[receiver/azuremonitor] reduce public api (open-telemetry#30224)

Resolves open-telemetry#24850

.chloggen/nslaughter_reduce-public-api-azuremonitorreceiver.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: azuremonitorreceiver
+
+# A brief description of the change. Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Reduce the public API for this receiver.
+
+# Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists.
+issues: [24850]
+
+# (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: This unexports the following types ArmClient, MetricsDefinitionsClientInterface, MetricsValuesClient.
+
+# 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/azuremonitorreceiver/scraper.go

@@ -95,9 +95,9 @@ func newScraper(conf *Config, settings receiver.CreateSettings) *azureScraper {
 type azureScraper struct {
  cred azcore.TokenCredential
 
- clientResources ArmClient
- clientMetricsDefinitions MetricsDefinitionsClientInterface
- clientMetricsValues MetricsValuesClient
+ clientResources armClient
+ clientMetricsDefinitions metricsDefinitionsClientInterface
+ clientMetricsValues metricsValuesClient
 
  cfg *Config
  settings component.TelemetrySettings
@@ -113,7 +113,7 @@ type azureScraper struct {
  mutex *sync.Mutex
 }
 
-type ArmClient interface {
+type armClient interface {
  NewListPager(options *armresources.ClientListOptions) *runtime.Pager[armresources.ClientListResponse]
 }
 
@@ -134,27 +134,27 @@ func (s *azureScraper) getArmClientOptions() *arm.ClientOptions {
  return &options
 }
 
-func (s *azureScraper) getArmClient() ArmClient {
+func (s *azureScraper) getArmClient() armClient {
  client, _ := s.armClientFunc(s.cfg.SubscriptionID, s.cred, s.armClientOptions)
  return client
 }
 
-type MetricsDefinitionsClientInterface interface {
+type metricsDefinitionsClientInterface interface {
  NewListPager(resourceURI string, options *armmonitor.MetricDefinitionsClientListOptions) *runtime.Pager[armmonitor.MetricDefinitionsClientListResponse]
 }
 
-func (s *azureScraper) getMetricsDefinitionsClient() MetricsDefinitionsClientInterface {
+func (s *azureScraper) getMetricsDefinitionsClient() metricsDefinitionsClientInterface {
  client, _ := s.armMonitorDefinitionsClientFunc(s.cfg.SubscriptionID, s.cred, s.armClientOptions)
  return client
 }
 
-type MetricsValuesClient interface {
+type metricsValuesClient interface {
  List(ctx context.Context, resourceURI string, options *armmonitor.MetricsClientListOptions) (
  armmonitor.MetricsClientListResponse, error,
  )
 }
 
-func (s *azureScraper) GetMetricsValuesClient() MetricsValuesClient {
+func (s *azureScraper) GetMetricsValuesClient() metricsValuesClient {
  client, _ := s.armMonitorMetricsClientFunc(s.cfg.SubscriptionID, s.cred, s.armClientOptions)
  return client
 }