func (plugin *awsElasticBlockStorePlugin) newBuilderInternal(spec *volume.Spec, podUID types.UID, manager pdManager, mounter mount.Interface) (volume.Builder, error) {
var ebs *api.AWSElasticBlockStoreVolumeSource
if spec.VolumeSource.AWSElasticBlockStore != nil {
ebs = spec.VolumeSource.AWSElasticBlockStore
} else {
ebs = spec.PersistentVolumeSource.AWSElasticBlockStore
}
volumeID := ebs.VolumeID
fsType := ebs.FSType
partition := ""
if ebs.Partition != 0 {
partition = strconv.Itoa(ebs.Partition)
}
readOnly := ebs.ReadOnly
return &awsElasticBlockStore{
podUID: podUID,
volName: spec.Name,
volumeID: volumeID,
fsType: fsType,
partition: partition,
readOnly: readOnly,
manager: manager,
mounter: mounter,
diskMounter: &awsSafeFormatAndMount{mounter, exec.New()},
plugin: plugin,
}, nil
}
func (plugin *gcePersistentDiskPlugin) newBuilderInternal(spec *volume.Spec, podUID types.UID, manager pdManager, mounter mount.Interface) (volume.Builder, error) {
if plugin.legacyMode {
// Legacy mode instances can be cleaned up but not created anew.
return nil, fmt.Errorf("legacy mode: can not create new instances")
}
var gce *api.GCEPersistentDiskVolumeSource
if spec.VolumeSource.GCEPersistentDisk != nil {
gce = spec.VolumeSource.GCEPersistentDisk
} else {
gce = spec.PersistentVolumeSource.GCEPersistentDisk
}
pdName := gce.PDName
fsType := gce.FSType
partition := ""
if gce.Partition != 0 {
partition = strconv.Itoa(gce.Partition)
}
readOnly := gce.ReadOnly
return &gcePersistentDisk{
podUID: podUID,
volName: spec.Name,
pdName: pdName,
fsType: fsType,
partition: partition,
readOnly: readOnly,
manager: manager,
mounter: mounter,
diskMounter: &gceSafeFormatAndMount{mounter, exec.New()},
plugin: plugin,
legacyMode: false,
}, nil
}
func (plugin *gcePersistentDiskPlugin) newBuilderInternal(spec *volume.Spec, podUID types.UID, manager pdManager, mounter mount.Interface) (volume.Builder, error) {
// GCEPDs used directly in a pod have a ReadOnly flag set by the pod author.
// GCEPDs used as a PersistentVolume gets the ReadOnly flag indirectly through the persistent-claim volume used to mount the PV
var readOnly bool
var gce *api.GCEPersistentDiskVolumeSource
if spec.VolumeSource.GCEPersistentDisk != nil {
gce = spec.VolumeSource.GCEPersistentDisk
readOnly = gce.ReadOnly
} else {
gce = spec.PersistentVolumeSource.GCEPersistentDisk
readOnly = spec.ReadOnly
}
pdName := gce.PDName
fsType := gce.FSType
partition := ""
if gce.Partition != 0 {
partition = strconv.Itoa(gce.Partition)
}
return &gcePersistentDiskBuilder{
gcePersistentDisk: &gcePersistentDisk{
podUID: podUID,
volName: spec.Name,
pdName: pdName,
partition: partition,
mounter: mounter,
manager: manager,
plugin: plugin,
},
fsType: fsType,
readOnly: readOnly,
diskMounter: &gceSafeFormatAndMount{mounter, exec.New()}}, nil
}
func (plugin *awsElasticBlockStorePlugin) newBuilderInternal(spec *volume.Spec, podUID types.UID, manager ebsManager, mounter mount.Interface) (volume.Builder, error) {
// EBSs used directly in a pod have a ReadOnly flag set by the pod author.
