func buildRBACResources(authorizerRBACSuperUser string) RESTStorageProvider {
return func(apiResourceConfigSource genericapiserver.APIResourceConfigSource, restOptionsGetter RESTOptionsGetter) (genericapiserver.APIGroupInfo, bool) {
apiGroupInfo := NewDefaultAPIGroupInfo(rbac.GroupName)
storageForVersion := func(version unversioned.GroupVersion) map[string]rest.Storage {
once := new(sync.Once)
var authorizationRuleResolver rbacvalidation.AuthorizationRuleResolver
newRuleValidator := func() rbacvalidation.AuthorizationRuleResolver {
once.Do(func() {
authorizationRuleResolver = rbacvalidation.NewDefaultRuleResolver(
role.NewRegistry(roleetcd.NewREST(restOptionsGetter(rbac.Resource("roles")))),
rolebinding.NewRegistry(rolebindingetcd.NewREST(restOptionsGetter(rbac.Resource("rolebindings")))),
clusterrole.NewRegistry(clusterroleetcd.NewREST(restOptionsGetter(rbac.Resource("clusterroles")))),
clusterrolebinding.NewRegistry(clusterrolebindingetcd.NewREST(restOptionsGetter(rbac.Resource("clusterrolebindings")))),
)
})
return authorizationRuleResolver
}
storage := map[string]rest.Storage{}
if apiResourceConfigSource.ResourceEnabled(version.WithResource("roles")) {
rolesStorage := roleetcd.NewREST(restOptionsGetter(rbac.Resource("roles")))
storage["roles"] = rolepolicybased.NewStorage(rolesStorage, newRuleValidator(), authorizerRBACSuperUser)
}
if apiResourceConfigSource.ResourceEnabled(version.WithResource("rolebindings")) {
roleBindingsStorage := rolebindingetcd.NewREST(restOptionsGetter(rbac.Resource("rolebindings")))
storage["rolebindings"] = rolebindingpolicybased.NewStorage(roleBindingsStorage, newRuleValidator(), authorizerRBACSuperUser)
}
if apiResourceConfigSource.ResourceEnabled(version.WithResource("clusterroles")) {
clusterRolesStorage := clusterroleetcd.NewREST(restOptionsGetter(rbac.Resource("clusterroles")))
storage["clusterroles"] = clusterrolepolicybased.NewStorage(clusterRolesStorage, newRuleValidator(), authorizerRBACSuperUser)
}
if apiResourceConfigSource.ResourceEnabled(version.WithResource("clusterrolebindings")) {
clusterRoleBindingsStorage := clusterrolebindingetcd.NewREST(restOptionsGetter(rbac.Resource("clusterrolebindings")))
storage["clusterrolebindings"] = clusterrolebindingpolicybased.NewStorage(clusterRoleBindingsStorage, newRuleValidator(), authorizerRBACSuperUser)
}
return storage
}
if apiResourceConfigSource.AnyResourcesForVersionEnabled(rbacapi.SchemeGroupVersion) {
apiGroupInfo.VersionedResourcesStorageMap[rbacapi.SchemeGroupVersion.Version] = storageForVersion(rbacapi.SchemeGroupVersion)
apiGroupInfo.GroupMeta.GroupVersion = rbacapi.SchemeGroupVersion
}
return apiGroupInfo, true
}
}
func (p *RBACRESTStorageProvider) v1alpha1Storage(apiResourceConfigSource genericapiserver.APIResourceConfigSource, restOptionsGetter RESTOptionsGetter) map[string]rest.Storage {
version := rbacapiv1alpha1.SchemeGroupVersion
once := new(sync.Once)
var authorizationRuleResolver rbacvalidation.AuthorizationRuleResolver
newRuleValidator := func() rbacvalidation.AuthorizationRuleResolver {
once.Do(func() {
authorizationRuleResolver = rbacvalidation.NewDefaultRuleResolver(
role.NewRegistry(roleetcd.NewREST(restOptionsGetter(rbac.Resource("roles")))),
rolebinding.NewRegistry(rolebindingetcd.NewREST(restOptionsGetter(rbac.Resource("rolebindings")))),
clusterrole.NewRegistry(clusterroleetcd.NewREST(restOptionsGetter(rbac.Resource("clusterroles")))),
clusterrolebinding.NewRegistry(clusterrolebindingetcd.NewREST(restOptionsGetter(rbac.Resource("clusterrolebindings")))),
)
})
return authorizationRuleResolver
}
storage := map[string]rest.Storage{}
if apiResourceConfigSource.ResourceEnabled(version.WithResource("roles")) {
rolesStorage := roleetcd.NewREST(restOptionsGetter(rbac.Resource("roles")))
storage["roles"] = rolepolicybased.NewStorage(rolesStorage, newRuleValidator(), p.AuthorizerRBACSuperUser)
}
if apiResourceConfigSource.ResourceEnabled(version.WithResource("rolebindings")) {
roleBindingsStorage := rolebindingetcd.NewREST(restOptionsGetter(rbac.Resource("rolebindings")))
