// GetApiConfigs creates APIDescriptor for every registered RPCService and
// responds with a config suitable for generating Discovery doc.
//
// Responds with a list of active APIs and their configuration files.
func (s *BackendService) GetApiConfigs(
r *http.Request, req *GetAPIConfigsRequest, resp *APIConfigsList) error {
c := appengine.NewContext(r)
if req.AppRevision != "" {
revision := strings.Split(appengine.VersionID(c), ".")[1]
if req.AppRevision != revision {
err := fmt.Errorf(
"API backend app revision %s not the same as expected %s",
revision, req.AppRevision)
c.Errorf("%s", err)
return err
}
}
resp.Items = make([]string, 0)
for _, service := range s.server.services.services {
if service.internal {
continue
}
d := &APIDescriptor{}
if err := service.APIDescriptor(d, r.Host); err != nil {
c.Errorf("%s", err)
return err
}
bytes, err := json.Marshal(d)
if err != nil {
c.Errorf("%s", err)
return err
}
resp.Items = append(resp.Items, string(bytes))
}
return nil
}
func aboutPage(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
fmt.Fprintf(w, "<h1>%v</h1>", appengine.DefaultVersionHostname(c))
token, expire, _ := appengine.AccessToken(c, "test")
fmt.Fprintf(w, "<p>AccessToken: %v %v", token, expire)
fmt.Fprintf(w, "<p>AppID: %v", appengine.AppID(c))
fmt.Fprintf(w, "<p>FQAppID: %v", c.FullyQualifiedAppID())
fmt.Fprintf(w, "<p>Go version: %v", runtime.Version())
fmt.Fprintf(w, "<p>Datacenter: %v", appengine.Datacenter())
fmt.Fprintf(w, "<p>InstanceID: %v", appengine.InstanceID())
fmt.Fprintf(w, "<p>IsDevAppServer: %v", appengine.IsDevAppServer())
fmt.Fprintf(w, "<p>RequestID: %v", appengine.RequestID(c))
fmt.Fprintf(w, "<p>ServerSoftware: %v", appengine.ServerSoftware())
sa, _ := appengine.ServiceAccount(c)
fmt.Fprintf(w, "<p>ServiceAccount: %v", sa)
keyname, signed, _ := appengine.SignBytes(c, []byte("test"))
fmt.Fprintf(w, "<p>SignBytes: %v %v", keyname, signed)
fmt.Fprintf(w, "<p>VersionID: %v", appengine.VersionID(c))
fmt.Fprintf(w, "<p>Request: %v", r)
r2 := c.Request()
fmt.Fprintf(w, "<p>Context Request type/value: %T %v", r2, r2)
}
func root(rw http.ResponseWriter, r *http.Request) {
context := appengine.NewContext(r)
version, _ := strconv.ParseInt(strings.Split(appengine.VersionID(context), ".")[1], 10, 64)
ctime := time.Unix(version/(1<<28)+8*3600, 0).Format(time.RFC3339)
rw.Header().Set("Content-Type", "text/plain; charset=utf-8")
fmt.Fprintf(rw, "GoProxy server %s works, deployed at %s\n", Version, ctime)
}
// Run starts a query for log records, which contain request and application
// level log information.
func (params *Query) Run(c appengine.Context) *Result {
req := &log_proto.LogReadRequest{}
appId := c.FullyQualifiedAppID()
req.AppId = &appId
if params.StartTime != 0 {
req.StartTime = ¶ms.StartTime
}
if params.EndTime != 0 {
req.EndTime = ¶ms.EndTime
}
if params.Incomplete {
req.IncludeIncomplete = ¶ms.Incomplete
}
if params.AppLogs {
req.IncludeAppLogs = ¶ms.AppLogs
}
if params.ApplyMinLevel {
req.MinimumLogLevel = proto.Int32(int32(params.MinLevel))
}
if params.Versions == nil {
// If no versions were specified, default to the major version
// used by this app.
