| /* |
| * 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 buildin |
| |
| import ( |
| "context" |
| "errors" |
| "fmt" |
| "github.com/apache/servicecomb-service-center/pkg/log" |
| "github.com/apache/servicecomb-service-center/server/core" |
| "github.com/apache/servicecomb-service-center/server/core/backend" |
| mgr "github.com/apache/servicecomb-service-center/server/plugin" |
| "github.com/apache/servicecomb-service-center/server/plugin/discovery" |
| "github.com/apache/servicecomb-service-center/server/plugin/quota" |
| "github.com/apache/servicecomb-service-center/server/plugin/registry" |
| scerr "github.com/apache/servicecomb-service-center/server/scerror" |
| ) |
| |
| type GetCurUsedNum func(context.Context, *quota.ApplyQuotaResource) (int64, error) |
| type GetLimitQuota func() int64 |
| |
| func CommonQuotaCheck(ctx context.Context, res *quota.ApplyQuotaResource, |
| getLimitQuota GetLimitQuota, getCurUsedNum GetCurUsedNum) *quota.ApplyQuotaResult { |
| if res == nil || getLimitQuota == nil || getCurUsedNum == nil { |
| err := errors.New("invalid parameters") |
| log.Errorf(err, "quota check failed") |
| return quota.NewApplyQuotaResult(nil, scerr.NewError(scerr.ErrInternal, err.Error())) |
| } |
| |
| limitQuota := getLimitQuota() |
| curNum, err := getCurUsedNum(ctx, res) |
| if err != nil { |
| log.Errorf(err, "%s quota check failed", res.QuotaType) |
| return quota.NewApplyQuotaResult(nil, scerr.NewError(scerr.ErrInternal, err.Error())) |
| } |
| if curNum+res.QuotaSize > limitQuota { |
| mes := fmt.Sprintf("no quota to create %s, max num is %d, curNum is %d, apply num is %d", |
| res.QuotaType, limitQuota, curNum, res.QuotaSize) |
| log.Errorf(nil, mes) |
| return quota.NewApplyQuotaResult(nil, scerr.NewError(scerr.ErrNotEnoughQuota, mes)) |
| } |
| return quota.NewApplyQuotaResult(nil, nil) |
| } |
| |
| func resourceQuota(t quota.ResourceType) GetLimitQuota { |
| return func() int64 { |
| switch t { |
| case quota.MicroServiceInstanceQuotaType: |
| return int64(quota.DefaultInstanceQuota) |
| case quota.MicroServiceQuotaType: |
| return int64(quota.DefaultServiceQuota) |
| case quota.RuleQuotaType: |
| return int64(quota.DefaultRuleQuota) |
| case quota.SchemaQuotaType: |
| return int64(quota.DefaultSchemaQuota) |
| case quota.TagQuotaType: |
| return int64(quota.DefaultTagQuota) |
| default: |
| return 0 |
| } |
| } |
| } |
| |
| func resourceLimitHandler(ctx context.Context, res *quota.ApplyQuotaResource) (int64, error) { |
| var key string |
| var indexer discovery.Indexer |
| |
| domainProject := res.DomainProject |
| serviceID := res.ServiceID |
| |
| switch res.QuotaType { |
| case quota.MicroServiceInstanceQuotaType: |
| return globalCounter.InstanceCount, nil |
| case quota.MicroServiceQuotaType: |
| return globalCounter.ServiceCount, nil |
| case quota.RuleQuotaType: |
| key = core.GenerateServiceRuleKey(domainProject, serviceID, "") |
| indexer = backend.Store().Rule() |
| case quota.SchemaQuotaType: |
| key = core.GenerateServiceSchemaKey(domainProject, serviceID, "") |
| indexer = backend.Store().Schema() |
| case quota.TagQuotaType: |
| // always re-create the service old tags |
| return 0, nil |
| default: |
| return 0, fmt.Errorf("not define quota type '%s'", res.QuotaType) |
| } |
| |
| resp, err := indexer.Search(ctx, |
| registry.WithStrKey(key), |
| registry.WithPrefix(), |
| registry.WithCountOnly()) |
| if err != nil { |
| return 0, err |
| } |
| return resp.Count, nil |
| } |
| |
| func InitConfigs() { |
| mgr.QUOTA.ActiveConfigs(). |
| Set("service", quota.DefaultServiceQuota). |
| Set("instance", quota.DefaultInstanceQuota). |
| Set("schema", quota.DefaultSchemaQuota). |
| Set("tag", quota.DefaultTagQuota). |
| Set("rule", quota.DefaultRuleQuota) |
| } |