org.kie.server.controller.api java code examples

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protected ServerTemplate getServerTemplate(final String serverTemplateId){
  final ServerTemplate serverTemplate = templateStorage.load(serverTemplateId);
  if (serverTemplate == null) {
    throw new KieServerControllerIllegalArgumentException("No server template found for id " + serverTemplateId);
  }
  return serverTemplate;
}

@Override
public ContainerSpecList listContainerSpec(String serverTemplateId) {
  ServerTemplate serverTemplate = templateStorage.load(serverTemplateId);
  if (serverTemplate == null) {
    throw new KieServerControllerIllegalArgumentException("No server template found for id " + serverTemplateId);
  }
  return new ContainerSpecList(serverTemplate.getContainersSpec());
}

@Override
public synchronized void deleteServerTemplate(String serverTemplateId) {
  if (!templateStorage.exists(serverTemplateId)) {
    throw new KieServerControllerIllegalArgumentException("No server template found for id " + serverTemplateId);
  }
  templateStorage.delete(serverTemplateId);
  notificationService.notify(new ServerTemplateDeleted(serverTemplateId));
}

@Override
public synchronized void updateContainerSpec(final String serverTemplateId, final String containerId, final ContainerSpec containerSpec) {
  ServerTemplate serverTemplate = templateStorage.load(serverTemplateId);
  if (serverTemplate == null) {
    throw new KieServerControllerIllegalArgumentException("No server template found for id " + serverTemplateId);
  }
  if (!containerSpec.getId().equals(containerId)) {
    throw new KieServerControllerException("Cannot update container " + containerSpec.getId() + " on container " + containerId);
  }
  if (!serverTemplate.hasContainerSpec(containerSpec.getId())) {
    throw new KieServerControllerIllegalArgumentException("Server template with id " + serverTemplateId + " has no container with id " + containerSpec.getId());
  }
  if (!serverTemplate.hasMatchingId(containerSpec.getServerTemplateKey())) {
    throw new KieServerControllerException("Cannot change container template key during update.");
  }
  // make sure correct server template is set
  containerSpec.setServerTemplateKey(new ServerTemplateKey(serverTemplate.getId(), serverTemplate.getName()));
  ContainerSpec currentVersion = serverTemplate.getContainerSpec(containerSpec.getId());
  serverTemplate.deleteContainerSpec(currentVersion.getId());
  serverTemplate.addContainerSpec(containerSpec);
  templateStorage.update(serverTemplate);
  notificationService.notify(new ServerTemplateUpdated(serverTemplate));
  // in case container was started before it was update or update comes with status started update container in running servers
  if (currentVersion.getStatus().equals(KieContainerStatus.STARTED) || containerSpec.getStatus().equals(KieContainerStatus.STARTED)) {
    List<Container> containers = kieServerInstanceManager.upgradeAndStartContainer(serverTemplate, containerSpec);
    notificationService.notify(serverTemplate, containerSpec, containers);
  }
}

@Override
public synchronized void saveContainerSpec(String serverTemplateId,
                      ContainerSpec containerSpec) {
  ServerTemplate serverTemplate = templateStorage.load(serverTemplateId);
  if (serverTemplate == null) {
    throw new KieServerControllerIllegalArgumentException("No server template found for id " + serverTemplateId);
  }
  if (serverTemplate.hasContainerSpec(containerSpec.getId())) {
    throw new KieServerControllerException("Server template with id " + serverTemplateId + " associated already with container " + containerSpec.getId());
  }
  // make sure correct server template is set
  containerSpec.setServerTemplateKey(new ServerTemplateKey(serverTemplate.getId(), serverTemplate.getName()));
  serverTemplate.addContainerSpec(containerSpec);
  templateStorage.update(serverTemplate);
  notificationService.notify(new ServerTemplateUpdated(serverTemplate));
  if (containerSpec.getStatus().equals(KieContainerStatus.STARTED)) {
    List<Container> containers = kieServerInstanceManager.startContainer(serverTemplate, containerSpec);
    notificationService.notify(serverTemplate, containerSpec, containers);
  }
}