versionID := appengine.VersionID(c)
if i := strings.Index(versionID, "."); i >= 0 {
versionID = versionID[:i]
}
req.VersionId = []string{versionID}
} else {
req.VersionId = params.Versions
}
return &Result{context: c, request: req}
}
// HTTP handler for /feed
func feedHandler(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Cache-control", config.Require("cache_control_header"))
c := appengine.NewContext(r)
key := r.URL.Path + "@" + appengine.VersionID(c)
if item, err := memcache.Get(c, key); err == memcache.ErrCacheMiss {
c.Infof("Page %s not in the cache", key)
} else if err != nil {
c.Errorf("error getting page: %v", err)
} else {
c.Infof("Page %s found in the cache", key)
w.Write(item.Value)
return
}
entry_count, _ := config.GetInt("entries_per_page")
entries, _ := GetEntries(c, EntryQuery{IsPage: false, Count: int(entry_count)})
links := make([]SavedLink, 0)
context, _ := GetTemplateContext(entries, links, "Atom Feed", "feed", r)
var contentBuffer bytes.Buffer
feedTpl.ExecuteTemplate(&contentBuffer, "feed.html", context)
content, _ := ioutil.ReadAll(&contentBuffer)
w.Write(content)
// Feeds get cached infinitely, until an edit flushes it.
storeInCache(c, key, content, 0)
}
// Run starts a query for log records, which contain request and application
// level log information.
func (params *Query) Run(c appengine.Context) *Result {
req, err := makeRequest(params, c.FullyQualifiedAppID(), appengine.VersionID(c))
return &Result{
context: c,
request: req,
err: err,
}
}
func (h Handler) get() {
version, _ := strconv.ParseInt(strings.Split(appengine.VersionID(h.context), ".")[1], 10, 64)
ctime := time.Unix(version/(1<<28)+8*3600, 0).Format(time.RFC3339)
h.response.WriteHeader(http.StatusOK)
h.response.Header().Set("Content-Type", "text/html; charset=utf-8")
fmt.Fprintf(h.response, "GoAgent Go Server %s \xe5\xb7\xb2\xe7\xbb\x8f\xe5\x9c\xa8\xe5\xb7\xa5\xe4\xbd\x9c\xe4\xba\x86\xef\xbc\x8c\xe9\x83\xa8\xe7\xbd\xb2\xe6\x97\xb6\xe9\x97\xb4 %s\n", Version, ctime)
}
// handler is the main demo entry point that calls the GCS operations.
func handler(w http.ResponseWriter, r *http.Request) {
if r.URL.Path != "/" {
http.NotFound(w, r)
return
}
c := appengine.NewContext(r)
if bucket == "" {
var err error
if bucket, err = file.DefaultBucketName(c); err != nil {
c.Errorf("failed to get default GCS bucket name: %v", err)
return
}
}
hc := &http.Client{
Transport: &oauth2.Transport{
Source: google.AppEngineTokenSource(c, storage.ScopeFullControl),
Base: &urlfetch.Transport{Context: c},
},
}
ctx := cloud.NewContext(appengine.AppID(c), hc)
w.Header().Set("Content-Type", "text/plain; charset=utf-8")
fmt.Fprintf(w, "Demo GCS Application running from Version: %v\n", appengine.VersionID(c))
fmt.Fprintf(w, "Using bucket name: %v\n\n", bucket)
d := &demo{
c: c,
w: w,
ctx: ctx,
}
n := "demo-testfile-go"
d.createFile(n)
d.readFile(n)
d.copyFile(n)
d.statFile(n)
d.createListFiles()
d.listBucket()
d.listBucketDirMode()
d.defaultACL()
d.putDefaultACLRule()
d.deleteDefaultACLRule()
d.bucketACL()
d.putBucketACLRule()
d.deleteBucketACLRule()
d.acl(n)
d.putACLRule(n)
d.deleteACLRule(n)
d.deleteFiles()
if d.failed {
io.WriteString(w, "\nDemo failed.\n")
} else {