storage["rolebindings"] = rolebindingpolicybased.NewStorage(roleBindingsStorage, newRuleValidator(), p.AuthorizerRBACSuperUser)
}
if apiResourceConfigSource.ResourceEnabled(version.WithResource("clusterroles")) {
clusterRolesStorage := clusterroleetcd.NewREST(restOptionsGetter(rbac.Resource("clusterroles")))
storage["clusterroles"] = clusterrolepolicybased.NewStorage(clusterRolesStorage, newRuleValidator(), p.AuthorizerRBACSuperUser)
p.postStartHook = newPostStartHook(clusterRolesStorage)
}
if apiResourceConfigSource.ResourceEnabled(version.WithResource("clusterrolebindings")) {
clusterRoleBindingsStorage := clusterrolebindingetcd.NewREST(restOptionsGetter(rbac.Resource("clusterrolebindings")))
storage["clusterrolebindings"] = clusterrolebindingpolicybased.NewStorage(clusterRoleBindingsStorage, newRuleValidator(), p.AuthorizerRBACSuperUser)
}
return storage
}
func (m *Master) getRBACResources(c *Config) map[string]rest.Storage {
version := rbacapi.SchemeGroupVersion
once := new(sync.Once)
var authorizationRuleResolver rbacvalidation.AuthorizationRuleResolver
newRuleValidator := func() rbacvalidation.AuthorizationRuleResolver {
once.Do(func() {
authorizationRuleResolver = rbacvalidation.NewDefaultRuleResolver(
role.NewRegistry(roleetcd.NewREST(m.GetRESTOptionsOrDie(c, rbac.Resource("roles")))),
rolebinding.NewRegistry(rolebindingetcd.NewREST(m.GetRESTOptionsOrDie(c, rbac.Resource("rolebindings")))),
clusterrole.NewRegistry(clusterroleetcd.NewREST(m.GetRESTOptionsOrDie(c, rbac.Resource("clusterroles")))),
clusterrolebinding.NewRegistry(clusterrolebindingetcd.NewREST(m.GetRESTOptionsOrDie(c, rbac.Resource("clusterrolebindings")))),
)
})
return authorizationRuleResolver
}
storage := map[string]rest.Storage{}
if c.APIResourceConfigSource.ResourceEnabled(version.WithResource("roles")) {
rolesStorage := roleetcd.NewREST(m.GetRESTOptionsOrDie(c, rbac.Resource("roles")))
storage["roles"] = rolepolicybased.NewStorage(rolesStorage, newRuleValidator(), c.AuthorizerRBACSuperUser)
}
if c.APIResourceConfigSource.ResourceEnabled(version.WithResource("rolebindings")) {
roleBindingsStorage := rolebindingetcd.NewREST(m.GetRESTOptionsOrDie(c, rbac.Resource("rolebindings")))
storage["rolebindings"] = rolebindingpolicybased.NewStorage(roleBindingsStorage, newRuleValidator(), c.AuthorizerRBACSuperUser)
}
if c.APIResourceConfigSource.ResourceEnabled(version.WithResource("clusterroles")) {
clusterRolesStorage := clusterroleetcd.NewREST(m.GetRESTOptionsOrDie(c, rbac.Resource("clusterroles")))
storage["clusterroles"] = clusterrolepolicybased.NewStorage(clusterRolesStorage, newRuleValidator(), c.AuthorizerRBACSuperUser)
}
if c.APIResourceConfigSource.ResourceEnabled(version.WithResource("clusterrolebindings")) {
clusterRoleBindingsStorage := clusterrolebindingetcd.NewREST(m.GetRESTOptionsOrDie(c, rbac.Resource("clusterrolebindings")))
storage["clusterrolebindings"] = clusterrolebindingpolicybased.NewStorage(clusterRoleBindingsStorage, newRuleValidator(), c.AuthorizerRBACSuperUser)
}
return storage
}
func newRBACAuthorizer(t *testing.T, superUser string, config *master.Config) authorizer.Authorizer {
newRESTOptions := func(resource string) generic.RESTOptions {
storageInterface, err := config.StorageFactory.New(rbacapi.Resource(resource))
if err != nil {
t.Fatalf("failed to get storage: %v", err)
}
return generic.RESTOptions{Storage: storageInterface, Decorator: generic.UndecoratedStorage}
}
roleRegistry := role.NewRegistry(roleetcd.NewREST(newRESTOptions("roles")))
roleBindingRegistry := rolebinding.NewRegistry(rolebindingetcd.NewREST(newRESTOptions("rolebindings")))
clusterRoleRegistry := clusterrole.NewRegistry(clusterroleetcd.NewREST(newRESTOptions("clusterroles")))
clusterRoleBindingRegistry := clusterrolebinding.NewRegistry(clusterrolebindingetcd.NewREST(newRESTOptions("clusterrolebindings")))
return rbac.New(roleRegistry, roleBindingRegistry, clusterRoleRegistry, clusterRoleBindingRegistry, superUser)
}
func TestNew(t *testing.T) {
// NOTE(ericchiang): Can't get this strategy to do reads. Get cryptic "client: etcd cluster is unavailable or misconfigured"
// Writes work fine, so use to test storing initial data.