@Override
public synchronized void stopContainer(ContainerSpecKey containerSpecKey) {
  ServerTemplate serverTemplate = templateStorage.load(containerSpecKey.getServerTemplateKey().getId());
  if (serverTemplate == null) {
    throw new KieServerControllerIllegalArgumentException("No server template found for id " + containerSpecKey.getServerTemplateKey().getId());
  }
  ContainerSpec containerSpec = serverTemplate.getContainerSpec(containerSpecKey.getId());
  if (containerSpec == null) {
    throw new KieServerControllerIllegalArgumentException("No container spec found for id " + containerSpecKey.getId() + " within server template with id " + serverTemplate.getId());
  }
  containerSpec.setStatus(KieContainerStatus.STOPPED);
  templateStorage.update(serverTemplate);
  List<Container> containers = kieServerInstanceManager.stopContainer(serverTemplate, containerSpec);
  notificationService.notify(serverTemplate, containerSpec, containers);
}

@Override
public void scanNow(final ContainerSpecKey containerSpecKey) {
  ServerTemplate serverTemplate = templateStorage.load(containerSpecKey.getServerTemplateKey().getId());
  if (serverTemplate == null) {
    throw new KieServerControllerIllegalArgumentException("No server template found for id " + containerSpecKey.getServerTemplateKey().getId());
  }
  ContainerSpec containerSpec = serverTemplate.getContainerSpec(containerSpecKey.getId());
  if (containerSpec == null) {
    throw new KieServerControllerIllegalArgumentException("No container spec found for id " + containerSpecKey.getId());
  }
  List<Container> containers = kieServerInstanceManager.scanNow(serverTemplate,
                                 containerSpec);
  notificationService.notify(serverTemplate,
                containerSpec,
                containers);
}

@Override
public synchronized void deleteContainerSpec(String serverTemplateId,
                       String containerSpecId) {
  ServerTemplate serverTemplate = templateStorage.load(serverTemplateId);
  if (serverTemplate == null) {
    throw new KieServerControllerIllegalArgumentException("No server template found for id " + serverTemplateId);
  }
  if (serverTemplate.hasContainerSpec(containerSpecId)) {
    ContainerSpec containerSpec = serverTemplate.getContainerSpec(containerSpecId);
    kieServerInstanceManager.stopContainer(serverTemplate, containerSpec);
    serverTemplate.deleteContainerSpec(containerSpecId);
    templateStorage.update(serverTemplate);
    notificationService.notify(new ServerTemplateUpdated(serverTemplate));
  } else {
    throw new KieServerControllerIllegalArgumentException("Container " + containerSpecId + " not found");
  }
}

@Override
public synchronized void updateServerTemplateConfig(String serverTemplateId,
                          Capability capability,
                          ServerConfig serverTemplateConfig) {
  ServerTemplate serverTemplate = templateStorage.load(serverTemplateId);
  if (serverTemplate == null) {
    throw new KieServerControllerIllegalArgumentException("No server template found for id " + serverTemplateId);
  }
  Map<Capability, ServerConfig> configs = serverTemplate.getConfigs();
  configs.put(capability, serverTemplateConfig);
  serverTemplate.setConfigs(configs);
  templateStorage.update(serverTemplate);
  notificationService.notify(new ServerTemplateUpdated(serverTemplate));
}

@Override
public synchronized void disconnect(KieServerInfo serverInfo) {
  ServerTemplate serverTemplate = templateStorage.load(serverInfo.getServerId());
  if (serverTemplate != null) {
    logger.debug("Server id {} known to the controller, checking if given server exists", serverInfo.getServerId());
    if (serverTemplate != null) {
      logger.info("Server {} disconnected from controller", serverInfo.getLocation());
      ServerInstanceKey serverInstanceKey = ModelFactory.newServerInstanceKey(serverInfo.getServerId(), serverInfo.getLocation());
      serverTemplate.deleteServerInstance(serverInstanceKey.getServerInstanceId());
      templateStorage.update(serverTemplate);
      notifyOnDisconnect(serverInstanceKey, serverTemplate);
    }
  }
}

public ContainerList getServerTemplateContainers(final String serverTemplateId,
                          final String containerSpecId) {
  final ServerTemplate serverTemplate = getServerTemplate(serverTemplateId);
  if (serverTemplate.hasContainerSpec(containerSpecId) == false) {
    throw new KieServerControllerIllegalArgumentException("Server template with id " + serverTemplateId + " has no container with id " + containerSpecId);
  }
  final ContainerSpec containerSpec = serverTemplate.getContainerSpec(containerSpecId);
  Collection<Container> containers = kieServerInstanceManager.getContainers(serverTemplate,
                                       containerSpec);
  return new ContainerList(containers);
}

