26 lines
		
	
	
		
			536 B
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			26 lines
		
	
	
		
			536 B
		
	
	
	
		
			Go
		
	
	
	
	
	
| package helpers
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| 
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| import (
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| 	"context"
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| 
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| 	"go.uber.org/fx"
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| )
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| 
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| // MetricsCtx is a context wrapper with metrics
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| type MetricsCtx context.Context
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| 
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| // LifecycleCtx creates a context which will be cancelled when lifecycle stops
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| //
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| // This is a hack which we need because most of our services use contexts in a
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| // wrong way
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| func LifecycleCtx(mctx MetricsCtx, lc fx.Lifecycle) context.Context {
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| 	ctx, cancel := context.WithCancel(mctx)
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| 	lc.Append(fx.Hook{
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| 		OnStop: func(_ context.Context) error {
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| 			cancel()
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| 			return nil
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| 		},
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| 	})
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| 	return ctx
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| }
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