Merge pull request #152 from cbron/istio-mirror-images

labels:

  rancher.istio.v1.4.3: 1.4.3

rancher_min_version: 2.3.4-rc1

rancher_max_version: 2.3.4-rc1

# Patterns to ignore when building packages.

# This supports shell glob matching, relative path matching, and

# negation (prefixed with !). Only one pattern per line.

.DS_Store

# Common VCS dirs

.git/

.gitignore

.bzr/

.bzrignore

.hg/

.hgignore

.svn/

# Common backup files

*.swp

*.bak

*.tmp

*~

# Various IDEs

.project

.idea/

*.tmproj

apiVersion: v1

appVersion: 1.4.3

description: Helm chart for all istio components

engine: gotpl

icon: https://istio.io/favicons/android-192x192.png

keywords:

- istio

- security

- sidecarInjectorWebhook

- mixer

- pilot

- galley

name: rancher-istio

sources:

- http://github.com/istio/istio

tillerVersion: '>=2.7.2-0'

version: 1.4.300

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# Istio

[Istio](https://istio.io/) is an open platform for providing a uniform way to integrate microservices, manage traffic flow across microservices, enforce policies and aggregate telemetry data.

The documentation here is for developers only, please follow the installation instructions from [istio.io](https://istio.io/docs/setup/kubernetes/install/helm/) for all other uses.

## Introduction

This chart bootstraps all Istio [components](https://istio.io/docs/concepts/what-is-istio/) deployment on a [Kubernetes](http://kubernetes.io) cluster using the [Helm](https://helm.sh) package manager.

## Chart Details

This chart can install multiple Istio components as subcharts:

- ingressgateway

- egressgateway

- sidecarInjectorWebhook

- galley

- mixer

- pilot

- security(citadel)

- grafana

- prometheus

- tracing(jaeger)

- kiali

To enable or disable each component, change the corresponding `enabled` flag.

## Prerequisites

- Kubernetes 1.9 or newer cluster with RBAC (Role-Based Access Control) enabled is required

- Helm 2.7.2 or newer or alternately the ability to modify RBAC rules is also required

- If you want to enable automatic sidecar injection, Kubernetes 1.9+ with `admissionregistration` API is required, and `kube-apiserver` process must have the `admission-control` flag set with the `MutatingAdmissionWebhook` and `ValidatingAdmissionWebhook` admission controllers added and listed in the correct order.

- The `istio-init` chart must be run to completion prior to install the `istio` chart.

## Resources Required

The chart deploys pods that consume minimum resources as specified in the resources configuration parameter.

## Installing the Chart

1. If a service account has not already been installed for Tiller, install one:

    ```bash

    $ kubectl apply -f install/kubernetes/helm/helm-service-account.yaml

    ```

1. Install Tiller on your cluster with the service account:

    ```bash

    $ helm init --service-account tiller

    ```

1. Set and create the namespace where Istio was installed:

    ```bash

    $ NAMESPACE=istio-system

    $ kubectl create ns $NAMESPACE

    ```

1. If you are enabling `kiali`, you need to create the secret that contains the username and passphrase for `kiali` dashboard:

    ```bash

    $ echo -n 'admin' | base64

    YWRtaW4=

    $ echo -n '1f2d1e2e67df' | base64

    MWYyZDFlMmU2N2Rm

    $ cat <<EOF | kubectl apply -f -

    apiVersion: v1

    kind: Secret

    metadata:

      name: kiali

      namespace: $NAMESPACE

      labels:

        app: kiali

    type: Opaque

    data:

      username: YWRtaW4=

      passphrase: MWYyZDFlMmU2N2Rm

    EOF

    ```

1. If you are using security mode for Grafana, create the secret first as follows:

    - Encode username, you can change the username to the name as you want:

        ```bash

        $ echo -n 'admin' | base64

        YWRtaW4=

        ```

    - Encode passphrase, you can change the passphrase to the passphrase as you want:

        ```bash

        $ echo -n '1f2d1e2e67df' | base64

        MWYyZDFlMmU2N2Rm

        ```

    - Create secret for Grafana:

        ```bash

        $ cat <<EOF | kubectl apply -f -

        apiVersion: v1

        kind: Secret

        metadata:

          name: grafana

          namespace: $NAMESPACE

          labels:

            app: grafana

        type: Opaque

        data:

          username: YWRtaW4=

          passphrase: MWYyZDFlMmU2N2Rm

        EOF

        ```

1. To install the chart with the release name `istio` in namespace $NAMESPACE you defined above:

    - With [automatic sidecar injection](https://istio.io/docs/setup/kubernetes/sidecar-injection/#automatic-sidecar-injection) (requires Kubernetes >=1.9.0):

        ```bash

        $ helm install istio --name istio --namespace $NAMESPACE

        ```

    - Without the sidecar injection webhook:

        ```bash

        $ helm install istio --name istio --namespace $NAMESPACE --set sidecarInjectorWebhook.enabled=false

        ```

## Configuration

The Helm chart ships with reasonable defaults.  There may be circumstances in which defaults require overrides.

To override Helm values, use `--set key=value` argument during the `helm install` command.  Multiple `--set` operations may be used in the same Helm operation.

Helm charts expose configuration options which are currently in alpha.  The currently exposed options can be found [here](https://istio.io/docs/reference/config/installation-options/).

## Uninstalling the Chart

To uninstall/delete the `istio` release but continue to track the release:

```bash

$ helm delete istio

```

To uninstall/delete the `istio` release completely and make its name free for later use:

```bash

$ helm delete --purge istio

```