[chore] update solace receiver to use mdatagen (open-telemetry#33582)

This updates the code that was using OpenCensus to use mdatagen + otel

Fixes open-telemetry#33468

---------

Signed-off-by: Alex Boten <223565+codeboten@users.noreply.github.com>

receiver/solacereceiver/documentation.md

@@ -0,0 +1,111 @@
+[comment]: <> (Code generated by mdatagen. DO NOT EDIT.)
+
+# solace
+
+## Internal Telemetry
+
+The following telemetry is emitted by this component.
+
+### solacereceiver_dropped_egress_spans
+
+Number of dropped egress spans
+
+| Unit | Metric Type | Value Type | Monotonic |
+| ---- | ----------- | ---------- | --------- |
+| 1 | Sum | Int | true |
+
+### solacereceiver_dropped_span_messages
+
+Number of dropped span messages
+
+| Unit | Metric Type | Value Type | Monotonic |
+| ---- | ----------- | ---------- | --------- |
+| 1 | Sum | Int | true |
+
+### solacereceiver_failed_reconnections
+
+Number of failed broker reconnections
+
+| Unit | Metric Type | Value Type | Monotonic |
+| ---- | ----------- | ---------- | --------- |
+| 1 | Sum | Int | true |
+
+### solacereceiver_fatal_unmarshalling_errors
+
+Number of fatal message unmarshalling errors
+
+| Unit | Metric Type | Value Type | Monotonic |
+| ---- | ----------- | ---------- | --------- |
+| 1 | Sum | Int | true |
+
+### solacereceiver_need_upgrade
+
+Indicates with value 1 that receiver requires an upgrade and is not compatible with messages received from a broker
+
+| Unit | Metric Type | Value Type |
+| ---- | ----------- | ---------- |
+| 1 | Gauge | Int |
+
+### solacereceiver_received_span_messages
+
+Number of received span messages
+
+| Unit | Metric Type | Value Type | Monotonic |
+| ---- | ----------- | ---------- | --------- |
+| 1 | Sum | Int | true |
+
+### solacereceiver_receiver_flow_control_recent_retries
+
+Most recent/current retry count when flow controlled
+
+| Unit | Metric Type | Value Type |
+| ---- | ----------- | ---------- |
+| 1 | Gauge | Int |
+
+### solacereceiver_receiver_flow_control_status
+
+Indicates the flow control status of the receiver. 0 = not flow controlled, 1 = currently flow controlled
+
+| Unit | Metric Type | Value Type |
+| ---- | ----------- | ---------- |
+| 1 | Gauge | Int |
+
+### solacereceiver_receiver_flow_control_total
+
+Number of times the receiver instance became flow controlled
+
+| Unit | Metric Type | Value Type | Monotonic |
+| ---- | ----------- | ---------- | --------- |
+| 1 | Sum | Int | true |
+
+### solacereceiver_receiver_flow_control_with_single_successful_retry
+
+Number of times the receiver instance became flow controlled and resolved situations after the first retry
+
+| Unit | Metric Type | Value Type | Monotonic |
+| ---- | ----------- | ---------- | --------- |
+| 1 | Sum | Int | true |
+
+### solacereceiver_receiver_status
+
+Indicates the status of the receiver as an enum. 0 = starting, 1 = connecting, 2 = connected, 3 = disabled (often paired with needs_upgrade), 4 = terminating, 5 = terminated
+
+| Unit | Metric Type | Value Type |
+| ---- | ----------- | ---------- |
+| 1 | Gauge | Int |
+
+### solacereceiver_recoverable_unmarshalling_errors
+
+Number of recoverable message unmarshalling errors
+
+| Unit | Metric Type | Value Type | Monotonic |
+| ---- | ----------- | ---------- | --------- |
+| 1 | Sum | Int | true |
+
+### solacereceiver_reported_spans
+
+Number of reported spans
+
+| Unit | Metric Type | Value Type | Monotonic |
+| ---- | ----------- | ---------- | --------- |
+| 1 | Sum | Int | true |

receiver/solacereceiver/factory_test.go

@@ -10,12 +10,12 @@ import (
 
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
-	"go.opencensus.io/stats"
-	"go.opencensus.io/stats/view"
 	"go.opentelemetry.io/collector/component"
 	"go.opentelemetry.io/collector/confmap/confmaptest"
 	"go.opentelemetry.io/collector/consumer/consumertest"
 	"go.opentelemetry.io/collector/receiver/receivertest"
+	"go.opentelemetry.io/otel/exporters/stdout/stdoutmetric"
+	sdkmetric "go.opentelemetry.io/otel/sdk/metric"
 
