# Helm Chart For Victoria Metrics Agent.

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# Prerequisites

* Install the follow packages: ``git``, ``kubectl``, ``helm``, ``helm-docs``. See this [tutorial](../../REQUIREMENTS.md).

# How to install

Access a Kubernetes cluster.

Add a chart helm repository with follow commands:

```console
helm repo add vm https://victoriametrics.github.io/helm-charts/

helm repo update
```

List versions of ``vm/victoria-metrics-agent`` chart available to installation:

##### for helm v3

```console
helm search repo vm/victoria-metrics-agent -l
```

Export default values of ``victoria-metrics-agent`` chart to file ``values.yaml``:

```console
helm show values vm/victoria-metrics-agent > values.yaml
```

Change the values according to the need of the environment in ``values.yaml`` file.

Test the installation with command:

```console
helm install vmagent vm/victoria-metrics-agent -f values.yaml -n NAMESPACE --debug --dry-run
```

Install chart with command:

##### for helm v3

```console
helm install vmagent vm/victoria-metrics-agent -f values.yaml -n NAMESPACE
```

Get the pods lists by running this commands:

```console
kubectl get pods -A | grep 'agent'
```

Get the application by running this command:

```console
helm list -f vmagent -n NAMESPACE
```

See the history of versions of ``vmagent`` application with command.

```console
helm history vmagent -n NAMESPACE
```

# How to uninstall

Remove application with command.

```console
helm uninstall vmagent -n NAMESPACE
```

# Documentation of Helm Chart

Install ``helm-docs`` following the instructions on this [tutorial](../../REQUIREMENTS.md).

Generate docs with ``helm-docs`` command.

```bash
cd charts/victoria-metrics-agent

helm-docs
```

The markdown generation is entirely go template driven. The tool parses metadata from charts and generates a number of sub-templates that can be referenced in a template file (by default ``README.md.gotmpl``). If no template file is provided, the tool has a default internal template that will generate a reasonably formatted README.

# Parameters

The following tables lists the configurable parameters of the chart and their default values.

Change the values according to the need of the environment in ``victoria-metrics-agent/values.yaml`` file.

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