fix: address PR feedback for ES data streams and anonymizer CI

Corrected startTime precision to long in ES8 mapping templates. Fixed flaky anonymizer tests by using a robust directory trigger instead of chmod. Verified backward compatibility for legacy index trace lookups.

Signed-off-by: SoumyaRaikwar <somuraik@gmail.com>

Author: SoumyaRaikwar

cmd/anonymizer/app/uiconv/extractor_test.go

@@ -50,16 +50,11 @@ func TestExtractorTraceSuccess(t *testing.T) {
 
 func TestExtractorTraceOutputFileError(t *testing.T) {
 	inputFile := "fixtures/trace_success.json"
-	outputFile := "fixtures/trace_success_ui_anonymized.json"
-	defer os.Remove(outputFile)
+	outputFile := t.TempDir() // Intentionally use a directory to trigger an error
 
 	reader, err := newSpanReader(inputFile, zap.NewNop())
 	require.NoError(t, err)
 
-	err = os.Chmod("fixtures", 0o000)
-	require.NoError(t, err)
-	defer os.Chmod("fixtures", 0o755)
-
 	_, err = newExtractor(
 		outputFile,
 		"2be38093ead7a083",

cmd/anonymizer/app/uiconv/module_test.go

@@ -53,19 +53,14 @@ func TestModule_TraceNonExistent(t *testing.T) {
 
 func TestModule_TraceOutputFileError(t *testing.T) {
 	inputFile := "fixtures/trace_success.json"
-	outputFile := "fixtures/trace_success_ui_anonymized.json"
-	defer os.Remove(outputFile)
+	outputFile := t.TempDir() // Intentionally use a directory to trigger an error
 
 	config := Config{
 		CapturedFile: inputFile,
 		UIFile:       outputFile,
 		TraceID:      "2be38093ead7a083",
 	}
 
-	err := os.Chmod("fixtures", 0o550)
-	require.NoError(t, err)
-	defer os.Chmod("fixtures", 0o755)
-
-	err = Extract(config, zap.NewNop())
+	err := Extract(config, zap.NewNop())
 	require.ErrorContains(t, err, "cannot create output file")
 }

internal/storage/v1/elasticsearch/mappings/fixtures/jaeger-span-8.json

@@ -60,8 +60,7 @@
           "ignore_above": 256
         },
         "startTime": {
-          "type": "date",
-          "format": "epoch_millis"
+          "type": "long"
         },
         "startTimeMillis": {
           "type": "date",
@@ -78,8 +77,7 @@
           "dynamic": false,
           "properties": {
             "timestamp": {
-              "type": "date",
-              "format": "epoch_millis"
+              "type": "long"
             },
             "fields": {
               "type": "nested",