func (r *Stop) Run(env *tachyon.CommandEnv) (*tachyon.Result, error) {
conn, err := us.Dial()
if err != nil {
return nil, err
}
job, err := conn.Job(r.Name)
if err != nil {
return nil, err
}
err = job.Stop()
if err != nil {
if strings.Index(err.Error(), "Unknown instance") == 0 {
res := tachyon.NewResult(false)
res.Add("name", r.Name)
return res, nil
}
}
res := tachyon.NewResult(true)
res.Add("name", r.Name)
return res, nil
}
func (r *Restart) Run(env *tachyon.CommandEnv) (*tachyon.Result, error) {
conn, err := us.Dial()
if err != nil {
return nil, err
}
job, err := conn.Job(r.Name)
if err != nil {
return nil, err
}
inst, err := job.Restart()
if err != nil {
return nil, err
}
pid, err := inst.Pid()
if err != nil {
return nil, err
}
res := tachyon.NewResult(true)
res.Add("name", r.Name)
res.Add("pid", pid)
return res, nil
}
func (t *Task) Run(env *tachyon.CommandEnv) (*tachyon.Result, error) {
cfg := us.TaskConfig(t.Name, t.Command)
cfg.Instance = t.Instance
err := setScript(env, &cfg.PreStart, t.PreStart)
if err != nil {
return nil, err
}
err = setScript(env, &cfg.PostStart, t.PostStart)
if err != nil {
return nil, err
}
err = setScript(env, &cfg.PreStop, t.PreStop)
if err != nil {
return nil, err
}
err = setScript(env, &cfg.PostStop, t.PostStop)
if err != nil {
return nil, err
}
err = cfg.Install()
if err != nil {
return nil, err
}
res := tachyon.NewResult(true)
res.Add("name", t.Name)
return res, nil
}
func (r *Start) Run(env *tachyon.CommandEnv) (*tachyon.Result, error) {
conn, err := us.Dial()
if err != nil {
return nil, err
}
var ienv []string
for k, v := range r.Env {
ienv = append(ienv, fmt.Sprintf("%s=%s", k, v))
}
job, err := conn.Job(r.Name)
if err != nil {
return nil, err
}
inst, err := job.StartWithOptions(ienv, true)
if err != nil {
if strings.Index(err.Error(), "Job is already running") == 0 {
res := tachyon.NewResult(false)
res.Add("name", r.Name)
return res, nil
}
return nil, err
}
pid, err := inst.Pid()
if err != nil {
return nil, err
}
res := tachyon.NewResult(true)
res.Add("name", r.Name)
res.Add("pid", pid)
return res, nil
}
func (d *Daemon) Run(env *tachyon.CommandEnv) (*tachyon.Result, error) {
cfg := us.DaemonConfig(d.Name, d.Command)
cfg.Env = d.Env
if d.Foreground {
cfg.Foreground()
}
if d.OneFork {
cfg.Expect = "fork"
}
err := setScript(env, &cfg.PreStart, d.PreStart)
if err != nil {
return nil, err
}
err = setScript(env, &cfg.PostStart, d.PostStart)
if err != nil {
return nil, err
}
err = setScript(env, &cfg.PreStop, d.PreStop)
if err != nil {
return nil, err
}
err = setScript(env, &cfg.PostStop, d.PostStop)
if err != nil {
return nil, err
}
cfg.Instance = d.Instance
err = cfg.Install()
if err != nil {
return nil, err
}
res := tachyon.NewResult(true)
res.Add("name", d.Name)
return res, nil
}
func (s *S3) Run(env *tachyon.CommandEnv) (*tachyon.Result, error) {
auth, err := aws.GetAuth("", "", "", time.Time{})
if err != nil {
return nil, err
}
c := s3.New(auth, aws.USWest2)
b := c.Bucket(s.Bucket)
res := tachyon.NewResult(true)
res.Add("bucket", s.Bucket)
res.Add("remote", s.At)
if s.PutFile != "" {
path := env.Paths.File(s.PutFile)
f, err := os.Open(path)
if err != nil {
return nil, err
}
if f == nil {
return nil, fmt.Errorf("Unknown local file %s", s.PutFile)
}
defer f.Close()
var perm s3.ACL
if s.Public {
if s.Writable {
perm = s3.PublicReadWrite
