OVA: workaround for virt-v2v firmware detection

Signed-off-by: Bella Khizgiyaev <bkhizgiy@redhat.com>

pkg/controller/plan/BUILD.bazel

@@ -23,7 +23,6 @@ go_library(
         "//pkg/controller/base",
         "//pkg/controller/plan/adapter",
         "//pkg/controller/plan/adapter/base",
-        "//pkg/controller/plan/adapter/ova",
         "//pkg/controller/plan/context",
         "//pkg/controller/plan/handler",
         "//pkg/controller/plan/scheduler",

pkg/controller/plan/kubevirt.go

@@ -34,7 +34,6 @@ import (
 	"github.com/konveyor/forklift-controller/pkg/apis/forklift/v1beta1/plan"
 	"github.com/konveyor/forklift-controller/pkg/apis/forklift/v1beta1/ref"
 	"github.com/konveyor/forklift-controller/pkg/controller/plan/adapter"
-	ovfparser "github.com/konveyor/forklift-controller/pkg/controller/plan/adapter/ova"
 	plancontext "github.com/konveyor/forklift-controller/pkg/controller/plan/context"
 	libcnd "github.com/konveyor/forklift-controller/pkg/lib/condition"
 	liberr "github.com/konveyor/forklift-controller/pkg/lib/error"
@@ -860,7 +859,7 @@ func (r *KubeVirt) UpdateVmByConvertedConfig(vm *plan.VMStatus, pod *core.Pod, s
 		return
 	}
 
-	url := fmt.Sprintf("http://%s:8080/ovf", pod.Status.PodIP)
+	url := fmt.Sprintf("http://%s:8080/firmware", pod.Status.PodIP)
 
 	/* Due to the virt-v2v operation, the ovf file is only available after the command's execution,
 	meaning it appears following the copydisks phase.
@@ -878,17 +877,15 @@ func (r *KubeVirt) UpdateVmByConvertedConfig(vm *plan.VMStatus, pod *core.Pod, s
 	}
 	defer resp.Body.Close()
 
-	vmConfigXML, err := io.ReadAll(resp.Body)
+	vmFirmware, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return
 	}
 
-	firmware, err := ovfparser.GetFirmwareFromConfig(string(vmConfigXML))
-	if err != nil {
-		return
-	}
-
-	vm.Firmware = firmware
+	vm.Firmware = string(vmFirmware)
+	r.Log.Info("Setting the vm fimware",
+		"vm",
+		vm.String())
 
 	shutdownURL := fmt.Sprintf("http://%s:8080/shutdown", pod.Status.PodIP)
 	resp, err = http.Post(shutdownURL, "application/json", nil)

virt-v2v/cold/entrypoint.go

@@ -1,13 +1,15 @@
 package main
 
 import (
+	"bufio"
 	"context"
 	"fmt"
 	"io"
 	"net/http"
 	"os"
 	"os/exec"
 	"path/filepath"
+	"regexp"
 	"strconv"
 )
 
@@ -20,6 +22,9 @@ const (
 	VDDK    = "/opt/vmware-vix-disklib-distrib"
 )
 
+var UEFI_RE = regexp.MustCompile(`(?i)UEFI\s+bootloader?`)
+var firmware = "bios"
+
 var (
 	xmlFilePath string
 	server      *http.Server
@@ -97,7 +102,7 @@ func main() {
 		virtV2vArgs = append(virtV2vArgs, "--", os.Getenv("V2V_vmName"))
 	}
 
-	if err := executeVirtV2v(virtV2vArgs); err != nil {
+	if err := executeVirtV2v(virtV2vArgs, source); err != nil {
 		fmt.Println("Error executing virt-v2v command ", err)
 		os.Exit(1)
 	}
@@ -111,6 +116,7 @@ func main() {
 		}
 
 		http.HandleFunc("/ovf", ovfHandler)
+		http.HandleFunc("/firmware", firmwareHandler)
 		http.HandleFunc("/shutdown", shutdownHandler)
 		server = &http.Server{Addr: ":8080"}
 
@@ -169,16 +175,26 @@ func LinkDisks(diskKind string, num int) (err error) {
 	return
 }
 
-func executeVirtV2v(args []string) (err error) {
+func executeVirtV2v(args []string, source string) (err error) {
 	virtV2vCmd := exec.Command(args[0], args[1:]...)
 	virtV2vStdoutPipe, err := virtV2vCmd.StdoutPipe()
 	if err != nil {
 		fmt.Printf("Error setting up stdout pipe: %v\n", err)
 		return
 	}
+	teeOut := io.TeeReader(virtV2vStdoutPipe, os.Stdout)
 
-	tee := io.TeeReader(virtV2vStdoutPipe, os.Stdout)
-	virtV2vCmd.Stderr = os.Stderr
+	var teeErr io.Reader
+	if source == OVA {
+		virtV2vStderrPipe, err := virtV2vCmd.StderrPipe()
+		if err != nil {
+			fmt.Printf("Error setting up stdout pipe: %v\n", err)
+			return err
+		}
+		teeErr = io.TeeReader(virtV2vStderrPipe, os.Stderr)
+	} else {
+		virtV2vCmd.Stderr = os.Stderr
+	}
 
 	fmt.Println("exec ", virtV2vCmd)
 	if err = virtV2vCmd.Start(); err != nil {
@@ -187,7 +203,7 @@ func executeVirtV2v(args []string) (err error) {
 	}
 
 	virtV2vMonitorCmd := exec.Command("/usr/local/bin/virt-v2v-monitor")
-	virtV2vMonitorCmd.Stdin = tee
+	virtV2vMonitorCmd.Stdin = teeOut
 	virtV2vMonitorCmd.Stdout = os.Stdout
 	virtV2vMonitorCmd.Stderr = os.Stderr
 
@@ -196,6 +212,26 @@ func executeVirtV2v(args []string) (err error) {
 		return
 	}
 
+	if source == OVA {
+		scanner := bufio.NewScanner(teeErr)
+		const maxCapacity = 1024 * 1024
+		buf := make([]byte, 0, 64*1024)
+		scanner.Buffer(buf, maxCapacity)
+
+		for scanner.Scan() {
+			line := scanner.Bytes()
+			if match := UEFI_RE.FindSubmatch(line); match != nil {
+				fmt.Println("UEFI firmware detected")
+				firmware = "uefi"
+			}
+		}
+
+		if err = scanner.Err(); err != nil {
+			fmt.Println("Output query failed:", err)
+			return err
+		}
+	}
+
 	if err = virtV2vCmd.Wait(); err != nil {
 		fmt.Printf("Error waiting for virt-v2v to finish: %v\n", err)
 		return
@@ -236,7 +272,15 @@ func ovfHandler(w http.ResponseWriter, r *http.Request) {
 		fmt.Printf("Error writing response: %v\n", err)
 		http.Error(w, "Error writing response", http.StatusInternalServerError)
 	}
+}
 
+func firmwareHandler(w http.ResponseWriter, r *http.Request) {
+	w.Header().Set("Content-Type", "text/plain")
+	if _, err := w.Write([]byte(firmware)); err != nil {
+		fmt.Printf("Error writing response: %v\n", err)
+		http.Error(w, "Error writing response", http.StatusInternalServerError)
+		return
+	}
 }
 
 func shutdownHandler(w http.ResponseWriter, r *http.Request) {