io.WriteString(w, "\nDemo succeeded.\n")
}
}
func BranchName(c appengine.Context) string {
if appengine.IsDevAppServer() {
return "localhost"
}
branchName := strings.Split(appengine.VersionID(c), ".")[0]
if len(branchName) > 0 {
return branchName
}
return "unkown"
}
func handler(f func(c common.Context)) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
c := common.Context{
Context: appengine.NewContext(r),
Req: r,
Resp: w,
Vars: mux.Vars(r),
}
c.User = user.Current(c)
c.Version = appengine.VersionID(c.Context)
f(c)
}
}
// info generates a page of information useful to the developers
func info(w http.ResponseWriter, r *http.Request) {
// must do all reading before any writing
var data struct {
Req *http.Request
Body []byte
BE error
Dctr string
GoArch string
GoOs string
GoVer string
VID string
Vtime string
MaxCx int
}
data.Req = r
data.Body, data.BE = ioutil.ReadAll(r.Body)
data.Dctr = appengine.Datacenter()
data.GoArch = runtime.GOARCH
data.GoOs = runtime.GOOS
data.GoVer = runtime.Version()
data.VID = appengine.VersionID(appengine.NewContext(r))
data.MaxCx = rx.MaxComplexity
var ver int
var bigtime int64
fmt.Sscanf(data.VID, "%d.%d", &ver, &bigtime)
if strings.HasPrefix(r.Host, "localhost:") {
// don't know how to decode this in SDK environment
data.Vtime = "?!"
} else {
// decode VID to match with appengine admin logs
t := time.Unix(bigtime>>28, 0)
data.Vtime = t.Format("01/02 15:04")
}
putheader(w, r, "Info")
fmt.Fprint(w,
"<P>(Information for use of the website maintainers.)\n<P>")
fmt.Fprintf(w, "<span class=cg>= cg =</span> \n") // .cg
fmt.Fprintf(w, "<span class=cw>= cw =</span> \n") // .cw
for i := 0; i < NCOLORS; i++ {
fmt.Fprintf(w, "<span class=%s>= %s =</span> \n",
colorname(i), colorname(i))
}
fmt.Fprintln(w)
tInfo.Execute(w, data)
putfooter(w, r)
}
func handleID(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
w.Header().Set("Content-Type", "text/plain; charset=utf-8")
fmt.Fprintf(w, "appengine.AppID(c) = %q\n", appengine.AppID(c))
fmt.Fprintf(w, "appengine.VersionID(c) = %q\n", appengine.VersionID(c))
name, index := appengine.BackendInstance(c)
fmt.Fprintf(w, "appengine.BackendInstance(c) = %q, %d\n", name, index)
fmt.Fprintf(w, "----------\n")
for _, s := range os.Environ() {
fmt.Fprintln(w, s)
}
}
// Run starts a query for log records, which contain request and application
// level log information.
func (params *Query) Run(c appengine.Context) *Result {
req := &pb.LogReadRequest{}
appId := c.FullyQualifiedAppID()
req.AppId = &appId
if !params.StartTime.IsZero() {
req.StartTime = proto.Int64(params.StartTime.UnixNano() / 1e3)
}
if !params.EndTime.IsZero() {
req.EndTime = proto.Int64(params.EndTime.UnixNano() / 1e3)
}
if params.Offset != nil {
var offset pb.LogOffset
if err := proto.Unmarshal(params.Offset, &offset); err != nil {
return &Result{context: c, err: fmt.Errorf("bad Offset: %v", err)}
}
req.Offset = &offset
}
if params.Incomplete {
req.IncludeIncomplete = ¶ms.Incomplete
}
if params.AppLogs {
req.IncludeAppLogs = ¶ms.AppLogs
}
if params.ApplyMinLevel {
req.MinimumLogLevel = proto.Int32(int32(params.MinLevel))
}
if params.Versions == nil {
// If no versions were specified, default to the major version
// used by this app.
