func loadAsset(path, defaultValue string) string {
devPath := fmt.Sprintf(
"%s/src/github.com/emccode/rexray/daemon/module/admin/html/%s",
os.Getenv("GOPATH"),
path)
if util.FileExists(devPath) {
v, _ := ioutil.ReadFile(devPath)
log.Printf("Loaded %s from %s\n", path, devPath)
return string(v)
}
exeDir, _, _ := util.GetThisPathParts()
relPath := fmt.Sprintf(
"%s/html/%s",
exeDir,
path)
if util.FileExists(relPath) {
v, _ := ioutil.ReadFile(devPath)
log.Printf("Loaded %s from %s\n", path, relPath)
return string(v)
}
return defaultValue
}
func tryToStartDaemon() {
_, _, thisAbsPath := util.GetThisPathParts()
fmt.Print("Starting REX-Ray...")
signal := make(chan byte)
client := fmt.Sprintf("%s/%s.sock", os.TempDir(), util.RandomString(32))
log.WithField("client", client).Debug("trying to start service")
l, lErr := net.Listen("unix", client)
failOnError(lErr)
go func() {
conn, acceptErr := l.Accept()
if acceptErr != nil {
fmt.Printf("FAILED!\n %v\n", acceptErr)
panic(acceptErr)
}
defer conn.Close()
defer os.Remove(client)
log.Debug("accepted connection")
buff := make([]byte, 1)
conn.Read(buff)
log.Debug("received data")
signal <- buff[0]
}()
cmdArgs := []string{
"start",
fmt.Sprintf("--client=%s", client),
fmt.Sprintf("--logLevel=%v", r.Config.LogLevel)}
if r.Config.Host != "" {
cmdArgs = append(cmdArgs, fmt.Sprintf("--host=%s", r.Config.Host))
}
cmd := exec.Command(thisAbsPath, cmdArgs...)
cmd.Stderr = os.Stderr
cmdErr := cmd.Start()
failOnError(cmdErr)
sigVal := <-signal
if sigVal != 0 {
fmt.Println("FAILED!")
panic(1)
}
pid, _ := util.ReadPidFile()
fmt.Printf("SUCESS!\n\n")
fmt.Printf(" The REX-Ray daemon is now running at PID %d. To\n", pid)
fmt.Printf(" shutdown the daemon execute the following command:\n\n")
fmt.Printf(" sudo %s stop\n\n", thisAbsPath)
}
func install() {
checkOpPerms("installed")
_, _, exeFile := util.GetThisPathParts()
if runtime.GOOS == "linux" {
switch getInitSystemType() {
case SystemD:
installSystemD(exeFile)
case UpdateRcD:
installUpdateRcd(exeFile)
case ChkConfig:
installChkConfig(exeFile)
}
}
}
func uninstall(pkgManager bool) {
checkOpPerms("uninstalled")
_, _, binFile := util.GetThisPathParts()
// if the uninstall command was executed manually we should check to see
// if this file is owned by a package manager and remove it that way if so
if !pkgManager {
log.WithField("binFile", binFile).Debug("is this a managed file?")
var pkgName string
if isRpmInstall(binFile, &pkgName) {
uninstallRpm(pkgName)
return
} else if isDebInstall(binFile, &pkgName) {
uninstallDeb(pkgName)
return
}
}
func() {
defer func() {
recover()
}()
stop()
}()
switch GetInitSystemType() {
case SystemD:
uninstallSystemD()
case UpdateRcD:
uninstallUpdateRcd()
case ChkConfig:
uninstallChkConfig()
}
os.RemoveAll(util.EtcDirPath())
os.RemoveAll(util.RunDirPath())
os.RemoveAll(util.LibDirPath())
os.RemoveAll(util.LogDirPath())
if !pkgManager {
os.Remove(binFile)
if util.IsPrefixed() {
os.RemoveAll(util.GetPrefix())
}
}
}
func Install() {
checkOpPerms("installed")
_, _, exeFile := util.GetThisPathParts()
os.Chown(exeFile, 0, 0)
exec.Command("chmod", "4755", exeFile).Run()
switch GetInitSystemType() {
case SYSTEMD:
installSystemD(exeFile)
case UPDATERCD:
installUpdateRcd(exeFile)
case CHKCONFIG:
installChkConfig(exeFile)
}
}
func Install() {
checkOpPerms("installed")
_, _, thisAbsPath := util.GetThisPathParts()
exeDir := filepath.Dir(EXEFILE)
os.MkdirAll(exeDir, 0755)
os.Chown(exeDir, 0, 0)
exec.Command("cp", "-f", thisAbsPath, EXEFILE).Run()
os.Chown(EXEFILE, 0, 0)
exec.Command("chmod", "4755", EXEFILE).Run()
switch GetInitSystemType() {
case SYSTEMD:
installSystemD()
case UPDATERCD:
installUpdateRcd()
case CHKCONFIG:
installChkConfig()
}
}
