServiceConfig serviceConfig, |
| ApiRole role, |
| ApiConfigList roleConfig) throws ApiException { |
| String hostname = role.getHostRef().getHostname(); |
| |
| String sslEnabled = getServiceConfigValue(serviceConfig, SSL_ENABLED); |
| String scheme = Boolean.parseBoolean(sslEnabled) ? "https" : "http"; |
| |
| String port = getRoleConfigValue(roleConfig, WEBSERVER_PORT); |
| |
| ServiceModel model = createServiceModel(String.format(Locale.getDefault(), "%s://%s:%s/", scheme, hostname, port)); |
| model.addServiceProperty(SSL_ENABLED, sslEnabled); |
| model.addRoleProperty(getRoleType(), WEBSERVER_PORT, port); |
| model.addRoleProperty(getRoleType(), ENABLE_WEBSERVER, getRoleConfigValue(roleConfig, ENABLE_WEBSERVER)); |
| |
| return model; |
| } |
| } |