// EBSs used as a PersistentVolume gets the ReadOnly flag indirectly through the persistent-claim volume used to mount the PV
var readOnly bool
var ebs *api.AWSElasticBlockStoreVolumeSource
if spec.VolumeSource.AWSElasticBlockStore != nil {
ebs = spec.VolumeSource.AWSElasticBlockStore
readOnly = ebs.ReadOnly
} else {
ebs = spec.PersistentVolumeSource.AWSElasticBlockStore
readOnly = spec.ReadOnly
}
volumeID := ebs.VolumeID
fsType := ebs.FSType
partition := ""
if ebs.Partition != 0 {
partition = strconv.Itoa(ebs.Partition)
}
return &awsElasticBlockStoreBuilder{
awsElasticBlockStore: &awsElasticBlockStore{
podUID: podUID,
volName: spec.Name,
volumeID: volumeID,
manager: manager,
mounter: mounter,
plugin: plugin,
},
fsType: fsType,
partition: partition,
readOnly: readOnly,
diskMounter: &awsSafeFormatAndMount{mounter, exec.New()}}, nil
}
func (plugin *gcePersistentDiskPlugin) newBuilderInternal(spec *volume.Spec, podUID types.UID, manager pdManager, mounter mount.Interface) (volume.Builder, error) {
var gce *api.GCEPersistentDiskVolumeSource
if spec.VolumeSource.GCEPersistentDisk != nil {
gce = spec.VolumeSource.GCEPersistentDisk
} else {
gce = spec.PersistentVolumeSource.GCEPersistentDisk
}
pdName := gce.PDName
fsType := gce.FSType
partition := ""
if gce.Partition != 0 {
partition = strconv.Itoa(gce.Partition)
}
readOnly := gce.ReadOnly
return &gcePersistentDiskBuilder{
gcePersistentDisk: &gcePersistentDisk{
podUID: podUID,
volName: spec.Name,
pdName: pdName,
partition: partition,
mounter: mounter,
manager: manager,
plugin: plugin,
},
fsType: fsType,
readOnly: readOnly,
diskMounter: &gceSafeFormatAndMount{mounter, exec.New()}}, nil
}
// Calls "udevadm trigger --action=change" on the specified drive.
// drivePath must be the the block device path to trigger on, in the format "/dev/sd*", or a symlink to it.
// This is workaround for Issue #7972. Once the underlying issue has been resolved, this may be removed.
func udevadmChangeToDrive(drivePath string) error {
glog.V(5).Infof("udevadmChangeToDrive: drive=%q", drivePath)
// Evaluate symlink, if any
drive, err := filepath.EvalSymlinks(drivePath)
if err != nil {
return fmt.Errorf("udevadmChangeToDrive: filepath.EvalSymlinks(%q) failed with %v.", drivePath, err)
}
glog.V(5).Infof("udevadmChangeToDrive: symlink path is %q", drive)
// Check to make sure input is "/dev/sd*"
if !strings.Contains(drive, diskSDPath) {
return fmt.Errorf("udevadmChangeToDrive: expected input in the form \"%s\" but drive is %q.", diskSDPattern, drive)
}
// Call "udevadm trigger --action=change --property-match=DEVNAME=/dev/sd..."
_, err = exec.New().Command(
"udevadm",
"trigger",
"--action=change",
fmt.Sprintf("--property-match=DEVNAME=%s", drive)).CombinedOutput()
if err != nil {
return fmt.Errorf("udevadmChangeToDrive: udevadm trigger failed for drive %q with %v.", drive, err)
}
return nil
}
func (plugin *MultitenantPlugin) SetUpPod(namespace string, name string, id kubeletTypes.DockerID) error {
vnid, err := plugin.getVnid(namespace)
if err != nil {
return err
}
out, err := utilexec.New().Command(plugin.getExecutable(), setUpCmd, namespace, name, string(id), strconv.FormatUint(uint64(vnid), 10)).CombinedOutput()
glog.V(5).Infof("SetUpPod 'multitenant' network plugin output: %s, %v", string(out), err)
return err
}
// Run runs the specified ProxyServer. This should never exit.
