func (fi *FileInfo) CreateUrls(r *http.Request, c context.Context) {
u := &url.URL{
Scheme: r.URL.Scheme,
Host: appengine.DefaultVersionHostname(c),
Path: "/",
}
uString := u.String()
fi.Url = uString + fi.Key
fi.DeleteUrl = fi.Url
fi.DeleteType = "DELETE"
if fi.ThumbnailKey != "" {
fi.ThumbnailUrl = uString + fi.ThumbnailKey
}
}
//Diagnostics shows a bunch of app engine's information for the app/project
//useful for figuring out which version of an app is serving
func Diagnostics(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
out := map[string]interface{}{
"App ID": appengine.AppID(c),
"Instance ID": appengine.InstanceID(),
"Default Version Hostname": appengine.DefaultVersionHostname(c),
"Version ID": appengine.VersionID(c),
"Datacenter": appengine.Datacenter(c),
"Module Name": appengine.ModuleName(c),
"Server Software": appengine.ServerSoftware(),
}
templates.Load(w, "diagnostics", out)
return
}
// linkToPrimary sends HttpRPC to the primary to register myself as a replica.
func linkToPrimary(c context.Context, ticket ServiceLinkTicket, initiatedBy string) error {
headers := make(map[string]string)
headers["Content-Type"] = "application/octet-stream"
protocol := "https"
if appengine.IsDevAppServer() {
headers["X-Appengine-Inbound-Appid"] = appengine.AppID(c)
protocol = "http"
}
linkReq := &ServiceLinkRequest{
Ticket: ticket.GetTicket(),
ReplicaUrl: proto.String(fmt.Sprintf("%s://%s", protocol, appengine.DefaultVersionHostname(c))),
InitiatedBy: proto.String(initiatedBy),
}
buf, err := proto.Marshal(linkReq)
if err != nil {
return err
}
req, err := http.NewRequest("POST", fmt.Sprintf("%s/auth_service/api/v1/internal/link_replica", ticket.GetPrimaryUrl()), bytes.NewReader(buf))
if err != nil {
return err
}
for key, value := range headers {
req.Header.Add(key, value)
}
client := urlfetch.Client(c)
resp, err := client.Do(req)
if err != nil {
return err
}
if resp.StatusCode != 200 {
return fmt.Errorf("got status code %v; want 200", resp.StatusCode)
}
respBody := new(bytes.Buffer)
respBody.ReadFrom(resp.Body)
linkResp := &ServiceLinkResponse{}
if err = proto.Unmarshal(respBody.Bytes(), linkResp); err != nil {
return err
}
if linkResp.GetStatus() != ServiceLinkResponse_SUCCESS {
return fmt.Errorf("Request to the primary failed with status %d", linkResp.GetStatus())
}
return nil
}
// Status gathers a quick overview of the system state
// and dumps it in JSON format.
func Status(w http.ResponseWriter, r *http.Request) {
if r.Method != "GET" {
return
}
ctx := appengine.NewContext(r)
m := new(runtime.MemStats)
runtime.ReadMemStats(m)
s := &status{
initTime,
appengineStatus{
appengine.InstanceID(),
appengine.AppID(ctx),
appengine.Datacenter(ctx),
appengine.DefaultVersionHostname(ctx),
appengine.ModuleName(ctx),
appengine.IsDevAppServer(),
},
runtimeStatus{
runtime.GOMAXPROCS(0),
runtime.GOARCH,
runtime.GOOS,
runtime.GOROOT(),
runtime.NumCPU(),
runtime.NumCgoCall(),
runtime.Version(),
*m,
},
os.Environ(),
}
b, err := json.Marshal(s)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
w.Header().Set("Content-Type", "application/json; encoding=utf-8")
w.Write(b)
}
// Todo: When c==nil we are in a non-appengine environment.
