1 files changed, 70 insertions, 0 deletions
diff --git a/vendor/k8s.io/client-go/listers/apps/v1beta2/deployment_expansion.go b/vendor/k8s.io/client-go/listers/apps/v1beta2/deployment_expansion.go
new file mode 100644
index 000000000..1537167a0
--- /dev/null
+++ b/vendor/k8s.io/client-go/listers/apps/v1beta2/deployment_expansion.go
@@ -0,0 +1,70 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package v1beta2
+
+import (
+	"fmt"
+
+	apps "k8s.io/api/apps/v1beta2"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/labels"
+)
+
+// DeploymentListerExpansion allows custom methods to be added to
+// DeploymentLister.
+type DeploymentListerExpansion interface {
+	GetDeploymentsForReplicaSet(rs *apps.ReplicaSet) ([]*apps.Deployment, error)
+}
+
+// DeploymentNamespaceListerExpansion allows custom methods to be added to
+// DeploymentNamespaceLister.
+type DeploymentNamespaceListerExpansion interface{}
+
+// GetDeploymentsForReplicaSet returns a list of Deployments that potentially
+// match a ReplicaSet. Only the one specified in the ReplicaSet's ControllerRef
+// will actually manage it.
+// Returns an error only if no matching Deployments are found.
+func (s *deploymentLister) GetDeploymentsForReplicaSet(rs *apps.ReplicaSet) ([]*apps.Deployment, error) {
+	if len(rs.Labels) == 0 {
+		return nil, fmt.Errorf("no deployments found for ReplicaSet %v because it has no labels", rs.Name)
+	}
+
+	// TODO: MODIFY THIS METHOD so that it checks for the podTemplateSpecHash label
+	dList, err := s.Deployments(rs.Namespace).List(labels.Everything())
+	if err != nil {
+		return nil, err
+	}
+
+	var deployments []*apps.Deployment
+	for _, d := range dList {
+		selector, err := metav1.LabelSelectorAsSelector(d.Spec.Selector)
+		if err != nil {
+			return nil, fmt.Errorf("invalid label selector: %v", err)
+		}
+		// If a deployment with a nil or empty selector creeps in, it should match nothing, not everything.
+		if selector.Empty() || !selector.Matches(labels.Set(rs.Labels)) {
+			continue
+		}
+		deployments = append(deployments, d)
+	}
+
+	if len(deployments) == 0 {
+		return nil, fmt.Errorf("could not find deployments set for ReplicaSet %s in namespace %s with labels: %v", rs.Name, rs.Namespace, rs.Labels)
+	}
+
+	return deployments, nil
+}