public ContainerList getServerInstanceContainers(final String serverTemplateId,
                          final String serverInstanceId) {
  final ServerTemplate serverTemplate = getServerTemplate(serverTemplateId);
  if (serverTemplate.hasServerInstanceId(serverInstanceId) == false) {
    throw new KieServerControllerIllegalArgumentException("Server template with id " + serverTemplateId + " has no instance with id " + serverInstanceId);
  }
  final ServerInstanceKey serverInstanceKey = serverTemplate.getServerInstance(serverInstanceId);
  Collection<Container> containers = kieServerInstanceManager.getContainers(serverInstanceKey);
  return new ContainerList(containers);
}

@Override
public ContainerSpec getContainerInfo(String serverTemplateId,
                   String containerId) {
  final ServerTemplate serverTemplate = getServerTemplate(serverTemplateId);
  if (serverTemplate == null) {
    throw new KieServerControllerIllegalArgumentException("No server template found for id " + serverTemplateId);
  }
  final ContainerSpec containerSpec = serverTemplate.getContainerSpec(containerId);
  if (containerSpec == null) {
    throw new KieServerControllerIllegalArgumentException("Server template " + serverTemplateId + " does not have container with id " + containerId);
  }
  return containerSpec;
}

@ApiOperation(value = "Disposes a specified KIE container in a specified KIE Server template.", code = 204)
@ApiResponses(value = {
    @ApiResponse(code = 204, message = "KIE container successfully disposed"),
    @ApiResponse(code = 404, message = "Container Specification or KIE Server template not found"),
    @ApiResponse(code = 400, message = "Controller exception"),
    @ApiResponse(code = 500, message = "Unexpected error")
})
@DELETE
@Path("servers/{serverTemplateId}/containers/{containerId}")
@Consumes({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
public Response deleteContainerSpec(@Context HttpHeaders headers,
                  @ApiParam(name = "serverTemplateId", value = "ID of the KIE Server template associated with the KIE container", required = true, example = "test-kie-server") @PathParam("serverTemplateId") String serverTemplateId,
                  @ApiParam(name = "containerId", value = "ID of the KIE container to be disposed", required = true, example = "evaluation_1.0.0-SNAPSHOT") @PathParam("containerId") String containerSpecId) {
  try {
    specManagementService.deleteContainerSpec(serverTemplateId, containerSpecId);
    // return null to produce 204
    return null;
  } catch (KieServerControllerIllegalArgumentException e) {
    return createCorrectVariant(e.getMessage(), headers, Response.Status.NOT_FOUND);
  } catch (KieServerControllerException e){
    return createCorrectVariant(REQUEST_FAILED_TOBE_PROCESSED + e.getMessage(), headers, Response.Status.BAD_REQUEST);
  } catch (Exception e) {
    logger.error("Remove container with id {} from server template with id {} failed due to {}", containerSpecId, serverTemplateId, e.getMessage(), e);
    return createCorrectVariant("Unknown error " + e.getMessage(), headers, Response.Status.INTERNAL_SERVER_ERROR);
  }
}

protected KieServicesClient getClient(final String url) {
  KieServicesClientProvider clientProvider = clientProviders.stream().filter(provider -> provider.supports(url)).findFirst().orElseThrow(() -> new KieServerControllerIllegalArgumentException("Kie Services Client Provider not found for url: " + url));
  logger.debug("Using client provider {}", clientProvider);
  KieServicesClient client = clientProvider.get(url);
  logger.debug("Using client {}", client);
  if(client == null){
    throw new KieServerControllerIllegalArgumentException("Kie Services Client not found for url: " + url);
  }
  return client;
}

public void destroy() {
  eventSupport.fireBeforeServerStopped(this);
  kieServerActive.set(false);
  policyManager.stop();
  // disconnect from controller
  KieServerController kieController = getController();
  kieController.disconnect(getInfoInternal());
  for (KieServerExtension extension : context.getServerExtensions()) {
    try {
      extension.destroy(this, this.context);
      this.context.unregisterServerExtension(extension);
      logger.info("{} has been successfully unregistered as server extension", extension);
    } catch (Exception e) {
      logger.error("Error when destroying server extension of type {}", extension, e);
    }
  }
  eventSupport.fireAfterServerStopped(this);
}

