202 lines
8.0 KiB
Java
202 lines
8.0 KiB
Java
/****************************************************************************
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* This software is part of the gCube Project.
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* Site: http://www.gcube-system.org/
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****************************************************************************
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* The gCube/gCore software is licensed as Free Open Source software
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* conveying to the EUPL (http://ec.europa.eu/idabc/eupl).
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* The software and documentation is provided by its authors/distributors
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* "as is" and no expressed or
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* implied warranty is given for its use, quality or fitness for a
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* particular case.
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****************************************************************************
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* Filename: GHNManager.java
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****************************************************************************
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* @author <a href="mailto:daniele.strollo@isti.cnr.it">Daniele Strollo</a>
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***************************************************************************/
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package org.gcube.resourcemanagement.support.server.managers.resources;
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import java.io.StringReader;
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import org.gcube.common.resources.gcore.HostingNode;
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import org.gcube.common.resources.gcore.Resource;
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import org.gcube.common.resources.gcore.Resources;
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import org.gcube.common.scope.api.ScopeProvider;
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import org.gcube.common.scope.impl.ScopeBean;
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import org.gcube.common.vremanagement.ghnmanager.client.GHNManagerLibrary;
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import org.gcube.common.vremanagement.ghnmanager.client.fws.Types.AddScopeInputParams;
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import org.gcube.common.vremanagement.ghnmanager.client.fws.Types.ShutdownOptions;
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import org.gcube.common.vremanagement.ghnmanager.client.proxies.Proxies;
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import org.gcube.resourcemanagement.support.server.exceptions.AbstractResourceException;
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import org.gcube.resourcemanagement.support.server.exceptions.ResourceAccessException;
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import org.gcube.resourcemanagement.support.server.exceptions.ResourceOperationException;
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import org.gcube.resourcemanagement.support.server.exceptions.ResourceParameterException;
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import org.gcube.resourcemanagement.support.server.types.AllowedResourceTypes;
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import org.gcube.resourcemanagement.support.server.utils.Assertion;
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import org.gcube.resourcemanagement.support.server.utils.ServerConsole;
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/**
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* @author Daniele Strollo (ISTI-CNR)
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*
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*/
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public class GHNManager extends AbstractResourceManager {
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private static final String LOG_PREFIX = "[GHN-MGR]";
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/**
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* @deprecated discouraged use. With no ID some operations cannot be accessed.
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*/
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public GHNManager()
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throws ResourceParameterException, ResourceAccessException {
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super(AllowedResourceTypes.GHN);
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}
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/**
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* @param id the identifier of wrapper resource.
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* @throws ResourceParameterException
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* @throws ResourceAccessException
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*/
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public GHNManager(final String id)
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throws ResourceParameterException, ResourceAccessException {
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super(id, AllowedResourceTypes.GHN);
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}
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/**
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* @param id
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* @param name
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* @throws ResourceParameterException
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* @throws ResourceAccessException
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*/
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public GHNManager(final String id, final String name)
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throws ResourceParameterException, ResourceAccessException {
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super(id, name, AllowedResourceTypes.GHN);
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}
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/**
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* @param id
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* @param name
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* @param subtype
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* @throws ResourceParameterException
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* @throws ResourceAccessException
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*/
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public GHNManager(final String id, final String name, final String subtype)
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throws ResourceParameterException, ResourceAccessException {
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super(id, name, AllowedResourceTypes.GHN, subtype);
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}
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/**
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* Add a scope to a gHN and the related Service Map that is not available on the gHN.
