package main import ( "log" "net" "net/http" "strings" "github.com/emicklei/go-restful" "novit.nc/direktil/pkg/localconfig" ) func buildWS() *restful.WebService { ws := &restful.WebService{} // configs API ws.Route(ws.POST("/configs").Filter(adminAuth).To(wsUploadConfig). Doc("Upload a new current configuration, archiving the previous one")) // clusters API ws.Route(ws.GET("/clusters").Filter(adminAuth).To(wsListClusters). Doc("List clusters")) ws.Route(ws.GET("/clusters/{cluster-name}").Filter(adminAuth).To(wsCluster). Doc("Get cluster details")) ws.Route(ws.GET("/clusters/{cluster-name}/addons").Filter(adminAuth).To(wsClusterAddons). Doc("Get cluster addons"). Returns(http.StatusOK, "OK", nil). Returns(http.StatusNotFound, "The cluster does not exists or does not have addons defined", nil)) // hosts API ws.Route(ws.GET("/hosts").Filter(hostsAuth).To(wsListHosts). Doc("List hosts")) (&wsHost{ prefix: "", getHost: detectHost, }).register(ws, func(rb *restful.RouteBuilder) { rb.Notes("In this case, the host is detected from the remote IP") }) (&wsHost{ prefix: "/hosts/{host-name}", getHost: func(req *restful.Request) string { return req.PathParameter("host-name") }, }).register(ws, func(rb *restful.RouteBuilder) { rb.Filter(adminAuth) }) return ws } func detectHost(req *restful.Request) string { r := req.Request remoteAddr := r.RemoteAddr if *trustXFF { if xff := r.Header.Get("X-Forwarded-For"); xff != "" { remoteAddr = strings.Split(xff, ",")[0] } } hostIP, _, err := net.SplitHostPort(remoteAddr) if err != nil { hostIP = remoteAddr } cfg, err := readConfig() if err != nil { return "" } host := cfg.HostByIP(hostIP) if host == nil { log.Print("no host found for IP ", hostIP) return "" } return host.Name } func wsReadConfig(resp *restful.Response) *localconfig.Config { cfg, err := readConfig() if err != nil { log.Print("failed to read config: ", err) resp.WriteErrorString(http.StatusServiceUnavailable, "failed to read config") return nil } return cfg } func wsNotFound(req *restful.Request, resp *restful.Response) { http.NotFound(resp.ResponseWriter, req.Request) } func wsError(resp *restful.Response, err error) { log.Print("request failed: ", err) resp.WriteErrorString( http.StatusInternalServerError, http.StatusText(http.StatusInternalServerError)) }