// New returns a new instance of Master from the given config.
// Certain config fields will be set to a default value if unset,
// including:
// PortalNet
// MasterCount
// ReadOnlyPort
// ReadWritePort
// PublicAddress
// Certain config fields must be specified, including:
// KubeletClient
// Public fields:
// Handler -- The returned master has a field TopHandler which is an
// http.Handler which handles all the endpoints provided by the master,
// including the API, the UI, and miscelaneous debugging endpoints. All
// these are subject to authorization and authentication.
// InsecureHandler -- an http.Handler which handles all the same
// endpoints as Handler, but no authorization and authentication is done.
// Public methods:
// HandleWithAuth -- Allows caller to add an http.Handler for an endpoint
// that uses the same authentication and authorization (if any is configured)
// as the master's built-in endpoints.
// If the caller wants to add additional endpoints not using the master's
// auth, then the caller should create a handler for those endpoints, which delegates the
// any unhandled paths to "Handler".
func New(c *Config) *Master {
setDefaults(c)
minionRegistry := makeMinionRegistry(c)
serviceRegistry := etcd.NewRegistry(c.EtcdHelper, nil)
boundPodFactory := &pod.BasicBoundPodFactory{
ServiceRegistry: serviceRegistry,
MasterServiceNamespace: c.MasterServiceNamespace,
}
if c.KubeletClient == nil {
glog.Fatalf("master.New() called with config.KubeletClient == nil")
}
m := &Master{
podRegistry: etcd.NewRegistry(c.EtcdHelper, boundPodFactory),
controllerRegistry: etcd.NewRegistry(c.EtcdHelper, nil),
serviceRegistry: serviceRegistry,
endpointRegistry: etcd.NewRegistry(c.EtcdHelper, nil),
bindingRegistry: etcd.NewRegistry(c.EtcdHelper, boundPodFactory),
eventRegistry: event.NewEtcdRegistry(c.EtcdHelper, uint64(c.EventTTL.Seconds())),
minionRegistry: minionRegistry,
client: c.Client,
portalNet: c.PortalNet,
rootWebService: new(restful.WebService),
enableLogsSupport: c.EnableLogsSupport,
enableUISupport: c.EnableUISupport,
enableSwaggerSupport: c.EnableSwaggerSupport,
apiPrefix: c.APIPrefix,
corsAllowedOriginList: c.CorsAllowedOriginList,
authenticator: c.Authenticator,
authorizer: c.Authorizer,
admissionControl: c.AdmissionControl,
v1beta3: c.EnableV1Beta3,
nodeIPCache: NewIPCache(c.Cloud, util.RealClock{}, 30*time.Second),
masterCount: c.MasterCount,
readOnlyServer: net.JoinHostPort(c.PublicAddress, strconv.Itoa(int(c.ReadOnlyPort))),
readWriteServer: net.JoinHostPort(c.PublicAddress, strconv.Itoa(int(c.ReadWritePort))),
}
if c.RestfulContainer != nil {
m.mux = c.RestfulContainer.ServeMux
m.handlerContainer = c.RestfulContainer
} else {
mux := http.NewServeMux()
m.mux = mux
m.handlerContainer = NewHandlerContainer(mux)
}
m.masterServices = util.NewRunner(m.serviceWriterLoop, m.roServiceWriterLoop)
m.init(c)
return m
}
// New returns a new instance of Master from the given config.
// Certain config fields will be set to a default value if unset,
// including:
// PortalNet
// MasterCount
// ReadOnlyPort
// ReadWritePort
// PublicAddress
// Certain config fields must be specified, including:
// KubeletClient
// Public fields:
// Handler -- The returned master has a field TopHandler which is an
// http.Handler which handles all the endpoints provided by the master,
// including the API, the UI, and miscelaneous debugging endpoints. All
// these are subject to authorization and authentication.
// InsecureHandler -- an http.Handler which handles all the same
// endpoints as Handler, but no authorization and authentication is done.
// Public methods:
// HandleWithAuth -- Allows caller to add an http.Handler for an endpoint
// that uses the same authentication and authorization (if any is configured)
// as the master's built-in endpoints.
