Introduced tick counter and ExecuteSchedules for execution of recurrent no argument tasks

cmd/sysctl/main.go

@@ -59,10 +59,13 @@ func main() {
 
 	printDbDetails()
 
+	tick := 0
+
 	// infinite loop
 	for {
 
-		systemIterator(name)
+		tick++ // Tick is an int, so eventually will "go out of ticks?" Maybe we want to reset the ticks every once in a while, to avoid working with big numbers...
+		systemIterator(name, tick)
 
 	}
 
@@ -98,13 +101,16 @@ func isDatabaseReady() bool {
 	return false
 }
 
-func systemIterator(name *string) {
+func systemIterator(name *string, tick int) {
+	
+	log.Printf("Tick is %d", tick)
 
 	if isSystemReady() {
 		// Wait about 60 seconds before trying again.
 		log.Printf("System not ready. Next try will be executed in 60 seconds")
 		time.Sleep(defaultNotReadySleepTime)
 	} else {
+		tasks.ExecuteSchedules(tick)
 		// Wait about 1 second before resumming operations.
 		log.Printf("Next instruction will be executed 1 second")
 		time.Sleep(defaultSleepTime)

internal/tasks/tasks.go

@@ -143,7 +143,7 @@ func ExecuteTask(task Task) Task {
 	if task.Result.Valid {
 		db.Query("Update tasks SET status = 2, result = '" + task.Result.String + "' WHERE ID = " + strconv.Itoa(task.ID) + ";")
 	} else {
-		db.Query("Update tasks SET status = 2, result = 'Invalid Task' WHERE ID = " + strconv.Itoa(task.ID) + ";")
+		db.Query("Update tasks SET status = 3, result = 'Error' WHERE ID = " + strconv.Itoa(task.ID) + ";")
 	}
 
 	if err != nil {
@@ -156,6 +156,24 @@ func ExecuteTask(task Task) Task {
 
 }
 
+// ExecuteSchedules - Run Specific tasks without input each multiple x of ticks.
+func ExecuteSchedules(tick int) {
+
+	if tick%30 == 0 {
+		// Executing every 30 ticks
+		taskGetEdgeApps()
+
+	}
+
+	if tick%60 == 0 {
+		// Every 60 ticks...
+
+	}
+
+	// Just add a schedule here if you need a custom one (every "tick hour", every "tick day", etc...)
+
+}
+
 func executeCommand(command string, args []string) string {
 	cmd := exec.Command(command, args...)
 	var out bytes.Buffer
@@ -189,6 +207,21 @@ func taskSetupTunnel(args taskSetupTunnelArgs) string {
 
 }
 
+func taskGetEdgeApps() string {
+
+	fmt.Println("Executing taskGetEdgeApps")
+
+	// Building list of available edgeapps in the system.
+
+	// Querying to see which apps are running.
+	// cmdargs = []string{"ps", "-a"}
+	// executeCommand("docker", cmdargs)
+	// (...)
+
+	// Saving information in the "options" table.
+	return "OK"
+}
+
 func taskStartEdgeApp() string {
 
 	return "OK"