13399: If slurm refuses to renice past 10K, stop trying.
[arvados.git] / services / keep-web / handler.go
index 389ab73a0cc2159564a8884f33d7cd2feaa64850..7d17be6e7cfe8c59305b452c8d788bca5748acdc 100644 (file)
@@ -10,10 +10,10 @@ import (
        "html"
        "html/template"
        "io"
-       "log"
        "net/http"
        "net/url"
        "os"
+       "path/filepath"
        "sort"
        "strconv"
        "strings"
@@ -25,6 +25,7 @@ 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"
 )
 
@@ -163,6 +164,12 @@ var (
                "HEAD": true,
                "POST": true,
        }
+       // top-level dirs to serve with siteFS
+       siteFSDir = map[string]bool{
+               "":      true, // root directory
+               "by_id": true,
+               "users": true,
+       }
 )
 
 // ServeHTTP implements http.Handler.
@@ -176,6 +183,9 @@ 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() {
@@ -184,13 +194,12 @@ 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" {
@@ -250,7 +259,7 @@ func (h *handler) ServeHTTP(wOrig http.ResponseWriter, r *http.Request) {
        } else if r.URL.Path == "/status.json" {
                h.serveStatus(w, r)
                return
-       } else if r.URL.Path == "/" || (len(pathParts) >= 1 && pathParts[0] == "users") {
+       } else if siteFSDir[pathParts[0]] {
                useSiteFS = true
        } else if len(pathParts) >= 1 && strings.HasPrefix(pathParts[0], "c=") {
                // /c=ID[/PATH...]
@@ -307,6 +316,14 @@ func (h *handler) ServeHTTP(wOrig http.ResponseWriter, r *http.Request) {
                return
        }
 
+       if useSiteFS {
+               if tokens == nil {
+                       tokens = auth.NewCredentialsFromHTTPRequest(r).Tokens
+               }
+               h.serveSiteFS(w, r, tokens, credentialsOK, attachment)
+               return
+       }
+
        targetPath := pathParts[stripParts:]
        if tokens == nil && len(targetPath) > 0 && strings.HasPrefix(targetPath[0], "t=") {
                // http://ID.example/t=TOKEN/PATH...
@@ -328,11 +345,6 @@ func (h *handler) ServeHTTP(wOrig http.ResponseWriter, r *http.Request) {
                tokens = append(reqTokens, h.Config.AnonymousTokens...)
        }
 
-       if useSiteFS {
-               h.serveSiteFS(w, r, tokens, credentialsOK)
-               return
-       }
-
        if len(targetPath) > 0 && targetPath[0] == "_" {
                // If a collection has a directory called "t=foo" or
                // "_", it can be served at
@@ -410,6 +422,7 @@ 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 {
@@ -417,11 +430,11 @@ 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 {
@@ -499,7 +512,7 @@ func (h *handler) ServeHTTP(wOrig http.ResponseWriter, r *http.Request) {
        }
 }
 
-func (h *handler) serveSiteFS(w http.ResponseWriter, r *http.Request, tokens []string, credentialsOK bool) {
+func (h *handler) serveSiteFS(w http.ResponseWriter, r *http.Request, tokens []string, credentialsOK, attachment bool) {
        if len(tokens) == 0 {
                w.Header().Add("WWW-Authenticate", "Basic realm=\"collections\"")
                http.Error(w, http.StatusText(http.StatusUnauthorized), http.StatusUnauthorized)
@@ -522,11 +535,12 @@ 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) {
@@ -545,6 +559,10 @@ func (h *handler) serveSiteFS(w http.ResponseWriter, r *http.Request, tokens []s
                }
                return
        }
+       if r.Method == "GET" {
+               _, basename := filepath.Split(r.URL.Path)
+               applyContentDispositionHdr(w, r, basename, attachment)
+       }
        wh := webdav.Handler{
                Prefix: "/",
                FileSystem: &webdavFS{
@@ -604,9 +622,9 @@ the entire directory tree with wget, try:</P>
 <UL>
 {{range .Files}}
 {{if .IsDir }}
-  <LI>{{" " | printf "%15s  " | nbsp}}<A href="{{.Name}}/">{{.Name}}/</A></LI>
+  <LI>{{" " | printf "%15s  " | nbsp}}<A href="{{print "./" .Name}}/">{{.Name}}/</A></LI>
 {{else}}
-  <LI>{{.Size | printf "%15d  " | nbsp}}<A href="{{.Name}}">{{.Name}}</A></LI>
+  <LI>{{.Size | printf "%15d  " | nbsp}}<A href="{{print "./" .Name}}">{{.Name}}</A></LI>
 {{end}}
 {{end}}
 </UL>
@@ -758,6 +776,7 @@ 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(),