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Version: 3.1

Certificates as Kubernetes Secrets in OCP GCP

Sometimes you need to store an SSL certificate as a Kubernetes secret. This document walks through an example of how to secure a third-party S3-compatible objectstore for use with Portworx.

Create the secret​

  1. Copy your certificate to the location where the oc is configured for your cluster. Copy the public.crt file to the /opt/certs folder.

  2. Create the secret:

    oc -n kube-system create secret generic px-s3-certs --from-file=/opt/certs/

  3. Confirm that the secret was created correctly:

    oc -n kube-system describe secret px-s3-certs

Provide the secret to Portworx​

Based on your Portworx installation type, provide the secret to Portworx by performing the steps in one of the following sections.

Portworx Operator​

Update the Portworx StorageCluster to mount the secret and the environment variable:

  oc -n kube-system edit storagecluster portworx

  spec:
    volumes:
    - name: objectstore-cert
      mountPath: /etc/pwx/objectstore-cert
      secret:
        secretName: px-s3-certs
        items:
        - key: public.crt
          path: public.crt
    env:
    - name: "AWS_CA_BUNDLE"
      value: "/etc/pwx/objectstore-cert/public.crt"

After saving the modified StorageCluster, Portworx will restart in a rolling update.