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 ctx.Config.LogVerboseOut = os.Stderr
121 if ctx.Config.FileConf.LogsDir != "" {
122 if logfilename != "stdout" {
123 if logfilename == "" {
124 logfilename = "xds-server.log"
126 // is it an absolute path ?
127 logFile := logfilename
128 if logfilename[0] == '.' || logfilename[0] != '/' {
129 logFile = filepath.Join(ctx.Config.FileConf.LogsDir, logfilename)
131 fmt.Printf("Logging file: %s\n", logFile)
132 fdL, err := os.OpenFile(logFile, os.O_CREATE|os.O_TRUNC|os.O_WRONLY, 0666)
134 msgErr := fmt.Sprintf("Cannot create log file %s", logFile)
135 return cli.NewExitError(msgErr, int(syscall.EPERM))
140 logFileHTTPReq := filepath.Join(ctx.Config.FileConf.LogsDir, "xds-server-verbose.log")
141 fmt.Printf("Logging file for HTTP requests: %s\n", logFileHTTPReq)
142 fdLH, err := os.OpenFile(logFileHTTPReq, os.O_CREATE|os.O_TRUNC|os.O_WRONLY, 0666)
144 msgErr := fmt.Sprintf("Cannot create log file %s", logFileHTTPReq)
145 return cli.NewExitError(msgErr, int(syscall.EPERM))
147 ctx.Config.LogVerboseOut = fdLH
150 // Create syncthing instance when section "syncthing" is present in config.json
151 if ctx.Config.FileConf.SThgConf != nil {
152 ctx.SThg = st.NewSyncThing(ctx.Config, ctx.Log)
155 // Start local instance of Syncthing and Syncthing-notify
157 ctx.Log.Infof("Starting Syncthing...")
158 ctx.SThgCmd, err = ctx.SThg.Start()
160 return cli.NewExitError(err, -4)
162 fmt.Printf("Syncthing started (PID %d)\n", ctx.SThgCmd.Process.Pid)
164 ctx.Log.Infof("Starting Syncthing-inotify...")
165 ctx.SThgInotCmd, err = ctx.SThg.StartInotify()
167 return cli.NewExitError(err, -4)
169 fmt.Printf("Syncthing-inotify started (PID %d)\n", ctx.SThgInotCmd.Process.Pid)
171 // Establish connection with local Syncthing (retry if connection fail)
172 fmt.Printf("Establishing connection with Syncthing...\n")
173 time.Sleep(2 * time.Second)
178 if err = ctx.SThg.Connect(); err == nil {
181 ctx.Log.Warningf("Establishing connection to Syncthing (retry %d/%d)", retry, maxRetry)
182 time.Sleep(time.Second)
185 if err != nil || retry == 0 {
186 return cli.NewExitError(err, -4)
189 // FIXME: do we still need Builder notion ? if no cleanup
190 if ctx.Config.Builder, err = xdsconfig.NewBuilderConfig(ctx.SThg.MyID); err != nil {
191 return cli.NewExitError(err, -4)
196 ctx.MFolders = model.FoldersNew(ctx.Config, ctx.SThg)
198 // Load initial folders config from disk
199 if err := ctx.MFolders.LoadConfig(); err != nil {
200 return cli.NewExitError(err, -5)
204 ctx.SDKs, err = crosssdk.Init(ctx.Config, ctx.Log)
206 return cli.NewExitError(err, -6)
209 // Create and start Web Server
210 ctx.WWWServer = webserver.New(ctx.Config, ctx.MFolders, ctx.SDKs, ctx.Log)
211 if err = ctx.WWWServer.Serve(); err != nil {
213 return cli.NewExitError(err, -7)
216 return cli.NewExitError("Program exited ", -99)
222 // Create a new instance of the logger
225 // Create a new App instance
228 app.Description = appDescription
230 app.Version = AppVersion + " (" + AppSubVersion + ")"
231 app.Authors = appAuthors
232 app.Copyright = appCopyright
233 app.Metadata = make(map[string]interface{})
234 app.Metadata["version"] = AppVersion
235 app.Metadata["git-tag"] = AppSubVersion
236 app.Metadata["logger"] = log
238 app.Flags = []cli.Flag{
241 Usage: "JSON config file to use\n\t",
242 EnvVar: "APP_CONFIG",
247 Usage: "logging level (supported levels: panic, fatal, error, warn, info, debug)\n\t",
253 Usage: "filename where logs will be redirected (default stdout)\n\t",
254 EnvVar: "LOG_FILENAME",
257 Name: "no-folderconfig, nfc",
258 Usage: fmt.Sprintf("Do not read folder config file (%s)\n\t", xdsconfig.FoldersConfigFilename),
259 EnvVar: "NO_FOLDERCONFIG",
263 // only one action: Web Server