versionID := appengine.VersionID(c)
if i := strings.Index(versionID, "."); i >= 0 {
versionID = versionID[:i]
}
req.VersionId = []string{versionID}
} else {
req.VersionId = params.Versions
}
if params.RequestIDs != nil {
ids := make([][]byte, len(params.RequestIDs))
for i, v := range params.RequestIDs {
ids[i] = []byte(v)
}
req.RequestId = ids
}
return &Result{context: c, request: req}
}
func handleID(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
w.Header().Set("Content-Type", "text/plain; charset=utf-8")
fmt.Fprintf(w, "appengine.AppID(c) = %q\n", appengine.AppID(c))
fmt.Fprintf(w, "appengine.VersionID(c) = %q\n", appengine.VersionID(c))
name := appengine.ModuleName(c)
hostname, err := appengine.ModuleHostname(c, "", "", "")
fmt.Fprintf(w, "appengine.ModuleName(c) = %q\n", name)
fmt.Fprintf(w, `appengine.ModuleHostname(c, "", "", "") = %q (err: %v)`+"\n", hostname, err)
fmt.Fprintf(w, "----------\n")
for _, s := range os.Environ() {
fmt.Fprintln(w, s)
}
}
func AppCache(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
w.Header().Set("Content-Type", "text/cache-manifest")
w.Header().Set("Cache-Control", "private, max-age=0, must-revalidate")
// Data to be sent to the template:
data := Template{Version: appengine.VersionID(c)}
// Parse the template and output HTML:
template, err := template.ParseFiles("support/manifest.appcache.skel")
if err != nil {
c.Criticalf("execution failed: %s", err)
}
err = template.Execute(w, data)
if err != nil {
c.Criticalf("execution failed: %s", err)
}
}
func handler(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "text/html; charset=utf-8")
fmt.Fprintf(w, "<!DOCTYPE html>")
fmt.Fprintf(w, "<html><head><title>appengineパッケージ</title></head><body>")
if appengine.IsDevAppServer() {
// 開発環境
fmt.Fprintf(w, "開発環境で動作しています。。<br>")
} else {
fmt.Fprintf(w, "本番環境で動作しています。<br>")
}
c := appengine.NewContext(r)
fmt.Fprintf(w, "AppID(): %s<br>", appengine.AppID(c))
fmt.Fprintf(w, "DefaultVersionHostname(): %s<br>", appengine.DefaultVersionHostname(c))
fmt.Fprintf(w, "VersionID(): %s<br>", appengine.VersionID(c))
fmt.Fprintf(w, "</body></html>")
}
func Main(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
h := w.Header()
h.Set("Content-Type", "text/html; charset=utf-8")
h.Set("Cache-Control", "private, max-age=0, must-revalidate")
c.Debugf("Headers: %v", r.Header)
// redirect to room name
if r.URL.Path == "/" && !SkipRedirect(r) {
roomName := Random(6)
path := "/"
// room doesn't exists, redirect to it
// (or we'll just redirect back to "/")
if _, err := GetRoom(c, roomName); err != nil {
path = "/" + roomName
} else {
c.Debugf("Room already exist. Generating a random string instead.")
path = "/" + Random(6)
}
if r.URL.RawQuery != "" {
path = path + "?" + r.URL.RawQuery
}
http.Redirect(w, r, path, 302)
return
}
q := r.URL.Query()
appchan := q.Get("signal") != "ws"
// clean up the roomName to avoid xss
roomName := Cleanup(strings.TrimLeft(r.URL.Path, "/"))
// to make sure that players have the same settings
// in multiplayer we include the query in the room name
if r.URL.RawQuery != "" {
roomName = roomName + "-" + r.URL.RawQuery
}
// Data to be sent to the template:
data := Template{Room: roomName, AcceptLanguage: AcceptLanguage(r), Minified: Minified(), Dev: appengine.IsDevAppServer(), Version: appengine.VersionID(c)}
// skip rooms when using WebSocket signals
// or when room name is empty
if roomName == "" {
c.Debugf("Room with no name.")
