func main() {
settings := evergreen.GetSettingsOrExit()
if settings.Runner.LogFile != "" {
evergreen.SetLogger(settings.Runner.LogFile)
}
go util.DumpStackOnSIGQUIT(os.Stdout)
db.SetGlobalSessionProvider(db.SessionFactoryFromConfig(settings))
// just run one process if an argument was passed in
if flag.Arg(0) != "" {
err := runProcessByName(flag.Arg(0), settings)
if err != nil {
evergreen.Logger.Logf(slogger.ERROR, "Error: %v", err)
os.Exit(1)
}
return
}
if settings.Runner.IntervalSeconds <= 0 {
evergreen.Logger.Logf(slogger.WARN, "Interval set to %vs (<= 0s) using %vs instead",
settings.Runner.IntervalSeconds, runInterval)
} else {
runInterval = settings.Runner.IntervalSeconds
}
// start and schedule runners
wg := &sync.WaitGroup{}
ch := startRunners(wg, settings)
go listenForSIGTERM(ch)
// wait for all the processes to exit
wg.Wait()
evergreen.Logger.Logf(slogger.INFO, "Cleanly terminated all %v processes", len(Runners))
}
// StartBackgroundActions spawns goroutines that monitor various parts of the
// execution - heartbeats, timeouts, logging, etc.
func (agt *Agent) StartBackgroundActions(signalHandler TerminateHandler) chan FinalTaskFunc {
completed := make(chan FinalTaskFunc)
agt.heartbeater.StartHeartbeating()
agt.statsCollector.LogStats(agt.taskConfig.Expansions)
agt.timeoutWatcher.NotifyTimeouts(agt.signalChan)
go signalHandler.HandleSignals(agt, completed)
// listen for SIGQUIT and dump a stack trace to system logs if received.
go util.DumpStackOnSIGQUIT(evergreen.NewInfoLoggingWriter(agt.logger.System))
return completed
}
func main() {
go util.DumpStackOnSIGQUIT(os.Stdout)
settings := evergreen.GetSettingsOrExit()
home := evergreen.FindEvergreenHome()
uis, err := service.NewUIServer(settings, home)
if err != nil {
fmt.Println("Failed to create ui server: %v", err)
os.Exit(1)
}
router, err := uis.NewRouter()
if err != nil {
fmt.Println("Failed to create router:", err)
os.Exit(1)
}
webHome := filepath.Join(home, "public")
functionOptions := service.FuncOptions{webHome, settings.Ui.HelpUrl, true, router}
functions, err := service.MakeTemplateFuncs(functionOptions, settings.SuperUsers)
htmlFunctions := htmlTemplate.FuncMap(functions)
textFunctions := textTemplate.FuncMap(functions)
if err != nil {
fmt.Println("Failed to create template function map:", err)
os.Exit(1)
}
uis.Render = render.New(render.Options{
Directory: filepath.Join(home, service.WebRootPath, service.Templates),
DisableCache: !settings.Ui.CacheTemplates,
HtmlFuncs: htmlFunctions,
TextFuncs: textFunctions,
})
err = uis.InitPlugins()
if err != nil {
fmt.Println("WARNING: Error initializing plugins:", err)
}
n := negroni.New()
n.Use(negroni.NewStatic(http.Dir(webHome)))
n.Use(service.NewLogger())
n.Use(negroni.HandlerFunc(service.UserMiddleware(uis.UserManager)))
n.UseHandler(router)
graceful.Run(settings.Ui.HttpListenAddr, requestTimeout, n)
evergreen.Logger.Logf(slogger.INFO, "UI server cleanly terminated")
}
func main() {
go util.DumpStackOnSIGQUIT(os.Stdout)
settings := evergreen.GetSettingsOrExit()
if settings.Api.LogFile != "" {
evergreen.SetLogger(settings.Api.LogFile)
}
db.SetGlobalSessionProvider(db.SessionFactoryFromConfig(settings))
tlsConfig, err := util.MakeTlsConfig(settings.Api.HttpsCert, settings.Api.HttpsKey)
if err != nil {
evergreen.Logger.Logf(slogger.ERROR, "Failed to make TLS config: %v", err)
os.Exit(1)
}
nonSSL, err := service.GetListener(settings.Api.HttpListenAddr)
if err != nil {
evergreen.Logger.Logf(slogger.ERROR, "Failed to get HTTP listener: %v", err)
os.Exit(1)
}
ssl, err := service.GetTLSListener(settings.Api.HttpsListenAddr, tlsConfig)
if err != nil {
evergreen.Logger.Logf(slogger.ERROR, "Failed to get HTTPS listener: %v", err)
os.Exit(1)
}
// Start SSL and non-SSL servers in independent goroutines, but exit
// the process if either one fails
as, err := service.NewAPIServer(settings, plugin.APIPlugins)
if err != nil {
evergreen.Logger.Logf(slogger.ERROR, "Failed to create API server: %v", err)
os.Exit(1)
}
handler, err := as.Handler()
if err != nil {
evergreen.Logger.Logf(slogger.ERROR, "Failed to get API route handlers: %v", err)
os.Exit(1)
}
server := &http.Server{Handler: handler}
errChan := make(chan error, 2)
go func() {
evergreen.Logger.Logf(slogger.INFO, "Starting non-SSL API server")
err := graceful.Serve(server, nonSSL, requestTimeout)
if err != nil {
if opErr, ok := err.(*net.OpError); !ok || (ok && opErr.Op != "accept") {
evergreen.Logger.Logf(slogger.WARN, "non-SSL API server error: %v", err)
} else {
err = nil
}
}
evergreen.Logger.Logf(slogger.INFO, "non-SSL API server cleanly terminated")
errChan <- err
}()
go func() {
evergreen.Logger.Logf(slogger.INFO, "Starting SSL API server")
err := graceful.Serve(server, ssl, requestTimeout)
if err != nil {
if opErr, ok := err.(*net.OpError); !ok || (ok && opErr.Op != "accept") {
evergreen.Logger.Logf(slogger.WARN, "SSL API server error: %v", err)
} else {
err = nil
}
}
evergreen.Logger.Logf(slogger.INFO, "SSL API server cleanly terminated")
errChan <- err
}()
exitCode := 0
for i := 0; i < 2; i++ {
if err := <-errChan; err != nil {
evergreen.Logger.Logf(slogger.ERROR, "Error returned from API server: %v", err)
exitCode = 1
}
}
os.Exit(exitCode)
}