// If the caller wants to add additional endpoints not using the master's
// auth, then the caller should create a handler for those endpoints, which delegates the
// any unhandled paths to "Handler".
func New(c *Config) *Master {
setDefaults(c)
minionRegistry := makeMinionRegistry(c)
serviceRegistry := etcd.NewRegistry(c.EtcdHelper, nil)
boundPodFactory := &pod.BasicBoundPodFactory{
ServiceRegistry: serviceRegistry,
}
if c.KubeletClient == nil {
glog.Fatalf("master.New() called with config.KubeletClient == nil")
}
mx := http.NewServeMux()
m := &Master{
podRegistry: etcd.NewRegistry(c.EtcdHelper, boundPodFactory),
controllerRegistry: etcd.NewRegistry(c.EtcdHelper, nil),
serviceRegistry: serviceRegistry,
endpointRegistry: etcd.NewRegistry(c.EtcdHelper, nil),
bindingRegistry: etcd.NewRegistry(c.EtcdHelper, boundPodFactory),
eventRegistry: event.NewEtcdRegistry(c.EtcdHelper, uint64(c.EventTTL.Seconds())),
minionRegistry: minionRegistry,
client: c.Client,
portalNet: c.PortalNet,
mux: mx,
handlerContainer: NewHandlerContainer(mx),
rootWebService: new(restful.WebService),
enableLogsSupport: c.EnableLogsSupport,
enableUISupport: c.EnableUISupport,
apiPrefix: c.APIPrefix,
corsAllowedOriginList: c.CorsAllowedOriginList,
authenticator: c.Authenticator,
authorizer: c.Authorizer,
masterCount: c.MasterCount,
readOnlyServer: net.JoinHostPort(c.PublicAddress, strconv.Itoa(int(c.ReadOnlyPort))),
readWriteServer: net.JoinHostPort(c.PublicAddress, strconv.Itoa(int(c.ReadWritePort))),
}
m.masterServices = util.NewRunner(m.serviceWriterLoop, m.roServiceWriterLoop)
m.init(c)
return m
}
// init initializes master.
func (m *Master) init(c *Config) {
healthzChecks := []healthz.HealthzChecker{}
m.clock = util.RealClock{}
podStorage := podetcd.NewStorage(c.DatabaseStorage, c.KubeletClient)
podRegistry := pod.NewRegistry(podStorage.Pod)
podTemplateStorage := podtemplateetcd.NewREST(c.DatabaseStorage)
eventRegistry := event.NewEtcdRegistry(c.DatabaseStorage, uint64(c.EventTTL.Seconds()))
limitRangeRegistry := limitrange.NewEtcdRegistry(c.DatabaseStorage)
resourceQuotaStorage, resourceQuotaStatusStorage := resourcequotaetcd.NewStorage(c.DatabaseStorage)
secretStorage := secretetcd.NewStorage(c.DatabaseStorage)
serviceAccountStorage := serviceaccountetcd.NewStorage(c.DatabaseStorage)
persistentVolumeStorage, persistentVolumeStatusStorage := pvetcd.NewStorage(c.DatabaseStorage)
persistentVolumeClaimStorage, persistentVolumeClaimStatusStorage := pvcetcd.NewStorage(c.DatabaseStorage)
namespaceStorage, namespaceStatusStorage, namespaceFinalizeStorage := namespaceetcd.NewStorage(c.DatabaseStorage)
m.namespaceRegistry = namespace.NewRegistry(namespaceStorage)
endpointsStorage := endpointsetcd.NewStorage(c.DatabaseStorage)
m.endpointRegistry = endpoint.NewRegistry(endpointsStorage)
nodeStorage, nodeStatusStorage := nodeetcd.NewStorage(c.DatabaseStorage, c.KubeletClient)
m.nodeRegistry = minion.NewRegistry(nodeStorage)
// TODO: split me up into distinct storage registries
registry := etcd.NewRegistry(c.DatabaseStorage, podRegistry, m.endpointRegistry)
m.serviceRegistry = registry
var serviceClusterIPRegistry service.RangeRegistry
serviceClusterIPAllocator := ipallocator.NewAllocatorCIDRRange(m.serviceClusterIPRange, func(max int, rangeSpec string) allocator.Interface {
mem := allocator.NewAllocationMap(max, rangeSpec)
etcd := etcdallocator.NewEtcd(mem, "/ranges/serviceips", "serviceipallocation", c.DatabaseStorage)