func (s *ProxyServer) Run(_ []string) error {
if err := util.ApplyOomScoreAdj(0, s.OOMScoreAdj); err != nil {
glog.Info(err)
}
serviceConfig := config.NewServiceConfig()
endpointsConfig := config.NewEndpointsConfig()
protocol := iptables.ProtocolIpv4
if net.IP(s.BindAddress).To4() == nil {
protocol = iptables.ProtocolIpv6
}
loadBalancer := proxy.NewLoadBalancerRR()
proxier := proxy.NewProxier(loadBalancer, net.IP(s.BindAddress), iptables.New(exec.New(), protocol))
if proxier == nil {
glog.Fatalf("failed to create proxier, aborting")
}
// Wire proxier to handle changes to services
serviceConfig.RegisterHandler(proxier)
// And wire loadBalancer to handle changes to endpoints to services
endpointsConfig.RegisterHandler(loadBalancer)
// Note: RegisterHandler() calls need to happen before creation of Sources because sources
// only notify on changes, and the initial update (on process start) may be lost if no handlers
// are registered yet.
// define api config source
if s.ClientConfig.Host != "" {
glog.Infof("Using API calls to get config %v", s.ClientConfig.Host)
client, err := client.New(&s.ClientConfig)
if err != nil {
glog.Fatalf("Invalid API configuration: %v", err)
}
config.NewSourceAPI(
client.Services(api.NamespaceAll),
client.Endpoints(api.NamespaceAll),
30*time.Second,
serviceConfig.Channel("api"),
endpointsConfig.Channel("api"),
)
}
if s.HealthzPort > 0 {
go util.Forever(func() {
err := http.ListenAndServe(s.BindAddress.String()+":"+strconv.Itoa(s.HealthzPort), nil)
if err != nil {
glog.Errorf("Starting health server failed: %v", err)
}
}, 5*time.Second)
}
// Just loop forever for now...
proxier.SyncLoop()
return nil
}
func (plugin *gcePersistentDiskPlugin) newCleanerInternal(volName string, podUID types.UID, manager pdManager, mounter mount.Interface) (volume.Cleaner, error) {
return &gcePersistentDisk{
podUID: podUID,
volName: volName,
manager: manager,
mounter: mounter,
diskMounter: &gceSafeFormatAndMount{mounter, exec.New()},
plugin: plugin,
}, nil
}
func (plugin *awsElasticBlockStorePlugin) newCleanerInternal(volName string, podUID types.UID, manager pdManager, mounter mount.Interface) (volume.Cleaner, error) {
return &awsElasticBlockStore{
podUID: podUID,
volName: volName,
manager: manager,
mounter: mounter,
diskMounter: &awsSafeFormatAndMount{mounter, exec.New()},
plugin: plugin,
}, nil
}
func newGitRepo(volume *api.Volume, podID, rootDir string) *GitDir {
return &GitDir{
Source: volume.Source.GitRepo.Repository,
Revision: volume.Source.GitRepo.Revision,
PodID: podID,
RootDir: rootDir,
Name: volume.Name,
exec: exec.New(),
}
}
// RunProxy starts the proxy
func (c *NodeConfig) RunProxy() {
// initialize kube proxy
serviceConfig := pconfig.NewServiceConfig()
endpointsConfig := pconfig.NewEndpointsConfig()
loadBalancer := proxy.NewLoadBalancerRR()
endpointsConfig.RegisterHandler(loadBalancer)
host, _, err := net.SplitHostPort(c.BindAddress)
if err != nil {
glog.Fatalf("The provided value to bind to must be an ip:port %q", c.BindAddress)
}
ip := net.ParseIP(host)
if ip == nil {
glog.Fatalf("The provided value to bind to must be an ip:port: %q", c.BindAddress)
}
protocol := iptables.ProtocolIpv4
if ip.To4() == nil {
protocol = iptables.ProtocolIpv6
}
go util.Forever(func() {
proxier, err := proxy.NewProxier(loadBalancer, ip, iptables.New(kexec.New(), protocol), util.PortRange{})
if err != nil {
switch {
// conflicting use of iptables, retry
case proxy.IsProxyLocked(err):
glog.Errorf("Unable to start proxy, will retry: %v", err)
return
// on a system without iptables
case strings.Contains(err.Error(), "executable file not found in path"):
glog.V(4).Infof("kube-proxy initialization error: %v", err)
glog.Warningf("WARNING: Could not find the iptables command. The service proxy requires iptables and will be disabled.")