 	"github.com/open-telemetry/opentelemetry-collector-contrib/receiver/solacereceiver/internal/metadata"
 )
@@ -68,17 +68,27 @@ func TestCreateTracesReceiverBadConfigIncompleteAuth(t *testing.T) {
 }
 
 func TestCreateTracesReceiverBadMetrics(t *testing.T) {
-	// register a metric first with the same name
-	statName := "solacereceiver/primary/failed_reconnections"
-	stat := stats.Int64(statName, "", stats.UnitDimensionless)
-	err := view.Register(&view.View{
-		Name:        buildReceiverCustomMetricName(statName),
-		Description: "some description",
-		Measure:     stat,
-		Aggregation: view.Sum(),
-	})
+	set := receivertest.NewNopSettings()
+	set.ID = component.MustNewIDWithName("solace", "factory")
+	// the code here sets up a custom meter provider
+	// to trigger the error condition required for this test
+	metricExp, err := stdoutmetric.New()
 	require.NoError(t, err)
-
+	provider := sdkmetric.NewMeterProvider(
+		sdkmetric.WithReader(sdkmetric.NewPeriodicReader(metricExp)),
+		sdkmetric.WithView(sdkmetric.NewView(
+			sdkmetric.Instrument{
+				Name: "solacereceiver_failed_reconnections",
+			},
+			sdkmetric.Stream{
+				Aggregation: sdkmetric.AggregationLastValue{},
+			},
+		)),
+	)
+	defer func() {
+		require.NoError(t, provider.Shutdown(context.Background()))
+	}()
+	set.TelemetrySettings.MeterProvider = provider
 	cm, err := confmaptest.LoadConf(filepath.Join("testdata", "config.yaml"))
 	require.NoError(t, err)
 	factory := NewFactory()
@@ -87,8 +97,6 @@ func TestCreateTracesReceiverBadMetrics(t *testing.T) {
 	sub, err := cm.Sub(component.NewIDWithName(metadata.Type, "primary").String())
 	require.NoError(t, err)
 	require.NoError(t, sub.Unmarshal(cfg))
-	set := receivertest.NewNopSettings()
-	set.ID = component.MustNewIDWithName("solace", "factory")
 	receiver, err := factory.CreateTracesReceiver(
 		context.Background(),
 		set,

receiver/solacereceiver/go.mod

@@ -8,16 +8,18 @@ go 1.21.0
 require (
 	github.com/Azure/go-amqp v1.0.5
 	github.com/stretchr/testify v1.9.0
-	go.opencensus.io v0.24.0
 	go.opentelemetry.io/collector/component v0.103.0
 	go.opentelemetry.io/collector/config/configopaque v1.10.0
+	go.opentelemetry.io/collector/config/configtelemetry v0.103.0
 	go.opentelemetry.io/collector/config/configtls v0.103.0
 	go.opentelemetry.io/collector/confmap v0.103.0
 	go.opentelemetry.io/collector/consumer v0.103.0
 	go.opentelemetry.io/collector/pdata v1.10.0
 	go.opentelemetry.io/collector/receiver v0.103.0
 	go.opentelemetry.io/otel v1.27.0
+	go.opentelemetry.io/otel/exporters/stdout/stdoutmetric v1.27.0
 	go.opentelemetry.io/otel/metric v1.27.0
+	go.opentelemetry.io/otel/sdk/metric v1.27.0
 	go.opentelemetry.io/otel/trace v1.27.0
 	go.uber.org/goleak v1.3.0
 	go.uber.org/zap v1.27.0
@@ -33,7 +35,6 @@ require (
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/go-viper/mapstructure/v2 v2.0.0-alpha.1 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
-	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/hashicorp/go-version v1.7.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
@@ -49,11 +50,9 @@ require (
 	github.com/prometheus/client_model v0.6.1 // indirect
 	github.com/prometheus/common v0.54.0 // indirect
 	github.com/prometheus/procfs v0.15.0 // indirect
-	go.opentelemetry.io/collector/config/configtelemetry v0.103.0 // indirect
 	go.opentelemetry.io/collector/featuregate v1.10.0 // indirect
 	go.opentelemetry.io/otel/exporters/prometheus v0.49.0 // indirect
 	go.opentelemetry.io/otel/sdk v1.27.0 // indirect
-	go.opentelemetry.io/otel/sdk/metric v1.27.0 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	golang.org/x/net v0.25.0 // indirect
 	golang.org/x/sys v0.20.0 // indirect