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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,162 @@ | ||
| // The MIT License | ||
| // | ||
| // Copyright (c) 2020 Temporal Technologies Inc. All rights reserved. | ||
| // | ||
| // Copyright (c) 2020 Uber Technologies, Inc. | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| // of this software and associated documentation files (the "Software"), to deal | ||
| // in the Software without restriction, including without limitation the rights | ||
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| // copies of the Software, and to permit persons to whom the Software is | ||
| // furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in | ||
| // all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| // THE SOFTWARE. | ||
|
|
||
| package deletenamespace | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "math/rand" | ||
| "time" | ||
|
|
||
| enumspb "go.temporal.io/api/enums/v1" | ||
| "go.temporal.io/api/serviceerror" | ||
|
|
||
| "go.temporal.io/server/common/log" | ||
| "go.temporal.io/server/common/log/tag" | ||
| "go.temporal.io/server/common/metrics" | ||
| "go.temporal.io/server/common/namespace" | ||
| "go.temporal.io/server/common/persistence" | ||
| ) | ||
|
|
||
| type ( | ||
| activities struct { | ||
| metadataManager persistence.MetadataManager | ||
| metricsClient metrics.Client | ||
| logger log.Logger | ||
| } | ||
| ) | ||
|
|
||
| func NewActivities( | ||
| metadataManager persistence.MetadataManager, | ||
| metricsClient metrics.Client, | ||
| logger log.Logger, | ||
| ) *activities { | ||
| return &activities{ | ||
| metadataManager: metadataManager, | ||
| metricsClient: metricsClient, | ||
| logger: logger, | ||
| } | ||
| } | ||
|
|
||
| func (a *activities) GetNamespaceIDActivity(_ context.Context, nsName namespace.Name) (namespace.ID, error) { | ||
| getNamespaceRequest := &persistence.GetNamespaceRequest{ | ||
| Name: nsName.String(), | ||
| } | ||
|
|
||
| getNamespaceResponse, err := a.metadataManager.GetNamespace(getNamespaceRequest) | ||
| if err != nil { | ||
| return namespace.EmptyID, err | ||
| } | ||
|
|
||
| if getNamespaceResponse.Namespace == nil || getNamespaceResponse.Namespace.Info == nil || getNamespaceResponse.Namespace.Info.Id == "" { | ||
| return namespace.EmptyID, serviceerror.NewInternal("namespace info is corrupted") | ||
| } | ||
|
|
||
| return namespace.ID(getNamespaceResponse.Namespace.Info.Id), nil | ||
| } | ||
|
|
||
| func (a *activities) MarkNamespaceDeletedActivity(_ context.Context, nsName namespace.Name) error { | ||
| getNamespaceRequest := &persistence.GetNamespaceRequest{ | ||
| Name: nsName.String(), | ||
| } | ||
|
|
||
| metadata, err := a.metadataManager.GetMetadata() | ||
| if err != nil { | ||
| a.metricsClient.IncCounter(metrics.DeleteNamespaceWorkflowScope, metrics.ReadNamespaceFailuresCount) | ||
| a.logger.Error("Unable to get cluster metadata.", tag.WorkflowNamespace(nsName.String()), tag.Error(err)) | ||
| return err | ||
| } | ||
|
|
||
| ns, err := a.metadataManager.GetNamespace(getNamespaceRequest) | ||
| if err != nil { | ||
| a.metricsClient.IncCounter(metrics.DeleteNamespaceWorkflowScope, metrics.ReadNamespaceFailuresCount) | ||
| a.logger.Error("Unable to get namespace details.", tag.WorkflowNamespace(nsName.String()), tag.Error(err)) | ||
| return err | ||
| } | ||
|
|
||
| ns.Namespace.Info.State = enumspb.NAMESPACE_STATE_DELETED | ||
|
|
||
| updateRequest := &persistence.UpdateNamespaceRequest{ | ||
| Namespace: ns.Namespace, | ||
| IsGlobalNamespace: ns.IsGlobalNamespace, | ||
| NotificationVersion: metadata.NotificationVersion, | ||
| } | ||
|
|
||
| err = a.metadataManager.UpdateNamespace(updateRequest) | ||
| if err != nil { | ||
| a.metricsClient.IncCounter(metrics.DeleteNamespaceWorkflowScope, metrics.UpdateNamespaceFailuresCount) | ||
| a.logger.Error("Unable to update namespace state to Deleted.", tag.WorkflowNamespace(nsName.String()), tag.Error(err)) | ||
| return err | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func (a *activities) GenerateDeletedNamespaceNameActivity(_ context.Context, nsName namespace.Name) (namespace.Name, error) { | ||
| var letters = []rune("1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ") | ||
| const suffixLength = 5 | ||
| rand.Seed(time.Now().UnixNano()) | ||
|
|
||
| for { // Just in case. Generated name should always be unique after first attempt. | ||
| b := make([]rune, suffixLength) | ||
| for i := range b { | ||
| b[i] = letters[rand.Intn(len(letters))] | ||
| } | ||
|
|
||
| newName := fmt.Sprintf("%s-deleted-%s", nsName, string(b)) | ||
|
|
||
| _, err := a.metadataManager.GetNamespace(&persistence.GetNamespaceRequest{ | ||
| Name: newName, | ||
| }) | ||
| switch err.(type) { | ||
| case nil: | ||
| a.logger.Warn("Regenerate namespace name due to collision.", tag.WorkflowNamespace(nsName.String()), tag.WorkflowNamespace(newName)) | ||
| case *serviceerror.NotFound: | ||
| a.logger.Info("Generated new name for deleted namespace.", tag.WorkflowNamespace(nsName.String()), tag.WorkflowNamespace(newName)) | ||
| return namespace.Name(newName), nil | ||
| default: | ||
| a.metricsClient.IncCounter(metrics.DeleteNamespaceWorkflowScope, metrics.ReadNamespaceFailuresCount) | ||
| a.logger.Error("Unable to get namespace details.", tag.WorkflowNamespace(nsName.String()), tag.Error(err)) | ||
| return namespace.EmptyName, err | ||
| } | ||
| } | ||
| } | ||
|
|
||
| func (a *activities) RenameNamespaceActivity(_ context.Context, previousName namespace.Name, newName namespace.Name) error { | ||
| renameNamespaceRequest := &persistence.RenameNamespaceRequest{ | ||
| PreviousName: previousName.String(), | ||
| NewName: newName.String(), | ||
| } | ||
|
|
||
| err := a.metadataManager.RenameNamespace(renameNamespaceRequest) | ||
| if err != nil { | ||
| a.metricsClient.IncCounter(metrics.DeleteNamespaceWorkflowScope, metrics.RenameNamespaceFailuresCount) | ||
| a.logger.Error("Unable to rename namespace.", tag.WorkflowNamespace(previousName.String()), tag.Error(err)) | ||
| return err | ||
| } | ||
|
|
||
| a.metricsClient.IncCounter(metrics.DeleteNamespaceWorkflowScope, metrics.RenameNamespaceSuccessCount) | ||
| a.logger.Info("Namespace renamed successfully.", tag.WorkflowNamespace(previousName.String()), tag.WorkflowNamespace(newName.String())) | ||
| return nil | ||
| } |
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