flux.yaml

---
# yaml-language-server: $schema=https://kubernetes-schemas.devbu.io/source.toolkit.fluxcd.io/ocirepository_v1beta2.json
apiVersion: source.toolkit.fluxcd.io/v1beta2
kind: OCIRepository
metadata:
  name: flux-manifests
  namespace: flux-system
spec:
  interval: 10m
  url: oci://ghcr.io/fluxcd/flux-manifests
  ref:
    tag: v2.0.0-rc.1
---
# yaml-language-server: $schema=https://kubernetes-schemas.devbu.io/kustomize.toolkit.fluxcd.io/kustomization_v1.json
apiVersion: kustomize.toolkit.fluxcd.io/v1
kind: Kustomization
metadata:
  name: flux
  namespace: flux-system
spec:
  interval: 10m
  path: ./
  prune: true
  wait: true
  sourceRef:
    kind: OCIRepository
    name: flux-manifests
  patches:
    # Remove the network policies that does not work with k3s
    - patch: |
        $patch: delete
        apiVersion: networking.k8s.io/v1
        kind: NetworkPolicy
        metadata:
          name: not-used
      target:
        group: networking.k8s.io
        kind: NetworkPolicy
    # Increase the number of reconciliations that can be performed in parallel and bump the resources limits
    # https://fluxcd.io/flux/cheatsheets/bootstrap/#increase-the-number-of-workers
    - patch: |
        - op: add
          path: /spec/template/spec/containers/0/args/-
          value: --concurrent=8
        - op: add
          path: /spec/template/spec/containers/0/args/-
          value: --kube-api-qps=500
        - op: add
          path: /spec/template/spec/containers/0/args/-
          value: --kube-api-burst=1000
        - op: add
          path: /spec/template/spec/containers/0/args/-
          value: --requeue-dependency=5s
      target:
        kind: Deployment
        name: (kustomize-controller|helm-controller|source-controller)
    - patch: |
        apiVersion: apps/v1
        kind: Deployment
        metadata:
          name: not-used
        spec:
          template:
            spec:
              containers:
                - name: manager
                  resources:
                    limits:
                      cpu: 2000m
                      memory: 2Gi
      target:
        kind: Deployment
        name: (kustomize-controller|helm-controller|source-controller)
    # Enable drift detection for HelmReleases and set the log level to debug
    # https://fluxcd.io/flux/components/helm/helmreleases/#drift-detection
    - patch: |
        - op: add
          path: /spec/template/spec/containers/0/args/-
          value: --feature-gates=DetectDrift=true,CorrectDrift=false
        - op: add
          path: /spec/template/spec/containers/0/args/-
          value: --log-level=debug
      target:
        kind: Deployment
        name: helm-controller
    # Enable Helm near OOM detection
    # https://fluxcd.io/flux/cheatsheets/bootstrap/#enable-helm-near-oom-detection
    - patch: |
        - op: add
          path: /spec/template/spec/containers/0/args/-
          value: --feature-gates=OOMWatch=true
        - op: add
          path: /spec/template/spec/containers/0/args/-
          value: --oom-watch-memory-threshold=95
        - op: add
          path: /spec/template/spec/containers/0/args/-
          value: --oom-watch-interval=500ms
      target:
        kind: Deployment
        name: helm-controller
    # Enable notifications for 3rd party Flux controllers such as tf-controller
    # https://fluxcd.io/flux/cheatsheets/bootstrap/#enable-notifications-for-third-party-controllers
    - patch: |
        - op: add
          path: /spec/versions/1/schema/openAPIV3Schema/properties/spec/properties/eventSources/items/properties/kind/enum/-
          value: Terraform
      target:
        kind: CustomResourceDefinition
        name: alerts.notification.toolkit.fluxcd.io
    - patch: |
        - op: add
          path: /spec/versions/0/schema/openAPIV3Schema/properties/spec/properties/resources/items/properties/kind/enum/-
          value: Terraform
      target:
        kind: CustomResourceDefinition
        name: receivers.notification.toolkit.fluxcd.io
    - patch: |
        - op: add
          path: /rules/-
          value:
            apiGroups: ["infra.contrib.fluxcd.io"]
            resources: ["*"]
            verbs: ["*"]
      target:
        kind: ClusterRole
        name: crd-controller-flux-system