13146: Add "include" parameter and rename return field to "included"
[arvados.git] / services / keep-web / handler.go
index 0813ba7add172e2af932a120016a0636d86d2fdc..bb77e5859449f5e7e4783d76d02120c359d51085 100644 (file)
@@ -10,7 +10,6 @@ import (
        "html"
        "html/template"
        "io"
-       "log"
        "net/http"
        "net/url"
        "os"
@@ -26,11 +25,13 @@ import (
        "git.curoverse.com/arvados.git/sdk/go/health"
        "git.curoverse.com/arvados.git/sdk/go/httpserver"
        "git.curoverse.com/arvados.git/sdk/go/keepclient"
+       log "github.com/Sirupsen/logrus"
        "golang.org/x/net/webdav"
 )
 
 type handler struct {
        Config        *Config
+       MetricsAPI    http.Handler
        clientPool    *arvadosclient.ClientPool
        setupOnce     sync.Once
        healthHandler http.Handler
@@ -90,14 +91,7 @@ func (h *handler) setup() {
 }
 
 func (h *handler) serveStatus(w http.ResponseWriter, r *http.Request) {
-       status := struct {
-               cacheStats
-               Version string
-       }{
-               cacheStats: h.Config.Cache.Stats(),
-               Version:    version,
-       }
-       json.NewEncoder(w).Encode(status)
+       json.NewEncoder(w).Encode(struct{ Version string }{version})
 }
 
 // updateOnSuccess wraps httpserver.ResponseWriter. If the handler
@@ -183,6 +177,9 @@ func (h *handler) ServeHTTP(wOrig http.ResponseWriter, r *http.Request) {
        if xff := r.Header.Get("X-Forwarded-For"); xff != "" {
                remoteAddr = xff + "," + remoteAddr
        }
+       if xfp := r.Header.Get("X-Forwarded-Proto"); xfp != "" && xfp != "http" {
+               r.URL.Scheme = xfp
+       }
 
        w := httpserver.WrapResponseWriter(wOrig)
        defer func() {
@@ -191,13 +188,12 @@ func (h *handler) ServeHTTP(wOrig http.ResponseWriter, r *http.Request) {
                } else if w.WroteStatus() == 0 {
                        w.WriteHeader(statusCode)
                } else if w.WroteStatus() != statusCode {
-                       httpserver.Log(r.RemoteAddr, "WARNING",
+                       log.WithField("RequestID", r.Header.Get("X-Request-Id")).Warn(
                                fmt.Sprintf("Our status changed from %d to %d after we sent headers", w.WroteStatus(), statusCode))
                }
                if statusText == "" {
                        statusText = http.StatusText(statusCode)
                }
-               httpserver.Log(remoteAddr, statusCode, statusText, w.WroteBodyBytes(), r.Method, r.Host, r.URL.Path, r.URL.RawQuery)
        }()
 
        if strings.HasPrefix(r.URL.Path, "/_health/") && r.Method == "GET" {
@@ -257,6 +253,9 @@ func (h *handler) ServeHTTP(wOrig http.ResponseWriter, r *http.Request) {
        } else if r.URL.Path == "/status.json" {
                h.serveStatus(w, r)
                return
+       } else if strings.HasPrefix(r.URL.Path, "/metrics") {
+               h.MetricsAPI.ServeHTTP(w, r)
+               return
        } else if siteFSDir[pathParts[0]] {
                useSiteFS = true
        } else if len(pathParts) >= 1 && strings.HasPrefix(pathParts[0], "c=") {
@@ -420,6 +419,7 @@ func (h *handler) ServeHTTP(wOrig http.ResponseWriter, r *http.Request) {
                statusCode, statusText = http.StatusInternalServerError, err.Error()
                return
        }
+       kc.RequestID = r.Header.Get("X-Request-Id")
 
        var basename string
        if len(targetPath) > 0 {
@@ -427,11 +427,11 @@ func (h *handler) ServeHTTP(wOrig http.ResponseWriter, r *http.Request) {
        }
        applyContentDispositionHdr(w, r, basename, attachment)
 
-       client := &arvados.Client{
+       client := (&arvados.Client{
                APIHost:   arv.ApiServer,
                AuthToken: arv.ApiToken,
                Insecure:  arv.ApiInsecure,
-       }
+       }).WithRequestID(r.Header.Get("X-Request-Id"))
 
        fs, err := collection.FileSystem(client, kc)
        if err != nil {
@@ -532,11 +532,12 @@ func (h *handler) serveSiteFS(w http.ResponseWriter, r *http.Request, tokens []s
                http.Error(w, err.Error(), http.StatusInternalServerError)
                return
        }
-       client := &arvados.Client{
+       kc.RequestID = r.Header.Get("X-Request-Id")
+       client := (&arvados.Client{
                APIHost:   arv.ApiServer,
                AuthToken: arv.ApiToken,
                Insecure:  arv.ApiInsecure,
-       }
+       }).WithRequestID(r.Header.Get("X-Request-Id"))
        fs := client.SiteFileSystem(kc)
        f, err := fs.Open(r.URL.Path)
        if os.IsNotExist(err) {
@@ -772,6 +773,7 @@ func (h *handler) seeOtherWithCookie(w http.ResponseWriter, r *http.Request, loc
                u = newu
        }
        redir := (&url.URL{
+               Scheme:   r.URL.Scheme,
                Host:     r.Host,
                Path:     u.Path,
                RawQuery: redirQuery.Encode(),