server := etcdtesting.NewEtcdTestClientServer(t)
defer server.Terminate(t)
codec := testapi.Groups[rbac.GroupName].StorageCodec()
getRESTOptions := func(resource string) generic.RESTOptions {
cacheSize := etcdtest.DeserializationCacheSize
storage := etcd.NewEtcdStorage(server.Client, codec, resource, false, cacheSize)
return generic.RESTOptions{Storage: storage, Decorator: generic.UndecoratedStorage}
}
roleRegistry := role.NewRegistry(roleetcd.NewREST(getRESTOptions("roles")))
roleBindingRegistry := rolebinding.NewRegistry(rolebindingetcd.NewREST(getRESTOptions("rolebindings")))
clusterRoleRegistry := clusterrole.NewRegistry(clusterroleetcd.NewREST(getRESTOptions("clusterroles")))
clusterRoleBindingRegistry := clusterrolebinding.NewRegistry(clusterrolebindingetcd.NewREST(getRESTOptions("clusterrolebindings")))
_, err := New(roleRegistry, roleBindingRegistry, clusterRoleRegistry, clusterRoleBindingRegistry, "")
if err != nil {
t.Fatalf("failed to create authorizer: %v", err)
}
}
// Run runs the specified APIServer. This should never exit.
func Run(s *options.APIServer) error {
genericvalidation.VerifyEtcdServersList(s.ServerRunOptions)
genericapiserver.DefaultAndValidateRunOptions(s.ServerRunOptions)
capabilities.Initialize(capabilities.Capabilities{
AllowPrivileged: s.AllowPrivileged,
// TODO(vmarmol): Implement support for HostNetworkSources.
PrivilegedSources: capabilities.PrivilegedSources{
HostNetworkSources: []string{},
HostPIDSources: []string{},
HostIPCSources: []string{},
},
PerConnectionBandwidthLimitBytesPerSec: s.MaxConnectionBytesPerSec,
})
// Setup tunneler if needed
var tunneler genericapiserver.Tunneler
var proxyDialerFn apiserver.ProxyDialerFunc
if len(s.SSHUser) > 0 {
// Get ssh key distribution func, if supported
var installSSH genericapiserver.InstallSSHKey
cloud, err := cloudprovider.InitCloudProvider(s.CloudProvider, s.CloudConfigFile)
if err != nil {
glog.Fatalf("Cloud provider could not be initialized: %v", err)
}
if cloud != nil {
if instances, supported := cloud.Instances(); supported {
installSSH = instances.AddSSHKeyToAllInstances
}
}
if s.KubeletConfig.Port == 0 {
glog.Fatalf("Must enable kubelet port if proxy ssh-tunneling is specified.")
}
// Set up the tunneler
// TODO(cjcullen): If we want this to handle per-kubelet ports or other
// kubelet listen-addresses, we need to plumb through options.
healthCheckPath := &url.URL{
Scheme: "https",
Host: net.JoinHostPort("127.0.0.1", strconv.FormatUint(uint64(s.KubeletConfig.Port), 10)),
Path: "healthz",
}
tunneler = genericapiserver.NewSSHTunneler(s.SSHUser, s.SSHKeyfile, healthCheckPath, installSSH)
// Use the tunneler's dialer to connect to the kubelet
s.KubeletConfig.Dial = tunneler.Dial
// Use the tunneler's dialer when proxying to pods, services, and nodes
proxyDialerFn = tunneler.Dial
}
// Proxying to pods and services is IP-based... don't expect to be able to verify the hostname
proxyTLSClientConfig := &tls.Config{InsecureSkipVerify: true}
kubeletClient, err := kubeletclient.NewStaticKubeletClient(&s.KubeletConfig)
if err != nil {
glog.Fatalf("Failed to start kubelet client: %v", err)
}
if s.StorageConfig.DeserializationCacheSize == 0 {
// When size of cache is not explicitly set, estimate its size based on
// target memory usage.
glog.V(2).Infof("Initalizing deserialization cache size based on %dMB limit", s.TargetRAMMB)
// This is the heuristics that from memory capacity is trying to infer
// the maximum number of nodes in the cluster and set cache sizes based
// on that value.
// From our documentation, we officially recomment 120GB machines for
// 2000 nodes, and we scale from that point. Thus we assume ~60MB of
// capacity per node.
