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pdoernerandGitHub
671579e43d
* WIP * implement namespace readthrough * cleanup * comments * only cache not found error * test * update mock * fix tests * prevent concurrent requests to same namespace * limit persistence requests to one at a time * comments * comments * test * call state change callbacks in refresh loop * test adding back wait for refresh * comments * comments * comment
90 lines
3.0 KiB
Go
90 lines
3.0 KiB
Go
// The MIT License
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//
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// Copyright (c) 2020 Temporal Technologies Inc. All rights reserved.
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//
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// Copyright (c) 2020 Uber Technologies, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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package interceptor
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import (
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"fmt"
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"go.temporal.io/api/serviceerror"
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"go.temporal.io/api/workflowservice/v1"
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"go.temporal.io/server/common/namespace"
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)
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// gRPC method request must implement either NamespaceNameGetter or NamespaceIDGetter
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// for namespace specific metrics to be reported properly
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type (
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NamespaceNameGetter interface {
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GetNamespace() string
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}
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NamespaceIDGetter interface {
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GetNamespaceId() string
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}
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)
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// MustGetNamespaceName returns request namespace name
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// or EmptyName if there's error when retriving namespace name,
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// e.g. unable to find namespace
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func MustGetNamespaceName(
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namespaceRegistry namespace.Registry,
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req interface{},
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) namespace.Name {
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namespaceName, err := GetNamespaceName(namespaceRegistry, req)
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if err != nil {
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return namespace.EmptyName
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}
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return namespaceName
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}
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func GetNamespaceName(
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namespaceRegistry namespace.Registry,
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req interface{},
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) (namespace.Name, error) {
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switch request := req.(type) {
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case *workflowservice.RegisterNamespaceRequest:
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// For namespace registration requests, we don't expect to find namespace so skip checking caches
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// to avoid caching a NotFound error from persistence readthrough
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return namespace.Name(request.GetNamespace()), nil
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case NamespaceNameGetter:
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namespaceName := namespace.Name(request.GetNamespace())
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_, err := namespaceRegistry.GetNamespace(namespaceName)
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if err != nil {
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return namespace.EmptyName, err
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}
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return namespaceName, nil
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case NamespaceIDGetter:
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namespaceID := namespace.ID(request.GetNamespaceId())
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namespaceName, err := namespaceRegistry.GetNamespaceName(namespaceID)
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if err != nil {
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return namespace.EmptyName, err
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}
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return namespaceName, nil
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default:
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return namespace.EmptyName, serviceerror.NewInternal(fmt.Sprintf("unable to extract namespace info from request: %+v", req))
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}
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}
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