private void createDeployment(SoftwareComponent softwareComponent, String location) {
Deployment deployment = new Deployment();
deployment.setLocation(location);
deployment.setDeployedComponent(softwareComponent);
deploymentRegistry.persist(deployment);
}
private void addDeploymentToEnvironment(
EnvironmentRegistry environmentRegistry, Environment environment, Deployment deployment) {
environment.attachDeployment(deployment);
environmentRegistry.update(environment);
if (log.isDebugEnabled()) {
log.debug(
"Successfully added deployment: "
+ deployment.getLocation()
+ "@"
+ deployment.getDeployedComponent().getCode()
+ " to Environment: "
+ environment.getCode());
}
}
/**
* This method implements the HTTP <code>GET</code> method of the present deployment carrying
* entity resource. It facilitates the retrieval of all deployments either attached to the present
* entity or one of its subentities. It expects the method to be addressed via the following URL
* pattern <code>/{Entity}/Deployment/all/{code}</code>. <code>{Entity}</code> is the name of the
* deployment carrying entity class, <code>{code}</code> is the code of the entity.
*
* @return a 500 code in case of an internal problem, a 404 code if the deployment carrying entity
* resource could not be found, a 200 code otherwise. The body of the response contains the
* XML representation of the retrieved entity codes.
* <p>The form is
* <blockquote>
* <list xmlns="http://www.mercatis.com/lighthouse3"> <code>AAA</code>
* <location>BBB</location> </list>
* </blockquote>
*/
@GET
@Path("Deployment/all/{code}")
@Produces("application/xml")
public Response findAllDeployments(
@PathParam("code") String code, @Context HttpServletRequest servletRequest) {
if (log.isDebugEnabled()) {
log.debug("Retrieving all deployments at " + getEntityDAO().getManagedType().getSimpleName());
}
List<Deployment> matches = new LinkedList<Deployment>();
try {
Entity entity = getEntityDAO().findByCode(code);
if (entity == null) {
log.error(
"Could not find "
+ getEntityDAO().getManagedType().getSimpleName()
+ " with code"
+ code);
return Response.status(Status.NOT_FOUND)
.entity("Could not find resource with code " + code)
.build();
}
if (overridableDenyAccess(servletRequest.getRemoteUser(), getContextRole(CtxOp.FIND), entity))
return Response.status(Status.UNAUTHORIZED).build();
for (Deployment d : entity.getAllDeployments()) {
StringBuilder context =
formatContext(
new StringBuilder("/Deployment/Deployment"),
d.getLocation(),
d.getDeployedComponent().getCode());
if (LighthouseAuthorizator.allowAccess(
getServiceContainer(), servletRequest.getRemoteUser(), "viewDeployment", context))
matches.add(d);
}
} catch (PersistenceException exception) {
log.error(
"Persistence exception caught while retrieving deployments for "
+ getEntityDAO().getManagedType().getSimpleName(),
exception);
return Response.status(Status.INTERNAL_SERVER_ERROR).entity(exception.toString()).build();
}
return Response.status(Status.OK).entity(createXmlListOfDeploymentReferences(matches)).build();
}
/**
* Via this method, event filters are registered with the event logger service for live
* notification about events of interest.
*
* @param filter the filter to register
*/
public synchronized void registerFilterForLiveEvents(EventFilter filter) {
if (log.isDebugEnabled())
log.debug("Registering event filter for live events: " + filter.getUuid());
// hibernate proxy prefetch workaround
if (filter.getTemplate().getContext() != null) {
if (Ranger.isEnumerationRange(filter.getTemplate().getContext())) {
for (Deployment d :
Ranger.castToEnumerationRange(filter.getTemplate().getContext()).getEnumeration()) {
d.getDeployedComponent().getCode();
}
} else {
filter.getTemplate().getContext().getDeployedComponent().getCode();
}
}
this.eventFiltersByUuid.put(filter.getUuid(), filter);
if (log.isDebugEnabled()) log.debug("Event filter for live events registered.");
}
/**
* Via this method, event filters are registered with the event logger service for live
* notification about events of interest. Before this happens though, the template in the filter
* is used to query the event registry. Matching events in this registry are sent to the client
* first before live event notification is established via <code>doRegisterEventFilter()</code>.
*
* @param filter the event filter to register
*/
public void registerEventFilter(EventFilter filter, int limit) {
if (log.isDebugEnabled())
log.debug("Passing event filter on to registration: " + filter.toString());
// hibernate proxy prefetch workaround
if (filter.getTemplate().getContext() != null) {
if (Ranger.isEnumerationRange(filter.getTemplate().getContext())) {
for (Deployment d :
Ranger.castToEnumerationRange(filter.getTemplate().getContext()).getEnumeration()) {
d.getDeployedComponent().getCode();
}
} else {
filter.getTemplate().getContext().getDeployedComponent().getCode();
}
}
EventFilterRegistrationHandler eventFilterRegistrationHandler =
this.createEventFilterRegistrationHandler(filter, limit);
this.eventFilterRegistrationThreadPool.execute(eventFilterRegistrationHandler);
}
/**
* Given a list of deployments, this method creates an XML list of references to those
* deployments.
