Make logs SeverityNumber publicly available

It was previously available in internal package only.
Now we have the public alias for it.

This is consistent with how we treat other enums, e.g. SpanKind.

Author: Tigran Najaryan

cmd/pdatagen/internal/base_structs.go

@@ -251,7 +251,7 @@ func Test${structName}_Append(t *testing.T) {
 	es.Append(&emptyVal)
 	assert.EqualValues(t, *(es.At(7)).orig, *emptyVal.orig)
 
-	emptyVal2:= New${elementName}()
+	emptyVal2 := New${elementName}()
 	emptyVal2.InitEmpty()
 
 	es.Append(&emptyVal2)

cmd/pdatagen/internal/log_structs.go

@@ -112,10 +112,10 @@ var logRecord = &messageStruct{
 		&primitiveTypedField{
 			fieldMame:       "SeverityNumber",
 			originFieldName: "SeverityNumber",
-			returnType:      "otlplogs.SeverityNumber",
+			returnType:      "SeverityNumber",
 			rawType:         "otlplogs.SeverityNumber",
-			defaultVal:      `otlplogs.SeverityNumber_UNDEFINED_SEVERITY_NUMBER`,
-			testVal:         `otlplogs.SeverityNumber_INFO`,
+			defaultVal:      `SeverityNumberUNDEFINED`,
+			testVal:         `SeverityNumberINFO`,
 		},
 		&primitiveField{
 			fieldMame:       "Name",

consumer/pdata/generated_log.go

@@ -84,3 +84,34 @@ func (ld Logs) LogRecordCount() int {
 func (ld Logs) ResourceLogs() ResourceLogsSlice {
 	return ResourceLogsSlice(ld)
 }
+
+// SeverityNumber is the public alias of otlplogs.SeverityNumber from internal package.
+type SeverityNumber otlplogs.SeverityNumber
+
+const (
+	SeverityNumberUNDEFINED = SeverityNumber(otlplogs.SeverityNumber_UNDEFINED_SEVERITY_NUMBER)
+	SeverityNumberTRACE     = SeverityNumber(otlplogs.SeverityNumber_TRACE)
+	SeverityNumberTRACE2    = SeverityNumber(otlplogs.SeverityNumber_TRACE2)
+	SeverityNumberTRACE3    = SeverityNumber(otlplogs.SeverityNumber_TRACE3)
+	SeverityNumberTRACE4    = SeverityNumber(otlplogs.SeverityNumber_TRACE4)
+	SeverityNumberDEBUG     = SeverityNumber(otlplogs.SeverityNumber_DEBUG)
+	SeverityNumberDEBUG2    = SeverityNumber(otlplogs.SeverityNumber_DEBUG2)
+	SeverityNumberDEBUG3    = SeverityNumber(otlplogs.SeverityNumber_DEBUG3)
+	SeverityNumberDEBUG4    = SeverityNumber(otlplogs.SeverityNumber_DEBUG4)
+	SeverityNumberINFO      = SeverityNumber(otlplogs.SeverityNumber_INFO)
+	SeverityNumberINFO2     = SeverityNumber(otlplogs.SeverityNumber_INFO2)
+	SeverityNumberINFO3     = SeverityNumber(otlplogs.SeverityNumber_INFO3)
+	SeverityNumberINFO4     = SeverityNumber(otlplogs.SeverityNumber_INFO4)
+	SeverityNumberWARN      = SeverityNumber(otlplogs.SeverityNumber_WARN)
+	SeverityNumberWARN2     = SeverityNumber(otlplogs.SeverityNumber_WARN2)
+	SeverityNumberWARN3     = SeverityNumber(otlplogs.SeverityNumber_WARN3)
+	SeverityNumberWARN4     = SeverityNumber(otlplogs.SeverityNumber_WARN4)
+	SeverityNumberERROR     = SeverityNumber(otlplogs.SeverityNumber_ERROR)
+	SeverityNumberERROR2    = SeverityNumber(otlplogs.SeverityNumber_ERROR2)
+	SeverityNumberERROR3    = SeverityNumber(otlplogs.SeverityNumber_ERROR3)
+	SeverityNumberERROR4    = SeverityNumber(otlplogs.SeverityNumber_ERROR4)
+	SeverityNumberFATAL     = SeverityNumber(otlplogs.SeverityNumber_FATAL)
+	SeverityNumberFATAL2    = SeverityNumber(otlplogs.SeverityNumber_FATAL2)
+	SeverityNumberFATAL3    = SeverityNumber(otlplogs.SeverityNumber_FATAL3)
+	SeverityNumberFATAL4    = SeverityNumber(otlplogs.SeverityNumber_FATAL4)
+)

consumer/pdata/generated_log_test.go

@@ -266,7 +266,7 @@ func fillLogOne(log pdata.LogRecord) {
 	log.SetName("logA")
 	log.SetTimestamp(TestLogTimestamp)
 	log.SetDroppedAttributesCount(1)
-	log.SetSeverityNumber(otlplogs.SeverityNumber_INFO)
+	log.SetSeverityNumber(pdata.SeverityNumberINFO)
 	log.SetSeverityText("Info")
 	log.SetSpanID([]byte{0x01, 0x02, 0x04, 0x08})
 	log.SetTraceID([]byte{0x08, 0x04, 0x02, 0x01})
@@ -305,7 +305,7 @@ func fillLogTwo(log pdata.LogRecord) {
 	log.SetName("logB")
 	log.SetTimestamp(TestLogTimestamp)
 	log.SetDroppedAttributesCount(1)
-	log.SetSeverityNumber(otlplogs.SeverityNumber_INFO)
+	log.SetSeverityNumber(pdata.SeverityNumberINFO)
 	log.SetSeverityText("Info")
 
 	attrs := log.Attributes()
@@ -340,7 +340,7 @@ func fillLogThree(log pdata.LogRecord) {
 	log.SetName("logC")
 	log.SetTimestamp(TestLogTimestamp)
 	log.SetDroppedAttributesCount(1)
-	log.SetSeverityNumber(otlplogs.SeverityNumber_WARN)
+	log.SetSeverityNumber(pdata.SeverityNumberWARN)
 	log.SetSeverityText("Warning")
 
 	log.Body().SetStringVal("something else happened")