update xds-server package in docker

scripts/package-update: bash scripts to update xds-server package in docker
monitor updates: default time is 24h, a update is tried at startup
api/v1: 2 new requests:
    - get(updates): return various information about xds-server packages
    - post(updates): update xds-server packages

Change-Id: I1673f7860e57cfe1d4abe5a24609ee46a90b67d8
Signed-off-by: Clément Bénier <clement.benier@iot.bzh>

1 files changed, 28 insertions, 22 deletions

diff --git a/lib/xdsserver/xdsserver.go b/lib/xdsserver/xdsserver.go
index 1079eba..e96ab57 100644
--- a/lib/xdsserver/xdsserver.go
+++ b/lib/xdsserver/xdsserver.go
@@ -37,22 +37,23 @@ const cookieMaxAge = "3600"
 
 // Context holds the XDS server context
 type Context struct {
-	ProgName      string
-	Cli           *cli.Context
-	Config        *xdsconfig.Config
-	Log           *logrus.Logger
-	LogLevelSilly bool
-	LogSillyf     func(format string, args ...interface{})
-	SThg          *st.SyncThing
-	SThgCmd       *exec.Cmd
-	SThgInotCmd   *exec.Cmd
-	mfolders      *Folders
-	sdks          *SDKs
-	targets       *Targets
-	WWWServer     *WebServer
-	sessions      *Sessions
-	events        *Events
-	Exit          chan os.Signal
+	ProgName         string
+	Cli              *cli.Context
+	Config           *xdsconfig.Config
+	Log              *logrus.Logger
+	LogLevelSilly    bool
+	LogSillyf        func(format string, args ...interface{})
+	SThg             *st.SyncThing
+	SThgCmd          *exec.Cmd
+	SThgInotCmd      *exec.Cmd
+	mfolders         *Folders
+	sdks             *SDKs
+	targets          *Targets
+	WWWServer        *WebServer
+	sessions         *Sessions
+	events           *Events
+	lockXdsSrvUpdate LockXdsUpdate
+	Exit             chan os.Signal
 }
 
 // NewXdsServer Create a new instance of XDS server
@@ -83,12 +84,13 @@ func NewXdsServer(cliCtx *cli.Context) *Context {
 
 	// Define default configuration
 	ctx := Context{
-		ProgName:      cliCtx.App.Name,
-		Cli:           cliCtx,
-		Log:           log,
-		LogLevelSilly: logSilly,
-		LogSillyf:     sillyFunc,
-		Exit:          make(chan os.Signal, 1),
+		ProgName:         cliCtx.App.Name,
+		Cli:              cliCtx,
+		Log:              log,
+		LogLevelSilly:    logSilly,
+		LogSillyf:        sillyFunc,
+		lockXdsSrvUpdate: LockXdsUpdate{LockCpt: 0},
+		Exit:             make(chan os.Signal, 1),
 	}
 
 	// register handler on SIGTERM / exit
@@ -206,6 +208,10 @@ func (ctx *Context) Run() (int, error) {
 	// Sessions manager
 	ctx.sessions = ClientSessionsConstructor(ctx, cookieMaxAge)
 
+	// Check if a new package version is available
+	// and monitor updates
+	MonitorUpdates(ctx)
+
 	// Run Web Server until exit requested (blocking call)
 	if err = ctx.WWWServer.Serve(); err != nil {
 		ctx.Log.Println(err)