fix(sumologicexporter): don't send null logs

SumoLogic · Sep 17, 2021 · a258b33 · a258b33
1 parent 87e0aa4
commit a258b33
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Showing 2 changed files with 40 additions and 4 deletions.
diff --git a/pkg/exporter/sumologicexporter/sender.go b/pkg/exporter/sumologicexporter/sender.go
@@ -181,7 +181,16 @@ func (s *sender) logToText(record pdata.LogRecord) string {
 // logToJSON converts LogRecord to a json line, returns it and error eventually
 func (s *sender) logToJSON(record pdata.LogRecord) (string, error) {
 	data := s.filter.filterOut(record.Attributes())
-	data.orig.Upsert(logKey, record.Body())
+
+	// Only append the body when it's not empty to prevent sending 'null' log.
+	body := record.Body()
+	bodyType := body.Type()
+	if bodyType == pdata.AttributeValueTypeString && len(body.StringVal()) > 0 ||
+		bodyType == pdata.AttributeValueTypeArray && body.ArrayVal().Len() > 0 ||
+		bodyType == pdata.AttributeValueTypeMap && body.MapVal().Len() > 0 ||
+		bodyType == pdata.AttributeValueTypeBytes && len(body.BytesVal()) > 0 {
+		data.orig.Upsert(logKey, body)
+	}
 
 	nextLine, err := json.Marshal(pdata.AttributeMapToMap(data.orig))
 	if err != nil {

diff --git a/pkg/exporter/sumologicexporter/sender_test.go b/pkg/exporter/sumologicexporter/sender_test.go
@@ -31,8 +31,9 @@ import (
 )
 
 type senderTest struct {
-	srv *httptest.Server
-	s   *sender
+	reqCounter *int32
+	srv        *httptest.Server
+	s          *sender
 }
 
 // prepareSenderTest prepares sender test environment.
@@ -72,7 +73,8 @@ func prepareSenderTest(t *testing.T, cb []func(w http.ResponseWriter, req *http.
 	require.NoError(t, err)
 
 	return &senderTest{
-		srv: testServer,
+		reqCounter: &reqCounter,
+		srv:        testServer,
 		s: newSender(
 			cfg,
 			&http.Client{
@@ -275,6 +277,7 @@ func TestSendLogs(t *testing.T) {
 
 	_, err := test.s.sendLogs(context.Background(), fieldsFromMap(map[string]string{"key1": "value", "key2": "value2"}))
 	assert.NoError(t, err)
+	assert.EqualValues(t, 1, *test.reqCounter)
 }
 
 func TestSendLogsMultitype(t *testing.T) {
@@ -294,6 +297,8 @@ func TestSendLogsMultitype(t *testing.T) {
 
 	_, err := test.s.sendLogs(context.Background(), fieldsFromMap(map[string]string{"key1": "value", "key2": "value2"}))
 	assert.NoError(t, err)
+
+	assert.EqualValues(t, 1, *test.reqCounter)
 }
 
 func TestSendLogsSplit(t *testing.T) {
@@ -312,6 +317,8 @@ func TestSendLogsSplit(t *testing.T) {
 
 	_, err := test.s.sendLogs(context.Background(), newFields(pdata.NewAttributeMap()))
 	assert.NoError(t, err)
+
+	assert.EqualValues(t, 2, *test.reqCounter)
 }
 func TestSendLogsSplitFailedOne(t *testing.T) {
 	test := prepareSenderTest(t, []func(w http.ResponseWriter, req *http.Request){
@@ -333,6 +340,8 @@ func TestSendLogsSplitFailedOne(t *testing.T) {
 	dropped, err := test.s.sendLogs(context.Background(), newFields(pdata.NewAttributeMap()))
 	assert.EqualError(t, err, "error during sending data: 500 Internal Server Error")
 	assert.Equal(t, test.s.logBuffer[0:1], dropped)
+
+	assert.EqualValues(t, 2, *test.reqCounter)
 }
 
