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Chapter 13. Adding custom SSL/TLS certificates when Red Hat Quay is deployed on Kubernetes

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When deployed on Kubernetes, Red Hat Quay mounts in a secret as a volume to store config assets. Currently, this breaks the upload certificate function of the superuser panel.

As a temporary workaround, base64 encoded certificates can be added to the secret after Red Hat Quay has been deployed.

Use the following procedure to add custom SSL/TLS certificates when Red Hat Quay is deployed on Kubernetes.

Prerequisites

  • Red Hat Quay has been deployed.
  • You have a custom ca.crt file.

Procedure

  1. Base64 encode the contents of an SSL/TLS certificate by entering the following command:

    $ cat ca.crt | base64 -w 0

    Example output

    ...c1psWGpqeGlPQmNEWkJPMjJ5d0pDemVnR2QNCnRsbW9JdEF4YnFSdVd3PT0KLS0tLS1FTkQgQ0VSVElGSUNBVEUtLS0tLQo=

  2. Enter the following kubectl command to edit the quay-enterprise-config-secret file:

    $ kubectl --namespace quay-enterprise edit secret/quay-enterprise-config-secret
  3. Add an entry for the certificate and paste the full base64 encoded stringer under the entry. For example:

      custom-cert.crt:
    c1psWGpqeGlPQmNEWkJPMjJ5d0pDemVnR2QNCnRsbW9JdEF4YnFSdVd3PT0KLS0tLS1FTkQgQ0VSVElGSUNBVEUtLS0tLQo=
  4. Use the kubectl delete command to remove all Red Hat Quay pods. For example:

    $ kubectl delete pod quay-operator.v3.7.1-6f9d859bd-p5ftc quayregistry-clair-postgres-7487f5bd86-xnxpr quayregistry-quay-app-upgrade-xq2v6  quayregistry-quay-database-859d5445ff-cqthr quayregistry-quay-redis-84f888776f-hhgms

    Afterwards, the Red Hat Quay deployment automatically schedules replace pods with the new certificate data.

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