kubernetes/pkg/kubelet/config/apiserver.go
Justin Santa Barbara dee8d4b90b For kubelet, differentiate between the nodeName and the hostname
This will allow us to use a nodeName that is not the hostname,
for example on clouds where the hostname is not the natural identifier
for a node.
2015-06-18 12:40:01 -07:00

45 lines
1.8 KiB
Go

/*
Copyright 2015 The Kubernetes Authors All rights reserved.
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.
*/
// Reads the pod configuration from the Kubernetes apiserver.
package config
import (
"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
"github.com/GoogleCloudPlatform/kubernetes/pkg/client"
"github.com/GoogleCloudPlatform/kubernetes/pkg/client/cache"
"github.com/GoogleCloudPlatform/kubernetes/pkg/fields"
"github.com/GoogleCloudPlatform/kubernetes/pkg/kubelet"
)
// NewSourceApiserver creates a config source that watches and pulls from the apiserver.
func NewSourceApiserver(c *client.Client, nodeName string, updates chan<- interface{}) {
lw := cache.NewListWatchFromClient(c, "pods", api.NamespaceAll, fields.OneTermEqualSelector(client.PodHost, nodeName))
newSourceApiserverFromLW(lw, updates)
}
// newSourceApiserverFromLW holds creates a config source that watches and pulls from the apiserver.
func newSourceApiserverFromLW(lw cache.ListerWatcher, updates chan<- interface{}) {
send := func(objs []interface{}) {
var pods []*api.Pod
for _, o := range objs {
pods = append(pods, o.(*api.Pod))
}
updates <- kubelet.PodUpdate{pods, kubelet.SET, kubelet.ApiserverSource}
}
cache.NewReflector(lw, &api.Pod{}, cache.NewUndeltaStore(send, cache.MetaNamespaceKeyFunc), 0).Run()
}