// TODO: We may consider deciding that some percentage of memory will
// be used for the deserialization cache and divide it by the max object
// size to compute its size. We may even go further and measure
// collective sizes of the objects in the cache.
clusterSize := s.TargetRAMMB / 60
s.StorageConfig.DeserializationCacheSize = 25 * clusterSize
if s.StorageConfig.DeserializationCacheSize < 1000 {
s.StorageConfig.DeserializationCacheSize = 1000
}
}
storageGroupsToEncodingVersion, err := s.StorageGroupsToEncodingVersion()
if err != nil {
glog.Fatalf("error generating storage version map: %s", err)
}
storageFactory, err := genericapiserver.BuildDefaultStorageFactory(
s.StorageConfig, s.DefaultStorageMediaType, api.Codecs,
genericapiserver.NewDefaultResourceEncodingConfig(), storageGroupsToEncodingVersion,
// FIXME: this GroupVersionResource override should be configurable
[]unversioned.GroupVersionResource{batch.Resource("scheduledjobs").WithVersion("v2alpha1")},
master.DefaultAPIResourceConfigSource(), s.RuntimeConfig)
if err != nil {
glog.Fatalf("error in initializing storage factory: %s", err)
}
storageFactory.AddCohabitatingResources(batch.Resource("jobs"), extensions.Resource("jobs"))
storageFactory.AddCohabitatingResources(autoscaling.Resource("horizontalpodautoscalers"), extensions.Resource("horizontalpodautoscalers"))
for _, override := range s.EtcdServersOverrides {
tokens := strings.Split(override, "#")
if len(tokens) != 2 {
glog.Errorf("invalid value of etcd server overrides: %s", override)
continue
}
apiresource := strings.Split(tokens[0], "/")
if len(apiresource) != 2 {
glog.Errorf("invalid resource definition: %s", tokens[0])
continue
}
group := apiresource[0]
resource := apiresource[1]
groupResource := unversioned.GroupResource{Group: group, Resource: resource}
servers := strings.Split(tokens[1], ";")
storageFactory.SetEtcdLocation(groupResource, servers)
}
// Default to the private server key for service account token signing
if s.ServiceAccountKeyFile == "" && s.TLSPrivateKeyFile != "" {
if authenticator.IsValidServiceAccountKeyFile(s.TLSPrivateKeyFile) {
s.ServiceAccountKeyFile = s.TLSPrivateKeyFile
} else {
glog.Warning("No RSA key provided, service account token authentication disabled")
}
}
var serviceAccountGetter serviceaccount.ServiceAccountTokenGetter
if s.ServiceAccountLookup {
// If we need to look up service accounts and tokens,
// go directly to etcd to avoid recursive auth insanity
storageConfig, err := storageFactory.NewConfig(api.Resource("serviceaccounts"))
if err != nil {
glog.Fatalf("Unable to get serviceaccounts storage: %v", err)
}
serviceAccountGetter = serviceaccountcontroller.NewGetterFromStorageInterface(storageConfig, storageFactory.ResourcePrefix(api.Resource("serviceaccounts")), storageFactory.ResourcePrefix(api.Resource("secrets")))
}
authenticator, err := authenticator.New(authenticator.AuthenticatorConfig{
BasicAuthFile: s.BasicAuthFile,
ClientCAFile: s.ClientCAFile,
TokenAuthFile: s.TokenAuthFile,
OIDCIssuerURL: s.OIDCIssuerURL,
OIDCClientID: s.OIDCClientID,
OIDCCAFile: s.OIDCCAFile,
OIDCUsernameClaim: s.OIDCUsernameClaim,
OIDCGroupsClaim: s.OIDCGroupsClaim,
ServiceAccountKeyFile: s.ServiceAccountKeyFile,
ServiceAccountLookup: s.ServiceAccountLookup,
ServiceAccountTokenGetter: serviceAccountGetter,
KeystoneURL: s.KeystoneURL,
WebhookTokenAuthnConfigFile: s.WebhookTokenAuthnConfigFile,
WebhookTokenAuthnCacheTTL: s.WebhookTokenAuthnCacheTTL,
})
if err != nil {
glog.Fatalf("Invalid Authentication Config: %v", err)
}
authorizationModeNames := strings.Split(s.AuthorizationMode, ",")
modeEnabled := func(mode string) bool {
for _, m := range authorizationModeNames {
if m == mode {
return true
}
}
return false
}
authorizationConfig := authorizer.AuthorizationConfig{
PolicyFile: s.AuthorizationPolicyFile,
WebhookConfigFile: s.AuthorizationWebhookConfigFile,
WebhookCacheAuthorizedTTL: s.AuthorizationWebhookCacheAuthorizedTTL,
WebhookCacheUnauthorizedTTL: s.AuthorizationWebhookCacheUnauthorizedTTL,
RBACSuperUser: s.AuthorizationRBACSuperUser,
}
if modeEnabled(genericoptions.ModeRBAC) {
mustGetRESTOptions := func(resource string) generic.RESTOptions {
config, err := storageFactory.NewConfig(rbac.Resource(resource))
if err != nil {
glog.Fatalf("Unable to get %s storage: %v", resource, err)
}
return generic.RESTOptions{StorageConfig: config, Decorator: generic.UndecoratedStorage, ResourcePrefix: storageFactory.ResourcePrefix(rbac.Resource(resource))}
}
// For initial bootstrapping go directly to etcd to avoid privillege escalation check.
