112 lines
4.5 KiB
Markdown
112 lines
4.5 KiB
Markdown
---
|
|
title: Configure the Pinniped Supervisor to use Okta as an OIDC Provider
|
|
description: Set up the Pinniped Supervisor to use Okta login.
|
|
cascade:
|
|
layout: docs
|
|
menu:
|
|
docs:
|
|
name: Configure Supervisor With Okta OIDC
|
|
weight: 80
|
|
parent: howtos
|
|
---
|
|
The Supervisor is an [OpenID Connect (OIDC)](https://openid.net/connect/) issuer that supports connecting a single
|
|
"upstream" identity provider to many "downstream" cluster clients.
|
|
|
|
This guide shows you how to configure the Supervisor so that users can authenticate to their Kubernetes
|
|
cluster using their Okta credentials.
|
|
|
|
## Prerequisites
|
|
|
|
This how-to guide assumes that you have already [installed the Pinniped Supervisor]({{< ref "install-supervisor" >}}) with working ingress,
|
|
and that you have [configured a FederationDomain to issue tokens for your downstream clusters]({{< ref "configure-supervisor" >}}).
|
|
|
|
## Create an Okta Application
|
|
|
|
Follow the instructions for [setting up an app using authcode flow](https://developer.okta.com/docs/guides/implement-auth-code/setup-app/) and create an app.
|
|
Optionally follow the instructions for [customizing tokens returned from Okta with a groups claim](https://developer.okta.com/docs/guides/customize-tokens-groups-claim/overview/)
|
|
if you want to pass users' Okta group information through to your Kubernetes clusters.
|
|
|
|
For example, to create an app:
|
|
|
|
1. In the Okta Admin Console, navigate to _Applications_ > _Applications_.
|
|
1. Create a new app:
|
|
1. Click `Create App Integration`.
|
|
1. For `Sign-on method`, select `OIDC`.
|
|
1. For `Application type`, app `Web Application`, then click next.
|
|
1. Enter a name for your app, such as "My Kubernetes Clusters".
|
|
1. Enter the sign-in redirect URI. This is the `spec.issuer` you configured in your `FederationDomain` appended with `/callback`.
|
|
1. Optionally select `Limit access to selected groups` to restrict which Okta users can log in to Kubernetes using this integration.
|
|
1. Save the app and make note of the _Client ID_ and _Client secret_.
|
|
1. Navigate to the _Sign On_ tab > _OpenID Connect ID Token_ and click `Edit`. Fill in the Groups claim filter.
|
|
For example, for all groups to be present under the claim name `groups`, fill in "groups" in the first box, then select "Matches regex" and ".*".
|
|
|
|
## Configure the Supervisor
|
|
|
|
Create an [OIDCIdentityProvider](https://github.com/vmware-tanzu/pinniped/blob/main/generated/1.20/README.adoc#oidcidentityprovider) in the same namespace as the Supervisor.
|
|
|
|
For example, this OIDCIdentityProvider and corresponding Secret use Okta's `email` claim as the Kubernetes username:
|
|
|
|
```yaml
|
|
apiVersion: idp.supervisor.pinniped.dev/v1alpha1
|
|
kind: OIDCIdentityProvider
|
|
metadata:
|
|
namespace: pinniped-supervisor
|
|
name: okta
|
|
spec:
|
|
|
|
# Specify the upstream issuer URL (no trailing slash).
|
|
issuer: https://my-company.okta.com
|
|
|
|
# Request any scopes other than "openid" for claims besides
|
|
# the default claims in your token. The "openid" scope is always
|
|
# included.
|
|
#
|
|
# To learn more about how to customize the claims returned, see here:
|
|
# https://developer.okta.com/docs/guides/customize-tokens-returned-from-okta/overview/
|
|
authorizationConfig:
|
|
additionalScopes: [groups, email]
|
|
|
|
# Specify how Okta claims are mapped to Kubernetes identities.
|
|
claims:
|
|
|
|
# Specify the name of the claim in your Okta token that will be mapped
|
|
# to the "username" claim in downstream tokens minted by the Supervisor.
|
|
username: email
|
|
|
|
# Specify the name of the claim in Okta that represents the groups
|
|
# that the user belongs to. This matches what you specified above
|
|
# with the Groups claim filter.
|
|
groups: groups
|
|
|
|
# Specify the name of the Kubernetes Secret that contains your Okta
|
|
# application's client credentials (created below).
|
|
client:
|
|
secretName: okta-client-credentials
|
|
---
|
|
apiVersion: v1
|
|
kind: Secret
|
|
metadata:
|
|
namespace: pinniped-supervisor
|
|
name: okta-client-credentials
|
|
type: secrets.pinniped.dev/oidc-client
|
|
stringData:
|
|
|
|
# The "Client ID" that you got from Okta.
|
|
clientID: "<your-client-id>"
|
|
|
|
# The "Client secret" that you got from Okta.
|
|
clientSecret: "<your-client-secret>"
|
|
```
|
|
|
|
Once your OIDCIdentityProvider has been created, you can validate your configuration by running:
|
|
|
|
```shell
|
|
kubectl describe OIDCIdentityProvider -n pinniped-supervisor okta
|
|
```
|
|
|
|
Look at the `status` field. If it was configured correctly, you should see `phase: Ready`.
|
|
|
|
## Next steps
|
|
|
|
Now that you have configured the Supervisor to use Okta, you will want to [configure the Concierge to validate JWTs issued by the Supervisor]({{< ref "configure-concierge-supervisor-jwt" >}}).
|