[scraperhelper] Use {record} unit for log and profile record metrics (#15730)

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#### Description

Correct units for scraper metrics.

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#### Authorship

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Author: mx-psi

.chloggen/scraperhelper-log-record-unit.yaml

@@ -0,0 +1,13 @@
+change_type: bug_fix
+
+component: pkg/scraperhelper
+
+note: Use `{record}` instead of `{datapoint}` as the unit of the log record and profile record scraper metrics
+
+issues: [15730]
+
+subtext: |
+  Affects `otelcol_scraper_scraped_log_records`, `otelcol_scraper_errored_log_records`,
+  `otelcol_scraper_scraped_profile_records` and `otelcol_scraper_errored_profile_records`.
+
+change_logs: [user]

scraper/scraperhelper/documentation.md

@@ -12,7 +12,7 @@ Number of log records that were unable to be scraped.
 
 | Unit | Metric Type | Value Type | Monotonic | Stability |
 | ---- | ----------- | ---------- | --------- | --------- |
-| {datapoint} | Sum | Int | true | Alpha |
+| {record} | Sum | Int | true | Alpha |
 
 ### otelcol_scraper_errored_metric_points
 
@@ -28,7 +28,7 @@ Number of log records successfully scraped.
 
 | Unit | Metric Type | Value Type | Monotonic | Stability |
 | ---- | ----------- | ---------- | --------- | --------- |
-| {datapoint} | Sum | Int | true | Alpha |
+| {record} | Sum | Int | true | Alpha |
 
 ### otelcol_scraper_scraped_metric_points
 

scraper/scraperhelper/internal/metadata/generated_telemetry.go

@@ -17,7 +17,7 @@ telemetry:
       enabled: true
       stability: alpha
       description: Number of log records that were unable to be scraped.
-      unit: "{datapoint}"
+      unit: "{record}"
       sum:
         value_type: int
         monotonic: true
@@ -35,7 +35,7 @@ telemetry:
       enabled: true
       stability: alpha
       description: Number of log records successfully scraped.
-      unit: "{datapoint}"
+      unit: "{record}"
       sum:
         value_type: int
         monotonic: true

scraper/scraperhelper/internal/metadatatest/generated_telemetrytest.go

@@ -12,12 +12,12 @@ Number of profile records that were unable to be scraped.
 
 | Unit | Metric Type | Value Type | Monotonic | Stability |
 | ---- | ----------- | ---------- | --------- | --------- |
-| {datapoint} | Sum | Int | true | Alpha |
+| {record} | Sum | Int | true | Alpha |
 
 ### otelcol_scraper_scraped_profile_records
 
 Number of profile records successfully scraped.
 
 | Unit | Metric Type | Value Type | Monotonic | Stability |
 | ---- | ----------- | ---------- | --------- | --------- |
-| {datapoint} | Sum | Int | true | Alpha |
+| {record} | Sum | Int | true | Alpha |

scraper/scraperhelper/metadata.yaml

@@ -16,7 +16,7 @@ telemetry:
       enabled: true
       stability: alpha
       description: Number of profile records that were unable to be scraped.
-      unit: "{datapoint}"
+      unit: "{record}"
       sum:
         value_type: int
         monotonic: true
@@ -25,7 +25,7 @@ telemetry:
       enabled: true
       stability: alpha
       description: Number of profile records successfully scraped.
-      unit: "{datapoint}"
+      unit: "{record}"
       sum:
         value_type: int
         monotonic: true