go.temporal.io/server@v1.23.0/common/cluster/fx.go (about) 1 // The MIT License 2 // 3 // Copyright (c) 2020 Temporal Technologies Inc. All rights reserved. 4 // 5 // Copyright (c) 2020 Uber Technologies, Inc. 6 // 7 // Permission is hereby granted, free of charge, to any person obtaining a copy 8 // of this software and associated documentation files (the "Software"), to deal 9 // in the Software without restriction, including without limitation the rights 10 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 11 // copies of the Software, and to permit persons to whom the Software is 12 // furnished to do so, subject to the following conditions: 13 // 14 // The above copyright notice and this permission notice shall be included in 15 // all copies or substantial portions of the Software. 16 // 17 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 20 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 22 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 23 // THE SOFTWARE. 24 25 package cluster 26 27 import ( 28 "context" 29 30 "go.uber.org/fx" 31 32 "go.temporal.io/server/common" 33 ) 34 35 var MetadataLifetimeHooksModule = fx.Options( 36 fx.Provide(NewMetadataFromConfig), 37 fx.Invoke(MetadataLifetimeHooks), 38 fx.Provide(fx.Annotate( 39 func(p Metadata) common.Pingable { return p }, 40 fx.ResultTags(`group:"deadlockDetectorRoots"`), 41 )), 42 ) 43 44 func MetadataLifetimeHooks( 45 lc fx.Lifecycle, 46 clusterMetadata Metadata, 47 ) { 48 lc.Append( 49 fx.Hook{ 50 OnStart: func(context.Context) error { 51 clusterMetadata.Start() 52 return nil 53 }, 54 OnStop: func(context.Context) error { 55 clusterMetadata.Stop() 56 return nil 57 }, 58 }, 59 ) 60 }