What is Rancher
An enterprise platform for managing Kubernetes Everywhere Rancher is a platform built to address the needs of the DevOps teams deploying applications with Kubernetes, and the IT staff responsible for delivering an enterprise-critical service.
The following placeholders will be used:
rancher.companyis the FQDN of the Rancher install.
authentik.companyis the FQDN of the authentik install.
Under Property Mappings, create a SAML Property Mapping. Give it a name like "SAML Rancher User ID". Set the SAML name to
rancherUidUsername and the expression to the following
Create an application in authentik. Set the Launch URL to
https://rancher.company, as Rancher does not currently support IdP-initiated logins.
Create a SAML provider with the following parameters:
- ACS URL:
- Service Provider Binding:
- Property mappings: Select all default mappings and the mapping you've created above.
- Signing Certificate: Select the authentik self-signed certificate.
You can of course use a custom signing certificate, and adjust durations.
In Rancher, navigate to Global -> Security -> Authentication, and select ADFS.
Fill in the fields
- Display Name Field:
- User Name Field:
- UID Field:
- Groups Field:
For the private key and certificate, you can either generate a new pair (in authentik, navigate to Identity & Cryptography -> Certificates and select Generate), or use an existing pair.
Copy the metadata from authentik, and paste it in the metadata field.
Click on save to test the authentication.