// NewRequestAuthenticator creates an http handler that tries to authenticate the given request as a user, and then
// stores any such user found onto the provided context for the request. If authentication fails or returns an error
// the failed handler is used. On success, handler is invoked to serve the request.
func NewRequestAuthenticator(mapper api.RequestContextMapper, auth authenticator.Request, failed http.Handler, handler http.Handler) (http.Handler, error) {
return api.NewRequestContextFilter(
mapper,
http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
user, ok, err := auth.AuthenticateRequest(req)
if err != nil || !ok {
if err != nil {
glog.Errorf("Unable to authenticate the request due to an error: %v", err)
}
failed.ServeHTTP(w, req)
return
}
if ctx, ok := mapper.Get(req); ok {
mapper.Update(req, api.WithUser(ctx, user))
}
handler.ServeHTTP(w, req)
}),
)
}
// init initializes master.
func (m *Master) init(c *Config) {
podStorage := podetcd.NewStorage(c.EtcdHelper, c.QingletClient)
podRegistry := pod.NewRegistry(podStorage.Pod)
podTemplateStorage := podtemplateetcd.NewREST(c.EtcdHelper)
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)
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.QingletClient)
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 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.EtcdHelper)
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.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, serviceClusterIPAllocator, 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,
"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)
// This is pretty ugly. A better solution would be to pull this all the way up into the
// server.go file.
httpQingletClient, ok := c.QingletClient.(*client.HTTPQingletClient)
if ok {
httpQingletClient.Config.Dial = m.dialer
transport, err := client.MakeTransport(httpQingletClient.Config)
if err != nil {
glog.Errorf("Error setting up transport over SSH: %v", err)
} else {
httpQingletClient.Client.Transport = transport
}
} else {
glog.Errorf("Failed to cast %v to HTTPQingletClient, skipping SSH tunnel.")
}
}
apiVersions := []string{}
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, c.EnableProfiling)
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()
}
}