case err == proxy.ErrProxyOnLocalhost:
glog.Warningf("WARNING: The service proxy cannot bind to localhost and will be disabled.")
case strings.Contains(err.Error(), "you must be root"):
glog.Warningf("WARNING: Could not modify iptables. You must run this process as root to use the service proxy.")
default:
glog.Warningf("WARNING: Could not modify iptables. You must run this process as root to use the service proxy: %v", err)
}
select {}
}
pconfig.NewSourceAPI(
c.Client.Services(kapi.NamespaceAll),
c.Client.Endpoints(kapi.NamespaceAll),
30*time.Second,
serviceConfig.Channel("api"),
endpointsConfig.Channel("api"))
serviceConfig.RegisterHandler(proxier)
glog.Infof("Started Kubernetes Proxy on %s", host)
select {}
}, 5*time.Second)
}
func (plugin *execNetworkPlugin) Init(host network.Host) error {
err := plugin.validate()
if err != nil {
return err
}
plugin.host = host
// call the init script
out, err := utilexec.New().Command(plugin.getExecutable(), initCmd).CombinedOutput()
glog.V(5).Infof("Init 'exec' network plugin output: %s, %v", string(out), err)
return err
}
func (plugin *glusterfsPlugin) NewBuilder(spec *volume.Spec, podRef *api.ObjectReference, _ volume.VolumeOptions) (volume.Builder, error) {
ep_name := spec.VolumeSource.Glusterfs.EndpointsName
ns := podRef.Namespace
ep, err := plugin.host.GetKubeClient().Endpoints(ns).Get(ep_name)
if err != nil {
glog.Errorf("Glusterfs: failed to get endpoints %s[%v]", ep_name, err)
return nil, err
}
glog.V(1).Infof("Glusterfs: endpoints %v", ep)
return plugin.newBuilderInternal(spec, ep, podRef, mount.New(), exec.New())
}
func (plugin *gitRepoPlugin) NewBuilder(spec *volume.Spec, pod *api.Pod, opts volume.VolumeOptions, mounter mount.Interface) (volume.Builder, error) {
return &gitRepo{
pod: *pod,
volName: spec.Name,
source: spec.VolumeSource.GitRepo.Repository,
revision: spec.VolumeSource.GitRepo.Revision,
exec: exec.New(),
plugin: plugin,
opts: opts,
mounter: mounter,
}, nil
}
func (plugin *glusterfsPlugin) NewBuilder(spec *volume.Spec, pod *api.Pod, _ volume.VolumeOptions, mounter mount.Interface) (volume.Builder, error) {
source, _ := plugin.getGlusterVolumeSource(spec)
ep_name := source.EndpointsName
ns := pod.Namespace
ep, err := plugin.host.GetKubeClient().Endpoints(ns).Get(ep_name)
if err != nil {
glog.Errorf("Glusterfs: failed to get endpoints %s[%v]", ep_name, err)
return nil, err
}
glog.V(1).Infof("Glusterfs: endpoints %v", ep)
return plugin.newBuilderInternal(spec, ep, pod, mounter, exec.New())
}
// doNsenterMount nsenters the host's mount namespace and performs the
// requested mount.
func (n *NsenterMounter) doNsenterMount(source, target, fstype string, options []string) error {
glog.V(5).Infof("nsenter Mounting %s %s %s %v", source, target, fstype, options)
args := n.makeNsenterArgs(source, target, fstype, options)
glog.V(5).Infof("Mount command: %v %v", nsenterPath, args)
exec := exec.New()
outputBytes, err := exec.Command(nsenterPath, args...).CombinedOutput()
if len(outputBytes) != 0 {
glog.V(5).Infof("Output from mount command: %v", string(outputBytes))
}
return err
}
func (plugin *gitRepoPlugin) NewBuilder(spec *api.Volume, podUID types.UID) (volume.Builder, error) {
if plugin.legacyMode {
// Legacy mode instances can be cleaned up but not created anew.
