func TestSnapshot(t *testing.T) {
pr, err := util.ParsePortRange("10000-10200")
if err != nil {
t.Fatal(err)
}
r := NewPortAllocator(*pr)
ports := []int{}
for i := 0; i < 10; i++ {
port, err := r.AllocateNext()
if err != nil {
t.Fatal(err)
}
ports = append(ports, port)
}
var dst api.RangeAllocation
err = r.Snapshot(&dst)
if err != nil {
t.Fatal(err)
}
pr2, err := util.ParsePortRange(dst.Range)
if err != nil {
t.Fatal(err)
}
if pr.String() != pr2.String() {
t.Fatalf("mismatched networks: %s : %s", pr, pr2)
}
otherPr, err := util.ParsePortRange("200-300")
if err != nil {
t.Fatal(err)
}
other := NewPortAllocator(*otherPr)
if err := r.Restore(*otherPr, dst.Data); err != ErrMismatchedNetwork {
t.Fatal(err)
}
other = NewPortAllocator(*pr2)
if err := other.Restore(*pr2, dst.Data); err != nil {
t.Fatal(err)
}
for _, n := range ports {
if !other.Has(n) {
t.Errorf("restored range does not have %s", n)
}
}
if other.Free() != r.Free() {
t.Errorf("counts do not match: %d", other.Free())
}
}
func ValidateKubernetesMasterConfig(config *api.KubernetesMasterConfig) ValidationResults {
validationResults := ValidationResults{}
if len(config.MasterIP) > 0 {
validationResults.AddErrors(ValidateSpecifiedIP(config.MasterIP, "masterIP")...)
}
if config.MasterCount < 1 {
validationResults.AddErrors(fielderrors.NewFieldInvalid("masterCount", config.MasterCount, "must be a positive integer"))
}
if len(config.ServicesSubnet) > 0 {
if _, _, err := net.ParseCIDR(strings.TrimSpace(config.ServicesSubnet)); err != nil {
validationResults.AddErrors(fielderrors.NewFieldInvalid("servicesSubnet", config.ServicesSubnet, "must be a valid CIDR notation IP range (e.g. 172.30.0.0/16)"))
}
}
if len(config.ServicesNodePortRange) > 0 {
if _, err := util.ParsePortRange(strings.TrimSpace(config.ServicesNodePortRange)); err != nil {
validationResults.AddErrors(fielderrors.NewFieldInvalid("servicesNodePortRange", config.ServicesNodePortRange, "must be a valid port range (e.g. 30000-32000)"))
}
}
if len(config.SchedulerConfigFile) > 0 {
validationResults.AddErrors(ValidateFile(config.SchedulerConfigFile, "schedulerConfigFile")...)
}
for i, nodeName := range config.StaticNodeNames {
if len(nodeName) == 0 {
validationResults.AddErrors(fielderrors.NewFieldInvalid(fmt.Sprintf("staticNodeName[%d]", i), nodeName, "may not be empty"))
}
}
if len(config.PodEvictionTimeout) > 0 {
if _, err := time.ParseDuration(config.PodEvictionTimeout); err != nil {
validationResults.AddErrors(fielderrors.NewFieldInvalid("podEvictionTimeout", config.PodEvictionTimeout, "must be a valid time duration string (e.g. '300ms' or '2m30s'). Valid time units are 'ns', 'us', 'ms', 's', 'm', 'h'"))
}
}
validationResults.Append(ValidateAPILevels(config.APILevels, api.KnownKubernetesAPILevels, api.DeadKubernetesAPILevels, "apiLevels"))
validationResults.AddErrors(ValidateAPIServerExtendedArguments(config.APIServerArguments).Prefix("apiServerArguments")...)
validationResults.AddErrors(ValidateControllerExtendedArguments(config.ControllerArguments).Prefix("controllerArguments")...)
