[receiver/mongodbreceiver] Added new mongodb metrics to achieve parity with Telegraf

.chloggen/chan-tim_mongodbMetrics.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: enhancement
+
+# 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: Added new mongodb metrics to acheive parity with Telegraf
+
+# Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists.
+issues: [37227]
+
+# (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: []

receiver/mongodbreceiver/client_test.go

@@ -69,6 +69,23 @@ func (fc *fakeClient) IndexStats(ctx context.Context, dbName, collectionName str
 	return args.Get(0).([]bson.M), args.Error(1)
 }
 
+func (fc *fakeClient) RunCommand(ctx context.Context, db string, command bson.M) (bson.M, error) {
+	args := fc.Called(ctx, db, command)
+	if args.Get(0) == nil {
+		return nil, args.Error(1)
+	}
+
+	result, ok := args.Get(0).(bson.M)
+	if !ok {
+		err := errors.New("mock returned invalid type")
+		zap.L().Error("type assertion failed",
+			zap.String("expected", "bson.M"))
+		return nil, err
+	}
+
+	return result, args.Error(1)
+}
+
 func TestListDatabaseNames(t *testing.T) {
 	mont := mtest.New(t, mtest.NewOptions().ClientType(mtest.Mock))
 

receiver/mongodbreceiver/documentation.md

@@ -242,6 +242,70 @@ metrics:
     enabled: true
 ```
 
+### mongodb.active.reads
+
+The number of read operations currently being processed.
+
+| Unit | Metric Type | Value Type | Aggregation Temporality | Monotonic |
+| ---- | ----------- | ---------- | ----------------------- | --------- |
+| {reads} | Sum | Int | Cumulative | false |
+
+### mongodb.active.writes
+
+The number of write operations currently being processed.
+
+| Unit | Metric Type | Value Type | Aggregation Temporality | Monotonic |
+| ---- | ----------- | ---------- | ----------------------- | --------- |
+| {writes} | Sum | Int | Cumulative | false |
+
+### mongodb.cache.dirty.percent
+
+The percentage of WiredTiger cache that is dirty.
+
+| Unit | Metric Type | Value Type |
+| ---- | ----------- | ---------- |
+| 1 | Gauge | Double |
+
+### mongodb.cache.used.percent
+
+The percentage of WiredTiger cache in use.
+
+| Unit | Metric Type | Value Type |
+| ---- | ----------- | ---------- |
+| 1 | Gauge | Double |
+
+### mongodb.commands_per_sec
+
+The number of commands executed per second.
+
+| Unit | Metric Type | Value Type |
+| ---- | ----------- | ---------- |
+| {command}/s | Gauge | Double |
+
+### mongodb.deletes_per_sec
+
+The number of deletes executed per second.
+
+| Unit | Metric Type | Value Type |
+| ---- | ----------- | ---------- |
+| {delete}/s | Gauge | Double |
+
+### mongodb.flushes_per_sec
+
+The number of flushes executed per second.
+
+| Unit | Metric Type | Value Type |
+| ---- | ----------- | ---------- |
+| {flush}/s | Gauge | Double |
+
+### mongodb.getmores_per_sec
+
+The number of getmores executed per second.
+
+| Unit | Metric Type | Value Type |
+| ---- | ----------- | ---------- |
+| {getmore}/s | Gauge | Double |
+
 ### mongodb.health
 
 The health status of the server.
@@ -252,6 +316,14 @@ A value of '1' indicates healthy. A value of '0' indicates unhealthy.
 | ---- | ----------- | ---------- |
 | 1 | Gauge | Int |
 
+### mongodb.inserts_per_sec
+
+The number of insertions executed per second.
+
+| Unit | Metric Type | Value Type |
+| ---- | ----------- | ---------- |
+| {insert}/s | Gauge | Double |
+
 ### mongodb.lock.acquire.count
 
 Number of times the lock was acquired in the specified mode.
@@ -340,6 +412,30 @@ The number of replicated operations executed.
 | ---- | ----------- | ------ |
 | operation | The MongoDB operation being counted. | Str: ``insert``, ``query``, ``update``, ``delete``, ``getmore``, ``command`` |
 
+### mongodb.page_faults
+
+The number of page faults.
+
+| Unit | Metric Type | Value Type | Aggregation Temporality | Monotonic |
+| ---- | ----------- | ---------- | ----------------------- | --------- |
+| {faults} | Sum | Int | Cumulative | true |
+
+### mongodb.queries_per_sec
+
+The number of queries executed per second.
+
+| Unit | Metric Type | Value Type |
+| ---- | ----------- | ---------- |
+| {query}/s | Gauge | Double |
+
+### mongodb.updates_per_sec
+
+The number of updates executed per second.
+
+| Unit | Metric Type | Value Type |
+| ---- | ----------- | ---------- |
+| {update}/s | Gauge | Double |
+
 ### mongodb.uptime
 
 The amount of time that the server has been running.
@@ -348,6 +444,14 @@ The amount of time that the server has been running.
 | ---- | ----------- | ---------- | ----------------------- | --------- |
 | ms | Sum | Int | Cumulative | true |
 
+### mongodb.wtcache.bytes.read
+
+The number of bytes read into the WiredTiger cache.
+
+| Unit | Metric Type | Value Type | Aggregation Temporality | Monotonic |
+| ---- | ----------- | ---------- | ----------------------- | --------- |
+| By | Sum | Int | Cumulative | true |
+
 ## Resource Attributes
 
 | Name | Description | Values | Enabled |