DAOS-11283 test: Add bring_network_interface[down_up]

Skip-tests: True

Signed-off-by: Padmanabhan <ravindran.padmanabhan@intel.com>

src/tests/ftest/deployment/network_failure.py

@@ -163,6 +163,38 @@ def wait_for_ranks_to_join(self):
  self.log.info("One or more servers crashed. Check system query again.")
 
  return False
+
+ def bring_network_interface_up(self, test_env):
+ """Bring the network interface up.
+ """
+ errors = []
+ if test_env == "ci":
+ # wolf
+ update_network_interface(
+ interface=self.interface, state="up", hosts=self.network_down_host,
+ errors=errors)
+ else:
+ # Aurora. Manually run the command.
+ command = f"sudo ip link set {self.interface} up"
+ self.log.debug("## Call %s on %s", command, self.network_down_host)
+ time.sleep(30)
+ return errors
+
+ def bring_network_interface_down(self, test_env):
+ """Bring the network interface down.
+ """
+ errors = []
+ if test_env == "ci":
+ # wolf
+ update_network_interface(
+ interface=self.interface, state="down", hosts=self.network_down_host,
+ errors=errors)
+ else:
+ # Aurora. Manually run the command.
+ command = f"sudo ip link set {self.interface} up"
+ self.log.debug("## Call %s on %s", command, self.network_down_host)
+ time.sleep(30)
+ return errors
 
  def verify_network_failure(self, ior_namespace, container_namespace, with_io=False):
  """Verify network failure can be recovered with some user interventions with
@@ -207,7 +239,7 @@ def verify_network_failure(self, ior_namespace, container_namespace, with_io=Fal
 
  # For non-IO testing, bring the network interface down now.
  if with_io is False:
- self.bring_network_interface_down()
+ errors = self.bring_network_interface_down(self.test_env)
 
  # 3. Run IOR with given object class. It should fail.
  threads = []
@@ -230,24 +262,15 @@ def verify_network_failure(self, ior_namespace, container_namespace, with_io=Fal
 
  # For I/O testing, bring the network interface after starting IOR.
  if with_io is True:
- self.bring_network_interface_down()
+ errors = self.bring_network_interface_down(self.test_env)
 
  # Wait to finish the threads
  for thrd in threads:
  thrd.join()
  self.log.info(ior_results)
 
  # 4. Bring up the network interface.
- if self.test_env == "ci":
- # wolf
- update_network_interface(
- interface=self.interface, state="up", hosts=self.network_down_host,
- errors=errors)
- else:
- # Aurora. Manually run the command.
- command = f"sudo ip link set {self.interface} up"
- self.log.debug("## Call %s on %s", command, self.network_down_host)
- time.sleep(20)
+ errors = self.bring_network_interface_up(self.test_env)
 
  # 5. Restart DAOS with dmg.
  self.log.info("Wait for 5 sec for the network to come back up")