[receiver/wavefront] unexport WavefrontParser (open-telemetry#40105)

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: 2 people

.chloggen/unexport_wavefrontparser.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: wavefrontreceiver
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Unexport WavefrontParser struct
+
+# Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists.
+issues: [40105]
+
+# (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]

receiver/wavefrontreceiver/receiver.go

@@ -49,7 +49,7 @@ func (r *metricsReceiver) Start(ctx context.Context, host component.Host) error
 		TCPIdleTimeout: r.cfg.TCPIdleTimeout,
 		Parser: &protocol.Config{
 			Type: "plaintext", // TODO: update after other parsers are implemented for Carbon receiver.
-			Config: &WavefrontParser{
+			Config: &wavefrontParser{
 				ExtractCollectdTags: r.cfg.ExtractCollectdTags,
 			},
 		},

receiver/wavefrontreceiver/wavefront_parser.go

@@ -17,16 +17,16 @@ import (
 	"github.com/open-telemetry/opentelemetry-collector-contrib/receiver/carbonreceiver/protocol"
 )
 
-// WavefrontParser converts metrics in the Wavefront format, see
+// wavefrontParser converts metrics in the Wavefront format, see
 // https://docs.wavefront.com/wavefront_data_format.html#metrics-data-format-syntax,
 // into the internal format of the Collector
-type WavefrontParser struct {
+type wavefrontParser struct {
 	ExtractCollectdTags bool `mapstructure:"extract_collectd_tags"`
 }
 
 var (
-	_ protocol.Parser       = (*WavefrontParser)(nil)
-	_ protocol.ParserConfig = (*WavefrontParser)(nil)
+	_ protocol.Parser       = (*wavefrontParser)(nil)
+	_ protocol.ParserConfig = (*wavefrontParser)(nil)
 )
 
 // Only two chars can be escaped per Wavefront SDK, see
@@ -37,7 +37,7 @@ var escapedCharReplacer = strings.NewReplacer(
 )
 
 // BuildParser creates a new Parser instance that receives Wavefront metric data.
-func (wp *WavefrontParser) BuildParser() (protocol.Parser, error) {
+func (wp *wavefrontParser) BuildParser() (protocol.Parser, error) {
 	return wp, nil
 }
 
@@ -50,7 +50,7 @@ func (wp *WavefrontParser) BuildParser() (protocol.Parser, error) {
 //	"<metricName> <metricValue> [<timestamp>] source=<source> [pointTags]"
 //
 // Detailed description of each element is available on the link above.
-func (wp *WavefrontParser) Parse(line string) (pmetric.Metric, error) {
+func (wp *wavefrontParser) Parse(line string) (pmetric.Metric, error) {
 	parts := strings.SplitN(line, " ", 3)
 	if len(parts) < 3 {
 		return pmetric.Metric{}, fmt.Errorf("invalid wavefront metric [%s]", line)
@@ -113,7 +113,7 @@ func (wp *WavefrontParser) Parse(line string) (pmetric.Metric, error) {
 	return metric, nil
 }
 
-func (wp *WavefrontParser) injectCollectDLabels(
+func (wp *wavefrontParser) injectCollectDLabels(
 	metricName string,
 	attributes pcommon.Map,
 ) string {

receiver/wavefrontreceiver/wavefront_parser_test.go

@@ -284,7 +284,7 @@ func Test_wavefrontParser_Parse(t *testing.T) {
 
 	for _, tt := range tests {
 		t.Run(tt.line, func(t *testing.T) {
-			p := WavefrontParser{ExtractCollectdTags: tt.extractCollectDTags}
+			p := wavefrontParser{ExtractCollectdTags: tt.extractCollectDTags}
 			got, err := p.Parse(tt.line)
 			if tt.missingTimestamp {
 				// The timestamp was actually generated by the parser.