forked from kubernetes/kops
/
kube_boot.go
109 lines (87 loc) · 2.35 KB
/
kube_boot.go
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package protokube
import (
"github.com/golang/glog"
"net"
"time"
)
type KubeBoot struct {
Master bool
InternalDNSSuffix string
InternalIP net.IP
//MasterID int
//EtcdClusters []*EtcdClusterSpec
volumeMounter *VolumeMountController
etcdControllers map[string]*EtcdController
DNS DNSProvider
ModelDir string
Channels []string
Kubernetes *KubernetesContext
}
func (k *KubeBoot) Init(volumesProvider Volumes) {
k.volumeMounter = newVolumeMountController(volumesProvider)
k.etcdControllers = make(map[string]*EtcdController)
}
var Containerized = false
var RootFS = "/"
func PathFor(hostPath string) string {
if hostPath[0] != '/' {
glog.Fatalf("path was not absolute: %q", hostPath)
}
return RootFS + hostPath[1:]
}
func (k *KubeBoot) String() string {
return DebugString(k)
}
func (k *KubeBoot) RunSyncLoop() {
for {
err := k.syncOnce()
if err != nil {
glog.Warningf("error during attempt to bootstrap (will sleep and retry): %v", err)
}
time.Sleep(1 * time.Minute)
}
}
func (k *KubeBoot) syncOnce() error {
if k.Master {
volumes, err := k.volumeMounter.mountMasterVolumes()
if err != nil {
return err
}
for _, v := range volumes {
for _, etcdClusterSpec := range v.Info.EtcdClusters {
key := etcdClusterSpec.ClusterKey + "::" + etcdClusterSpec.NodeName
etcdController := k.etcdControllers[key]
if etcdController == nil {
glog.Infof("Found etcd cluster spec on volume %q: %v", v.ID, etcdClusterSpec)
etcdController, err := newEtcdController(k, v, etcdClusterSpec)
if err != nil {
glog.Warningf("error building etcd controller: %v", err)
} else {
k.etcdControllers[key] = etcdController
go etcdController.RunSyncLoop()
}
}
}
}
//// Copy roles from volume
//k.EtcdClusters = volumeInfo.EtcdClusters
//for _, etcdClusterSpec := range volumeInfo.EtcdClusters {
// glog.Infof("Found etcd cluster spec on volume: %v", etcdClusterSpec)
//}
//k.MasterID = volumeInfo.MasterID
// TODO: Should we set up symlinks here?
}
if k.Master {
err := ApplyMasterTaints(k.Kubernetes)
if err != nil {
glog.Warningf("error updating master taints: %v", err)
}
}
for _, channel := range k.Channels {
err := ApplyChannel(channel)
if err != nil {
glog.Warningf("error applying channel %q: %v", channel, err)
}
}
return nil
}