[WIP] Support for cloud version (#17)

* Added build-cloud to Makefile

* Fix env var key GOOS

* Added taskSetReleaseVersion for edgeboxctl version option write into DB

* taskGetSystemUptime to run every 5 ticks

* Added support for detecting main disk in cloud version

* Added missing import

* Finding main device in test

* Refactored GetDevices and test to use release_version

* Added utils.getIP function, set to run as a 60 tick scheduled task

* Added taskEnablePublicDashboard and taskDisablePublicDashboard

* Added utils.WriteOption and refactor, added enablePublicDashb0oard

* Finalizing online support for dashboard, cloud version support

* Added task SetupCloudOptions

* Added couple of func description comments

* Early return statement (thanks @inverse)

* Using IsPublicDashboard in DisablePublicDashboard func

* Added constants for release version and device types, added diagnostics.GetReleaseVersion

* Removed codecov from test action

internal/system/system.go

@@ -3,16 +3,23 @@ package system
 import (
 	"fmt"
 	"strconv"
+	"strings"
+
+	"github.com/edgebox-iot/edgeboxctl/internal/utils"
 
 	"github.com/shirou/gopsutil/host"
+	"github.com/joho/godotenv"
+
 )
 
+// GetUptimeInSeconds: Returns a value (as string) of the total system uptime
 func GetUptimeInSeconds() string {
 	uptime, _ := host.Uptime()
 
 	return strconv.FormatUint(uptime, 10)
 }
 
+// GetUptimeFormatted: Returns a humanized version that can be useful for logging
 func GetUptimeFormatted() string {
 	uptime, _ := host.Uptime()
 
@@ -21,3 +28,61 @@ func GetUptimeFormatted() string {
 	minutes := ((uptime - (days * 60 * 60 * 24)) - (hours * 60 * 60)) / 60
 	return fmt.Sprintf("%d days, %d hours, %d minutes", days, hours, minutes)
 }
+
+// GetIP: Returns the ip address of the instance 
+func GetIP() string {
+	ip := ""
+
+	// Trying to find a valid IP (For direct connection, not tunneled)
+	ethResult := utils.ExecAndGetLines("/", "ip", []string{"-o", "-4", "addr", "list", "eth0"})
+	for ethResult.Scan() {
+		adapterRawInfo := strings.Fields(ethResult.Text())
+		if ip == "" {
+			ip = strings.Split(adapterRawInfo[3], "/")[0]
+		}
+	}
+
+	// If no IP was found yet, try wlan0
+	if ip == "" {
+		wlanResult := utils.ExecAndGetLines("/", "ip", []string{"-o", "-4", "addr", "list", "wlan0"})
+		for wlanResult.Scan() {
+			adapterRawInfo := strings.Fields(wlanResult.Text())
+			if ip == "" {
+				ip = strings.Split(adapterRawInfo[3], "/")[0]
+			}
+		}
+	}
+
+	return ip
+}
+
+func GetHostname() string {
+	return utils.Exec("/", "hostname", []string{})
+}
+
+// SetupCloudOptions: Reads the designated env file looking for options to write into the options table. Meant to be used on initial setup. Deletes source env file after operation.
+func SetupCloudOptions() {
+
+	var cloudEnv map[string]string
+	cloudEnv, err := godotenv.Read(utils.GetPath("cloudEnvFileLocation"))
+
+	if err != nil {
+		fmt.Println("Error loading .env file for cloud version setup")
+	}
+
+	if cloudEnv["NAME"] != "" {
+		utils.WriteOption("NAME", cloudEnv["NAME"])
+	}
+
+	if cloudEnv["EMAIL"] != "" {
+		utils.WriteOption("EMAIL", cloudEnv["EMAIL"])
+	}
+
+	if cloudEnv["EDGEBOXIO_API_TOKEN"] != "" {
+		utils.WriteOption("EDGEBOXIO_API_TOKEN", cloudEnv["EDGEBOXIO_API_TOKEN"])
+	}
+
+	// In the end of this operation takes place, remove the env file as to not overwrite any options once they are set.
+	utils.Exec("/", "rm", []string{utils.GetPath("cloudEnvFileLocation")})
+
+}