[CI]: Added option to start vm undemonized

Signed-off-by: AlexandruCihodaru <[email protected]>

Author: AlexandruCihodaru

tests/framework/builder.py

@@ -89,11 +89,11 @@ def build(self,
               fc_binary=None,
               jailer_binary=None,
               use_ramdisk=False,
-              smt=None):
+              smt=None, daemonize=True):
         """Build a fresh microvm."""
         vm = init_microvm(self.root_path, self.bin_cloner_path,
                           fc_binary, jailer_binary)
-
+        vm.jailer.daemonize = daemonize
         # Start firecracker.
         vm.spawn(use_ramdisk=use_ramdisk)
 
@@ -173,10 +173,12 @@ def build_from_snapshot(self,
                             # Enable incremental snapshot capability.
                             diff_snapshots=False,
                             use_ramdisk=False,
-                            fc_binary=None, jailer_binary=None):
+                            fc_binary=None, jailer_binary=None,
+                            daemonize=True):
         """Build a microvm from a snapshot artifact."""
         vm = init_microvm(self.root_path, self.bin_cloner_path,
                           fc_binary, jailer_binary,)
+        vm.jailer.daemonize = daemonize
         vm.spawn(log_level='Error', use_ramdisk=use_ramdisk)
         vm.api_session.untime()
 
@@ -227,7 +229,8 @@ def build_from_snapshot(self,
     def build_from_artifacts(self, config,
                              kernel, disks, cpu_template,
                              net_ifaces=None, diff_snapshots=False,
-                             fc_binary=None, jailer_binary=None):
+                             fc_binary=None, jailer_binary=None,
+                             daemonize=True):
         """Spawns a new Firecracker and applies specified config."""
         artifacts = ArtifactCollection(_test_images_s3_bucket())
         # Pick the first artifact in the set.
@@ -253,10 +256,11 @@ def build_from_artifacts(self, config,
                           diff_snapshots=diff_snapshots,
                           cpu_template=cpu_template,
                           fc_binary=fc_binary,
-                          jailer_binary=jailer_binary)
+                          jailer_binary=jailer_binary,
+                          daemonize=daemonize)
 
     def build_vm_nano(self, fc_binary=None, jailer_binary=None,
-                      net_ifaces=None, diff_snapshots=False):
+                      net_ifaces=None, diff_snapshots=False, daemonize=True):
         """Create a clean VM in an initial state."""
         return self.build_from_artifacts("2vcpu_256mb",
                                          "vmlinux-4.14",
@@ -265,7 +269,8 @@ def build_vm_nano(self, fc_binary=None, jailer_binary=None,
                                          net_ifaces=net_ifaces,
                                          diff_snapshots=diff_snapshots,
                                          fc_binary=fc_binary,
-                                         jailer_binary=jailer_binary)
+                                         jailer_binary=jailer_binary,
+                                         daemonize=daemonize)
 
     def build_vm_micro(self, fc_binary=None, jailer_binary=None,
                        net_ifaces=None, diff_snapshots=False):