feat: add parameter enableAdminAPI to prometheus configuration

Signed-off-by: morenod <[email protected]>

Author: morenod

bundle/manifests/monitoring.rhobs_monitoringstacks.yaml

@@ -205,6 +205,10 @@ spec:
                       Defaults to the value of `false`.
                       The resulting endpoint is /api/v1/otlp/v1/metrics.
                     type: boolean
+                  enableAdminAPI:
+                    description: |- 
+                      Enable Prometheus admin API. Defaults to the value of `false`.
+                    type: boolean
                   enableRemoteWriteReceiver:
                     description: Enable Prometheus to be used as a receiver for the
                       Prometheus remote write protocol. Defaults to the value of `false`.

deploy/crds/common/monitoring.rhobs_monitoringstacks.yaml

@@ -199,6 +199,11 @@ spec:
                   replicas: 2
                 description: Define prometheus config
                 properties:
+                  enableAdminAPI:
+                    description: |-
+                      Enable Prometheus Admin API
+                      Default to the value of `false`.
+                    type: boolean
                   enableOtlpHttpReceiver:
                     description: |-
                       Enable Prometheus to accept OpenTelemetry Metrics via the otlp/http protocol.

docs/api.md

@@ -478,13 +478,22 @@ Defaults to the value of `false`.
 The resulting endpoint is /api/v1/otlp/v1/metrics.<br/>
         </td>
         <td>false</td>
+      </tr><tr>
+        <td><b>enableAdminAPI</b></td>
+        <td>boolean</td>
+        <td>
+          Enable Prometheus Admin API. Defaults to the value of `false`.<br/>
+        </td>
+        <td>false</td>
       </tr><tr>
         <td><b>enableRemoteWriteReceiver</b></td>
         <td>boolean</td>
         <td>
           Enable Prometheus to be used as a receiver for the Prometheus remote write protocol. Defaults to the value of `false`.<br/>
         </td>
         <td>false</td>
+
+
       </tr><tr>
         <td><b>externalLabels</b></td>
         <td>map[string]string</td>

pkg/apis/monitoring/v1alpha1/types.go

@@ -222,6 +222,10 @@ type PrometheusConfig struct {
 	// Define ExternalLabels for prometheus
 	// +optional
 	ExternalLabels map[string]string `json:"externalLabels,omitempty"`
+	// Enable Prometheus Admin API
+	// Default to the value of `false`.
+	// +optional
+	EnableAdminAPI bool `json:"enableAdminAPI,omitempty"`
 	// Enable Prometheus to be used as a receiver for the Prometheus remote write protocol. Defaults to the value of `false`.
 	// +optional
 	EnableRemoteWriteReceiver bool `json:"enableRemoteWriteReceiver,omitempty"`

pkg/controllers/monitoring/monitoring-stack/components.go

@@ -201,6 +201,7 @@ func newPrometheus(
 				},
 				RemoteWrite:               config.RemoteWrite,
 				ExternalLabels:            config.ExternalLabels,
+				EnableAdminAPI:            config.EnableAdminAPI,
 				EnableRemoteWriteReceiver: config.EnableRemoteWriteReceiver,
 				EnableFeatures: func() []monv1.EnableFeature {
 					if config.EnableOtlpHttpReceiver != nil && *config.EnableOtlpHttpReceiver {

test/e2e/monitoring_stack_controller_test.go

@@ -741,6 +741,7 @@ func assertPrometheusManagedFields(t *testing.T) {
 		ExternalLabels: map[string]string{
 			"key": "value",
 		},
+		EnableAdminAPI: true,
 		EnableRemoteWriteReceiver: true,
 		EnableOtlpHttpReceiver:    func(b bool) *bool { return &b }(true),
 		WebTLSConfig: &stack.WebTLSConfig{
@@ -947,6 +948,7 @@ const oboManagedFieldsJson = `
     "f:alertmanagers": {}
   },
   "f:arbitraryFSAccessThroughSMs": {},
+  "f:enableAdminAPI": {},
   "f:enableRemoteWriteReceiver": {},
   "f:externalLabels": {
     "f:key": {}