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feature.go
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feature.go
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package feature
import (
"github.com/alexfalkowski/go-service/os"
"github.com/alexfalkowski/go-service/transport/grpc"
flipt "github.com/open-feature/go-sdk-contrib/providers/flipt/pkg/provider"
"github.com/open-feature/go-sdk-contrib/providers/flipt/pkg/service/transport"
"github.com/open-feature/go-sdk/openfeature"
"go.opentelemetry.io/otel/metric"
"go.opentelemetry.io/otel/trace"
"go.uber.org/fx"
"go.uber.org/zap"
)
// RegisterParams for feature.
type ClientParams struct {
fx.In
Config *Config
Logger *zap.Logger
Tracer trace.Tracer
Meter metric.Meter
}
// NewClient for feature.
func NewClient(params ClientParams) *openfeature.Client {
openfeature.SetProvider(provider(params))
return openfeature.NewClient(os.ExecutableName())
}
func provider(params ClientParams) openfeature.FeatureProvider {
if !IsEnabled(params.Config) {
return openfeature.NoopProvider{}
}
if params.Config.IsFlipt() {
is := grpc.UnaryClientInterceptors(grpc.WithClientLogger(params.Logger),
grpc.WithClientTracer(params.Tracer),
grpc.WithClientMetrics(params.Meter),
grpc.WithClientRetry(params.Config.Retry),
grpc.WithClientUserAgent(params.Config.UserAgent))
svc := transport.New(transport.WithAddress(params.Config.Host), transport.WithUnaryClientInterceptor(is...))
return flipt.NewProvider(flipt.WithAddress(params.Config.Host), flipt.WithService(svc))
}
return openfeature.NoopProvider{}
}