One chart whose values.yaml is a near-literal transcription of infra/docker-compose.yml, rendered by three generic templates (Deployment, Job, Service) over a `workloads` map — so the two stacks can be diffed by eye instead of by archaeology, and adding a service is a values edit. Platform-forced deviations, each commented where it appears: - `args`, never `command`: compose replaces the image CMD, Kubernetes replaces the ENTRYPOINT. The chart fails to render on `command`, because the symptom (postgres refusing to run as root, Keycloak exec-ing `start-dev`) is nothing like the cause. - The four Django services apply their own setup_configuration in the web pod rather than in a separate init Job: both scripts migrate, and without compose's depends_on they race the same database. - OpenZaak and Objecten are addressed by service FQDN, because Django rejects a single-label host in a URL — the reason compose passes container IPs around. - NodePorts, no ingress; databases are emptyDir until persistence.storageClass is set, so the stack comes up on a cluster with no CSI driver. The upstream config inputs stay in the repo and become ConfigMaps via infra/helm/seed-configmaps.sh — the Kubernetes sibling of infra/seed-config.sh — so the compose stack and the chart cannot fork. infra/helm/registry.yaml runs an in-cluster registry because Talos cannot side-load an image and a laptop-side one needs a root-level firewall change.
36 lines
1.2 KiB
YAML
36 lines
1.2 KiB
YAML
{{- /*
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Service names are the compose service names, verbatim: the portals' Caddy
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proxies to http://bff:8080 and the upstream setup_configuration files name
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http://openzaak:8000 / http://nrc-web:8000, so in-cluster DNS has to answer to
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exactly those names. Do not rename a workload without checking both.
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.Values.nodePorts is the single place a port is published outside the cluster;
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a workload listed there gets a NodePort on its first (only) port.
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*/ -}}
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{{- range $name, $w := .Values.workloads }}
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{{- if and (ne $w.enabled false) $w.ports }}
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{{- $nodePort := index $.Values.nodePorts $name }}
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---
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apiVersion: v1
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kind: Service
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metadata:
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name: {{ $name }}
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labels:
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{{- include "big.labels" (dict "root" $ "name" $name) | nindent 4 }}
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spec:
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type: {{ if $nodePort }}NodePort{{ else }}ClusterIP{{ end }}
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selector:
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app.kubernetes.io/name: {{ $name }}
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app.kubernetes.io/instance: {{ $.Release.Name }}
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ports:
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{{- range $i, $p := $w.ports }}
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- name: {{ $p.name }}
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port: {{ $p.port }}
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targetPort: {{ $p.targetPort | default $p.port }}
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{{- if and $nodePort (eq $i 0) }}
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nodePort: {{ $nodePort }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{- end }}
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