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* <p>
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* <b>Required information:</b>
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* <br/>
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* The <i>ID</i> of the resource must be specified and valid.</p>
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* @param scope
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* @param scopeMap
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* @return the generated reportID
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* @throws ResourceParameterException
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* @throws ResourceOperationException
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*/
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public final String addToNewScope(final ScopeBean sourceScope, final ScopeBean targetScope, final String scopeMap)
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throws AbstractResourceException {
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Assertion<AbstractResourceException> checker = new Assertion<AbstractResourceException>();
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checker.validate(sourceScope != null, new ResourceParameterException("Parameter sourceScope null not allowed."));
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checker.validate(targetScope != null, new ResourceParameterException("Parameter targetScope null not allowed."));
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checker.validate(scopeMap != null && scopeMap.trim().length() > 0, new ResourceParameterException("Invalid scopeMap parameter."));
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checker.validate(this.getID() != null, new ResourceOperationException("This operation cannot be applied to resources with no ID."));
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if (!sourceScope.toString().contains(targetScope.toString())) {
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throw new ResourceOperationException(
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"You are not allowed to apply to this scope. Target scope is not enclosed in the source one.");
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}
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ServerConsole.trace(
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LOG_PREFIX,
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"Adding from scope " +
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sourceScope.toString() +
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"Adding to existing scope " +
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targetScope.toString() +
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" " + this.getType() + " " + this.getID());
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AddScopeInputParams params = new AddScopeInputParams();
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params.setScope(sourceScope.toString());
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params.setMap(scopeMap.trim()); //eventually, set here the new Service Map
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try {
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this.getGHNManager(sourceScope).addScope(params);
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} catch (Exception e) {
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throw new ResourceOperationException(
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"Failed to add the new scope to the gHN " + this.getID() + ": " + e.getMessage());
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}
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return this.addToExistingScope(sourceScope, targetScope);
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}
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/**
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* <p>
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* <b>Required information:</b>
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* <br/>
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* The <i>name</i> of the resource must be specified and valid. It is used to retrieve the GHN manager URL.</p>
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* @param scope the scope in which the manager is bound.
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* @return
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* @throws AbstractResourceException
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*/
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public final GHNManagerLibrary getGHNManager(final ScopeBean scope) throws AbstractResourceException {
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Assertion<AbstractResourceException> checker = new Assertion<AbstractResourceException>();
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checker.validate(scope != null, new ResourceParameterException("Invalid scope"));
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checker.validate(this.getName() != null, new ResourceOperationException("This operation cannot be applied to resources with no name."));
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String currScope = ScopeProvider.instance.get();
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ScopeProvider.instance.set(scope.toString());
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ServerConsole.info(LOG_PREFIX, "Getting Resource Manager in scope [" + scope.toString() + "]");
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GHNManagerLibrary ghnMan = Proxies.service().build();
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if (ghnMan == null) { // no managers found
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throw new ResourceAccessException("Unable to find GHNManagers for resource " + this.getType() + " in scope: " + scope.toString());
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}
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ScopeProvider.instance.set(currScope);
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return ghnMan;
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}
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/**
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* Implements all the three possible shutdown policies according to
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* restart and clean parameters.
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* <p>
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* <b>Required information:</b>
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* <br/>
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* The <i>ID</i> of the resource must be specified and valid.</p>
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* @param scope
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* @param restart
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* @param clean
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* @throws ResourceOperationException
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* @throws ResourceAccessException
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* @throws ResourceParameterException
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*/
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public final void shutDown(final ScopeBean scope, final boolean restart, final boolean clean)
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throws AbstractResourceException {
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Assertion<ResourceAccessException> checker = new Assertion<ResourceAccessException>();
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checker.validate(this.getID() != null, new ResourceAccessException("This operation cannot be applied to resources with no ID."));
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GHNManagerLibrary ghnManager = this.getGHNManager(scope);
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ServerConsole.trace(LOG_PREFIX, "Shutting down " + scope.toString() + " " + this.getType() + " " + this.getID());
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ShutdownOptions options = new ShutdownOptions();
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options.setRestart(restart);
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options.setClean(clean);
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try {
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ghnManager.shutdown(options);
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} catch (Exception e) {
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throw new ResourceOperationException("Cannot shutdown ghn: " + this.getID());
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}
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}
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@Override
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protected final Resource buildResource(final String xmlRepresentation) throws AbstractResourceException {
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try {
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HostingNode deserialised = Resources.unmarshal(HostingNode.class, new StringReader(xmlRepresentation));
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return deserialised;
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} catch (Exception e) {
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throw new ResourceAccessException("Cannot load the stub for resource " + this.getType(), e);
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}
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}
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}
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