Michal Bielicki cypromis

## rancher-ha-cert-update.md

      
        
          
            
              
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                cypromis
                / rancher-ha-cert-update.md
            
            
              Created
              April 21, 2021 16:39
                — forked from janeczku/rancher-ha-cert-update.md
            
              
                rancher-ha-cert-update.md
              
          
        
      
        
  
      
    Follow these steps to update the SSL certificate of the ingress in a Rancher High Availability installation or switch from the default self-signed to a custom certificate:

Create or update the tls-rancher-ingress k8s secret resource with the new certificate and private key
Create or update the tls-ca k8s secret resource with the root CA certificate (only required when using a private CA)
Update Rancher installation using Helm CLI
Reconfigure Rancher Agents to trust the new CA certificate

Detailed steps

1. Create/Update the certificate secret resource