Trust openshift signer

[cniackz]

Objective:

To trust OpenShift Signer and fix #1412

Explanation:

Currently, we are not trusting the signer and we can't initialize the tenant due to:

Failed to get cluster health: Get "https://minio.tenant-lite.svc.cluster.local/minio/health/cluster": x509: certificate signed by unknown authority

The solution is simple, Daniel found where to get the certificates with this line:

oc get secret csr-signer -n openshift-kube-controller-manager-operator -o template='{{ index .data "tls.crt"}}' | base64 -d

All we need to do is to add/implement that line in the code to append the certs and trust signer.

Testing:

• It was tested in OpenShift Cluster. If you want to test this change you will need to download the crc solution from RedHat and compile, get the docker pushed and then you will see this working on this branch.

[cniackz]

test-kes will be fixed at #1457