return nil, fmt.Errorf("legacy mode: can not create new instances")
}
return &gitRepo{
podUID: podUID,
volName: spec.Name,
source: spec.Source.GitRepo.Repository,
revision: spec.Source.GitRepo.Revision,
exec: exec.New(),
plugin: plugin,
legacyMode: false,
}, nil
}
func (plugin *gcePersistentDiskPlugin) newCleanerInternal(volName string, podUID types.UID, manager pdManager, mounter mount.Interface) (volume.Cleaner, error) {
legacy := false
if plugin.legacyMode {
legacy = true
}
return &gcePersistentDisk{
podUID: podUID,
volName: volName,
manager: manager,
mounter: mounter,
diskMounter: &mount.SafeFormatAndMount{mounter, exec.New()},
plugin: plugin,
legacyMode: legacy,
}, nil
}
func (plugin *gitRepoPlugin) NewBuilder(spec *volume.Spec, podRef *api.ObjectReference, opts volume.VolumeOptions) (volume.Builder, error) {
if plugin.legacyMode {
// Legacy mode instances can be cleaned up but not created anew.
return nil, fmt.Errorf("legacy mode: can not create new instances")
}
return &gitRepo{
podRef: *podRef,
volName: spec.Name,
source: spec.VolumeSource.GitRepo.Repository,
revision: spec.VolumeSource.GitRepo.Revision,
exec: exec.New(),
plugin: plugin,
legacyMode: false,
opts: opts,
}, nil
}
// Unmount runs umount(8) in the host's mount namespace.
func (*NsenterMounter) Unmount(target string) error {
args := []string{
"--mount=/rootfs/proc/1/ns/mnt",
"/usr/bin/umount",
target,
}
glog.V(5).Infof("Unmount command: %v %v", nsenterPath, args)
exec := exec.New()
outputBytes, err := exec.Command(nsenterPath, args...).CombinedOutput()
if len(outputBytes) != 0 {
glog.V(5).Infof("Output from mount command: %v", string(outputBytes))
}
return err
}
func Master(osClient *osclient.Client, kClient *kclient.Client, clusterNetwork string, clusterNetworkLength uint) {
osdnInterface := newOsdnRegistryInterface(osClient, kClient)
// get hostname from the gateway
output, err := exec.New().Command("hostname", "-f").CombinedOutput()
if err != nil {
glog.Fatalf("SDN initialization failed: %v", err)
}
host := strings.TrimSpace(string(output))
kc, err := ovssubnet.NewKubeController(&osdnInterface, host, "", nil)
if err != nil {
glog.Fatalf("SDN initialization failed: %v", err)
}
err = kc.StartMaster(false, clusterNetwork, clusterNetworkLength)
if err != nil {
glog.Fatalf("SDN initialization failed: %v", err)
}
}
// IsMountPoint determines whether a path is a mountpoint by calling findmnt
// in the host's root mount namespace.
func (n *NsenterMounter) IsMountPoint(file string) (bool, error) {
file, err := filepath.Abs(file)
if err != nil {
return false, err
}
args := []string{"--mount=/rootfs/proc/1/ns/mnt", "--", n.absHostPath("findmnt"), "-o", "target", "--noheadings", "--target", file}
glog.V(5).Infof("findmnt command: %v %v", nsenterPath, args)
exec := exec.New()
out, err := exec.Command(nsenterPath, args...).CombinedOutput()
if err != nil {
// If findmnt didn't run, just claim it's not a mount point.
return false, nil
}
strOut := strings.TrimSuffix(string(out), "\n")
glog.V(5).Infof("IsMountPoint findmnt output: %v", strOut)
if strOut == file {
return true, nil
}
return false, nil
}
func (plugin *execNetworkPlugin) TearDownPod(namespace string, name string, id kubeletTypes.DockerID) error {
out, err := utilexec.New().Command(plugin.getExecutable(), tearDownCmd, namespace, name, string(id)).CombinedOutput()
glog.V(5).Infof("TearDownPod 'exec' network plugin output: %s, %v", string(out), err)
return err
}
func (plugin *execNetworkPlugin) SetUpPod(namespace string, name string, id dockertools.DockerID) error {
out, err := utilexec.New().Command(plugin.getExecutable(), setUpCmd, namespace, name, string(id)).CombinedOutput()
glog.V(5).Infof("SetUpPod 'exec' network plugin output: %s, %v", string(out), err)
return err
}
// Run runs the specified ProxyServer. This should never exit.
