mirror of https://github.com/databricks/cli.git
63 lines
1.6 KiB
Go
63 lines
1.6 KiB
Go
package telemetry
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import (
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"context"
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"fmt"
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)
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// Private type to store the telemetry logger in the context
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type telemetryLogger int
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// Key to store the telemetry logger in the context
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var telemetryLoggerKey telemetryLogger
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func WithDefaultLogger(ctx context.Context) context.Context {
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v := ctx.Value(telemetryLoggerKey)
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// If no logger is set in the context, set the default logger.
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if v == nil {
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nctx := context.WithValue(ctx, telemetryLoggerKey, &defaultLogger{})
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return nctx
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}
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switch v.(type) {
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case *defaultLogger:
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panic(fmt.Errorf("default telemetry logger already set in the context: %T", v))
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case *mockLogger:
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// Do nothing. Unit and integration tests set the mock logger in the context
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// to avoid making actual API calls. Thus WithDefaultLogger should silently
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// ignore the mock logger.
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default:
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panic(fmt.Errorf("unexpected telemetry logger type: %T", v))
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}
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return ctx
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}
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// WithMockLogger sets a mock telemetry logger in the context. It overrides the
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// default logger if it is already set in the context.
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func WithMockLogger(ctx context.Context) context.Context {
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v := ctx.Value(telemetryLoggerKey)
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if v != nil {
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panic(fmt.Errorf("telemetry logger already set in the context: %T", v))
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}
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return context.WithValue(ctx, telemetryLoggerKey, &mockLogger{})
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}
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func fromContext(ctx context.Context) Logger {
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v := ctx.Value(telemetryLoggerKey)
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if v == nil {
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panic(fmt.Errorf("telemetry logger not found in the context"))
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}
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switch vv := v.(type) {
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case *defaultLogger:
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return vv
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case *mockLogger:
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return vv
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default:
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panic(fmt.Errorf("unexpected telemetry logger type: %T", v))
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}
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}
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