Add Kustomization that requires source filtering

[allenporter]

Issue #483

[allenporter]

Without --sources

# flux-local get ks --path tests/testdata/cluster7/ 
NAME            PATH                                     
apps            tests/testdata/cluster7/flux/apps        
charts          tests/testdata/cluster7/flux/charts      
crds            tests/testdata/cluster7/flux/crds        
crds-traefik    tests/testdata/cluster7                  
flux-system     tests/testdata/cluster7/clusters/home    

With --sources

# flux-local get ks --path tests/testdata/cluster7/ --sources flux-system
NAME           PATH                                     
apps           tests/testdata/cluster7/flux/apps        
charts         tests/testdata/cluster7/flux/charts      
crds           tests/testdata/cluster7/flux/crds        
flux-system    tests/testdata/cluster7/clusters/home    

[github-actions]

--- tests/testdata/cluster7/clusters/home Kustomization: flux-system/flux-system Kustomization: flux-system/crds

+++ tests/testdata/cluster7/clusters/home Kustomization: flux-system/flux-system Kustomization: flux-system/crds

@@ -0,0 +1,17 @@

+---
+apiVersion: kustomize.toolkit.fluxcd.io/v1
+kind: Kustomization
+metadata:
+  labels:
+    kustomize.toolkit.fluxcd.io/name: flux-system
+    kustomize.toolkit.fluxcd.io/namespace: flux-system
+  name: crds
+  namespace: flux-system
+spec:
+  interval: 10m0s
+  path: /tests/testdata/cluster7/flux/crds
+  prune: true
+  sourceRef:
+    kind: GitRepository
+    name: flux-system
+
--- tests/testdata/cluster7/flux/crds Kustomization: flux-system/crds GitRepository: flux-system/traefik-source

+++ tests/testdata/cluster7/flux/crds Kustomization: flux-system/crds GitRepository: flux-system/traefik-source

@@ -0,0 +1,20 @@

+---
+apiVersion: source.toolkit.fluxcd.io/v1
+kind: GitRepository
+metadata:
+  labels:
+    kustomize.toolkit.fluxcd.io/name: crds
+    kustomize.toolkit.fluxcd.io/namespace: flux-system
+  name: traefik-source
+  namespace: flux-system
+spec:
+  ignore: |
+    # exclude all
+    /*
+    # include crd directory
+    !/traefik/crds
+  interval: 12h
+  ref:
+    tag: v26.0.0
+  url: https://github.com/traefik/traefik-helm-chart.git
+
--- tests/testdata/cluster7/flux/crds Kustomization: flux-system/crds Kustomization: flux-system/crds-traefik

+++ tests/testdata/cluster7/flux/crds Kustomization: flux-system/crds Kustomization: flux-system/crds-traefik

@@ -0,0 +1,17 @@

+---
+apiVersion: kustomize.toolkit.fluxcd.io/v1
+kind: Kustomization
+metadata:
+  labels:
+    kustomize.toolkit.fluxcd.io/name: crds
+    kustomize.toolkit.fluxcd.io/namespace: flux-system
+  name: crds-traefik
+  namespace: flux-system
+spec:
+  interval: 30m
+  prune: false
+  sourceRef:
+    kind: GitRepository
+    name: traefik-source
+  wait: true
+