data.State = "room-empty"
} else if appchan {
room, err := GetRoom(c, roomName)
// Empty room
if room == nil {
room = new(Room)
c.Debugf("Created room %s", roomName)
if err := PutRoom(c, roomName, room); err != nil {
c.Criticalf("Error occured while creating room %s: %+v", roomName, err)
return
}
data.State = "room-empty"
// Lonely room
} else if room.Occupants() == 1 {
data.State = "room-lonely"
// Full room
} else if room.Occupants() == 2 {
data.State = "room-full"
// DataStore error
} else if err != nil {
c.Criticalf("Error occured while getting room %s: %+v", roomName, err)
return
}
}
// Parse the template and output HTML:
template, err := template.ParseFiles("build/build.html")
if err != nil {
c.Criticalf("execution failed: %s", err)
}
err = template.Execute(w, data)
if err != nil {
c.Criticalf("execution failed: %s", err)
}
}
func handleUploadImage(c appengine.Context, w http.ResponseWriter, r *http.Request) {
file, fileHeader, err := r.FormFile(uploadImageKey)
if err != nil {
c.Infof("Failed to get uploaded image: %v", err)
http.Error(w, "Failed to get uploaded image", http.StatusBadRequest)
return
}
defer file.Close()
data, err := ioutil.ReadAll(file)
if err != nil {
c.Errorf("Failed to read uploaded image: %v", err)
http.Error(w, "Failed to get uploaded image", http.StatusBadRequest)
return
}
ext := path.Ext(fileHeader.Filename)
mimeType := mime.TypeByExtension(ext)
// create context for Google Cloud Storage and upload file
gc := gappengine.NewContext(r)
hc := &http.Client{
Transport: &oauth2.Transport{
Source: google.AppEngineTokenSource(gc, storage.ScopeFullControl),
Base: &urlfetch.Transport{Context: gc},
},
}
ctx := cloud.NewContext(gappengine.AppID(gc), hc)
c.Infof("Demo GCS Application running from Version: %v\n", appengine.VersionID(c))
filePath := path.Join(tempImagePath, createTempImagePath, fileHeader.Filename)
c.Infof("file: %v, size: %d, MIME: %v, path: %v", fileHeader.Filename, len(data), mimeType, filePath)
wc := storage.NewWriter(ctx, bucketName, filePath)
wc.ContentType = mimeType
_, err = wc.Write(data)
if err != nil {
c.Errorf("Failed to upload image: %v", err)
http.Error(w, "Failed to upload image", http.StatusInternalServerError)
return
}
err = wc.Close()
if err != nil {
c.Errorf("Failed to close uploaded image: %v", err)
http.Error(w, "Failed to upload image", http.StatusInternalServerError)
return
}
obj, err := storage.StatObject(ctx, bucketName, filePath)
if err != nil {
c.Errorf("Failed to stat object: %v", err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
// c.Infof("obj: %v", obj)
// get blob key for GCS file
// obj := wc.Object()
objName := path.Join("/gs", bucketName, obj.Name)
c.Infof("Getting blob key from path: %v", objName)
imgKey, err := blobstore.BlobKeyForFile(c, objName)
if err != nil {
c.Errorf("Failed to get image blob key: %v", err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
url, err := getImageUrl(c, imgKey)
if err != nil {
c.Errorf("Failed to get room image url: %v", err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
info := ImageInfo{
Key: imgKey,
Url: url.String(),
}
outBuf, err := json.Marshal(&info)
if err != nil {
c.Errorf("%s", err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
w.Header().Set("Content-Type", "application/json")
_, err = w.Write(outBuf)
if err != nil {
c.Errorf("%s", err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
}
// query implements a basic HTML form to examine logs and format the output
// using Go templates.