func (s *ProxyServer) Run(_ []string) error {
// TODO(vmarmol): Use container config for this.
if err := util.ApplyOomScoreAdj(0, s.OOMScoreAdj); err != nil {
glog.Info(err)
}
// Run in its own container.
if err := util.RunInResourceContainer(s.ResourceContainer); err != nil {
glog.Warningf("Failed to start in resource-only container %q: %v", s.ResourceContainer, err)
} else {
glog.Infof("Running in resource-only container %q", s.ResourceContainer)
}
serviceConfig := config.NewServiceConfig()
endpointsConfig := config.NewEndpointsConfig()
protocol := iptables.ProtocolIpv4
if net.IP(s.BindAddress).To4() == nil {
protocol = iptables.ProtocolIpv6
}
loadBalancer := proxy.NewLoadBalancerRR()
proxier := proxy.NewProxier(loadBalancer, net.IP(s.BindAddress), iptables.New(exec.New(), protocol))
if proxier == nil {
glog.Fatalf("failed to create proxier, aborting")
}
// Wire proxier to handle changes to services
serviceConfig.RegisterHandler(proxier)
// And wire loadBalancer to handle changes to endpoints to services
endpointsConfig.RegisterHandler(loadBalancer)
// Note: RegisterHandler() calls need to happen before creation of Sources because sources
// only notify on changes, and the initial update (on process start) may be lost if no handlers
// are registered yet.
// define api config source
if s.Kubeconfig == "" && s.Master == "" {
glog.Warningf("Neither --kubeconfig nor --master was specified. Using default API client. This might not work.")
}
// This creates a client, first loading any specified kubeconfig
// file, and then overriding the Master flag, if non-empty.
kubeconfig, err := clientcmd.NewNonInteractiveDeferredLoadingClientConfig(
&clientcmd.ClientConfigLoadingRules{ExplicitPath: s.Kubeconfig},
&clientcmd.ConfigOverrides{ClusterInfo: clientcmdapi.Cluster{Server: s.Master}}).ClientConfig()
if err != nil {
return err
}
client, err := client.New(kubeconfig)
if err != nil {
glog.Fatalf("Invalid API configuration: %v", err)
}
config.NewSourceAPI(
client.Services(api.NamespaceAll),
client.Endpoints(api.NamespaceAll),
30*time.Second,
serviceConfig.Channel("api"),
endpointsConfig.Channel("api"),
)
if s.HealthzPort > 0 {
go util.Forever(func() {
err := http.ListenAndServe(s.HealthzBindAddress.String()+":"+strconv.Itoa(s.HealthzPort), nil)
if err != nil {
glog.Errorf("Starting health server failed: %v", err)
}
}, 5*time.Second)
}
// Just loop forever for now...
proxier.SyncLoop()
return nil
}
func main() {
util.InitFlags()
util.InitLogs()
defer util.FlushLogs()
if err := util.ApplyOomScoreAdj(*oomScoreAdj); err != nil {
glog.Info(err)
}
verflag.PrintAndExitIfRequested()
serviceConfig := config.NewServiceConfig()
endpointsConfig := config.NewEndpointsConfig()
protocol := iptables.ProtocolIpv4
if net.IP(bindAddress).To4() == nil {
protocol = iptables.ProtocolIpv6
}
loadBalancer := proxy.NewLoadBalancerRR()
proxier := proxy.NewProxier(loadBalancer, net.IP(bindAddress), iptables.New(exec.New(), protocol))
if proxier == nil {
glog.Fatalf("failed to create proxier, aborting")
}
// Wire proxier to handle changes to services
serviceConfig.RegisterHandler(proxier)
// And wire loadBalancer to handle changes to endpoints to services
endpointsConfig.RegisterHandler(loadBalancer)
// Note: RegisterHandler() calls need to happen before creation of Sources because sources
// only notify on changes, and the initial update (on process start) may be lost if no handlers
// are registered yet.