 func TestSendLogsSplitFailedAll(t *testing.T) {
@@ -361,6 +370,8 @@ func TestSendLogsSplitFailedAll(t *testing.T) {
 		"[error during sending data: 500 Internal Server Error; error during sending data: 404 Not Found]",
 	)
 	assert.Equal(t, test.s.logBuffer[0:2], dropped)
+
+	assert.EqualValues(t, 2, *test.reqCounter)
 }
 
 func TestSendLogsJson(t *testing.T) {
@@ -380,6 +391,8 @@ func TestSendLogsJson(t *testing.T) {
 
 	_, err := test.s.sendLogs(context.Background(), fieldsFromMap(map[string]string{"key": "value"}))
 	assert.NoError(t, err)
+
+	assert.EqualValues(t, 1, *test.reqCounter)
 }
 
 func TestSendLogsJsonMultitype(t *testing.T) {
@@ -399,6 +412,8 @@ func TestSendLogsJsonMultitype(t *testing.T) {
 
 	_, err := test.s.sendLogs(context.Background(), fieldsFromMap(map[string]string{"key": "value"}))
 	assert.NoError(t, err)
+
+	assert.EqualValues(t, 1, *test.reqCounter)
 }
 
 func TestSendLogsJsonSplit(t *testing.T) {
@@ -418,6 +433,8 @@ func TestSendLogsJsonSplit(t *testing.T) {
 
 	_, err := test.s.sendLogs(context.Background(), newFields(pdata.NewAttributeMap()))
 	assert.NoError(t, err)
+
+	assert.EqualValues(t, 2, *test.reqCounter)
 }
 
 func TestSendLogsJsonSplitFailedOne(t *testing.T) {
@@ -440,6 +457,8 @@ func TestSendLogsJsonSplitFailedOne(t *testing.T) {
 	dropped, err := test.s.sendLogs(context.Background(), newFields(pdata.NewAttributeMap()))
 	assert.EqualError(t, err, "error during sending data: 500 Internal Server Error")
 	assert.Equal(t, test.s.logBuffer[0:1], dropped)
+
+	assert.EqualValues(t, 2, *test.reqCounter)
 }
 
 func TestSendLogsJsonSplitFailedAll(t *testing.T) {
@@ -468,6 +487,8 @@ func TestSendLogsJsonSplitFailedAll(t *testing.T) {
 		"[error during sending data: 500 Internal Server Error; error during sending data: 404 Not Found]",
 	)
 	assert.Equal(t, test.s.logBuffer[0:2], dropped)
+
+	assert.EqualValues(t, 2, *test.reqCounter)
 }
 
 func TestSendLogsUnexpectedFormat(t *testing.T) {
@@ -501,6 +522,8 @@ func TestSendLogsOTLP(t *testing.T) {
 
 	_, err := test.s.sendLogs(context.Background(), fieldsFromMap(map[string]string{"key1": "value", "key2": "value2"}))
 	assert.NoError(t, err)
+
+	assert.EqualValues(t, 1, *test.reqCounter)
 }
 
 func TestOverrideSourceName(t *testing.T) {
@@ -516,6 +539,8 @@ func TestOverrideSourceName(t *testing.T) {
 
 		_, err := test.s.sendLogs(context.Background(), fieldsFromMap(map[string]string{"key1": "test_name"}))
 		assert.NoError(t, err)
+
+		assert.EqualValues(t, 1, *test.reqCounter)
 	})
 
 	t.Run("otlp", func(t *testing.T) {
@@ -540,6 +565,8 @@ func TestOverrideSourceName(t *testing.T) {
 
 		_, err := test.s.sendLogs(context.Background(), fieldsFromMap(map[string]string{"key1": "test_name"}))
 		assert.NoError(t, err)
+
+		assert.EqualValues(t, 1, *test.reqCounter)
 	})
 }