authorizationConfig.RBACRoleRegistry = role.NewRegistry(roleetcd.NewREST(mustGetRESTOptions("roles")))
authorizationConfig.RBACRoleBindingRegistry = rolebinding.NewRegistry(rolebindingetcd.NewREST(mustGetRESTOptions("rolebindings")))
authorizationConfig.RBACClusterRoleRegistry = clusterrole.NewRegistry(clusterroleetcd.NewREST(mustGetRESTOptions("clusterroles")))
authorizationConfig.RBACClusterRoleBindingRegistry = clusterrolebinding.NewRegistry(clusterrolebindingetcd.NewREST(mustGetRESTOptions("clusterrolebindings")))
}
authorizer, err := authorizer.NewAuthorizerFromAuthorizationConfig(authorizationModeNames, authorizationConfig)
if err != nil {
glog.Fatalf("Invalid Authorization Config: %v", err)
}
admissionControlPluginNames := strings.Split(s.AdmissionControl, ",")
client, err := s.NewSelfClient()
if err != nil {
glog.Errorf("Failed to create clientset: %v", err)
}
sharedInformers := informers.NewSharedInformerFactory(client, 10*time.Minute)
pluginInitializer := admission.NewPluginInitializer(sharedInformers)
admissionController, err := admission.NewFromPlugins(client, admissionControlPluginNames, s.AdmissionControlConfigFile, pluginInitializer)
if err != nil {
glog.Fatalf("Failed to initialize plugins: %v", err)
}
genericConfig := genericapiserver.NewConfig(s.ServerRunOptions)
// TODO: Move the following to generic api server as well.
genericConfig.StorageFactory = storageFactory
genericConfig.Authenticator = authenticator
genericConfig.SupportsBasicAuth = len(s.BasicAuthFile) > 0
genericConfig.Authorizer = authorizer
genericConfig.AuthorizerRBACSuperUser = s.AuthorizationRBACSuperUser
genericConfig.AdmissionControl = admissionController
genericConfig.APIResourceConfigSource = storageFactory.APIResourceConfigSource
genericConfig.MasterServiceNamespace = s.MasterServiceNamespace
genericConfig.ProxyDialer = proxyDialerFn
genericConfig.ProxyTLSClientConfig = proxyTLSClientConfig
genericConfig.Serializer = api.Codecs
genericConfig.OpenAPIInfo.Title = "Kubernetes"
config := &master.Config{
Config: genericConfig,
EnableCoreControllers: true,
DeleteCollectionWorkers: s.DeleteCollectionWorkers,
EventTTL: s.EventTTL,
KubeletClient: kubeletClient,
Tunneler: tunneler,
}
if s.EnableWatchCache {
glog.V(2).Infof("Initalizing cache sizes based on %dMB limit", s.TargetRAMMB)
cachesize.InitializeWatchCacheSizes(s.TargetRAMMB)
cachesize.SetWatchCacheSizes(s.WatchCacheSizes)
}
m, err := master.New(config)
if err != nil {
return err
}
sharedInformers.Start(wait.NeverStop)
m.Run(s.ServerRunOptions)
return nil
}
// Run runs the specified APIServer. This should never exit.
func Run(s *options.ServerRunOptions) error {
genericvalidation.VerifyEtcdServersList(s.ServerRunOptions)
genericapiserver.DefaultAndValidateRunOptions(s.ServerRunOptions)
// TODO: register cluster federation resources here.