// define api config source
if clientConfig.Host != "" {
glog.Infof("Using api calls to get config %v", clientConfig.Host)
client, err := client.New(clientConfig)
if err != nil {
glog.Fatalf("Invalid API configuration: %v", err)
}
config.NewSourceAPI(
client.Services(api.NamespaceAll),
client.Endpoints(api.NamespaceAll),
30*time.Second,
serviceConfig.Channel("api"),
endpointsConfig.Channel("api"),
)
} else {
var etcdClient *etcd.Client
// Set up etcd client
if len(etcdServerList) > 0 {
// Set up logger for etcd client
etcd.SetLogger(util.NewLogger("etcd "))
etcdClient = etcd.NewClient(etcdServerList)
} else if *etcdConfigFile != "" {
// Set up logger for etcd client
etcd.SetLogger(util.NewLogger("etcd "))
var err error
etcdClient, err = etcd.NewClientFromFile(*etcdConfigFile)
if err != nil {
glog.Fatalf("Error with etcd config file: %v", err)
}
}
// Create a configuration source that handles configuration from etcd.
if etcdClient != nil {
glog.Infof("Using etcd servers %v", etcdClient.GetCluster())
config.NewConfigSourceEtcd(etcdClient,
serviceConfig.Channel("etcd"),
endpointsConfig.Channel("etcd"))
}
}
if *healthz_port > 0 {
go util.Forever(func() {
err := http.ListenAndServe(bindAddress.String()+":"+strconv.Itoa(*healthz_port), nil)
if err != nil {
glog.Errorf("Starting health server failed: %v", err)
}
}, 5*time.Second)
}
// Just loop forever for now...
proxier.SyncLoop()
}
func main() {
flag.Parse()
util.InitLogs()
defer util.FlushLogs()
verflag.PrintAndExitIfRequested()
serviceConfig := config.NewServiceConfig()
endpointsConfig := config.NewEndpointsConfig()
// define api config source
if clientConfig.Host != "" {
glog.Infof("Using api calls to get config %v", clientConfig.Host)
client, err := client.New(clientConfig)
if err != nil {
glog.Fatalf("Invalid API configuration: %v", err)
}
config.NewSourceAPI(
client.Services(api.NamespaceAll),
client.Endpoints(api.NamespaceAll),
30*time.Second,
serviceConfig.Channel("api"),
endpointsConfig.Channel("api"),
)
} else {
var etcdClient *etcd.Client
// Set up etcd client
if len(etcdServerList) > 0 {
// Set up logger for etcd client
etcd.SetLogger(util.NewLogger("etcd "))
etcdClient = etcd.NewClient(etcdServerList)
} else if *etcdConfigFile != "" {
// Set up logger for etcd client
etcd.SetLogger(util.NewLogger("etcd "))
var err error
etcdClient, err = etcd.NewClientFromFile(*etcdConfigFile)
if err != nil {
glog.Fatalf("Error with etcd config file: %v", err)
}
}
// Create a configuration source that handles configuration from etcd.
if etcdClient != nil {
glog.Infof("Using etcd servers %v", etcdClient.GetCluster())
config.NewConfigSourceEtcd(etcdClient,
serviceConfig.Channel("etcd"),
endpointsConfig.Channel("etcd"))
}
}
loadBalancer := proxy.NewLoadBalancerRR()
proxier := proxy.NewProxier(loadBalancer, net.IP(bindAddress), iptables.New(exec.New()))
// Wire proxier to handle changes to services
serviceConfig.RegisterHandler(proxier)
// And wire loadBalancer to handle changes to endpoints to services
endpointsConfig.RegisterHandler(loadBalancer)
// Just loop forever for now...
proxier.SyncLoop()
}
// This is the primary entrypoint for volume plugins.
func ProbeVolumePlugins() []volume.VolumePlugin {
return []volume.VolumePlugin{&ISCSIPlugin{nil, exec.New()}}
}
