istio.io/content/en/docs/setup/install/helm/index.md

title	description	weight	keywords	aliases	icon
Customizable Install with Helm	Install and configure Istio for in-depth evaluation or production use.	20	kubernetes helm	/docs/setup/kubernetes/helm.html /docs/tasks/integrating-services-into-istio.html /docs/setup/kubernetes/helm-install/ /docs/setup/kubernetes/install/helm/	helm

{{< warning >}} The Helm installation approach will be deprecated in the future. We recommend Installing with {{< istioctl >}}, instead. {{< /warning >}}

Follow this guide to install and configure an Istio mesh for in-depth evaluation or production use.

This installation guide uses Helm charts that provide rich customization of the Istio control plane and of the sidecars for the Istio data plane. You can simply use helm template to generate the configuration and then install it using kubectl apply.

Using these instructions, you can select any one of Istio's built-in configuration profiles and then further customize the configuration for your specific needs.

Prerequisites

1. Download the Istio release.

2. Perform any necessary platform-specific setup.

3. Check the Requirements for Pods and Services.

4. Install a Helm client with a version higher than 2.10.

   {{< warning >}} Use a 2.x version of Helm. Helm 3 is not supported. {{< /warning >}}

Helm chart release repositories

The commands in this guide use the Helm charts that are included in the Istio release image. If you want to use the Istio release Helm chart repository instead, adjust the commands accordingly and add the Istio release repository as follows:

{{< text bash >}} $ helm repo add istio.io https://storage.googleapis.com/istio-release/releases/{{< istio_full_version >}}/charts/ {{< /text >}}

Installation steps

Change directory to the root of the release and then follow the instructions below.

{{< tip >}} Istio, by default, uses LoadBalancer service object types. Some platforms do not support LoadBalancer service objects. For platforms lacking LoadBalancer support, install Istio with NodePort support instead with the flags --set gateways.istio-ingressgateway.type=NodePort appended to the end of the Helm instructions in the installation steps below. {{< /tip >}}

Previously, this document described a Helm installation method that utilized the Tiller component. That installation method is no longer recommended. Instead, we recommend using istioctl as documented in Installing with {{< istioctl >}}. If you want to use Helm, then you need to use the helm template method described below.

1. Create a namespace for the istio-system components:

   {{< text bash >}} $ kubectl create namespace istio-system {{< /text >}}

2. Install all the Istio Custom Resource Definitions (CRDs) using kubectl apply:

   {{< text bash >}} $ helm template install/kubernetes/helm/istio-init --name istio-init --namespace istio-system | kubectl apply -f - {{< /text >}}

3. {{< boilerplate verify-crds >}}

4. Select a configuration profile and then render and apply Istio's core components corresponding to your chosen profile. The default profile is recommended for production deployments:

   {{< tip >}} You can further customize the configuration by adding one or more --set <key>=<value> Installation Options to the helm command. {{< /tip >}}

{{< tabset category-name="helm_profile" >}}

{{< tab name="default" category-value="default" >}}

{{< text bash >}} $ helm template install/kubernetes/helm/istio --name istio --namespace istio-system | kubectl apply -f - {{< /text >}}

{{< /tab >}}

{{< tab name="demo" category-value="demo" >}}

{{< text bash >}} $ helm template install/kubernetes/helm/istio --name istio --namespace istio-system
--values install/kubernetes/helm/istio/values-istio-demo.yaml | kubectl apply -f - {{< /text >}}

{{< /tab >}}

{{< tab name="minimal" category-value="minimal" >}}

{{< text bash >}} $ helm template install/kubernetes/helm/istio --name istio --namespace istio-system
--values install/kubernetes/helm/istio/values-istio-minimal.yaml | kubectl apply -f - {{< /text >}}

{{< /tab >}}

{{< tab name="Mutual TLS enabled" category-value="mtls" >}}

Enable mutual TLS in Istio by setting options global.controlPlaneSecurityEnabled=true and global.mtls.enabled=true, in addition to the specifying the Helm values file corresponding to your chosen profile.

