---
apiVersion: helm.toolkit.fluxcd.io/v2beta2
kind: HelmRelease
metadata:
  name: ingress-nginx-external
spec:
  interval: 30m
  chart:
    spec:
      chart: ingress-nginx
      version: 4.10.0
      sourceRef:
        kind: HelmRepository
        name: ingress-nginx
        namespace: flux-system
  install:
    remediation:
      retries: 3
  upgrade:
    cleanupOnFail: true
    remediation:
      retries: 3
  dependsOn:
    - name: cloudflared
      namespace: network
  values:
    fullnameOverride: ingress-nginx-external
    controller:
      replicaCount: 1
      service:
        annotations:
          external-dns.alpha.kubernetes.io/hostname: "external.${SECRET_DOMAIN}"
          io.cilium/lb-ipam-ips: "#{ bootstrap_cloudflare.tunnel.ingress_vip }#"
        externalTrafficPolicy: Cluster
      ingressClassResource:
        name: external
        default: false
        controllerValue: k8s.io/external
      admissionWebhooks:
        objectSelector:
          matchExpressions:
            - key: ingress-class
              operator: In
              values: ["external"]
      config:
        client-body-buffer-size: 100M
        client-body-timeout: 120
        client-header-timeout: 120
        enable-brotli: "true"
        enable-real-ip: "true"
        hsts-max-age: 31449600
        keep-alive-requests: 10000
        keep-alive: 120
        log-format-escape-json: "true"
        log-format-upstream: >
          {"time": "$time_iso8601", "remote_addr": "$proxy_protocol_addr", "x_forwarded_for": "$proxy_add_x_forwarded_for",
          "request_id": "$req_id", "remote_user": "$remote_user", "bytes_sent": $bytes_sent, "request_time": $request_time,
          "status": $status, "vhost": "$host", "request_proto": "$server_protocol", "path": "$uri", "request_query": "$args",
          "request_length": $request_length, "duration": $request_time, "method": "$request_method", "http_referrer": "$http_referer",
          "http_user_agent": "$http_user_agent"}
        proxy-body-size: 0
        proxy-buffer-size: 16k
        ssl-protocols: TLSv1.3 TLSv1.2
      metrics:
        enabled: true
        serviceMonitor:
          enabled: true
          namespaceSelector:
            any: true
      extraArgs:
        #% if bootstrap_cloudflare.acme.production %#
        default-ssl-certificate: "network/${SECRET_DOMAIN/./-}-production-tls"
        #% else %#
        default-ssl-certificate: "network/${SECRET_DOMAIN/./-}-staging-tls"
        #% endif %#
      topologySpreadConstraints:
        - maxSkew: 1
          topologyKey: kubernetes.io/hostname
          whenUnsatisfiable: DoNotSchedule
          labelSelector:
            matchLabels:
              app.kubernetes.io/name: ingress-nginx
              app.kubernetes.io/instance: ingress-nginx-external
              app.kubernetes.io/component: controller
      resources:
        requests:
          cpu: 100m
        limits:
          memory: 500Mi
    defaultBackend:
      enabled: false