func main() {
var dsn string
if len(os.Args) >= 2 {
dsn = strings.Join(os.Args[1:], " ")
} else {
dsn = os.Getenv("SENTRY_DSN")
}
if dsn == "" {
fmt.Printf("Error: No configuration detected!\n")
fmt.Printf("You must either pass a DSN to the command, or set the SENTRY_DSN environment variable\n")
return
}
fmt.Printf("Using DSN configuration:\n %v\n", dsn)
client, err := raven.NewClient(dsn)
if err != nil {
fmt.Printf("could not connect: %v", dsn)
return
}
fmt.Printf("Sending a test message...\n")
id, err := client.CaptureMessage("This is a test message generated using ``goraven test``")
if err != nil {
fmt.Printf("failed: %v\n", err)
return
}
fmt.Printf("Message captured, id: %v", id)
}
func LogPrintf(format string, v ...interface{}) {
log.Printf(format, v)
if ravenDSN == "" {
return
}
client, err := raven.NewClient(ravenDSN)
if err != nil {
log.Printf("LogPrintf: could not connect: %v", ravenDSN)
return
}
_, err = client.CaptureMessage(fmt.Sprintf(format, v))
if err != nil {
log.Printf("LogPrintf: failed logging with raven")
return
}
}
/*
Middleware that catches panics, and:
- logs them
- optionally reports them to sentry - pass in "" if you don't want this
- sends a 500 response
You can also use ThrowError() to raise an error that this middleware will catch, for example
if you want an error to be reported to sentry
*/
func BuildErrorCatcher(sentryDSN string) func(c *web.C, h http.Handler) http.Handler {
var sentryClient *raven.Client
if sentryDSN != "" {
var err error
sentryClient, err = raven.NewClient(sentryDSN)
if err != nil {
log.Printf("Couldn't connect to sentry %v\n", err)
}
}
return func(c *web.C, h http.Handler) http.Handler {
handler := func(w http.ResponseWriter, r *http.Request) {
defer func() {
err := recover()
if err == nil {
return
}
if sentryClient != nil {
// Send the error to sentry
const size = 1 << 12
buf := make([]byte, size)
n := runtime.Stack(buf, false)
sentryClient.CaptureMessage(fmt.Sprintf("%v\nStacktrace:\n%s", err, buf[:n]))
}
switch err := err.(type) {
case HttpError:
log.Printf("Return response for error %s", err.Message)
err.WriteResponse(w)
return
default:
log.Printf("Panic: %v\n", err)
debug.PrintStack()
http.Error(w, http.StatusText(500), 500)
return
}
}()
h.ServeHTTP(w, r)
}
return http.HandlerFunc(handler)
}
}
func init() {
var err error
mongo_server := os.Getenv("OPENSHIFT_MONGODB_DB_URL")
if mongo_server == "" {
db_session, err = mgo.Dial("localhost")
} else {
db_session, err = mgo.Dial(mongo_server + MONGO_DB_NAME)
}
if err != nil {
log.Print("db connection: ", err)
}
// register bson's ObjectId with the gob for cookie encoding
gob.Register(bson.ObjectId(""))
gob.RegisterName("app/models.Flash", &Flash{"", ""})
gob.RegisterName("app/models.Filter", &Filter{})
database = db_session.DB("").Name
Router = pat.New()
//create an index for the email field on the users collection
if err := db_session.DB(database).C("users").EnsureIndex(mgo.Index{
Key: []string{"email"},
Unique: true,
}); err != nil {
log.Print("context: ", err)
}
if err := db_session.DB(database).C("users").EnsureIndexKey("location"); err != nil {
log.Print("context: ", err)
}
if err := db_session.DB(database).C("users").EnsureIndexKey("country"); err != nil {
log.Print("context: ", err)
}
store = sessions.NewCookieStore([]byte("508a664e65427d3f91000001"))
if sentry, err = raven.NewClient(SENTRY_DSN); err != nil {
log.Print("could not connect to sentry: ", err)
}
loadTranslations()
}
func main() {
var dsn string
// How does this return an error ?
