CCO-based workflow for OLM-managed Operators with GCP Workload Identity

# ...
      volumeMounts:

      - name: bound-sa-token
        mountPath: /var/run/secrets/openshift/serviceaccount
        readOnly: true
      volumes:
         # This service account token can be used to provide identity outside the cluster.
         - name: bound-sa-token
           projected:
             sources:
             - serviceAccountToken:
               path: token
               audience: openshift

# ...
install:
  spec:
    clusterPermissions:
    - rules:
      - apiGroups:
        - "cloudcredential.openshift.io"
        resources:
        - credentialsrequests
        verbs:
        - create
        - delete
        - get
        - list
        - patch
        - update
        - watch

// apply CredentialsRequest on install
   credReqTemplate.Spec.GCPProviderSpec.Audience = audience
   credReqTemplate.Spec.GCPProviderSpec.ServiceAccountEmail = serviceAccountEmail
   credReqTemplate.CloudTokenPath = gcpIdentityTokenFile


   c := mgr.GetClient()
   if err := c.Create(context.TODO(), credReq); err != nil {
       if !errors.IsAlreadyExists(err) {
           setupLog.Error(err, "unable to create CredRequest")
           os.Exit(1)
       }
   }

// WaitForSecret is a function that takes a Kubernetes client, a namespace, and a v1 "k8s.io/api/core/v1" name as arguments
// It waits until the secret object with the given name exists in the given namespace
// It returns the secret object or an error if the timeout is exceeded
func WaitForSecret(client kubernetes.Interface, namespace, name string) (*v1.Secret, error) {
  // set a timeout of 10 minutes
  timeout := time.After(10 * time.Minute) (1)

  // set a polling interval of 10 seconds
  ticker := time.NewTicker(10 * time.Second)

  // loop until the timeout or the secret is found
  for {
     select {
     case <-timeout:
        // timeout is exceeded, return an error
        return nil, fmt.Errorf("timed out waiting for secret %s in namespace %s", name, namespace)
// add to this error with a pointer to instructions for following a manual path to a Secret that will work
     case <-ticker.C:
        // polling interval is reached, try to get the secret
        secret, err := client.CoreV1().Secrets(namespace).Get(context.Background(), name, metav1.GetOptions{})
        if err != nil {
           if errors.IsNotFound(err) {
              // secret does not exist yet, continue waiting
              continue
           } else {
              // some other error occurred, return it
              return nil, err
           }
        } else {
           // secret is found, return it
           return secret, nil
        }
     }
  }
}