// We still want to return at least ii.PureHostname
func GetByContext(c context.Context) *Instance {
tstart := time.Now()
if !ii.LastUpdated.IsZero() {
age := tstart.Sub(ii.LastUpdated)
if age < 200*time.Millisecond {
aelog.Infof(c, "instance info update too recently: %v, skipping.\n", age)
return ii
}
if age < 1*time.Hour {
if len(ii.Hostname) > 2 {
return ii
}
}
aelog.Infof(c, "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)
if err != nil {
eStr := err.Error()
eCmp1, eCmp2, eCmp3 := "API error", "INVALID_VERSION)", "Could not find the given version"
if strings.Contains(eStr, eCmp1) && strings.Contains(eStr, eCmp2) && strings.Contains(eStr, eCmp3) {
aelog.Infof(c, "get num instances works only live and without autoscale; %v", err)
} else {
aelog.Errorf(c, "get num instances error; %v", err)
}
}
}
}
// 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, "")
if err != nil {
aelog.Errorf(c, "ModuleHostname1: %v", err)
}
ii.PureHostname = appengine.DefaultVersionHostname(c)
if !appengine.IsDevAppServer() {
ii.HostnameInst0, err = appengine.ModuleHostname(c, ii.ModuleName, ii.VersionMajor, "0")
if err != nil && (err.Error() == autoScalingErr1 || err.Error() == autoScalingErr2) {
aelog.Infof(c, "inst 0: "+autoScalingErrMsg)
err = nil
}
if err != nil {
aelog.Errorf(c, "ModuleHostname2: %v", err)
}
ii.HostnameInst1, err = appengine.ModuleHostname(c, ii.ModuleName, ii.VersionMajor, "1")
if err != nil && (err.Error() == autoScalingErr1 || err.Error() == autoScalingErr2) {
aelog.Infof(c, "inst 1: "+autoScalingErrMsg)
err = nil
}
if err != nil {
aelog.Errorf(c, "ModuleHostname3: %v", err)
}
ii.HostnameMod02, err = appengine.ModuleHostname(c, "mod02", "", "")
if err != nil {
aelog.Infof(c, "ModuleHostname4: %v", err)
}
}
ii.LastUpdated = time.Now()
aelog.Infof(c, "collectInfo() completed, %v - %v - %v - %v - %v, took %v",
stringspb.Ellipsoider(ii.InstanceID, 4), ii.VersionMajor, ii.ModuleName,
ii.Hostname, ii.PureHostname, time.Now().Sub(tstart))
return ii
}
func (g giImpl) DefaultVersionHostname() string {
return appengine.DefaultVersionHostname(g.aeCtx)
}
//
//
// requestPay is unused
func requestPay(w http.ResponseWriter, r *http.Request, m map[string]interface{}) {
lg, b := loghttp.BuffLoggerUniversal(w, r)
closureOverBuf := func(bUnused *bytes.Buffer) {
loghttp.Pf(w, r, b.String())
}
defer closureOverBuf(b) // the argument is ignored,
r.Header.Set("X-Custom-Header-Counter", "nocounter")
protoc := "https://"
if appengine.IsDevAppServer() {
protoc = "http://"
}
host := appengine.DefaultVersionHostname(appengine.NewContext(r))
if appengine.IsDevAppServer() {
host = "not-loclhost"
}
confirmURL := fmt.Sprintf("%v%v%v", protoc, host, uriConfirmPayment)
confirmURL = url.QueryEscape(confirmURL)
addrURL := fmt.Sprintf("https://%v/api/receive?method=create&address=%v&callback=%v&customsecret=49&api_code=%v",
coinbaseHost, walletAddress, confirmURL, apiKey)
req, err := http.NewRequest("GET", addrURL, nil)
lg(err)
if err != nil {
return
}
bts, inf, err := fetch.UrlGetter(r, fetch.Options{Req: req})
bts = bytes.Replace(bts, []byte(`","`), []byte(`", "`), -1)
if err != nil {
lg(err)
lg(inf.Msg)
return
}
lg("response body 1:\n")
lg("%s\n", string(bts))
lg("response body 2:\n")
var data1 map[string]interface{}
err = json.Unmarshal(bts, &data1)
lg(err)
lg(stringspb.IndentedDumpBytes(data1))
// Response body contains the suggested bitcoin address for payment.
// And the minimum recommended fee percentage
inputAddress, ok := data1["input_address"].(string)
if !ok {
lg("input address could not be casted to string; is type %T", data1["input_address"])
return
}
feePercent, ok := data1["fee_percent"].(float64)
if !ok {
lg("fee percent could not be casted to float64; is type %T", data1["fee_percent"])
return
}
lg("Input Adress will be %q; fee percent will be %4.2v", inputAddress, feePercent)
}