import (
"encoding/json"
+ "fmt"
"net/http"
+ "regexp"
+ "strings"
+ "time"
- "git.curoverse.com/arvados.git/sdk/go/arvados"
- "git.curoverse.com/arvados.git/sdk/go/httpserver"
+ "git.arvados.org/arvados.git/sdk/go/arvados"
+ "git.arvados.org/arvados.git/sdk/go/httpserver"
)
+const rfc3339NanoFixed = "2006-01-02T15:04:05.000000000Z07:00"
+
type responseOptions struct {
Select []string
+ Count string
}
func (rtr *router) responseOptions(opts interface{}) (responseOptions, error) {
switch opts := opts.(type) {
case *arvados.GetOptions:
rOpts.Select = opts.Select
+ case *arvados.ListOptions:
+ rOpts.Select = opts.Select
+ rOpts.Count = opts.Count
+ case *arvados.GroupContentsOptions:
+ rOpts.Select = opts.Select
+ rOpts.Count = opts.Count
}
return rOpts, nil
}
-func (rtr *router) sendResponse(w http.ResponseWriter, resp interface{}, opts responseOptions) {
+func applySelectParam(selectParam []string, orig map[string]interface{}) map[string]interface{} {
+ if len(selectParam) == 0 {
+ return orig
+ }
+ selected := map[string]interface{}{}
+ for _, attr := range selectParam {
+ if v, ok := orig[attr]; ok {
+ selected[attr] = v
+ }
+ }
+ // Some keys are always preserved, even if not requested
+ for _, k := range []string{"etag", "kind", "writable_by"} {
+ if v, ok := orig[k]; ok {
+ selected[k] = v
+ }
+ }
+ return selected
+}
+
+func (rtr *router) sendResponse(w http.ResponseWriter, req *http.Request, resp interface{}, opts responseOptions) {
var tmp map[string]interface{}
+
+ if resp, ok := resp.(http.Handler); ok {
+ // resp knows how to write its own http response
+ // header and body.
+ resp.ServeHTTP(w, req)
+ return
+ }
+
err := rtr.transcode(resp, &tmp)
if err != nil {
rtr.sendError(w, err)
return
}
- if len(opts.Select) > 0 {
- selected := map[string]interface{}{}
- for _, attr := range opts.Select {
- if v, ok := tmp[attr]; ok {
- selected[attr] = v
+
+ respKind := kind(resp)
+ if respKind != "" {
+ tmp["kind"] = respKind
+ }
+ if included, ok := tmp["included"]; ok && included == nil {
+ tmp["included"] = make([]interface{}, 0)
+ }
+ defaultItemKind := ""
+ if strings.HasSuffix(respKind, "List") {
+ defaultItemKind = strings.TrimSuffix(respKind, "List")
+ }
+
+ if _, isListResponse := tmp["items"].([]interface{}); isListResponse {
+ items, _ := tmp["items"].([]interface{})
+ included, _ := tmp["included"].([]interface{})
+ for _, slice := range [][]interface{}{items, included} {
+ for i, item := range slice {
+ // Fill in "kind" by inspecting UUID/PDH if
+ // possible; fall back on assuming each
+ // Items[] entry in an "arvados#fooList"
+ // response should have kind="arvados#foo".
+ item, _ := item.(map[string]interface{})
+ infix := ""
+ if uuid, _ := item["uuid"].(string); len(uuid) == 27 {
+ infix = uuid[6:11]
+ }
+ if k := kind(infixMap[infix]); k != "" {
+ item["kind"] = k
+ } else if pdh, _ := item["portable_data_hash"].(string); pdh != "" {
+ item["kind"] = "arvados#collection"
+ } else if defaultItemKind != "" {
+ item["kind"] = defaultItemKind
+ }
+ item = applySelectParam(opts.Select, item)
+ rtr.mungeItemFields(item)
+ slice[i] = item
}
}
- tmp = selected
+ if opts.Count == "none" {
+ delete(tmp, "items_available")
+ }
+ } else {
+ tmp = applySelectParam(opts.Select, tmp)
+ rtr.mungeItemFields(tmp)
}
- json.NewEncoder(w).Encode(tmp)
+
+ w.Header().Set("Content-Type", "application/json")
+ enc := json.NewEncoder(w)
+ enc.SetEscapeHTML(false)
+ enc.Encode(tmp)
}
func (rtr *router) sendError(w http.ResponseWriter, err error) {
}
httpserver.Error(w, err.Error(), code)
}
+
+var infixMap = map[string]interface{}{
+ "4zz18": arvados.Collection{},
+ "xvhdp": arvados.ContainerRequest{},
+ "dz642": arvados.Container{},
+ "j7d0g": arvados.Group{},
+ "8i9sb": arvados.Job{},
+ "d1hrv": arvados.PipelineInstance{},
+ "p5p6p": arvados.PipelineTemplate{},
+ "j58dm": arvados.Specimen{},
+ "q1cn2": arvados.Trait{},
+ "7fd4e": arvados.Workflow{},
+}
+
+var mungeKind = regexp.MustCompile(`\..`)
+
+func kind(resp interface{}) string {
+ t := fmt.Sprintf("%T", resp)
+ if !strings.HasPrefix(t, "arvados.") {
+ return ""
+ }
+ return mungeKind.ReplaceAllStringFunc(t, func(s string) string {
+ // "arvados.CollectionList" => "arvados#collectionList"
+ return "#" + strings.ToLower(s[1:])
+ })
+}
+
+func (rtr *router) mungeItemFields(tmp map[string]interface{}) {
+ for k, v := range tmp {
+ if strings.HasSuffix(k, "_at") {
+ // Format non-nil timestamps as
+ // rfc3339NanoFixed (otherwise they would use
+ // the default time encoding, which omits
+ // trailing zeroes).
+ switch tv := v.(type) {
+ case *time.Time:
+ if tv == nil || tv.IsZero() {
+ tmp[k] = nil
+ } else {
+ tmp[k] = tv.Format(rfc3339NanoFixed)
+ }
+ case time.Time:
+ if tv.IsZero() {
+ tmp[k] = nil
+ } else {
+ tmp[k] = tv.Format(rfc3339NanoFixed)
+ }
+ case string:
+ if tv == "" {
+ tmp[k] = nil
+ } else if t, err := time.Parse(time.RFC3339Nano, tv); err != nil {
+ // pass through an invalid time value (?)
+ } else if t.IsZero() {
+ tmp[k] = nil
+ } else {
+ tmp[k] = t.Format(rfc3339NanoFixed)
+ }
+ }
+ }
+ // Arvados API spec says when these fields are empty
+ // they appear in responses as null, rather than a
+ // zero value.
+ switch k {
+ case "output_uuid", "output_name", "log_uuid", "description", "requesting_container_uuid", "container_uuid":
+ if v == "" {
+ tmp[k] = nil
+ }
+ case "container_count_max":
+ if v == float64(0) {
+ tmp[k] = nil
+ }
+ }
+ }
+}
projects / arvados.git / blobdiff