174 lines
5.8 KiB
Java
174 lines
5.8 KiB
Java
package org.gcube.contentmanager.storageserver.startup;
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import static org.gcube.resources.discovery.icclient.ICFactory.clientFor;
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import static org.gcube.resources.discovery.icclient.ICFactory.queryFor;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import org.gcube.common.encryption.StringEncrypter;
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import org.gcube.common.resources.gcore.ServiceEndpoint;
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import org.gcube.common.resources.gcore.ServiceEndpoint.AccessPoint;
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import org.gcube.common.resources.gcore.ServiceEndpoint.Property;
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import org.gcube.common.scope.api.ScopeProvider;
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import org.gcube.contentmanager.storageserver.parse.utils.ValidationUtils;
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import org.gcube.resources.discovery.client.api.DiscoveryClient;
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import org.gcube.resources.discovery.client.queries.api.SimpleQuery;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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public class Configuration {
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private String scope;
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private String[] server;
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private String username;
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private String password;
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private String backendType;
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Logger logger= LoggerFactory.getLogger(Configuration.class);
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public Configuration(String scope, String user, String password){
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this.scope=scope;
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if(!ValidationUtils.validationScope(scope))
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throw new IllegalArgumentException("invalid scope exception: "+scope);
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}
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public String[] getServerAccess(){
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String savedScope=null;
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if(scope!=null){
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savedScope=ScopeProvider.instance.get();
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ScopeProvider.instance.set(scope);
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}
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logger.debug("get server from IS ");
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getServerRRFws();
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if(scope!=null){
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ScopeProvider.instance.set(savedScope);
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}
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logger.info("server found {} ", server);
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return server;
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}
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public String[] getServerRRFws(){
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SimpleQuery query = queryFor(ServiceEndpoint.class);
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query.addCondition("$resource/Profile/Category/text() eq 'DataStorage' and $resource/Profile/Name eq 'StorageManager' ");
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DiscoveryClient<ServiceEndpoint> client = clientFor(ServiceEndpoint.class);
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List<ServiceEndpoint> resources = client.submit(query);
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if(resources.size() > 1){
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logger.info("found "+resources.size()+" RR ");
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// take the RR with property priority setted to DEFAULT
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//take servers take RR name
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return getServers(resources);
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}else if(resources.size() == 1){
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logger.info("found only one RR, take it");
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return getServers(resources.get(0));
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//take RR name
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}else{
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logger.error("RUNTIME RESOURCE NOT FOUND IN THIS SCOPE "+ScopeProvider.instance.get());
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throw new RuntimeException("RUNTIME RESOURCE NOT FOUND IN SCOPE: "+ScopeProvider.instance.get());
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}
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}
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private String[] getServers(ServiceEndpoint res) {
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server=new String[res.profile().accessPoints().size()];
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int i=0;
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for (AccessPoint ap:res.profile().accessPoints()) {
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if (ap.name().equals("server"+(i+1))) {
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server[i] = ap.address();
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// if presents, try to get user and password
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username = ap.username();
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if(username != null && username.length() > 0){
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try {
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password = StringEncrypter.getEncrypter().decrypt(ap.password());
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} catch (Exception e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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}
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i++;
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}
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}
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Iterator<AccessPoint> it= res.profile().accessPoints().iterator();
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AccessPoint ap=(AccessPoint)it.next();
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Map<String, Property>map= ap.propertyMap();
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Property type=map.get("type");
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backendType=type.value();
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logger.info("Type of backend found "+backendType);
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return server;
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}
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private String[] getServers(List<ServiceEndpoint> resources) {
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ServiceEndpoint defaultResource=null;
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logger.info("search RR with priority ");
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// search RR with property DEFAULT
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for (ServiceEndpoint res : resources){
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String priority=retrievePropertyValue(res, "priority");
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if (priority!=null){
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defaultResource=res;
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logger.info("found a RR with priority: ");
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break;
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}
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}
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if(defaultResource!=null){
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server=new String[defaultResource.profile().accessPoints().size()];
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int i=0;
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for (AccessPoint ap:defaultResource.profile().accessPoints()) {
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if (ap.name().equals("server"+(i+1))) {
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server[i] = ap.address();
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// if presents, try to get user and password
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username = ap.username();
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password="";
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if(username != null && username.length() > 0){
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try {
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password = StringEncrypter.getEncrypter().decrypt(ap.password());
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} catch (Exception e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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}
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i++;
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}
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}
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backendType=retrievePropertyValue(defaultResource, "type");
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logger.info("Type of backend found in RR is "+backendType);
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return server;
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}else{
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throw new IllegalStateException("Runtime Resource found are more than 1 but all without default priority setted");
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}
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}
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private String retrievePropertyValue(String name, String scope) {
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String savedScope=null;
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if(scope!=null){
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savedScope=ScopeProvider.instance.get();
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ScopeProvider.instance.set(scope);
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}
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SimpleQuery query = queryFor(ServiceEndpoint.class);
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query.addCondition("$resource/Profile/Category/text() eq 'DataStorage' and $resource/Profile/Name eq 'StorageManager' ");
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DiscoveryClient<ServiceEndpoint> client = clientFor(ServiceEndpoint.class);
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List<ServiceEndpoint> resources = client.submit(query);
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ServiceEndpoint res=resources.get(0);
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Iterator<AccessPoint> it= res.profile().accessPoints().iterator();
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AccessPoint ap=(AccessPoint)it.next();
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Map<String, Property>map= ap.propertyMap();
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Property type=map.get(name);
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String value=type.value();
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if(scope!=null){
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ScopeProvider.instance.set(savedScope);
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}
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return value;
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}
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private String retrievePropertyValue(ServiceEndpoint res, String name) {
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Iterator<AccessPoint> it= res.profile().accessPoints().iterator();
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AccessPoint ap=(AccessPoint)it.next();
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Map<String, Property>map= ap.propertyMap();
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Property type=map.get(name);
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if (type!=null)
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return type.value();
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else
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return null;
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}
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}
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