// Args returns arguments to be passed to brick process during spawn.
func (b *Brick) Args() string {
if b.args != "" {
return b.args
}
brickPathWithoutSlashes := strings.Trim(strings.Replace(b.brickinfo.Path, "/", "-", -1), "-")
logFile := path.Join(config.GetString("logdir"), "glusterfs", "bricks", fmt.Sprintf("%s.log", brickPathWithoutSlashes))
//TODO: For now, getting next available port. Use portmap ?
brickPort := strconv.Itoa(GetNextAvailableFreePort())
//TODO: Passing volfile directly for now.
//Change this once we have volfile fetch support in GD2.
volfile := utils.GetBrickVolFilePath(b.volName, b.brickinfo.Hostname, b.brickinfo.Path)
var buffer bytes.Buffer
buffer.WriteString(fmt.Sprintf(" --volfile %s", volfile))
buffer.WriteString(fmt.Sprintf(" -p %s", b.PidFile()))
buffer.WriteString(fmt.Sprintf(" -S %s", b.SocketFile()))
buffer.WriteString(fmt.Sprintf(" --brick-name %s", b.brickinfo.Path))
buffer.WriteString(fmt.Sprintf(" --brick-port %s", brickPort))
buffer.WriteString(fmt.Sprintf(" -l %s", logFile))
buffer.WriteString(fmt.Sprintf(" --xlator-option *-posix.glusterd-uuid=%s", gdctx.MyUUID))
buffer.WriteString(fmt.Sprintf(" --xlator-option %s-server.transport.socket.listen-port=%s", b.volName, brickPort))
b.args = buffer.String()
return b.args
}
// DeleteVolfile deletes the volfiles created for the volume
// XXX: This is a quick and dirty implementation with no error checking.
// A proper implementation will be implemented when volgen is re-implemented.
func DeleteVolfile(vol *volume.Volinfo) error {
var path string
_ = getClientFilePath(vol, &path)
_ = os.Remove(path)
for _, b := range vol.Bricks {
path := utils.GetBrickVolFilePath(vol.Name, b.Hostname, b.Path)
_ = os.Remove(path)
}
return nil
}
// GenerateVolfile function will do all task from graph generation to volfile generation
func GenerateVolfile(vinfo *volume.Volinfo) error {
var cpath string
var err error
var f *os.File
graph := GenerateGraph(vinfo, "CLIENT")
//Generate client volfile
err = getClientFilePath(vinfo, &cpath)
if err != nil {
return err
}
f, err = os.Create(cpath)
if err != nil {
return err
}
graph.DumpGraph(f)
f.Close()
// Generate brick volfiles
for _, b := range vinfo.Bricks {
// Create 'vols' directory.
vdir := utils.GetVolumeDir(vinfo.Name)
err := os.MkdirAll(vdir, os.ModeDir|os.ModePerm)
if err != nil {
return err
}
// Get brick volfile path
cpath = utils.GetBrickVolFilePath(vinfo.Name, b.Hostname, b.Path)
f, err = os.Create(cpath)
if err != nil {
return err
}
replacer := strings.NewReplacer(
"<volume-name>", vinfo.Name,
"<volume-id>", vinfo.ID.String(),
"<brick-path>", b.Path)
_, err = replacer.WriteString(f, brick.VolfileTemplate)
if err != nil {
return err
}
f.Close()
}
return nil
}