[receiver/mongodb] remove duplicate database name attribute

.chloggen/mongodbreceiver-duplicate-attribute-24972.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: 'bug_fix'
+
+# The name of the component, or a single word describing the area of concern, (e.g. filelogreceiver)
+component: mongodbreceiver
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Remove duplicate database name attribute, database name reported as a datapoint attribute and as a resource attribute, one of them should be removed
+
+# Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists.
+issues: [24972]
+
+# (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: [user]

receiver/mongodbreceiver/documentation.md

@@ -397,9 +397,3 @@ The amount of time that the server has been running.
 | Unit | Metric Type | Value Type | Aggregation Temporality | Monotonic |
 | ---- | ----------- | ---------- | ----------------------- | --------- |
 | ms | Sum | Int | Cumulative | true |
-
-## Resource Attributes
-
-| Name | Description | Values | Enabled |
-| ---- | ----------- | ------ | ------- |
-| database | The name of a database. | Any Str | true |

receiver/mongodbreceiver/internal/metadata/testdata/config.yaml

@@ -61,9 +61,6 @@ all_set:
       enabled: true
     mongodb.uptime:
       enabled: true
-  resource_attributes:
-    database:
-      enabled: true
 none_set:
   metrics:
     mongodb.cache.operations:
@@ -126,6 +123,3 @@ none_set:
       enabled: false
     mongodb.uptime:
       enabled: false
-  resource_attributes:
-    database:
-      enabled: false

receiver/mongodbreceiver/metadata.yaml

@@ -8,12 +8,6 @@ status:
   codeowners:
     active: [djaglowski, schmikei]
 
-resource_attributes:
-  database:
-    description: The name of a database.
-    enabled: true
-    type: string
-
 attributes:
   database:
     description: The name of a database.

receiver/mongodbreceiver/scraper.go

@@ -116,10 +116,7 @@ func (s *mongodbScraper) collectDatabase(ctx context.Context, now pcommon.Timest
 		return
 	}
 	s.recordNormalServerStats(now, serverStatus, databaseName, errs)
-
-	rb := s.mb.NewResourceBuilder()
-	rb.SetDatabase(databaseName)
-	s.mb.EmitForResource(metadata.WithResource(rb.Emit()))
+	s.mb.EmitForResource()
 }
 
 func (s *mongodbScraper) collectAdminDatabase(ctx context.Context, now pcommon.Timestamp, errs *scrapererror.ScrapeErrors) {

receiver/mongodbreceiver/testdata/integration/expected.4_0.yaml

@@ -206,10 +206,7 @@ resourceMetrics:
           name: otelcol/mongodbreceiver
           version: latest
   - resource:
-      attributes:
-        - key: database
-          value:
-            stringValue: admin
+      attributes: []
     scopeMetrics:
       - metrics:
           - description: The number of collections.
@@ -429,10 +426,7 @@ resourceMetrics:
           name: otelcol/mongodbreceiver
           version: latest
   - resource:
-      attributes:
-        - key: database
-          value:
-            stringValue: config
+      attributes: []
     scopeMetrics:
       - metrics:
           - description: The number of collections.
@@ -652,10 +646,7 @@ resourceMetrics:
           name: otelcol/mongodbreceiver
           version: latest
   - resource:
-      attributes:
-        - key: database
-          value:
-            stringValue: local
+      attributes: []
     scopeMetrics:
       - metrics:
           - description: The number of collections.
@@ -852,10 +843,7 @@ resourceMetrics:
           name: otelcol/mongodbreceiver
           version: latest
   - resource:
-      attributes:
-        - key: database
-          value:
-            stringValue: testdb
+      attributes: []
     scopeMetrics:
       - metrics:
           - description: The number of collections.