[internal/stanza] Add support for []string in converter.go (open-tele…

…metry#9887)

* added fix to include string array type to converter

* updated changelog

* updated Changelog entry

CHANGELOG.md

@@ -51,6 +51,7 @@
 - `tanzuobservabilityexporter`: Make metrics stanza in config be optional (#9098)
 - `filelogreceiver`: Update Kubernetes examples to fix native OTel logs collection issue where 0 length logs cause errors (#9754)
 - `logstransformprocessor`: Resolve node ordering to fix intermittent failures (#9761)
+- `filelog`, `journald`, `syslog`, `tcplog`, `udplog`: Add support for []string type for converting log record entries (#9887)
 
 ## v0.50.0
 

internal/stanza/converter.go

@@ -370,6 +370,8 @@ func insertToAttributeVal(value interface{}, dest pcommon.Value) {
 		dest.SetBoolVal(t)
 	case string:
 		dest.SetStringVal(t)
+	case []string:
+		toStringArray(t).CopyTo(dest)
 	case []byte:
 		dest.SetBytesVal(t)
 	case int64:
@@ -420,6 +422,9 @@ func insertToAttributeMap(obsMap map[string]interface{}, dest pcommon.Map) {
 			dest.InsertBool(k, t)
 		case string:
 			dest.InsertString(k, t)
+		case []string:
+			arr := toStringArray(t)
+			dest.Insert(k, arr)
 		case []byte:
 			dest.InsertBytes(k, t)
 		case int64:
@@ -468,6 +473,16 @@ func toAttributeArray(obsArr []interface{}) pcommon.Value {
 	return arrVal
 }
 
+func toStringArray(strArr []string) pcommon.Value {
+	arrVal := pcommon.NewValueSlice()
+	arr := arrVal.SliceVal()
+	arr.EnsureCapacity(len(strArr))
+	for _, v := range strArr {
+		insertToAttributeVal(v, arr.AppendEmpty())
+	}
+	return arrVal
+}
+
 var sevMap = map[entry.Severity]plog.SeverityNumber{
 	entry.Default: plog.SeverityNumberUNDEFINED,
 	entry.Trace:   plog.SeverityNumberTRACE,