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45 lines
1.7 KiB
Go
45 lines
1.7 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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// Reads the pod configuration from the Kubernetes apiserver.
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package config
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import (
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/client/cache"
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client "k8s.io/kubernetes/pkg/client/unversioned"
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"k8s.io/kubernetes/pkg/fields"
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kubetypes "k8s.io/kubernetes/pkg/kubelet/types"
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)
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// NewSourceApiserver creates a config source that watches and pulls from the apiserver.
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func NewSourceApiserver(c *client.Client, nodeName string, updates chan<- interface{}) {
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lw := cache.NewListWatchFromClient(c, "pods", api.NamespaceAll, fields.OneTermEqualSelector(client.PodHost, nodeName))
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newSourceApiserverFromLW(lw, updates)
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}
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// newSourceApiserverFromLW holds creates a config source that watches and pulls from the apiserver.
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func newSourceApiserverFromLW(lw cache.ListerWatcher, updates chan<- interface{}) {
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send := func(objs []interface{}) {
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var pods []*api.Pod
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for _, o := range objs {
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pods = append(pods, o.(*api.Pod))
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}
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updates <- kubetypes.PodUpdate{Pods: pods, Op: kubetypes.SET, Source: kubetypes.ApiserverSource}
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}
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cache.NewReflector(lw, &api.Pod{}, cache.NewUndeltaStore(send, cache.MetaNamespaceKeyFunc), 0).Run()
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}
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