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Sincronizado desde repo IDP templates/ (CHART-SYNC-IDP-GITEA-DRIFT). Reemplaza el Ingress (rke2-ingress-nginx, EOL marzo 2026) por HTTPRoute (Gateway API) adjunto al Gateway tenant-gateway que crea stack-deployer (§3c). NetworkPolicy egress kube-system -> traefik-system. FQDN DOT (ADR-082) preservado. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
104 lines
3.9 KiB
YAML
104 lines
3.9 KiB
YAML
{{- if .Values.networkPolicy.enabled }}
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# NetworkPolicy mínima del shape: bajo deny-all-default del namespace, permite:
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# - Ingress: Traefik Proxy (web-backend público) + Prometheus (scrape de /metrics).
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# - Egress: DNS, Harbor (pull en startup), ns-addons del tenant (BD).
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# Nota: el cluster tenant usa Traefik Proxy + Gateway API en ns traefik-system
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# (ADR-060 Fase 1; reemplaza rke2-ingress-nginx que corría en kube-system).
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# Materializada como Helm hook (pre-install/pre-upgrade, weight "-8") para que
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# este disponible ANTES de que el Job Alembic (hook weight 0) ejecute su
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# InitContainer wait-for-secret — el InitContainer hace REST API call al
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# kube-apiserver y necesita egress DNS + API permitidos. Sin esto, el chicken-
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# and-egg con default-deny del namespace `apps` (entregado por stack-deployer)
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# bloquea el hook → curl falla DNS → Job timeout → helm install fail → la
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# NetworkPolicy nunca se aplica en la fase principal.
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#
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# Weight ordering (mas chico = antes):
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# -8 NetworkPolicy -> -7 Role/RoleBinding -> -5 SA -> 0 Job Alembic
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# (El AddonClaim vive FUERA del chart desde 0.3.0 — ADR-066. Lo aplica el
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# workflow del tenant ANTES de `helm upgrade --install`, asi que en la fase
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# de hooks ya existe y addon-provisioner ya esta reconciliando.)
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#
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# delete-policy: before-hook-creation (NO hook-succeeded): la fase principal del
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# Deployment necesita la NetworkPolicy viva en runtime; solo se borra/recrea al
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# inicio del proximo hook (idempotente entre upgrades).
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apiVersion: networking.k8s.io/v1
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kind: NetworkPolicy
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metadata:
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name: {{ .Release.Name }}
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labels:
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{{- include "app.labels" . | nindent 4 }}
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annotations:
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"helm.sh/hook": pre-install,pre-upgrade
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"helm.sh/hook-weight": "-8"
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"helm.sh/hook-delete-policy": before-hook-creation
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spec:
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podSelector:
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matchLabels:
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{{- include "app.selectorLabels" . | nindent 6 }}
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policyTypes: [Ingress, Egress]
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ingress:
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# Tráfico HTTP desde Traefik Proxy (Gateway API, ADR-060 Fase 1).
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# El controller corre en ns traefik-system (lo instala el bundle traefik-bootstrap).
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- from:
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- namespaceSelector:
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matchLabels:
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kubernetes.io/metadata.name: {{ .Values.networkPolicy.ingressControllerNamespace | default "traefik-system" }}
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ports:
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- protocol: TCP
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port: 8000
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# Scrape de métricas Prometheus
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- from:
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- namespaceSelector:
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matchLabels:
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kubernetes.io/metadata.name: cattle-monitoring-system
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podSelector:
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matchLabels:
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app.kubernetes.io/name: prometheus
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ports:
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- protocol: TCP
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port: 8000
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egress:
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# DNS
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- to:
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- namespaceSelector:
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matchLabels:
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kubernetes.io/metadata.name: kube-system
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ports:
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- protocol: UDP
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port: 53
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- protocol: TCP
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port: 53
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# ns-addons del tenant: MariaDB primary + pool
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- to:
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- namespaceSelector:
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matchLabels:
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kubernetes.io/metadata.name: {{ .Values.networkPolicy.addonsNamespace }}
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ports:
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- protocol: TCP
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port: 3306
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- protocol: TCP
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port: 6033
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# kube-apiserver + Harbor pull (registro externo).
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#
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# NOTA RKE2/DO: el Service `kubernetes` (ns default) tiene endpoint hacia
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# la IP PUBLICA del Droplet en port 6443 (no ClusterIP intra-cluster). Por
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# eso namespaceSelector "default" NO funciona — kube-proxy DNATea
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# 10.43.0.1:443 a la public IP:6443 del nodo. Calico aplica la regla NP
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# contra la IP de destino post-DNAT, asi que requiere ipBlock que cubra
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# la public IP.
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#
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# ipBlock 0.0.0.0/0 cubre ambos: apiserver public IP:6443 + Harbor:443.
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# El InitContainer wait-for-secret del Job Alembic necesita esto para
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# REST API call.
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- to:
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- ipBlock:
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cidr: 0.0.0.0/0
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ports:
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- protocol: TCP
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port: 443
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- protocol: TCP
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port: 6443
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{{- end }}
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