resourceConfig := genericapiserver.NewResourceConfig()
storageGroupsToEncodingVersion, err := s.StorageGroupsToEncodingVersion()
if err != nil {
glog.Fatalf("error generating storage version map: %s", err)
}
storageFactory, err := genericapiserver.BuildDefaultStorageFactory(
s.StorageConfig, s.DefaultStorageMediaType, api.Codecs,
genericapiserver.NewDefaultResourceEncodingConfig(), storageGroupsToEncodingVersion,
[]unversioned.GroupVersionResource{}, resourceConfig, s.RuntimeConfig)
if err != nil {
glog.Fatalf("error in initializing storage factory: %s", err)
}
for _, override := range s.EtcdServersOverrides {
tokens := strings.Split(override, "#")
if len(tokens) != 2 {
glog.Errorf("invalid value of etcd server overrides: %s", override)
continue
}
apiresource := strings.Split(tokens[0], "/")
if len(apiresource) != 2 {
glog.Errorf("invalid resource definition: %s", tokens[0])
continue
}
group := apiresource[0]
resource := apiresource[1]
groupResource := unversioned.GroupResource{Group: group, Resource: resource}
servers := strings.Split(tokens[1], ";")
storageFactory.SetEtcdLocation(groupResource, servers)
}
authenticator, err := authenticator.New(authenticator.AuthenticatorConfig{
BasicAuthFile: s.BasicAuthFile,
ClientCAFile: s.ClientCAFile,
TokenAuthFile: s.TokenAuthFile,
OIDCIssuerURL: s.OIDCIssuerURL,
OIDCClientID: s.OIDCClientID,
OIDCCAFile: s.OIDCCAFile,
OIDCUsernameClaim: s.OIDCUsernameClaim,
OIDCGroupsClaim: s.OIDCGroupsClaim,
KeystoneURL: s.KeystoneURL,
})
if err != nil {
glog.Fatalf("Invalid Authentication Config: %v", err)
}
authorizationModeNames := strings.Split(s.AuthorizationMode, ",")
modeEnabled := func(mode string) bool {
for _, m := range authorizationModeNames {
if m == mode {
return true
}
}
return false
}
authorizationConfig := authorizer.AuthorizationConfig{
PolicyFile: s.AuthorizationPolicyFile,
WebhookConfigFile: s.AuthorizationWebhookConfigFile,
WebhookCacheAuthorizedTTL: s.AuthorizationWebhookCacheAuthorizedTTL,
WebhookCacheUnauthorizedTTL: s.AuthorizationWebhookCacheUnauthorizedTTL,
RBACSuperUser: s.AuthorizationRBACSuperUser,
}
if modeEnabled(genericoptions.ModeRBAC) {
mustGetRESTOptions := func(resource string) generic.RESTOptions {
config, err := storageFactory.NewConfig(rbac.Resource(resource))
if err != nil {
glog.Fatalf("Unable to get %s storage: %v", resource, err)
}
return generic.RESTOptions{StorageConfig: config, Decorator: generic.UndecoratedStorage, ResourcePrefix: storageFactory.ResourcePrefix(rbac.Resource(resource))}
}
// For initial bootstrapping go directly to etcd to avoid privillege escalation check.
authorizationConfig.RBACRoleRegistry = role.NewRegistry(roleetcd.NewREST(mustGetRESTOptions("roles")))
authorizationConfig.RBACRoleBindingRegistry = rolebinding.NewRegistry(rolebindingetcd.NewREST(mustGetRESTOptions("rolebindings")))
authorizationConfig.RBACClusterRoleRegistry = clusterrole.NewRegistry(clusterroleetcd.NewREST(mustGetRESTOptions("clusterroles")))
authorizationConfig.RBACClusterRoleBindingRegistry = clusterrolebinding.NewRegistry(clusterrolebindingetcd.NewREST(mustGetRESTOptions("clusterrolebindings")))
}
authorizer, err := authorizer.NewAuthorizerFromAuthorizationConfig(authorizationModeNames, authorizationConfig)
if err != nil {
glog.Fatalf("Invalid Authorization Config: %v", err)
}
admissionControlPluginNames := strings.Split(s.AdmissionControl, ",")
client, err := s.NewSelfClient()
if err != nil {
glog.Errorf("Failed to create clientset: %v", err)
}
sharedInformers := informers.NewSharedInformerFactory(client, 10*time.Minute)
pluginInitializer := admission.NewPluginInitializer(sharedInformers)
admissionController, err := admission.NewFromPlugins(client, admissionControlPluginNames, s.AdmissionControlConfigFile, pluginInitializer)
if err != nil {
glog.Fatalf("Failed to initialize plugins: %v", err)
}
genericConfig := genericapiserver.NewConfig(s.ServerRunOptions)
// TODO: Move the following to generic api server as well.
genericConfig.StorageFactory = storageFactory
genericConfig.Authenticator = authenticator
genericConfig.SupportsBasicAuth = len(s.BasicAuthFile) > 0
genericConfig.Authorizer = authorizer
genericConfig.AuthorizerRBACSuperUser = s.AuthorizationRBACSuperUser
genericConfig.AdmissionControl = admissionController
genericConfig.APIResourceConfigSource = storageFactory.APIResourceConfigSource
genericConfig.MasterServiceNamespace = s.MasterServiceNamespace
genericConfig.Serializer = api.Codecs
// TODO: Move this to generic api server (Need to move the command line flag).
if s.EnableWatchCache {
cachesize.InitializeWatchCacheSizes(s.TargetRAMMB)
cachesize.SetWatchCacheSizes(s.WatchCacheSizes)
}
m, err := genericConfig.New()
if err != nil {
return err
}
routes.UIRedirect{}.Install(m.Mux, m.HandlerContainer)
routes.Logs{}.Install(m.Mux, m.HandlerContainer)
installFederationAPIs(s, m, storageFactory)
installCoreAPIs(s, m, storageFactory)
installExtensionsAPIs(s, m, storageFactory)
sharedInformers.Start(wait.NeverStop)
m.Run(s.ServerRunOptions)
return nil
}
// Run runs the specified APIServer. This should never exit.
func Run(s *options.APIServer) error {
genericapiserver.DefaultAndValidateRunOptions(s.ServerRunOptions)
capabilities.Initialize(capabilities.Capabilities{
AllowPrivileged: s.AllowPrivileged,
// TODO(vmarmol): Implement support for HostNetworkSources.