serviceClusterIPRegistry = etcd
return etcd
})
m.serviceClusterIPAllocator = serviceClusterIPRegistry
var serviceNodePortRegistry service.RangeRegistry
serviceNodePortAllocator := portallocator.NewPortAllocatorCustom(m.serviceNodePortRange, func(max int, rangeSpec string) allocator.Interface {
mem := allocator.NewAllocationMap(max, rangeSpec)
etcd := etcdallocator.NewEtcd(mem, "/ranges/servicenodeports", "servicenodeportallocation", c.DatabaseStorage)
serviceNodePortRegistry = etcd
return etcd
})
m.serviceNodePortAllocator = serviceNodePortRegistry
controllerStorage := controlleretcd.NewREST(c.DatabaseStorage)
// TODO: Factor out the core API registration
m.storage = map[string]rest.Storage{
"pods": podStorage.Pod,
"pods/status": podStorage.Status,
"pods/log": podStorage.Log,
"pods/exec": podStorage.Exec,
"pods/portforward": podStorage.PortForward,
"pods/proxy": podStorage.Proxy,
"pods/binding": podStorage.Binding,
"bindings": podStorage.Binding,
"podTemplates": podTemplateStorage,
"replicationControllers": controllerStorage,
"services": service.NewStorage(m.serviceRegistry, m.nodeRegistry, m.endpointRegistry, serviceClusterIPAllocator, serviceNodePortAllocator, c.ClusterName),
"endpoints": endpointsStorage,
"nodes": nodeStorage,
"nodes/status": nodeStatusStorage,
"events": event.NewStorage(eventRegistry),
"limitRanges": limitrange.NewStorage(limitRangeRegistry),
"resourceQuotas": resourceQuotaStorage,
"resourceQuotas/status": resourceQuotaStatusStorage,
"namespaces": namespaceStorage,
"namespaces/status": namespaceStatusStorage,
"namespaces/finalize": namespaceFinalizeStorage,
"secrets": secretStorage,
"serviceAccounts": serviceAccountStorage,
"persistentVolumes": persistentVolumeStorage,
"persistentVolumes/status": persistentVolumeStatusStorage,
"persistentVolumeClaims": persistentVolumeClaimStorage,
"persistentVolumeClaims/status": persistentVolumeClaimStatusStorage,
"componentStatuses": componentstatus.NewStorage(func() map[string]apiserver.Server { return m.getServersToValidate(c) }),
}
// establish the node proxy dialer
if len(c.SSHUser) > 0 {
// Usernames are capped @ 32
if len(c.SSHUser) > 32 {
glog.Warning("SSH User is too long, truncating to 32 chars")
c.SSHUser = c.SSHUser[0:32]
}
glog.Infof("Setting up proxy: %s %s", c.SSHUser, c.SSHKeyfile)
// public keyfile is written last, so check for that.
publicKeyFile := c.SSHKeyfile + ".pub"
exists, err := util.FileExists(publicKeyFile)
if err != nil {
glog.Errorf("Error detecting if key exists: %v", err)
} else if !exists {
glog.Infof("Key doesn't exist, attempting to create")
err := m.generateSSHKey(c.SSHUser, c.SSHKeyfile, publicKeyFile)
if err != nil {
glog.Errorf("Failed to create key pair: %v", err)
}
}
m.tunnels = &util.SSHTunnelList{}
m.dialer = m.Dial
m.setupSecureProxy(c.SSHUser, c.SSHKeyfile, publicKeyFile)
m.lastSync = m.clock.Now().Unix()
// This is pretty ugly. A better solution would be to pull this all the way up into the
// server.go file.
httpKubeletClient, ok := c.KubeletClient.(*client.HTTPKubeletClient)
if ok {
httpKubeletClient.Config.Dial = m.dialer
transport, err := client.MakeTransport(httpKubeletClient.Config)
if err != nil {
glog.Errorf("Error setting up transport over SSH: %v", err)
} else {
httpKubeletClient.Client.Transport = transport
}
} else {
glog.Errorf("Failed to cast %v to HTTPKubeletClient, skipping SSH tunnel.")
