func handleSignals() {
c := make(chan os.Signal, 1)
// SIGTERM is not exactly portable, but Go has a fake signal for it
// with Windows so it being there should theoretically not break it
// running on windows
signal.Notify(c, os.Interrupt, syscall.SIGTERM, syscall.SIGHUP)
// if we receive a SIGINT or SIGTERM, do cleanup here.
go func() {
for sig := range c {
if sig == os.Interrupt || sig == syscall.SIGTERM {
logger.Infof("cleaning up...")
if config.Config.FreezeData {
if config.Config.DataStoreFile != "" {
ds := datastore.New()
if err := ds.Save(config.Config.DataStoreFile); err != nil {
logger.Errorf(err.Error())
}
}
if err := indexer.SaveIndex(); err != nil {
logger.Errorf(err.Error())
}
}
if config.UsingDB() {
datastore.Dbh.Close()
}
if config.Config.UseSerf {
serfin.Serfer.Close()
}
os.Exit(0)
} else if sig == syscall.SIGHUP {
logger.Infof("Reloading configuration...")
config.ParseConfigOptions()
}
}
}()
}
func main() {
config.ParseConfigOptions()
/* Here goes nothing, db... */
if config.UsingDB() {
var derr error
if config.Config.UseMySQL {
datastore.Dbh, derr = datastore.ConnectDB("mysql", config.Config.MySQL)
} else if config.Config.UsePostgreSQL {
datastore.Dbh, derr = datastore.ConnectDB("postgres", config.Config.PostgreSQL)
}
if derr != nil {
logger.Criticalf(derr.Error())
os.Exit(1)
}
}
gobRegister()
ds := datastore.New()
indexer.Initialize(config.Config)
if config.Config.FreezeData {
if config.Config.DataStoreFile != "" {
uerr := ds.Load(config.Config.DataStoreFile)
if uerr != nil {
logger.Criticalf(uerr.Error())
os.Exit(1)
}
}
ierr := indexer.LoadIndex()
if ierr != nil {
logger.Criticalf(ierr.Error())
os.Exit(1)
}
}
setSaveTicker()
setLogEventPurgeTicker()
/* handle import/export */
if config.Config.DoExport {
fmt.Printf("Exporting data to %s....\n", config.Config.ImpExFile)
err := exportAll(config.Config.ImpExFile)
if err != nil {
logger.Criticalf("Something went wrong during the export: %s", err.Error())
os.Exit(1)
}
fmt.Println("All done!")
os.Exit(0)
} else if config.Config.DoImport {
fmt.Printf("Importing data from %s....\n", config.Config.ImpExFile)
err := importAll(config.Config.ImpExFile)
if err != nil {
logger.Criticalf("Something went wrong during the import: %s", err.Error())
os.Exit(1)
}
if config.Config.FreezeData {
if config.Config.DataStoreFile != "" {
ds := datastore.New()
if err := ds.Save(config.Config.DataStoreFile); err != nil {
logger.Errorf(err.Error())
}
}
if err := indexer.SaveIndex(); err != nil {
logger.Errorf(err.Error())
}
}
if config.UsingDB() {
datastore.Dbh.Close()
}
fmt.Println("All done.")
os.Exit(0)
}
/* Set up serf */
if config.Config.UseSerf {
serferr := serfin.StartSerfin()
if serferr != nil {
logger.Criticalf(serferr.Error())
os.Exit(1)
}
errch := make(chan error)
go startEventMonitor(serfin.Serfer, errch)
err := <-errch
if err != nil {
logger.Criticalf(err.Error())
os.Exit(1)
}
startNodeMonitor()
}
/* Create default clients and users. Currently chef-validator,
* chef-webui, and admin. */
createDefaultActors()
handleSignals()
/* Register the various handlers, found in their own source files. */
http.HandleFunc("/authenticate_user", authenticateUserHandler)
http.HandleFunc("/clients", listHandler)
http.HandleFunc("/clients/", clientHandler)
http.HandleFunc("/cookbooks", cookbookHandler)
http.HandleFunc("/cookbooks/", cookbookHandler)
http.HandleFunc("/data", dataHandler)
http.HandleFunc("/data/", dataHandler)
http.HandleFunc("/environments", environmentHandler)
http.HandleFunc("/environments/", environmentHandler)
http.HandleFunc("/nodes", listHandler)
http.HandleFunc("/nodes/", nodeHandler)
http.HandleFunc("/principals/", principalHandler)
http.HandleFunc("/roles", listHandler)
http.HandleFunc("/roles/", roleHandler)
http.HandleFunc("/sandboxes", sandboxHandler)
http.HandleFunc("/sandboxes/", sandboxHandler)
http.HandleFunc("/search", searchHandler)
http.HandleFunc("/search/", searchHandler)
http.HandleFunc("/search/reindex", reindexHandler)
http.HandleFunc("/users", listHandler)
http.HandleFunc("/users/", userHandler)
http.HandleFunc("/file_store/", fileStoreHandler)
http.HandleFunc("/events", eventListHandler)
http.HandleFunc("/events/", eventHandler)
http.HandleFunc("/reports/", reportHandler)
http.HandleFunc("/universe", universeHandler)
http.HandleFunc("/shovey/", shoveyHandler)
http.HandleFunc("/status/", statusHandler)
/* TODO: figure out how to handle the root & not found pages */
http.HandleFunc("/", rootHandler)
listenAddr := config.ListenAddr()
var err error
srv := &http.Server{Addr: listenAddr, Handler: &interceptHandler{}}
if config.Config.UseSSL {
srv.TLSConfig = &tls.Config{MinVersion: tls.VersionTLS10}
err = srv.ListenAndServeTLS(config.Config.SSLCert, config.Config.SSLKey)
} else {
err = srv.ListenAndServe()
}
if err != nil {
logger.Criticalf("ListenAndServe: %s", err.Error())
os.Exit(1)
}
}