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Documentation Grafana Agent Static mode Kubernetes operator Install the Operator

Install the Operator

In this guide, you’ll learn how to deploy Grafana Agent Operator into your Kubernetes cluster. This guide does not use Helm. To learn how to deploy Agent Operator using the grafana-agent-operator Helm chart, see Install Grafana Agent Operator with Helm.

Note: If you are shipping your data to Grafana Cloud, use Kubernetes Monitoring to set up Agent Operator. Kubernetes Monitoring provides a simplified approach and preconfigured dashboards and alerts.

Before you begin

To deploy Agent Operator, make sure that you have the following:

• A Kubernetes cluster
• The kubectl command-line client installed and configured on your machine

Note: Agent Operator is currently in beta and its custom resources are subject to change.

Deploy the Agent Operator Custom Resource Definitions (CRDs)

Before you can create the custom resources for a Grafana Agent deployment, you need to deploy the Custom Resource Definitions to the cluster. These definitions describe the schema that the custom resources will conform to. This is also required for Grafana Agent Operator to run; it will fail if it can’t find the Custom Resource Definitions of objects it is looking to use. To learn more about the custom resources Agent Operator provides and their hierarchy, see Grafana Agent Operator architecture.

You can find the set of Custom Resource Definitions for Grafana Agent Operator in the Grafana Agent repository under production/operator/crds.

To deploy the CRDs:

1. Clone the agent repo and then apply the CRDs from the root of the agent repository:

   Copy

   kubectl apply -f production/operator/crds

   This step must be completed before installing Agent Operator—it will fail to start if the CRDs do not exist.

2. To check that the CRDs are deployed to your Kubernetes cluster and to access documentation for each resource, use kubectl explain <resource>.

   For example, kubectl explain GrafanaAgent describes the GrafanaAgent CRD, and kubectl explain GrafanaAgent.spec gives you information on its spec field.

Install Grafana Agent Operator

Next, install Agent Operator by applying the Agent Operator deployment schema.

To install Agent Operator:

1. Copy the following deployment schema to a file, updating the namespace if needed:

   yaml Copy

   apiVersion: apps/v1
   kind: Deployment
   metadata:
     name: grafana-agent-operator
     namespace: default
     labels:
       app: grafana-agent-operator
   spec:
     replicas: 1
     selector:
       matchLabels:
         app: grafana-agent-operator
     template:
       metadata:
         labels:
           app: grafana-agent-operator
       spec:
         serviceAccountName: grafana-agent-operator
         containers:
         - name: operator
           image: grafana/agent-operator:v0.35.4
           args:
           - --kubelet-service=default/kubelet
   ---
   
   apiVersion: v1
   kind: ServiceAccount
   metadata:
     name: grafana-agent-operator
     namespace: default
   
   ---
   
   apiVersion: rbac.authorization.k8s.io/v1
   kind: ClusterRole
   metadata:
     name: grafana-agent-operator
   rules:
   - apiGroups: [monitoring.grafana.com]
     resources:
     - grafanaagents
     - metricsinstances
     - logsinstances
     - podlogs
     - integrations
     verbs: [get, list, watch]
   - apiGroups: [monitoring.coreos.com]
     resources:
     - podmonitors
     - probes
     - servicemonitors
     verbs: [get, list, watch]
   - apiGroups: [""]
     resources:
     - namespaces
     - nodes
     verbs: [get, list, watch]
   - apiGroups: [""]
     resources:
     - secrets
     - services
     - configmaps
     - endpoints
     verbs: [get, list, watch, create, update, patch, delete]
   - apiGroups: ["apps"]
     resources:
     - statefulsets
     - daemonsets
     - deployments
     verbs: [get, list, watch, create, update, patch, delete]
   
   ---
   
   apiVersion: rbac.authorization.k8s.io/v1
   kind: ClusterRoleBinding
   metadata:
     name: grafana-agent-operator
   roleRef:
     apiGroup: rbac.authorization.k8s.io
     kind: ClusterRole
     name: grafana-agent-operator
   subjects:
   - kind: ServiceAccount
     name: grafana-agent-operator
     namespace: default

2. Roll out the deployment in your cluster using kubectl apply -f followed by your deployment filename.

Note: If you want to run Agent Operator locally, make sure your kubectl context is correct. Running locally uses your current kubectl context. If it is set to your production environment, you could accidentally deploy a new Grafana Agent to production. Install CRDs on the cluster prior to running locally. Afterwards, you can run Agent Operator using go run ./cmd/grafana-agent-operator.

Deploy the Grafana Agent Operator resources

Agent Operator is now up and running. Next, you need to install a Grafana Agent for Agent Operator to run for you. To do so, follow the instructions in the Deploy the Grafana Agent Operator resources topic.