Examples with LabelSelector io.kubernetes.client.util.labels.LabelSelector used on opensource projects

Example 1 with LabelSelector

use of io.kubernetes.client.util.labels.LabelSelector in project java by kubernetes-client.

the class DeploymentHelper method listReplicaSets.

/**
 * listReplicaSets returns a list of RSes the given deployment targets. Note that this does NOT
 * attempt to reconcile ControllerRef (adopt/orphan), because only the controller itself should do
 * that. However, it does filter out anything whose ControllerRef doesn't match.
 */
private static List<V1ReplicaSet> listReplicaSets(V1Deployment deployment, AppsV1Api api) throws ApiException {
    String namespace = deployment.getMetadata().getNamespace();
    LabelSelector selector = LabelSelector.parse(deployment.getSpec().getSelector());
    List<V1ReplicaSet> all = rsListFromClient(namespace, selector.toString(), api);
    List<V1ReplicaSet> owned = new ArrayList<>(all.size());
    for (V1ReplicaSet rs : all) {
        List<V1OwnerReference> refs = rs.getMetadata().getOwnerReferences();
        Optional<V1OwnerReference> ref = refs.stream().filter(o -> o.getController() != null && o.getController()).findAny();
        // Only include those whose ControllerRef matches the Deployment.
        if (ref.isPresent() && ref.get().getUid().equals(deployment.getMetadata().getUid())) {
            owned.add(rs);
        }
    }
    return owned;
}