func query(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
// Create a log.Query object; by default we request application logs,
// but leave everything else at its zero value.
query := &log.Query{AppLogs: true}
// Parse the URL parameters, handling absent or invalid values.
version := r.FormValue("version")
if len(version) != 0 {
query.Versions = []string{version}
} else {
// Compute the current major version ID for the form.
version = appengine.VersionID(c)
if i := strings.Index(version, "."); i > -1 {
version = version[:i]
}
}
level, err := strconv.Atoi(r.FormValue("level"))
if err == nil && level > -1 && level < len(appLevels) {
query.ApplyMinLevel = true
query.MinLevel = level
} else {
level = -1
}
count, err := strconv.Atoi(r.FormValue("count"))
if err != nil {
count = 25
}
offset, err := base64.URLEncoding.DecodeString(r.FormValue("offset"))
if err == nil && len(offset) > 0 {
query.Offset = offset
}
// Set up a map of untyped values to pass to the log template. Our
// interpretations of the URL parameters are here to populate the form.
data := struct {
AppLevels []appLevel
Version string
Level int
Count int
Error error
Next string
Logs []*log.Record
}{
AppLevels: appLevels, // We'll build the form from appLevels as well.
Version: version,
Level: level,
Count: count,
}
// Run the query and read at most count records.
for results := query.Run(c); len(data.Logs) < count; {
record, err := results.Next()
if err != nil {
if err != log.Done {
c.Errorf("Failed to retrieve log: %v", err)
data.Error = err
}
break
}
data.Logs = append(data.Logs, record)
}
if len(data.Logs) == count {
v := r.URL.Query()
offset := data.Logs[len(data.Logs)-1].Offset
v.Set("offset", base64.URLEncoding.EncodeToString(offset))
data.Next = v.Encode()
}
// Execute the main page template and return the response.
if err := mainPageTmpl.ExecuteTemplate(w, "log.html", data); err != nil {
c.Errorf("Failed to execute template: %v", err)
}
}
func VersionID(ctx netcontext.Context) string { return appengine.VersionID(fromContext(ctx)) }
// HTTP handler for rendering blog entries
func rootHandler(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Cache-control", config.Require("cache_control_header"))
c := appengine.NewContext(r)
key := r.URL.Path + "@" + appengine.VersionID(c)
if item, err := memcache.Get(c, key); err == memcache.ErrCacheMiss {
c.Infof("Page %s not in the cache", key)
} else if err != nil {
c.Errorf("error getting page: %v", err)
} else {
c.Infof("Page %s found in the cache", key)
w.Write(item.Value)
return
}
template := *errorTpl
title := "Error"
nextURL := ""
previousURL := ""
var entries []SavedEntry
links, _ := GetLinks(c)
path := r.URL.Path
pageCount, _ := strconv.Atoi(filepath.Base(r.URL.Path))
c.Infof("Page count: %d for %s", pageCount, r.URL.Path)
if pageCount > 1 {
path = filepath.Dir(path)
if pageCount > 2 {
previousURL = fmt.Sprintf("%s%d", path, pageCount-1)
} else {
// Don't link to /1, just link to the base path.
previousURL = path
}
} else {
pageCount = 1
}
if path == "/" {
title = config.Require("subtitle")
template = *archiveTpl
entries_per_page, _ := config.GetInt("entries_per_page")
offset := int(entries_per_page) * (pageCount - 1)
c.Infof("Page %d - Entries Per page: %d - Offset: %d", pageCount, entries_per_page, offset)
query := EntryQuery{
IsPage: false,
// We ask for 1 more than required so that we know if there are more links to show.
