Convert the Redpanda chart into go code

[chrisseto]

Tasks

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1. pkg/gotohelm: implement go to helm transpiler #1063
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2. redpanda: Convert certs.yaml to go code #1111
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3. Generate all of values.yaml, values.schema.json, and values.go from a single source of truth #1081
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4. redpanda: Convert cert-issuers.yaml to go code #1222
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5. redpanda: Convert rbac.yaml to go code #1213
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6. redpanda: Convert _configmap.tpl to go code #1202
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7. redpanda: Convert _example-commands.tpl to go code #1224
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8. redpanda: Convert _helpers.tpl to go code #1223
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9. redpanda: Convert configmap.yaml to go code #1225
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10. redpanda: Convert _job.tpl to go code #1226
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11. redpanda: Convert _statefulset.tpl to go code #1227
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12. redpanda: Convert _tplvalues.tpl to go code #1228
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13. redpanda: Convert NOTES.txt to go code #1229
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14. redpanda: Convert poddisruptionbudget.yaml to go code #1220
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15. redpanda: Convert post-install-upgrade-job.yaml to go code #1219
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16. redpanda: Convert post-upgrade.yaml to go code #1218
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17. redpanda: Convert secrets.yaml to go code #1217
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18. redpanda: Convert service.internal.yaml to go code #1216
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19. redpanda: Convert service.loadbalancer.yaml to go code #1215
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20. redpanda: Convert serviceaccount.yaml to go code #1214
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21. redpanda: Convert servicemonitor.yaml to go code #1132
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22. redpanda: Convert services.nodeport.yaml to go code #1168
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23. redpanda: Convert statefulset.yaml to go code #1221
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24. redpanda: Convert subcharting to go code

JIRA Link: K8S-118

JIRA Link: K8S-304

[chrisseto]

I've converted a subset of the _helpers.tpl file. We might want to save that one for last?

[chrisseto]

Some other notes:

To the best of our ability, we want to keep inputs (values.yaml) and the outputs stable or at least backwards compatible. @alejandroEsc has pointed out that there are places where this will be impossible due to existing bugs. In that case, make sure to add regression tests.

I also accidentally duplicated the values.go file from the operator. We'll need to consolidate those eventually but we can probably wait until we finish the conversion and move the go definitions into the operator.