} else {
perm = s3.PublicRead
}
} else {
perm = s3.Private
}
ct := s.ContentType
if ct == "" {
ct = "application/octet-stream"
}
fi, err := f.Stat()
if err != nil {
return nil, err
}
var (
input io.Reader
opts s3.Options
size int64
)
h := md5.New()
if s.GZip {
var buf bytes.Buffer
z := gzip.NewWriter(io.MultiWriter(h, &buf))
_, err = io.Copy(z, f)
if err != nil {
return nil, err
}
z.Close()
opts.ContentEncoding = "gzip"
input = &buf
size = int64(buf.Len())
} else {
input = io.TeeReader(f, h)
size = fi.Size()
}
err = b.PutReader(s.At, input, size, ct, perm, opts)
rep, err := b.Head(s.At, nil)
if err != nil {
return nil, err
}
localMD5 := hex.EncodeToString(h.Sum(nil))
res.Add("wrote", size)
res.Add("local", s.PutFile)
res.Add("md5", localMD5)
etag := rep.Header.Get("ETag")
if etag != "" {
etag = etag[1 : len(etag)-1]
if localMD5 != etag {
return nil, fmt.Errorf("corruption uploading file detected")
}
}
} else if s.GetFile != "" {
f, err := os.OpenFile(s.GetFile, os.O_CREATE|os.O_WRONLY, 0644)
if err != nil {
return nil, err
}
defer f.Close()
i, err := b.GetReader(s.At)
if err != nil {
return nil, err
}
defer i.Close()
n, err := io.Copy(f, i)
if err != nil {
return nil, err
}
res.Add("read", n)
res.Add("local", s.GetFile)
} else {
return nil, fmt.Errorf("Specify put_file or get_file")
}
return res, nil
}
func (a *Apt) Run(env *tachyon.CommandEnv) (*tachyon.Result, error) {
state := a.State
if state == "" {
state = "present"
}
if a.Cache {
home, err := tachyon.HomeDir()
if err != nil {
return nil, err
}
checkFile := filepath.Join(home, ".tachyon", "apt-cache-timestamp")
runUpdate := true
if a.CacheTime != "" {
fi, err := os.Stat(checkFile)
if err == nil {
dur, err := time.ParseDuration(a.CacheTime)
if err != nil {
return nil, fmt.Errorf("cache_time was not in the proper format")
}
runUpdate = time.Now().After(fi.ModTime().Add(dur))
}
}
if runUpdate {
_, err := tachyon.RunCommand(env, "apt-get", "update")
if err != nil {
return nil, err
}
ioutil.WriteFile(checkFile, []byte(``), 0666)
}
}
if a.Pkg == "" {
simp := tachyon.NewResult(true)
simp.Add("cache", "updated")
return simp, nil
}
out, err := tachyon.RunCommand(env, "apt-cache", "policy", a.Pkg)
if err != nil {
return nil, err
}
res := installed.FindSubmatch(out.Stdout)
if res == nil {
return nil, fmt.Errorf("No package '%s' available", a.Pkg)
}
curVer := string(res[1])
if curVer == "(none)" {
curVer = ""
}
res = candidate.FindSubmatch(out.Stdout)
if res == nil {
return nil, fmt.Errorf("Error parsing apt-cache output")
}
canVer := string(res[1])
if state == "absent" {
rd := tachyon.ResultData{}
if curVer == "" {
return tachyon.WrapResult(false, rd), nil
}
rd.Set("removed", curVer)
_, err = tachyon.RunCommand(env, "apt-get", "remove", "-y", a.Pkg)
if err != nil {
return nil, err
}
return tachyon.WrapResult(true, rd), nil
}
rd := tachyon.ResultData{}
rd.Set("installed", curVer)
rd.Set("candidate", canVer)
if state == "present" && curVer == canVer {
return tachyon.WrapResult(false, rd), nil
}
if a.Dry {
rd.Set("dryrun", true)
return tachyon.WrapResult(true, rd), nil
}
e := append(os.Environ(), "DEBIAN_FRONTEND=noninteractive", "DEBIAN_PRIORITY=critical")
_, err = tachyon.RunCommandInEnv(env, e, "apt-get", "install", "-y", a.Pkg)
if err != nil {
return nil, err
}
rd.Set("installed", canVer)
return tachyon.WrapResult(true, rd), nil
}