Count: int(entries_per_page) + 1,
Offset: offset,
}
entries, _ = GetEntries(c, query)
if len(entries) > int(entries_per_page) {
nextURL = fmt.Sprintf("%s%d", path, pageCount+1)
entries = entries[:entries_per_page]
}
} else {
entry, err := GetSingleEntry(c, filepath.Base(r.URL.Path))
if err != nil {
http.Error(w, "I looked for an entry, but it was not there.", http.StatusNotFound)
return
} else {
title = entry.Title
entries = append(entries, entry)
if entry.IsPage == true {
template = *pageTpl
} else {
template = *entryTpl
}
}
}
context, _ := GetTemplateContext(entries, links, title, "root", r)
context.PreviousURL = previousURL
context.NextURL = nextURL
var contentBuffer bytes.Buffer
renderTemplate(&contentBuffer, template, context)
content, err := ioutil.ReadAll(&contentBuffer)
if err != nil {
c.Errorf("Error reading content from buffer: %v", err)
}
w.Write(content)
page_ttl, _ := config.GetInt("page_cache_ttl")
storeInCache(c, key, content, int(page_ttl))
}
func Get(w http.ResponseWriter, r *http.Request, m map[string]interface{}) *Instance {
c := appengine.NewContext(r)
startFunc := time.Now()
if !ii.LastUpdated.IsZero() {
age := startFunc.Sub(ii.LastUpdated)
if age < 200*time.Millisecond {
c.Infof("instance info update too recently: %v, skipping.\n", age)
return ii
}
if age < 1*time.Hour {
if len(ii.Hostname) > 2 {
return ii
}
}
c.Infof("instance info update too old: %v, recomputing.\n", age)
}
ii.ModuleName = appengine.ModuleName(c)
ii.InstanceID = appengine.InstanceID()
ii.VersionFull = appengine.VersionID(c)
majorMinor := strings.Split(ii.VersionFull, ".")
if len(majorMinor) != 2 {
panic("we need a version string of format X.Y")
}
ii.VersionMajor = majorMinor[0]
ii.VersionMinor = majorMinor[1]
var err = errors.New("dummy creation error message")
ii.NumInstances, err = module.NumInstances(c, ii.ModuleName, ii.VersionFull)
if err != nil {
// this never works with version full
// we do not log this - but try version major
err = nil
if !util_appengine.IsLocalEnviron() {
ii.NumInstances, err = module.NumInstances(c, ii.ModuleName, ii.VersionMajor)
util_err.Err_http(w, r, err, true, "get num instances works only live and without autoscale")
}
}
// in auto scaling, google reports "zero" - which can not be true
// we assume at least 1
if ii.NumInstances == 0 {
ii.NumInstances = 1
}
// http://[0-2].1.default.libertarian-islands.appspot.com/instance-info
ii.Hostname, err = appengine.ModuleHostname(c, ii.ModuleName,
ii.VersionMajor, "")
util_err.Err_http(w, r, err, false)
if !util_appengine.IsLocalEnviron() {
ii.HostnameInst0, err = appengine.ModuleHostname(c, ii.ModuleName,
ii.VersionMajor, "0")
if err != nil && (err.Error() == autoScalingErr1 || err.Error() == autoScalingErr2) {
c.Infof("inst 0: " + autoScalingErrMsg)
err = nil
}
util_err.Err_http(w, r, err, true)
ii.HostnameInst1, err = appengine.ModuleHostname(c, ii.ModuleName,
ii.VersionMajor, "1")
if err != nil && (err.Error() == autoScalingErr1 || err.Error() == autoScalingErr2) {
c.Infof("inst 1: " + autoScalingErrMsg)
err = nil
}
util_err.Err_http(w, r, err, true)
ii.HostnameMod02, err = appengine.ModuleHostname(c, "mod02", "", "")
util_err.Err_http(w, r, err, true)
}
ii.LastUpdated = time.Now()
c.Infof("collectInfo() completed, %v.%v.%v.%v, took %v",
util.Ellipsoider(ii.InstanceID, 4), ii.VersionMajor, ii.ModuleName,
ii.Hostname,
ii.LastUpdated.Sub(startFunc))
return ii
}