}
healthzChecks = append(healthzChecks, healthz.NamedCheck("SSH Tunnel Check", m.IsTunnelSyncHealthy))
m.lastSyncMetric = prometheus.NewGaugeFunc(prometheus.GaugeOpts{
Name: "apiserver_proxy_tunnel_sync_latency_secs",
Help: "The time since the last successful synchronization of the SSH tunnels for proxy requests.",
}, func() float64 { return float64(m.secondsSinceSync()) })
}
apiVersions := []string{}
if m.v1 {
if err := m.api_v1().InstallREST(m.handlerContainer); err != nil {
glog.Fatalf("Unable to setup API v1: %v", err)
}
apiVersions = append(apiVersions, "v1")
}
apiserver.InstallSupport(m.muxHelper, m.rootWebService, c.EnableProfiling, healthzChecks...)
apiserver.AddApiWebService(m.handlerContainer, c.APIPrefix, apiVersions)
defaultVersion := m.defaultAPIGroupVersion()
requestInfoResolver := &apiserver.APIRequestInfoResolver{util.NewStringSet(strings.TrimPrefix(defaultVersion.Root, "/")), defaultVersion.Mapper}
apiserver.InstallServiceErrorHandler(m.handlerContainer, requestInfoResolver, apiVersions)
// Register root handler.
// We do not register this using restful Webservice since we do not want to surface this in api docs.
// Allow master to be embedded in contexts which already have something registered at the root
if c.EnableIndex {
m.mux.HandleFunc("/", apiserver.IndexHandler(m.handlerContainer, m.muxHelper))
}
if c.EnableLogsSupport {
apiserver.InstallLogsSupport(m.muxHelper)
}
if c.EnableUISupport {
ui.InstallSupport(m.muxHelper, m.enableSwaggerSupport)
}
if c.EnableProfiling {
m.mux.HandleFunc("/debug/pprof/", pprof.Index)
m.mux.HandleFunc("/debug/pprof/profile", pprof.Profile)
m.mux.HandleFunc("/debug/pprof/symbol", pprof.Symbol)
}
handler := http.Handler(m.mux.(*http.ServeMux))
// TODO: handle CORS and auth using go-restful
// See github.com/emicklei/go-restful/blob/master/examples/restful-CORS-filter.go, and
// github.com/emicklei/go-restful/blob/master/examples/restful-basic-authentication.go
if len(c.CorsAllowedOriginList) > 0 {
allowedOriginRegexps, err := util.CompileRegexps(c.CorsAllowedOriginList)
if err != nil {
glog.Fatalf("Invalid CORS allowed origin, --cors_allowed_origins flag was set to %v - %v", strings.Join(c.CorsAllowedOriginList, ","), err)
}
handler = apiserver.CORS(handler, allowedOriginRegexps, nil, nil, "true")
}
m.InsecureHandler = handler
attributeGetter := apiserver.NewRequestAttributeGetter(m.requestContextMapper, latest.RESTMapper, "api")
handler = apiserver.WithAuthorizationCheck(handler, attributeGetter, m.authorizer)
// Install Authenticator
if c.Authenticator != nil {
authenticatedHandler, err := handlers.NewRequestAuthenticator(m.requestContextMapper, c.Authenticator, handlers.Unauthorized(c.SupportsBasicAuth), handler)
if err != nil {
glog.Fatalf("Could not initialize authenticator: %v", err)
}
handler = authenticatedHandler
}
// Install root web services
m.handlerContainer.Add(m.rootWebService)
// TODO: Make this optional? Consumers of master depend on this currently.
m.Handler = handler
if m.enableSwaggerSupport {
m.InstallSwaggerAPI()
}
// After all wrapping is done, put a context filter around both handlers
if handler, err := api.NewRequestContextFilter(m.requestContextMapper, m.Handler); err != nil {
glog.Fatalf("Could not initialize request context filter: %v", err)
} else {
m.Handler = handler
}
if handler, err := api.NewRequestContextFilter(m.requestContextMapper, m.InsecureHandler); err != nil {
glog.Fatalf("Could not initialize request context filter: %v", err)
} else {
m.InsecureHandler = handler
}
// TODO: Attempt clean shutdown?
