X-Git-Url: http://git.argeo.org/?a=blobdiff_plain;ds=sidebyside;f=org.argeo.slc.jcr%2Fsrc%2Forg%2Fargeo%2Fslc%2Fjcr%2Fexecution%2FJcrAgent.java;fp=org.argeo.slc.jcr%2Fsrc%2Forg%2Fargeo%2Fslc%2Fjcr%2Fexecution%2FJcrAgent.java;h=7f776d1b164759d9b444add8f61165003b8292a3;hb=825d60c5348dbe3f5be25b0bccf7bdebfe694219;hp=0000000000000000000000000000000000000000;hpb=5e991fff5cba01858dcc5747a27e637325bc5c8e;p=gpl%2Fargeo-jcr.git diff --git a/org.argeo.slc.jcr/src/org/argeo/slc/jcr/execution/JcrAgent.java b/org.argeo.slc.jcr/src/org/argeo/slc/jcr/execution/JcrAgent.java new file mode 100644 index 0000000..7f776d1 --- /dev/null +++ b/org.argeo.slc.jcr/src/org/argeo/slc/jcr/execution/JcrAgent.java @@ -0,0 +1,116 @@ +package org.argeo.slc.jcr.execution; + +import java.net.InetAddress; +import java.net.UnknownHostException; +import java.util.UUID; + +import javax.jcr.Node; +import javax.jcr.Repository; +import javax.jcr.RepositoryException; +import javax.jcr.Session; +import javax.jcr.security.Privilege; + +import org.argeo.jcr.JcrUtils; +import org.argeo.slc.SlcConstants; +import org.argeo.slc.SlcException; +import org.argeo.slc.SlcNames; +import org.argeo.slc.SlcTypes; +import org.argeo.slc.runtime.DefaultAgent; +import org.argeo.slc.execution.ExecutionModulesManager; +import org.argeo.slc.execution.ExecutionProcess; +import org.argeo.slc.jcr.SlcJcrConstants; +import org.argeo.slc.runtime.ProcessThread; + +/** SLC VM agent synchronizing with a JCR repository. */ +public class JcrAgent extends DefaultAgent implements SlcNames { + // final static String ROLE_REMOTE = "ROLE_REMOTE"; + final static String NODE_REPO_URI = "argeo.node.repo.uri"; + + private Repository repository; + + private String agentNodeName = "default"; + + /* + * LIFECYCLE + */ + protected String initAgentUuid() { + Session session = null; + try { + session = repository.login(); + + String agentFactoryPath = getAgentFactoryPath(); + Node vmAgentFactoryNode = JcrUtils.mkdirsSafe(session, agentFactoryPath, SlcTypes.SLC_AGENT_FACTORY); + JcrUtils.addPrivilege(session, SlcJcrConstants.SLC_BASE_PATH, SlcConstants.ROLE_SLC, Privilege.JCR_ALL); + if (!vmAgentFactoryNode.hasNode(agentNodeName)) { + String uuid = UUID.randomUUID().toString(); + Node agentNode = vmAgentFactoryNode.addNode(agentNodeName, SlcTypes.SLC_AGENT); + agentNode.setProperty(SLC_UUID, uuid); + } + session.save(); + return vmAgentFactoryNode.getNode(agentNodeName).getProperty(SLC_UUID).getString(); + } catch (RepositoryException e) { + JcrUtils.discardQuietly(session); + throw new SlcException("Cannot find JCR agent UUID", e); + } finally { + JcrUtils.logoutQuietly(session); + } + } + + @Override + public void destroy() { + super.destroy(); + } + + /* + * SLC AGENT + */ + @Override + protected ProcessThread createProcessThread(ThreadGroup processesThreadGroup, + ExecutionModulesManager modulesManager, ExecutionProcess process) { + if (process instanceof JcrExecutionProcess) + return new JcrProcessThread(processesThreadGroup, modulesManager, (JcrExecutionProcess) process); + else + return super.createProcessThread(processesThreadGroup, modulesManager, process); + } + + /* + * UTILITIES + */ + public String getNodePath() { + return getAgentFactoryPath() + '/' + getAgentNodeName(); + } + + public String getAgentFactoryPath() { + try { + Boolean isRemote = System.getProperty(NODE_REPO_URI) != null; + String agentFactoryPath; + if (isRemote) { + InetAddress localhost = InetAddress.getLocalHost(); + agentFactoryPath = SlcJcrConstants.AGENTS_BASE_PATH + "/" + localhost.getCanonicalHostName(); + + if (agentFactoryPath.equals(SlcJcrConstants.VM_AGENT_FACTORY_PATH)) + throw new SlcException("Unsupported hostname " + localhost.getCanonicalHostName()); + } else {// local + agentFactoryPath = SlcJcrConstants.VM_AGENT_FACTORY_PATH; + } + return agentFactoryPath; + } catch (UnknownHostException e) { + throw new SlcException("Cannot find agent factory base path", e); + } + } + + /* + * BEAN + */ + public String getAgentNodeName() { + return agentNodeName; + } + + public void setRepository(Repository repository) { + this.repository = repository; + } + + public void setAgentNodeName(String agentNodeName) { + this.agentNodeName = agentNodeName; + } +}