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authorSebastien Douheret <sebastien.douheret@iot.bzh>2017-05-17 17:10:45 +0200
committerSebastien Douheret <sebastien.douheret@iot.bzh>2017-05-17 17:10:45 +0200
commita50baa7c309f7eb55fe87c71f4c688ace325b6ac (patch)
tree14ed08e3abad729bce718bfbd596eb62d1676675 /lib/syncthing/st.go
parent59784289d1d0296e470c46dc279aa3576c60801e (diff)
Add logsDir setting and more
- add logsDir setting in config.json - redirect Syncthing and Syncthing-inotify into log files - Use autogenerated Syncthing apikey if gui-apikey not set in config.json
Diffstat (limited to 'lib/syncthing/st.go')
-rw-r--r--lib/syncthing/st.go126
1 files changed, 95 insertions, 31 deletions
diff --git a/lib/syncthing/st.go b/lib/syncthing/st.go
index e513876..5976e2f 100644
--- a/lib/syncthing/st.go
+++ b/lib/syncthing/st.go
@@ -2,9 +2,12 @@ package st
import (
"encoding/json"
+ "io"
"io/ioutil"
"os"
"path"
+ "path/filepath"
+ "regexp"
"strings"
"syscall"
"time"
@@ -22,47 +25,65 @@ import (
// SyncThing .
type SyncThing struct {
BaseURL string
- ApiKey string
+ APIKey string
Home string
STCmd *exec.Cmd
STICmd *exec.Cmd
// Private fields
binDir string
+ logsDir string
exitSTChan chan ExitChan
exitSTIChan chan ExitChan
client *common.HTTPClient
log *logrus.Logger
}
-// Monitor process exit
+// ExitChan Channel used for process exit
type ExitChan struct {
status int
err error
}
// NewSyncThing creates a new instance of Syncthing
-//func NewSyncThing(url string, apiKey string, home string, log *logrus.Logger) *SyncThing {
-func NewSyncThing(conf *xdsconfig.SyncThingConf, log *logrus.Logger) *SyncThing {
- url := conf.GuiAddress
- apiKey := conf.GuiAPIKey
- home := conf.Home
+func NewSyncThing(conf *xdsconfig.Config, log *logrus.Logger) *SyncThing {
+ var url, apiKey, home, binDir string
+ var err error
+
+ stCfg := conf.FileConf.SThgConf
+ if stCfg != nil {
+ url = stCfg.GuiAddress
+ apiKey = stCfg.GuiAPIKey
+ home = stCfg.Home
+ binDir = stCfg.BinDir
+ }
+
+ if url == "" {
+ url = "http://localhost:8384"
+ }
+ if url[0:7] != "http://" {
+ url = "http://" + url
+ }
+
+ if home == "" {
+ home = "/mnt/share"
+ }
+
+ if binDir == "" {
+ if binDir, err = filepath.Abs(filepath.Dir(os.Args[0])); err != nil {
+ binDir = "/usr/local/bin"
+ }
+ }
s := SyncThing{
BaseURL: url,
- ApiKey: apiKey,
+ APIKey: apiKey,
Home: home,
- binDir: conf.BinDir,
+ binDir: binDir,
+ logsDir: conf.FileConf.LogsDir,
log: log,
}
- if s.BaseURL == "" {
- s.BaseURL = "http://localhost:8384"
- }
- if s.BaseURL[0:7] != "http://" {
- s.BaseURL = "http://" + s.BaseURL
- }
-
return &s
}
@@ -84,28 +105,43 @@ func (s *SyncThing) startProc(exeName string, args []string, env []string, eChan
cmd.Env = append(cmd.Env, ev)
}
+ // open log file
+ var outfile *os.File
+ logFilename := filepath.Join(s.logsDir, exeName+".log")
+ if s.logsDir != "" {
+ outfile, err := os.Create(logFilename)
+ if err != nil {
+ return nil, fmt.Errorf("Cannot create log file %s", logFilename)
+ }
+
+ cmdOut, err := cmd.StdoutPipe()
+ if err != nil {
+ return nil, fmt.Errorf("Pipe stdout error for : %s", err)
+ }
+
+ go io.Copy(outfile, cmdOut)
+ }
+
err = cmd.Start()