if m.enableCoreControllers {
m.NewBootstrapController().Start()
}
}
// init initializes master.
func (m *Master) init(c *Config) {
// TODO: make initialization of the helper part of the Master, and allow some storage
// objects to have a newer storage version than the user's default.
newerHelper, err := NewEtcdHelper(c.EtcdHelper.Client, "v1beta3", DefaultEtcdPathPrefix)
if err != nil {
glog.Fatalf("Unable to setup storage for v1beta3: %v", err)
}
podStorage := podetcd.NewStorage(c.EtcdHelper, c.KubeletClient)
podRegistry := pod.NewRegistry(podStorage.Pod)
podTemplateStorage := podtemplateetcd.NewREST(newerHelper)
eventRegistry := event.NewEtcdRegistry(c.EtcdHelper, uint64(c.EventTTL.Seconds()))
limitRangeRegistry := limitrange.NewEtcdRegistry(c.EtcdHelper)
resourceQuotaStorage, resourceQuotaStatusStorage := resourcequotaetcd.NewStorage(c.EtcdHelper)
secretStorage := secretetcd.NewStorage(c.EtcdHelper)
serviceAccountStorage := serviceaccountetcd.NewStorage(c.EtcdHelper)
persistentVolumeStorage, persistentVolumeStatusStorage := pvetcd.NewStorage(c.EtcdHelper)
persistentVolumeClaimStorage, persistentVolumeClaimStatusStorage := pvcetcd.NewStorage(c.EtcdHelper)
securityContextConstraintsStorage := sccetcd.NewStorage(c.EtcdHelper)
namespaceStorage, namespaceStatusStorage, namespaceFinalizeStorage := namespaceetcd.NewStorage(c.EtcdHelper)
m.namespaceRegistry = namespace.NewRegistry(namespaceStorage)
endpointsStorage := endpointsetcd.NewStorage(c.EtcdHelper)
m.endpointRegistry = endpoint.NewRegistry(endpointsStorage)
nodeStorage, nodeStatusStorage := nodeetcd.NewStorage(c.EtcdHelper, c.KubeletClient)
m.nodeRegistry = minion.NewRegistry(nodeStorage)
// TODO: split me up into distinct storage registries
registry := etcd.NewRegistry(c.EtcdHelper, podRegistry, m.endpointRegistry)
m.serviceRegistry = registry
var portalRangeRegistry service.RangeRegistry
portalAllocator := ipallocator.NewAllocatorCIDRRange(m.portalNet, func(max int, rangeSpec string) allocator.Interface {
mem := allocator.NewAllocationMap(max, rangeSpec)
etcd := etcdallocator.NewEtcd(mem, "/ranges/serviceips", "serviceipallocation", c.EtcdHelper)
portalRangeRegistry = etcd
return etcd
})
m.portalAllocator = portalRangeRegistry
var serviceNodePortRegistry service.RangeRegistry
serviceNodePortAllocator := portallocator.NewPortAllocatorCustom(m.serviceNodePorts, func(max int, rangeSpec string) allocator.Interface {
mem := allocator.NewAllocationMap(max, rangeSpec)
etcd := etcdallocator.NewEtcd(mem, "/ranges/servicenodeports", "servicenodeportallocation", c.EtcdHelper)
serviceNodePortRegistry = etcd
return etcd
})
m.serviceNodePortAllocator = serviceNodePortRegistry
controllerStorage := controlleretcd.NewREST(c.EtcdHelper)
// TODO: Factor out the core API registration
m.storage = map[string]rest.Storage{
"pods": podStorage.Pod,
"pods/status": podStorage.Status,
"pods/log": podStorage.Log,
"pods/exec": podStorage.Exec,