*
* <p>The form is
*
* <blockquote>
*
* <list xmlns="http://www.mercatis.com/lighthouse3"> <code>AAA</code> <location>BBB</location>
* </list>
*
* </blockquote>
*
* @param entities the list of deployments for which to create the list
* @return the XML list of references
*/
protected String createXmlListOfDeploymentReferences(List<Deployment> deployments) {
StringWriter result = new StringWriter();
XmlWriter xml = new XmlEncXmlWriter(result);
try {
xml.writeEntity("list");
xml.writeAttribute("xmlns", XmlMuncher.MERCATIS_NS);
for (Deployment deployment : deployments) {
xml.writeEntity("entry");
xml.writeEntityWithText("code", deployment.getDeployedComponent().getCode());
xml.writeEntityWithText("location", deployment.getLocation());
xml.endEntity();
}
xml.endEntity();
} catch (IOException e) {
throw new ConflictException("Error creating result list");
}
return result.toString();
}
private void createContextForEvent(String eventXml) {
if (log.isDebugEnabled()) {
log.debug("Starting to create context for event: " + eventXml);
}
XmlMuncher xmlDocument = new XmlMuncher(eventXml);
String deploymentLocation = xmlDocument.readValueFromXml("/*/:context/:deploymentLocation");
String deployedComponentCode =
xmlDocument.readValueFromXml("/*/:context/:deployedComponentCode");
if (log.isDebugEnabled()) {
log.debug("Create if missing - softwareComponent: " + deployedComponentCode);
}
SoftwareComponent softwareComponent =
softwareComponentRegistry.findByCode(deployedComponentCode);
if (softwareComponent == null) {
createSoftwareComponent(deployedComponentCode);
softwareComponent = softwareComponentRegistry.findByCode(deployedComponentCode);
if (log.isDebugEnabled()) {
log.debug(
"Successfully created and persisted SoftwareComponent: " + softwareComponent.getCode());
}
} else {
if (log.isDebugEnabled()) {
log.debug("SoftwareComponent: " + deployedComponentCode + " already exists.");
}
}
if (log.isDebugEnabled()) {
log.debug(
"Create if missing - deployment: " + deployedComponentCode + " @ " + deploymentLocation);
}
Deployment deployment =
deploymentRegistry.findByComponentCodeAndLocation(
deployedComponentCode, deploymentLocation);
if (deployment == null) {
createDeployment(softwareComponent, deploymentLocation);
deployment =
deploymentRegistry.findByComponentAndLocation(softwareComponent, deploymentLocation);
if (log.isDebugEnabled()) {
log.debug(
"Successfully created and persisted Deployment: "
+ deployment.getLocation()
+ "@"
+ deployment.getDeployedComponent().getCode());
}
} else {
if (log.isDebugEnabled()) {
log.debug(
"Deployment: "
+ deployedComponentCode
+ " @ "
+ deploymentLocation
+ " already exists.");
}
}
if (log.isDebugEnabled()) {
log.debug("Create if missing - environment: " + autoDeployEnvironmentName);
}
EnvironmentRegistry environmentRegistry =
EventLoggerServiceContainer.getServiceContainer().getDAO(EnvironmentRegistry.class);
Environment environment = environmentRegistry.findByCode(autoDeployEnvironmentName);
if (environment == null) {
if (log.isDebugEnabled()) {
log.debug("Environment " + autoDeployEnvironmentName + " missing, creating it....");
}
createEnvironment(environmentRegistry, autoDeployEnvironmentName);
environment = environmentRegistry.findByCode(autoDeployEnvironmentName);
} else {
if (log.isDebugEnabled()) {
log.debug("Environment: " + autoDeployEnvironmentName + " already exists.");
}
}
if (!environment.hasAttachedDeployment(deployment)) {
if (log.isDebugEnabled()) {
log.debug(
"Attaching Deployment: "
+ deployedComponentCode
+ " @ "
+ deploymentLocation
+ " to Environment: "
+ autoDeployEnvironmentName);
}
addDeploymentToEnvironment(environmentRegistry, environment, deployment);
}
if (log.isDebugEnabled()) {
log.debug("Successfully created context for event: " + eventXml);
}
}
private String deploymentToString(Deployment d) {
return d.getDeployedComponent().getCode() + " @ " + d.getLocation();
}
