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Add namespace_labels configuration for kubernetes plugin (#2707)

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Matt Greenfield 2019-03-22 08:32:40 -06:00 • committed by Miek Gieben
parent 43c3e0ab68
commit a3dd8cdf8d
9 changed files with 278 additions and 40 deletions
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21
plugin/kubernetes/namespace.go
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@ -1,20 +1,27 @@
package kubernetes
// namespace checks if namespace n exists in this cluster. This returns true
// even for non exposed namespaces, see namespaceExposed.
func (k *Kubernetes) namespace(n string) bool {
ns, err := k.APIConn.GetNamespaceByName(n)
// filteredNamespaceExists checks if namespace exists in this cluster
// according to any `namespace_labels` plugin configuration specified.
// Returns true even for namespaces not exposed by plugin configuration,
// see namespaceExposed.
func (k *Kubernetes) filteredNamespaceExists(namespace string) bool {
ns, err := k.APIConn.GetNamespaceByName(namespace)
if err != nil {
return false
}
return ns.ObjectMeta.Name == n
return ns.ObjectMeta.Name == namespace
}
// namespaceExposed returns true when the namespace is exposed.
func (k *Kubernetes) namespaceExposed(namespace string) bool {
// configuredNamespace returns true when the namespace is exposed through the plugin
// `namespaces` configuration.
func (k *Kubernetes) configuredNamespace(namespace string) bool {
_, ok := k.Namespaces[namespace]
if len(k.Namespaces) > 0 && !ok {
return false
}
return true
}
func (k *Kubernetes) namespaceExposed(namespace string) bool {
return k.configuredNamespace(namespace) && k.filteredNamespaceExists(namespace)
}