"pods/portforward": podStorage.PortForward,
"pods/proxy": podStorage.Proxy,
"pods/binding": podStorage.Binding,
"bindings": podStorage.Binding,
"podTemplates": podTemplateStorage,
"replicationControllers": controllerStorage,
"services": service.NewStorage(m.serviceRegistry, m.nodeRegistry, m.endpointRegistry, portalAllocator, serviceNodePortAllocator, c.ClusterName),
"endpoints": endpointsStorage,
"minions": nodeStorage,
"minions/status": nodeStatusStorage,
"nodes": nodeStorage,
"nodes/status": nodeStatusStorage,
"events": event.NewStorage(eventRegistry),
"limitRanges": limitrange.NewStorage(limitRangeRegistry),
"resourceQuotas": resourceQuotaStorage,
"resourceQuotas/status": resourceQuotaStatusStorage,
"namespaces": namespaceStorage,
"namespaces/status": namespaceStatusStorage,
"namespaces/finalize": namespaceFinalizeStorage,
"secrets": secretStorage,
"serviceAccounts": serviceAccountStorage,
"securityContextConstraints": securityContextConstraintsStorage,
"persistentVolumes": persistentVolumeStorage,
"persistentVolumes/status": persistentVolumeStatusStorage,
"persistentVolumeClaims": persistentVolumeClaimStorage,
"persistentVolumeClaims/status": persistentVolumeClaimStatusStorage,
"componentStatuses": componentstatus.NewStorage(func() map[string]apiserver.Server { return m.getServersToValidate(c, false) }),
}
apiVersions := []string{}
if m.v1beta1 {
if err := m.api_v1beta1().InstallREST(m.handlerContainer); err != nil {
glog.Fatalf("Unable to setup API v1beta1: %v", err)
}
apiVersions = append(apiVersions, "v1beta1")
}
if m.v1beta2 {
if err := m.api_v1beta2().InstallREST(m.handlerContainer); err != nil {
glog.Fatalf("Unable to setup API v1beta2: %v", err)
}
apiVersions = append(apiVersions, "v1beta2")
}
if m.v1beta3 {
if err := m.api_v1beta3().InstallREST(m.handlerContainer); err != nil {
glog.Fatalf("Unable to setup API v1beta3: %v", err)
}
apiVersions = append(apiVersions, "v1beta3")
}
if m.v1 {
if err := m.api_v1().InstallREST(m.handlerContainer); err != nil {
glog.Fatalf("Unable to setup API v1: %v", err)
}
apiVersions = append(apiVersions, "v1")
}
apiserver.InstallSupport(m.muxHelper, m.rootWebService)
apiserver.AddApiWebService(m.handlerContainer, c.APIPrefix, apiVersions)
defaultVersion := m.defaultAPIGroupVersion()
requestInfoResolver := &apiserver.APIRequestInfoResolver{util.NewStringSet(strings.TrimPrefix(defaultVersion.Root, "/")), defaultVersion.Mapper}
apiserver.InstallServiceErrorHandler(m.handlerContainer, requestInfoResolver, apiVersions)
// Register root handler.
// We do not register this using restful Webservice since we do not want to surface this in api docs.
// Allow master to be embedded in contexts which already have something registered at the root
if c.EnableIndex {
m.mux.HandleFunc("/", apiserver.IndexHandler(m.handlerContainer, m.muxHelper))
}
// TODO: This is now deprecated. Should be removed once client dependencies are gone.
