Deprecate the sdk/metric/view package (#3476)

* Deprecate the sdk/metric/view package

* Add deprecation to changelog

CHANGELOG.md

@@ -53,6 +53,11 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 - Do not report empty partial-success responses in the `go.opentelemetry.io/otel/exporters/otlp` exporters. (#3438, #3432)
 - Handle partial success responses in `go.opentelemetry.io/otel/exporters/otlp/otlpmetric` exporters. (#3162, #3440)
 
+### Deprecated
+
+- The `go.opentelemetry.io/otel/sdk/metric/view` package is deprecated.
+  Use `Instrument`, `InstrumentKind`, `View`, and `NewView` in `go.opentelemetry.io/otel/sdk/metric` instead. (#3476)
+
 ## [1.11.1/0.33.0] 2022-10-19
 
 ### Added

sdk/metric/view/doc.go

@@ -17,4 +17,7 @@
 // registered with a MeterProvider in the go.opentelemetry.io/otel/sdk/metric
 // package. See the WithReader option in that package for more information on
 // how this registration takes place.
+//
+// Deprecated: Use Instrument, InstrumentKind, View, and NewView in
+// go.opentelemetry.io/otel/sdk/metric instead.
 package view // import "go.opentelemetry.io/otel/sdk/metric/view"

sdk/metric/view/instrument.go

@@ -20,6 +20,8 @@ import (
 )
 
 // Instrument uniquely identifies an instrument within a meter.
+//
+// Deprecated: Use Instrument in go.opentelemetry.io/otel/sdk/metric instead.
 type Instrument struct {
 	Scope instrumentation.Scope
 

sdk/metric/view/instrumentkind.go

@@ -15,6 +15,9 @@
 package view // import "go.opentelemetry.io/otel/sdk/metric/view"
 
 // InstrumentKind describes the kind of instrument a Meter can create.
+//
+// Deprecated: Use InstrumentKind in go.opentelemetry.io/otel/sdk/metric
+// instead.
 type InstrumentKind uint8
 
 // These are all the instrument kinds supported by the SDK.
@@ -24,20 +27,38 @@ const (
 	undefinedInstrument InstrumentKind = iota
 	// SyncCounter is an instrument kind that records increasing values
 	// synchronously in application code.
+	//
+	// Deprecated: Use InstrumentKindSyncCounter in
+	// go.opentelemetry.io/otel/sdk/metric instead.
 	SyncCounter
 	// SyncUpDownCounter is an instrument kind that records increasing and
 	// decreasing values synchronously in application code.
+	//
+	// Deprecated: Use InstrumentKindSyncUpDownCounter in
+	// go.opentelemetry.io/otel/sdk/metric instead.
 	SyncUpDownCounter
 	// SyncHistogram is an instrument kind that records a distribution of
 	// values synchronously in application code.
+	//
+	// Deprecated: Use InstrumentKindSyncHistogram in
+	// go.opentelemetry.io/otel/sdk/metric instead.
 	SyncHistogram
 	// AsyncCounter is an instrument kind that records increasing values in an
 	// asynchronous callback.
+	//
+	// Deprecated: Use InstrumentKindAsyncCounter in
+	// go.opentelemetry.io/otel/sdk/metric instead.
 	AsyncCounter
 	// AsyncUpDownCounter is an instrument kind that records increasing and
 	// decreasing values in an asynchronous callback.
+	//
+	// Deprecated: Use InstrumentKindAsyncUpDownCounter in
+	// go.opentelemetry.io/otel/sdk/metric instead.
 	AsyncUpDownCounter
 	// AsyncGauge is an instrument kind that records current values in an
 	// asynchronous callback.
+	//
+	// Deprecated: Use InstrumentKindAsyncGauge in
+	// go.opentelemetry.io/otel/sdk/metric instead.
 	AsyncGauge
 )

sdk/metric/view/view.go

@@ -31,6 +31,8 @@ import (
 // reported by Instruments.
 //
 // An empty View will match all instruments, and do no transformations.
+//
+// Deprecated: Use View in go.opentelemetry.io/otel/sdk/metric instead.
 type View struct {
 	instrumentName *regexp.Regexp
 	hasWildcard    bool
@@ -48,6 +50,8 @@ type View struct {
 // Options are all applied to the View. An instrument needs to match all of
 // the match Options passed for the View to be applied to it. Similarly, all
 // transform operation Options are applied to matched Instruments.
+//
+// Deprecated: Use NewView in go.opentelemetry.io/otel/sdk/metric instead.
 func New(opts ...Option) (View, error) {
 	v := View{}