Merge pull request #8067 from hashicorp/fix_8043

Fix panic in proxmox builder

builder/proxmox/builder.go

@@ -90,8 +90,13 @@ func (b *Builder) Run(ctx context.Context, ui packer.Ui, hook packer.Hook) (pack
 		return nil, rawErr.(error)
 	}
 
+	tplID, ok := state.Get("template_id").(int)
+	if !ok {
+		return nil, fmt.Errorf("template ID could not be determined")
+	}
+
 	artifact := &Artifact{
-		templateID:    state.Get("template_id").(int),
+		templateID:    tplID,
 		proxmoxClient: b.proxmoxClient,
 	}
 

builder/proxmox/step_convert_to_template.go

@@ -3,6 +3,7 @@ package proxmox
 import (
 	"context"
 	"fmt"
+	"log"
 
 	"github.com/Telmate/proxmox-api-go/proxmox"
 	"github.com/hashicorp/packer/helper/multistep"
@@ -44,7 +45,7 @@ func (s *stepConvertToTemplate) Run(ctx context.Context, state multistep.StateBa
 		ui.Error(err.Error())
 		return multistep.ActionHalt
 	}
-
+	log.Printf("template_id: %d", vmRef.VmId())
 	state.Put("template_id", vmRef.VmId())
 
 	return multistep.ActionContinue