Disable prometheus by default (#416)

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

Author: kerthcet

chart/values.global.yaml

@@ -32,14 +32,14 @@ leaderWorkerSet:
 
 prometheus:
   # Prometheus is required to enable smart routing.
-  enabled: true
+  enabled: false
 
 open-webui:
   enabled: true
   persistence:
     enabled: false
   enableOpenaiApi: true
-  # Assumes the OpenAI-compatible API is exposed via the Envoy AI Gateway. Please replace this value if you 
+  # Assumes the OpenAI-compatible API is exposed via the Envoy AI Gateway. Please replace this value if you
   # deployed the envoy-ai-gateway example to a namespace other than "default".
   openaiBaseApiUrl: "http://envoy-default-default-envoy-ai-gateway-dbec795a.llmaz-system.svc.cluster.local/v1"
   extraEnvVars:

site/content/en/docs/installation.md

@@ -10,11 +10,13 @@ description: >
 
 **Requirements**:
 
-- Kubernetes version >= 1.26. LWS requires Kubernetes version **v1.26 or higher**. If you are using a lower Kubernetes version and most of your workloads rely on single-node inference, we may consider replacing LWS with a Deployment-based approach. This fallback plan would involve using Kubernetes Deployments to manage single-node inference workloads efficiently. See [#32](https://github.com/InftyAI/llmaz/issues/32) for more details and updates.
+- Kubernetes version >= 1.27.
+
+    LWS requires Kubernetes version **v1.27 or higher**. If you are using a lower Kubernetes version and most of your workloads rely on single-node inference, we may consider replacing LWS with a Deployment-based approach. This fallback plan would involve using Kubernetes Deployments to manage single-node inference workloads efficiently. See [#32](https://github.com/InftyAI/llmaz/issues/32) for more details and updates.
 - Helm 3, see [installation](https://helm.sh/docs/intro/install/).
-- Prometheus, see [installation](https://github.com/InftyAI/llmaz/blob/main/site/content/en/docs/integrations/prometheus-operator.md#install-the-prometheus-operator).
 
-Note: llmaz helm chart will by default install
+Note that llmaz helm chart will by default install:
+
 - [LWS](https://github.com/kubernetes-sigs/lws) as the default inference workload in the llmaz-system, if you *already installed it * or *want to deploy it in other namespaces* , append `--set leaderWorkerSet.enabled=false` to the command below.
 - [Envoy Gateway](https://github.com/envoyproxy/gateway) and [Envoy AI Gateway](https://github.com/envoyproxy/ai-gateway) as the frontier in the llmaz-system, if you *already installed these two components* or *want to deploy in other namespaces* , append `--set envoy-gateway.enabled=false --set envoy-ai-gateway.enabled=false` to the command below.
 - [Open WebUI](https://github.com/open-webui/open-webui) as the default chatbot, if you want to disable it, append `--set open-webui.enabled=false` to the command below.

site/content/en/docs/integrations/prometheus-operator.md

@@ -3,19 +3,24 @@ title: Prometheus Operator
 weight: 3
 ---
 
-Currently, llmaz has already integrated metrics. This document provides deployment steps explaining how to install and configure Prometheus Operator in a Kubernetes cluster.
+This document provides deployment steps to install and configure Prometheus Operator in a Kubernetes cluster.
 
 ### Install the prometheus operator
 
-Please follow the [documentation](https://github.com/prometheus-operator/prometheus-operator/blob/main/Documentation/getting-started/installation.md) to install
+Please follow the [documentation](https://github.com/prometheus-operator/prometheus-operator/blob/main/Documentation/getting-started/installation.md) to install prometheus operator or simply run the following command:
+
+```bash
+curl -sL https://github.com/prometheus-operator/prometheus-operator/releases/download/v0.81.0/bundle.yaml | kubectl delete -f -
+```
+
+Ensure that the Prometheus Operator Pod is running successfully.
 
 ```bash
 # Installing the prometheus operator
 root@VM-0-5-ubuntu:/home/ubuntu# kubectl get pods
 NAME                                   READY   STATUS    RESTARTS   AGE
 prometheus-operator-55b5c96cf8-jl2nx   1/1     Running   0          12s
 ```
-Ensure that the Prometheus Operator Pod is running successfully.
 
 ### Install the ServiceMonitor CR for llmaz