return validationResults
}
func BuildKubernetesMasterConfig(options configapi.MasterConfig, requestContextMapper kapi.RequestContextMapper, kubeClient *kclient.Client) (*MasterConfig, error) {
if options.KubernetesMasterConfig == nil {
return nil, errors.New("insufficient information to build KubernetesMasterConfig")
}
// Connect and setup etcd interfaces
etcdClient, err := etcd.GetAndTestEtcdClient(options.EtcdClientInfo)
if err != nil {
return nil, err
}
ketcdHelper, err := master.NewEtcdHelper(etcdClient, options.EtcdStorageConfig.KubernetesStorageVersion, options.EtcdStorageConfig.KubernetesStoragePrefix)
if err != nil {
return nil, fmt.Errorf("Error setting up Kubernetes server storage: %v", err)
}
kubeletClientConfig := configapi.GetKubeletClientConfig(options)
kubeletClient, err := kclient.NewKubeletClient(kubeletClientConfig)
if err != nil {
return nil, fmt.Errorf("unable to configure Kubelet client: %v", err)
}
// in-order list of plug-ins that should intercept admission decisions
// TODO: Push node environment support to upstream in future
_, portString, err := net.SplitHostPort(options.ServingInfo.BindAddress)
if err != nil {
return nil, err
}
port, err := strconv.Atoi(portString)
if err != nil {
return nil, err
}
portRange, err := util.ParsePortRange(options.KubernetesMasterConfig.ServicesNodePortRange)
if err != nil {
return nil, err
}
podEvictionTimeout, err := time.ParseDuration(options.KubernetesMasterConfig.PodEvictionTimeout)
if err != nil {
return nil, fmt.Errorf("unable to parse PodEvictionTimeout: %v", err)
}
server := app.NewAPIServer()
server.EventTTL = 2 * time.Hour
server.PortalNet = util.IPNet(flagtypes.DefaultIPNet(options.KubernetesMasterConfig.ServicesSubnet))
server.ServiceNodePorts = *portRange
server.AdmissionControl = strings.Join([]string{
"NamespaceExists", "NamespaceLifecycle", "OriginPodNodeEnvironment", "LimitRanger", "ServiceAccount", "SecurityContextConstraint", "ResourceQuota",
}, ",")
// resolve extended arguments
// TODO: this should be done in config validation (along with the above) so we can provide
// proper errors
if err := cmdflags.Resolve(options.KubernetesMasterConfig.APIServerArguments, server.AddFlags); len(err) > 0 {
return nil, kerrors.NewAggregate(err)
}
cmserver := cmapp.NewCMServer()
cmserver.PodEvictionTimeout = podEvictionTimeout
// resolve extended arguments
// TODO: this should be done in config validation (along with the above) so we can provide
// proper errors
if err := cmdflags.Resolve(options.KubernetesMasterConfig.ControllerArguments, cmserver.AddFlags); len(err) > 0 {
return nil, kerrors.NewAggregate(err)
}
cloud, err := cloudprovider.InitCloudProvider(cmserver.CloudProvider, cmserver.CloudConfigFile)
if err != nil {
return nil, err
}
admissionController := admission.NewFromPlugins(kubeClient, strings.Split(server.AdmissionControl, ","), server.AdmissionControlConfigFile)
m := &master.Config{
PublicAddress: net.ParseIP(options.KubernetesMasterConfig.MasterIP),
ReadWritePort: port,
ReadOnlyPort: port,
EtcdHelper: ketcdHelper,
EventTTL: server.EventTTL,
//MinRequestTimeout: server.MinRequestTimeout,
PortalNet: (*net.IPNet)(&server.PortalNet),
ServiceNodePorts: server.ServiceNodePorts,
RequestContextMapper: requestContextMapper,
KubeletClient: kubeletClient,
APIPrefix: KubeAPIPrefix,
EnableCoreControllers: true,
MasterCount: options.KubernetesMasterConfig.MasterCount,
Authorizer: apiserver.NewAlwaysAllowAuthorizer(),
AdmissionControl: admissionController,
DisableV1Beta1: true,
DisableV1Beta2: true,
DisableV1Beta3: !configapi.HasKubernetesAPILevel(*options.KubernetesMasterConfig, "v1beta3"),
EnableV1: configapi.HasKubernetesAPILevel(*options.KubernetesMasterConfig, "v1"),
}
kmaster := &MasterConfig{
Options: *options.KubernetesMasterConfig,
KubeClient: kubeClient,
Master: m,
ControllerManager: cmserver,
CloudProvider: cloud,
}
return kmaster, nil
}
func TestAllocate(t *testing.T) {
pr, err := util.ParsePortRange("10000-10200")
if err != nil {
t.Fatal(err)
}
r := NewPortAllocator(*pr)
if f := r.Free(); f != 201 {
t.Errorf("unexpected free %d", f)
}
found := util.NewStringSet()
count := 0
for r.Free() > 0 {
p, err := r.AllocateNext()
if err != nil {
t.Fatalf("error @ %d: %v", count, err)
}
count++
if !pr.Contains(p) {
t.Fatalf("allocated %s which is outside of %s", p, pr)
}
if found.Has(strconv.Itoa(p)) {
t.Fatalf("allocated %s twice @ %d", p, count)
}
found.Insert(strconv.Itoa(p))
}
if _, err := r.AllocateNext(); err != ErrFull {
t.Fatal(err)
}
released := 10005
if err := r.Release(released); err != nil {
t.Fatal(err)
}
if f := r.Free(); f != 1 {
t.Errorf("unexpected free %d", f)
}
p, err := r.AllocateNext()
if err != nil {
t.Fatal(err)
}
if released != p {
t.Errorf("unexpected %s : %s", p, released)
}
if err := r.Release(released); err != nil {
t.Fatal(err)
}
if err := r.Allocate(1); err != ErrNotInRange {
t.Fatal(err)
}
if err := r.Allocate(10001); err != ErrAllocated {
t.Fatal(err)
}
if err := r.Allocate(20000); err != ErrNotInRange {
t.Fatal(err)
}
if err := r.Allocate(10201); err != ErrNotInRange {
t.Fatal(err)
}
if f := r.Free(); f != 1 {
t.Errorf("unexpected free %d", f)
}
if err := r.Allocate(released); err != nil {
t.Fatal(err)
}
if f := r.Free(); f != 0 {
t.Errorf("unexpected free %d", f)
}
}