[Autotest][PATCH 4/7] virt,kvm: Adds possibility interrupt migration function.

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It starts migration and after start of migration it returns
control to calling function.

Signed-off-by: Jiří Župka <jzupka@xxxxxxxxxx>
---
 client/virt/kvm_vm.py |   16 +++++++++++-----
 1 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/client/virt/kvm_vm.py b/client/virt/kvm_vm.py
index 19d016f..62d9ce9 100644
--- a/client/virt/kvm_vm.py
+++ b/client/virt/kvm_vm.py
@@ -1784,7 +1784,8 @@ class VM(virt_vm.BaseVM):
     def migrate(self, timeout=MIGRATE_TIMEOUT, protocol="tcp",
                 cancel_delay=None, offline=False, stable_check=False,
                 clean=True, save_path="/tmp", dest_host="localhost",
-                remote_port=None, fd_src=None, fd_dst=None):
+                remote_port=None, not_wait_for_migration=False,
+                fd_src=None, fd_dst=None,):
         """
         Migrate the VM.
 
@@ -1805,6 +1806,8 @@ class VM(virt_vm.BaseVM):
         @save_path: The path for state files.
         @param dest_host: Destination host (defaults to 'localhost').
         @param remote_port: Port to use for remote migration.
+        @param not_wait_for_migration: If True migration start but not wait till
+                the end of migration.
         @param fd_s: File descriptor for migration to which source
                      VM write data. Descriptor is closed during the migration.
         @param fd_d: File descriptor for migration from which destination
@@ -1818,7 +1821,7 @@ class VM(virt_vm.BaseVM):
         def mig_finished():
             o = self.monitor.info("migrate")
             if isinstance(o, str):
-                return "status: active" not in o
+                return not "status: active" in o
             else:
                 return o.get("status") != "active"
 
@@ -1894,6 +1897,8 @@ class VM(virt_vm.BaseVM):
 
             logging.info("Migrating to %s", uri)
             self.monitor.migrate(uri)
+            if not_wait_for_migration:
+                return clone
 
             if cancel_delay:
                 time.sleep(cancel_delay)
@@ -1955,9 +1960,10 @@ class VM(virt_vm.BaseVM):
         finally:
             # If we're doing remote migration and it's completed successfully,
             # self points to a dead VM object
-            if self.is_alive():
-                self.monitor.cmd("cont")
-            clone.destroy(gracefully=False)
+            if not not_wait_for_migration:
+                if self.is_alive():
+                    self.monitor.cmd("cont")
+                clone.destroy(gracefully=False)
 
 
     @error.context_aware
-- 
1.7.7.6

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