apiserver.InstallValidator(m.muxHelper, func() map[string]apiserver.Server { return m.getServersToValidate(c, true) })
if c.EnableLogsSupport {
apiserver.InstallLogsSupport(m.muxHelper)
}
if c.EnableUISupport {
ui.InstallSupport(m.muxHelper, m.enableSwaggerSupport)
}
if c.EnableProfiling {
m.mux.HandleFunc("/debug/pprof/", pprof.Index)
m.mux.HandleFunc("/debug/pprof/profile", pprof.Profile)
m.mux.HandleFunc("/debug/pprof/symbol", pprof.Symbol)
}
handler := http.Handler(m.mux.(*http.ServeMux))
// TODO: handle CORS and auth using go-restful
// See github.com/emicklei/go-restful/blob/master/examples/restful-CORS-filter.go, and
// github.com/emicklei/go-restful/blob/master/examples/restful-basic-authentication.go
if len(c.CorsAllowedOriginList) > 0 {
allowedOriginRegexps, err := util.CompileRegexps(c.CorsAllowedOriginList)
if err != nil {
glog.Fatalf("Invalid CORS allowed origin, --cors_allowed_origins flag was set to %v - %v", strings.Join(c.CorsAllowedOriginList, ","), err)
}
handler = apiserver.CORS(handler, allowedOriginRegexps, nil, nil, "true")
}
m.InsecureHandler = handler
attributeGetter := apiserver.NewRequestAttributeGetter(m.requestContextMapper, latest.RESTMapper, "api")
handler = apiserver.WithAuthorizationCheck(handler, attributeGetter, m.authorizer)
// Install Authenticator
if c.Authenticator != nil {
authenticatedHandler, err := handlers.NewRequestAuthenticator(m.requestContextMapper, c.Authenticator, handlers.Unauthorized(c.SupportsBasicAuth), handler)
if err != nil {
glog.Fatalf("Could not initialize authenticator: %v", err)
}
handler = authenticatedHandler
}
// Install root web services
m.handlerContainer.Add(m.rootWebService)
// TODO: Make this optional? Consumers of master depend on this currently.
m.Handler = handler
if m.enableSwaggerSupport {
m.InstallSwaggerAPI()
}
// After all wrapping is done, put a context filter around both handlers
if handler, err := api.NewRequestContextFilter(m.requestContextMapper, m.Handler); err != nil {
glog.Fatalf("Could not initialize request context filter: %v", err)
} else {
m.Handler = handler
}
if handler, err := api.NewRequestContextFilter(m.requestContextMapper, m.InsecureHandler); err != nil {
glog.Fatalf("Could not initialize request context filter: %v", err)
} else {
m.InsecureHandler = handler
}
// TODO: Attempt clean shutdown?
if m.enableCoreControllers {
m.NewBootstrapController().Start()
}
}
// init initializes master.
func (m *Master) init(c *Config) {
podStorage, bindingStorage, podStatusStorage := podetcd.NewREST(c.EtcdHelper)
podRegistry := pod.NewRegistry(podStorage)
eventRegistry := event.NewEtcdRegistry(c.EtcdHelper, uint64(c.EventTTL.Seconds()))
limitRangeRegistry := limitrange.NewEtcdRegistry(c.EtcdHelper)
resourceQuotaStorage, resourceQuotaStatusStorage := resourcequotaetcd.NewREST(c.EtcdHelper)
secretRegistry := secret.NewEtcdRegistry(c.EtcdHelper)
namespaceStorage := namespaceetcd.NewREST(c.EtcdHelper)
m.namespaceRegistry = namespace.NewRegistry(namespaceStorage)
// TODO: split me up into distinct storage registries
registry := etcd.NewRegistry(c.EtcdHelper, podRegistry)
m.serviceRegistry = registry
m.endpointRegistry = registry
m.nodeRegistry = registry
nodeStorage := minion.NewREST(m.nodeRegistry)
// TODO: unify the storage -> registry and storage -> client patterns
nodeStorageClient := RESTStorageToNodes(nodeStorage)
podCache := NewPodCache(
c.KubeletClient,
nodeStorageClient.Nodes(),
podRegistry,
)
if c.SyncPodStatus {
go util.Forever(podCache.UpdateAllContainers, m.cacheTimeout)
go util.Forever(podCache.GarbageCollectPodStatus, time.Minute*30)
podStorage = podStorage.WithPodStatus(podCache)
}
// TODO: Factor out the core API registration
m.storage = map[string]apiserver.RESTStorage{
"pods": podStorage,
"pods/status": podStatusStorage,
"pods/binding": bindingStorage,
"bindings": bindingStorage,
"replicationControllers": controller.NewREST(registry, podRegistry),
"services": service.NewREST(m.serviceRegistry, c.Cloud, m.nodeRegistry, m.portalNet, c.ClusterName),
"endpoints": endpoint.NewREST(m.endpointRegistry),
"minions": nodeStorage,
"nodes": nodeStorage,
"events": event.NewREST(eventRegistry),
"limitRanges": limitrange.NewREST(limitRangeRegistry),
"resourceQuotas": resourceQuotaStorage,
"resourceQuotas/status": resourceQuotaStatusStorage,
"namespaces": namespaceStorage,
"secrets": secret.NewREST(secretRegistry),
}
apiVersions := []string{"v1beta1", "v1beta2"}
if err := m.api_v1beta1().InstallREST(m.handlerContainer); err != nil {
glog.Fatalf("Unable to setup API v1beta1: %v", err)
}
if err := m.api_v1beta2().InstallREST(m.handlerContainer); err != nil {
glog.Fatalf("Unable to setup API v1beta2: %v", err)
}
if c.EnableV1Beta3 {
if err := m.api_v1beta3().InstallREST(m.handlerContainer); err != nil {
glog.Fatalf("Unable to setup API v1beta3: %v", err)
}
apiVersions = []string{"v1beta1", "v1beta2", "v1beta3"}
}
apiserver.InstallSupport(m.muxHelper, m.rootWebService)
apiserver.AddApiWebService(m.handlerContainer, c.APIPrefix, apiVersions)
// Register root handler.
