You must have ran through the Setup Instructions within the README.
- Add a secret to vault.
oc exec -it vault-0 -- vault kv put secret/foo bar=<secret here>
- Add an Openshift secret that contains the token that will authenticate with Vault.
oc create secret generic vault-secret --from-literal=token=<token here>
- Create External Secrets resources.
oc create -f .
- Verify Openshift secret is created with value input in vault.
oc get secret example-value -o jsonpath={'.data.password'} | base64 -d