configmap not found

config-map (created outside of flux right after k3s cluster creation)

```bash
# k get -n flux-system cm cluster-bootstrap-conf -o yaml
apiVersion: v1
data:
  DOMAIN_NAME: k3s.example.com
  SOMETHING: unrelated
kind: ConfigMap
metadata:
  annotations:
    kubectl.kubernetes.io/last-applied-configuration: |
      {"apiVersion":"v1","data":{"DOMAIN_NAME":"k3s.example.com","SOMETHING":"unrelated"},"kind":"ConfigMap","metadata":{"annotations":{},"name":"cluster-bootstrap-conf","namespace":"flux-system"}}
  creationTimestamp: "2023-01-25T12:58:20Z"
  name: cluster-bootstrap-conf
  namespace: flux-system
  resourceVersion: "829"
  uid: ed3e6e91-b7e4-491d-bcce-9a9cdf777aef
  ```

directory structure

.
├── components
│   └── patch-ingress
│       ├── kustomization.yaml
│       └── replace
│           └── request-dns-record.yaml
└── infrastructure
    └── networking
        ├── ...
        └── traefik
            ├── app
            │   ├── ...
            │   └── ...
            ├── config
            │   ├── dashboard-ingress.yaml
            │   ├── ...
            │   └── kustomization.yaml
            └── traefik.yaml

patch-ingress-kustomization.yaml

# components/patch-ingress/kustomization.yaml
---
apiVersion: kustomize.config.k8s.io/v1alpha1
kind: Component

replacements:
- path: replace/request-dns-record.yaml

patch-ingress-replace-request-dns-record.yaml

# components/patch-ingress/replace/request-dns-record.yaml
---
source:
  kind: ConfigMap
  namespace: flux-system
  name: cluster-bootstrap-conf
  fieldPath: data.DOMAIN_NAME
targets:
  - select:
      kind: Ingress
    options:
      delimiter: "."
      index: 1
    fieldPaths:
      - metadata.annotations.[external-dns.alpha.kubernetes.io/hostname]

traefik-config-dashboard-ingress.yaml

# infrastructure/networking/traefik/config/dashboard-ingress.yaml
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: traefik-dashboard-https
  namespace: traefik
  annotations:
    external-dns.alpha.kubernetes.io/hostname: traefik.placeholder-domain
spec:
  tls: []
  rules:
    - host: traefik.placeholder-domain
      http:
        paths:
          - path: /dashboard
            pathType: Prefix
            backend:
              service:
                name: traefik-dashboard
                port:
                  number: 9000
          - path: /api
            pathType: Prefix
            backend:
              service:
                name: traefik-dashboard
                port:
                  number: 9000

traefik-config-kustomization.yaml

# infrastructure/networking/traefik/config/kustomization.yaml
apiVersion: kustomize.config.k8s.io/v1beta1
kind: Kustomization

resources:
- ...
- dashboard-service.yaml
- ...

traefik-traefik.yaml

# infrastructure/networking/traefik/traefik.yaml
---
apiVersion: kustomize.toolkit.fluxcd.io/v1beta2
kind: Kustomization
metadata:
  name: traefik-app
  namespace: flux-system
spec:
  interval: 30m0s
  path: ./kubernetes/infrastructure/networking/traefik/app
  prune: true
  sourceRef:
    kind: GitRepository
    name: flux-system
    namespace: flux-system
  timeout: 2m0s
  wait: true
---
apiVersion: kustomize.toolkit.fluxcd.io/v1beta2
kind: Kustomization
metadata:
  name: traefik-config
  namespace: flux-system
spec:
  dependsOn:
  - name: traefik-app
  interval: 30m0s
  path: ./kubernetes/infrastructure/networking/traefik/config
  prune: true
  sourceRef:
    kind: GitRepository
    name: flux-system
    namespace: flux-system
  timeout: 2m0s
  wait: true
  components:
  - ../../../../components/patch-ingress