For example, to configure the demo profile with mutual TLS enabled:

{{< text bash >}} $ helm template install/kubernetes/helm/istio --name istio --namespace istio-system
--values install/kubernetes/helm/istio/values-istio-demo.yaml
--set global.controlPlaneSecurityEnabled=true
--set global.mtls.enabled=true | kubectl apply -f - {{< /text >}}

{{< /tab >}}

{{< tab name="Istio CNI enabled" category-value="cni" >}}

Install the Istio CNI components:

{{< text bash >}} $ helm template install/kubernetes/helm/istio-cni --name=istio-cni --namespace=kube-system | kubectl apply -f - {{< /text >}}

Enable CNI in Istio by setting --set istio_cni.enabled=true in addition to the settings for your chosen profile. For example, to configure the default profile:

{{< text bash >}} $ helm template install/kubernetes/helm/istio --name istio --namespace istio-system
--set istio_cni.enabled=true | kubectl apply -f - {{< /text >}}

{{< /tab >}}

{{< /tabset >}}

Verifying the installation

1. Referring to components table in configuration profiles, verify that the Kubernetes services corresponding to your selected profile have been deployed.

   {{< text bash >}} $ kubectl get svc -n istio-system {{< /text >}}

2. Ensure the corresponding Kubernetes pods are deployed and have a STATUS of Running:

   {{< text bash >}} $ kubectl get pods -n istio-system {{< /text >}}

Uninstall

• You can use the helm template command to uninstall Istio. Uninstall with these commands:

{{< tabset category-name="helm_profile" >}}

{{< tab name="default" category-value="default" >}}

{{< text bash >}} $ helm template install/kubernetes/helm/istio --name istio --namespace istio-system | kubectl delete -f - $ kubectl delete namespace istio-system {{< /text >}}

{{< /tab >}}

{{< tab name="demo" category-value="demo" >}}

{{< text bash >}} $ helm template install/kubernetes/helm/istio --name istio --namespace istio-system
--values install/kubernetes/helm/istio/values-istio-demo.yaml | kubectl delete -f - $ kubectl delete namespace istio-system {{< /text >}}

{{< /tab >}}

{{< tab name="minimal" category-value="minimal" >}}

{{< text bash >}} $ helm template install/kubernetes/helm/istio --name istio --namespace istio-system
--values install/kubernetes/helm/istio/values-istio-minimal.yaml | kubectl delete -f - $ kubectl delete namespace istio-system {{< /text >}}

{{< /tab >}}

{{< tab name="Mutual TLS enabled" category-value="mtls" >}}

Follow the instructions corresponding to your selected configuration profile.

{{< /tab >}}

{{< tab name="Istio CNI enabled" category-value="cni" >}}

Follow the instructions corresponding to your selected configuration profile and then execute the following command to uninstall the CNI plug-in:

{{< text bash >}} $ helm template install/kubernetes/helm/istio-cni --name=istio-cni --namespace=kube-system | kubectl delete -f - {{< /text >}}

{{< /tab >}}

{{< /tabset >}}

Deleting CRDs and Istio Configuration

Istio, by design, expects Istio's Custom Resources contained within CRDs to leak into the Kubernetes environment. CRDs contain the runtime configuration set by the operator. Because of this, we consider it better for operators to explicitly delete the runtime configuration data rather than unexpectedly lose it.

{{< warning >}} Deleting CRDs permanently deletes any configuration changes that you have made to Istio. {{< /warning >}}

The istio-init chart contains all raw CRDs in the istio-init/files directory. You can simply delete the CRDs using kubectl. To permanently delete Istio's CRDs and the entire Istio configuration, run:

{{< text bash >}} $ kubectl delete -f install/kubernetes/helm/istio-init/files {{< /text >}}