@Override
public synchronized void startContainer(ContainerSpecKey containerSpecKey) {
  ServerTemplate serverTemplate = templateStorage.load(containerSpecKey.getServerTemplateKey().getId());
  if (serverTemplate == null) {
    throw new KieServerControllerIllegalArgumentException("No server template found for id " + containerSpecKey.getServerTemplateKey().getId());
  }
  final ContainerSpec containerSpec = serverTemplate.getContainerSpec(containerSpecKey.getId());
  if (containerSpec == null) {
    throw new KieServerControllerIllegalArgumentException("No container spec found for id " + containerSpecKey.getId()
                                + " within server template with id " + serverTemplate.getId());
  }
  containerSpec.setStatus(KieContainerStatus.STARTED);
  templateStorage.update(serverTemplate);
  List<Container> containers = kieServerInstanceManager.startContainer(serverTemplate, containerSpec);
  notificationService.notify(serverTemplate, containerSpec, containers);
}

@Override
public ServerTemplate getServerTemplate(String serverTemplateId) {
  final ServerTemplate serverTemplate = templateStorage.load(serverTemplateId);
  if (serverTemplate == null) {
    throw new KieServerControllerIllegalArgumentException("No server template found for id " + serverTemplateId);
  }
  return serverTemplate;
}

@ApiOperation(value = "Deletes a specified KIE Server template", code = 204)
@ApiResponses(value = {
    @ApiResponse(code = 204, message = "KIE Server template successfully deleted"),
    @ApiResponse(code = 404, message = "KIE Server template not found"),
    @ApiResponse(code = 400, message = "Controller exception"),
    @ApiResponse(code = 500, message = "Unexpected error")
})
@DELETE
@Path("servers/{serverTemplateId}")
@Consumes({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
public Response deleteServerTemplate(@Context HttpHeaders headers,
                   @ApiParam(name = "serverTemplateId", value = "ID of the KIE Server template to be deleted", required = true, example = "test-kie-server") @PathParam("serverTemplateId") String serverTemplateId) {
  try {
    specManagementService.deleteServerTemplate(serverTemplateId);
    // return null to produce 204
    return null;
  } catch (KieServerControllerIllegalArgumentException e) {
    return createCorrectVariant(e.getMessage(), headers, Response.Status.NOT_FOUND);
  } catch (KieServerControllerException e){
    return createCorrectVariant(REQUEST_FAILED_TOBE_PROCESSED + e.getMessage(), headers, Response.Status.BAD_REQUEST);
  } catch (Exception e) {
    logger.error("Remove server template with id {} failed due to {}", serverTemplateId, e.getMessage(), e);
    return createCorrectVariant("Unknown error " + e.getMessage(), headers, Response.Status.INTERNAL_SERVER_ERROR);
  }
}

@ApiOperation(value = "Returns all KIE Server templates", response = ServerTemplateList.class)
@ApiResponses(value = {
    @ApiResponse(code = 200, message = "KIE Server templates", examples = @Example(value = {
        @ExampleProperty(mediaType = JSON, value = SERVER_TEMPLATE_LIST_JSON),
        @ExampleProperty(mediaType = XML, value = SERVER_TEMPLATE_LIST_XML)
    })),
    @ApiResponse(code = 404, message = "KIE Server template not found"),
    @ApiResponse(code = 400, message = "Controller exception"),
    @ApiResponse(code = 500, message = "Unexpected error")
})
@GET
@Path("servers")
@Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
@Consumes({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
public Response listServerTemplates(@Context HttpHeaders headers) {
  String contentType = getContentType(headers);
  try {
    logger.debug("Received get server templates");
    String response = marshal(contentType, specManagementService.listServerTemplates());
    logger.debug("Returning response for get server templates: {}", response);
    return createCorrectVariant(response, headers, Response.Status.OK);
  } catch (KieServerControllerIllegalArgumentException e) {
    return createCorrectVariant(e.getMessage(), headers, Response.Status.NOT_FOUND);
  } catch (KieServerControllerException e){
    return createCorrectVariant(REQUEST_FAILED_TOBE_PROCESSED + e.getMessage(), headers, Response.Status.BAD_REQUEST);
  } catch (Exception e) {
    logger.error("Get server templates failed due to {}", e.getMessage(), e);
    return createCorrectVariant("Unknown error " + e.getMessage(), headers, Response.Status.INTERNAL_SERVER_ERROR);
  }
}

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