if err != nil {
return nil, err
}
*eChan = make(chan ExitChan, 1)
- go func(c *exec.Cmd) {
+ go func(c *exec.Cmd, oF *os.File) {
status := 0
- cmdOut, err := c.StdoutPipe()
- if err == nil {
- s.log.Errorf("Pipe stdout error for : %s", err)
- } else if cmdOut != nil {
- stdOutput, _ := ioutil.ReadAll(cmdOut)
- fmt.Printf("STDOUT: %s\n", stdOutput)
- }
sts, err := c.Process.Wait()
if !sts.Success() {
s := sts.Sys().(syscall.WaitStatus)
status = s.ExitStatus()
}
+ if oF != nil {
+ oF.Close()
+ }
+ s.log.Debugf("%s exited with status %d, err %v", exeName, status, err)
+
*eChan <- ExitChan{status, err}
- }(cmd)
+ }(cmd, outfile)
return cmd, nil
}
@@ -113,14 +149,19 @@ func (s *SyncThing) startProc(exeName string, args []string, env []string, eChan
// Start Starts syncthing process
func (s *SyncThing) Start() (*exec.Cmd, error) {
var err error
+
+ s.log.Infof(" ST home=%s", s.Home)
+ s.log.Infof(" ST url=%s", s.BaseURL)
+
args := []string{
"--home=" + s.Home,
"-no-browser",
"--gui-address=" + s.BaseURL,
}
- if s.ApiKey != "" {
- args = append(args, "-gui-apikey=\""+s.ApiKey+"\"")
+ if s.APIKey != "" {
+ args = append(args, "-gui-apikey=\""+s.APIKey+"\"")
+ s.log.Infof(" ST apikey=%s", s.APIKey)
}
if s.log.Level == logrus.DebugLevel {
args = append(args, "-verbose")
@@ -132,38 +173,58 @@ func (s *SyncThing) Start() (*exec.Cmd, error) {
s.STCmd, err = s.startProc("syncthing", args, env, &s.exitSTChan)
+ // Use autogenerated apikey if not set by config.json
+ if s.APIKey == "" {
+ if fd, err := os.Open(filepath.Join(s.Home, "config.xml")); err == nil {
+ defer fd.Close()
+ if b, err := ioutil.ReadAll(fd); err == nil {
+ re := regexp.MustCompile("<apikey>(.*)</apikey>")
+ key := re.FindStringSubmatch(string(b))
+ if len(key) >= 1 {
+ s.APIKey = key[1]
+ }
+ }
+ }
+ }
+
return s.STCmd, err
}
// StartInotify Starts syncthing-inotify process
func (s *SyncThing) StartInotify() (*exec.Cmd, error) {
var err error
+ exeName := "syncthing-inotify"
+
+ s.log.Infof(" STI url=%s", s.BaseURL)
args := []string{
- "--home=" + s.Home,
"-target=" + s.BaseURL,
}
+ if s.APIKey != "" {
+ args = append(args, "-api="+s.APIKey)
+ s.log.Infof("%s uses apikey=%s", exeName, s.APIKey)
+ }
if s.log.Level == logrus.DebugLevel {
args = append(args, "-verbosity=4")
}
env := []string{}
- s.STICmd, err = s.startProc("syncthing-inotify", args, env, &s.exitSTIChan)
+ s.STICmd, err = s.startProc(exeName, args, env, &s.exitSTIChan)
return s.STICmd, err
}
func (s *SyncThing) stopProc(pname string, proc *os.Process, exit chan ExitChan) {
if err := proc.Signal(os.Interrupt); err != nil {
- s.log.Errorf("Proc interrupt %s error: %s", pname, err.Error())
+ s.log.Infof("Proc interrupt %s error: %s", pname, err.Error())
select {
case <-exit:
case <-time.After(time.Second):
// A bigger bonk on the head.
if err := proc.Signal(os.Kill); err != nil {
- s.log.Errorf("Proc term %s error: %s", pname, err.Error())
+ s.log.Infof("Proc term %s error: %s", pname, err.Error())
}
<-exit
}
@@ -207,6 +268,9 @@ func (s *SyncThing) Connect() error {
if s.client == nil {
return fmt.Errorf("ERROR: cannot connect to Syncthing (null client)")
}
+
+ s.client.SetLogger(s.log)
+
return nil
}