| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.pulsar.broker.admin.impl; |
| |
| import java.util.List; |
| import javax.ws.rs.core.Response; |
| import org.apache.pulsar.broker.admin.AdminResource; |
| import org.apache.pulsar.broker.web.RestException; |
| import org.apache.pulsar.common.naming.NamespaceName; |
| import org.apache.pulsar.common.policies.data.Policies; |
| import org.apache.pulsar.common.policies.data.ResourceGroup; |
| import org.apache.pulsar.metadata.api.MetadataStoreException; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public abstract class ResourceGroupsBase extends AdminResource { |
| protected List<String> internalGetResourceGroups() { |
| try { |
| validateSuperUserAccess(); |
| return resourceGroupResources().listResourceGroups(); |
| } catch (Exception e) { |
| log.error("[{}] Failed to get ResourceGroups list: {}", clientAppId(), e); |
| throw new RestException(e); |
| } |
| } |
| |
| protected ResourceGroup internalGetResourceGroup(String rgName) { |
| try { |
| validateSuperUserAccess(); |
| ResourceGroup resourceGroup = resourceGroupResources().getResourceGroup(rgName) |
| .orElseThrow(() -> new RestException(Response.Status.NOT_FOUND, "ResourceGroup does not exist")); |
| return resourceGroup; |
| } catch (RestException re) { |
| throw re; |
| } catch (Exception e) { |
| log.error("[{}] Failed to get ResourceGroup {}", clientAppId(), rgName, e); |
| throw new RestException(e); |
| } |
| } |
| |
| protected void internalUpdateResourceGroup(String rgName, ResourceGroup rgConfig) { |
| |
| try { |
| ResourceGroup resourceGroup = resourceGroupResources().getResourceGroup(rgName).orElseThrow(() -> |
| new RestException(Response.Status.NOT_FOUND, "ResourceGroup does not exist")); |
| |
| /* |
| * assuming read-modify-write |
| */ |
| if (rgConfig.getPublishRateInMsgs() != null) { |
| resourceGroup.setPublishRateInMsgs(rgConfig.getPublishRateInMsgs()); |
| } |
| if (rgConfig.getPublishRateInBytes() != null) { |
| resourceGroup.setPublishRateInBytes(rgConfig.getPublishRateInBytes()); |
| } |
| if (rgConfig.getDispatchRateInMsgs() != null) { |
| resourceGroup.setDispatchRateInMsgs(rgConfig.getDispatchRateInMsgs()); |
| } |
| if (rgConfig.getDispatchRateInBytes() != null) { |
| resourceGroup.setDispatchRateInBytes(rgConfig.getDispatchRateInBytes()); |
| } |
| |
| // write back the new ResourceGroup config. |
| resourceGroupResources().updateResourceGroup(rgName, r -> resourceGroup); |
| log.info("[{}] Successfully updated the ResourceGroup {}", clientAppId(), rgName); |
| } catch (RestException pfe) { |
| throw pfe; |
| } catch (Exception e) { |
| log.error("[{}] Failed to update configuration for ResourceGroup {}", clientAppId(), rgName, e); |
| throw new RestException(e); |
| } |
| } |
| |
| protected void internalCreateResourceGroup(String rgName, ResourceGroup rgConfig) { |
| rgConfig.setPublishRateInMsgs(rgConfig.getPublishRateInMsgs() == null |
| ? -1 : rgConfig.getPublishRateInMsgs()); |
| rgConfig.setPublishRateInBytes(rgConfig.getPublishRateInBytes() == null |
| ? -1 : rgConfig.getPublishRateInBytes()); |
| rgConfig.setDispatchRateInMsgs(rgConfig.getDispatchRateInMsgs() == null |
| ? -1 : rgConfig.getDispatchRateInMsgs()); |
| rgConfig.setDispatchRateInBytes(rgConfig.getDispatchRateInBytes() == null |
| ? -1 : rgConfig.getDispatchRateInBytes()); |
| try { |
| resourceGroupResources().createResourceGroup(rgName, rgConfig); |
| log.info("[{}] Created ResourceGroup {}", clientAppId(), rgName); |
| } catch (MetadataStoreException.AlreadyExistsException e) { |
| log.warn("[{}] Failed to create ResourceGroup {} - already exists", clientAppId(), rgName); |
| throw new RestException(Response.Status.CONFLICT, "ResourceGroup already exists"); |
| } catch (Exception e) { |
| log.error("[{}] Failed to create ResourceGroup {}", clientAppId(), rgName, e); |
| throw new RestException(e); |
| } |
| |
| } |
| protected void internalCreateOrUpdateResourceGroup(String rgName, ResourceGroup rgConfig) { |
| try { |
| validateSuperUserAccess(); |
| checkNotNull(rgConfig); |
| /* |
| * see if ResourceGroup exists and treat the request as a update if it does. |
| */ |
| boolean rgExists = false; |
| try { |
| rgExists = resourceGroupResources().resourceGroupExists(rgName); |
| } catch (Exception e) { |
| log.error("[{}] Failed to create/update ResourceGroup {}: {}", clientAppId(), rgName, e); |
| } |
| |
| try { |
| if (rgExists) { |
| internalUpdateResourceGroup(rgName, rgConfig); |
| } else { |
| internalCreateResourceGroup(rgName, rgConfig); |
| } |
| } catch (Exception e) { |
| log.error("[{}] Failed to create/update ResourceGroup {}: {}", clientAppId(), rgName, e); |
| throw new RestException(e); |
| } |
| } catch (Exception e) { |
| log.error("[{}] Failed to create/update ResourceGroup {}: {}", clientAppId(), rgName, e); |
| throw new RestException(e); |
| } |
| } |
| |
| protected boolean internalCheckRgInUse(String rgName) { |
| try { |
| for (String tenant : tenantResources().listTenants()) { |
| for (String namespace : tenantResources().getListOfNamespaces(tenant)) { |
| Policies policies = getNamespacePolicies(NamespaceName.get(namespace)); |
| if (null != policies && rgName.equals(policies.resource_group_name)) { |
| return true; |
| } |
| } |
| } |
| } catch (Exception e) { |
| log.error("[{}] Failed to get tenant/namespace list {}: {}", clientAppId(), rgName, e); |
| throw new RestException(e); |
| } |
| return false; |
| } |
| |
| protected void internalDeleteResourceGroup(String rgName) { |
| /* |
| * need to walk the namespaces and make sure it is not in use |
| */ |
| try { |
| validateSuperUserAccess(); |
| /* |
| * walk the namespaces and make sure it is not in use. |
| */ |
| if (internalCheckRgInUse(rgName)) { |
| throw new RestException(Response.Status.PRECONDITION_FAILED, "ResourceGroup is in use"); |
| } |
| resourceGroupResources().deleteResourceGroup(rgName); |
| log.info("[{}] Deleted ResourceGroup {}", clientAppId(), rgName); |
| } catch (Exception e) { |
| log.error("[{}] Failed to delete ResourceGroup {}.", clientAppId(), rgName, e); |
| throw new RestException(e); |
| } |
| } |
| |
| private static final Logger log = LoggerFactory.getLogger(ResourceGroupsBase.class); |
| } |