+/*
+ * Copyright (C) 2017-2018 "IoT.bzh"
+ * Author Sebastien Douheret <sebastien@iot.bzh>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
package st
import (
"regexp"
+ common "gerrit.automotivelinux.org/gerrit/src/xds/xds-common.git/golib"
+ "gerrit.automotivelinux.org/gerrit/src/xds/xds-server/lib/xdsconfig"
"github.com/Sirupsen/logrus"
- common "github.com/iotbzh/xds-common/golib"
- "github.com/iotbzh/xds-server/lib/xdsconfig"
"github.com/syncthing/syncthing/lib/config"
)
// SyncThing .
type SyncThing struct {
- BaseURL string
- APIKey string
- Home string
- STCmd *exec.Cmd
- STICmd *exec.Cmd
+ BaseURL string
+ APIKey string
+ Home string
+ STCmd *exec.Cmd
+ STICmd *exec.Cmd
+ MyID string
+ Connected bool
+ Events *Events
// Private fields
binDir string
logsDir string
exitSTChan chan ExitChan
exitSTIChan chan ExitChan
- conf *xdsconfig.Config
client *common.HTTPClient
log *logrus.Logger
+ conf *xdsconfig.Config
}
// ExitChan Channel used for process exit
// NewSyncThing creates a new instance of Syncthing
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 {
}
if url == "" {
- url = "http://localhost:8384"
+ url = "http://localhost:8385"
}
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"
- }
+ panic("home parameter must be set")
}
s := SyncThing{
conf: conf,
}
+ // Create Events monitoring
+ s.Events = s.NewEventListener()
+
return &s
}
// Start Starts syncthing process
func (s *SyncThing) startProc(exeName string, args []string, env []string, eChan *chan ExitChan) (*exec.Cmd, error) {
+ var err error
+ var exePath string
// Kill existing process (useful for debug ;-) )
if os.Getenv("DEBUG_MODE") != "" {
- exec.Command("bash", "-c", "pkill -9 "+exeName).Output()
+ fmt.Printf("\n!!! DEBUG_MODE set: KILL existing %s process(es) !!!\n", exeName)
+ exec.Command("bash", "-c", "ps -ax |grep "+exeName+" |grep "+s.BaseURL+" |cut -d' ' -f 1|xargs -I{} kill -9 {}").Output()
}
- path, err := exec.LookPath(path.Join(s.binDir, exeName))
+ // When not set (or set to '.') set bin to path of xds-agent executable
+ bdir := s.binDir
+ if bdir == "" || bdir == "." {
+ exe, _ := os.Executable()
+ if exeAbsPath, err := filepath.Abs(exe); err == nil {
+ if exePath, err := filepath.EvalSymlinks(exeAbsPath); err == nil {
+ bdir = filepath.Dir(exePath)
+ }
+ }
+ }
+
+ exePath, err = exec.LookPath(path.Join(bdir, exeName))
if err != nil {
- return nil, fmt.Errorf("Cannot find %s executable in %s", exeName, s.binDir)
+ // Let's try in /opt/AGL/bin
+ exePath, err = exec.LookPath(path.Join("opt", "AGL", "bin", exeName))
+ if err != nil {
+ return nil, fmt.Errorf("Cannot find %s executable in %s", exeName, bdir)
+ }
}
- cmd := exec.Command(path, args...)
+ cmd := exec.Command(exePath, args...)
cmd.Env = os.Environ()
for _, ev := range env {
cmd.Env = append(cmd.Env, ev)
cmdOut, err := cmd.StdoutPipe()
if err != nil {
- return nil, fmt.Errorf("Pipe stdout error for : %s", err)
+ return nil, fmt.Errorf("Pipe stdout error for : %v", err)
}
go io.Copy(outfile, cmdOut)
env := []string{
"STNODEFAULTFOLDER=1",
"STNOUPGRADE=1",
- "STNORESTART=1",
}
s.STCmd, err = s.startProc("syncthing", args, env, &s.exitSTChan)
- // Use autogenerated apikey if not set by config.json
- if s.APIKey == "" {
+ // Use autogenerated apikey if not set by server-config.json
+ if err == nil && 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 {
// Connect Establish HTTP connection with Syncthing
func (s *SyncThing) Connect() error {
var err error
+ s.Connected = false
s.client, err = common.HTTPNewClient(s.BaseURL,
common.HTTPClientConfig{
URLPrefix: "/rest",
HeaderClientKeyName: "X-Syncthing-ID",
+ LogOut: s.conf.LogVerboseOut,
+ LogPrefix: "SYNCTHING: ",
+ LogLevel: common.HTTPLogLevelWarning,
})
+ s.client.SetLogLevel(s.log.Level.String())
+
if err != nil {
msg := ": " + err.Error()
if strings.Contains(err.Error(), "connection refused") {
return fmt.Errorf("ERROR: cannot connect to Syncthing (null client)")
}
- s.client.SetLogger(s.log)
+ s.MyID, err = s.IDGet()
+ if err != nil {
+ return fmt.Errorf("ERROR: cannot retrieve ID")
+ }
+
+ s.Connected = true
- return nil
+ // Start events monitoring
+ err = s.Events.Start()
+
+ return err
}
// IDGet returns the Syncthing ID of Syncthing instance running locally
}
return d.ConfigInSync, nil
}
-
-// FolderStatus Returns all information about the current
-func (s *SyncThing) FolderStatus(folderID string) (*FolderStatus, error) {
- var data []byte
- var res FolderStatus
- if folderID == "" {
- return nil, fmt.Errorf("folderID not set")
- }
- if err := s.client.HTTPGet("db/status?folder="+folderID, &data); err != nil {
- return nil, err
- }
- if err := json.Unmarshal(data, &res); err != nil {
- return nil, err
- }
- return &res, nil
-}
-
-// IsFolderInSync Returns true when folder is in sync
-func (s *SyncThing) IsFolderInSync(folderID string) (bool, error) {
- // FIXME better to detected FolderCompletion event (/rest/events)
- // See https://docs.syncthing.net/dev/events.html
- sts, err := s.FolderStatus(folderID)
- if err != nil {
- return false, err
- }
- return sts.NeedBytes == 0, nil
-}
-
-// FolderScan Request immediate folder scan.
-// Scan all folders if folderID param is empty
-func (s *SyncThing) FolderScan(folderID string, subpath string) error {
- url := "db/scan"
- if folderID != "" {
- url += "?folder=" + folderID
-
- if subpath != "" {
- url += "&sub=" + subpath
- }
- }
- return s.client.HTTPPost(url, "")
-}