Retrieve NIM_ENDPOINT_API_KEY for Guardrail from k8s secret

Signed-off-by: Sheng Lin <shelin@nvidia.com>

Author: shengnuo

api/apps/v1alpha1/nemo_guardrails_types.go

@@ -187,6 +187,17 @@ func (n *NemoGuardrail) GetStandardEnv() []corev1.EnvVar {
 			Name:  "DEMO",
 			Value: "False",
 		},
+		{
+			Name: "NIM_ENDPOINT_API_KEY",
+			ValueFrom: &corev1.EnvVarSource{
+				SecretKeyRef: &corev1.SecretKeySelector{
+					Key: "nim-endpoint-api-key",
+					LocalObjectReference: corev1.LocalObjectReference{
+						Name: n.Spec.AuthSecret,
+					},
+				},
+			},
+		},
 	}
 
 	return envVars

config/samples/apps_v1alpha1_nemoguardrails.yaml

@@ -12,8 +12,6 @@ spec:
   env:
     - name: NIM_ENDPOINT_URL
       value: "http://<NIM_SERVICE_ENDPOINT>:<NIM_SERVICE_PORT>/v1"
-    - name: NIM_ENDPOINT_API_KEY
-      value: dummy
   expose:
     ingress:
       spec: {}