Introduced ExecAndStream for execution with progress output

internal/edgeapps/edgeapps.go

@@ -265,7 +265,7 @@ func DisableOnline(ID string) MaybeEdgeApp {
 func buildFrameworkContainers() {
 
 	cmdArgs := []string{utils.GetPath("wsPath") + "ws", "--build"}
-	utils.Exec("sh", cmdArgs)
+	utils.ExecAndStream("sh", cmdArgs)
 
 	time.Sleep(defaultContainerOperationSleepTime)
 

internal/utils/utils.go

@@ -3,12 +3,35 @@ package utils
 import (
 	"bytes"
 	"fmt"
+	"io"
 	"log"
+	"os"
 	"os/exec"
 
 	"github.com/joho/godotenv"
 )
 
+// ExecAndStream : Runs a terminal command, but streams progress instead of outputting. Ideal for long lived process that need to be logged.
+func ExecAndStream(command string, args []string) {
+
+	cmd := exec.Command(command, args...)
+
+	var stdoutBuf, stderrBuf bytes.Buffer
+	cmd.Stdout = io.MultiWriter(os.Stdout, &stdoutBuf)
+	cmd.Stderr = io.MultiWriter(os.Stderr, &stderrBuf)
+	cmd.Dir = GetPath("wsPath")
+
+	err := cmd.Run()
+
+	if err != nil {
+		log.Fatalf("cmd.Run() failed with %s\n", err)
+	}
+
+	outStr, errStr := string(stdoutBuf.Bytes()), string(stderrBuf.Bytes())
+	fmt.Printf("\nout:\n%s\nerr:\n%s\n", outStr, errStr)
+
+}
+
 // Exec : Runs a terminal Command, catches and logs errors, returns the result.
 func Exec(command string, args []string) string {
 	cmd := exec.Command(command, args...)