// We do not register this using restful Webservice since we do not want to surface this in api docs.
// Allow master to be embedded in contexts which already have something registered at the root
if c.EnableIndex {
m.mux.HandleFunc("/", apiserver.IndexHandler(m.handlerContainer, m.muxHelper))
}
// TODO: use go-restful
apiserver.InstallValidator(m.muxHelper, func() map[string]apiserver.Server { return m.getServersToValidate(c) })
if c.EnableLogsSupport {
apiserver.InstallLogsSupport(m.muxHelper)
}
if c.EnableUISupport {
ui.InstallSupport(m.muxHelper, m.enableSwaggerSupport)
}
if c.EnableProfiling {
m.mux.HandleFunc("/debug/pprof/", pprof.Index)
m.mux.HandleFunc("/debug/pprof/profile", pprof.Profile)
m.mux.HandleFunc("/debug/pprof/symbol", pprof.Symbol)
}
handler := http.Handler(m.mux.(*http.ServeMux))
// TODO: handle CORS and auth using go-restful
// See github.com/emicklei/go-restful/blob/master/examples/restful-CORS-filter.go, and
// github.com/emicklei/go-restful/blob/master/examples/restful-basic-authentication.go
if len(c.CorsAllowedOriginList) > 0 {
allowedOriginRegexps, err := util.CompileRegexps(c.CorsAllowedOriginList)
if err != nil {
glog.Fatalf("Invalid CORS allowed origin, --cors_allowed_origins flag was set to %v - %v", strings.Join(c.CorsAllowedOriginList, ","), err)
}
handler = apiserver.CORS(handler, allowedOriginRegexps, nil, nil, "true")
}
m.InsecureHandler = handler
attributeGetter := apiserver.NewRequestAttributeGetter(m.requestContextMapper, latest.RESTMapper, "api")
handler = apiserver.WithAuthorizationCheck(handler, attributeGetter, m.authorizer)
// Install Authenticator
if c.Authenticator != nil {
authenticatedHandler, err := handlers.NewRequestAuthenticator(m.requestContextMapper, c.Authenticator, handlers.Unauthorized, handler)
if err != nil {
glog.Fatalf("Could not initialize authenticator: %v", err)
}
handler = authenticatedHandler
}
// Install root web services
m.handlerContainer.Add(m.rootWebService)
// TODO: Make this optional? Consumers of master depend on this currently.
m.Handler = handler
if m.enableSwaggerSupport {
m.InstallSwaggerAPI()
}
// After all wrapping is done, put a context filter around both handlers
if handler, err := api.NewRequestContextFilter(m.requestContextMapper, m.Handler); err != nil {
glog.Fatalf("Could not initialize request context filter: %v", err)
} else {
m.Handler = handler
}
if handler, err := api.NewRequestContextFilter(m.requestContextMapper, m.InsecureHandler); err != nil {
glog.Fatalf("Could not initialize request context filter: %v", err)
} else {
m.InsecureHandler = handler
}
// TODO: Attempt clean shutdown?
m.masterServices.Start()
}