+/*
+ * 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 (
"os/exec"
+ "gerrit.automotivelinux.org/gerrit/src/xds/xds-agent/lib/xdsconfig"
+ common "gerrit.automotivelinux.org/gerrit/src/xds/xds-common.git/golib"
"github.com/Sirupsen/logrus"
- "github.com/iotbzh/xds-agent/lib/xdsconfig"
- common "github.com/iotbzh/xds-common/golib"
"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
exitSTIChan chan ExitChan
client *common.HTTPClient
log *logrus.Logger
+ conf *xdsconfig.Config
}
// ExitChan Channel used for process exit
err error
}
+// ConfigInSync Check whether if Syncthing configuration is in sync
+type configInSync struct {
+ ConfigInSync bool `json:"configInSync"`
+}
+
+// FolderStatus Information about the current status of a folder.
+type FolderStatus struct {
+ GlobalFiles int `json:"globalFiles"`
+ GlobalDirectories int `json:"globalDirectories"`
+ GlobalSymlinks int `json:"globalSymlinks"`
+ GlobalDeleted int `json:"globalDeleted"`
+ GlobalBytes int64 `json:"globalBytes"`
+
+ LocalFiles int `json:"localFiles"`
+ LocalDirectories int `json:"localDirectories"`
+ LocalSymlinks int `json:"localSymlinks"`
+ LocalDeleted int `json:"localDeleted"`
+ LocalBytes int64 `json:"localBytes"`
+
+ NeedFiles int `json:"needFiles"`
+ NeedDirectories int `json:"needDirectories"`
+ NeedSymlinks int `json:"needSymlinks"`
+ NeedDeletes int `json:"needDeletes"`
+ NeedBytes int64 `json:"needBytes"`
+
+ InSyncFiles int `json:"inSyncFiles"`
+ InSyncBytes int64 `json:"inSyncBytes"`
+
+ State string `json:"state"`
+ StateChanged time.Time `json:"stateChanged"`
+
+ Sequence int64 `json:"sequence"`
+
+ IgnorePatterns bool `json:"ignorePatterns"`
+}
+
// 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:8386"
}
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{
binDir: binDir,
logsDir: conf.FileConf.LogsDir,
log: log,
+ 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()
+ if _, dbg := os.LookupEnv("XDS_DEBUG_MODE"); dbg {
+ 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)
"STNOUPGRADE=1",
}
+ /* FIXME - STILL NEEDED ?, if not SUP code
+
// XXX - temporary hack because -gui-apikey seems to correctly handle by
// syncthing the early first time
stConfigFile := filepath.Join(s.Home, "config.xml")
return nil, fmt.Errorf("Cannot write Syncthing config file to set apikey")
}
}
-
+ */
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(stConfigFile); err == nil {
+ // Use autogenerated apikey if not set by agent-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 {
re := regexp.MustCompile("<apikey>(.*)</apikey>")
// 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.SetLogLevel(s.log.Level.String())
- s.client.LoggerPrefix = "SYNCTHING: "
- s.client.LoggerOut = s.log.Out
+ 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 s.client.HTTPPost("system/config", string(body))
}
+
+// IsConfigInSync Returns true if configuration is in sync
+func (s *SyncThing) IsConfigInSync() (bool, error) {
+ var data []byte
+ var d configInSync
+ if err := s.client.HTTPGet("system/config/insync", &data); err != nil {
+ return false, err
+ }
+ if err := json.Unmarshal(data, &d); err != nil {
+ return false, err
+ }
+ return d.ConfigInSync, nil
+}