Apply n8n default prefix

n8n/assets/configuration/spec.yaml

@@ -19,12 +19,11 @@ files:
           https://docs.n8n.io/hosting/configuration/environment-variables/endpoints/
         raw_metric_prefix.description: |
           The prefix prepended to all metrics from n8n.
-          If not set, the default prefix n8n is used.
+          If not set, the default prefix n8n_ is used.
           If you are using a custom prefix in n8n through N8N_METRICS_PREFIX, you need to set it here.
         raw_metric_prefix.value:
-          display_default: n8n
           type: string
-          example: n8n
+          default: n8n_
         raw_metric_prefix.hidden: false
   - template: logs
     example:

n8n/changelog.d/23598.fixed

@@ -0,0 +1 @@
+Fix default raw metric prefix.

n8n/datadog_checks/n8n/check.py

@@ -7,10 +7,12 @@
 from datadog_checks.base import OpenMetricsBaseCheckV2
 from datadog_checks.n8n.metrics import METRIC_MAP, RENAME_LABELS_MAP
 
+from .config_models import ConfigMixin
+
 DEFAULT_READY_ENDPOINT = '/healthz/readiness'
 
 
-class N8nCheck(OpenMetricsBaseCheckV2):
+class N8nCheck(OpenMetricsBaseCheckV2, ConfigMixin):
     __NAMESPACE__ = 'n8n'
     DEFAULT_METRIC_LIMIT = 0
 
@@ -28,6 +30,7 @@ def get_default_config(self):
         return {
             'metrics': [METRIC_MAP],
             'rename_labels': RENAME_LABELS_MAP,
+            'raw_metric_prefix': 'n8n_',
         }
 
     def _check_n8n_readiness(self):

n8n/datadog_checks/n8n/config_models/defaults.py

@@ -85,7 +85,7 @@ def instance_persist_connections():
 
 
 def instance_raw_metric_prefix():
-    return 'n8n'
+    return 'n8n_'
 
 
 def instance_request_size():

n8n/datadog_checks/n8n/data/conf.yaml.example

@@ -20,12 +20,12 @@ instances:
     #
   - openmetrics_endpoint: http://localhost:5678
 
-    ## @param raw_metric_prefix - string - optional - default: n8n
+    ## @param raw_metric_prefix - string - optional - default: n8n_
     ## The prefix prepended to all metrics from n8n.
-    ## If not set, the default prefix n8n is used.
+    ## If not set, the default prefix n8n_ is used.
     ## If you are using a custom prefix in n8n through N8N_METRICS_PREFIX, you need to set it here.
     #
-    # raw_metric_prefix: n8n
+    # raw_metric_prefix: <RAW_METRIC_PREFIX>
 
     ## @param extra_metrics - (list of string or mapping) - optional
     ## This list defines metrics to collect from the `openmetrics_endpoint`, in addition to

n8n/tests/common.py

@@ -18,7 +18,6 @@ def get_fixture_path(filename):
 OPENMETRICS_URL = f'http://{HOST}:{PORT}'
 INSTANCE = {
     'openmetrics_endpoint': f'{OPENMETRICS_URL}/metrics',
-    'raw_metric_prefix': 'n8n_',
 }
 
 E2E_METADATA = {