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/*
Copyright 2014 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 registrytest
import (
"context"
"sync"
"k8s.io/apimachinery/pkg/api/errors"
metainternalversion "k8s.io/apimachinery/pkg/apis/meta/internalversion"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/watch"
api "k8s.io/kubernetes/pkg/apis/core"
)
// NodeRegistry implements node.Registry interface.
type NodeRegistry struct {
Err error
Node string
Nodes api.NodeList
sync.Mutex
}
// MakeNodeList constructs api.NodeList from list of node names and a NodeResource.
func MakeNodeList(nodes []string, nodeResources api.NodeResources) *api.NodeList {
list := api.NodeList{
Items: make([]api.Node, len(nodes)),
}
for i := range nodes {
list.Items[i].Name = nodes[i]
list.Items[i].Status.Capacity = nodeResources.Capacity
}
return &list
}
func NewNodeRegistry(nodes []string, nodeResources api.NodeResources) *NodeRegistry {
return &NodeRegistry{
Nodes: *MakeNodeList(nodes, nodeResources),
}
}
func (r *NodeRegistry) SetError(err error) {
r.Lock()
defer r.Unlock()
r.Err = err
}
func (r *NodeRegistry) ListNodes(ctx context.Context, options *metainternalversion.ListOptions) (*api.NodeList, error) {
r.Lock()
defer r.Unlock()
return &r.Nodes, r.Err
}
func (r *NodeRegistry) CreateNode(ctx context.Context, node *api.Node) error {
r.Lock()
defer r.Unlock()
r.Node = node.Name
r.Nodes.Items = append(r.Nodes.Items, *node)
return r.Err
}
func (r *NodeRegistry) UpdateNode(ctx context.Context, node *api.Node) error {
r.Lock()
defer r.Unlock()
for i, item := range r.Nodes.Items {
if item.Name == node.Name {
r.Nodes.Items[i] = *node
return r.Err
}
}
return r.Err
}
func (r *NodeRegistry) GetNode(ctx context.Context, nodeID string, options *metav1.GetOptions) (*api.Node, error) {
r.Lock()
defer r.Unlock()
if r.Err != nil {
return nil, r.Err
}
for _, node := range r.Nodes.Items {
if node.Name == nodeID {
return &node, nil
}
}
return nil, errors.NewNotFound(api.Resource("nodes"), nodeID)
}
func (r *NodeRegistry) DeleteNode(ctx context.Context, nodeID string) error {
r.Lock()
defer r.Unlock()
var newList []api.Node
for _, node := range r.Nodes.Items {
if node.Name != nodeID {
newList = append(newList, api.Node{ObjectMeta: metav1.ObjectMeta{Name: node.Name}})
}
}
r.Nodes.Items = newList
return r.Err
}
func (r *NodeRegistry) WatchNodes(ctx context.Context, options *metainternalversion.ListOptions) (watch.Interface, error) {
return nil, r.Err
}
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