PrivilegedSources: capabilities.PrivilegedSources{
HostNetworkSources: []string{},
HostPIDSources: []string{},
HostIPCSources: []string{},
},
PerConnectionBandwidthLimitBytesPerSec: s.MaxConnectionBytesPerSec,
})
// Setup tunneler if needed
var tunneler genericapiserver.Tunneler
var proxyDialerFn apiserver.ProxyDialerFunc
if len(s.SSHUser) > 0 {
// Get ssh key distribution func, if supported
var installSSH genericapiserver.InstallSSHKey
cloud, err := cloudprovider.InitCloudProvider(s.CloudProvider, s.CloudConfigFile)
if err != nil {
glog.Fatalf("Cloud provider could not be initialized: %v", err)
}
if cloud != nil {
if instances, supported := cloud.Instances(); supported {
installSSH = instances.AddSSHKeyToAllInstances
}
}
if s.KubeletConfig.Port == 0 {
glog.Fatalf("Must enable kubelet port if proxy ssh-tunneling is specified.")
}
// Set up the tunneler
// TODO(cjcullen): If we want this to handle per-kubelet ports or other
// kubelet listen-addresses, we need to plumb through options.
healthCheckPath := &url.URL{
Scheme: "https",
Host: net.JoinHostPort("127.0.0.1", strconv.FormatUint(uint64(s.KubeletConfig.Port), 10)),
Path: "healthz",
}
tunneler = genericapiserver.NewSSHTunneler(s.SSHUser, s.SSHKeyfile, healthCheckPath, installSSH)
// Use the tunneler's dialer to connect to the kubelet
s.KubeletConfig.Dial = tunneler.Dial
// Use the tunneler's dialer when proxying to pods, services, and nodes
proxyDialerFn = tunneler.Dial
}
// Proxying to pods and services is IP-based... don't expect to be able to verify the hostname
proxyTLSClientConfig := &tls.Config{InsecureSkipVerify: true}
kubeletClient, err := kubeletclient.NewStaticKubeletClient(&s.KubeletConfig)
if err != nil {
glog.Fatalf("Failure to start kubelet client: %v", err)
}
storageGroupsToEncodingVersion, err := s.StorageGroupsToEncodingVersion()
if err != nil {
glog.Fatalf("error generating storage version map: %s", err)
}
storageFactory, err := genericapiserver.BuildDefaultStorageFactory(
s.StorageConfig, s.DefaultStorageMediaType, api.Codecs,
genericapiserver.NewDefaultResourceEncodingConfig(), storageGroupsToEncodingVersion,
master.DefaultAPIResourceConfigSource(), s.RuntimeConfig)
if err != nil {
glog.Fatalf("error in initializing storage factory: %s", err)
}
storageFactory.AddCohabitatingResources(batch.Resource("jobs"), extensions.Resource("jobs"))
storageFactory.AddCohabitatingResources(autoscaling.Resource("horizontalpodautoscalers"), extensions.Resource("horizontalpodautoscalers"))
for _, override := range s.EtcdServersOverrides {
tokens := strings.Split(override, "#")
if len(tokens) != 2 {
glog.Errorf("invalid value of etcd server overrides: %s", override)
continue
}
apiresource := strings.Split(tokens[0], "/")
if len(apiresource) != 2 {
glog.Errorf("invalid resource definition: %s", tokens[0])
continue
}
group := apiresource[0]
resource := apiresource[1]
groupResource := unversioned.GroupResource{Group: group, Resource: resource}
servers := strings.Split(tokens[1], ";")
storageFactory.SetEtcdLocation(groupResource, servers)
}
// Default to the private server key for service account token signing
if s.ServiceAccountKeyFile == "" && s.TLSPrivateKeyFile != "" {
if authenticator.IsValidServiceAccountKeyFile(s.TLSPrivateKeyFile) {
s.ServiceAccountKeyFile = s.TLSPrivateKeyFile
} else {
glog.Warning("No RSA key provided, service account token authentication disabled")
}
}
var serviceAccountGetter serviceaccount.ServiceAccountTokenGetter
if s.ServiceAccountLookup {
// If we need to look up service accounts and tokens,
// go directly to etcd to avoid recursive auth insanity
storage, err := storageFactory.New(api.Resource("serviceaccounts"))
if err != nil {
glog.Fatalf("Unable to get serviceaccounts storage: %v", err)
}
serviceAccountGetter = serviceaccountcontroller.NewGetterFromStorageInterface(storage)
