14 "github.com/Sirupsen/logrus"
15 "github.com/codegangsta/cli"
16 "github.com/iotbzh/xds-server/lib/crosssdk"
17 "github.com/iotbzh/xds-server/lib/model"
18 "github.com/iotbzh/xds-server/lib/syncthing"
19 "github.com/iotbzh/xds-server/lib/webserver"
20 "github.com/iotbzh/xds-server/lib/xdsconfig"
24 appName = "xds-server"
25 appDescription = "X(cross) Development System Server is a web server that allows to remotely cross build applications."
26 appCopyright = "Apache-2.0"
27 appUsage = "X(cross) Development System Server"
30 var appAuthors = []cli.Author{
31 cli.Author{Name: "Sebastien Douheret", Email: "sebastien@iot.bzh"},
34 // AppVersion is the version of this application
35 var AppVersion = "?.?.?"
37 // AppSubVersion is the git tag id added to version string
38 // Should be set by compilation -ldflags "-X main.AppSubVersion=xxx"
39 var AppSubVersion = "unknown-dev"
41 // Context holds the XDS server context
45 Config *xdsconfig.Config
50 MFolders *model.Folders
52 WWWServer *webserver.Server
56 // NewContext Create a new instance of XDS server
57 func NewContext(cliCtx *cli.Context) *Context {
60 // Set logger level and formatter
61 log := cliCtx.App.Metadata["logger"].(*logrus.Logger)
63 logLevel := cliCtx.GlobalString("log")
65 logLevel = "error" // FIXME get from Config DefaultLogLevel
67 if log.Level, err = logrus.ParseLevel(logLevel); err != nil {
68 fmt.Printf("Invalid log level : \"%v\"\n", logLevel)
71 log.Formatter = &logrus.TextFormatter{}
73 // Define default configuration
75 ProgName: cliCtx.App.Name,
78 Exit: make(chan os.Signal, 1),
81 // register handler on SIGTERM / exit
82 signal.Notify(ctx.Exit, os.Interrupt, syscall.SIGTERM)
83 go handlerSigTerm(&ctx)
88 // Handle exit and properly stop/close all stuff
89 func handlerSigTerm(ctx *Context) {
92 ctx.Log.Infof("Stoping Syncthing... (PID %d)", ctx.SThgCmd.Process.Pid)
94 ctx.Log.Infof("Stoping Syncthing-inotify... (PID %d)", ctx.SThgInotCmd.Process.Pid)
95 ctx.SThg.StopInotify()
97 if ctx.WWWServer != nil {
98 ctx.Log.Infof("Stoping Web server...")
104 // XDS Server application main routine
105 func xdsApp(cliCtx *cli.Context) error {
108 // Create XDS server context
109 ctx := NewContext(cliCtx)
112 cfg, err := xdsconfig.Init(ctx.Cli, ctx.Log)
114 return cli.NewExitError(err, -2)
118 // Logs redirected into a file when logsDir is set
119 logfilename := cliCtx.GlobalString("logfile")
120 if ctx.Config.FileConf.LogsDir != "" && logfilename != "stdout" {
121 if logfilename == "" {
122 logfilename = "xds-server.log"
124 // is it an absolute path ?
125 logFile := logfilename
126 if logfilename[0] == '.' || logfilename[0] != '/' {
127 logFile = filepath.Join(ctx.Config.FileConf.LogsDir, logfilename)
129 fmt.Printf("Logging file: %s\n", logFile)
130 fdL, err := os.OpenFile(logFile, os.O_CREATE|os.O_TRUNC|os.O_WRONLY, 0666)
132 msgErr := fmt.Sprintf("Cannot create log file %s", logFile)
133 return cli.NewExitError(msgErr, int(syscall.EPERM))
138 // Create syncthing instance when section "syncthing" is present in config.json
139 if ctx.Config.FileConf.SThgConf != nil {
140 ctx.SThg = st.NewSyncThing(ctx.Config, ctx.Log)
143 // Start local instance of Syncthing and Syncthing-notify
145 ctx.Log.Infof("Starting Syncthing...")
146 ctx.SThgCmd, err = ctx.SThg.Start()
148 return cli.NewExitError(err, -4)
150 fmt.Printf("Syncthing started (PID %d)\n", ctx.SThgCmd.Process.Pid)
152 ctx.Log.Infof("Starting Syncthing-inotify...")
153 ctx.SThgInotCmd, err = ctx.SThg.StartInotify()
155 return cli.NewExitError(err, -4)
157 fmt.Printf("Syncthing-inotify started (PID %d)\n", ctx.SThgInotCmd.Process.Pid)
159 // Establish connection with local Syncthing (retry if connection fail)
160 fmt.Printf("Establishing connection with Syncthing...\n")
161 time.Sleep(2 * time.Second)
166 if err = ctx.SThg.Connect(); err == nil {
169 ctx.Log.Warningf("Establishing connection to Syncthing (retry %d/%d)", retry, maxRetry)
170 time.Sleep(time.Second)
173 if err != nil || retry == 0 {
174 return cli.NewExitError(err, -4)
177 // FIXME: do we still need Builder notion ? if no cleanup
178 if ctx.Config.Builder, err = xdsconfig.NewBuilderConfig(ctx.SThg.MyID); err != nil {
179 return cli.NewExitError(err, -4)
184 ctx.MFolders = model.FoldersNew(ctx.Config, ctx.SThg)
186 // Load initial folders config from disk
187 if err := ctx.MFolders.LoadConfig(); err != nil {
188 return cli.NewExitError(err, -5)
192 ctx.SDKs, err = crosssdk.Init(ctx.Config, ctx.Log)
194 return cli.NewExitError(err, -6)
197 // Create and start Web Server
198 ctx.WWWServer = webserver.New(ctx.Config, ctx.MFolders, ctx.SDKs, ctx.Log)
199 if err = ctx.WWWServer.Serve(); err != nil {
201 return cli.NewExitError(err, -7)
204 return cli.NewExitError("Program exited ", -99)
210 // Create a new instance of the logger
213 // Create a new App instance
216 app.Description = appDescription
218 app.Version = AppVersion + " (" + AppSubVersion + ")"
219 app.Authors = appAuthors
220 app.Copyright = appCopyright
221 app.Metadata = make(map[string]interface{})
222 app.Metadata["version"] = AppVersion
223 app.Metadata["git-tag"] = AppSubVersion
224 app.Metadata["logger"] = log
226 app.Flags = []cli.Flag{
229 Usage: "JSON config file to use\n\t",
230 EnvVar: "APP_CONFIG",
235 Usage: "logging level (supported levels: panic, fatal, error, warn, info, debug)\n\t",
241 Usage: "filename where logs will be redirected (default stdout)\n\t",
242 EnvVar: "LOG_FILENAME",
245 Name: "no-folderconfig, nfc",
246 Usage: fmt.Sprintf("Do not read folder config file (%s)\n\t", xdsconfig.FoldersConfigFilename),
247 EnvVar: "NO_FOLDERCONFIG",
251 // only one action: Web Server