Adding templated creds to dbusers

[allanger]

It will close: #80

[allanger]

@mario-steinhoff-gcx
After this is merged and released, you should be able to add

apiVersion: "kinda.rocks/v1beta1"
kind: "DbUser"
metadata:
  name: ~sql_exporter_user~
spec:
  secretName: some-secret
  credentials:
    templates:
      - name: SQLEXPORTER_TARGET_DSN
        template: "{{ .Protocol }}://{{ .Username}}:{{ .Password }}@{{ .Hostname }}:{{ .Port }}/{{ .Database }}?sslmode={{ .ConfigMap \"SSL_MODE\" }}"
        secret: true

To the sql exporter users, then db-operator will add a connection string to the secret, and then you should be able to get them in sql_exporter (if you're on 0.2.4 already) with values like that:

env:
   SQLEXPORTER_TARGET_DSN:
     from:
       kind: Secret
       name: some-secret
       key: SQLEXPORTER_TARGET_DSN:

I'll also ping you in the issue, once it's released

[mario-steinhoff-gcx]

Awesome, looking forward to the release :)