}
authenticator, err := authenticator.New(authenticator.AuthenticatorConfig{
BasicAuthFile: s.BasicAuthFile,
ClientCAFile: s.ClientCAFile,
TokenAuthFile: s.TokenAuthFile,
OIDCIssuerURL: s.OIDCIssuerURL,
OIDCClientID: s.OIDCClientID,
OIDCCAFile: s.OIDCCAFile,
OIDCUsernameClaim: s.OIDCUsernameClaim,
OIDCGroupsClaim: s.OIDCGroupsClaim,
ServiceAccountKeyFile: s.ServiceAccountKeyFile,
ServiceAccountLookup: s.ServiceAccountLookup,
ServiceAccountTokenGetter: serviceAccountGetter,
KeystoneURL: s.KeystoneURL,
WebhookTokenAuthnConfigFile: s.WebhookTokenAuthnConfigFile,
WebhookTokenAuthnCacheTTL: s.WebhookTokenAuthnCacheTTL,
})
if err != nil {
glog.Fatalf("Invalid Authentication Config: %v", err)
}
authorizationModeNames := strings.Split(s.AuthorizationMode, ",")
modeEnabled := func(mode string) bool {
for _, m := range authorizationModeNames {
if m == mode {
return true
}
}
return false
}
authorizationConfig := apiserver.AuthorizationConfig{
PolicyFile: s.AuthorizationConfig.PolicyFile,
WebhookConfigFile: s.AuthorizationConfig.WebhookConfigFile,
WebhookCacheAuthorizedTTL: s.AuthorizationConfig.WebhookCacheAuthorizedTTL,
WebhookCacheUnauthorizedTTL: s.AuthorizationConfig.WebhookCacheUnauthorizedTTL,
RBACSuperUser: s.AuthorizationConfig.RBACSuperUser,
}
if modeEnabled(apiserver.ModeRBAC) {
mustGetRESTOptions := func(resource string) generic.RESTOptions {
s, err := storageFactory.New(api.Resource(resource))
if err != nil {
glog.Fatalf("Unable to get %s storage: %v", resource, err)
}
return generic.RESTOptions{Storage: s, Decorator: generic.UndecoratedStorage}
}
// For initial bootstrapping go directly to etcd to avoid privillege escalation check.
authorizationConfig.RBACRoleRegistry = role.NewRegistry(roleetcd.NewREST(mustGetRESTOptions("roles")))
authorizationConfig.RBACRoleBindingRegistry = rolebinding.NewRegistry(rolebindingetcd.NewREST(mustGetRESTOptions("rolebindings")))
authorizationConfig.RBACClusterRoleRegistry = clusterrole.NewRegistry(clusterroleetcd.NewREST(mustGetRESTOptions("clusterroles")))
authorizationConfig.RBACClusterRoleBindingRegistry = clusterrolebinding.NewRegistry(clusterrolebindingetcd.NewREST(mustGetRESTOptions("clusterrolebindings")))
}
authorizer, err := apiserver.NewAuthorizerFromAuthorizationConfig(authorizationModeNames, authorizationConfig)
if err != nil {
glog.Fatalf("Invalid Authorization Config: %v", err)
}
admissionControlPluginNames := strings.Split(s.AdmissionControl, ",")
client, err := s.NewSelfClient()
if err != nil {
glog.Errorf("Failed to create clientset: %v", err)
}
admissionController := admission.NewFromPlugins(client, admissionControlPluginNames, s.AdmissionControlConfigFile)
genericConfig := genericapiserver.NewConfig(s.ServerRunOptions)
// TODO: Move the following to generic api server as well.
genericConfig.StorageFactory = storageFactory
genericConfig.Authenticator = authenticator
genericConfig.SupportsBasicAuth = len(s.BasicAuthFile) > 0
genericConfig.Authorizer = authorizer
genericConfig.AuthorizerRBACSuperUser = s.AuthorizationConfig.RBACSuperUser
genericConfig.AdmissionControl = admissionController
genericConfig.APIResourceConfigSource = storageFactory.APIResourceConfigSource
genericConfig.MasterServiceNamespace = s.MasterServiceNamespace
genericConfig.ProxyDialer = proxyDialerFn
genericConfig.ProxyTLSClientConfig = proxyTLSClientConfig
genericConfig.Serializer = api.Codecs
config := &master.Config{
Config: genericConfig,
EnableCoreControllers: true,
DeleteCollectionWorkers: s.DeleteCollectionWorkers,
EventTTL: s.EventTTL,
KubeletClient: kubeletClient,
Tunneler: tunneler,
}
if s.EnableWatchCache {
cachesize.SetWatchCacheSizes(s.WatchCacheSizes)
}
m, err := master.New(config)
if err != nil {
return err
}
m.Run(s.ServerRunOptions)
return nil
}