defaultHostname, _ := os.Hostname()
project := flag.String("project", "", "The project name to use for the event")
timestamp := flag.String("timestamp", "", "The (iso8601) timestamp to use for the event")
level := flag.String("level", "error", "The logging level to send")
logger := flag.String("logger", "root", "The logger name to use for the event")
hostname := flag.String("hostname", defaultHostname, "The host to report for")
//exception := flag.String("exception", "", "An exception (gdb format) to report for")
tags := make(DataMap)
flag.Var(tags, "tag", "List of tags of the form name=value")
modules := make(DataMap)
flag.Var(modules, "module", "Add a module of the form name=value")
extras := make(DataMap)
flag.Var(extras, "extra", "Add an extra of the form name=value")
flag.Parse()
dsn = flag.Arg(0)
if dsn == "" {
dsn = os.Getenv("SENTRY_DSN")
}
if dsn == "" {
fmt.Printf("Error: No configuration detected!\n")
fmt.Printf("You must either pass a DSN to the command, or set the SENTRY_DSN environment variable\n")
os.Exit(1)
}
client, err := raven.NewClient(dsn)
if err != nil {
fmt.Printf("could not connect: %v", dsn)
os.Exit(2)
}
bytes, err := ioutil.ReadAll(os.Stdin)
if err != nil {
panic("Unable to read from stdin ?")
}
plat := platform.GetPlatform()
event := raven.Event{
Message: string(bytes),
ServerName: *hostname,
Project: *project,
Level: *level,
Timestamp: *timestamp,
Logger: *logger,
Tags: tags,
Modules: modules,
Extra: extras,
Platform: fmt.Sprintf("%s - %s", plat.OSName, plat.Release),
}
sentryErr := client.Capture(&event)
if sentryErr != nil {
fmt.Printf("failed: %v\n", err)
os.Exit(3)
}
}
// initServer initializes the global Server variable.
// Should be called only once: after the first call, it does nothing.
func (s *server) Init(confPath string) (err error) {
// do not let be Initialized multiple times
if s.Initialized {
return
}
s.Logger = log.New(os.Stdout, "[agora-http-go] ", 0)
s.Mux = medeina.NewMedeina()
// parse config
confStr, err := util.Contents(confPath)
if err != nil {
s.Logger.Printf("Error reading config file %s %v", confPath, err)
return
}
var cfg map[string]*json.RawMessage
err = json.Unmarshal([]byte(confStr), &cfg)
if err != nil {
s.Logger.Printf("Error reading config file %s %v", confPath, err)
return
}
json.Unmarshal(*cfg["Debug"], &s.Debug)
json.Unmarshal(*cfg["DbMaxIddleConnections"], &s.DbMaxIddleConnections)
json.Unmarshal(*cfg["DbConnectString"], &s.DbConnectString)
json.Unmarshal(*cfg["SharedSecret"], &s.SharedSecret)
json.Unmarshal(*cfg["Admins"], &s.Admins)
json.Unmarshal(*cfg["ActiveModules"], &s.ActiveModules)
json.Unmarshal(*cfg["RavenDSN"], &s.RavenDSN)
// configure database
s.DbConnectString = os.ExpandEnv(s.DbConnectString)
s.Logger.Print("connecting to postgres: " + s.DbConnectString)
s.Db, err = sqlx.Connect("postgres", s.DbConnectString)
if err != nil {
return
}
s.Db.SetMaxIdleConns(s.DbMaxIddleConnections)
// construct the http server
s.Http = negroni.Classic()
s.Http.Use(negroni.NewRecovery())
if s.Debug {
s.Logger.Print("In debug mode")
s.Http.Use(negroni.NewLogger())
}
s.Http.UseHandler(s.Mux)
// if there's a DSN configured, try to connect with raven
if len(s.RavenDSN) > 0 {
if s.Raven, err = raven.NewClient(s.RavenDSN); err != nil {
s.Logger.Printf("Error configuring raven with DSN %s: %v", s.RavenDSN, err)
}
}
s.Http.Use(middleware.NewRecoveryJson(s.Logger, s.Raven))
// create the errorwrap middleware
s.ErrorWrap = middleware.NewErrorWrap(s, s.Logger)
// init modules, only once the server instance has been configured, and
// only those modules that user wants to activate
for _, module := range s.AvailableModules {
var (
mod_name = module.Name()
)
// find the module, and init it if found
for _, active_module := range s.ActiveModules {
if mod_name != active_module {
continue
}
s.Logger.Print("Loading module: " + mod_name)
if err = module.Init(cfg); err != nil {
s.Logger.Fatal(err)
}
break
}
}
s.Initialized = true
return
}
