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chore: added tests, move logic to separate package
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| Original file line number | Diff line number | Diff line change |
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@@ -21,7 +21,7 @@ fmt: | |
| go fmt ./... | ||
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| test: | ||
| go test ./... | ||
| go test -v ./... | ||
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| vet: | ||
| go vet ./... | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,132 @@ | ||
| package collector | ||
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| import ( | ||
| "context" | ||
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| "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured" | ||
| ) | ||
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| const ( | ||
| FLUX_HELM_NAME_LABEL = "helm.toolkit.fluxcd.io/name" | ||
| FLUX_HELM_NAMESPACE_LABEL = "helm.toolkit.fluxcd.io/namespace" | ||
| FLUX_KUSTOMIZE_NAME_LABEL = "kustomize.toolkit.fluxcd.io/name" | ||
| FLUX_KUSTOMIZE_NAMESPACE_LABEL = "kustomize.toolkit.fluxcd.io/namespace" | ||
| ) | ||
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| type FilterFunc func(res unstructured.Unstructured, logger logger) bool | ||
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| type Interface interface { | ||
| Discover(ctx context.Context, list *unstructured.UnstructuredList, ch chan unstructured.Unstructured) error | ||
| } | ||
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| type logger interface { | ||
| Debugf(format string, a ...interface{}) | ||
| } | ||
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| type discovery struct { | ||
| filters []FilterFunc | ||
| logger logger | ||
| } | ||
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| func NewDiscovery(logger logger, filters ...FilterFunc) Interface { | ||
| return &discovery{ | ||
| logger: logger, | ||
| filters: filters, | ||
| } | ||
| } | ||
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| func (d *discovery) Discover(ctx context.Context, list *unstructured.UnstructuredList, ch chan unstructured.Unstructured) error { | ||
| RESOURCES: | ||
| for _, res := range list.Items { | ||
| d.logger.Debugf("validate resource %s %s %s", res.GetName(), res.GetNamespace(), res.GetAPIVersion()) | ||
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| for _, filter := range d.filters { | ||
| if filter(res, d.logger) { | ||
| continue RESOURCES | ||
| } | ||
| } | ||
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| ch <- res | ||
| } | ||
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| return nil | ||
| } | ||
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| func IgnoreOwnedResource() FilterFunc { | ||
| return func(res unstructured.Unstructured, logger logger) bool { | ||
| if refs := res.GetOwnerReferences(); len(refs) > 0 { | ||
| logger.Debugf("ignore resource owned by parent %s %s %s", res.GetName(), res.GetNamespace(), res.GetAPIVersion()) | ||
| return true | ||
| } | ||
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| return false | ||
| } | ||
| } | ||
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| func IgnoreServiceAccountSecret() FilterFunc { | ||
| return func(res unstructured.Unstructured, logger logger) bool { | ||
| if res.GetKind() == "Secret" && res.GetAPIVersion() == "v1" { | ||
| if _, ok := res.GetAnnotations()["kubernetes.io/service-account.name"]; ok { | ||
| return true | ||
| } | ||
| } | ||
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| return false | ||
| } | ||
| } | ||
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| func IgnoreHelmSecret() FilterFunc { | ||
| return func(res unstructured.Unstructured, logger logger) bool { | ||
| if res.GetKind() == "Secret" && res.GetAPIVersion() == "v1" { | ||
| if v, ok := res.GetLabels()["owner"]; ok && v == "helm" { | ||
| return true | ||
| } | ||
| } | ||
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| return false | ||
| } | ||
| } | ||
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| func IgnoreIfHelmReleaseFound(helmReleases []unstructured.Unstructured) FilterFunc { | ||
| return func(res unstructured.Unstructured, logger logger) bool { | ||
| labels := res.GetLabels() | ||
| if helmName, ok := labels[FLUX_HELM_NAME_LABEL]; ok { | ||
| if helmNamespace, ok := labels[FLUX_HELM_NAMESPACE_LABEL]; ok { | ||
| if hasResource(helmReleases, helmName, helmNamespace) { | ||
| return true | ||
| } else { | ||
| logger.Debugf("helmrelease [%s.%s] not found from resource %s %s %s\n", helmName, helmNamespace, res.GetName(), res.GetNamespace(), res.GetAPIVersion()) | ||
| } | ||
| } | ||
| } | ||
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| return false | ||
| } | ||
| } | ||
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| func IgnoreIfKustomizationFound(kustomizations []unstructured.Unstructured) FilterFunc { | ||
| return func(res unstructured.Unstructured, logger logger) bool { | ||
| labels := res.GetLabels() | ||
| if ksName, ok := labels[FLUX_KUSTOMIZE_NAME_LABEL]; ok { | ||
| if ksNamespace, ok := labels[FLUX_KUSTOMIZE_NAMESPACE_LABEL]; ok { | ||
| if hasResource(kustomizations, ksName, ksNamespace) { | ||
| return true | ||
| } else { | ||
| logger.Debugf("kustomization [%s.%s] not found from resource %s %s %s\n", ksName, ksNamespace, res.GetName(), res.GetNamespace(), res.GetAPIVersion()) | ||
| } | ||
| } | ||
| } | ||
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| return false | ||
| } | ||
| } | ||
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| func hasResource(pool []unstructured.Unstructured, name, namespace string) bool { | ||
| for _, res := range pool { | ||
| if res.GetName() == name && res.GetNamespace() == namespace { | ||
| return true | ||
| } | ||
| } | ||
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| return false | ||
| } |
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