Add Option to Generate Secrets Idempotently#331
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In order to avoid that secrets will be re-generated whenever a bootstrapping container on the Kubernetes backend runs, PREvant mounts the previously generated secrets into the next run of the bootstrapping. That means bootstrapping container may lookup if files exists under /run/secrets/<secret-name>/<secret-key> and then reuse this value in order to avoid too much randomness when generating passwords. For example, if a bootstrapping container generates a OpenID client secret, the second time the bootstrapping runs, it can re-use the already existing secret.
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In order to avoid that secrets will be re-generated whenever a bootstrapping container on the Kubernetes backend runs, PREvant mounts the previously generated secrets into the next run of the bootstrapping. That means bootstrapping container may lookup if files exists under /run/secrets// and then reuse this value in order to avoid too much randomness when generating passwords.
For example, if a bootstrapping container generates a OpenID client secret, the second time the bootstrapping runs, it can re-use the already existing secret.
Fixes #328