[exporter/mezmoexporter] unexport mezmo structs (#24842)

Unexport the `MezmoLogLine` and `MezmoLogBody` structs. They don't need to be exported as part of the Go API.

.chloggen/unexport-mezmo.yaml

@@ -0,0 +1,27 @@
+# Use this changelog template to create an entry for release notes.
+
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: breaking
+
+# The name of the component, or a single word describing the area of concern, (e.g. filelogreceiver)
+component: mezmoexporter
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Unexport the `MezmoLogLine` and `MezmoLogBody` structs
+
+# Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists.
+issues: [24842]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext:
+
+# If your change doesn't affect end users or the exported elements of any package,
+# you should instead start your pull request title with [chore] or use the "Skip Changelog" label.
+# Optional: The change log or logs in which this entry should be included.
+# e.g. '[user]' or '[user, api]'
+# Include 'user' if the change is relevant to end users.
+# Include 'api' if there is a change to a library API.
+# Default: '[user]'
+change_logs: [api]

exporter/mezmoexporter/exporter.go

@@ -29,16 +29,16 @@ type mezmoExporter struct {
 	wg              sync.WaitGroup
 }
 
-type MezmoLogLine struct {
+type mezmoLogLine struct {
 	Timestamp int64             `json:"timestamp"`
 	Line      string            `json:"line"`
 	App       string            `json:"app"`
 	Level     string            `json:"level"`
 	Meta      map[string]string `json:"meta"`
 }
 
-type MezmoLogBody struct {
-	Lines []MezmoLogLine `json:"lines"`
+type mezmoLogBody struct {
+	Lines []mezmoLogLine `json:"lines"`
 }
 
 func newLogsExporter(config *Config, settings component.TelemetrySettings, buildInfo component.BuildInfo, logger *zap.Logger) *mezmoExporter {
@@ -71,7 +71,7 @@ func (m *mezmoExporter) stop(context.Context) (err error) {
 func (m *mezmoExporter) logDataToMezmo(ld plog.Logs) error {
 	var errs error
 
-	var lines []MezmoLogLine
+	var lines []mezmoLogLine
 
 	// Convert the log resources to mezmo lines...
 	resourceLogs := ld.ResourceLogs()
@@ -118,7 +118,7 @@ func (m *mezmoExporter) logDataToMezmo(ld plog.Logs) error {
 					logLevel = "info"
 				}
 
-				line := MezmoLogLine{
+				line := mezmoLogLine{
 					Timestamp: tstamp,
 					Line:      truncateString(log.Body().Str(), maxMessageSize),
 					App:       truncateString(app, maxAppnameLen),

exporter/mezmoexporter/exporter_test.go

@@ -109,7 +109,7 @@ type testServer struct {
 	url      string
 }
 
-type httpAssertionCallback func(req *http.Request, body MezmoLogBody) (int, string)
+type httpAssertionCallback func(req *http.Request, body mezmoLogBody) (int, string)
 type testServerParams struct {
 	t                  *testing.T
 	assertionsCallback httpAssertionCallback
@@ -124,7 +124,7 @@ func createHTTPServer(params *testServerParams) testServer {
 			params.t.Fatal(err)
 		}
 
-		var logBody MezmoLogBody
+		var logBody mezmoLogBody
 		if err = json.Unmarshal(body, &logBody); err != nil {
 			w.WriteHeader(http.StatusUnprocessableEntity)
 		}
@@ -169,7 +169,7 @@ func createLogger() (*zap.Logger, *observer.ObservedLogs) {
 func TestLogsExporter(t *testing.T) {
 	httpServerParams := testServerParams{
 		t: t,
-		assertionsCallback: func(req *http.Request, body MezmoLogBody) (int, string) {
+		assertionsCallback: func(req *http.Request, body mezmoLogBody) (int, string) {
 			assert.Equal(t, "application/json", req.Header.Get("Content-Type"))
 			assert.Equal(t, "mezmo-otel-exporter/"+buildInfo.Version, req.Header.Get("User-Agent"))
 			return http.StatusOK, ""
@@ -206,7 +206,7 @@ func TestLogsExporter(t *testing.T) {
 func TestAddsRequiredAttributes(t *testing.T) {
 	httpServerParams := testServerParams{
 		t: t,
-		assertionsCallback: func(req *http.Request, body MezmoLogBody) (int, string) {
+		assertionsCallback: func(req *http.Request, body mezmoLogBody) (int, string) {
 			assert.Equal(t, "application/json", req.Header.Get("Content-Type"))
 			assert.Equal(t, "mezmo-otel-exporter/"+buildInfo.Version, req.Header.Get("User-Agent"))
 
@@ -240,7 +240,7 @@ func Test404IngestError(t *testing.T) {
 
 	httpServerParams := testServerParams{
 		t: t,
-		assertionsCallback: func(req *http.Request, body MezmoLogBody) (int, string) {
+		assertionsCallback: func(req *http.Request, body mezmoLogBody) (int, string) {
 			return http.StatusNotFound, `{"foo":"bar"}`
 		},
 	}