// initAPIVersionRoute initializes the osapi endpoint to behave similar to the upstream api endpoint
func initAPIVersionRoute(root *restful.WebService, prefix string, versions ...string) {
if len(versions) == 0 {
return
}
versionHandler := apiserver.APIVersionHandler(versions...)
root.Route(root.GET(prefix).To(versionHandler).
Doc("list supported server API versions").
Produces(restful.MIME_JSON).
Consumes(restful.MIME_JSON))
}
// init initializes master.
func (m *Master) init(c *Config) {
podCache := NewPodCache(c.KubeletClient, m.podRegistry)
go util.Forever(func() { podCache.UpdateAllContainers() }, time.Second*30)
var userContexts = handlers.NewUserRequestContext()
var authenticator authenticator.Request
if len(c.TokenAuthFile) != 0 {
tokenAuthenticator, err := tokenfile.New(c.TokenAuthFile)
if err != nil {
glog.Fatalf("Unable to load the token authentication file '%s': %v", c.TokenAuthFile, err)
}
authenticator = bearertoken.New(tokenAuthenticator)
}
m.storage = map[string]apiserver.RESTStorage{
"pods": pod.NewREST(&pod.RESTConfig{
CloudProvider: c.Cloud,
PodCache: podCache,
PodInfoGetter: c.KubeletClient,
Registry: m.podRegistry,
Minions: m.client.Minions(),
}),
"replicationControllers": controller.NewREST(m.controllerRegistry, m.podRegistry),
"services": service.NewREST(m.serviceRegistry, c.Cloud, m.minionRegistry, m.portalNet),
"endpoints": endpoint.NewREST(m.endpointRegistry),
"minions": minion.NewREST(m.minionRegistry),
"events": event.NewREST(m.eventRegistry),
// TODO: should appear only in scheduler API group.
"bindings": binding.NewREST(m.bindingRegistry),
}
apiserver.NewAPIGroup(m.API_v1beta1()).InstallREST(m.mux, c.APIPrefix+"/v1beta1")
apiserver.NewAPIGroup(m.API_v1beta2()).InstallREST(m.mux, c.APIPrefix+"/v1beta2")
versionHandler := apiserver.APIVersionHandler("v1beta1", "v1beta2")
m.mux.Handle(c.APIPrefix, versionHandler)
apiserver.InstallSupport(m.mux)
serversToValidate := m.getServersToValidate(c)
apiserver.InstallValidator(m.mux, serversToValidate)
if c.EnableLogsSupport {
apiserver.InstallLogsSupport(m.mux)
}
if c.EnableUISupport {
ui.InstallSupport(m.mux)
}
handler := http.Handler(m.mux.(*http.ServeMux))
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(userContexts)
handler = apiserver.WithAuthorizationCheck(handler, attributeGetter, m.authorizer)
// Install Authenticator
if authenticator != nil {
handler = handlers.NewRequestAuthenticator(userContexts, authenticator, handlers.Unauthorized, handler)
}
m.mux.HandleFunc("/_whoami", handleWhoAmI(authenticator))
m.Handler = handler
// TODO: Attempt clean shutdown?
m.masterServices.Start()
}
// init initializes master.
func (m *Master) init(c *Config) {
var userContexts = handlers.NewUserRequestContext()
var authenticator = c.Authenticator
ipCache := NewIPCache(c.Cloud, util.RealClock{}, 30*time.Second)
podCache := NewPodCache(
ipCache,
c.KubeletClient,
m.client.Minions(),
m.podRegistry,
)
go util.Forever(func() { podCache.UpdateAllContainers() }, time.Second*30)
// TODO: Factor out the core API registration
m.storage = map[string]apiserver.RESTStorage{
"pods": pod.NewREST(&pod.RESTConfig{
PodCache: podCache,
Registry: m.podRegistry,
}),
"replicationControllers": controller.NewREST(m.controllerRegistry, m.podRegistry),
"services": service.NewREST(m.serviceRegistry, c.Cloud, m.minionRegistry, m.portalNet),
"endpoints": endpoint.NewREST(m.endpointRegistry),
"minions": minion.NewREST(m.minionRegistry),
"events": event.NewREST(m.eventRegistry),
// TODO: should appear only in scheduler API group.
"bindings": binding.NewREST(m.bindingRegistry),
}
apiserver.NewAPIGroupVersion(m.API_v1beta1()).InstallREST(m.handlerContainer, c.APIPrefix, "v1beta1")
apiserver.NewAPIGroupVersion(m.API_v1beta2()).InstallREST(m.handlerContainer, c.APIPrefix, "v1beta2")
// TODO: InstallREST should register each version automatically
versionHandler := apiserver.APIVersionHandler("v1beta1", "v1beta2")
m.rootWebService.Route(m.rootWebService.GET(c.APIPrefix).To(versionHandler))
apiserver.InstallSupport(m.handlerContainer, m.rootWebService)
// TODO: use go-restful
serversToValidate := m.getServersToValidate(c)
apiserver.InstallValidator(m.mux, serversToValidate)
if c.EnableLogsSupport {
apiserver.InstallLogsSupport(m.mux)
}
if c.EnableUISupport {
ui.InstallSupport(m.mux)
}
// TODO: install runtime/pprof handler
// See github.com/emicklei/go-restful/blob/master/examples/restful-cpuprofiler-service.go
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(userContexts)
handler = apiserver.WithAuthorizationCheck(handler, attributeGetter, m.authorizer)
// Install Authenticator
if authenticator != nil {
handler = handlers.NewRequestAuthenticator(userContexts, authenticator, handlers.Unauthorized, handler)
}
// TODO: Remove temporary _whoami handler
m.rootWebService.Route(m.rootWebService.GET("/_whoami").To(handleWhoAmI(authenticator)))
// Install root web services
m.handlerContainer.Add(m.rootWebService)
// TODO: Make this optional?
// Enable swagger UI and discovery API
swaggerConfig := swagger.Config{
WebServices: m.handlerContainer.RegisteredWebServices(),
// TODO: Parameterize the path?
ApiPath: "/swaggerapi/",
// TODO: Distribute UI javascript and enable the UI
//SwaggerPath: "/swaggerui/",
//SwaggerFilePath: "/srv/apiserver/swagger/dist"
}
swagger.RegisterSwaggerService(swaggerConfig, m.handlerContainer)
m.Handler = handler
// TODO: Attempt clean shutdown?
m.masterServices.Start()
}